Effects of Systolic Blood Pressure Elevation on Internal Sperm Artery Identification During Microsurgical Subinguinal Varicocelectomy

Author:

Kebing Yang1ORCID,Chenglu Wang2,Xiaobo Xu1,Tiliwalidi Aikeremu3,Liao Zhang3

Affiliation:

1. Urology & Nephrology Center, Department of Urology, Zhejiang Provincial People’s Hospital (Affiliated People’s Hospital), Hangzhou Medical College, Hangzhou, China

2. Center for Reproductive Medicine, Department of Reproductive Endocrinology, Zhejiang Provincial People’s Hospital (Affiliated People’s Hospital), Hangzhou Medical College, Hangzhou, China

3. Department of Urology, The First People’s Hospital of Aksu Region, Aksu, China

Abstract

Microsurgical subinguinal varicocelectomy (MSV) is the gold standard for treating varicoceles. Preservation of the internal spermatic arteries (ISAs) during MSV is important for sperm production. This study aimed to evaluate the safety and efficacy of elevating systolic blood pressure (SBP) using MSV. Data from 252 consecutive adult male patients were retrospectively reviewed. The patients were divided into two groups: a traditional group that underwent conventional MSV ( n = 134) and a modified group that underwent MSV with a transiently elevated SBP of 140–160 mm Hg ( n = 118). Arterial identification time, unilateral operative time, number of ISAs, arterial injury rate, and other postoperative indicators, including postoperative complications and sperm parameters, were compared between the groups. All the procedures were successful. The arterial identification and unilateral operative times were significantly shorter in the modified group (31.34 ± 10.44 vs. 42.94 ± 12.39 min and 61.48 ± 8.78 vs. 76.35 ± 12.33 min, p < .01, respectively). Intraoperatively, the number of preserved ISAs was significantly higher in the modified group (1.92 ± 0.53 vs. 1.45 ± 0.32, p < .01). The arterial injury rate did not differ significantly between the groups (2.74% vs. 0%, respectively). Compared with preoperative values, sperm parameters improved significantly 6 months postoperatively. Significant differences in semen parameters or postoperative complications were not observed between the groups. Elevated intraoperative SBP can be used to rapidly, safely, and effectively identify ISAs, increase the number of retained spermatic arteries, and markedly reduce the operative time for MSV.

Publisher

SAGE Publications

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