Treatment topical with silver nanoparticles and Stryphnodendron Adstringens (Mart.) Coville in cervical lesions: randomized clinical trial.

OBJECTIVE: To assess the feasibility of incorporating technology as a new alternative for treating topics on cervical lesions. METHOD: This is a randomized, double-blind, controlled clinical trial with a prospective design. During the realization of this study, 43 women were included and divided between groups A (ointment without silver nanoparticles n = 23) and B (ointment with silver nanoparticles n = 20) clinically healthy and who used the unified health system. RESULTS: There were no significant differences when comparing before and after the use of ointment for IVA test (p = 0.15), Schiller test (p = 0.15), cellular changes (p = 0.47) and microbiological analysis (p = 0.89) through cytology. After use, no adverse reaction was observed in the sample studied. CONCLUSION: Based on the results identified in this study, identified that the product is safe and does not promote adverse events. Regarding the effectiveness of the product in uterine cervical lesions, it is necessary to continue the study in phase II. Registro de Ensaios Clínicos Brasileiros: UTN: U1111-1218-2820.

Treatment topical with silver nanoparticles and Stryphnodendron Adstringens (Mart. ) Coville in cervical lesions: randomized clinical trial / Tratamento tópico com nanopartículas de prata e Stryphnodendron Adstringens (Mart. ) Coville em lesões cervicais: ensaio clínico randomizado / Tratamiento tópico con nanopartículas de plata y Stryphnodendron Adstringens (Mart. ) Coville en lesiones cervicales: ensayo clínico aleatorizado

ABSTRACT Objective: To assess the feasibility of incorporating technology as a new alternative for treating topics on cervical lesions. Method: This is a randomized, double-blind, controlled clinical trial with a prospective design. During the realization of this study, 43 women were included and divided between groups A (ointment without silver nanoparticles n = 23) and B (ointment with silver nanoparticles n = 20) clinically healthy and who used the unified health system. Results: There were no significant differences when comparing before and after the use of ointment for IVA test (p = 0.15), Schiller test (p = 0.15), cellular changes (p = 0.47) and microbiological analysis (p = 0.89) through cytology. After use, no adverse reaction was observed in the sample studied. Conclusion: Based on the results identified in this study, identified that the product is safe and does not promote adverse events. Regarding the effectiveness of the product in uterine cervical lesions, it is necessary to continue the study in phase II. Registro de Ensaios Clínicos Brasileiros: UTN: U1111-1218-2820.

RESUMO Objetivo: Avaliar a viabilidade da incorporação da tecnologia como uma nova alternativa para o tratamento de lesões cervicais. Método: Trata-se de um ensaio clínico randomizado, duplo-cego e controlado com um desenho prospectivo. Durante a realização deste estudo, foram incluídas 43 mulheres, divididas entre os grupos A (pomada sem nanopartículas de prata n = 23) e B (pomada com nanopartículas de prata n = 20), clinicamente saudáveis e usuárias do sistema único de saúde. Resultados: Não houve diferenças significativas na comparação entre antes e depois do uso da pomada para o teste IVA (p = 0,15), teste de Schiller (p = 0,15), alterações celulares (p = 0,47) e análise microbiológica (p = 0,89) por meio de citologia. Após o uso, não foi observada nenhuma reação adversa na amostra estudada. Conclusões: Com base nos resultados identificados neste estudo, identificou-se que o produto é seguro e não promove eventos adversos. Com relação à eficácia do produto em lesões cervicais uterinas, é necessária a continuidade do estudo na fase II. Registro de Ensaios Clínicos Brasileiros: UTN: U1111-1218-2820.

RESUMEN Objetivo: evaluar la viabilidad de la incorporación de la tecnología como una nueva alternativa para el tratamiento de temas sobre lesiones cervicales. Método: Se trata de un ensayo clínico aleatorizado, doble ciego, controlado y con un diseño prospectivo. Durante la realización de este estudio se incluyeron 43 mujeres divididas entre los grupos A (pomada sin nanopartículas de plata n = 23) y B (pomada con nanopartículas de plata n = 20) clínicamente sanas y usuarias del sistema unificado de salud. Resultados: No hubo diferencias significativas al comparar antes y después del uso de la pomada para la prueba de IVA (p = 0,15), la prueba de Schiller (p = 0,15), los cambios celulares (p = 0,47) y el análisis microbiológico (p = 0,89) mediante citología. Tras el uso, no se observó ninguna reacción adversa en la muestra estudiada. Conclusiones: Con base en los resultados identificados en este estudio, se identificó que el producto es seguro y no promueve eventos adversos. Con relación a la eficacia del producto en lesiones cervicales uterinas, es necesario continuar el estudio en fase II. Registro de Estudios Clínicos Brasileños: UTN: U1111-1218-2820.

Diagnosis and management of patients with acute limb ischemia after Covid-19 infection: a case series.

The Covid-19 pandemic caused by the Sars-Cov-2 virus created challenges and stimulated development of new forms of treatment in many different areas of medicine. Studies have described the clinical characteristics of patients and their outcomes, including disorders affecting the coagulation system, in which patients infected by the virus enter a hypercoagulable and proinflammatory state that mimics vasculitis. The objective of this study was to describe the clinical status and the treatment administered to three patients who developed acute arterial occlusion after Covid-19 infection. The management adopted in these cases enabled the patients to recover without sequelae. The low incidence and scarcity of published reports make it difficult to establish universally accepted treatment criteria and options for cases of ischemia in patients infected with the novel coronavirus, whether presenting early or late.

Diagnóstico e manejo de isquemia aguda de membro em paciente pós infecção viral por covid-19: série de casos / Diagnosis and management of patients with acute limb ischemia after Covid-19 infection: a case series

Resumo A pandemia causada pela doença do coronavírus 2019 (covid-19) estabeleceu desafios e estimulou o desenvolvimento de diferentes formas terapêuticas em várias áreas médicas. Estudos descreveram características clínicas e desfechos de pacientes, incluindo desordens do sistema de coagulação, em que os pacientes infectados pelo vírus apresentam um estado de hipercoagulabilidade e pró-inflamatório que mimetiza uma vasculite. O objetivo deste trabalho foi descrever o quadro clínico e a terapia empregada em uma série de três pacientes que evoluíram com quadro de oclusão arterial aguda no período pós-infecção por covid-19. O manejo aplicado nesses casos permitiu que os pacientes evoluíssem sem sequelas. A baixa incidência e a pobreza em relatos descritos tornam difícil o estabelecimento de critérios e opções terapêuticas universalmente aceitos nos casos de isquemia, seja precoce ou tardia, dos pacientes infectados pelo novo coronavírus.

Abstract The Covid-19 pandemic caused by the Sars-Cov-2 virus created challenges and stimulated development of new forms of treatment in many different areas of medicine. Studies have described the clinical characteristics of patients and their outcomes, including disorders affecting the coagulation system, in which patients infected by the virus enter a hypercoagulable and proinflammatory state that mimics vasculitis. The objective of this study was to describe the clinical status and the treatment administered to three patients who developed acute arterial occlusion after Covid-19 infection. The management adopted in these cases enabled the patients to recover without sequelae. The low incidence and scarcity of published reports make it difficult to establish universally accepted treatment criteria and options for cases of ischemia in patients infected with the novel coronavirus, whether presenting early or late.

Responsiveness of the CCVUQ-Br quality of life questionnaire in chronic venous ulcer patients.

BACKGROUND: Responsiveness is a measure of an instrument's ability to reflect in its score the variability that has occurred in a patient's life as a result of an intervention. The CCVUQ-Br has been validated in Portuguese, but its responsiveness still needs to be tested. When this study has been completed, the CCVUQ-Br will be available for use as an instrument capable of detecting and reflecting in its score the changes that take place in the quality of life of people with venous ulcers. OBJECTIVES: To evaluate the responsiveness of the CCVUQ-Br. METHODS: A longitudinal intervention study was conducted at public and private centers for patients with venous ulcers. The sample comprised people with chronic venous ulcers due to start treatment and the variables analyzed were CCVUQ-Br score and its domain scores, a pain visual analog scale (pain VAS), and the Global Assessment of Change Scale, in addition to CEAP classification, and size of ulcer. The CCVUQ-Br was administered to 51 people about to start treatment who were recruited at random. The CCVUQ-Br was then re-administered 4 weeks after treatment had started. RESULTS: Mean CCVUQ-Br scores reduced from the first to the second administration. The highest mean score at baseline was for the Emotional Status domain, at 63.45, which dropped to 52.00 after 4 weeks. There were also correlations between changes in CCVUQ-Br scores and pain VAS ratings and CEAP class. With regard to the effect size, total CCVUQ-Br score and ulcer size exhibited high sensitivity, while pain VAS and the majority of the CCVUQ-Br domains had moderate sensitivity. CONCLUSIONS: The CCVUQ-Br questionnaire is sensitive in the Brazilian population and exhibited response to change in the sample tested.

Use of ultrasound imaging software to differentiate venous and lymphatic edema in lower limbs.

BACKGROUND: Lower limb edema has both systemic and local causes. Using software to differentiate the origin of edema in ultrasound images is an innovation. OBJECTIVE: To determine the parameters for using software to differentiate edema of venous and/or lymphatic origin in ultrasound images of the lower limbs. METHOD: This is a cross-sectional, quantitative, analytical study with non-probabilistic sampling by convenience. Data were collected by patient interview, physical examination, ultrasound examination, and analysis of software for tissue characterization in ultrasound image by means of quantification of echogenicity and Gray Scale Median (GSM). RESULTS: The sample comprised 42 lower limbs with venous edema, 35 with lymphatic edema, 14 with mixed edema, and 11 control limbs. The distributions of pixels in echogenicity intervals by group was as follows. In the venous edema group, 88.31% were distributed from hypoechogenic interval IV to echogenic interval III; in the lymphatic edema group 71.73% were from hypoechogenic interval II to echogenic interval I; in the mixed edema group 76.17% were from hypoechogenic interval III to echogenic interval II; and in the control group 84.87% were distributed from echogenic interval II to hyperechogenic interval I. Mean and standard deviation of GSM values showed statistical differences between groups. CONCLUSION: The CATUS software enabled differentiation of the type of lower limb edema, facilitating diagnosis of edema type and, consequently, choice of the best therapeutic option.

Responsividade do questionário de qualidade de vida CCVUQ-Br em portadores de úlcera venosa crônica / Responsiveness of the CCVUQ-Br quality of life questionnaire in chronic venous ulcer patients

Resumo Contexto A responsividade consiste na capacidade de um instrumento em verificar se a pontuação reflete a variabilidade ocorrida na vida do paciente decorrente de uma intervenção. O CCVUQ-Br foi validado na língua portuguesa e necessita ter sua responsividade verificada. Quando finalizado este estudo, o CCVUQ-Br será utilizado como um instrumento capaz de perceber e refletir, na sua pontuação, as mudanças ocorridas na qualidade de vida do portador de úlcera venosa. Objetivos Avaliar a responsividade do CCVUQ-Br. Métodos Estudo de intervenção longitudinal, realizado em centros públicos e privados para pacientes com úlcera venosa. A amostra foi composta por portadores de úlcera venosa crônica submetidos à conduta terapêutica, tendo como variáveis as pontuações do CCVUQ-Br e de seus domínios, da escala visual analógica da dor (EVA dor) e da Escala de Avaliação Global de Mudança, além da classificação CEAP e o tamanho da úlcera. O CCVUQ-Br foi aplicado em 51 indivíduos submetidos a conduta terapêutica, recrutados de forma aleatória. Após 4 semanas, o CCVUQ-Br foi reaplicado. Resultados Houve diminuição das pontuações médias do CCVUQ-Br entre os dois momentos de aplicação, sendo que, no momento basal, a maior média de pontuação foi a do domínio Estado Emocional, com 63,45, diminuindo, após 4 semanas, para 52,00. Ainda apresentou correlações das mudanças com EVA dor e CEAP. Em relação ao tamanho do efeito, pode-se considerar que pontuação total do CCVUQ-Br e tamanho da úlcera apresentaram sensibilidade elevada, enquanto EVA dor e a maioria dos domínios do CCVUQ-Br apresentaram sensibilidade moderada . Conclusões O questionário CCVUQ-Br é sensível na população brasileira, apresentando garantia de resposta à amostra testada.

Abstract Background Responsiveness is a measure of an instrument's ability to reflect in its score the variability that has occurred in a patient's life as a result of an intervention. The CCVUQ-Br has been validated in Portuguese, but its responsiveness still needs to be tested. When this study has been completed, the CCVUQ-Br will be available for use as an instrument capable of detecting and reflecting in its score the changes that take place in the quality of life of people with venous ulcers. Objectives To evaluate the responsiveness of the CCVUQ-Br. Methods A longitudinal intervention study was conducted at public and private centers for patients with venous ulcers. The sample comprised people with chronic venous ulcers due to start treatment and the variables analyzed were CCVUQ-Br score and its domain scores, a pain visual analog scale (pain VAS), and the Global Assessment of Change Scale, in addition to CEAP classification, and size of ulcer. The CCVUQ-Br was administered to 51 people about to start treatment who were recruited at random. The CCVUQ-Br was then re-administered 4 weeks after treatment had started. Results Mean CCVUQ-Br scores reduced from the first to the second administration. The highest mean score at baseline was for the Emotional Status domain, at 63.45, which dropped to 52.00 after 4 weeks. There were also correlations between changes in CCVUQ-Br scores and pain VAS ratings and CEAP class. With regard to the effect size, total CCVUQ-Br score and ulcer size exhibited high sensitivity, while pain VAS and the majority of the CCVUQ-Br domains had moderate sensitivity. Conclusions The CCVUQ-Br questionnaire is sensitive in the Brazilian population and exhibited response to change in the sample tested.

Uso de software na imagem ultrassonográfica para diferenciação de edema de origem venosa e de origem linfática em membros inferiores / Use of ultrasound imaging software to differentiate venous and lymphatic edema in lower limbs

Resumo Contexto O edema de membros inferiores (MMII) possui causas de origem sistêmicas e locais. Uma inovação é a utilização de um software de caracterização tecidual para diferenciação da origem do edema em imagens de ultrassom. Objetivos Determinar os parâmetros do uso de software na imagem ultrassonográfica para diferenciação de edema de origem venosa e/ou linfática em MMII. Métodos Trata-se de um estudo transversal do tipo quantitativo analítico com amostragem não probabilística por conveniência. Os instrumentos de coleta foram: anamnese, exame físico, exame de ultrassom e análise do software de caracterização tecidual por imagem ultrassonográfica por meio da quantificação da ecogenicidade e da mediana da escala de cinza (GSM). Resultados A amostra foi composta por 42 MMII de edema venoso, 35 de edema linfático, 14 de edema misto e 11 controle. Quanto à distribuição dos pixels nos intervalos de ecogenicidade, o grupo com edema venoso apresentou 88,31% entre o intervalo hipoecogênico IV ao ecogênico III; o grupo com edema linfático, 71,73% entre o intervalo hipoecogênico II ao ecogênico I; grupo com edema misto, 76,17% entre o intervalo hipoecogênico III ao ecogênico II; e o grupo controle, 84,87% entre o intervalo ecogênico II ao hiperecogênico I. A média e o desvio-padrão da GSM apresentaram diferença estatística entre os grupos. Conclusão O software CATUS permitiu a diferenciação do tipo de edema de MMII, facilitando o diagnóstico do tipo de edema e, consequentemente, a escolha da melhor opção terapêutica.

Abstract Background Lower limb edema has both systemic and local causes. Using software to differentiate the origin of edema in ultrasound images is an innovation. Objective To determine the parameters for using software to differentiate edema of venous and/or lymphatic origin in ultrasound images of the lower limbs. Method This is a cross-sectional, quantitative, analytical study with non-probabilistic sampling by convenience. Data were collected by patient interview, physical examination, ultrasound examination, and analysis of software for tissue characterization in ultrasound image by means of quantification of echogenicity and Gray Scale Median (GSM). Results The sample comprised 42 lower limbs with venous edema, 35 with lymphatic edema, 14 with mixed edema, and 11 control limbs. The distributions of pixels in echogenicity intervals by group was as follows. In the venous edema group, 88.31% were distributed from hypoechogenic interval IV to echogenic interval III; in the lymphatic edema group 71.73% were from hypoechogenic interval II to echogenic interval I; in the mixed edema group 76.17% were from hypoechogenic interval III to echogenic interval II; and in the control group 84.87% were distributed from echogenic interval II to hyperechogenic interval I. Mean and standard deviation of GSM values showed statistical differences between groups. Conclusion The CATUS software enabled differentiation of the type of lower limb edema, facilitating diagnosis of edema type and, consequently, choice of the best therapeutic option.

Determination of the longitudinal sensitivity of the AVVQ-Brazil Quality of Life Questionnaire to non-surgical treatment of chronic venous disease.

BACKGROUND: Sensitivity determines the efficiency and quality of construction of an assessment measure, but studies of the subject are scarce in the literature. OBJECTIVE: To evaluate the longitudinal sensitivity of the AVVQ-Brazil to clinical changes after treatment for chronic venous disease (CVD). METHODS: A longitudinal intervention study, with 112 chronic venous patients receiving elective treatment, assessed with CEAP, VAPS, AVVQ-Brazil, and VEINES-QOL/Sym at pre-treatment (baseline) and post-treatment (4 weeks). Differences in the scores for the scales at different times were evaluated using Student's t test for paired samples and Wilcoxon's z, which were also used to asses individuals by CEAP grade and assessment time. Effect size, confidence intervals, and partial η2 were used to determine the sensitivity of changes in scale scores over time. Correlations between changes in the scores of the same scales and between different scales were measured using Pearson coefficients, Spearman coefficients, and Kendall's tau-b coefficient. RESULTS: The mean age of the patients was 59.51 years. The majority were female (82.1%), with standing for prolonged periods (49.1%), had completed secondary (22.3%) or higher (25%) education, and had CEAP C2 (28.6%) or C6 (32.1%) clinical severity. The following results were observed: mean scale scores reduced from baseline to post-treatment, except for the Extent of Varicosities domain of the AVVQ-Brazil and the VEINES-QOL/Sym scales; sensitivity was low for the AVVQ-Brazil and its domains and for the VAPS, and was from low to high for the other scales; there were improvements or maintenance of CEAP grade after treatment; and moderate to excellent correlations between changes in scale scores over time. CONCLUSIONS: The AVVQ-Brazil is sensitive to longitudinal clinical changes after treatment for CVD and is an important measure for assessment of QoL and of disease severity in Brazil.

Cateterismo de artéria mesentérica para tratamento de trombose de veia porta / Catheterization of the mesenteric artery to treat portal vein thrombosis

A trombose de veia porta é uma causa rara de abdome agudo vascular e está diretamente relacionada a trombofilias hereditárias ou adquiridas. O caso de um paciente de 60 anos, sexo masculino, com quadro clínico de isquemia mesentérica confirmada por exame de imagem é apresentado. Foi submetido a enterectomia e enteroanastomose e, após esplenoportografia que detectou trombose de veia porta, indicou-se tratamento medicamentoso com infusão contínua de ativador tecidual do plasminogênio recombinante (Alteplase) através de cateterismo seletivo da artéria mesentérica superior. Trata-se de um tratamento inovador. Obteve-se sucesso na recanalização do sistema porta. O paciente evoluiu com quadro de sepse abdominal, necessitando de assistência em terapia intensiva por 25 dias. Evoluiu bem e recebeu alta hospitalar com o uso de anticoagulante. O artigo apresenta uma breve revisão de literatura e discussão do caso clínico

Portal vein thrombosis is a rare vascular cause of acute abdomen and it is directly related to hereditary or acquired thrombophilias. This article presents the case of a 60-year-old male patient, with clinical signs of mesenteric ischemia that was confirmed by imaging examination. He underwent enterectomy and enteroanastomosis and, after detection of portal vein thrombosis by splenoportography, he was prescribed drug-based treatment with continuous infusion of recombinant tissue plasminogen activator (Alteplase) via selective catheterization of the superior mesenteric artery. This is a treatment innovation. The portal system was successfully recanalized. However, the patient developed abdominal sepsis and required intensive care for 25 days. His clinical status improved and he was discharged with a prescription for oral anticoagulant. This article presents a brief review of the literature and a discussion of portal vein thrombosis

Modified technique for preparation of venous circulation resin casts in the cirrhotic liver.

This study describes two major adaptations for the preparation of resin casts in human cirrhotic liver, harvested at the time of transplantation. The first is the way of fixing the catheter in the ostia of the hepatic and portal veins through a cerclage, so as to prevent displacement of the catheter and / or leakage of the resin during its injection. The second is the extension of corrosion time in the NaOH solution, averaging 6.8 days, with daily replacement the solution until complete removal of parenchymal tissue. We applied the method in 14 cirrhotic livers, with good filling and coloring of the portal and hepatic vein territories, using different colors. This allows an anatomical study of these vessels, able to complement the knowledge of the histopathology in research work, and the planning of therapeutic procedures, such as the Trans-Jugular Intrahepatic Port-Systemic Shunt (TIPS). RESUMO Este estudo descreve duas importantes adaptações para o preparo de moldes de resina em fígado humano cirrótico, captado no momento do transplante: a primeira, é a maneira de fixação dos cateteres nos "óstios" das veias hepáticas e porta, através de uma "cerclagem" dos mesmos, de modo a evitar o deslocamento do cateter e/ou extravasamento da resina durante sua injeção, e a segunda, é o prolongamento do tempo de corrosão na solução de NaOH, atingindo a média de 6,8 dias, com a substituição diária da solução, até a remoção completa do tecido parenquimatoso. O método foi empregado em 14 fígados cirróticos com bom preenchimento e coloração dos territórios das veias porta e hepáticas, utilizando cores distintas. Isto permite um estudo anatômico desses vasos, capaz de complementar os conhecimentos da histopatologia em trabalhos de pesquisa, e planejar procedimentos terapêuticos como a derivação porto-sistêmica intra-hepática transjugular (TIPS - Transjugular Intrahepatic Postosystemic Shunt).

Allium sativum Compared to Cilostazol as an Inhibitor of Myointimal Hyperplasia.

Objective: Intimal hyperplasia is associated with graft failure and vascular sutures in the first year after surgery and in postangioplasty restenosis. Allium sativum (common garlic) lowers cholesterol and has antioxidant effects; it also has antiplatelet and antitumor properties and, therefore, has great potential to reduce or inhibit intimal hyperplasia of the arteries. Our objective is to determine if the garlic has an efficacy to inhibit myointimal hyperplasia compared to cilostazol. Methods: Female New Zealand rabbits were divided into the following groups (n=10 each) according to treatment: group A, garlic, 800 µg×kg-1×day-1, orally; group C, cilostazol, 50 mg.day-1, orally; group PS, 10 ml of 0.9% physiological saline solution, orally. Our primary is the difference of the mean of myointimal hyperplasia. Statistical analysis was performed by using ANOVA and Tukey tests, as well as the Chi-square test. We calculated the 95% confidence interval for each point estimate, and the P value was set as < 0.05. Results: Group PS had a mean hyperplasia rate of 35.74% (95% CI, 31.76-39.71%); group C, 16.21% (95% CI, 13.36-19.05%); and group A, 21.12% (95% CI, 17.26-25.01%); P < 0.0001. Conclusion: We conclude that Allium sativum had the same efficacy in inhibiting myointimal hyperplasia when compared to the positive control, cilostazol.

Allium sativum compared to cilostazol as an inhibitor of myointimal hyperplasia

Abstract Objective: Intimal hyperplasia is associated with graft failure and vascular sutures in the first year after surgery and in postangioplasty restenosis. Allium sativum (common garlic) lowers cholesterol and has antioxidant effects; it also has antiplatelet and antitumor properties and, therefore, has great potential to reduce or inhibit intimal hyperplasia of the arteries. Our objective is to determine if the garlic has an efficacy to inhibit myointimal hyperplasia compared to cilostazol. Methods: Female New Zealand rabbits were divided into the following groups (n=10 each) according to treatment: group A, garlic, 800 µg×kg-1×day-1, orally; group C, cilostazol, 50 mg.day-1, orally; group PS, 10 ml of 0.9% physiological saline solution, orally. Our primary is the difference of the mean of myointimal hyperplasia. Statistical analysis was performed by using ANOVA and Tukey tests, as well as the Chi-square test. We calculated the 95% confidence interval for each point estimate, and the P value was set as < 0.05. Results: Group PS had a mean hyperplasia rate of 35.74% (95% CI, 31.76–39.71%); group C, 16.21% (95% CI, 13.36–19.05%); and group A, 21.12% (95% CI, 17.26–25.01%); P<0.0001. Conclusion: We conclude that Allium sativum had the same efficacy in inhibiting myointimal hyperplasia when compared to the positive control, cilostazol.

Alterations of blood flow pattern after triple stent endovascular treatment of saccular abdominal aortic aneurysm: a porcine model.

OBJECTIVE: to determine the blood flow pattern changes after endovascular treatment of saccular abdominal aortic aneurysm with triple stent. METHODS: we conducted a hemodynamic study of seven Landrace and Large White pigs with saccular aneurysms of the infrarenal abdominal aorta artificially produced according to the technique described. The animals were subjected to triple stenting for endovascular aneurysm. We evaluated the pattern of blood flow by duplex scan before and after stent implantation. We used the non-paired Mann-Whitney test for statistical analysis. RESULTS: there was a significant decrease in the average systolic velocity, from 127.4cm/s in the pre-stent period to 69.81cm/s in the post-stent phase. There was also change in the flow pattern from turbulent in the aneurysmal sac to laminate intra-stent. CONCLUSION: there were changes in the blood flow pattern of saccular abdominal aortic aneurysm after endovascular treatment with triple stent. OBJETIVO: determinar as alterações do padrão do fluxo sanguíneo após tratamento endovascular do aneurisma sacular de aorta abdominal com triplo stent. MÉTODOS: estudo hemodinâmico de sete suínos das raças Landrace e Large White portadores de aneurismas saculares de aorta abdominal infrarrenal artificialmente produzidos segundo técnica descrita. Os animais foram submetidos a implante de triplo stent para correção endovascular do aneurisma e reavaliados por duplex scan quanto ao padrão do fluxo sanguíneo antes e após o implante dos stents. A análise estatística foi realizada com o teste Mann-Whitney não pareado. RESULTADOS: verificou-se uma queda significativa da velocidade sistólica média de 127,4cm/s na fase pré-stent para 69,81cm/s na fase pós-stent. Houve ainda mudança no padrão do fluxo de turbilhonar no saco aneurismático para laminar intrastent. CONCLUSÃO: o estudo demonstrou alterações do padrão do fluxo sanguíneo do aneurisma sacular de aorta abdominal após tratamento endovascular com triplo stent.

Alterations of blood flow pattern after triple stent endovascular treatment of saccular abdominal aortic aneurysm: a porcine model / Alterações do padrão do fluxo sanguíneo após tratamento endovascular do aneurisma sacular da aorta abdominal com triplo stent: modelo em suínos

ABSTRACT Objective: to determine the blood flow pattern changes after endovascular treatment of saccular abdominal aortic aneurysm with triple stent. Methods: we conducted a hemodynamic study of seven Landrace and Large White pigs with saccular aneurysms of the infrarenal abdominal aorta artificially produced according to the technique described. The animals were subjected to triple stenting for endovascular aneurysm. We evaluated the pattern of blood flow by duplex scan before and after stent implantation. We used the non-paired Mann-Whitney test for statistical analysis. Results: there was a significant decrease in the average systolic velocity, from 127.4cm/s in the pre-stent period to 69.81cm/s in the post-stent phase. There was also change in the flow pattern from turbulent in the aneurysmal sac to laminate intra-stent. Conclusion: there were changes in the blood flow pattern of saccular abdominal aortic aneurysm after endovascular treatment with triple stent.

RESUMO Objetivo: determinar as alterações do padrão do fluxo sanguíneo após tratamento endovascular do aneurisma sacular de aorta abdominal com triplo stent. Métodos: estudo hemodinâmico de sete suínos das raças Landrace e Large White portadores de aneurismas saculares de aorta abdominal infrarrenal artificialmente produzidos segundo técnica descrita. Os animais foram submetidos a implante de triplo stent para correção endovascular do aneurisma e reavaliados por duplex scan quanto ao padrão do fluxo sanguíneo antes e após o implante dos stents. A análise estatística foi realizada com o teste Mann-Whitney não pareado. Resultados: verificou-se uma queda significativa da velocidade sistólica média de 127,4cm/s na fase pré-stent para 69,81cm/s na fase pós-stent. Houve ainda mudança no padrão do fluxo de turbilhonar no saco aneurismático para laminar intrastent. Conclusão: o estudo demonstrou alterações do padrão do fluxo sanguíneo do aneurisma sacular de aorta abdominal após tratamento endovascular com triplo stent.

Experimental Model of Saccular Abdominal Aortic Aneurysm in Swines with Pericardium Sac.

OBJECTIVE: To consider modifications in an experimental model of saccular aortic aneurysm, aiming at better reproducibility, to be used in the development of vascular prostheses. METHODS: Experimental study in two phases, developed in the Center of Experimental Surgery and Bioterium (CCEB) of the University of Health Sciences of Alagoas (UNCISAL), with 11 hybrid swine, female, mean weight of 20 ± 5 kg, according to modifications in the Perini technique was performed. In the first phase, the aneurysm was confectioned with bovine pericardial patch. In the second phase, fifteen days later, the patency of the aneurysms was confirmed by Doppler ultrasonography. The described variables were aortic and aneurysm sac patency, incidence of rupture, morbidity and mortality. The statistical analysis program used was STATA v.8. RESULTS: All animals survived to the procedures. Surgical mean time was 73 minutes. Aneurysm rupture, proximal or distal aortic thrombosis, visceral or legs ischemia weren't observed. Parietal thrombus formation was observed in all of the aneurysms, two of which (18%; IC 95% = 3.98 - 48.84) were occluded and nine (82%; IC 95% = 51.15 - 96.01) were patent. CONCLUSION: In this series, the modifications carried out in the technique related to the surgical approach, race, anesthesia, and imaging exams reproduced the experimental model, reducing its costs, without hindering the analysis of the variables. The satisfactory patency ratio allows the method to be used in experimental models for the development of vascular prostheses.

Iliac artery myointimal hyperplasia in rabbits submitted to angioplasty and treated with Moringa oleifera.

OBJECTIVE: to assess post-angioplasty myointimal hyperplasia in iliac artery of rabbits treated with extract of Moringa oleifera leaves. METHODS: we conducted a randomized trial in laboratory animals for five weeks of follow-up, developed in the Vivarium of Pharmaceutical Technology Laboratory of the Universidade Federal da Paraíba. We used rabbits from the New Zealand breed, subjected to a hypercholesterolemic diet and angioplasty of the external iliac artery, randomized into two groups: M200 Group (n=10) - rabbits treated with 200mg/kg/day of Moringa oleifera leaves extract orally; SF group (n=10) - rabbits treated with 0.9% saline orally. After five weeks, the animals were euthanized and the iliac arteries prepared for histology. Histological sections were analyzed by digital morphometry. Statistical analysis was performed using the Student's t test. The significance level was 0.05. RESULTS: there was no significant difference in myointimal hyperplasia between M200 and SF groups when comparing the iliac arteries submitted to angioplasty. CONCLUSION: there was no difference of myointimal hyperplasia between groups treated with saline and Moringa oleifera after angioplasty.

Validação do questionário de qualidade de vida na úlcera venosa crônica em língua portuguesa (Charing Cross Venous Ulcer Questionnaire -CCVUQ-Brasil) / Validation of the Portuguese language version of a chronic venous ulcer quality of life questionnaire (Charing Cross Venous Ulcer Questionnaire - CCVUQ-Brazil)

CONTEXTO: Instrumentos de qualidade de vida vêm sendo usados nos últimos anos. Para a úlcera venosa, há um importante questionário específico, o Charing Cross Venous Ulcer Questionnaire (CCVUQ), já traduzido para português em recente estudo, mas necessitando do teste de suas propriedades psicométricas e da consequente validação para ser utilizado no Brasil. OBJETIVOS: Validar o questionário de qualidade de vida na úlcera venosa em língua portuguesa, o CCVUQ-Brasil. MÉTODOS: A versão traduzida do questionário foi aplicada em 50 indivíduos. Sua consistência interna foi analisada, sendo posteriormente reaplicado (30 minutos e entre 7 e 15 dias após a primeira aplicação) para testar a reprodutibilidade. Os resultados foram comparados com o 36-Item Short Form Health Survey (SF-36) para testar a validade. RESULTADOS: A versão em português é semântica e culturalmente semelhante à versão original em inglês, tendo consistência interna satisfatória, alta correlação na verificação da reprodutibilidade e validade de constructo significativa. CONCLUSÕES: O CCVUQ-Brasil encontra-se validado na língua portuguesa.

BACKGROUND: The use of quality of life instruments has become widespread over recent years. There is an important questionnaire specifically designed for patients with venous ulcers, the Charing Cross Venous Ulcer Questionnaire (CCVUQ), which has already been translated into Portuguese as part of a recent study, but its psychometric properties still need to be tested to complete its validation for use in Brazil. OBJECTIVES: To validate the Portuguese version of a venous ulcer quality of life questionnaire, the CCVUQ-Brazil. METHODS: The translated version of the questionnaire was administered to 50 individuals and its internal consistency was analyzed. It was re-administered (30 minutes and 7 to 15 days after the first administration) in order to test its reproducibility. RESULTS: were compared with results for the 36-Item Short Form Health Survey (SF-36) to test validity. Results: The Portuguese version is semantically and culturally similar to the original version in English. It has satisfactory internal consistency, it exhibited high correlations in tests of reproducibility and it has significant construct validity. CONCLUSIONS: The Portuguese version of the CCVUQ-Brazil has been validated for use.

Iliac artery myointimal hyperplasia in rabbits submitted to angioplasty and treated with Moringa oleifera / Hiperplasia miointimal na artéria ilíaca em coelhos submetidos à angioplastia e tratados com Moringa oleifera

Objective: to assess post-angioplasty myointimal hyperplasia in iliac artery of rabbits treated with extract of Moringa oleifera leaves. Methods : we conducted a randomized trial in laboratory animals for five weeks of follow-up, developed in the Vivarium of Pharmaceutical Technology Laboratory of the Universidade Federal da Paraíba. We used rabbits from the New Zealand breed, subjected to a hypercholesterolemic diet and angioplasty of the external iliac artery, randomized into two groups: M200 Group (n=10) - rabbits treated with 200mg/kg/day of Moringa oleifera leaves extract orally; SF group (n=10) - rabbits treated with 0.9% saline orally. After five weeks, the animals were euthanized and the iliac arteries prepared for histology. Histological sections were analyzed by digital morphometry. Statistical analysis was performed using the Student's t test. The significance level was 0.05. Results : there was no significant difference in myointimal hyperplasia between M200 and SF groups when comparing the iliac arteries submitted to angioplasty. Conclusion : there was no difference of myointimal hyperplasia between groups treated with saline and Moringa oleifera after angioplasty.

Objetivo: determinar a diferença da média de hiperplasia miointimal pós-angioplastia na artéria ilíaca de coelhos tratados e não tratados com extrato das folhas de Moringa oleifera. Métodos: ensaio aleatório em animais de laboratório por cinco semanas de seguimento, desenvolvido no Biotério do Laboratório de Tecnologia Farmacêutica da Universidade Federal da Paraíba. Foram utilizadas coelhas da raça Nova Zelândia, submetidas à dieta hipercolesterolêmica e angioplastia da artéria ilíaca externa, randomizadas em dois grupos: Grupo M200 (n=10), coelhas tratadas com 200mg/kg/dia de extrato de folhas de Moringa oleifera, por via oral; Grupo SF (n=10), coelhas tratadas com soro fisiológico 0,9%, por via oral. Após cinco semanas, os animais foram eutanaziados e as artérias ilíacas preparadas para histologia. Os cortes histológicos foram analisados por morfometria digital. A análise estatística foi realizada com o teste t de Student. O nível de significância foi 0,05. Resultados: comparando as artérias ilíacas submetidas à angioplastia do grupo M200 com as do grupo SF, não houve diferença significativa da hiperplasia miointimal Conclusão: não houve diferença da hiperplasia miointimal nos grupos tratados com soro fisiológico e Moringa oleifera após angioplastia.