Diltiazem Prophylaxis for the Prevention of Atrial Fibrillation in Patients Undergoing Thoracoabdominal Esophagectomy: A Retrospective Cohort Study.
Abstract
Atrial fibrillation (AF) represents the most frequent arrhythmic disorder after thoracoabdominal esophageal resection and is associated with a significant increase in perioperative morbidity and mortality. In this retrospective cohort study, 167 patients who underwent thoracoabdominal esophagectomy at a large university hospital were assessed. We compared patients who received a 14-day postoperative course of diltiazem with a control group of patients who did not undergo diltiazem prophylaxis. Diltiazem therapy started immediately upon admission to the intensive care unit (ICU) with a loading dose of 0.25 mg/kg bodyweight (i.v.) followed by continuous infusion (0.1 mg/kg bodyweight/h) for 40-48 h. Oral administration (Dilzem® 180 mg uno retard, once a day) was started on postoperative day 3. A total of 117 patients were assessed. Twelve (10.3%) of all patients developed postoperative new-onset atrial fibrillation in the first 30 days after surgical intervention. Prevalence of new-onset AF showed no significant differences between the diltiazem group and control group (p = 0.74). The prevalence of bradycardia (14.7% vs. 3.6%; p = 0.03) and dose of norepinephrine required (0.09 vs. 0.04 µg/kg bodyweight/min; p = 0.04) were higher...Continue Reading
References
2016 ESC Guidelines for the management of atrial fibrillation developed in collaboration with EACTS.
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