Effects of preoperative magnetic resonance image on survival rates and surgical planning in breast cancer conservative surgery: randomized controlled trial (BREAST-MRI trial).

BACKGROUND: Breast magnetic resonance imaging (MRI) has high sensitivity in detecting invasive neoplasms. Controversy remains about its impact on the preoperative staging of breast cancer surgery. This study evaluated survival and surgical outcomes of preoperative MRI in conservative breast cancer surgery. METHODS: A phase III, randomized, open-label, single-center trial including female breast cancer participants, stage 0-III disease, and eligible for breast-conserving surgery. We compared the role of including MRI in preoperative evaluation versus radiologic exam routine with mammography and ultrasound in breast cancer conservative candidates. The primary outcome was local relapse-free survival (LRFS), and secondary outcomes were overall survival (OS), mastectomy rate, and reoperation rate. RESULTS: 524 were randomized to preoperative MRI group (n = 257) or control group (n = 267). The survival analysis showed a 5.9-years LRFS of 99.2% in MRI group versus 98.9% in control group (HR = 0.72; 95% CI 0.12-4.28; p = 0.7) and an OS of 95.3% in the MRI group versus 96.3% in the control group (HR = 1.37 95% CI 0.59-3.19; p = 0.8). Surgical management changed in 21 ipsilateral breasts in the MRI group; 21 (8.3%) had mastectomies versus one in the control group. No difference was found in reoperation rates, 22 (8.7%) in the MRI group versus 23 (8.7%) in the control group (RR = 1.002; 95% CI 0.57-1.75; p = 0.85). CONCLUSION: Preoperative MRI increased the mastectomy rates by 8%. The use of preoperative MRI did not influence local relapse-free survival, overall survival, or reoperation rates.

Psychometric properties of the sit-to-stand test for patients with pulmonary hypertension: A systematic review protocol.

BACKGROUND: Pulmonary hypertension (PH) is a complex syndrome characterized by increased pulmonary arterial pressure and classified into five groups, according to dyspnea on exertion and systemic muscle dysfunction. These symptoms can be identified using the sit-to-stand test (STS), which indirectly evaluates exercise tolerance and lower limb muscle strength. Previous studies used the STS in PH; however, psychometric properties to understand and validate this test were not described for patients with PH. OBJECTIVE: To evaluate the psychometric properties (validity, reliability, and responsiveness) of different STS protocols in patients with PH. METHODS AND ANALYSES: This is a systematic review protocol that will include studies using STS in patients with PH. Searches will be conducted on PubMed/MEDLINE, EMBASE, SciELO, Cochrane Central Register of Controlled Trials (CENTRAL), and Web of Science databases following PICOT mnemonic strategy and the Preferred Reporting Items for Systematic Reviews and Meta-Analyses Protocols (PRISMA-P). Rayyan software will be used for study selection. The Risk of bias will be assessed using the Consensus-Based Standards for the Selection of Health Measurement Instruments (COSMIN) tool, while the quality of evidence will be assessed using the modified Grading of Recommendations, Assessment, Development, and Evaluation (GRADE). Two researchers will independently conduct the study, and a third researcher will be consulted in case of disagreement. The psychometric properties will be evaluated according to the COSMIN. This protocol was registered in the International Prospective Register of Systematic Reviews (PROSPERO, no. CRD42021244271). CONCLUSION: This systematic review will attempt to identify and show the available evidence on STS for different groups of PH and report validity, reliability, and responsiveness of different protocols.

Factors associated with edentulism in individuals with chronic kidney disease undergoing hemodialysis: a cross-sectional study / Fatores associados ao edentulismo em indivíduos com doença renal crônica em hemodiálise: um estudo transversa

Introduction: Chronic kidney disease (CKD) is a progres-sive condition characterized by structural or functional abnormalities of the kidney. CKD may be associated with several oral alterations, such as higher prevalence rate of dental caries, periodontal disease, xerostomia, candidiasis and burning mouth. The aim of the study was to identify risk factors associated with edentulism in adults with CKD undergoing hemodialysis. Methods: A cross-sec-tional study was conducted with 650 individuals aged 18 to 90 years undergoing hemodialysis in southeastern Brazil. Oral clinical examination and administration of a questionnaire addressing demographic characteristics and dental history were performed. The study received approval from the Human Research Ethics Committee of UFMG. Findings: A total of 183 participants were eden-tulous (28.2%). Individuals with less schooling (OR = 3.99; 95% CI: 2.34-6.79), those who had not been to a dentist in the previous six months (OR = 2.49; 95% CI: 1.52-4.08), those who rated their own smile as excellent or good (OR = 2.00; 95% CI: 1.35-2.97) and those with some mucosal alteration (OR = 4.17; 95% CI: 2.83-6.13) had a greater chance of belonging to the edentulous group. Discussion: The present findings can contribute to the establishment of public health policies aimed at guiding dental care programs for individuals with chronic kidney disease that take into account the specific needs of this population. Conclusion: Edentulism was associated with low schooling, a lack of dental care in the previous six months, a positive self-perception of one's smile and alterations in the oral mucosa.

Introdução: A doença renal crônica (DRC) é uma condição caracterizada por anormalidades estruturais ou funcionais do rim. A DRC pode estar associada a diversas alterações bucais, como maior prevalência de cárie dentária, doença periodontal, xerostomia, candidíase e queimação bucal. O objetivo deste estudo foi identificar os fatores de risco associados ao edentulismo em indivíduos com DRC em tratamento com hemodiálise. Materiais e Métodos: Foi realizado um estudo transversal com 650 indivíduos de 18 a 90 anos em hemodiálise no sudeste do Brasil. Foi realizado exame clínico oral e aplicação de questionário abordando características demográficas e histórico odontológico. O estudo foi aprovado pelo Comitê de Ética em Pesquisa em Seres Humanos da UFMG. Resultados: Um total de 183 participantes eram edêntulos (28,2%). Indivíduos com menor escolaridade (OR = 3,99; IC 95%: 2,34-6,79), aqueles que não foram ao dentista nos últimos seis meses (OR = 2,49; IC 95%: 1,52-4,08), aqueles que avaliaram o seu próprio sorriso como excelente ou bom (OR = 2,00; IC 95%: 1,35-2,97) e aqueles com alguma alteração de mucosa (OR = 4,17; IC 95%: 2,83-6,13) tiveram maior chance de pertencer ao grupo de edêntulos. Discussão: Os presentes achados podem contribuir para o estabelecimento de políticas públicas de saúde voltadas a nortear programas de atenção odontológica à pessoa com doença renal crônica que atendam às necessidades específicas dessa população. Conclusão: O edentulismo esteve associado à baixa escolaridade, falta de atendimento odontológico nos últimos seis meses, sorriso autoavaliado positivo e alterações mucosas.

Accuracy of frozen section in intraoperative margin assessment for breast-conserving surgery: A systematic review and meta-analysis.

BACKGROUND AND OBJECTIVES: It is well established that tumor-free margin is an important factor for reducing local recurrence and reoperation rates. This systematic review with meta-analysis of frozen section intraoperative margin assessment aims to evaluate the accuracy, and reoperation and survival rates, and to establish its importance in breast-conserving surgery. METHODS: A thorough review was conducted in all online publication-databases for the related literature up to March 2020. MeSH terms used: "Breast Cancer", "Segmental Mastectomy" and "Frozen Section". We included the studies that evaluated accuracy of frozen section, reoperation and survival rates. To ensure quality of the included articles, the QUADAS-2 tool (adapted) was employed. The assessment of publication bias by graphical and statistical methods was performed using the funnel plot and the Egger's test. The review protocol was registered in PROSPERO (CRD42019125682). RESULTS: Nineteen studies were deemed suitable, with a total of 6,769 cases. The reoperation rate on average was 5.9%. Sensitivity was 0.81, with a Confidence Interval of 0.79-0.83, p = 0.0000, I2 = 95.1%, and specificity was 0.97, with a Confidence Interval of 0.97-0.98, p = 0.0000, I-2 = 90.8%, for 17 studies and 5,615 cases. Accuracy was 0.98. Twelve studies described local recurrence and the highest cumulative recurrence rate in 3 years was 7.5%. The quality of the included studies based on the QUADAS-2 tool showed a low risk of bias. There is no publication bias (p = 0.32) and the funnel plot showed symmetry. CONCLUSION: Frozen section is a reliable procedure with high accuracy, sensitivity and specificity in intraoperative margin assessment of breast-conserving surgery. Therefore, this modality of margin assessment could be useful in reducing reoperation rates.

Integrality of care for hemodialysis patient in Brazil: an analysis of access to dental care.

The present study aimed to analyze factors associated with access of dental care services by Brazilian hemodialysis patients. A cross-sectional study was carried out with 467 hemodialysis patients aging from 19 to 90 years in two renal therapy centers located in the cities of Contagem and Belo Horizonte, Southeastern Brazil. Data were collected through an oral clinical examination of the patients and the application of a structured questionnaire. The dependent variable was the access to dental care, measured by the question "Have you consulted with a dentist in last six months?". The mean age of participants was 49.9 years. The average number of teeth present in the mouth was 19.3. An average of 1.5 teeth with dental caries cavities lesion was diagnosed among hemodialysis patients. One-third of the sample had gone to the dentist in the last six months (27.8%). The access to dental care was associated with formal education (OR = 1.5 [1.1-2.4]), professional advising to consult with a dentist (OR = 2.1 [1.2-3.8]) and prevalence of dental caries (OR = 2.1 [1.3-3.2]). Hemodialysis patients with eight or more years of formal education, who received professional advising to consult with a dentist and without dental caries cavities had higher chances obtaining access to dental care.

Integrality of care for hemodialysis patient in Brazil: an analysis of access to dental care / Integralidade do cuidado para pacientes brasileiros em hemodiálise: análise do acesso odontológico

Abstract The present study aimed to analyze factors associated with access of dental care services by Brazilian hemodialysis patients. A cross-sectional study was carried out with 467 hemodialysis patients aging from 19 to 90 years in two renal therapy centers located in the cities of Contagem and Belo Horizonte, Southeastern Brazil. Data were collected through an oral clinical examination of the patients and the application of a structured questionnaire. The dependent variable was the access to dental care, measured by the question "Have you consulted with a dentist in last six months?". The mean age of participants was 49.9 years. The average number of teeth present in the mouth was 19.3. An average of 1.5 teeth with dental caries cavities lesion was diagnosed among hemodialysis patients. One-third of the sample had gone to the dentist in the last six months (27.8%). The access to dental care was associated with formal education (OR = 1.5 [1.1-2.4]), professional advising to consult with a dentist (OR = 2.1 [1.2-3.8]) and prevalence of dental caries (OR = 2.1 [1.3-3.2]). Hemodialysis patients with eight or more years of formal education, who received professional advising to consult with a dentist and without dental caries cavities had higher chances obtaining access to dental care.

Resumo Este estudo objetivou analisar os fatores associados ao uso de serviços odontológicos por pacientes em hemodiálise. Foi realizado um estudo transversal com 467 pacientes em hemodiálise, na faixa etária de 19 a 90 anos, de Contagem e Belo Horizonte, região Sudeste do Brasil. Os dados foram coletados por meio de exame clínico bucal dos participantes e da aplicação de um questionário estruturado. A variável dependente foi o acesso odontológico, mensurado pela pergunta "Você foi ao dentista nos últimos seis meses?". A média de idade dos participantes foi de 49,9 anos. A média de dentes presentes na boca foi de 19,3. Uma média de 1,5 dentes com lesão de cárie cavitada foi diagnosticada entre os pacientes em hemodiálise. Um terço da amostra afirmou ter ido ao dentista nos últimos seis meses (27,8%). O acesso odontológico dos pacientes em hemodiálise foi associado à escolaridade (OR = 1,5 [1,1-2,4]), orientação profissional para ir ao dentista (OR = 2,1 [1,2-3,8]) e prevalência de cárie dentária (OR = 2,1 [1,3-3,2]). Os pacientes em hemodiálise com oito anos ou mais de escolaridade, que receberam orientação profissional para ir ao dentista e sem cárie dentária apresentaram maior chance de terem acesso odontológico.

Cardiac structural and functional findings in Persian cats with autosomal dominant polycystic kidney disease / Achados estruturais e funcionais cardíacos em gatos persas com doença renal policística autossômica dominante

ABSTRACT: Autosomal dominant polycystic kidney disease (ADPKD) has been related to left ventricular structural and functional abnormalities in human patients. The present study aimed to evaluate the cardiac structural and functional findings in Persian cats with ADPKD. Client-owned ADPKD (n=12) and non-ADPKD (n=12) Persian cats were enrolled in this study. The animals underwent echo- and electrocardiographic (ECG) examinations, and non-invasive measurements of systolic blood pressure (SBP) were obtained. Both groups were similar regarding hematological and biochemical parameters, including white blood cell count and levels of blood urea nitrogen, creatinine, total protein and thyroxine. There were no differences related to ECG parameters between ADPKD and non-ADPKD cats. Left ventricular hypertrophy (LVH) was demonstrated in 6/12 (50%) normotensive ADPKD cats with preserved renal function. There were no differences between animal groups regarding the echocardiographic parameters, including left ventricular ejection fraction and shortening fraction; however, basal interventricular septal thickness at end-diastole near the left ventricular outflow tract and aortic artery flow velocity showed slightly elevated values in ADPKD-cats. Our study revealed that Persian cats with ADPKD do not reproduce the functional and structural cardiac phenotype reported in human patients; however, large-scale cohort studies are necessary to distinguish the possibilities of a true linkage between ventricular myocardial hypertrophy and ADPKD in this breed.

RESUMO: A doença renal policística autossômica dominante (DRPAD) tem sido relacionada a anormalidades estruturais e funcionais de ventrículo esquerdo em pacientes humanos. O objetivo do presente estudo foi avaliar os achados estruturais e funcionais cardíacos em gatos persas com DRPAD. Gatos persas pertencentes à clientes com DRPAD (n=12) e sem DRPAD (n=12) foram envolvidos neste trabalho. Os animais foram submetidos aos exames de eco e eletrocardiografia (ECG) e foram obtidas medições não-invasivas da pressão arterial sistólica (PAS). Ambos os grupos apresentaram valores semelhantes em relação aos parâmetros hematológicos e bioquímicos, incluindo contagem de glóbulos brancos e níveis séricos de ureia, creatinina, proteína total e tiroxina. Não houve diferença em relação aos parâmetros do ECG entre os gatos com ou sem DRPAD. A hipertrofia ventricular esquerda foi demonstrada em 6/12 (50%) dos gatos normotensos com DRPAD e função renal preservada. Não houve diferenças entre os grupos em relação aos parâmetros ecocardiográficos, incluindo fração de ejeção e fração de encurtamento do ventrículo esquerdo, entretanto a espessura septal interventricular basal na diástole na via de saída do ventrículo esquerdo e a velocidade do fluxo da artéria aórtica mostraram valores ligeiramente elevados em gatos com DRPAD. Nosso estudo revelou que gatos persas com DRPAD não reproduzem o fenótipo cardíaco funcional e estrutural encontrado em pacientes humanos. No entanto, estudos de coorte em larga escala são necessários para distinguir as possibilidades de uma verdadeira ligação entre a hipertrofia ventricular do miocárdio e a DRPAD nesta raça.

Associação do perfil microbiológico com os graus de infecção e os estágios de risco da Classificação Wound, Ischemia, and foot Infection (WIfI), amputação e óbito em pacientes internados devido à úlcera infectada do pé diabético / Association of the microbiological profile with the degrees of infection and risk stages of the Wound, Ischemia, and foot Infection (WIfI) Classification, amputation and death in hospitalized patients due to infected diabetic foot ulcer

Introdução: infecção, isquemia e úlcera são os três fatores que levam à amputação do membro inferior. Entretanto, mais da metade das amputações em pacientes com diabetes mellitus é atribuída à infecção. A Classificação Wound, Ischemia, and foot Infection (WIfI) estratifica esses três fatores em graus de gravidade para permitir orientar prioridades terapêuticas nesses pacientes. Objetivo: avaliar a associação entre microrganismos isolados com os graus de infecção e os estágios de risco de amputação da Classificação WIfI, amputação maior e óbito em pacientes com diabetes mellitus hospitalizados devido à úlcera infectada no pé. Método: estudo coorte prospectivo em pacientes com diabetes mellitus com úlcera infectada no pé. Os pacientes foram estratificados pela Classificação WIfI para úlcera, isquemia e infecção em quatro graus: grau 0 (ausência), grau 1 (leve), grau 2 (moderado) e grau 3 (grave) e para estágios de risco de amputação em muito baixo (estágio 1), baixo (estágio 2), moderado (estágio 3) e alto (estágio 4). Para a análise estatística foi realizada regressão logística univariada com nível de significância de 5%. Resultados: foram estudados 98 participantes, totalizando 100 úlceras infectadas localizadas no pé, no período entre fevereiro de 2017 a março de 2019. A média de idade foi 60,8 anos (desvio-padrão - DP 11,3), sendo 68,4% homens. Observou-se que 35,0%, 60,0% e 5,0% dos membros apresentaram infecção graus 1, 2 e 3, respectivamente. Os estágios de risco de amputação foram 15,0% muito baixo, 18,0% baixo, 33,0% moderado e 34,0% alto. A espécie microbiana mais isolada foi Staphylococcus aureus (23,3%). Proteus mirabilis (Odds ratio - OR 0,1; intervalo de confiança - IC 95% 0,1-0,6; p=0,013), Klebsiella pneumoniae (OR 0,1; IC 95% 0,1-0,9; p=0,039) e Enterobacter aerogenes (OR 0,1; IC 95% 0,1-0,9; p=0,039) associaram-se com infecção grau 3 (em comparação ao grau 2). Bactérias resistentes à carbapenêmicos associaram-se com infecção grau 1 (em comparação ao grau 2) (OR 3,6; IC 95% 1,1-11,4; p=0,028) e com infecção grau 3 (em comparação ao grau 2) (OR 0,1; IC 95% 0,1-0,9; p=0,036). Com relação aos estágios de risco de amputação, Enterococcus faecalis associou-se com risco muito baixo [em comparação ao risco moderado (OR 0,1; IC 95% 0,1-0,5; p=0,004) e em comparação ao risco alto (OR 0,1; IC 95% 0,1-0,6; p=0,006)] e também com risco baixo (em comparação ao risco moderado) (OR 0,2; IC 95% 0,1-0,9; p=0,049). Bactérias resistentes à cefalosporinas de terceira e quarta geração associaram-se com risco muito baixo (em comparação ao risco moderado) (OR 0,2; IC 95% 0,1-0,9; p=0,049). Enterobacter aerogenes associou-se ao óbito intra-hospitalar (OR 65; IC 95% 4,0-104,6; p=0,003). Nenhum microrganismo associou-se a amputação. Conclusão: Staphylococcus aureus foi a bactéria mais prevalente, porém não se associou aos graus de infecção nem aos estágios de risco. Houve associação de Proteus mirabilis, Klebsiella pneumoniae e Enterobacter aerogenes com infecções graves; e de bactérias resistentes à carbapenêmicos com infecções leves e graves. Enterococcus faecalis e bactérias resistentes à cefalosporinas de terceira e quarta geração associaram-se com estágios de risco mais baixos. Enterobacter aerogenes associou-se ao óbito. Não se observou associação de microrganismos com amputação.

Introduction: infection, ischemia and wound are the three factors associated with lower limb major amputation. However, more than half of amputations in patients with diabetes mellitus are attributed to the infection. The Wound, Ischemia, and Foot Infection (WIfI) Classification System stratifies the three factors in degrees of severity to allow guiding therapeutic priorities in these patients. Objective: to evaluate the association between advanced microorganisms with the degrees of infection and the risk stages of amputation in the WIfI Classification, major amputation and death in hospitalized patients with diabetes mellitus due to infected foot ulcer. Method: prospective cohort study in patients with diabetes mellitus with an infected foot ulcer. Patients were stratified by the WIfI Classification for wound, ischemia and infection in four degrees: grade 0 (none), grade 1 (mild), grade 2 (moderate) and grade 3 (severe) and for very low risk of amputation (stage 1), low (stage 2), moderate (stage 3) and high (stage 4). For statistical analysis, univariate logistic regression was performed with a 5% significance level. Results: 98 participants were studied, totaling 100 infected ulcers located on the foot, between February 2017 and March 2019. The average age was 60.8 years (standard deviation - SD 11.3), with 68.4% being men. It was observed that 35.0%, 60.0% and 5.0% of the limbs had infection grades 1, 2 and 3, respectively. The stages of amputation risk were 15.0% very low, 18.0% low, 33.0% moderate and 34.0% high. The most isolated microbial species was Staphylococcus aureus (23.3%). Proteus mirabilis (Odds ratio - OR 0.1; confidence interval - 95% CI 0.1-0.6; p=0.013), Klebsiella pneumoniae (OR 0.1; 95% CI 0.1-0.9; p=0.039) and Enterobacter aerogenes (OR 0.1; 95% CI 0.1-0.9; p=0.039) were associated with grade 3 infection (compared to grade 2). Carbapenem-resistant bacteria were associated with grade 1 infection (compared to grade 2) (OR 3.6; 95% CI 1.1-11.4; p=0.028) and grade 3 infection (compared to grade 2) (OR 0.1; 95% CI 0.1-0.9; p=0.036). Regarding the risk stages of amputation, Enterococcus faecalis was associated with very low risk [(compared to a moderate risk) (OR 0.1; 95% CI 0.1-0.5; p=0.004) and compared to high risk (OR 0.1; 95% CI 0.1-0.6; p=0.006)] and also with low risk (compared to moderate risk) (OR 0.2; 95% CI 0.1-0.9; p=0.049). Bacteria resistant to third and fourth generation cephalosporins were associated with a very low risk (compared to a moderate risk) (OR 0.2; 95% CI 0.1-0.9; p=0.049). Enterobacter aerogenes was associated with in-hospital death (OR 65; 95% CI 4.0-104.6; p=0.003). No microorganism was associated with amputation. Conclusion: Staphylococcus aureus was the most prevalent bacterium, however, it was not associated with degrees of infection or risk stages. Proteus mirabilis, Klebsiella pneumoniae and Enterobacter aerogenes were associated with severe infections; and carbapenem-resistant bacteria with mild and severe infections. Enterococcus faecalis and bacteria resistant to third and fourth generation cephalosporins were associated with lower risk stages. Enterobacter aerogenes was associated with death. There was no association of microorganism with amputation.

Age-based ultrasonographic criteria for diagnosis of autosomal dominant polycystic kidney disease in Persian cats.

OBJECTIVES: The aim of this study was to establish ultrasound criteria for the diagnosis of autosomal dominant polycystic kidney disease (ADPKD) in Persian cats. METHODS: Eighty-two Persian cats were assessed using renal ultrasound and genotyped for the C→A transversion in exon 29 of PKD1. The animals were also submitted to hematological characterization, serum biochemistry analyses and urinalysis. RESULTS: Age, sex and neutering status did not differ between ADPKD (n = 12) and non-ADPKD (n = 70) cats. After integrated molecular genetics/ultrasonographic analysis, the presence of at least one renal cyst was sufficient to establish a diagnosis of ADPKD in animals up to 15 months of age. Two or more cysts were required for diagnosis in cats aged 16-32 months, and at least three cysts warranted diagnosis of ADPKD in animals aged 33-49 months. Finally, four or more cysts led to diagnosis in cats aged 50-66 months. Although cats with ADPKD exhibited higher serum calcium levels than non-affected cats, hematological, urinalysis and other biochemical parameters did not differ between the two groups. CONCLUSIONS AND RELEVANCE: Integrated analyses of imaging and molecular genetics data enabled, for the first time, the establishment of age-based ultrasonographic criteria for the diagnosis of ADPKD in Persian cats. The development of imaging criteria is particularly relevant and useful in the clinical setting given the current limitations to access and the cost of molecular genetics-based diagnostic tests.

Health promotion in Brazil: qualitative survey with primary school teachers.

School health promotion programs can reduce common health problems like obesity, diabetes and respiratory complications. This qualitative study aimed to investigate the perceptions of a group of teachers regarding issues related to the promotion of health in school. The 15 teachers sampled were from public primary schools in a city in southeastern Brazil. Interviews with teachers were conducted and data was analyzed employing content. Teacher practices regarding the promotion of health appeared to be aimed at their students and their daily habits and their practices. Teachers described approaching health promotion through their lesson content and suggested that the school should seek help from other institutions in their health promotion activities like prevention activities, monitoring of improvements in student and teacher health. Teachers mentioned a strong relationship between knowledge and the pursuit of good health. The need to identify major determinants of the disease/health process was highlighted and the connection between lifestyle, socio-economic status and the disease/health process was described. Awareness of the influence concerning both the environment and the school surroundings was demonstrated. It is important that the teachers are aware of the environment that surrounds them as well as the reality of the lives of all those involved with the school.

Má oclusão em crianças e adolescentes com osteogênese imperfeita / Malocclusion in children and adolescents with Osteogenesis Imperfecta

A Osteogênese Imperfeita (OI) é uma doença genética que afeta o tecido conjuntivo e é causada por defeitos na síntese de colágeno tipo I. As alterações na produção do colágeno podem causar anomalias nos ossos da face, resultando em um crescimento craniofacial anormal e má-formação dos dentes e arcos dentários. Dentre as más oclusões, indivíduos com OI apresentam alta prevalência de mordida cruzada, mordida aberta e má oclusão de Classe III. Este estudo objetivou comparar os fatores associados com as más oclusões em crianças e adolescentes com OI e sem OI. Foi realizado um estudo transversal, pareado, com 39 indivíduos com OI e 39 sem OI, na faixa etária de três a 17 anos, e seus pais/responsáveis. A coleta de dados ocorreu por meio de um questionário direcionado aos pais/responsáveis e exame bucal das crianças e adolescentes atendidos nos setores de Ortopedia e Pediatria do Hospital das Clínicas da Universidade Federal de Minas Gerais (UFMG), em Belo Horizonte, região sudeste do Brasil. O instrumento continha itens sobre as características individuais, econômicas, hábitos comportamentais e história médica-odontológica dos filhos. O exame clínico identificou o tipo de respiração das crianças/adolescentes e a presença de anomalias dentárias, apinhamento dentário, má oclusão (mordida aberta anterior e mordida cruzada anterior/posterior) e dentinogênese imperfeita (DI). A fim de garantir a confiabilidade dos dados, foi realizado um treinamento teórico e a calibração prática dos examinadores. O treinamento teórico foi conduzido por meio de leitura sobre o tema e imagens em slides. Após essa etapa, seguindo um padrão ouro diagnóstico, foi realizada a calibração prática. Os valores kappa obtidos para cada condição examinada variaram de 0,82 a 0,96. A confiabilidade interna foi garantida por meio do testereteste do instrumento, que apresentou valores kappa entre 0,81 e 1,00. Em seguida foi realizado o estudo piloto com 5 pares de pais/responsáveis e crianças/adolescentes com OI e 5 sem OI. Após essas fases foi iniciado o estudo principal. Esta pesquisa foi aprovada pelo Comitê de Ética em Pesquisa da UFMG. Os dados foram analisados por meio do software Statistical Package for Social Science - SPSS® (versão 21.0). A média de idade das crianças/adolescentes foi de 7,9 anos (±4,5). Ao comparar o grupo de crianças/adolescentes com OI e sem OI verificou-se uma associação estatisticamente significativa entre ter OI e ser diagnosticado com anomalias dentárias (dentes conóides, dentes fusionados/ geminados, ausência clínica, rotação e microdontia) (p=0,001) e apinhamento dentário (p=0,001). A presença de OI foi estatisticamente associada com mordida aberta anterior (p=0,043), mordida cruzada anterior (p=0,045) e mordida cruzada posterior (p=0,004). No grupo com OI, a prevalência de mordida cruzada anterior foi associada com o uso de bifosfonatos (p=0,036) e com a presença de DI (p=0,004). A presença de mordida cruzada posterior foi associada com a presença de DI (p=0,006). A mordida aberta anterior não foi estatisticamente associada com as variáveis independentes (p>0,05). Concluiu-se que a prevalência de anomalias dentárias e de má oclusão foi maior entre as crianças/adolescentes com OI. No grupo com OI, ter DI foi associado a prevalência de mordida cruzada anterior e posterior entre as crianças/adolescentes. Fazer uso de bifosfonatos foi associado a mordida cruzada anterior.

Osteogenesis Imperfecta (OI) is a rare genetic disorder which affects connective tissue and it is caused by defects in type I collagen structure or synthesis. Alterations in collagen production might cause abnormal craniofacial growth and malformation of the teeth and dental arches. Among the malocclusions, individuals with OI have a high prevalence of crossbite, open bite and Class III malocclusion. This study aimed to compare the prevalence of malocclusion in children/adolescents with OI and without OI and to identify its associated factors. A cross-sectional study was performed of 39 individuals with OI and 39 without OI, aged from 3 to 17 years, and their parents/guardians. Children and adolescents with OI and without OI were matched by sex and age. They are treated in the Orthopedic and Pediatric outpatient clinics of a university hospital, in Belo Horizonte, southeastern Brazil. The instrument contained items on the individual, economic and oral-medical characteristics of the children. The clinical examination identified the type of breathing of the children / adolescents and the presence of dental anomalies, dental crowding, malocclusion (anterior open bite and anterior / posterior crossbite) and imperfect dentinogenesis (DI). In order to guarantee the reliability of the data, a theoretical training and the practical calibration of the examiners were carried out. Theoretical training was conducted through reading on the subject and images on slides. After this step, following a gold standard diagnosis, the practical calibration was performed. The kappa values obtained for each condition examined ranged from 0.82 to 0.96. The internal reliability was guaranteed by the test-retest of the instrument, which presented kappa values between 0.81 and 1.00. Then, the pilot study was carried out with 5 pairs of parents / guardians and children / adolescents with OI and 5 pairs without OI. After these phases the main study was started. This study was approved for the Research Ethics Committee of the Federal University of Minas Gerais. The mean age of children/adolescents was 7.9 years (± 4.5). When comparing the OI group and without OI, there was a statistically significant association between having OI and being diagnosed with dental anomalies (conoid teeth, fused/geminated teeth, clinical absence, rotation and microdontia) (p=0.001) and dental crowding (p=0.001). The presence of OI was statistically associated with anterior open bite (p=0.043), anterior crossbite (p=0.045) and posterior crossbite (p=0.004). In the OI group, the prevalence of anterior crossbite was associated with the use of bisphosphonates (p=0.036) and with the presence of ID (p=0.004). The presence of posterior crossbite was associated with the presence of ID (p=0.006). The anterior open bite was not statistically associated with the independent variables (p>0.05). It was concluded that the prevalence of dental anomalies and malocclusion was higher among children / adolescents with OI. In the group with OI, having DI was associated with the prevalence of anterior and posterior crossbite among children / adolescents. Using bisphosphonates was associated with anterior crossbite.

Fatores de risco para mortalidade em pacientes submetidos a amputações maiores por pé diabético infectado / Risk factors for mortality among patients undergoing major amputations due to infected diabetic feet

A lesão no pé de pacientes com diabetes é um importante problema de saúde pública que frequentemente está associado a amputações em membros inferiores e mortalidade nessa população. Objetivos: Investigar os fatores de risco associados a mortalidade em pacientes com pé diabético infectado submetidos a amputação maior. Métodos: Estudo observacional, retrospectivo e caso-controle. Amostra composta por 78 pacientes com pé diabético e úlcera infectada submetidos a amputação maior em um serviço de cirurgia vascular em um hospital universitário no período de 5 anos. Resultados: A média de idade da amostra estudada foi de 63,8 ± 10,5 anos, com 54 (69,2%) pacientes do sexo masculino, com creatinina sérica média de 2,49 ± 2,4 mg/dL e hemoglobina sérica média de 7,36 ± 1,7 g/dL. Houve 47,4% de reinternação. Foi realizada amputação transtibial em 59,0% e transfemoral em 39,7% da amostra estudada. Nesta amostra, 87,2% dos pacientes apresentaram cultura positiva, predominantemente monomicrobiana (67,9%), e 30,8% presentaram infecção hospitalar da úlcera. Os gêneros de bactérias mais frequentes foram Acinetobacter spp. (24,4%), Morganella spp. (24,4%) e Proteus spp. (23,1%). Nenhum gênero bacteriano foi identificado como fator de risco para óbito. O nível de creatinina ≥ 1,3 mg/dL (OR 17,8; IC 2,1-150) e a amputação transfemoral (OR 4,5; C: 1,3-15,7) foram fatores de risco para o óbito. Conclusões: Os níveis séricos de creatinina ≥ 1,3 mg/dL e amputação transfemoral foram fatores de risco para óbito

Foot ulcers in patients with diabetes are a major public health problem and are often associated with lower limbs amputation and mortality in this population. Objectives: To investigate the risk factors associated with mortality in patients with infected diabetic foot ulcers and major lower limb amputations. Methods: This was an observational, retrospective, case-control study with a sample of 78 patients with infected diabetic foot ulcers who had major lower limb amputations at a Vascular Surgery Service at a university hospital. Results: The mean age of the study sample was 63.8 ± 10.5 years, 54 (69.2%) were male, mean serum creatinine was 2.49 ± 2.4 mg/dL and mean serum hemoglobin was 7.36 ± 1.7 g/dL.There was a 47.4% rate of readmissions to the same hospital.Transtibial amputation was performed in 59.0%; and transfemoral amputation in 39.7% of the sample. In this sample, 87.2% had a positive culture, predominantly (68.0%) monomicrobial and nosocomial infection of ulcers was observed in 30.8%. The most common bacterial genera were Acinetobacter spp. (24.4%), Morganella spp. (24.4%) and Proteus spp. (23.1%). No bacterial genus was identified as a predictor of death. Creatinine level ≥ 1.3 mg/dL (OR 17.8; IC 2.1-150) and transfemoral amputation (OR 4.5; IC: 1.3-15.7) were associated with death. Conclusions: Serum creatinine levels ≥ 1.3 mg/dL and transfemoral amputation were risk factors for death

Risk factors for mortality among patients undergoing major amputations due to infected diabetic feet.

BACKGROUND: Foot ulcers in patients with diabetes are a major public health problem and are often associated with lower limbs amputation and mortality in this population. OBJECTIVES: To investigate the risk factors associated with mortality in patients with infected diabetic foot ulcers and major lower limb amputations. METHODS: This was an observational, retrospective, case-control study with a sample of 78 patients with infected diabetic foot ulcers who had major lower limb amputations at a Vascular Surgery Service at a university hospital. RESULTS: The mean age of the study sample was 63.8 ± 10.5 years, 54 (69.2%) were male, mean serum creatinine was 2.49 ± 2.4 mg/dL and mean serum hemoglobin was 7.36 ± 1.7 g/dL. There was a 47.4% rate of readmissions to the same hospital. Transtibial amputation was performed in 59.0%; and transfemoral amputation in 39.7% of the sample. In this sample, 87.2% had a positive culture, predominantly (68.0%) monomicrobial and nosocomial infection of ulcers was observed in 30.8%. The most common bacterial genera were Acinetobacter spp. (24.4%), Morganella spp. (24.4%) and Proteus spp. (23.1%). No bacterial genus was identified as a predictor of death. Creatinine level ≥ 1.3 mg/dL (OR 17.8; IC 2.1-150) and transfemoral amputation (OR 4.5; IC: 1.3-15.7) were associated with death. CONCLUSIONS: Serum creatinine levels ≥ 1.3 mg/dL and transfemoral amputation were risk factors for death.

Bacterial genus is a risk factor for major amputation in patients with diabetic foot.

Objective: to evaluate whether bacterial genus is a risk factor for major amputation in patients with diabetic foot and infected ulcer. Methods: we conducted a case-control, observational study of 189 patients with infected ulcers in diabetic feet admitted to the Vascular Surgery Service of the Risoleta Tolentino Neves Hospital, from January 2007 to December 2012. The bacteriological evaluation was performed in deep tissue cultures from the lesions and amputation was considered major when performed above the foot'smiddle tarsus. Results: the patients'mean age was 61.9±12.7 years; 122 (64.6%) were men. The cultures were positive in 86.8%, being monomicrobial in 72% of the cases. In patients with major amputation, Acinetobacter spp. (24.4%), Morganella spp. (24.4%), Proteus spp. (23.1%) and Enterococcus spp. (19.2%) were the most frequent types of bacteria. The most commonly isolated species were Acinetobacter baumannii, Morganella morganii, Pseudomonas aeruginosa and Proteus mirabilis. As predictors of major amputation, we identified the isolation of the generaAcinetobacter spp. and Klebsiella spp., serum creatinine ≥1.3mg/dl and hemoglobin <11g/dl. Conclusion: the bacterial genera Acinetobacter spp. and Klebsiella spp. identified in infected ulcers of patients with diabetic foot were associated with a higher incidence of major amputation.

Objetivo: avaliar se gênero bacteriano é fator de risco para amputação maior em pacientes com pé diabético e úlcera infectada. Método: estudo observacional do tipo caso-controle de 189 pacientes com úlcera infectada em pé diabético admitidos pelo Serviço de Cirurgia Vascular do Hospital Risoleta Tolentino Neves, no período de janeiro de 2007 a dezembro de 2012. A avaliação bacteriológica foi realizada em cultura de tecido profundo das lesões e a amputação foi considerada como maior quando realizada acima do médio tarso do pé. Resultados: a média de idade dos pacientes foi 61,9±12,7 anos e 122 (64,6%) eram homens. As culturas foram positivas em 86,8%, sendo monomicrobianas em 72% dos casos. Nos pacientes com amputação maior, os gêneros de bactérias mais frequentes foram Acinetobacter spp. (24,4%), Morganella spp. (24,4%), Proteus spp. (23,1%) e Enterococcus spp. (19,2%) e as espécies mais isoladas foram Acinetobacter baumannii, Morganella morganii, Pseudomonas aeruginosa e Proteus mirabilis. Identificou-se como fatores preditivos para amputação maior o isolamento dos gêneros Acinetobacter spp. e Klebsiella spp.,e níveis séricos de creatinina ≥1,3mg/dl e de hemoglobina <11g/dl. Conclusão: os gêneros bacterianos Acinetobacter spp. e Klebsiella spp. identificados nas úlceras infectadas dos pacientes com pé diabético associaram-se a maior incidência de amputação maior.

Diabetic foot ulcer carries high amputation and mortality rates, particularly in the presence of advanced age, peripheral artery disease and anemia.

INTRODUCTION: Foot ulcer is also a clinical marker for limb amputation and for death in diabetic patients. The purpose of this study was to determine amputation and mortality rates and its associated factors in patients with diabetic foot ulcerations in a tertiary hospital in Brazil. METHODS: Retrospective medical records from 654 diabetic foot patients were reviewed. The risk factors were determined using the conditional logistic regression model analysis. RESULTS: The mean patient age was 63.1 years (SD 12.20). Peripheral arterial disease was present in 160 patients (24.5%). Major amputations were performed in 135 (21%). The in-hospital mortality rate was 12% and the mortality rate of the amputees was 22.2%. The lowest hemoglobin level, the median value was 9.50g/dL, (4.0-17.0). Anemia was detected in 89.6% of patients submitted to amputation and in 82,1% of those who died. Hemoglobin <11g/dL was the most significant risk factor for major amputation (odds ratio 5.57, p<0.0001). The presence of peripheral arterial disease and old age were also a risk for major amputation (odds ratio 1.84, p=0.007 and 1.02, p=0.028, respectively). Factors associated with increased risk for death were hemoglobin <11g/dL (odds ratio 4.04, p<0.001), major amputation (1.79, p=0.03) and old age (1.05, p<0,001). CONCLUSIONS: Diabetic foot ulcer is associated with high amputation and mortality rates. Old age, peripheral arterial disease and low hemoglobin level are risk factor for major amputation. Old age, major amputation and low hemoglobin level are risk factors for death.

Differential circulating concentrations of adipokines, glucagon and adropin in a clinical population of lean, overweight and diabetic cats.

BACKGROUND: Dyslipidemia, dysregulated adipokine secretion and alteration in glucagon and adropin concentrations are important obesity-related factors in the pathophysiology of human Type 2 diabetes; however, their roles in the pathophysiology of feline diabetes mellitus are relatively unknown. Here, we determined the concentrations of circulating leptin, adiponectin, pro-inflammatory cytokines, glucagon, adropin, triglycerides, and cholesterol, in non-diabetic lean and overweight cats and newly diagnosed diabetic cats. Client-owned cats were recruited and assigned into 3 study groups: lean, overweight and diabetic. Fasting blood samples were analyzed in lean, overweight and diabetic cats at baseline and 4 weeks after consumption of high protein/low carbohydrate standardized diet. RESULTS: Serum concentrations of triglycerides were greater in diabetics at baseline and were increased in both diabetic and overweight cats at 4 weeks. Plasma leptin concentrations were greater in diabetic and overweight at baseline and 4 weeks, whereas adiponectin was lower in diabetics compared to lean and overweight cats at baseline and 4 weeks. Diabetics had greater baseline plasma glucagon concentrations compared to lean, lower adropin than overweight at 4 weeks, and lower IL-12 concentrations at 4 weeks than baseline. CONCLUSIONS: Our results suggest that feline obesity and diabetes mellitus are characterized by hypertriglyceridemia and hyperleptinemia; however, diabetic cats have significantly lower adiponectin and adropin compared to overweight cats. Thus, despite having similar body condition, overweight and diabetic cats have differential circulating concentrations of adiponectin and adropin.

Bacterial genus is a risk factor for major amputation in patients with diabetic foot / Gênero bacteriano é fator de risco para amputação maior em pacientes com pé diabético

ABSTRACT Objective: to evaluate whether bacterial genus is a risk factor for major amputation in patients with diabetic foot and infected ulcer. Methods: we conducted a case-control, observational study of 189 patients with infected ulcers in diabetic feet admitted to the Vascular Surgery Service of the Risoleta Tolentino Neves Hospital, from January 2007 to December 2012. The bacteriological evaluation was performed in deep tissue cultures from the lesions and amputation was considered major when performed above the foot'smiddle tarsus. Results: the patients'mean age was 61.9±12.7 years; 122 (64.6%) were men. The cultures were positive in 86.8%, being monomicrobial in 72% of the cases. In patients with major amputation, Acinetobacter spp. (24.4%), Morganella spp. (24.4%), Proteus spp. (23.1%) and Enterococcus spp. (19.2%) were the most frequent types of bacteria. The most commonly isolated species were Acinetobacter baumannii, Morganella morganii, Pseudomonas aeruginosa and Proteus mirabilis. As predictors of major amputation, we identified the isolation of the generaAcinetobacter spp. and Klebsiella spp., serum creatinine ≥1.3mg/dl and hemoglobin <11g/dl. Conclusion: the bacterial genera Acinetobacter spp. and Klebsiella spp. identified in infected ulcers of patients with diabetic foot were associated with a higher incidence of major amputation.

RESUMO Objetivo: avaliar se gênero bacteriano é fator de risco para amputação maior em pacientes com pé diabético e úlcera infectada. Método: estudo observacional do tipo caso-controle de 189 pacientes com úlcera infectada em pé diabético admitidos pelo Serviço de Cirurgia Vascular do Hospital Risoleta Tolentino Neves, no período de janeiro de 2007 a dezembro de 2012. A avaliação bacteriológica foi realizada em cultura de tecido profundo das lesões e a amputação foi considerada como maior quando realizada acima do médio tarso do pé. Resultados: a média de idade dos pacientes foi 61,9±12,7 anos e 122 (64,6%) eram homens. As culturas foram positivas em 86,8%, sendo monomicrobianas em 72% dos casos. Nos pacientes com amputação maior, os gêneros de bactérias mais frequentes foram Acinetobacter spp. (24,4%), Morganella spp. (24,4%), Proteus spp. (23,1%) e Enterococcus spp. (19,2%) e as espécies mais isoladas foram Acinetobacter baumannii, Morganella morganii, Pseudomonas aeruginosa e Proteus mirabilis. Identificou-se como fatores preditivos para amputação maior o isolamento dos gêneros Acinetobacter spp. e Klebsiella spp.,e níveis séricos de creatinina ≥1,3mg/dl e de hemoglobina <11g/dl. Conclusão: os gêneros bacterianos Acinetobacter spp. e Klebsiella spp. identificados nas úlceras infectadas dos pacientes com pé diabético associaram-se a maior incidência de amputação maior.

Congenital hepatic fibrosis and polycystic kidney disease not linked to C >A mutation in exon 29 of PKD1 in a Persian cat.

CASE SUMMARY: We describe the case of a 1-year-old male Persian cat diagnosed with congenital hepatic fibrosis (CHF) associated with renal polycystic disease and, for the first time, we have shown that there was no C >A mutation in exon 29 of PKD1 (polycystic kidney disease 1). The cat presented with a history of chronic weight loss, anorexia, vomiting, depression and lethargy, with profuse salivation and ascites on clinical examination. A mild elevation in liver-associated plasma enzymes suggested a hepatic disease. Owing to the cat's deteriorating condition, it was euthanized. During necropsy, the liver was found to be enlarged, firm and reddish, and the kidney had multiple small cortical cysts. Immunohistochemistry revealed that bile duct cells and epithelial cells of renal cysts showed positive immunoreactivity to keratin 19. Collagen fibers surrounding bile ducts within portal areas demonstrated reactivity to type IV collagen antibody, confirming the congenital nature of the process. A diagnosis of ductal plate malformation consistent with CHF associated with polycystic kidney in a young Persian cat was made. Interestingly, genetic testing revealed a wild-type sequence at position 3284 in exon 29 of PKD1. RELEVANCE AND NOVEL INFORMATION: The absence of the classic genetic mutation associated with the particular clinical presentation supports the hypothesis of a distinct etiopathogenesis among fibropolycystic diseases in domestic cats. Moreover, congenital hepatic fibrosis is a rare but important differential diagnosis for young Persian cats and their crosses with clinical signs of chronic end-stage liver disease.

Fatores associados à prevalência de edentulismo em pacientes com doença renal crônica em hemodiálise: um estudo transversal em Minas Gerais / Factors associated with the prevalence of edentulim in patients with chronic kidney disease on dialysis: a cross sectional study in Minas Gerais

Os indivíduos com doença renal crônica podem apresentar, além das alterações sistêmicas decorrentes da doença, um maior comprometimento da saúde bucal quando comparados à população geral. Dentre as manifestações bucais mais frequentes está a doença periodontal, a cárie, o acúmulo de cálculo dentário, a xerostomia e o edentulismo. A falta de informações relacionadas aos cuidados com a cavidade bucal e sobre a influência da saúde bucal na saúde geral, a baixa motivação com o cuidado dos dentes e uma maior preocupação com as condições sistêmicas são fatores que podem estar relacionados a uma higiene bucal precária em grande parte dessa população. Este estudo objetivou identificar a prevalência de edentulismo nos indivíduos com doença renal crônica, atendidos em um serviço de hemodiálise, e os fatores associados. Foi realizado um estudo transversal com 650 pacientes, na faixa etária de 18 a 90 anos, atendidos em duas clínicas de hemodiálise localizadas em Belo Horizonte e Contagem, região sudeste do Brasil. Enquanto os participantes eram submetidos à sessão de hemodiálise, os dados foram coletados por meio de questionário estruturado e exame clínico. O questionário continha itens sobre características gerais, hábitos de comportamento e história médica e odontológica dos participantes. O exame clínico identificou a presença de edentulismo e alterações da mucosa bucal. A calibração intra e inter-examinador, o teste/reteste do instrumento e um estudo piloto foram realizadas previamente ao estudo principal. Este estudo foi aprovado pelo Comitê de Ética em Pesquisa da Universidade Federal de Minas Gerais. Os resultados revelaram que a média de idade dos pacientes foi de 53,9 anos (+14,3). A maior parte da amostra foi composta por indivíduos do sexo masculino (55,2%), negro ou pardo (80,2%), classe econômica mais favorecida/favorecida (84,0%) e com menos de 8 anos de escolaridade (72,3%)...

Individuals with chronic kidney disease may have, in addition to systemic consequences results from the disease, poor oral health compared to the general population. Most common oral manifestations are periodontal disease, caries, calculus, mouthdry and tooth loss. The lack of information related to dental care and the influence of oral health on overall health, low motivation for dental care and greater concern for systemic health are factors that may be related to precarious oral hygiene in a large part of this population. The study aimed to identify the prevalence of edentulism in people with chronic kidney disease on dialysis and factors associated. A cross-sectional studywasperformedin650 patients, aged 18-90 years treated in two dialysis centers located in Belo Horizonte and Contagem, southeastern of Brazil. While participants performed a hemodialysis session, data were collected using a structured questionnaire and clinical exam. The questionnaire included general characteristics, behavior habits and medical and dental history of the participants. Clinical exam identified the presence of edentulism ...

Overdentures implantorretidas em carga imediata: experiência de um projeto de extensão / Implant-retained overdenture withimmediate loading: the experience of an extension program project

O objetivo desse estudo é relatar a experiência e os resultados de um projeto de extensão universitária que se propõe a reabilitar pacientes de baixa renda, com dentição seriamente comprometida, utilizando-se próteses totais imediatas (PTI) para a arcada superior e overdentures retidas por dois implantes em carga imediata, para a arcada inferior. Métodos: quarenta e dois pacientes foram selecionados para o estudo. Em três casos, não se alcançou travamento primário compatível com o procedimento de carga imediata sobre implantes. Nesses pacientes, as próteses foram capturadas de forma convencional, após o período de osseointegração. Trinta e nove pacientes receberam overdentures em carga imediata. Três deles sofreram perda precoce de um dos implantes, todos ainda no primeiro mês após o procedimento. Os implantes perdidos foram, posteriormente, substituídos e recapturados após três meses. Trinta e seis pacientes completaram o período de osseointegração sem apresentar perdas. Os pacientes passaram, então, a ser avaliados periodicamente, sendo que os casos mais antigos chegaram a 36 meses de acompanhamento e, os mais recentes, incluídos nesse estudo, a 6 meses de controle. Resultados: até o momento das últimas avaliações, não foi observada nenhuma perda adicional de implantes. A taxa de sobrevivência observada foi de 96,15%, isso é, 3 implantes perdidos em 78 imediatamente carregados. Conclusão: o projeto tem alcançado resultados estéticos e funcionais altamente satisfatórios, proporcionando uma melhora acentuada na qualidade de vida da população assistida...

The aim of this study is to report the experience and results of a university extension program project which proposes to rehabilitate low-income patients with severely compromised dentition, using immediate complete dentures (ICD) for the upper arch and overdenture supported by two immediatly loaded implants on the lower jaw. Methods: Forty-two patients were selected for the study. In three cases,primary locking was not consistent with the procedure of implant immediate loading. In these patients, theprostheses were captured in a conventional manner after osseointegration. A total of 39 patients received overdenture with immediate loading. Three of them suffered early loss of one of the implants, all in thefirst month after the procedure. Implants that had been lost were recaptured and replaced three monthslater. A total of 36 patients completed the period of osseointegration without any implant loss. Patientswere periodically evaluated. The oldest cases reached 36 months of follow-up, whereas the newest one was6 months under control. Results: By the time of the latest reviews, no further loss of implants was observed.The survival rate was 96.15%, i.e., only 3 out of 78 implants were lost after immediate loading. Conclusion:The project is highly satisfactory in terms of esthetic and functional results. Additionally, it provides significantimprovements in quality of life of the assisted population...