Abstract
ABSTRACT An 11-year (2007-2018) survey of epidemiological, clinical and pathological findings of horses with primary gastric rupture (PGR) was conducted. Twenty horses presented PGR, nine (45%) horses were clinically evaluated, eleven (55%) were sent dead, and all animals were necropsied. PGR contributed to a prevalence of 0.31% (9/2,868) of all equid attendances, 1.83% (9/491) of colic cases, and 4.1% (20/487) of all equid necropsies. Highly fermentable feed (n=7), gastric impaction (n=4), and perforating gastric ulcer (n=1) were the main causes of PGR; whilst eight horses presented idiopathic gastric rupture. Clinically evaluated horses were tachycardic, tachypneic, febrile, dehydrated, with increased abdominal tension, abnormal mucous membranes and reduced to absent intestinal borborygmi. Improper dietary management, such as the ingestion of low-quality roughage and highly fermentable feedstuffs were detected as the main factors associated with PGR in Midwestern Brazil. It is important to raise awareness in horse owners about proper feed management to minimize PGR.
Highlights
Gastric ruptures are an almost invariably fatal complication of equine colic, and mostly result from over distension of the stomach by ingesta, fluid or gas, and due to perforating gastric ulcers (Dechant and Winfield, 2017)
Our data shows more than a three-fold prevalence of primary gastric rupture (PGR) (1.83%) in horses from Midwestern Brazil
The high frequency of gastropathies (24.8%) in our study could justify the higher number of PGR cases
Summary
Gastric ruptures are an almost invariably fatal complication of equine colic, and mostly result from over distension of the stomach by ingesta, fluid or gas, and due to perforating gastric ulcers (Dechant and Winfield, 2017). An 11-year (2007-2018) survey of epidemiological, clinical and pathological findings of horses with primary gastric rupture (PGR) was conducted. Fermentable feed (n=7), gastric impaction (n=4), and perforating gastric ulcer (n=1) were the main causes of PGR; whilst eight horses presented idiopathic gastric rupture.
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