ArticleEuropean heart journal. Imaging methods and practice2024
Establishment and validation of an extracellular volume model without blood sampling in ST-segment elevation myocardial infarction patients.
Article in European heart journal. Imaging methods and practice, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
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3 citing papers in PubMed.
- The Role of the Extracellular Volume of the Infarction Zone and the Remote Myocardium in Predicting Systolic Dysfunction After the First Myocardial Infarction.Diagnostics (Basel, Switzerland) · 2026Article
- Excellent Reproducibility of Synthetic Extracellular Volume Without Blood Extraction Across Different Cardiomyopathies Using Published Regression Models.Journal of cardiovascular development and disease · 2026Article
- Establishment of a synthetic ECV model and its prognostic value in diabetes patients with acute myocardial infarction.Frontiers in endocrinology · 2025Article
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7 authors.
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Abstract
Aims: Recent studies have shown that extracellular volume (ECV) can also be obtained without blood sampling by the linear relationship between haematocrit (HCT) and blood pool R1 (1/T1). However, whether this relationship holds for patients with myocardial infarction is still unclear. This study established and validated an ECV model without blood sampling in ST-segment elevation myocardial infarction (STEMI) patients. Methods and results: A total of 398 STEMI patients who underwent cardiac magnetic resonance (CMR) examination with T1 mapping and venous HCT within 24 h were retrospectively analysed. All patients were randomly divided into a derivation group and a validation group. The mean CMR scan time was 3 days after primary percutaneous coronary intervention. In the derivation group, a synthetic HCT formula was obtained by the linear regression between HCT and blood pool R1 ( Conclusion: In STEMI patients, synthetic ECV without blood sampling had good consistency and correlation with conventional ECV. This study might provide a convenient and accurate method to obtain the ECV from CMR to identify myocardial fibrosis.
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