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August 7, 2025BMC Cardiovascular DisordersOpen Access

A predictive nomogram for intramyocardial hemorrhage in patients with ST-segment elevation myocardial infarction undergoing primary percutaneous coronary intervention based on coronary angiography-derived index of microcirculatory resistance

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Authors

YWYiwen WangXuzhou Medical CollegeYLYuan LuNortheast Petroleum UniversityYYYinshuang YangChengdu University of Technology

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Implication

Retrospective analysis identifies a nomogram for predicting intramyocardial hemorrhage and major adverse cardiovascular events in STEMI patients undergoing PCI, highlighting its clinical utility.

Key Points

  • The novel nomogram predicts intramyocardial hemorrhage in STEMI patients with high accuracy, improving clinical decision-making.
  • Using caIMR and left ventricular ejection fraction as predictors, the nomogram achieved an AUC of 0.844 in the training cohort.
  • Retrospective study involved 309 STEMI patients, with a strong correlation between predicted and actual IMH occurrences in both cohorts.
  • Compared to other methods, the nomogram demonstrated superior predictive ability for major adverse cardiovascular events, enhancing patient management.

Cite This Study

Wang et al. (2025) studied this question.

synapsesocial.com/papers/689dfe88d61984b91e13b72chttps://doi.org/10.1186/s12872-025-05057-0
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Also Consider

Synapse has enriched 5 closely related papers on similar clinical questions. Consider them for comparative context:

  1. 1Ability of the coronary angiography-derived index of microcirculatory resistance to predict microvascular obstruction in patients with ST-segment elevation2024 · 6 citations
  2. 2Prognostic Value of the Index of Microcirculatory Resistance Measured After Primary Percutaneous Coronary Intervention2013 · 426 citations
  3. 3Clinical Outcomes Associated With Various Microvascular Injury Patterns Identified by CMR After STEMI2024 · 82 citations
  4. 4Invasive Assessment of the Coronary Microvasculature2017 · 211 citations
  5. 5Myocardial Hemorrhage After Acute Reperfused ST-Segment–Elevation Myocardial Infarction2016 · 227 citations