ArticleJACC. Case reports2025
Epicardial Coronary Spasm in Left Anterior Descending Artery and Coronary Microvascular Spasm in Right Coronary Artery.
Article in JACC. Case reports, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.
Who cites it
1 citing paper in PubMed.
- Vessel-specific perivascular fat attenuation index derived from AI-CCTA and its association with impaired coronary flow reserve in patients with INOCA.International journal of cardiology. Heart & vasculature · 2026Article
Corrections and comments
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Authors and funding
10 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
A 71-year-old woman presented with rest angina. A spasm provocation test (SPT) using acetylcholine (Ach) confirmed epicardial coronary vasospasm in the left anterior descending artery (LAD) and coronary microvascular spasm (MVS) in the right coronary artery (RCA), according to current guidelines. After nitrate administration, coronary function tests (CFTs) with adenosine were conducted on the RCA at 30-minute intervals, demonstrating significant improvement in coronary flow reserve (CFR) and the index of microcirculatory resistance (IMR). This case was first diagnosed as vasospastic angina (VSA) involving the LAD, MVS in the RCA, normal coronary function in the LAD, and coronary microvascular dysfunction (CMD) in the RCA, highlighting regional differences in vascular reactivity and microvascular function in the same patients. The improvement in CFR and IMR during the second CFT suggests longer persistence of MVS, indicating that post-SPT functional testing may overestimate microvascular dysfunction due to lingering MVS, even after nitrate administration.
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Registered trials
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