RESUMEN
Bacillus Calmette-Guerin (BCG) remains the only FDA-approved first-line therapy in patients with high-risk non-muscle invasive bladder cancer. Recurrences, even after adequate BCG therapy, are common and the efficacy of second-line therapies remains modest. Therefore, early identification of patients likely to recur and treatment after recurrence remain critical unmet needs in the clinical care of bladder cancer patients. To address these deficits, a better understanding of the mechanisms of resistance to BCG-therapy is needed. The virtual update of the International Bladder Cancer Network (IBCN) on the biology of response to BCG focused on potential mechanisms and markers of resistance to intravesical BCG therapy. The insights from this meeting will be highlighted and put into context of previously reported mechanisms of resistance to BCG in this review.
Asunto(s)
Neoplasias Vesicales sin Invasión Muscular , Neoplasias de la Vejiga Urinaria , Humanos , Adyuvantes Inmunológicos/uso terapéutico , Vacuna BCG/uso terapéutico , Inmunoterapia , Administración Intravesical , Neoplasias de la Vejiga Urinaria/tratamiento farmacológico , Biología , Invasividad Neoplásica , Recurrencia Local de Neoplasia/tratamiento farmacológicoRESUMEN
AIMS: To report our experience on surgical resection of renal tumors for patients with a history of chronic anticoagulation (ACT) or aspirin use. METHODS: We performed a retrospective analysis of 2473 patients who underwent surgery for renal tumors between 2005 and 2012. Prior to surgery, 172 were on chronic ACT and 695 on aspirin. Multivariable linear and logistic regression models were used to compare transfusion and overall complication rates between patients undergoing renal surgery who were on therapy to patients who were on aspirin and to patients with no therapy. RESULTS: Compared to no therapy and aspirin patients those on ACT were older (57.3 (IQR 48.4-66.10) vs 63.9, (IQR 57.3-71.5) vs 68.4, (IQR 60.4-73.5); p < 0.001), with a higher percentage having an ASA score of 3 or 4 (42.4 vs 57.9 vs 82.6%; p < 0.001), respectively. ACT patients had a higher 30-day transfusion rate, 22.7% vs 7.6% vs 6.9%, and 90-day complication rate, 17.4% vs 7.2% vs 7.3%, both p < 0.001. The median length of stay differed statistically between groups (p < 0.001), with a modest longer stay in the anticoagulation group (OR 1.11 SE 0.26; p < 0.001). Transfusion and complication rates for patients on therapy undergoing minimally invasive surgery vs open surgery were not statistically different. CONCLUSIONS: Patients on chronic ACT had higher transfusion and overall complication rates compared to patients on no treatment or on chronic aspirin. These findings did not correlate to clinical differences in length of stay or grade 3-5 complications.
Asunto(s)
Anticoagulantes/efectos adversos , Aspirina/efectos adversos , Transfusión Sanguínea/estadística & datos numéricos , Complicaciones Intraoperatorias/diagnóstico , Neoplasias Renales/cirugía , Nefrectomía/efectos adversos , Complicaciones Posoperatorias/diagnóstico , Factores de Edad , Anciano , Anticoagulantes/administración & dosificación , Aspirina/administración & dosificación , Femenino , Fibrinolíticos/efectos adversos , Humanos , Incidencia , Complicaciones Intraoperatorias/epidemiología , Neoplasias Renales/etnología , Neoplasias Renales/patología , Tiempo de Internación , Masculino , Persona de Mediana Edad , Estadificación de Neoplasias , Nefrectomía/métodos , Inhibidores de Agregación Plaquetaria/efectos adversos , Complicaciones Posoperatorias/epidemiología , Estudios Retrospectivos , Factores de Riesgo , Índice de Severidad de la Enfermedad , Resultado del Tratamiento , Estados Unidos/epidemiologíaRESUMEN
OBJECTIVES: Radical cystectomy (RC) with pelvic lymph node dissection and urinary diversion is the standard treatment for muscle-invasive bladder cancer. In the setting of prior renal transplantation, surgical treatment remains the mainstay but is technically challenging. We report our patient outcomes in this unique population with a description of the technique. METHODS: We identified five patients with a history of renal transplantation who underwent RC and orthotopic urinary diversion. Preoperative clinical and demographic features were compiled and disease-specific and functional outcomes were assessed. Intraoperative technical challenges and maneuvers for avoiding complications are highlighted. RESULTS: Four patients were male and one was female, with a median age of 64 years. Gross hematuria was the most common sign at presentation. Clinical staging was T2, T2 with carcinoma in situ (CIS), high-grade (HG) Ta with CIS, T2 with squamous differentiation, and HG T1, and pathologic tumor stage was pTisN1, pT3N0, pTisN0, pT3N0, and pT0N0, respectively. One patient received a Studer-type diversion and four underwent Hautmann diversion. Median follow-up after cystectomy was 12.9 months. Graft ureteral identification was aided by the use of intravenous dye in all patients. Ipsilateral pelvic lymph node dissection was not possible in any patient. All patients are alive at follow-up, with two experiencing recurrence at 7.2 months and 66.8 months. No patient experienced a significant decrease in estimated creatinine clearance postoperatively. Postoperative daytime control was reported by all patients whereas two noted complete nighttime control. CONCLUSIONS: RC with orthotopic diversion is a technically demanding procedure in patients with a history renal transplantation. Meticulous technique and careful attention to the altered anatomy are required for successful outcomes.