Evaluation of the patients with syncope during the first month after coronary artery bypass graft

Alizadeh, A. and Kiavar, M. and Assadian-Rad, M. and Morady, B. and Alasti, M. and Sadeghi, A. and Emkanjoo, Z. (2011) Evaluation of the patients with syncope during the first month after coronary artery bypass graft. Journal of Cardiovascular Disease Research, 2 (3). pp. 186-189.

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Background: Syncope is a well-known risk factor for adverse cardiovascular event in patients with coronary artery disease, especially those with previous myocardial infarction (MI) or left ventricular dysfunction. The aim of this study was to assess electrophysiologic findings and results of head-up tilt test (HUTT) in patients with syncope and without orthostatic changes in blood pressure during the first month after coronary artery bypass graft (CABG). Materials and Methods: A total of 20 patients with syncope during the first month after CABG were prospectively enrolled in this study from June 2002 to April 2006. Electrophysiologic study (EPS) was performed in all of them. HUTT was performed in all of the patients regardless of the result of EPS. Results: The mean age of patients was 60.311 years. Twelve patients were males. EPS was negative in 18 patients. HUTT was positive in 10 patients. Six patients had old MI. Ischemic insult occurred in one patient after CABG. Left bundle branch was present in two patients. There was a significant relationship between the duration of bed rest after CABG and positive HUTT (P value = 0.021). All of the patients except one did not experience syncope during the follow-up period. Conclusion: In patients with syncope during the first month post CABG, in whom an arrhythmic cause is suspected, the other cause of syncope like orthostatic intolerance should be considered. Being bedridden for an extended period of time post CABG can be a predisposing factor.

Item Type: Article
Additional Information: cited By 0
Uncontrolled Keywords: adult; age distribution; anamnesis; article; bed rest; blood pressure measurement; clinical article; clinical assessment tool; controlled study; coronary artery bypass graft; correlational study; disease predisposition; female; follow up; head up tilt test; heart electrophysiology; heart infarction; heart muscle ischemia; human; male; orthostatic blood pressure; priority journal; sex difference; syncope; treatment duration
Subjects: WG Cardiovascular System
Depositing User: somayeh pourmorteza
Date Deposited: 06 Jan 2019 07:13
Last Modified: 06 Jan 2019 07:13
URI: http://eprints.iums.ac.ir/id/eprint/7474

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