Usefulness of Selective Myocardial Contrast Echocardiography in Percutaneous Transluminal Septal Myocardial Ablation. A Case Report.:A Case Report
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A 67-year-old woman with hypertrophic obstructive cardiomyopathy that was refractory to medical treatment underwent percutaneous transluminal septal myocardial ablation (PTSMA). The septal branch supplying the myocardium involved in the left ventricular outflow tract (LVOT) obstruction was identified by selective myocardial contrast echocardiography (MCE). MCE for the third and largest septal branch opacified the right side of the mid-septal myocardium and MCE for the second septal branch opacified the right side of the basal portion of the septal myocardium. Finally, contrast agent was injected into the first, small branch, which opacificied the myocardium protruding into the LVOT. Subsequently, septal myocardial ablation for this vessel with intracoronary alcohol was performed, followed by a reduction of the LVOT gradient and successful, dramatic improvement in the patient's clinical condition. Selective MCE was very useful to identify the appropriate septal branch for PTSMA and enabled maximal effect of this treatment with minimal myocardial damage. (Jpn Circ J 2001; 65: 842 - 844)
- 社団法人 日本循環器学会の論文
社団法人 日本循環器学会 | 論文
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