Gastric emptying of nondigestible radiopaque markers after circumcostal gastropexy in clinically normal dogs and dogs with gastric dilatation-volvulus

Jean A. Hall From the departments of Physiology (Hall), Clinical Sciences (Willer, Seim, Twedt), and Radiology and Radiation Biology (Lebel), College of Veterinary Medicine and Biomedical Sciences, Colorado State University, Fort Collins, CO 80523.

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Randy L. Willer From the departments of Physiology (Hall), Clinical Sciences (Willer, Seim, Twedt), and Radiology and Radiation Biology (Lebel), College of Veterinary Medicine and Biomedical Sciences, Colorado State University, Fort Collins, CO 80523.

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Howard B. Seim III From the departments of Physiology (Hall), Clinical Sciences (Willer, Seim, Twedt), and Radiology and Radiation Biology (Lebel), College of Veterinary Medicine and Biomedical Sciences, Colorado State University, Fort Collins, CO 80523.

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Jack L. Lebel From the departments of Physiology (Hall), Clinical Sciences (Willer, Seim, Twedt), and Radiology and Radiation Biology (Lebel), College of Veterinary Medicine and Biomedical Sciences, Colorado State University, Fort Collins, CO 80523.

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David C. Twedt From the departments of Physiology (Hall), Clinical Sciences (Willer, Seim, Twedt), and Radiology and Radiation Biology (Lebel), College of Veterinary Medicine and Biomedical Sciences, Colorado State University, Fort Collins, CO 80523.

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SUMMARY

Using radiopaque particles mixed with food, gastric emptying was assessed in healthy dogs not subjected to surgery, in healthy dogs 9 to 35 days after circumcostal gastropexy, and, in dogs 1 to 54 months after surgical treatment and recovery from gastric dilatation-volvulus (gdv). Circumcostal gastropexy surgery did not alter the 90% gastric emptying time for radiopaque particles in healthy dogs. However, 90% gastric emptying time was significantly (P < 0.05) increased after circumcostal gastropexy in dogs with gdv, compared with healthy dogs after the same surgical procedure and recovery period. These results imply that dogs with gdv have delayed gastric emptying of solid particles. Whether delayed gastric emptying of markers detected in affected dogs after surgical treatment and recovery was the result or the cause of gdv was not determined.

Results indicate that circumcostal gastropexy could be recommended as a prophylactic procedure for gdv in large breeds with deep thorax, because delayed gastric emptying of markers secondary to the surgical procedure is unlikely.

SUMMARY

Using radiopaque particles mixed with food, gastric emptying was assessed in healthy dogs not subjected to surgery, in healthy dogs 9 to 35 days after circumcostal gastropexy, and, in dogs 1 to 54 months after surgical treatment and recovery from gastric dilatation-volvulus (gdv). Circumcostal gastropexy surgery did not alter the 90% gastric emptying time for radiopaque particles in healthy dogs. However, 90% gastric emptying time was significantly (P < 0.05) increased after circumcostal gastropexy in dogs with gdv, compared with healthy dogs after the same surgical procedure and recovery period. These results imply that dogs with gdv have delayed gastric emptying of solid particles. Whether delayed gastric emptying of markers detected in affected dogs after surgical treatment and recovery was the result or the cause of gdv was not determined.

Results indicate that circumcostal gastropexy could be recommended as a prophylactic procedure for gdv in large breeds with deep thorax, because delayed gastric emptying of markers secondary to the surgical procedure is unlikely.

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