Thoracic radiographic findings for dogs with cardiac tamponade attributable to pericardial effusion.
نویسندگان
چکیده
OBJECTIVE To determine the prevalence of various radiographic findings for dogs with cardiac tamponade (CT) attributable to pericardial effusion (PE) and to determine the sensitivity and specificity of such findings for identification of affected dogs. DESIGN Retrospective, randomized, blinded, controlled study. ANIMALS 50 dogs with CT attributable to PE and 23 control dogs (10 healthy dogs and 13 dogs with cardiac diseases other than CT). PROCEDURES Thoracic radiographic images of dogs were evaluated by an observer who was unaware of the dogs' medical histories. For each dog, a vertebral heart score, globoid appearance of the cardiac silhouette, and convexity of the dorsocaudal aspect of the cardiac silhouette were determined. RESULTS The sensitivity and specificity of enlargement of the cardiac silhouette (vertebral heart score, ≥ 10.7) for identification of dogs with CT attributable to PE were 77.6% and 47.8%, respectively. The sensitivity and specificity of a globoid appearance of the cardiac silhouette for identification dogs with CT were 41.9% and 40.0%, respectively. The sensitivity and specificity of a convex appearance of the dorsocaudal aspect of the cardiac silhouette for identification of dogs with CT were 57.1% and 35.0%, respectively. CONCLUSIONS AND CLINICAL RELEVANCE Results of this study indicated none of the evaluated radiographic variables was highly (> 90%) sensitive or specific for identification of dogs with CT attributable to PE. Thoracic radiographic findings should not be considered reliable for identification of dogs with CT attributable to PE.
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ورودعنوان ژورنال:
- Journal of the American Veterinary Medical Association
دوره 243 2 شماره
صفحات -
تاریخ انتشار 2013