Vomiting and Gastrointestinal Obstruction in a Red-Footed Tortoise (Chelonoidis carbonaria)

Romeijer, Charlotte; Beaufrère, Hugues; Laniesse, Delphine; Birch, Sarah M.; Mackenzie, Shawn; Melville, Lisa; Moens, Noël M. M.

doi:10.5818/1529-9651-26.1-2.32

Cited by 5 publications

(4 citation statements)

References 11 publications

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“…However, the presence of a distended stomach does not provide significant information on the actual location of the obstruction through the small intestinal tract or on its size and characteristics, 2 and does not completely rule out a functional obstruction. The computed tomographic appearance of trichobezoars and phytobezoars has been previously described in humans and a few other species 16–18 . They have been described as mottled or heterogenous structures and have overlapping features with the structures identified in the rabbits in this case series 16–18 .…”

Section: Discussionsupporting

confidence: 57%

“…The computed tomographic appearance of trichobezoars and phytobezoars has been previously described in humans and a few other species. [16][17][18] They have been described as mottled or heterogenous structures and have overlapping features with the structures identified in the rabbits in this case series. [16][17][18] Given the small size of the material in these cases, differentiation of the composition of the material was not possible.…”

Section: Discussionmentioning

confidence: 77%

“…[16][17][18] They have been described as mottled or heterogenous structures and have overlapping features with the structures identified in the rabbits in this case series. [16][17][18] Given the small size of the material in these cases, differentiation of the composition of the material was not possible. Based on our study, a CT scan may fill a critical gap in the management of rabbits with suspected intestinal obstruction, being able to visualize both the location and the characteristics of the obstructive foreign body.…”

Section: Discussionmentioning

confidence: 83%

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Computed tomographic diagnosis and clinical outcomes of small intestinal obstruction caused by trichobezoars in client‐owned rabbits

Di Girolamo,

Tollefson

2024

Vet Radiology Ultrasound

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Small intestinal obstruction in rabbits, although demonstrated to be common, is still poorly characterized. The objective of this study was to report features of small intestinal obstruction caused by trichobezoars in rabbits upon CT and their clinical outcomes. Rabbits with a diagnosis of intestinal obstruction that underwent CT scanning were included in this study. From each CT scan, obstruction location, appearance, Hounsfield units, size (mm), volume (mm3), distance from the stomach, and diameter of the small intestine proximal and distal to it, were extracted. Nine rabbits were included in the study. All rabbits presented for anorexia and had a distended or enlarged stomach (7) or abdomen (2). CT scan showed a non‐contrast‐enhancing, ovoid, smoothly marginated structure with a hyperattenuating rim, heterogeneous center, and variable amount of centrally located gas, in the duodenum (5), the jejunum (2), or the ileum (2). The density of the trichobezoars ranged from −156 to 58 HU (median, −44 HU) and volume ranged from 86.1 to 633.8 mm3 (median, 320.6 mm3). Three rabbits underwent medical management. Two of them survived, and one of them died. Six rabbits underwent surgery, of which three were successfully discharged from the hospital. CT proved to be a valuable imaging modality in rabbits with a suspected intestinal obstruction to provide the exact location of the obstruction and the characteristics of the obstructive material. The location and size of the trichobezoar may have relevant clinical implications.

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Section: Discussionsupporting

confidence: 57%

Section: Discussionmentioning

confidence: 77%

Section: Discussionmentioning

confidence: 83%

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Computed tomographic diagnosis and clinical outcomes of small intestinal obstruction caused by trichobezoars in client‐owned rabbits

Di Girolamo,

Tollefson

2024

Vet Radiology Ultrasound

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“…In addition, we think that if the stomach is full, there is a risk of gastric torsion if a complete turn is made towards the same sense of the initial rolling. There has been a reported risk of gastric torsions in herbivorous tortoises [ 30 ].…”

Section: Discussionmentioning

confidence: 99%

Symmetry-Breaking Stabilities in Carapace Curvature on Testudo (Reptilia, Testudinidae)

Casanova¹,

Soler

Buisán³

et al. 2022

Animals

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The aim of this research was to contribute to the study of the doming geometry of Testudo carapace as an unstable point of equilibrium when animals are overturned. We performed this research using geometric morphometric using a sample of 64 Testudo individuals belonging to different species (T. hermanni n = 30, T. graeca n = 3, T. marginata n = 13 and T. horsfieldii n = 18), sexes and ages. A set of four sagittal landmarks (discrete homologous points) and 15 pairs of semi-landmarks, on the frontal doming of the carapace, were digitized on individual carapace pictures. Significative fluctuating asymmetry was detected, defined as small, completely random departures from bilateral symmetry, but much less than directional asymmetry, which appeared highly significative. Anti-symmetry did not appear. Carapace asymmetry was dominated by a clear right directionality. A possible biological speculation could be that this asymmetry more that easing the self-righting potential (“kinematic instability”, understood as the ability to self-right without effort), makes stable ventral turning difficult (“static stability”, understood as the ability to resist passively turning the body produced by destabilizing forces). This asymmetry is present among both sexes but osimmore marked among males. An explanation for this sexually differentiated pattern could be the higher locomotion and the fight for mating in males, making them consequently more prone to losing their balance and falling on their back. These data may be useful in studying adaptative traits in Testudo species as well as establishing a seminal base for future studies. This research is the first attempt to explore a suitable method to assess doming asymmetry which could be useful in future, more extensive investigations, on a larger interspecific sample.

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Reptiles

Mehler,

Bennett

2021

Surgery of Exotic Animals

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Vomiting and Gastrointestinal Obstruction in a Red-Footed Tortoise (Chelonoidis carbonaria)

Cited by 5 publications

References 11 publications

Computed tomographic diagnosis and clinical outcomes of small intestinal obstruction caused by trichobezoars in client‐owned rabbits

Computed tomographic diagnosis and clinical outcomes of small intestinal obstruction caused by trichobezoars in client‐owned rabbits

Symmetry-Breaking Stabilities in Carapace Curvature on Testudo (Reptilia, Testudinidae)

Reptiles

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