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Equine veterinary journal2004; 36(1); 29-33; doi: 10.2746/0425164044864633

Total and partial ovariohysterectomy in seven mares.

Abstract: Ovariohysterectomy appears to have a low mortality rate in mares, but the procedure needs to be reviewed because of the high risk of life-threatening complications. Objective: That ovariohysterectomy can be effective treatment for a variety of uterine diseases in mares and carries a good prognosis. Methods: Diagnosis, clinical data, surgical technique, post operative care, complications and outcome were recorded from medical records of 7 mares that underwent total (6) and partial (1) ovariohysterectomy at the University of Illinois from 1994 to 2001. Results: The indications for ovariohysterectomy were chronic pyometra (4 mares), chronic uterine torsion (n = 2) and chronic intramural haematoma (n = 1). Surgical exposure was difficult but was improved by traction on stay sutures and right-angled clamps. In some cases, application of the TA-90 autosuture instrument as a right-angled clamp to the caudal part of the uterus improved access to the uterine stump. The most common post operative complications were decreased faecal output, decreased intestinal sounds (4 mares) and mild abdominal pain (2). Two mares had mild to moderate incisional infections. Other previously reported complications, such as haemorrhage, septic peritonitis, uterine stump infection or necrosis, and diarrhoea, did not occur. All mares survived over follow-up periods of 6 months to 5 years and were used for riding (6 mares) and embryo transfer (1 mare, after partial ovariohysterectomy). Conclusions: According to this study, the prognosis for mares after ovariohysterectomy appears to be good, despite the technical difficulties of the procedure. The prevalence of life-threatening complications can be lower than reported.
Publication Date: 2004-02-06 PubMed ID: 14756368DOI: 10.2746/0425164044864633Google Scholar: Lookup
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  • Journal Article

Summary

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This research article investigates the effectiveness and risks associated with ovariohysterectomy in mares, and it finds the procedure to be a viable treatment for various uterine diseases, despite its technical complexity and some life-threatening complications.

Objective and Methods

The study aims to demonstrate the effectiveness of ovariohysterectomy (removal of the ovaries and uterus) as a treatment for a range of uterine diseases in mares. This is accomplished by evaluating the medical records of seven mares that underwent this procedure at the University of Illinois between 1994 and 2001. The researchers meticulously recorded and evaluated the diagnosis, clinical data, applied surgical technique, post-operative care, any resulting complications, and the final outcome.

Indications and Surgical Techniques

  • The mares were chosen for the operation due to various health conditions such as chronic pyometra, uterine torsion and intramural hematoma.
  • The surgical procedure was found to be challenging due to the difficulty in gaining exposure. However, the use of traction on stay sutures and right-angled clamps improved the situation.
  • In some cases, the application of a specific instrument (TA-90 autosuture) as a right-angled clamp on the hind part of the uterus was observed to facilitate better access to the uterine stump.

Post-Operative Complications

  • Decreased fecal output and reduced intestinal sounds were seen in four mares following the surgery. Also, mild bouts of abdominal pain were noticed in two mares.
  • Incisional infections of mild to moderate intensity were observed in two mares.
  • However, more serious complications commonly associated with such surgeries, like hemorrhaging, septic peritonitis, uterine stump infection or necrosis, and diarrhea, were not observed in any of the mares.

Outcomes and Conclusions

  • All the mares survived for a follow-up period ranging from six months to five years post-operation. They were used for riding and in one case, for embryo transfer (after partial ovariohysterectomy).
  • Despite the technical difficulties and risks identified, the study concludes that the prognosis for mares post ovariohysterectomy appears to be good.
  • The likelihood of life-threatening complications could potentially be lower than what is generally reported.

Cite This Article

APA
Rötting AK, Freeman DE, Doyle AJ, Lock T, Sauberli D. (2004). Total and partial ovariohysterectomy in seven mares. Equine Vet J, 36(1), 29-33. https://doi.org/10.2746/0425164044864633

Publication

ISSN: 0425-1644
NlmUniqueID: 0173320
Country: United States
Language: English
Volume: 36
Issue: 1
Pages: 29-33

Researcher Affiliations

Rötting, A K
  • University of Illinois, College of Veterinary Medicine, 1008 West Hazelwood Drive, Urbana, Illinois 61802, USA.
Freeman, D E
    Doyle, A J
      Lock, T
        Sauberli, D

          MeSH Terms

          • Animals
          • Chronic Disease
          • Female
          • Horse Diseases / surgery
          • Horses / surgery
          • Hysterectomy / methods
          • Hysterectomy / veterinary
          • Ovariectomy / methods
          • Ovariectomy / veterinary
          • Postoperative Complications / epidemiology
          • Postoperative Complications / veterinary
          • Prevalence
          • Prognosis
          • Retrospective Studies
          • Survival Analysis
          • Treatment Outcome
          • Uterine Diseases / surgery
          • Uterine Diseases / veterinary

          Citations

          This article has been cited 3 times.
          1. Nevard R, Labens R, Stephen CP. Subtotal Ovariohysterectomy Following Fetal Maceration and Pyometra in a Maiden Welsh Pony Mare. Vet Sci 2022 Oct 23;9(11).
            doi: 10.3390/vetsci9110584pubmed: 36356061google scholar: lookup
          2. Krohn J, Ennen S, Hospes R, Nieth J, Wehrend A. Use of a cervical stent for long-term treatment of pyometra in the mare: A report of three cases. Reprod Domest Anim 2019 Aug;54(8):1155-1159.
            doi: 10.1111/rda.13480pubmed: 31145499google scholar: lookup
          3. Cozens ER. Pyometra and complete vaginal adhesion in a miniature horse. Can Vet J 2009 Sep;50(9):971-2.
            pubmed: 19949560