Abstract
Transurethral sphincterotomy is a commonly performed operation in spinal cord injury patients. Sixty-three patients who have had transurethral sphincterotomy were evaluated at our spinal cord injury unit for the risk and possible predictors of long-term outcome associated with this procedure. In addition to history and physical examination, all patients had urine culture, blood urea and creatinine, intravenous pyelogram and/or KUB with renal ultrasound, 4 channel videourodynamics, voiding cystourethrogram, and cystocopy when indicated. Their mean age was 53 years, and their level of injury was cervical 32, thoracic 25, and lumbar 6. The mean time since injury was 27 years (3-50), and the mean follow-up since their last sphincterotomy was 11 years (2-30). The mean number of sphincterotomies was 1.74 (1-4). Urine culture revealed bacteruria (asymptomatic) in 48 and sterile urine in 15 patients. Renal function was normal in 61 patients and abnormal in 2 patients. Videourodynamics revealed detrusor hyperreflexia in 60, detrusor areflexia in 3, abnormal detrusor compliance in 9, and detrusor sphincter dyssynergia in 34 patients. The mean Leak point pressure was 36.4 cm H2O (5-100), and the mean maximum detrusor pressure was 54.7 cm H2O (12-100). Nineteen (30%) patients had significant upper tract complications including; renal calculi, atrophic kidney, vesicoureteral reflux, and renal scarring with impaired renal function. Fifty percent of upper tract complications developed more than 2 years after sphincterotomy. Thirty patients had lower tract complications including; recurrent symptomatic urinary tract infection, bladder stones, urethral diverticulum, urethral stricture, bladder neck stenosis, and recurrent epididymitis.(ABSTRACT TRUNCATED AT 250 WORDS)
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