Transient left anterior hemiblock during angina pectoris: Coronarographic aspects and clinical significance

S. Levy, R. Gerard, A. Castellanos, A. R. Gharhamani, L. S. Sommer

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10 Scopus citations

Abstract

The data of 6 patients in whom a left anterior hemiblock appeared in the course of angina pectoris attacks were reviewed. All 6 patients were found to fulfill the criteria for unstable angina. 1 patient who presented the features of Prinzmetal variant angina was included in this group. Coronary arteriography showed significant coronary artery disease in all patients involving 3 vessels in 2 patients, 2 vessels in 1 and 1 vessel in 3. A severe lesion (70-100%) of the left anterior descending artery in the vicinity of the first perforator was demonstrated in every case. The 2 patients with 3-vessel disease were not operable and died 4 and 5 days after the hemodynamic study. These deaths were caused by myocardial infarction with cardiogenic shock in one case and intractable ventricular arrhythmias in the other case. 4 patients were operable and underwent aortocoronary saphenous bypass surgery. There were 2 operative deaths. The 2 survivors are asymptomatic 7 and 16 mth after surgery. This study suggests that transient left anterior hemiblock during an attack of angina pectoris may be a feature of impending myocardial infarction and may be indicative of a severe obstruction of the left anterior descending coronary artery.

Original languageEnglish (US)
Pages (from-to)215-225
Number of pages11
JournalEuropean Journal of Cardiology
Volume9
Issue number3
StatePublished - Oct 3 1979

ASJC Scopus subject areas

  • Medicine(all)

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    Levy, S., Gerard, R., Castellanos, A., Gharhamani, A. R., & Sommer, L. S. (1979). Transient left anterior hemiblock during angina pectoris: Coronarographic aspects and clinical significance. European Journal of Cardiology, 9(3), 215-225.