DIETMAR GANN, M.D.; ALFONSO TOLENTINO, M.D.; PHILIP SAMET, M.D.
One hundred three patients with persistent sinus bradycardia were evaluated electrophysiologically and followed prospectively for a mean of 4.6 years. The 5-year survival rate was 74.8%, not significantly different from the 72% rate in the general population with similar age and sex distribution. Forty-one patients had abnormal corrected sinus-node recovery time. Overall accuracy of abnormal corrected sinus-node recovery time in predicting serious sinus node disease in symptomatic and asymptomatic patients was 90% (37 of 41 patients) and 100% in patients with syncope (18 of 18 patients). The sensitivity of the test was 66%. Abnormal corrected sinus-node recovery time in patients with sinus bradycardia appears to be a valuable specific, predictive index of serious sinus node disease and therefore a useful test in selecting patients for pacemaker therapy, especially if symptoms such as dizziness or syncope are present.
GANN D, TOLENTINO A, SAMET P. Electrophysiologic Evaluation of Elderly Patients with Sinus Bradycardia: A Long-Term Follow-Up Study. Ann Intern Med. ;90:24–29. doi: 10.7326/0003-4819-90-1-24
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Published: Ann Intern Med. 1979;90(1):24-29.
Cardiology, Geriatric Medicine, Rhythm Disorders and Devices.
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