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Clinical Trial Summary

The investigators hypothesize that the medication amiodarone decreases the incidence of atrial fibrillation (AF) following esophagectomy surgery. Their specific aims are to:

Determine the effectiveness of amiodarone for the prevention of AF following esophagectomy surgery; Determine the influence of the prevention of AF following esophagectomy surgery on post-surgical duration of stay in the Intensive Care Unit ICU)and duration of post-surgical hospital stay; and Determine the safety of amiodarone for the prevention of AF following esophagectomy surgery.


Clinical Trial Description

Thousands of patients undergo major esophagectomy surgery in the United States each year, during which all or a portion of the esophagus is removed. A major complication of these surgeries is the occurrence of an irregular heartbeat known as atrial fibrillation (AF), which develops in up to 40% of patients undergoing these procedures. AF is characterized by rapid, irregular, chaotic beating of the two smaller chambers of the heart (the atria), leading to rapid, irregular beating of the two larger chambers (the ventricles). The average time to occurrence of post-surgical AF is 2-3 days following surgery. AF occurring following esophagectomy can result in extremely rapid heart rates, as fast as 150-200 beats per minute, and may be associated with serious consequences, including severely low blood pressure and potentially debilitating stroke. Further, the risk of death following esophagectomy is significantly higher in patients who develop AF compared with those who do not. Therefore, the occurrence of this irregular heartbeat following esophagectomy is associated with severe, potentially life-threatening consequences. Prevention of this irregular heartbeat in these patients may therefore be very important.

Amiodarone is a medication that is known to be effective for prevention and treatment of AF that occurs in patients who have not undergone surgery. In addition, amiodarone has been shown to be effective for prevention of AF following open-chest heart surgery. However, the use of medications for prevention of AF following esophagectomy has not been well studied, and amiodarone has not been studied in a controlled trial for the prevention of AF in this population. In addition, amiodarone is associated with side effects, and it is important to determine the safety of this medication when used in this patient population. ;


Study Design

Allocation: Randomized, Endpoint Classification: Safety/Efficacy Study, Intervention Model: Parallel Assignment, Masking: Open Label, Primary Purpose: Prevention


Related Conditions & MeSH terms


NCT number NCT00420017
Study type Interventional
Source Indiana University
Contact
Status Completed
Phase Phase 4
Start date September 2005
Completion date November 2008

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