Small intestinal volvulus in a free‐ranging female dugong (<i>Dugong dugon</i>)

A, Gillespie; Burgess, Elizabeth A.; Lanyon, Janet M.; Owen, Helen

doi:10.1111/j.1751-0813.2011.00791.x

Cited by 9 publications

(10 citation statements)

References 15 publications

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“…Typical lesions found at necropsy in this case series are analogous to those seen in other mammals. 1,4,7,14,18,28,30 The absence of severe congestion and edema of the wall of the twisted intestine in case No. 18 is intriguing.…”

Section: Discussionmentioning

confidence: 99%

“…23 Eighteen odontocete cetaceans (case Nos. [1][2][3][4][5][6][7][8][9][10][11][12][13][14][15][16][17][18], examined between 1991 and 2011, associated with 11 institutions, met the criteria for inclusion. There were no cases reported in the suborder Mysticeti.…”

Section: Methodsmentioning

confidence: 99%

“…22,25 It is mentioned as the cause of death in 1 free-ranging sea otter (Enhydra lutris), 26 and there are case reports of an adult male captive stellar sea lion (Eumetopias jubatus) 19 and a freeranging adult female dugong (Dugong dugon). 7 Within several large case series of cetaceans, intestinal volvulus was listed as the cause of death for 2 bottlenose dolphins (Tursiops truncatus), 27 a harbor porpoise (Phocoena phocoena 13 ; case No. 1, Table 1), and a beluga whale (Delphinapterus leucas).…”

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confidence: 99%

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Intestinal Volvulus in Cetaceans

et al. 2012

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Intestinal volvulus was recognized as the cause of death in 18 cetaceans, including 8 species of toothed whales (suborder Odontoceti). Cases originated from 11 institutions from around the world and included both captive (n ¼ 9) and free-ranging (n ¼ 9) animals. When the clinical history was available (n ¼ 9), animals consistently demonstrated acute dullness 1 to 5 days prior to death. In 3 of these animals (33%), there was a history of chronic gastrointestinal illness. The pathological findings were similar to those described in other animal species and humans, and consisted of intestinal volvulus and a well-demarcated segment of distended, congested, and edematous intestine with gas and bloody fluid contents. Associated lesions included congested and edematous mesentery and mesenteric lymph nodes, and often serofibrinous or hemorrhagic abdominal effusion. The volvulus involved the cranial part of the intestines in 85% (11 of 13). Potential predisposing causes were recognized in most cases (13 of 18, 72%) but were variable. Further studies investigating predisposing factors are necessary to help prevent occurrence and enhance early clinical diagnosis and management of the condition.

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Section: Discussionmentioning

confidence: 99%

Section: Methodsmentioning

confidence: 99%

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confidence: 99%

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Intestinal Volvulus in Cetaceans

et al. 2012

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“…It is possible that dugongs are predisposed to volvulus because, like horses, they have a long gut that is relatively mobile with long, mesenteric attachments (Gillespie et al, 2011).…”

Section: Discussionmentioning

confidence: 99%

Postmortem Findings From Dugong (Dugong Dugon) Submissions to the University of Queensland: 1997–2010

Owen

Wilkie

2012

Journal of Wildlife Diseases

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ABSTRACT:To better record and characterize mortality in the declining population of dugong (Dugong dugon) in southeast Queensland, Australia, animals were collected and brought to the University of Queensland for postmortem examination. Fifty-five animals were examined over a 14-yr period. Human activities commonly caused the animal death. Several deaths were attributed to primary or secondary infections and idiopathic and degenerative diseases. A significant proportion of animals were found to have nonspecific signs of chronic debility, but the causes of disease and mortality in these cases remains to be identified.

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“…Volvulus is the rotation of a segment of the intestine >180° clockwise or anticlockwise on its mesenteric axis [1] . Compressions of thin-walled veins in the mesentery lean towards to happen before the influx of arterial blood is obstructed.…”

Section: Introductionmentioning

confidence: 99%