Key result
Anesthesia with isoflurane, sevoflurane, or propofol significantly reduced noise levels during high-resolution electrocardiography in dogs with Chagas' disease without altering QRS, LAS40, or RMS40.
Why the study?
Does tranquilization or anesthesia alter high-resolution electrocardiographic indices in dogs with chronic chagasic myocardiopathy?
Population
8 adult female mongrel dogs in the undetermined chronic phase of Chagas' disease
Comparison
Tranquilization or general anesthesia vs No tranquilization or anesthesia
Design
Preclinical
Follow-up
15 days between assessments
Authors
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Anesthesia may facilitate high-resolution ECG in chagasic dogs; leaves open translation to clinical veterinary practice.
Does tranquilization or anesthesia alter high-resolution electrocardiographic indices in dogs with chronic chagasic myocardiopathy?
Anesthesia facilitates high-resolution ECG recording in dogs with Chagas' disease by reducing noise without altering key electrocardiographic indices.
Ferreira et al. (2006) studied Undetermined chronic phase of Chagas' disease (n=8). Tranquilization and anesthesia protocols (acepromazine, buprenorphine, isoflurane, sevoflurane, propofol) vs. No tranquilization or anesthesia was evaluated on High-resolution electrocardiography (HRECG) indices (QRS duration, LAS40, RMS40, noise level). Anesthesia with isoflurane, sevoflurane, or propofol significantly reduced noise levels during high-resolution electrocardiography in dogs with Chagas' disease without altering QRS, LAS40, or RMS40.
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