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05De Rose-Ambrosini_Stesura Seveso 24/09/20 14:14 Pagina 182 DOI: 10.4081/aiua.2020.3.182 ORIGINAL PAPER Prepuce-sparing corporoplasty as a safe alternative for patients with acquired penile curvature Aldo Franco De Rose 1, Francesca Ambrosini 1, Guglielmo Mantica 1, Enrico Zero 2, Riccardo Banchero 1, Carlo Terrone 1 1 Department of Urology, Policlinico San Martino Hospital, University of Genoa, Genoa, Italy; 2 Department of Computer Science, Bioengineering, Robotics and Systems Engineering, University of Genoa, Genoa, Italy. Summary Objectives: penile curvature is a rare condi- sibility and the safety of prepuce-sparing corporoplasty on tion, classified as congenital or acquired a single-institution series. (Peyronie’s disease) (PD). Surgical correction is the standard treatment. It’s common practice to associate circumcision with penile de-gloving to prevent complications. In this paper we MATERIALS AND METHODS evaluate the feasibility of penile surgery avoiding circumcision. Data were collected from patients presenting with Materials and methods: patients presenting with penile curva- ture were treated using a modified Nesbit procedure. Patients Peyronie’s disease (PD) who underwent to a modified were divided into group A if they opted for a prepuce-sparing Nesbit procedure from January 2014 to January 2019 at surgery and the others into group B. Patients were evaluated a single academic tertiary hospital. Our Institution’s pre and postoperatively and postoperative complications were prospectively updated database that have been retro- assessed. The 5-item International Index of Erectile Function spectively evaluated. All the procedures were performed (IIEF-5) was administered before and 6 months after surgery by the same experienced surgeon (A.F.D.R.). and we compared the difference of mean value using T-Test. Results: Group A and B were made of 53 and 16 patients 1. Preoperative assessment and follow-up respectively. Median age was 59 years [interquartile range All patients had a stable disease for at least three months (IQR) 12] in A and 62 (IQR 9) in B (p = 0.2). Median curva- and suffered from pain during erection or during sexual ture was 40° (IQR 40°) in A and 40 ° (IQR 30°) in B (p = 0.62). Mean difference between pre- and post-operative intercourse. All patients underwent a standard clinical IEFF was 1.9 ± 2 in A and 2.6 ± 2.1 in B (p = 0.36). assessment, routine blood sample, urinalysis, physical Conclusions: According to our experience, surgical correction examination during erection (after intracavernous injec- of penile curvature without performing circumcision could be tion of vasoactive drugs or self-photography at orthogo- a safe and feasible strategy. We recommend performing cir- nal, frontal, and sagittal planes). Curvature degrees were cumcision only in patients who present with pre-operative measured using a goniometer. Both the prepuce and the phimosis. degree of penile curvature were assessed before surgery. We considered curvature of more than 30 °. Medical and KEY WORDS: Erectile dysfunction; Foreskin; Male; Phimosis; sexual history of patients was taken focusing on any pre- Penile induration. vious penile surgery. The 5-item International Index of Submitted 23 February 2020; Accepted 2 April 2020 Erectile Function (IIEF-5) was administered before and 6 months after the treatment. Degree of angulation was recorded at follow-up with self-photograph at orthogo- INTRODUCTION nal, frontal and sagittal planes. Penile curvature can be considered a relatively uncom- mon condition, with an incidence of 0,4-0,6%. Estimated 2. Sample definition and analysis prevalence is about 0.5% but according to several Authors The patients were divided into two different groups: it may reach up to 10% due to misdiagnosis and low group A, made by patients who opted for a prepuce- awareness of the disease (1, 2). While new promising sparing surgery, and group B made by those who decid- therapies are developing and spreading (3-4), surgery is ed to be circumcised. Patients’ characteristics, intra-, still indicated as primary management for many patients post-operative and 6 months follow-up data were col- with penile curvatures, especially when the curvature lected and analysed. Post-operative complications were does not allow a satisfactory intercourse (5-7). A common assessed according to Clavien-Dindo (CD) classification feature of the many different techniques of corporoplasty (14). In the two groups, we assessed the difference of which were proposed over the last decades is to associate mean value of IIEF-5 score administered before and 6 circumcision with penile degloving in order to prevent months after the surgery by using T-Test. Data were postoperative oedema, phimosis and necrosis of the pre- entered into a Microsoft Excel (Version 14.0) database and puce (8, 9). However, few recent studies have shown that then transferred to Sofastat TM 1.4.6 for Windows. a prepuce-sparing surgery is feasible with a low rate of Descriptive statistics were calculated for all patients’ local complications (10, 11). We aim to evaluate the fea- variables and reported as median (IQR), mean ± stan- No conflict of interest declared. 182 Archivio Italiano di Urologia e Andrologia 2020; 92, 3 05De Rose-Ambrosini_Stesura Seveso 24/09/20 14:14 Pagina 183 Feasibility of prepuce sparing corporoplasty dard deviation (SD) or as proportion. The homogeneity generation cephalosporins as prophylactic antibiotic and data of the two groups were compared using the before induction of anaesthesia (12, 13). Kolmogorov-Smirnov, Chi-Square, Fisher Exact and the paired T-test. We set the level of significance to 0.05. 4. Ethics statement Our institution doesn’t require an Institutional review 3. Surgical procedure and perioperative management board approval for retrospective observational studies. In all cases a modified Nesbit technique has been per- However, every patient at the admission had to give a formed. The procedure starts with a sub-coronal circum- written consent for the prospective collection and retro- ferential incision 1 cm below the coronal sulcus. Then spective analysis of data. the degloving is carried out following the avascular plane between the dartos and the Buck’s fascia. We accurately spare the dartos in order not to damage the blood sup- RESULTS ply to the prepuce. The neurovascular bundle is mobi- Group A and B were made of 53 and 16 patients, respec- lized from the dorsum of the penis by incising Buck’s fas- tively. The median age was 59 years (IQR 12) in group A cia laterally. Five micro-grams of prostaglandin E1 and 62 (IQR 9) in group B (p = 0.20). Median grade of (PGE 1) are injected into the corpora cavernosa to obtain penile curvature was 40° (IQR 40°) in group A and 40° an artificial erection. (IQR 30°) in group B (p = 0.62). The two groups were The tunica albuginea can be grasped with an Allis clamp similar in direction of curvature (Table 1). Median oper- or with suspension stitches and then it is excised sharply ating time was 90 minutes (IQR 6) in group A and 100 with a cold scalpel (Figure 1). minutes (IQR 30) in group B (p = 0.03). Patients of both The albuginea continuous solution is closed with inter- two groups had their urethral catheters removed at a rupted polyglycolic 3/0 suture. The result is assessed by median of 1 day (IQR group A 1 and IQR group B 0) inducing a final hydraulic erection. Buck’s fascia is reap- after surgery (p = 0.23). Median length of stay was 2 day proximated with an absorbable monofilament suture. (IQR 1) in group A and 2 day (IQR 0) in group B. Finally, we perform an interrupted 4/0 suture to approx- Twenty-one patients of group A were used to take phos- imate the skin (Figure 2). phodiesterase type 5 inhibitor (PDE5 inhibitor) before sur- For patients among group B the surgical procedure was gery. After the treatment 19 (36%) of them continued to similar to the technique performed for group A except use PDE5 inhibitor while two of them started using for the final step of the circumcision. The redundant pre- intracavernous injections of vasoactive medication. puce is pulled upwards, the adhesions to the glans is released, and after skin excision, haemostasis is per- Table 1. formed with an electrocautery. We approximate the skin Summary table on the population of patients and the mucosal borders with simple interrupted considered in the study. absorbable suture (polyglycolic 3/0). A transurethral catheter is placed during surgery and left Variable Group A Group B P value for 1-2 days. All patients were premedicated with third Number of patients 53 16 0.91 Age (y), median (IQR) a 59 (12) 62 (9) 0.20 Curvature (°), median (IQR) Figure 1. Direction of curvature, n (%) 40° (40°) 40° (30°) 0.62 The electric scalpel delimits the area of Dorsal 18 (34) 7 (44) 0.74 corporoplasty Ventral 16 (30) 5 (31) 0.98 subsequently Lateral 19 (36) 4 (25) 0.59 engraved with the IEFF-5 score, mean ± SD 19 ± 2 17 ± 2 0.02 cold knife. a IQR = interquartile range. Figure 2. Table 2. Sub-coronal suture with Vycril rapid 4/0 stitches Summary table on the population of patients considered without circumcision. in the study. Variable Group A Group B P value Operating time (minutes), median (IQR) 90 (6) 100 (30) 0.03 Duration of catheterization (days), median (IQR) 1 (1) 1 (0) 0.23 Hospital stay (d), median (IQR) 1 (1) 1 (0) 0.24 Complications CD a Grade III 40 CD Grade IV 00 IIEF-5 score 6 months after, mean ± SD 21 ± 2 20 ± 2 0.11 IIEF-5 pre-/post-op. difference 1.9 ± 2 2.6 ± 2.1 0.36 Residual curvature at 6 months Straight 51 16 < 15° 20 a CD = Clavien Dindo.