Transient microvascular vasoconstriction: A possible cause of unstable angina

G. Niccoli, G. Renda, D. Cianflone, F. Crea

Research output: Contribution to journalArticlepeer-review

Abstract

We report the case of a 65-year-old woman who developed unstable angina 2 months after successful coronary angioplasty of the left anterior descending coronary artery. Coronary angiography failed to show angiographic restenosis, but intracoronary ergonovine caused ST segment elevation and her habitual chest pain in the absence of epicardial coronary spasm and important pressure changes in the distal left anterior descending coronary artery assessed by a pressure wire, thus suggesting that distal vessel constriction was responsible for unstable angina.

Original languageEnglish
Pages (from-to)365-367
Number of pages3
JournalItalian Heart Journal
Volume1
Issue number5
Publication statusPublished - 2000

Keywords

  • Angioplasty
  • Coronary microcirculation
  • Ergonovine test
  • Unstable angina

ASJC Scopus subject areas

  • Cardiology and Cardiovascular Medicine

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