A simple and reliable monitoring system to confirm the preservation of the cavernous nerves

International Journal of Urology : Official Journal of the Japanese Urological Association
K KurokawaH Yamanaka

Abstract

It is important to establish a procedure with which to confirm the preservation of the cavernous nerves during nerve-sparing radical surgery. For this purpose, we examined changes in intracavernous pressure (ICP) following electrical stimulation of the neurovascular bundle (NVB) with respect to the continuity of the cavernous nerves. Six cases of radical prostatectomy and eight cases of radical cystoprostatectomy were examined. In all cases, prior to prostate removal, electrical stimulation of the site where the NVB was determined to run was performed and the changes in ICP measured. In eight cases, ICP changes were also measured following prostate removal. Prior to prostate removal, ICP changes could be measured in all 28 sides of 14 cases. These changes were classified into two patterns: stimulation-related increases of convex waveform (t1) were observed in 24 sides (85.7%); and waveforms with reversed type (t2), which was thought to be an incomplete type t1, were observed in four sides (14.3%). There were no ICP changes following non-sparing or incomplete sparing of NVB macroanatomically. Of five sides where the NVB was supposedly completely preserved macroanatomically, ICP changes consisted of type t1 on three sides, t2 on ...Continue Reading

Citations

Nov 8, 2014·Indian Journal of Urology : IJU : Journal of the Urological Society of India·Sailaja PisipatiAshutosh K Tewari
Mar 8, 2003·International Journal of Urology : Official Journal of the Japanese Urological Association·Kohei KurokawaHidetoshi Yamanaka
Apr 16, 2003·International Journal of Urology : Official Journal of the Japanese Urological Association·Naoki TeradaAkito Terai
Mar 11, 2004·International Journal of Urology : Official Journal of the Japanese Urological Association·Keiji OguraYoichi Arai
Aug 3, 2006·International Journal of Urology : Official Journal of the Japanese Urological Association·Akira TsujimuraAkihiko Okuyama
Aug 11, 2015·Nature Reviews. Urology·Nathaniel M Fried, Arthur L Burnett
Dec 7, 2011·Journal of Endourology·Karthikeyan PonnusamyCatherine Mohr
Aug 2, 2014·Journal of Clinical Neurophysiology : Official Publication of the American Electroencephalographic Society·Stanley A Skinner
Jan 29, 2021·International Journal of Urology : Official Journal of the Japanese Urological Association·Nobuhiro HagaHirofumi Matsuoka

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