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Clinical value of the pudendal somatosensory evoked potential
Affiliation:1. Department of Uro-Neurology, National Hospital for Neurology and Neurosurgery, Queen Square London WCIN 3BG, UK;2. Divisione di Neurochirurgia, Ospedale Regionale di Varese, Via le Borri, 21100 Varese, Italy;1. Retina department, ophthalmology service, San Carlos clinical hospital, Prof Martin Lagos s/n, Madrid, Spain;2. Ophthalmology department, Clínico San Carlos university hospital, Madrid, Spain;1. Servicio de Oftalmología, Hospital Clínico San Carlos, Instituto de Investigación Sanitaria del Hospital Clínico San Carlos (IdISSC), Madrid, Spain;2. Cooperative Research Network on Age-Related Ocular Pathology, Visual and Life Quality, Instituto de Salud Carlos III, Madrid, Spain;3. Servicio de Oftalmología, Hospital Clínico San Carlos, Departamento de Oftalmología y ORL, Facultad de Medicina, Universidad Complutense de Madrid, Instituto de Investigación Sanitaria del Hospital Clínico San Carlos (IdISSC), Madrid, Spain;4. Servicio de Medicina Preventiva y Salud Pública, Hospital Clínico San Carlos, Instituto de Investigación Sanitaria del Hospital Clínico San Carlos (IdISSC), Madrid, Spain;1. Hospital Clinico Universitario San Carlos, Profesor Martin-Lagos, 28040 Madrid, Spain;2. Hospital Universitario Puerta de Hierro, 28222 Madrid, Spain;1. Institute of Theoretical Physics, University of Wroclaw, PL-50204 Wroclaw, Poland;2. School of Physics and Nuclear Energy Engineering, Beihang University, Beijing 100191, China;3. SUBATECH UMR 6457 (IMT Atlantique, Université de Nantes, IN2P3/CNRS), 4 rue Alfred Kastler, 44307 Nantes, France;4. ExtreMe Matter Institute EMMI, GSI, Planckstraße 1, D-64291 Darmstadt, Germany;5. Institut für Theoretische Physik, Universität Heidelberg, Philosophenweg 16, D-69120 Heidelberg, Germany;6. Physics Department, Brookhaven National Laboratory, Upton, NY 11973, USA
Abstract:The pudendal evoked potential was recorded in 126 patients who had presented with various uro-genital complaints. The patients were divided into two groups depending on whether or not there were clinical signs of neurological disease. Group I consisted of 83 patients (66%) who on clinical examination were neurologically normal. In group 11 there were 43 patients (34%) who had physical signs suggesting underlying neurological pathology. The pudendal evoked potential was abnormal in 10 patients from the group with neurological signs (group 11) but only 1 patient from group I (a man who had made an excellent recovery from previous transverse myelitis). The conclusion of this study is that the pudendal evoked potential is of no greater value than the clinical examination in the assessment of patients with uro-genital dysfunction. The recommendation that the potential should be recorded as part of the routine assessment of patients suspected of having a neurogenic disorder of the bladder and sexual function should be reconsidered.
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