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    Bilateral disruption of corpus cavernosum with complete urethral rupture
    (Blackwell Publishing Asia, 2004) Soylu, A; Yilmaz, U; Davarci, M; Baydinc, C
    Penile fracture is a relatively rare condition. We report an unusual case of the bilateral disruption of the corpus cavernosum with complete urethral rupture resulting from blunt trauma during sexual intercourse. The subject underwent emergency surgery with preservation of erectile and voiding functions in the follow-up.
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    Percutaneous nephrolithotomy for pediatric stone disease - Our experience with adult-sized equipment
    (Informa Healthcare, 2003) Gunes, A; Ugras, MY; Yilmaz, U; Baydinc, C; Soylu, A
    Objective: We evaluated the outcomes and complications of percutaneous nephrolithotomy (PNL) operations performed in pediatric patients using adult-sized surgical equipment at our center. Material and Methods: The medical and surgical records of 23 children who underwent a total of 25 PNL operations using 24 or 26 F rigid nephroscopes were evaluated retrospectively. The following aspects were considered: stone burden; duration of surgery and complications; details concerning recovery, success, residual fragments and auxiliary procedures; and follow-up details. Results: The success rate of a single PNL session was 70.8%; with the use of auxiliary procedures this was increased to 91.6%. Perioperative and early postoperative complications were excessive bleeding and transfusion in two patients, hydro-pneumothorax in one, perforation of the collecting system in three and urinoma in one. Complications were more common in children aged <7 years or with staghorn stones. The mean time to catheter removal was 3.4 days and the mean hospitalization time was 4.8 days. Idiopathic hypercalciuria, hypocitraturia, cystinuria and hyperoxaluria were diagnosed in two, two, one and three patients, respectively. Conclusion: Performing PNL with adult-sized equipment is associated with significant complications in children aged <7 years or with staghorn stones. This treatment should not be considered in routine clinical practice. As all stone-removal methods are associated with complications, PNL should be used only if other methods fail or are unavailable.
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    Role of penile electrodermal activity in the evaluation of autonomic innervation of corpus cavernosum
    (Nature Publishing Group, 2004) Soylu, A; Yilmaz, U; Ozcan, C; Sarier, M; Baydinc, C
    Electrodiagnostic tests measuring the activities of cavernous smooth muscle and sudomotor structures of penile skin are used in order to evaluate autonomic innervation of the penis. Owing to closeness of these tissues, the interference of sympathetic activity during recording is a possibility. In this study, we investigated this possibility in 10 patients whose cavernosal tissues were destroyed during penile prosthesis implantation by comparing the pre- and postoperative penile skin electrodermal activities. Penile electrodermal activities were recorded with surface electrodes before and after the operation. All of the patients had spontaneous and evoked penile electrodermal activity (EDA). The mean amplitude of evoked EDA decreased from 2159 +/- 700 to 1413 +/- 515 muV following penile prosthesis surgery ( P = 0.017). The decrease in the amplitude of penile-evoked EDA following penile prosthesis implantation suggests the contribution of cavernous smooth muscle activity to the sudomotor responses prior to operation. Although corpus cavernosum sympathetic activity contributes to the penile skin recordings, these recordings are mostly the result of penile skin sudomotor sympathetic activity. Therefore, surface potentials recorded from penile skin should not be used for the evaluation of autonomic innervation of corpus cavernosum.