David Amar, MD
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Amar D.; Perioperative Supraventricular Tachyarrhythmia. Ann Intern Med. 1999;130:863-864. doi: 10.7326/0003-4819-130-10-199905180-00023
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Published: Ann Intern Med. 1999;130(10):863-864.
TO THE EDITOR:
I read with interest Polanczyk and colleagues' article (1) on perioperative supraventricular tachyarrhythmia, especially after cardiothoracic operations. Although the authors demonstrate that age 70 years or older is an independent preoperative correlate of arrhythmia after surgery, it would have been helpful not to dichotomize this important risk factor but to report and compare the actual age between patients who did and those who did not develop arrhythmias. The authors confirm that atrial fibrillation is the most common supraventricular arrhythmia in the perioperative period. As in atrial fibrillation unrelated to surgery, age older than 60 years is consistently the only independent preoperative risk factor most strongly associated with postoperative atrial fibrillation after cardiothoracic surgery (2, 3). Thus, I think it is arbitrary to chose age 70 and not, for example, 66.
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Print ISSN: 0003-4819 | Online ISSN: 1539-3704
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