Exercise-induced coronary artery spasm A regional coronary blood flow study.
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概要
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Regional myocardial blood flow during exercise was determined using the thermodilution technique in 2 patients suffering from both spontaneous and exertional chest pain.In both cases we observed that effort-related anginal attacks were due to coronary spasm with sudden reduction of regional left ventricular blood flow. In 1 patient the exercise-induced ST-segment elevation in the anterior leads was accompanied by a reduction of flow in the great cardiac vein. In the second patient the exercise-induced ST-segment depression in the lateral leads was accompanied by a reduction of coronary flow in the area supplied by the circumflex artery. In 1 patient, nifedipine was effective in prolonging exercise tolerance by preventing the occurrence of coronary spasm and by increasing blood supply to the ischemic region during exercise.
- International Heart Journal刊行会の論文
著者
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FALCONE Colomba
Divisione di Cardiologia, Policlinico S. Matteo, Istituto di Ricovero e Cura a Carattere Scientifico
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SPECCHIA Giuseppe
Divisione di Cardiologia, Policlinico S. Matteo, Istituto di Ricovero e Cura a Carattere Scientifico
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SERVI Stefano
Divisione di Cardiologia, Policlinico S. Matteo, Istituto di Ricovero e Cura a Carattere Scientifico
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MUSSINI Antonio
Divisione di Cardiologia, Policlinico S. Matteo, Istituto di Ricovero e Cura a Carattere Scientifico
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ARDISSINO Diego
Divisione di Cardiologia, Policlinico S. Matteo, Istituto di Ricovero e Cura a Carattere Scientifico
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ANGOLI Luigi
Divisione di Cardiologia, Policlinico S. Matteo, Istituto di Ricovero e Cura a Carattere Scientifico
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BRAMUCCI Ezio
Divisione di Cardiologia, Policlinico S. Matteo, Istituto di Ricovero e Cura a Carattere Scientifico