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1.
Updates Surg ; 2024 May 27.
Artigo em Inglês | MEDLINE | ID: mdl-38801603

RESUMO

There are three types of complications stoma related: ones related to its construction, ones related to its function and related to closure. The aim of this study was to assess the risk of complications related to the stoma presence and to identificate variables related to complications. We conducted a retrospective study of patients who underwent sphincter-preserving elective surgery for benign condition between January 2013 and December 2020 at IRCCS Sacro Cuore Don Calabria Hospital in Negrar, Verona. Data were collected regarding demographics and complications associated with primary surgery, stoma closure and the interval period. Univariable and multivariable analysIs were conducted. A total of 446 (12.2%) diverting loop ileostomies were performed. At index procedure, 76 (17%) patients had complications and 34 patients had complications related to ileostomy creation. Twenty patients (4.4%) were re admitted before stoma closure for dehydration. One hundred and eighty-seven patients (41.9%) suffered from ileostomy management's problems. At univariate analysis, complications of having stoma are more frequent in elder patients (p = 0.013), ASA score > 2 (p = 0.02), IBD diagnosis (p = < 0.001) and patients who had ileostomy creation complications (p = 0.04). At stoma closure, 55 (12.3%) patients had complications. Forty-seven patients (10.5%) presented incisional hernia in the stoma closure site. Ileostomy closure complications are more common with ASA score > 2 (p = 0.01) and IBD diagnosis (p < 0.001). IBD was found an independent factor of poor outcome at the time of ileostomy creation and closure. Developing complications at the time of ileostomy creation is statistically related to develop complications during ileostomy maintenance at multivariable analysis A loop ileostomy is usually created to limit the potentially life-threatening consequenceS of anastomotic leakage, but it is not able to decrease the leak-related mortality, wound sepsis, postoperative bleeding and small bowel obstruction. Debate rises not only for its uncertain efficacy but also because of the significant morbidity related to stoma. The surgeon could use these data in order to tailor his surgical strategy to the patients and their disease.

2.
G Chir ; 40(1): 20-25, 2019.
Artigo em Inglês | MEDLINE | ID: mdl-30771794

RESUMO

BACKGROUND: Anastomotic leakage (AL) is a dreaded major complication after colorectal surgery. There is no uniform definition of anastomotic dehiscence and leak. Over the years many risk factors have been identified (distance of anastomosis from anal verge, gender, BMI, ASA score) but none of these allows an early diagnosis of AL. The DUtch LeaKage (DULK) score, C reactive protein (CRP) and procalcitonin (PCT) have been identified as early predictors for anastomotic leakage starting from postoperative day (POD) 2-3. The study was designed to prospectively evaluate AL rates after colorectal resections, in order to give a definite answer to the need for clear risk factors, and testing the diagnostic yeld of DULK score and of laboratory markers. Methods and analysis. A prospective enrollment for all patients undergoing elective colorectal surgery with anastomosis carried out from September 2017 to September 2018 in 19 Italian surgical centers. OUTCOME MEASURES: preoperative risk factors of anastomotic leakage; operative parameters; leukocyte count, serum CRP, serum PCT and DULK score assessment on POD 2 and 3. Primary endpoint is AL; secondary endpoints are minor and major complications according to Clavien-Dindo classification; morbidity and mortality rates; readmission and reoperation rates, length of postoperative hospital stay (Retrospectively registered at ClinicalTrials.gov Identifier: NCT03560180, on June 18, 2018). Ethics. The ethics committee of the "Comitato Etico Regionale delle Marche - C.E.R.M." reviewed and approved this study protocol on September 7, 2017 (protocol no. 2017-0244-AS). All the participating centers submitted the protocol and obtained authorization from the local Institutional Review Board.


Assuntos
Fístula Anastomótica/diagnóstico , Proteína C-Reativa/análise , Colo/cirurgia , Pró-Calcitonina/sangue , Reto/cirurgia , Fístula Anastomótica/sangue , Biomarcadores/sangue , Diagnóstico Precoce , Procedimentos Cirúrgicos Eletivos/efeitos adversos , Humanos , Contagem de Leucócitos , Avaliação de Resultados em Cuidados de Saúde , Estudos Prospectivos , Fatores de Risco , Tamanho da Amostra , Deiscência da Ferida Operatória/complicações
3.
G Chir ; 40(4Supp.): 1-40, 2019.
Artigo em Inglês | MEDLINE | ID: mdl-32003714

RESUMO

Enhanced Recovery After Surgery (ERAS) pathway is a multi-disciplinary, patient-centered protocol relying on the implementation of the best evidence-based perioperative practice. In the field of colorectal surgery, the application of ERAS programs is associated with up to 50% reduction of morbidity rates and up to 2.5 days reduction of postoperative hospital stay. However, widespread adoption of ERAS pathways is still yet to come, mainly because of the lack of proper information and communication. Purpose of this paper is to support the diffusion of ERAS pathways through a critical review of the existing evidence by members of the two national societies dealing with ERAS pathways in Italy, the PeriOperative Italian Society (POIS) and the Associazione Italiana Chirurghi Ospedalieri (ACOI), showing the results of a consensus development conference held at Matera, Italy, during the national ACOI Congress on June 10, 2019.


Assuntos
Cirurgia Colorretal , Consenso , Recuperação Pós-Cirúrgica Melhorada/normas , Sociedades Médicas , Comorbidade , Aconselhamento , Humanos , Itália , Cuidados Pré-Operatórios/métodos
4.
Clin. transl. oncol. (Print) ; 19(2): 189-196, feb. 2017. tab, graf
Artigo em Inglês | IBECS | ID: ibc-159451

RESUMO

Background. To assess the role of radiation dose intensification with simultaneous integrated boost guided by 18-FDG-PET/CT in pre-operative chemo-radiotherapy (ChT-RT) for locally advanced rectal cancer. Methods. A prospective study was approved by the Internal Review Board. Inclusion criteria were: age >18 years old, World Health Organization performance status of 0-1, locally advanced histologically proven adenocarcinoma of the rectum within 10 cm of the anal verge, signed specific informed consent. High-dose volumes were defined including the hyper-metabolic areas of 18-FDG-PET/CT of primary tumor and the corresponding mesorectum and/or pelvic nodes with at least a standardized uptake values (SUV) of 5. A dose of 60 Gy/30 fractions was delivered. A total dose of 54 Gy/30 fractions was delivered to prophylactic areas. Capecitabine was administered concomitantly with RT for a dose of 825 mg/mq twice daily for 5 days/every week. Results. Between September 2011 and July 2015 fortypatients were recruited. At the time of the analysis, median follow up was 20 months (range 5-51). The median interval from the end of ChT-RT to surgery was 9 weeks (range 8-12). Thirty-seven patients (92.5 %) were submitted to sphincter preservation. Tumor Regression Grade (Mandard scale) was recorded as follows: grade 1 in 7 (17.5 %), grade 2 in 17 (42.5 %), grade 3 in 15 (37.5 %) and grade 4 in 1 (2.5 %). Post-surgical circumferential resection margin was negative in all patients. A tumor downstaging was reported in 62.5 % (95 % CI: 0.78-0.47). A nodes downstaging was registered in 85 % (95 % CI: 0.55-0.25). 18-FDG-PET/CT was not able to predict pCR. No correlation was found between pre-treatment SUV-max values and pCR. A metabolic tumor volume >127 cc was related to ypT ≥2 (p 0.01). Patients with TRG >2 had higher tumor lesion glycolysis values (p 0.05). Conclusion. Preliminary results did not confirm some advantages in terms of primary tumor downstaging/downsizing compared to conventional schedules reported in historical series. The role of 18-FDG-PET/CT in neoadjuvant rectal cancer management needs to be confirmed in further investigations. Long terms results are necessary (AU)


No disponible


Assuntos
Humanos , Masculino , Feminino , Neoplasias Retais/tratamento farmacológico , Neoplasias Retais/radioterapia , Período Pré-Operatório , Fluordesoxiglucose F18/administração & dosagem , Quimiorradioterapia/instrumentação , Quimiorradioterapia/métodos , Quimiorradioterapia , Doses de Radiação , Estudos Prospectivos , Tomografia por Emissão de Pósitrons/instrumentação , Tomografia por Emissão de Pósitrons/métodos
5.
Clin Transl Oncol ; 19(2): 189-196, 2017 Feb.
Artigo em Inglês | MEDLINE | ID: mdl-27271749

RESUMO

BACKGROUND: To assess the role of radiation dose intensification with simultaneous integrated boost guided by 18-FDG-PET/CT in pre-operative chemo-radiotherapy (ChT-RT) for locally advanced rectal cancer. METHODS: A prospective study was approved by the Internal Review Board. Inclusion criteria were: age >18 years old, World Health Organization performance status of 0-1, locally advanced histologically proven adenocarcinoma of the rectum within 10 cm of the anal verge, signed specific informed consent. High-dose volumes were defined including the hyper-metabolic areas of 18-FDG-PET/CT of primary tumor and the corresponding mesorectum and/or pelvic nodes with at least a standardized uptake values (SUV) of 5. A dose of 60 Gy/30 fractions was delivered. A total dose of 54 Gy/30 fractions was delivered to prophylactic areas. Capecitabine was administered concomitantly with RT for a dose of 825 mg/mq twice daily for 5 days/every week. RESULTS: Between September 2011 and July 2015 fortypatients were recruited. At the time of the analysis, median follow up was 20 months (range 5-51). The median interval from the end of ChT-RT to surgery was 9 weeks (range 8-12). Thirty-seven patients (92.5 %) were submitted to sphincter preservation. Tumor Regression Grade (Mandard scale) was recorded as follows: grade 1 in 7 (17.5 %), grade 2 in 17 (42.5 %), grade 3 in 15 (37.5 %) and grade 4 in 1 (2.5 %). Post-surgical circumferential resection margin was negative in all patients. A tumor downstaging was reported in 62.5 % (95 % CI: 0.78-0.47). A nodes downstaging was registered in 85 % (95 % CI: 0.55-0.25). 18-FDG-PET/CT was not able to predict pCR. No correlation was found between pre-treatment SUV-max values and pCR. A metabolic tumor volume >127 cc was related to ypT ≥2 (p 0.01). Patients with TRG >2 had higher tumor lesion glycolysis values (p 0.05). CONCLUSION: Preliminary results did not confirm some advantages in terms of primary tumor downstaging/downsizing compared to conventional schedules reported in historical series. The role of 18-FDG-PET/CT in neoadjuvant rectal cancer management needs to be confirmed in further investigations. Long terms results are necessary.


Assuntos
Adenocarcinoma/terapia , Protocolos de Quimioterapia Combinada Antineoplásica/uso terapêutico , Quimiorradioterapia , Neoplasias Retais/terapia , Adenocarcinoma/patologia , Idoso , Idoso de 80 Anos ou mais , Feminino , Fluordesoxiglucose F18 , Seguimentos , Humanos , Masculino , Pessoa de Meia-Idade , Estadiamento de Neoplasias , Tomografia por Emissão de Pósitrons combinada à Tomografia Computadorizada , Cuidados Pré-Operatórios , Prognóstico , Estudos Prospectivos , Compostos Radiofarmacêuticos , Dosagem Radioterapêutica , Neoplasias Retais/patologia
6.
HPB (Oxford) ; 18(2): 153-158, 2016 Feb.
Artigo em Inglês | MEDLINE | ID: mdl-26902134

RESUMO

BACKGROUND: Recent evidence has shown that enhanced recovery after surgery (ERAS) protocols decrease hospital stay following pancreaticoduodenectomy (PD). The aims of this study were to assess the feasibility and to evaluate the effect of introducing ERAS principles after PD in elderly patients. METHODS: Patients ≥75 years were defined as elderly. Comparison of postoperative outcome was performed between 22 elderly patients who underwent ERAS (elderly ERAS + patients) and a historical cohort of 66 elderly patients who underwent standard protocols (elderly ERAS-patients). RESULTS: The lowest adherence with ERAS among elderly patients was observed for starting a solid food diet within POD 4 (n = 7) and early drains removal (n = 2). The highest adherence was observed for post-operative glycemic control (n = 21), epidural analgesia (n = 21), mobilization (n = 20) and naso-gastric removal in POD 0 (n = 20). Post-operative outcomes did not differ between elderly ERAS+ and elderly ERAS- patients. In patients with an uneventful postoperative course, the median intention to discharge was earlier in elderly ERAS + patients as compared to the elderly ERAS- patients (4 days versus 8 days, P < 0.001). CONCLUSION: An ERAS protocol following PD seems to be feasible and safe among elderly although it is not associated with improved postoperative outcomes.


Assuntos
Pancreaticoduodenectomia/reabilitação , Cuidados Pós-Operatórios/métodos , Fatores Etários , Idoso , Idoso de 80 Anos ou mais , Feminino , Fidelidade a Diretrizes , Estudo Historicamente Controlado , Humanos , Tempo de Internação , Masculino , Pancreaticoduodenectomia/efeitos adversos , Pancreaticoduodenectomia/normas , Alta do Paciente , Cuidados Pós-Operatórios/efeitos adversos , Cuidados Pós-Operatórios/normas , Complicações Pós-Operatórias/etiologia , Complicações Pós-Operatórias/terapia , Guias de Prática Clínica como Assunto , Recuperação de Função Fisiológica , Estudos Retrospectivos , Fatores de Risco , Fatores de Tempo , Resultado do Tratamento
8.
Updates Surg ; 64(2): 145-8, 2012 Jun.
Artigo em Inglês | MEDLINE | ID: mdl-22539094

RESUMO

Many surgeons have attempted to reduce the number and the size of ports in laparoscopic cholecystectomy to decrease parietal trauma and pain, and to improve cosmetic results. We report a series of laparoscopic cholecystectomies using a single-port technique (SILS) through an umbilical incision in a pilot group of 21 cases. Our goal was to validate and develop the single-port access as a viable option. All the operations were performed using an umbilical SILS port (Ethicon). Most reported techniques utilize special purpose-made instruments. This article provides a stepwise description of the procedure using all straight instruments. No special reticulating instruments or flexible telescopes were used. We report our early difficulties and concerns about the procedure and propose solutions to the problems. Patients' request for improved cosmesis impels surgeons toward the application of SILS, but the true advantage of the technique should be assessed by more evidences. For this reason, we are planning a single-institution, prospective randomized controlled trial to compare postoperative pain, operating time and cosmetic result between one port and standard laparoscopic surgery.


Assuntos
Colecistectomia Laparoscópica/métodos , Colecistolitíase/cirurgia , Umbigo , Adolescente , Adulto , Colecistectomia Laparoscópica/instrumentação , Feminino , Humanos , Tempo de Internação , Masculino , Pessoa de Meia-Idade , Projetos Piloto , Fatores de Tempo , Resultado do Tratamento
9.
G Ital Dermatol Venereol ; 146(1): 47-52, 2011 Feb.
Artigo em Inglês | MEDLINE | ID: mdl-21317856

RESUMO

AIM: Psoriasis is a chronic immune-mediated inflammatory skin disorder affecting approximately 2% of the population worldwide. Because of its visible manifestations and symptoms, psoriasis has profound effects on quality of life (QoL). Our objective is to determine the clinical severity of psoriasis and its impact on QoL in patients treated with phototherapy, traditional systemic therapy and biological therapy. METHODS: Patients with plaque-type psoriasis and psoriatic arthritis were recruited at a PsoCare centre and followed up for 6 months. Psoriasis severity was assessed based on the Psoriasis Area and Severity Index (PASI) score and QoL using the SKINDEX-29 questionnaire. RESULTS: PASI score improved significantly in all patients after 6 months of therapy. The greatest improvement was observed in patients receiving biological treatments. PASI-75 was obtained by 46.9% of patients on phototherapy and 43.1% on biological therapies. Skindex-29 results did not significantly differ among the three treatment groups. CONCLUSION: Effective management of patients with psoriasis depends on the appropriate assessment of both the physical and psychosocial impact of the disease.


Assuntos
Anticorpos Monoclonais/uso terapêutico , Fármacos Dermatológicos/uso terapêutico , Imunossupressores/uso terapêutico , Terapia PUVA , Psoríase/tratamento farmacológico , Índice de Gravidade de Doença , Acitretina/uso terapêutico , Adalimumab , Adulto , Anticorpos Monoclonais Humanizados , Ciclosporina/uso terapêutico , Autoavaliação Diagnóstica , Emoções , Etanercepte , Feminino , Ácido Fólico/uso terapêutico , Humanos , Imunoglobulina G/uso terapêutico , Infliximab , Relações Interpessoais , Masculino , Metotrexato/uso terapêutico , Pessoa de Meia-Idade , Psoríase/patologia , Psoríase/psicologia , Qualidade de Vida , Receptores do Fator de Necrose Tumoral/uso terapêutico , Inquéritos e Questionários , Resultado do Tratamento
10.
Abdom Imaging ; 35(4): 414-21, 2010 Aug.
Artigo em Inglês | MEDLINE | ID: mdl-19568808

RESUMO

BACKGROUND: The purpose of the study was to compare the accuracy of double-contrast barium enema (DCBE) and magnetic resonance imaging (MRI) in the diagnosis of intestinal endometriosis using the histological examination on resected specimen as comparative standard. METHODS: Eighty-three consecutive patients with suspected intestinal endometriosis, resected between 2005 and 2007, were prospectively evaluated. All of the women underwent preoperative DCBE and MRI on the same day. We evaluated number, site (rectum, sigmoid, cecum), and size of the lesions. The imaging findings were correlated with those resulting at pathology. RESULTS: Among the 65 women who underwent surgery, 50/65 (76.9%) were found to have bowel endometriosis, with 9/50 (18%) patients presenting two lesions; DCBE allowed to detect 50/59 (84.7%) lesions. MRI allowed to detect 42/59 (71.1%) lesions. DCBE showed sensibility, specificity, PPV, NPV, and accuracy of respectively 84.7, 93.7, 98.0, 62.5, and 86.6%, MRI of 71.1, 83.3, 93.3, 46.8, and 74.6%. CONCLUSION: DCBE is more accurate than unenhanced MRI in the diagnosis of bowel endometriosis, and should be preferred in the preoperative management of this disease, since it usually enables a proper surgical planning.


Assuntos
Sulfato de Bário , Doenças do Colo/diagnóstico , Meios de Contraste , Endometriose/diagnóstico , Imageamento por Ressonância Magnética , Tomografia Computadorizada por Raios X , Adulto , Doenças do Colo/diagnóstico por imagem , Doenças do Colo/patologia , Endometriose/diagnóstico por imagem , Endometriose/patologia , Enema , Feminino , Humanos , Valor Preditivo dos Testes , Doenças Retais/diagnóstico , Doenças Retais/diagnóstico por imagem , Doenças Retais/patologia , Sensibilidade e Especificidade , Adulto Jovem
11.
Hum Reprod ; 24(7): 1619-25, 2009 Jul.
Artigo em Inglês | MEDLINE | ID: mdl-19357136

RESUMO

BACKGROUND: The purpose of the study was to determine the influence of bowel endometriosis on fertility, and to study whether its removal improves fecundity in women with endometriosis-associated infertility. METHODS: Three groups of infertile patients were included in the study. Group A (60 women) consisted of patients who underwent surgery for endometriosis with colorectal segmental resection. In group B, 40 patients with evidence of bowel endometriosis underwent endometriosis removal without bowel resection. Group C consisted of 55 women who underwent surgery for moderate or severe endometriosis with at least one endometrioma and deep infiltrating endometriosis but without bowel involvement. The women were clinically evaluated before laparoscopy and then at 1 month, at 6 months and at each year up to 4 years after surgery. Main outcome measures were surgical complications as well as post-operative pregnancy rate, time to conception and monthly fecundity rate. RESULTS: The monthly fecundity rates (MFR) in groups A, B and C were 2.3, 0.84 and 3.95%, respectively. The difference in the MFR between groups was significant (P < 0.05). CONCLUSIONS: The presence of bowel infiltration by endometriosis seems to negatively influence the reproductive outcome in women with endometriosis-associated infertility. The complete removal of endometriosis with bowel segmental resection seems to offer better results in terms of post-operative fertility.


Assuntos
Endometriose/cirurgia , Infertilidade Feminina/cirurgia , Intestinos/cirurgia , Laparoscopia/métodos , Endometriose/complicações , Feminino , Fertilidade , Seguimentos , Humanos , Infertilidade Feminina/complicações , Infertilidade Masculina , Masculino , Gravidez , Resultado da Gravidez , Estudos Prospectivos , Fatores de Tempo , Resultado do Tratamento
13.
Hum Reprod ; 21(3): 774-81, 2006 Mar.
Artigo em Inglês | MEDLINE | ID: mdl-16449312

RESUMO

BACKGROUND: Little is known about the morbidity associated with laparoscopic complete excision of endometriosis in terms of urinary, digestive and sexual function. METHODS: We performed a prospective non-randomized study in 45 patients with laparoscopic complete excision of all detectable foci of endometriosis with segmental bowel resection using a non nerve-sparing technique (control group-group A n=20) and a nerve-sparing technique (case group-group B n=25). At initial gynaecological evaluation, and at follow-up details on dysmenorrhoea, pelvic pain, dyspareunia and dyschezia were evaluated using an interview-based questionnaire (10-point analogue rating scale: 0=absent, 10=unbearable). RESULTS: The mean (+/-SD) follow-up period was 15.3+/-10 months (range, 8.8-23 months) for group A and 3.5+/-2.1 months (range, 0.3-5.2 months) for group B. In the immediate postoperative course, in group A three women required blood transfusion vs seven women in group B (P=0.003). The median time to resume the voiding function was significantly shorter in group B (12.5 vs 3.0 days; P<0.01). At the time of follow-up a higher proportion of patients in group B were 'very satisfied' than those in group A (87.7% vs 59.0%, P=0.013). CONCLUSIONS: Laparoscopic nerve-sparing complete excision of endometriosis seems to be feasible and offers good results in terms of bladder morbidity reduction with apparently higher satisfaction than classical technique. Larger series with longer follow-up are needed to confirm our results.


Assuntos
Endometriose/cirurgia , Endométrio/inervação , Laparoscopia/métodos , Adulto , Endometriose/patologia , Endométrio/patologia , Estudos de Viabilidade , Feminino , Humanos , Dor Pós-Operatória , Reoperação , Nervos Esplâncnicos/patologia , Inquéritos e Questionários , Resultado do Tratamento
16.
Prev Vet Med ; 69(3-4): 163-73, 2005 Jul 12.
Artigo em Inglês | MEDLINE | ID: mdl-15907567

RESUMO

Routine examination of milk was performed on five herds of lactating goats in northern Italy as part of a milk quality-monitoring program in the year 2000. As part of the study, aseptic samples of foremilk were collected monthly from both half udders during the entire lactation for 305 goats, resulting in a total of 4571 samples. The samples were tested with cytological and bacteriological analyses to evaluate the relationship between mammary infections and somatic-cell count (SCC; Fossomatic (TM) method). Prevalence of intramammary infection (IMI) was 40.2% (n = 1837) of all udder-half samples examined. The most-prevalent mastitis agents were coagulase-negative Staphylococci (CNS), 80% (n = 1474 udder-half samples); within this group, Staphylococcus epidermidis was the most-prevalent species (38%). Other prevalence were Staphylococcus aureus 6% (n = 112 udder-half samples) and environmental pathogens 14% of infected udder-half samples (n = 251) with a diverse mixture of species, none of which had a frequency of > 4%. Enterococcus faecalis was the most-frequently isolated among this group. Neither Salmonella spp. nor Listeria monocytogenes were detected. The risk (sample level) of infection differed across herds, parities, and stage of lactation according to results from logistic multiple regression. Infection was more common among goats in third and fourth parities and during the later stages of lactation. Of the 2734 samples from uninfected udder halves, the mean log2 SCC was 3.9 cell/ml; of the 1837 bacteriological positive samples, the mean log2 SCC was 5.6 cell/ml. According to results from a linear mixed model, concentrations of somatic cells tended to increase with increasing age and days in milk and with the presence of bacteria. Infection with S. aureus was associated with the highest SCS.


Assuntos
Doenças das Cabras/microbiologia , Mastite/veterinária , Leite/citologia , Leite/microbiologia , Infecções Estafilocócicas/veterinária , Staphylococcus/isolamento & purificação , Animais , Contagem de Células/veterinária , Contagem de Colônia Microbiana/veterinária , Feminino , Doenças das Cabras/epidemiologia , Doenças das Cabras/patologia , Cabras , Itália/epidemiologia , Lactação , Mastite/epidemiologia , Mastite/microbiologia , Mastite/patologia , Prevalência , Fatores de Risco , Infecções Estafilocócicas/epidemiologia , Infecções Estafilocócicas/microbiologia , Infecções Estafilocócicas/patologia , Staphylococcus/crescimento & desenvolvimento
17.
J Dairy Sci ; 88(5): 1694-704, 2005 May.
Artigo em Inglês | MEDLINE | ID: mdl-15829660

RESUMO

A total of 156 goats from 2 commercial dairy goat farms were monitored for intramammary infections during an entire lactation. Most of the infections (80.7%) observed were due to coagulase-negative staphylococci (CNS) species. In herd 1, nearly all of the infections (96%) were due to CNS species, with Staphylococcus caprae (SCAP) being the most common specific pathogen observed, accounting for about 43% of the infections. In herd 2, the proportion of the infections due to CNS was 67% and Staphylococcus epidermidis (SEPI) was the most common pathogen (48% of infections) and SCAP was not present. Linear somatic cell scores (SCS) were greater in milk from infected udder halves, with an average difference of 0.78 SCS. The SCS for infected udder halves was greater than noninfected for all CNS species, although differences among species were observed. The ranking across CNS species was SCAP > other CNS > SEPI > no infection. However, infections by SEPI tended to be more persistent. Increased SCS was associated with a statistically significant decrease in milk yield, but no effect was observed for intramammary infections (IMI). Ninety-seven isolates of CNS (53 SCAP and 44 SEPI) were investigated for in vitro susceptibility to several antimicrobial agents. Benzylpenicillin was the most effective antimicrobial agent against SCAP and SEPI. A concentration of 0.05 microg/mL was sufficient to inhibit growth of 90% of SCAP colonies, and 0.10 microg/mL yielded a similar effectiveness for SEPI. Amoxicillin and the combination of amoxicillin and clavulanic acid were only slightly less effective. Tetracycline (62.5 microg/mL) and tilmicosin (500 microg/mL) were the least effective treatments for SEPI and SCAP, respectively.


Assuntos
Antibacterianos/farmacologia , Doenças das Cabras/microbiologia , Mastite/veterinária , Infecções Estafilocócicas/tratamento farmacológico , Staphylococcus/efeitos dos fármacos , Amoxicilina/farmacologia , Animais , Contagem de Células , Ácido Clavulânico/farmacologia , Feminino , Doenças das Cabras/epidemiologia , Cabras , Mastite/epidemiologia , Mastite/microbiologia , Testes de Sensibilidade Microbiana , Leite/citologia , Leite/microbiologia , Penicilina G/farmacologia , Staphylococcus/isolamento & purificação , Staphylococcus epidermidis/efeitos dos fármacos , Staphylococcus epidermidis/isolamento & purificação
18.
Vet Microbiol ; 83(3): 265-74, 2001 Nov 26.
Artigo em Inglês | MEDLINE | ID: mdl-11574174

RESUMO

The genetic variation of bovine viral diarrhoea virus (BVDV) was studied by comparative nucleotide sequence analysis of 26 Italian field strains collected during the period 1995-2000 in 18 cattle herds. A fragment within the 5'-untranslated region (UTR) was sequenced directly from gel-purified products obtained by reverse transcription polymerase chain reaction. BVDV-1b (n=14), -1c (n=1), -1d (n=1) and BVDV-2 (n=2) strains have been isolated. Most herds were infected by BVDV-1b. Pairwise similarity and cluster analysis of the remaining BVDV-1 isolates (n=8) did not provide a clear-cut assignation to defined BVDV-1 groups. This is the first time that a BVDV-2 isolation was reported in Italy. Among BVDV-2 reference strains, Italian BVDV-2 isolates showed the highest sequence similarity with the CD87 strain. Both BVDV-2 strains were isolated in two healthy animals from different herds. The 5'-UTR sequence of one of the two BVDV-2 strains was identical to a German BVDV field strain. Complete nucleotide homology was found only among BVDV strains isolated from the same herd, showing a herd-specific clustering. Moreover, 99.6% homology was observed between strains from herds linked by livestock trade. Despite the small number of BVDV isolates analysed, it revealed a high level of genetic diversity among Italian field BVDV strains.


Assuntos
Doença das Mucosas por Vírus da Diarreia Viral Bovina/epidemiologia , Vírus da Diarreia Viral Bovina/classificação , Vírus da Diarreia Viral Bovina/genética , Variação Genética , Regiões 5' não Traduzidas/química , Regiões 5' não Traduzidas/genética , Animais , Sequência de Bases , Doença das Mucosas por Vírus da Diarreia Viral Bovina/virologia , Bovinos , Análise por Conglomerados , DNA Complementar/química , Vírus da Diarreia Viral Bovina Tipo 1/classificação , Vírus da Diarreia Viral Bovina Tipo 1/genética , Vírus da Diarreia Viral Bovina Tipo 2/classificação , Vírus da Diarreia Viral Bovina Tipo 2/genética , Genótipo , Itália/epidemiologia , Dados de Sequência Molecular , Filogenia , Reação em Cadeia da Polimerase Via Transcriptase Reversa/veterinária , Homologia de Sequência do Ácido Nucleico
19.
J Dairy Sci ; 80(11): 3058-63, 1997 Nov.
Artigo em Inglês | MEDLINE | ID: mdl-9406099

RESUMO

The identification of cows that are positive for mastitis caused by Staphylococcus aureus is difficult under field conditions. The frequency of isolation of S. aureus from quarter milk samples was compared with the frequency of recovery of S. aureus from sediment after centrifugation of those same samples. Overall, 776 quarter milk samples from 194 cows were studied. Cultures that were positive for S. aureus were obtained from 82 samples; 153 sediments from quarter milk samples were also positive for S. aureus. The results of this investigation showed that cultures of the sediment of quarter milk samples increased the number of positive outcomes up to 145.5%, depending on the herd. Using a different group of samples, including samples taken 1 to 5 d or 7 to 10 d after calving and samples taken after intramammary therapy, a 94% increase in cultures that were positive for S. aureus after centrifugation was found compared with cultures of the same quarter milk samples that were not centrifuged. Sedimented cultures may be useful in S. aureus control programs that require the segregation, selective treatment, or culling of cows that are positive for S. aureus.


Assuntos
Mastite Bovina/diagnóstico , Leite/microbiologia , Infecções Estafilocócicas/diagnóstico , Staphylococcus aureus/isolamento & purificação , Animais , Bovinos , Centrifugação , Feminino , Mastite Bovina/microbiologia
20.
J Dairy Res ; 63(3): 361-8, 1996 Aug.
Artigo em Inglês | MEDLINE | ID: mdl-8864932

RESUMO

The aim of this study was to describe the results of teat thickness measurement applied routinely in three commercial dairy herds and to evaluate the influence of machine-induced teat thickness changes on intramammary infection and the frequency of new infection. A total of 1018 fore milk samples and the same number of teat apex measurements have been evaluated. Overall, relative teat thickness changes were normally distributed (mean -0.16%, SD 10.15%), while a specific pattern could be observed within herds. Increases in teat thickness of > 5% were significantly associated with infection and new infection (odds ratio > 1), but the association was not significant when teat thickness decreased by more than 5%. When results were classified according to aetiology, analysis showed that coagulase-negative staphylococcal infections were significantly associated with both increases and decreases in teat thickness numerically greater than 5%.


Assuntos
Glândulas Mamárias Animais/microbiologia , Glândulas Mamárias Animais/patologia , Mastite Bovina/patologia , Infecções Estafilocócicas/veterinária , Infecções Estreptocócicas/veterinária , Animais , Bovinos , Indústria de Laticínios/instrumentação , Feminino , Infecções Estafilocócicas/patologia , Infecções Estreptocócicas/patologia
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