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Journal of Indian Association of Pediatric Surgeons
     Journal of Indian Association of Pediatric Surgeons
Official journal of the Indian Association of Pediatric Surgeons         
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Year : 2023  |  Volume : 28  |  Issue : 6  |  Page : 465-471

Comparison of high spermatic vessel ligation and low spermatic vessel ligation in an undescended model of rat testis

1 Department of Pediatric Surgery, AIIMS, New Delhi, India
2 Department of Pathology, AIIMS, New Delhi, India
3 Department of Reproductive Biology, AIIMS, New Delhi, India

Correspondence Address:
Murali Krishna Nagendla
Sravani Multispeciality Hospital, Cyber Hills, Hyderabad - 500 034, Telangana
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/jiaps.jiaps_14_23

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Aims: The aim of this study was to compare the immediate and long-term outcomes after high spermatic vessel ligation (HSVL) and low spermatic vessel ligation (LSVL) in a high undescended testis (UDT) model in rats. Materials and Methods: A prospective randomized controlled study was conducted on 24 male Wistar rats. The rats were randomly divided into three groups. Group A underwent a sham laparotomy and acted as the control. Group B underwent HSVL of both testicular vessels. Group C underwent LSVL of both testicular vessels. Each group was again subdivided into two subgroups. One sub-group underwent blood collection and testicular biopsy of both testes 24 h after the procedure to demonstrate immediate changes. Other subgroups underwent blood sample collection and testicular biopsy of both testes on day 50 following the procedure for hormonal changes and long-term changes. Results: All the testes in HSVL showed atrophy (100%) in the long term, whereas LSVL showed atrophy in 12.5% of testes, even though both groups showed adequate neovascularization. Testes in HSVL showed poor bleeding on incision at both 24 h and day 50. On histology, 75% of testes in HSVL showed complete necrosis, and 50% in LSVL showed partial necrosis at 24 h. On day 50, all the testes in HSVL (100%) showed complete necrosis with dystrophic calcification, whereas all the testes in LSVL showed normal histology with good maturation of seminiferous tubules. There was no significant difference in testosterone levels between both groups. Conclusions: Both immediate and long-term changes following LSVL showed an increase in blood flow to the testis after ligation through collaterals and reverses early ischemic changes to the testis. Given the higher testicular atrophic rate after HSVL, LSVL or at least low ligation can be preferred for the management of high intra-abdominal UDT.


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