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OJVRTM
Online
Journal of Veterinary Research©
(Including Medical and Laboratory Research)
Established 1994
ISSN 1328-925X
Volume 26 (8): 626-632, 2022..
Obstruction of small intestine, clinical
signs and histopathology in donkeys.
HA Youssef, Magda M Ali.
Faculty of Veterinary Medicine, Assiut
University
abstract
Youssef HA, Magda MA., Obstruction of small intestine,
clinical signs and histopathology in donkeys, Onl J
Vet Res., 26 (8): 626-632,
2022. Authors describe strangulation obstruction of small
intestine and associated signs and histopathological changes in donkeys. Four groups
of 5 adult donkeys each were subjected under general anesthesia to
strangulation obstruction of small
intestine for 3, 6, 9 or 12h euthanized at 3, 6, 9 and 12 hours
postoperatively. Five controls were operated but not obstructed. Clinical
examinations were done before surgery and at 3 hour intervals postoperatively.
We performed microscopy of obstruction and 10cm, 1, 2 and 3 meters, cranial to
it. We found reduced body temperature, but increased respiration, pulse, heart
rates and capillary refilling times. At
3h, gross changes at obstruction were congestion, edema and dark red
discoloration of intestinal wall and mesentery which increased dramatically at
6, 9 and 12h. Tissue at obstruction at 9 and 12 hours postoperatively showed
severe congestion, dark brown to blackish discoloration with fibrous shreds on
the strangulated segment. Distension of intestine cranial to the strangulation
extended more cranially by increasing the period of strangulation. Petecheal hemorrhages were observed in the intestinal wall
and mesentery up to 3 meters. Our findings suggest that surgery should resect normal
bowel cranially rather to avoid further lesions.
Key Words: Equids, intestine, obstruction, signs, microscopy.
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