ABSTRACT
OBJECTIVE: to evaluate the renal toxicity caused by tacrolimus and mycophenolate mofetil (MMF) in a single kidney ischemia and reperfusion model. METHOD: experimental study using Wistar rats, submitted to right nephrectomy and left renal ischemia for 20 minutes, separated into groups in the postoperative period (PO): 1) Control (nonoperated); 2) Sham (operated, without PO drug); 3) TAC0.1, TAC1 and TAC10, tacrolimus administered PO at doses of 0.1mg/kg, 1mg/kg and 10mg/kg via gavage, respectively; 4) MMF, administered mycophenolate mofetil 20mg/kg; 5) MMF/TAC1 and MMF/TAC0.5, with an association of mycophenolate mofetil 20mg/kg and tacrolimus 1mg/kg and 0.5mg/kg, respectively. They were killed on the 14th PO and the kidney was removed for tissue oxidative stress analysis, by the dosage of reduced glutathione (GSH), lipoperoxidation (LPO) and protein carbonylation (PCO), and histological analysis by glomerular stereology (Glomerular volume density, Numerical density glomerular and mean glomerular volume). Renal function was evaluated by the measurement of serum creatinine and urea. RESULTS: both drugs caused alterations in renal function, and the toxicity of tacrolimus was dose-dependent. Subacute toxicity did not show significant glomerular histological changes, and there was renal and compensatory glomerular hypertrophy in all groups except TAC10. CONCLUSION: Both drugs cause changes in renal function. Glomerular morphometry and stereology showed negative interference of immunosuppressants during compensatory glomerular hypertrophy.
Subject(s)
Mycophenolic Acid , Tacrolimus , Animals , Hypertrophy/complications , Hypertrophy/metabolism , Immunosuppressive Agents/toxicity , Ischemia/chemically induced , Ischemia/complications , Kidney , Mycophenolic Acid/metabolism , Rats , Rats, Wistar , Reperfusion , Tacrolimus/toxicityABSTRACT
ABSTRACT Objective: to evaluate the renal toxicity caused by tacrolimus and mycophenolate mofetil (MMF) in a single kidney ischemia and reperfusion model. Method: experimental study using Wistar rats, submitted to right nephrectomy and left renal ischemia for 20 minutes, separated into groups in the postoperative period (PO): 1) Control (nonoperated); 2) Sham (operated, without PO drug); 3) TAC0.1, TAC1 and TAC10, tacrolimus administered PO at doses of 0.1mg/kg, 1mg/kg and 10mg/kg via gavage, respectively; 4) MMF, administered mycophenolate mofetil 20mg/kg; 5) MMF/TAC1 and MMF/TAC0.5, with an association of mycophenolate mofetil 20mg/kg and tacrolimus 1mg/kg and 0.5mg/kg, respectively. They were killed on the 14th PO and the kidney was removed for tissue oxidative stress analysis, by the dosage of reduced glutathione (GSH), lipoperoxidation (LPO) and protein carbonylation (PCO), and histological analysis by glomerular stereology (Glomerular volume density, Numerical density glomerular and mean glomerular volume). Renal function was evaluated by the measurement of serum creatinine and urea. Results: both drugs caused alterations in renal function, and the toxicity of tacrolimus was dose-dependent. Subacute toxicity did not show significant glomerular histological changes, and there was renal and compensatory glomerular hypertrophy in all groups except TAC10. Conclusion: Both drugs cause changes in renal function. Glomerular morphometry and stereology showed negative interference of immunosuppressants during compensatory glomerular hypertrophy.
RESUMO Objetivo: avaliar a toxicidade renal causada pelo tacrolimus e micofenolato mofetil (MMF) em um modelo de isquemia e reperfusão de rim único. Método: estudo experimental utilizando ratos Wistar, submetidos á nefrectomia direita e isquemia renal esquerda por 20 minutos, separados em grupos no pós- operatório (PO): 1) Controle (não operados); 2) Sham (operados, sem droga PO); 3) TAC0.1, TAC1 e TAC10, administrado tacrolimus no PO nas doses 0,1mg/kg, 1mg/kg e 10mg/kg via gavagem, respectivamentae; 4) MMF, administrado micofenolato mofetil 20mg/kg; 5) MMF/TAC1 e MMF/TAC0.5, com associação de micofenolato mofetil 20mg/kg e tacrolimus 1mg/kg e 0,5mg/kg, respectivamente. Foram mortos no 14º PO e retirado rim para análise do estresse oxidativo tecidual, pela dosagem de glutationa reduzida (GSH), lipoperoxidação (LPO) e carbonilação de proteínas (PCO), e análise histológica por estereologia glomerular (Densidade de volume glomerular, Densidade numérica glomerular e Volume glomerular médio). Foi avaliada função renal pela dosagem de creatinina e uréia séricas. Resultados: ambas drogas provocaram alteração na função renal, sendo a toxicidade do tacrolimus dosedependente. A toxicidade subaguda não mostrou alterações histológicas glomerulares significativas, sendo que houve hipertrofia renal e glomerular compensatória em todos os grupos exceto em TAC10. Conclusão: Ambas drogas provocam alteração na função renal. A morfometria e a estereologia glomerular mostraram interferência negativa dos imunossupressores durante a hipertrofia glomerular compensatória..
ABSTRACT
PURPOSE: Perineal urethrostomy (PU) is often the definitive form of urinary diversion in patients with locally-advanced or anatomically unfavorable penile cancer (PC) requiring total penectomy. Here, we report post-operative PU-related complications and PU stenosis rates after total penectomy with PU in a large multicenter cohort of PC patients. METHODS: We retrospectively reviewed the medical records of 299 patients who underwent PU as a means of urinary diversion for primary PC across seven international centers from 2000 to 2020. The Clavien-Dindo grading system was used to record 30-day post-operative complications. Cumulative incidence of stenosis was evaluated using the Kaplan-Meier method. RESULTS: Median patient age was 67 years (interquartile range (IQR) 58-74), and median follow-up was 19 months (IQR 7.2-57). A total of 58 patients (19%) developed a 30-day post-operative complication, of which 45 (79%) were deemed minor (CD Grade I and II). Wound infection (11%; CD grade I-III) and dehiscence (4.0%; CD grade I-III) were the more common complications. The overall incidence of stenosis was 12% (35/299 patients), of which 26 (74%) needed surgical revision (probability of stenosis revision at one year of 9.3%, median time until the revision: 6.1 months (IQR 3.0-13)). Only two stenoses were seen after two years of follow-up. CONCLUSION: We present the most extensive series of PU in the management of PC to date. Wound infections of the primary surgical site were the most common complication. Stenosis occurred mostly within one and a half years after treatment.
Subject(s)
Orchiectomy/adverse effects , Penile Neoplasms/surgery , Penis/surgery , Perineum/surgery , Postoperative Complications/etiology , Urologic Surgical Procedures, Male/adverse effects , Aged , Follow-Up Studies , Humans , International Agencies , Male , Middle Aged , Penile Neoplasms/pathology , Penis/pathology , Postoperative Complications/pathology , Prognosis , Retrospective StudiesABSTRACT
OBJECTIVE: To gather information on penile cancer epidemiologic trends and its economic impact on the Brazilian Public Health System across the last 25 years. METHODS: The Brazilian Public Health System database was used as the primary source of data from January 1992 to December 2017. Mortality and incidence data from the Instituto Nacional de Câncer José Alencar Gomes da Silva was collected using the International Classification of Diseases ICD10 C60. Demographic data from the Brazilian population was obtained from the last census by the Brazilian Institute of Geography and Statistics, performed in 2010 and its 2017 review. RESULTS: There were 9,743 hospital admissions related to penile cancer from 1992 to 2017. There was a reduction (36%) in the absolute number of admissions per year related to penile cancer in 2017, as compared to 1992 (2.7versus 1.7 per 100,000; p<0.001). The expenses with admissions related to this condition in this period were US$ 3,002,705.73 (US$ 115,488.68/year). Approximately 38% of the total amount was spent in Northeast Region. In 1992, penile cancer costed US$ 193,502.05 to the public health system, while in 2017, it reduced to US$ 47,078.66 (p<0.02). Penile cancer incidence in 2017 was 0.43/100,000 male Brazilian, with the highest incidence rate found in the Northeast Region. From 1992 to 2017, the mortality rates of penile cancer in Brazil were 0.38/100,000 man, and 0.50/100,000 man in the North Region. CONCLUSION: Despite the decrease in admissions, penile cancer still imposes a significant economic and social burden to the Brazilian population and the Public Health System.
Subject(s)
Carcinoma, Squamous Cell/psychology , Cost of Illness , Hospitalization/statistics & numerical data , Penile Neoplasms/psychology , Adult , Aged , Aged, 80 and over , Brazil/epidemiology , Carcinoma, Squamous Cell/mortality , Carcinoma, Squamous Cell/pathology , Costs and Cost Analysis , Hospitalization/economics , Humans , Incidence , Male , Middle Aged , Penile Neoplasms/mortality , Penile Neoplasms/pathology , Public HealthSubject(s)
Lower Urinary Tract Symptoms/surgery , Minimally Invasive Surgical Procedures/methods , Prostatic Hyperplasia/complications , Urologic Surgical Procedures/methods , Aged , Humans , Lower Urinary Tract Symptoms/etiology , Male , Minimally Invasive Surgical Procedures/adverse effects , Prostheses and Implants , Treatment Outcome , Urethra/surgery , Urologic Surgical Procedures/adverse effectsABSTRACT
ABSTRACT Objective: To gather information on penile cancer epidemiologic trends and its economic impact on the Brazilian Public Health System across the last 25 years. Methods: The Brazilian Public Health System database was used as the primary source of data from January 1992 to December 2017. Mortality and incidence data from the Instituto Nacional de Câncer José Alencar Gomes da Silva was collected using the International Classification of Diseases ICD10 C60. Demographic data from the Brazilian population was obtained from the last census by the Brazilian Institute of Geography and Statistics, performed in 2010 and its 2017 review. Results: There were 9,743 hospital admissions related to penile cancer from 1992 to 2017. There was a reduction (36%) in the absolute number of admissions per year related to penile cancer in 2017, as compared to 1992 (2.7versus 1.7 per 100,000; p<0.001). The expenses with admissions related to this condition in this period were US$ 3,002,705.73 (US$ 115,488.68/year). Approximately 38% of the total amount was spent in Northeast Region. In 1992, penile cancer costed US$ 193,502.05 to the public health system, while in 2017, it reduced to US$ 47,078.66 (p<0.02). Penile cancer incidence in 2017 was 0.43/100,000 male Brazilian, with the highest incidence rate found in the Northeast Region. From 1992 to 2017, the mortality rates of penile cancer in Brazil were 0.38/100,000 man, and 0.50/100,000 man in the North Region. Conclusion: Despite the decrease in admissions, penile cancer still imposes a significant economic and social burden to the Brazilian population and the Public Health System.
RESUMO Objetivo: Reunir informações sobre as tendências epidemiológicas do câncer de pênis e seu impacto econômico no Sistema Único de Saúde nos últimos 25 anos. Métodos: O banco de dados de informações do Sistema Único de Saúde foi utilizado como fonte primária de dados de janeiro 1992 a dezembro 2017. Os dados demortalidade e incidência do Instituto Nacional de Câncer José Alencar Gomes da Silva foram coletados usando a Classificação Internacional de Doença CID10 C60. Os dados demográficos da população brasileira foram obtidos do último censo do Instituto Brasileiro de Geografia e Estatística, realizado em 2010, e em sua revisão, de 2017. Resultados: Ocorreram 9.743 internações relacionadas ao câncer de pênis de 1992 a 2017. Houve redução (36%) nas internações anuais absolutas em 2017 em comparação com 1992 (2,7 versus 1,7 por 100.000; p<0,001). Os gastos com internações neste período foram de US$ 3,002,705.73 (US$ 115,488.68/ano). Cerca de 38% do valor total foi gasto na Região Nordeste. Em 1992, o câncer de pênis custou US$ 193,502.05 ao sistema público, enquanto em 2017 reduziu para US$ 47,078.66 (p<0,02). A incidência em 2017 foi de 0,43/100.000 brasileiro do sexo masculino, com a maior taxa de incidência encontrada na Região Nordeste. De 1992 a 2017, as taxas de mortalidade por câncer de pênis foram de 0,38/100.000 homem, sendo 0,50/100.000 homem na Região Norte. Conclusão: Apesar da diminuição nas hospitalizações, o câncer de pênis ainda impõe uma carga econômica e social significativa à população brasileira e ao Sistema Único de Saúde.
Subject(s)
Humans , Male , Adult , Aged , Aged, 80 and over , Penile Neoplasms/psychology , Carcinoma, Squamous Cell/psychology , Cost of Illness , Hospitalization/statistics & numerical data , Penile Neoplasms/mortality , Penile Neoplasms/pathology , Brazil/epidemiology , Carcinoma, Squamous Cell/mortality , Carcinoma, Squamous Cell/pathology , Public Health , Incidence , Costs and Cost Analysis , Hospitalization/economics , Middle AgedABSTRACT
Renal fusion abnormalities are rare. Even more rare is pancake kidney. We present a case of a 28-year-old male with symptomatic obstruction of a non-functioning moiety of a pancake kidney. He underwent ureterectomy with a finding of only atretic renal parenchyma at exploration. He recovered well and had resolution of his pain at 3-month follow-up.
ABSTRACT
OBJECTIVE: to compare the frequency and the severity of diagnosed injuries between pedestrians struck by motor vehicles and victims of other blunt trauma mechanisms. METHODS: retrospective analysis of data from the Trauma Registry, including adult blunt trauma patients admitted from 2008 to 2010. We reviewed the mechanism of trauma, vital signs on admission and the injuries identified. Severity stratification was carried using RTS, AIS-90, ISS e TRISS. Patients were assigned into group A (pedestrians struck by motor vehicle) or B (victims of other mechanisms of blunt trauma). Variables were compared between groups. We considered p<0.05 as significant. RESULTS: a total of 5785 cases were included, and 1217 (21,0%) of which were in group A. Pedestrians struck by vehicles presented (p<0.05) higher mean age, mean heart rate upon admission, mean ISS and mean AIS in head, thorax, abdomen and extremities, as well as lower mean Glasgow coma scale, arterial blood pressure upon admission, RTS and TRISS. They also had a higher frequency of epidural hematomas, subdural hematomas, subarachnoid hemorrhage, brain swelling, cerebral contusions, costal fractures, pneumothorax, flail chest, pulmonary contusions, as well as pelvic, superior limbs and inferior limbs fractures. CONCLUSION: pedestrian struck by vehicles sustained intracranial, thoracic, abdominal and extremity injuries more frequently than victims of other blunt trauma mechanism as a group. They also presented worse physiologic and anatomic severity of the trauma.
Subject(s)
Accidents, Traffic , Wounds, Nonpenetrating/diagnosis , Wounds, Nonpenetrating/epidemiology , Adult , Humans , Injury Severity Score , Pedestrians , Retrospective StudiesABSTRACT
ABSTRACTObjective:to compare the frequency and the severity of diagnosed injuries between pedestrians struck by motor vehicles and victims of other blunt trauma mechanisms.Methods:retrospective analysis of data from the Trauma Registry, including adult blunt trauma patients admitted from 2008 to 2010. We reviewed the mechanism of trauma, vital signs on admission and the injuries identified. Severity stratification was carried using RTS, AIS-90, ISS e TRISS. Patients were assigned into group A (pedestrians struck by motor vehicle) or B (victims of other mechanisms of blunt trauma). Variables were compared between groups. We considered p<0.05 as significant.Results:a total of 5785 cases were included, and 1217 (21,0%) of which were in group A. Pedestrians struck by vehicles presented (p<0.05) higher mean age, mean heart rate upon admission, mean ISS and mean AIS in head, thorax, abdomen and extremities, as well as lower mean Glasgow coma scale, arterial blood pressure upon admission, RTS and TRISS. They also had a higher frequency of epidural hematomas, subdural hematomas, subarachnoid hemorrhage, brain swelling, cerebral contusions, costal fractures, pneumothorax, flail chest, pulmonary contusions, as well as pelvic, superior limbs and inferior limbs fractures.Conclusion:pedestrian struck by vehicles sustained intracranial, thoracic, abdominal and extremity injuries more frequently than victims of other blunt trauma mechanism as a group. They also presented worse physiologic and anatomic severity of the trauma.
RESUMOObjetivo:comparar, entre vítimas de atropelamento e de outros mecanismos de trauma fechado, a frequência e gravidade das lesões identificadas.Métodos:análise retrospectiva das informações do registro de trauma, incluindo as vítimas de trauma fechado, com idade superior a 13 anos de idade, admitidas entre 2008-2010. Avaliamos o mecanismo de trauma, dados vitais à admissão e lesões diagnosticadas. A estratificação de gravidade da amostra foi realizada pelos índices RTS, AIS-90, ISS e TRISS. As vítimas de trauma fechado foram separadas em dois grupos: Grupo A- pedestres vítimas de atropelamento; Grupo B- vítimas dos demais mecanismos de trauma fechado. As variáveis foram comparadas entre os dois grupos.Resultados:foram incluídos no estudo 5785 casos, sendo que, 1217 (21,0%) foram vítimas de atropelamento. Observamos que os traumatizados do grupo A apresentaram, significativamente (p<0,05), maior média etária, de frequência cardíaca à admissão, de ISS, de AIS no segmento cefálico, torácico, abdominal e em extremidades, bem como, menor média de escala de coma de Glasgow, pressão arterial sistólica a admissão, RTS e TRISS. As vítimas de atropelamento também apresentaram (p<0,05), maior frequência de hematomas extradurais, hematomas subdurais agudos, hemorragia subaracnoidea, Brain Swelling, contusão cerebral, lesão axonal difusa, fraturas de arcos costais, pneumotórax, tórax flácido, contusão pulmonar, bem como, fraturas de pelve, de membros superiores, inferiores e expostas de membros inferiores.Conclusão:as vítimas de atropelamento apresentam maior frequência e gravidade de lesões intracranianas, torácicas, abdominais e em extremidades quando comparadas às vítimas de outros mecanismos de trauma fechado em conjunto.
Subject(s)
Humans , Adult , Wounds, Nonpenetrating/diagnosis , Wounds, Nonpenetrating/epidemiology , Accidents, Traffic , Injury Severity Score , Retrospective Studies , PedestriansABSTRACT
PURPOSE: To evaluate bladder histology in healing and biochemical analysis of rats with single kidney in ischemia/reperfusion, treated with tacrolimus. METHODS: Fifty rats randomized into five groups. Three rats died in surgery, 47 rats divided in groups: Control (non-operated, n=10), Sham (operated without drugs, n=8), T1 (operated + tacrolimus 1mg/kg, n=10), T2 (operated + tacrolimus 0.1 mg/kg, n=10), T3 (operated + tacrolimus 10mg/kg, n=9). The surgery was: laparotomy, right nephrectomy, left kidney ischemia/reperfusion, cystotomy followed by bladder suture. After that, rats were submited to gavage daily (Control and Sham with saline solution. T1, T2, T3 with tacrolimus in doses already mentioned). On the 14th day, after death induction, cystectomy was performed and bladder was histologicaly analysed. The serum urea, creatinine and tacrolimus were analysed too. RESULTS: There was difference in serum tacrolimus in T3 compared to the other groups (p<0.05). There was higher doses of creatinine in T3 group and higher urea in groups with tacrolimus. There were significant differences among all histologic variables comparing groups with and without tacrolimus (p<0.05). CONCLUSION: Tacrolimus associated with ischemia/reperfusion is nephrotoxic, suppresses inflammation and seems to delay the healing bladder.
Subject(s)
Cicatrix/drug therapy , Immunosuppressive Agents/therapeutic use , Ischemia/complications , Kidney/blood supply , Tacrolimus/therapeutic use , Urinary Bladder/drug effects , Animals , Blood Urea Nitrogen , Cicatrix/pathology , Creatinine/blood , Immunosuppressive Agents/pharmacology , Male , Models, Animal , Nephrectomy , Random Allocation , Rats, Wistar , Reperfusion Injury/complications , Tacrolimus/pharmacology , Urinary Bladder/pathology , Wound Healing/drug effects , Wound Healing/physiologyABSTRACT
PURPOSE: To evaluate bladder histology in healing and biochemical analysis of rats with single kidney in ischemia/reperfusion, treated with tacrolimus. METHODS: Fifty rats randomized into five groups. Three rats died in surgery, 47 rats divided in groups: Control (non-operated, n=10), Sham (operated without drugs, n=8), T1 (operated + tacrolimus 1mg/kg, n=10), T2 (operated + tacrolimus 0.1 mg/kg, n=10), T3 (operated + tacrolimus 10mg/kg, n=9). The surgery was: laparotomy, right nephrectomy, left kidney ischemia/reperfusion, cystotomy followed by bladder suture. After that, rats were submited to gavage daily (Control and Sham with saline solution. T1, T2, T3 with tacrolimus in doses already mentioned). On the 14th day, after death induction, cystectomy was performed and bladder was histologicaly analysed. The serum urea, creatinine and tacrolimus were analysed too. RESULTS: There was difference in serum tacrolimus in T3 compared to the other groups (p<0.05). There was higher doses of creatinine in T3 group and higher urea in groups with tacrolimus. There were significant differences among all histologic variables comparing groups with and without tacrolimus (p<0.05). CONCLUSION: Tacrolimus associated with ischemia/reperfusion is nephrotoxic, suppresses inflammation and seems to delay the healing bladder. .
Subject(s)
Animals , Male , Cicatrix/drug therapy , Immunosuppressive Agents/therapeutic use , Ischemia/complications , Kidney/blood supply , Tacrolimus/therapeutic use , Urinary Bladder/drug effects , Blood Urea Nitrogen , Cicatrix/pathology , Creatinine/blood , Immunosuppressive Agents/pharmacology , Models, Animal , Nephrectomy , Random Allocation , Rats, Wistar , Reperfusion Injury/complications , Tacrolimus/pharmacology , Urinary Bladder/pathology , Wound Healing/drug effects , Wound Healing/physiologyABSTRACT
BACKGROUND AND AIMS: The prevalence of cholelithiasis in patients subjected to liver transplantation has not been evaluated yet. This study examines the prevalence of cholelithiasis in patients subjected to liver transplantation due to cirrhosis compared to an age- and sex-matched control group. METHODS: The electronic study protocols of 400 consecutive cirrhotic patients aged between 20 and 69 years who had undergone liver transplantation for cirrhosis were evaluated to determine the presence of gallstones. RESULTS: The overall prevalence of cholelithiasis was higher in transplant recipients (96 patients; 24%) than in controls (38 patients; 9.5%) (p<0.001). There was no increase in the prevalence of cholelithiasis with age in the transplant recipients (p=0.332). Conversely, the prevalence of cholelithiasis increased with age in the control group (p<0.001). There was no difference in the gallstone prevalence between sexes in the transplant recipient group (p=0.102). However, the gallstone prevalence was 2.2 times higher in females (14.8%) than in males (6.8%) in the control group (p=0.009). CONCLUSION: Prevalence of cholelithiasis is higher in patients subjected to liver transplantation for cirrhosis. In contrast with the general population, the prevalence of cholelithiasis in cirrhotic patients is similar in both sexes and does not increase with age.
