Key result
Reperfusion without stent implantation in a patient with inferior STEMI demonstrated recovery of reversible microcirculatory dysfunction as early as 5 days post-infarction.
Why the study?
Emerging data highlight the importance of post-infarct microcirculatory function assessment after STEMI traditionally managed with immediate PCI and stenting.
Case Report (n=1)
Deferred stenting in STEMI may allow for the recovery of reversible microcirculatory dysfunction, which can be assessed using multimodality imaging.
Deferred stenting may aid microcirculatory recovery in STEMI; hypothesis-generating and requires prospective validation.
Background: ST-segment elevation myocardial infarction (STEMI) has traditionally been managed with immediate reperfusion of the culprit artery, primarily through percutaneous coronary intervention and stent placement. Emerging data are highlighting the crucial importance of post-infarct microcirculatory function assessment. Case summary: This report presents a patient with an inferior STEMI who was successfully reperfused without stent implantation. Tools such as optical coherence tomography, fractional flow reserve, and positron emission tomography computed tomography N-13 ammonia were utilized, offering comprehensive insights into the anatomical and functional characteristics of both the epicardial vessel and microcirculation. Discussion: The recovery of the reversible component of microcirculatory dysfunction, observable as early as 5 days post-infarction, might carry significant implications for clinical decision-making. Such insights can potentially influence contemporary treatment strategies, including the consideration of deferred stenting. This case underscores the significance of post-infarct microcirculatory function and its potential impact on therapeutic approaches.
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Albístur et al. (2023) conducted a case report in ST-segment elevation myocardial infarction (n=1). Deferred stenting strategy was evaluated on Recovery of the reversible component of microcirculatory dysfunction. Reperfusion without stent implantation in a patient with inferior STEMI demonstrated recovery of reversible microcirculatory dysfunction as early as 5 days post-infarction.
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