{"title":"Recurrence of cervical intervertebral disc extrusion in 55 dogs after surgical decompression with or without prophylactic fenestration.","authors":"Clémence Berthomé, Aude Castel, Renée-Claire Malenfant, Tristan Juette, Dominique Gagnon","doi":"10.1111/vsu.14303","DOIUrl":null,"url":null,"abstract":"<p><strong>Objective: </strong>To determine whether prophylactic fenestration (PF) of adjacent intervertebral discs decreases the recurrence rate (RR) of cervical intervertebral disc extrusion (C-IVDE) in small dogs undergoing ventral slot (VS) decompression, and whether PF increases perioperative complication risk.</p><p><strong>Study design: </strong>Retrospective, multi-institutional cohort study.</p><p><strong>Sample population: </strong>A total of 55 dogs.</p><p><strong>Methods: </strong>Medical records of a mixed population of small dogs (<20 kg) treated with VS for C-IVDE with a minimum one-year follow-up were reviewed. During surgery, dogs underwent either single-site PF, multiple-site PF, or no PF. Perioperative complication rate and RR were compared between PF and non-PF groups using generalized linear models. Surgical time and neurologic grade (presurgery, post-surgery, at first recheck) were compared with Mann-Whitney test and chi-squared tests.</p><p><strong>Results: </strong>A total of 55 dogs were included (PF: n = 18; non-PF: n = 37). Neurologic grades were similar at all timepoints. Median time to first recheck was 14 days (range: 5-56). Median follow-up time was 1380 days (range: 365-2777). Recurrence occurred in 25% of dogs (14/55), all in the non-PF group. Prophylactic fenestration was associated with a lower RR (p < .001). Surgery duration was longer in the PF group (158.0 ± 13.5 min) versus non-PF (118.0 ± 6.8 min, p = .017), but complication rates were similar (18.2%, p = .838) between groups.</p><p><strong>Conclusion: </strong>Recurrence of C-IVDE is more likely to occur at non-PF group than PF-group in a heterogenous population of small breed dogs. Prophylactic fenestration was not linked to increased complication risk.</p><p><strong>Clinical significance: </strong>Prophylactic fenestration might be safely considered to prevent C-IVDE recurrence.</p>","PeriodicalId":23667,"journal":{"name":"Veterinary Surgery","volume":" ","pages":""},"PeriodicalIF":1.3000,"publicationDate":"2025-07-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Veterinary Surgery","FirstCategoryId":"97","ListUrlMain":"https://doi.org/10.1111/vsu.14303","RegionNum":2,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q2","JCRName":"VETERINARY SCIENCES","Score":null,"Total":0}
引用次数: 0
Abstract
Objective: To determine whether prophylactic fenestration (PF) of adjacent intervertebral discs decreases the recurrence rate (RR) of cervical intervertebral disc extrusion (C-IVDE) in small dogs undergoing ventral slot (VS) decompression, and whether PF increases perioperative complication risk.
Study design: Retrospective, multi-institutional cohort study.
Sample population: A total of 55 dogs.
Methods: Medical records of a mixed population of small dogs (<20 kg) treated with VS for C-IVDE with a minimum one-year follow-up were reviewed. During surgery, dogs underwent either single-site PF, multiple-site PF, or no PF. Perioperative complication rate and RR were compared between PF and non-PF groups using generalized linear models. Surgical time and neurologic grade (presurgery, post-surgery, at first recheck) were compared with Mann-Whitney test and chi-squared tests.
Results: A total of 55 dogs were included (PF: n = 18; non-PF: n = 37). Neurologic grades were similar at all timepoints. Median time to first recheck was 14 days (range: 5-56). Median follow-up time was 1380 days (range: 365-2777). Recurrence occurred in 25% of dogs (14/55), all in the non-PF group. Prophylactic fenestration was associated with a lower RR (p < .001). Surgery duration was longer in the PF group (158.0 ± 13.5 min) versus non-PF (118.0 ± 6.8 min, p = .017), but complication rates were similar (18.2%, p = .838) between groups.
Conclusion: Recurrence of C-IVDE is more likely to occur at non-PF group than PF-group in a heterogenous population of small breed dogs. Prophylactic fenestration was not linked to increased complication risk.
Clinical significance: Prophylactic fenestration might be safely considered to prevent C-IVDE recurrence.
目的：探讨邻近椎间盘预防性开窗（PF）是否能降低小型犬腹侧间隙（VS）减压术后颈椎间盘突出（C-IVDE）的复发率（RR），以及PF是否会增加围手术期并发症的发生风险。研究设计：回顾性、多机构队列研究。样本种群：共55只狗。结果：共纳入55只犬(PF: n = 18；非pf: n = 37)。神经系统评分在所有时间点相似。第一次复查的中位时间为14天（范围：5-56天）。中位随访时间为1380天（范围：365-2777天）。25%的狗（14/55）出现复发，均为非pf组。结论：在异种小品种犬群中，非pf组比pf组更容易发生C-IVDE的复发。预防性开窗与并发症风险增加无关。临床意义：预防性开窗可安全预防C-IVDE复发。
期刊介绍：
Veterinary Surgery, the official publication of the American College of Veterinary Surgeons and European College of Veterinary Surgeons, is a source of up-to-date coverage of surgical and anesthetic management of animals, addressing significant problems in veterinary surgery with relevant case histories and observations.
It contains original, peer-reviewed articles that cover developments in veterinary surgery, and presents the most current review of the field, with timely articles on surgical techniques, diagnostic aims, care of infections, and advances in knowledge of metabolism as it affects the surgical patient. The journal places new developments in perspective, encompassing new concepts and peer commentary to help better understand and evaluate the surgical patient.
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