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Effect of Selective Dorsal Neurectomy on Erectile Function in Rats

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Abstract

Objective

This study aimed to investigate the effect of penile selective dorsal neurectomy (SDN) on erectile function in rats.

Methods

Twelve adult male Sprague-Dawley rats (15 weeks old) were divided into three groups (n=4 per group): in control group, rats received no treatment; in sham group, rats underwent a sham operation; in SDN group, rats underwent SDN with half of the dorsal penile nerve severed. The mating test was performed, and the intracavernous pressure (ICP) assessed six weeks after the surgical treatment.

Results

At postoperative six weeks, the mating test revealed no significant difference in mounting latency and mounting frequency among the three groups (P>0.05), while the ejaculation latency (EL) was significantly longer and ejaculation frequency (EF) lower in the SDN group than in the control and sham groups (P<0.05). There were no significant differences in preoperative and postoperative ICP and ICP/mean arterial blood pressure (MAP) among the three groups (P>0.05).

Conclusion

SDN does not adversely affect the erectile function and sexual desire of rats, and at the same time it can reduce EL and EF, providing an application basis for SDN in the clinical treatment of premature ejaculation.

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Author notes

  1. The authors contributed equally to this study.

Authors and Affiliations

  1. Department of Urology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China

    ** Wang, Sen Li, Yuan-bin **a, Yao He, You-peng Zhang, Han-qing Zeng, Yong-biao Cheng & Zhao-hui Zhu

  2. Department of Stomatology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China

    Wen-jia Li

  3. Department of Geriatrics, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China

    Wen-li Zhu

Authors
  1. ** Wang
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  2. Sen Li
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  3. Wen-jia Li
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  4. Wen-li Zhu
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  5. Yuan-bin **a
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  6. Yao He
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  7. You-peng Zhang
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  8. Han-qing Zeng
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  9. Yong-biao Cheng
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  10. Zhao-hui Zhu
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Corresponding authors

Correspondence to Yong-biao Cheng or Zhao-hui Zhu.

Additional information

Conflict of Interest Statement

The authors have no conflicts of interest.

The present study was supported by Wuhan Application Foundation Frontier Project (No. 2019020701011428).

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Wang, J., Li, S., Li, Wj. et al. Effect of Selective Dorsal Neurectomy on Erectile Function in Rats. CURR MED SCI 43, 324–328 (2023). https://doi.org/10.1007/s11596-022-2685-2

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  • DOI: https://doi.org/10.1007/s11596-022-2685-2

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