Annals of thoracic and cardiovascular surgery : official journal of the Association of Thoracic and Cardiovascular Surgeons of Asia · 2021
Treatment of Postoperative New Onset Atrial Fibrillation with Repolarization Delaying Agents after Heart Surgery.
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Sipahi Firat Nihat, Sugimura Yukiharu, Boeken Udo, Yilmaz Esma, Makimoto Hisaki, Lichtenberg Artur, Dalyanoĝlu Hannan
Аннотация
PURPOSE: The aim of this study was to evaluate the efficacy of the multichannel-blocker dronedarone for postoperative new onset atrial fibrillation (POAF) as compared to amiodarone.
METHODS: Out of 990 patients who underwent cardiothoracic surgery between March 2011 and March 2012, 166 patients who developed POAF and treated with amiodarone or dronedarone were enrolled in this study.
RESULTS: Eighty-nine patients were treated with amiodarone and 77 patients were treated with dronedarone at discharge. Seventy-five percent of patients with dronedarone were treated initially with intravenous amiodarone but quickly converted to oral dronedarone as soon as the mechanical ventilation was weaned off. The rate of conversion in sinus rhythm was not influenced by the resulting amiodarone-to-dronedarone crossover as compared to oral dronedarone only (p <0.247 at the ICU and p <0.640 at the normal care unit). At hospital discharge sinus rhythm was documented in 44% of the amiodarone patients and 99% of the dronedarone patients (p <0.001). The maintenance of sinus rhythm was demonstrated in 82% of the amiodarone patients versus 81% of the dronedarone patients at 6-month follow-up (p <0.804).
CONCLUSIONS: Our data demonstrated the higher conversion rate to sinus rhythm in the early phase in the dronedarone group despite a comparable conversion rate in the mid-term phase compared to amiodarone.
METHODS: Out of 990 patients who underwent cardiothoracic surgery between March 2011 and March 2012, 166 patients who developed POAF and treated with amiodarone or dronedarone were enrolled in this study.
RESULTS: Eighty-nine patients were treated with amiodarone and 77 patients were treated with dronedarone at discharge. Seventy-five percent of patients with dronedarone were treated initially with intravenous amiodarone but quickly converted to oral dronedarone as soon as the mechanical ventilation was weaned off. The rate of conversion in sinus rhythm was not influenced by the resulting amiodarone-to-dronedarone crossover as compared to oral dronedarone only (p <0.247 at the ICU and p <0.640 at the normal care unit). At hospital discharge sinus rhythm was documented in 44% of the amiodarone patients and 99% of the dronedarone patients (p <0.001). The maintenance of sinus rhythm was demonstrated in 82% of the amiodarone patients versus 81% of the dronedarone patients at 6-month follow-up (p <0.804).
CONCLUSIONS: Our data demonstrated the higher conversion rate to sinus rhythm in the early phase in the dronedarone group despite a comparable conversion rate in the mid-term phase compared to amiodarone.