For all encounters the sensitivity of fluorescence in situ hybridization was 56% and specificity was 80%. Sensitivity for low and high grade lesions was 68% and 67%, respectively. Only upper tract tumors were noted in 28 patients, in whom
there were 2 false-positive and 13 false-negative voided fluorescence in situ hybridization results. In these cases sensitivity was 54% and specificity was 78% compared to the 18% sensitivity and 100% specificity of bladder cytology. Sensitivity for low and high grade upper tract transitional cell carcinoma was 60% selleckchem and 50%, respectively.
Conclusions: Voided fluorescence in situ hybridization has become an adjunct for bladder transitional cell carcinoma surveillance.
However, it has limited value for upper tract tumor surveillance.”
“Purpose: We determined whether diagnostic ureteroscopy for upper urinary tract cancer affects intravesical recurrence and cancer specific mortality.
Materials and Methods: In a retrospective, multi-institutional study we evaluated 208 patients undergoing nephroureterectomy for upper urinary tract cancer who had no perioperative systemic chemotherapy, history of invasive bladder cancer, distant metastasis or incomplete followup data. Of these 208 patients 55 who composed the study group underwent diagnostic ureteroscopy before nephroureterectomy while 153 serving as controls did not. We analyzed intravesical recurrence and cancer specific survival GSK126 ic50 using the Kaplan-Meier method with the log rank test used to assess PF-573228 concentration significance.
Results: There was no significant difference between the 2 groups in patient characteristics or upper urinary tract cancer stage and grade while followup, and the proportion of multiple tumors and lymphovascular invasion positive tumors were significantly greater in controls. The 2-year bladder recurrence-free survival rate was 60.0% in the study group and 58.7% in controls. There was no significant difference in the intravesical recurrence rate between the
2 groups (log rank test p = 0.972). Estimated Kaplan-Meier cancer specific survival was 88.3% and 78.1% at 5 years in the study and control groups, respectively (log rank test p = 0.0687).
Conclusions: Diagnostic ureteroscopy did not affect intravesical recurrence or cancer specific survival in patients with upper urinary tract cancer undergoing nephroureterectomy.”
“Hypocretins (orexins) are hypothalamic neuropeptides that play a crucial role in regulating sleep/wake states and autonomic functions including parasympathetic cardiac activity. We have recently demonstrated stimulation of the lateral paragigantocellular nucleus (LPGi), the nucleus which is thought to play a role in rapid eye movement (REM) sleep control, activates an inhibitory pathway to preganglionic cardiac vagal neurons in the nucleus ambiguus (NA).
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