Cardiopulmonary measurements in dogs undergoing gastropexy without gastrectomy for correction of gastric dilatation-volvulus

Ann E. Wagner From the Departments of Clinical Sciences (Wagner, Dunlop) and Statistics (Chapman), College of Veterinary Medicine and Biomedical Sciences, Colorado State University, Fort Collins, CO 80523.

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 DVM, MS, DACVP, DACVA
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Colin I. Dunlop From the Departments of Clinical Sciences (Wagner, Dunlop) and Statistics (Chapman), College of Veterinary Medicine and Biomedical Sciences, Colorado State University, Fort Collins, CO 80523.

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 BVSc, DACVA
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Phillip L. Chapman From the Departments of Clinical Sciences (Wagner, Dunlop) and Statistics (Chapman), College of Veterinary Medicine and Biomedical Sciences, Colorado State University, Fort Collins, CO 80523.

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 PhD

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Objective

To measure cardiopulmonary variables, including cardiac index, in dogs with naturally acquired gastric dilatation-volvulus (GDV).

Design

Prospective clinical study.

Animals

6 dogs with GDV.

Procedure

In addition to typical medical and surgical management of GDV, the dorsal metatarsal and pulmonary arteries and right atrium of the dogs were catheterized to obtain cardiopulmonary measurements before and during anesthesia and surgery.

Results

All dogs underwent gastropexy but none required gastrectomy. Mean cardiac index and mean arterial blood pressure for this small population of dogs with GDV were not significantly different from those reported for clinically normal awake or anesthetized dogs.

Conclusions and Clinical Relevance

Dogs with naturally acquired GDV without gastric necrosis may not have the classic characteristics, including decreased cardiac index and hypotension, of hypovolemic circulatory shock. (J Am Vet Med Assoc 1999;215:484—488).

Objective

To measure cardiopulmonary variables, including cardiac index, in dogs with naturally acquired gastric dilatation-volvulus (GDV).

Design

Prospective clinical study.

Animals

6 dogs with GDV.

Procedure

In addition to typical medical and surgical management of GDV, the dorsal metatarsal and pulmonary arteries and right atrium of the dogs were catheterized to obtain cardiopulmonary measurements before and during anesthesia and surgery.

Results

All dogs underwent gastropexy but none required gastrectomy. Mean cardiac index and mean arterial blood pressure for this small population of dogs with GDV were not significantly different from those reported for clinically normal awake or anesthetized dogs.

Conclusions and Clinical Relevance

Dogs with naturally acquired GDV without gastric necrosis may not have the classic characteristics, including decreased cardiac index and hypotension, of hypovolemic circulatory shock. (J Am Vet Med Assoc 1999;215:484—488).

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