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Large colon resection and anastomosis in horses: 52 cases (1996–2006)
Author(s) -
DRISCOLL N.,
BAIA P.,
FISCHER A. T.,
BRAUER T.,
KLOHNEN A.
Publication year - 2008
Publication title -
equine veterinary journal
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.82
H-Index - 87
eISSN - 2042-3306
pISSN - 0425-1644
DOI - 10.2746/042516408x293529
Subject(s) - medicine , ileus , confidence interval , surgery , anastomosis , odds ratio , survival rate , peritonitis , incidence (geometry) , population , mortality rate , survival analysis , physics , environmental health , optics
Summary Reasons for performing study : Large colon resection and anastomosis (LCRA) is the most aggressive method of surgical management of a colon with questionable viability. Currently, published studies are comprised mostly of broodmares and discuss short‐term survival. Objectives : To determine the prognosis for survival after LCRA in a diverse population of horses, report the incidence of post operative complications, and determine if associations between analysed variables and survival rate exist. Methods : The medical records of 52 horses that underwent LCRA were evaluated. Data were used to identify univariable associations with survival as well as complications related to LCRA. Chi‐square, odds ratio with 95% confidence interval, Mann‐Whitney or Kruskal‐Wallis tests were used, with significance set at P<0.05. Results : Forty‐four horses (84.6%) survived anaesthesia and recovery, 30 (57.7%) survived to be discharged from the hospital. Of the variables analysed, heart rate 24 h after recovery was significantly associated with mortality, as were endotoxaemia, ileus and peritonitis experienced post operatively. Conclusions : Heart rate 24 h after recovery may be a more reliable prognostic indicator than other analysed variables. Survival rate and complications after LCRA were similar to those previously reported. Potential relevance : By reporting on LCRA in a diverse group of horses, referral clinics with similar populations may have a better understanding of prognosis and complications associated with the procedure. When a colon with questionable viability is removed, waiting until 24 h after recovery may be advised to allow for a more informed decision regarding prognosis.