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Digoxin withdrawal in patients with sinus rhythm
Summary
For elderly patients with sinus rhythm, stopping maintenance digoxin treatment was unnecessary in 90% of cases. This study assessed clinical and echocardiographic outcomes after digoxin withdrawal in outpatients.
Area of Science:
- Cardiology
- Geriatric Medicine
- Clinical Pharmacology
Background:
- Digoxin is a cardiac glycoside commonly prescribed for heart conditions.
- Its long-term necessity in elderly patients with sinus rhythm requires evaluation.
- Maintenance therapy aims to sustain clinical benefit and prevent relapse.
Purpose of the Study:
- To assess the need for maintenance digoxin treatment in elderly outpatients with sinus rhythm.
- To determine the clinical and physiological effects of discontinuing digoxin.
- To evaluate the safety and efficacy of stopping digoxin in this specific patient group.
Main Methods:
- A prospective trial involving 10 elderly outpatients with sinus rhythm.
- Digoxin was withdrawn, while other medications remained unchanged.
- Weekly clinical assessments, systolic time intervals, and M-mode echocardiography were performed over 5 weeks.
Main Results:
- Clinical condition deteriorated in 2 out of 10 patients after digoxin withdrawal.
- The remaining 8 patients tolerated the cessation of digoxin without adverse effects.
- Maintenance digoxin therapy was found to be unnecessary in 90% of the selected cohort.
Conclusions:
- Maintenance digoxin treatment is likely unnecessary for a significant majority of elderly outpatients with sinus rhythm.
- Careful patient selection and monitoring are crucial when considering digoxin withdrawal.
- Further research could explore predictors of digoxin response in this population.