Recurrence rate and predictors in non-ischemic reversible bradyarrhythmias.
Sudhanshu Kumar Dwivedi1, Akhil Kumar Sharma1, Anant Agrawal1
1Department of Cardiology, King George's Medical University, Lucknow, India.
Frontiers in Cardiovascular Medicine
|October 24, 2024
Summary
Non-ischemic bradyarrhythmia often recurs, necessitating permanent cardiac pacing in some patients. Advanced atrioventricular block and bifascicular block predict recurrence, guiding treatment decisions for this common condition.
Area of Science:
- Cardiology
- Electrophysiology
- Internal Medicine
Background:
- Non-ischemic symptomatic reversible bradyarrhythmia presents a common yet poorly understood clinical challenge.
- Understanding recurrence risk and pacing needs is crucial for patient management.
Purpose of the Study:
- To determine the incidence and predictors of recurrence in non-ischemic symptomatic reversible bradyarrhythmia.
- To assess the need for permanent cardiac pacing in these patients.
Main Methods:
- A prospective single-center study included 124 adult patients with non-ischemic symptomatic reversible bradyarrhythmia.
- Follow-up extended to 24 months, analyzing recurrence, readmission, and mortality.
- Univariate and multivariate analyses identified predictors of adverse outcomes.
Main Results:
- Sinus node disease (66.1%) and atrioventricular node disease (33.9%) were primary findings.
- Negative chronotropic drugs (58.1%) and hyperkalemia (55.6%) were common causes.
- Permanent pacing was required in 21.8% of patients post-recurrence.
Conclusions:
- Non-ischemic symptomatic reversible bradyarrhythmia carries a significant risk of recurrence.
- Advanced atrioventricular block and bifascicular block are independent predictors of pacing need.
- Consider permanent pacing during initial hospitalization for high-risk patients.
Keywords:
atrioventricular node dysfunctionnon-ischemic bradyarrythmiapermanent pacemaker implantationreversible bradyarrhythmiasinus node dysfunctionMore Related Videos
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