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  • Author or Editor: Mark Flückiger x
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Objective—To evaluate by use of radiography the efficacy of oral administration of magnets in the treatment of traumatic reticuloperitonitis in cows.

Animals—90 cows referred because of indigestion.

Procedure—Radiography of the reticulum was performed. In all cows, radiographic findings revealed a metal foreign body in the reticulum. A magnet was administered orally, and the reticulum was again radiographed to assess the position of the magnet and to determine whether the foreign body was attached to the magnet.

Results—The magnet was observed in the reticulum in 75 cows and in the cranial aspect of the dorsal sac of the rumen in 9 cows; in 6 cows, the magnet was not observed. The foreign body was fully attached to the magnet in 49 cows. In 6 cows, the foreign body was in contact with the magnet but still penetrated the reticulum. In 24 cows, the foreign body did not contact the magnet, and in 11 cows, it was not clear whether the foreign body was attached to the magnet. A foreign body at an angle to the ventral aspect of the reticulum of > 30° was less likely to become attached to a magnet, compared with a foreign body situated horizontally on the ventral aspect of the reticulum. A foreign body with no contact to the ventral aspect of the reticulum or a perforating foreign body was also less likely to become attached to a magnet.

Conclusion and Clinical Relevance—Position of the foreign body within the reticulum greatly influences the efficacy of treatment with a magnet. (Am J Vet Res 2003;64:115–120)

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in American Journal of Veterinary Research


Objective—To identify radiographic abnormalities associated with degenerative lumbosacral stenosis (DLSS) in German Shepherd Dogs (GSDs) and determine whether specific radiographic abnormalities could be used to identify dogs at risk of developing DLSS.

Design}Cohort study.

Animals—33 GSDs working as police dogs.

Procedures—Results of physical, neurologic, and orthopedic examinations were used to identify dogs with DLSS. Survey radiography of the lumbosacral junction was performed, and radiographs were compared with radiographs obtained 3 years earlier.

Results—DLSS was diagnosed in 15 of the 33 (45%) dogs. Thirteen of the 15 dogs with DLSS and 14 of the 18 dogs without DLSS had radiographic abnormalities of the lumbosacral junction. Twenty-two (67%) dogs were able to perform unrestricted duties, including 3 dogs with suspected DLSS. Six (18%) dogs had been excluded from active duty during the period of surveillance because of DLSS. Significant progression in specific clinical and radiographic signs was detected, but multiple logistic regression analysis did not identify any radiographic signs that could be used to predict the development of DLSS.

Conclusions and Clinical Relevance—Results suggested that survey radiography cannot be used to predict development of DLSS in working GSDs.

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in Journal of the American Veterinary Medical Association