Outcome following standing flank laparotomy for treatment of uterine torsion in 87 Arabian mares

IF 0.8 4区农林科学 Q3 VETERINARY SCIENCES

Equine Veterinary Education Pub Date : 2024-11-22 DOI:10.1111/eve.14076

M. K. Derbala, E. A. Hassan, A. M. Abu-Seida

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Abstract

Background

Uterine torsion (UT) is an infrequent serious obstetric disorder in pregnant mares.

Objective

To record the outcome of standing flank laparotomy (SFL) for correction of UT in Straight Egyptian Arabian mares.

Study design

Retrospective analysis of medical records.

Methods

Hospital records of all pregnant mares that underwent SFL for correction of UT between 2018 and 2022 were analysed. The signalment, history, clinical signs, results of diagnostic techniques, direction and degree of UT, treatment and outcome, rebreeding and recurrence were retrieved and analysed.

Results

Out of 97 mares treated with SFL for correction of UT, 87 (89.7%) animals were Straight Egyptian Arabian mares. The median age of the Straight Egyptian Arabian mares presented with UT was 12 ± 2.3 years (Range: 5–18 and IQR: 7–15 years). The median gestational age at the time of occurrence of UT was 270 ± 2.4 days (Range: 210–315 and IQR: 255–260 days). The majority of UT (75.9%) was recorded ≤270 days. The direction of torsion was clockwise in 36 (41.4%) mares and anticlockwise in 51 (58.6%) mares. The degree of UT ranged between <180° and ≥360°. After surgery, 82/87 (94.3%) mares successfully delivered a live foal. However, four mares (4.6%) aborted after 2–15 days of surgery and one mare (1.1%) died after surgery due to rectal tears and intestinal prolapse. Following SFL, 86/87 (98.9%) mares survived. Of the surviving 86 mares, 82 (95.3%) gave birth to viable mature foals. In contrast to the direction of torsion and gender of the foal, the stage of gestation at which UT occurred significantly affected foal survival (p = 0.018).

Conclusion

Pregnant Straight Egyptian Arabian mares are at risk of developing UT during the third trimester of pregnancy. Standing flank laparotomy is an effective operation for treating UT in mares, with good foal and mare survival rates.

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87匹阿拉伯母马站立侧腹剖腹术治疗子宫扭转的疗效分析

背景子宫扭转（UT）是妊娠母马中一种罕见的严重产科疾病。目的记录直立腹腹开腹术（SFL）矫正直系埃及阿拉伯母马UT的效果。研究设计对医疗记录进行回顾性分析。方法分析2018 ~ 2022年所有接受SFL矫正UT的妊娠母马的住院记录。检索并分析其信号、病史、临床体征、诊断技术结果、UT的方向和程度、治疗和预后、再繁殖和复发情况。结果97匹经SFL矫正UT的母马中，87匹（89.7%）为埃及阿拉伯直马。出现UT的埃及阿拉伯直马的中位年龄为12±2.3岁（范围：5-18岁，IQR: 7-15岁）。发生UT时的中位胎龄为270±2.4天（范围：210 ~ 315天，IQR: 255 ~ 260天）。大多数UT（75.9%）记录在≤270天。扭转方向为顺时针方向36匹（41.4%），逆时针方向51匹（58.6%）。UT度在180°~≥360°之间。术后，87匹母马中有82匹（94.3%）成功产下活马驹。然而，4匹母马（4.6%）在手术后2-15天流产，1匹母马（1.1%）因直肠撕裂和肠脱垂术后死亡。经SFL治疗后，86/87（98.9%）母马存活。在幸存的86匹母马中，82匹（95.3%）生下了可存活的成熟马驹。与马驹的扭转方向和性别相反，发生UT的妊娠期对马驹存活率有显著影响（p = 0.018）。结论直系埃及阿拉伯母马妊娠晚期易发生尿路综合征。站立式剖腹手术是治疗母马子宫内膜炎的有效手术，有良好的小马驹和母马成活率。

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来源期刊

Equine Veterinary Education 农林科学-兽医学

CiteScore

2.40

自引率

22.20%

发文量

132

审稿时长

18-36 weeks

期刊介绍： Equine Veterinary Education (EVE) is the official journal of post-graduate education of both the British Equine Veterinary Association (BEVA) and the American Association of Equine Practitioners (AAEP). Equine Veterinary Education is a monthly, peer-reviewed, subscription-based journal, integrating clinical research papers, review articles and case reports from international sources, covering all aspects of medicine and surgery relating to equids. These papers facilitate the dissemination and implementation of new ideas and techniques relating to clinical veterinary practice, with the ultimate aim of promoting best practice. New developments are placed in perspective, encompassing new concepts and peer commentary. The target audience is veterinarians primarily engaged in the practise of equine medicine and surgery. The educational value of a submitted article is one of the most important criteria that are assessed when deciding whether to accept it for publication. Articles do not necessarily need to contain original or novel information but we welcome submission of this material. The educational value of an article may relate to articles published with it (e.g. a Case Report may not have direct educational value but an associated Clinical Commentary or Review Article published alongside it will enhance the educational value).