Unilateral pudendal neuropathy. Significance and implications

Diseases of the Colon and Rectum
Y P SangwanD J Schoetz

Abstract

Obstetric trauma and excessive defecatory straining with perineal descent may lead to pudendal neuropathy with bilateral increase in pudendal nerve terminal motor latencies (PNTML). We have frequently observed unilateral prolongation of PNTML. Diagnostic and therapeutic implications of unilateral pudendal neuropathy are discussed. Records of 174 patients referred to pelvic floor laboratory for anorectal manometry and PNTML testing were reviewed. Computerized and manometry was performed using dynamic pressure analysis, and PNTML was determined using a pudendal (St. Mark's) electrode. No response was elicited from pudendal nerves to electric stimulation from both sides in 14 patients (8 percent) and from one side in 24 patients (13.8 percent). Bilateral PNTML determination was possible in only 136 patients (78 percent), of whom 83 patients (61 percent) had no evidence of neuropathy, revealing normal PNTML on both sides. Of 53 patients (39 percent) with delayed conduction in pudendal nerves, in 15 patients (28 percent), PNTML was abnormally prolonged on both sides, with an abnormal mean value for PNTML. In the remaining 38 patients (72 percent), PNTML was abnormal on one side; in 27 patients with an abnormal mean PNTML and in 11 p...Continue Reading

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Citations

Nov 17, 2001·Diseases of the Colon and Rectum·H LibermanA G Thorson
May 29, 2000·Diseases of the Colon and Rectum·O O RasmussenM Sørensen
Jun 20, 2000·Diseases of the Colon and Rectum·S KarouiP Denis
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Sep 22, 2018·Brain and Behavior·Francisco CastelánMargarita Martínez-Gómez
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