PD48-09 COMPARISON OF NON-INVASIVE MEASUREMENTS OF PENILE CURVATURE IN PEYRONIE'S DISEASE

Abstract

You have accessJournal of UrologySexual Function/Dysfunction: Peyronie's Disease (PD48)1 Sep 2021PD48-09 COMPARISON OF NON-INVASIVE MEASUREMENTS OF PENILE CURVATURE IN PEYRONIE'S DISEASE Rubens Pedrenho Neto, Bruno C. G. Nascimento, Cristovão Machado Barbosa Neto, Jose de Bessa Junior, Miguel Srougi, and William Carlos Nahas Rubens Pedrenho NetoRubens Pedrenho Neto More articles by this author , Bruno C. G. NascimentoBruno C. G. Nascimento More articles by this author , Cristovão Machado Barbosa NetoCristovão Machado Barbosa Neto More articles by this author , Jose de Bessa JuniorJose de Bessa Junior More articles by this author , Miguel SrougiMiguel Srougi More articles by this author , and William Carlos NahasWilliam Carlos Nahas More articles by this author View All Author Informationhttps://doi.org/10.1097/JU.0000000000002070.09AboutPDF ToolsAdd to favoritesDownload CitationsTrack CitationsPermissionsReprints ShareFacebookLinked InTwitterEmail Abstract INTRODUCTION AND OBJECTIVE: Peyronie’s disease (PD) is a fibrotic disorder of the tunica albuginea, leading to penile deformities. Non-invasive estimates of penile deformities are practical, but have low accuracy when compared to objective measurements with induced erection and a goniometer. Our aim was to evaluate the agreement between different non-invasive methods of measuring penile curvature and the objective measurement. METHODS: We retrospectively reviewed medical records of patients who underwent surgery in a sexual medicine tertiary center. During the clinical visit, pre-operatively, a set of different non-invasive estimates were performed including asking the patient to explain their primary curvature with a goniometer, a drawing of the penis and a malleable implant prosthesis to be molded. Also, at home photography were required with maximal erection. The agreement of those methods and intra-operative measurement using a goniometer after saline induced erection was analyzed. A tolerable error was considered if a difference smaller than 10o or 20% of the gold standard measurement was found. RESULTS: The sample consisted of 69 men with a mean age of 62 ± 6 years old. The direction of the curvature was dorsal in 59%, left in 35%, right in 5% and ventral in 1%. Mean curvature with of estimates with the goniometer was 57o (±31), drawing 60 o (±28), Prosthesis 60o (±25), Photography 57 o (±27), and mean intra-operative measurement was 51 o (± 24). Overall precision considering the above mentioned tolerable error definition was 45%, and the single non-invasive method with better precision was Prosthesis with 46,5% fo concordance. There was no statistical difference between them (p=0.99) for concordance and disagreement by the Dunnett's multiple comparisons test. CONCLUSIONS: In our comparison study of 4 non-invasive curvature assessment methods, we found a low precision (approximately 45%), regardless of the chosen method. Formal curvature assessment with induced erection and a goniometer appears to be imperative. Source of Funding: None © 2021 by American Urological Association Education and Research, Inc.FiguresReferencesRelatedDetails Volume 206Issue Supplement 3September 2021Page: e841-e841 Advertisement Copyright & Permissions© 2021 by American Urological Association Education and Research, Inc.MetricsAuthor Information Rubens Pedrenho Neto More articles by this author Bruno C. G. Nascimento More articles by this author Cristovão Machado Barbosa Neto More articles by this author Jose de Bessa Junior More articles by this author Miguel Srougi More articles by this author William Carlos Nahas More articles by this author Expand All Advertisement Loading ...