Comparison of in-hospital versus 24-hour ambulatory electrocardiography for detection of ventricular premature complexes in mature Boxers |
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| Authors: | Meurs K M Spier A W Wright N A Hamlin R L |
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| Institution: | Department of Clinical Sciences, College of Veterinary Medicine, The Ohio State University, Columbus 43210, USA. |
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| Abstract: | OBJECTIVE: To evaluate the use of in-hospital electrocardiography (ECG) for detection of ventricular premature complexes (VPC), compared with 24-hour ambulatory ECG. DESIGN: Original study. ANIMALS: 188 Boxers > 9 months old; 31 had a history of syncope, and 157 were healthy (no history of syncope). PROCEDURE: In-hospital ECG was performed on all Boxers for at least 2 minutes. Within 7 days after the in-hospital ECG was completed, 24-hour ambulatory ECG was performed. RESULTS: The specificity of in-hospital ECG was 100% for the detection of at least 50 VPC in a 24-hour period in dogs with syncope and 93% in healthy dogs. In-hospital ECG had poor sensitivity, although sensitivity increased as the number of VPC per 24 hours increased. CONCLUSIONS AND CLINICAL RELEVANCE: Use of in-hospital ECG is highly specific for detection of at least 50 VPC during a 24-hour period. However, in-hospital ECG is insensitive, and a lack of VPC does not suggest that the dog does not have a substantial number of VPC during that same period. The use of in-hospital ECG appears to be inadequate for screening purposes and therapeutic evaluations in mature Boxers with ventricular arrhythmic disease. |
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