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KMID : 1011920100110010039
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International Journal of Arrhythmia
2010 Volume.11 No. 1 p.39 ~ p.42
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A case of ventricular tachycardia successfully treated by coronary artery bypass graft in a patient with previous myocardial infarction
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Joung Bo-Young
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Abstract
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Patients with previous myocardial infarction (MI) are at risk for developing ventricular tachycardia (VT). In the setting of a remote MI, the mechanism of VT is reentry, involving the infarct scar and in particular the border zone or other areas of the scar with deranged conduction. As a result, the VT in this setting is typically monomorphic. For the treatment of VT, ICDs are generally indicated to prevent SCD from VT in this patients group, especially those with a depressed LV function. However, the correctable ischemic lesion has to be treated. In this case, sustained VT in a patient with previous MI is successfully managed by the correction of ischemia. However, the long-term prognosis can be affected by the recovery of left ventricular function and the progress of coronary artery disease.
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KEYWORD
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ventricular tachycardia, coronary artery disease, correction of ischemia
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