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Reflex Anuria Secondary to Unilateral Ureteric Obstruction by Urolithiasis: is it a Gender Specific Phenomenon?

Khan MH, Hari Krishnan JA, Jones GE and Mir K

Introduction: Acute renal failure (ARF) can manifest secondary to urinary tract obstruction. In a small number of patients ARF can occur with unilateral ureteric obstruction in the presence of normal contralateral kidney function. This phenomenon is known as reflex anuria. We present a case series of 20 patients with ARF secondary to reflex anuria following unilateral urinary tract obstruction caused by ureteric calculi.

Material and methods: We reviewed data at our hospital which is a tertiary stone referral centre for our region. Data was collected prospectively over a fifteen-month period from August 2010 until November 2011 for all patients presenting with renal colic.

Results: Eighty-seven male patients and seventeen female patients presented to our department with acute colic secondary to a unilateral ureteric stone.

All patients who displayed reflex anuria were male. No female patients developed this condition