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  • Title: Pudendal nerve somatosensory evoked potentials in patients with voiding and/or erectile dysfunction: correlating test results with clinical findings.
    Author: Klausner AP, Batra AK.
    Journal: J Urol; 1996 Oct; 156(4):1425-7. PubMed ID: 8808889.
    Abstract:
    PURPOSE: We evaluated the diagnostic efficacy of pudendal nerve somatosensory evoked potential testing in patients with voiding and/or erectile dysfunction. MATERIALS AND METHODS: A total of 55 consecutive patients with voiding and/or erectile dysfunction underwent pudendal nerve somatosensory evoked potential testing during a 2.5-year period. P1 latencies were analyzed in terms of neurological history and neurological physical examination. RESULTS: Abnormal P1 latencies were noted in 46.7% of patients with a positive neurological history (p = 0.0060), 52.4% with a positive neurological physical examination (p = 0.0580), and 64.7% with a positive history and physical examination (p = 0.0007). No patient with a negative neurological history had abnormal P1 latencies. CONCLUSIONS: Positive neurological history and physical examination findings in patients with voiding and/or erectile dysfunction correlate significantly with abnormal pudendal nerve somatosensory evoked potential latencies. The subgroup of patients with a positive neurological history and physical examination has the greatest diagnostic yield and is best suited for pudendal nerve somatosensory evoked potential testing.
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