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  • Author or Editor: Jackie L. Demetriou x
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OBJECTIVE To determine from MRI measurements whether soft palate length (SPL) and thickness are correlated in dogs, evaluate the association between the olfactory bulb angle (OBA) and degree of brachycephalia, and determine the correlation between soft palate–epiglottis overlap and OBA in dogs.

ANIMALS 50 brachycephalic and 50 nonbrachycephalic client-owned dogs without abnormalities of the head.

PROCEDURES Medical records and archived midsagittal T2-weighted MRI images of brachycephalic and nonbrachycephalic dogs' heads were reviewed. Group assignment was based on breed. Data collected included weight, SPL and thickness, OBA, and the distance between the caudal extremity of the soft palate and the basihyoid. Soft palate length and thickness were adjusted on the basis of body weight.

RESULTS Brachycephalic dogs had significantly thicker soft palates and lower OBAs, compared with findings for nonbrachycephalic dogs. There was a significant negative correlation (r 2 = 0.45) between OBA and soft palate thickness. The correlation between SPL and OBA was less profound (r 2 = 0.09). The distance between the caudal extremity of the soft palate and the basihyoid was shorter in brachycephalic dogs than in nonbrachycephalic dogs. The percentage of epiglottis–soft palate overlap significantly decreased with increasing OBA (r 2 = 0.31).

CONCLUSIONS AND CLINICAL RELEVANCE Results indicated that MRI images can be consistently used to assess anatomic landmarks for measurement of SPL and thickness, OBA, and soft palate-to-epiglottis distance in brachycephalic and nonbrachycephalic dogs. The percentage of epiglottis–soft palate overlap was significantly greater in brachycephalic dogs and was correlated to the degree of brachycephalia.

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in American Journal of Veterinary Research


Objective—To describe the outcome of full-thickness skin grafts used to close skin defects involving the distal aspects of the limbs in cats and dogs and identify factors associated with outcome.

Design—Retrospective case series.

Animals—20 cats and 32 dogs with a skin defect involving the distal aspect of a limb that received 58 full-thickness skin grafts between 2005 and 2012.

Procedures—Data regarding patient signalment, location and cause of the skin defect, surgical and anesthetic duration, and postoperative bandaging protocol were obtained from the medical records. Graft outcome was assessed by interpreting descriptions in the records; skin viability over ≥ 75% of the graft area between 7 and 14 days after surgery was considered a successful outcome.

Results—For 4 of the 58 grafts, graft outcome could not be determined from the medical record. For the remaining grafts, success rate was significantly higher for grafts placed in cats (17/22 [77%]) than in dogs (12/32 [38%]). The overall complication rate was 50%; complications included skin graft failure, donor site dehiscence, and bandage-induced sloughing of skin adjacent to the graft recipient site. In addition to species, anatomic location of the skin defect was identified as a prognostic indicator of graft outcome.

Conclusions and Clinical Relevance—Full-thickness skin grafting had a higher success rate in cats than in dogs. Skin grafts applied to the antebrachium, compared with other locations on the distal aspects of the limbs, were associated with a poorer prognosis.

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in Journal of the American Veterinary Medical Association