Oxalate Concentrations in Human Gastrointestinal Fluid.

Background And Purpose: Urinary oxalate excretion is a risk factor for nephrolithiasis and is a result of endogenous metabolism and gastrointestinal processes. Gastrointestinal absorption of oxalate has been well demonstrated but to our knowledge evidence for secretion of oxalate is absent in humans. The objective of this study was to measure the amount and conformation of oxalate in the stomach and small intestine of adult subjects undergoing gastrointestinal endoscopy.

Optimizing Stone-free Rates With Ureteroscopy.

Ureteroscopy is being increasingly utilized in the treatment and management of patients with renal and ureteral stones. Improving stone-free rates with ureteroscopy decreases the need for ancillary procedures and improves patient outcomes and satisfaction. This article reviews contemporary literature regarding the efficacy of a wide range of currently available techniques for improving stone-free rates with this procedure.

Long-term follow-up of porcine dermis pubovaginal slings.

Introduction And Hypothesis: Outcomes of xenografts in incontinence surgery are uncommon. Our objective was to report long-term outcomes of women after porcine dermis (PD) bladder neck sling.

Methods: Seventy women completed a mean follow-up of 62.