Clinical Research Directory

Inflammatory and Hematological Indices in Diabetic STEMI Patients Undergoing Primary PCI

Sponsor: Assiut University

Summary

ST-segment Elevation Myocardial Infarction (STEMI) remains a major cause of mortality despite the adoption of Primary Percutaneous Coronary Intervention (PPCI) as the standard treatment. However, outcomes still vary significantly among patients, especially between diabetic and non-diabetic cohorts. The research question driving this study is: Can hematologic, inflammatory, and thrombotic indices serve as reliable prognostic tools in predicting the no-reflow phenomenon and coronary artery disease (CAD) severity in STEMI patients, particularly among those with diabetes mellitus? Recent literature identifies inflammation as a key contributor to the pathogenesis and outcomes of Acute Coronary Syndrome (ACS), including the no-reflow phenomenon and Major Adverse Cardiovascular Events (MACE). Markers such as C-reactive protein (CRP), Neutrophil-to-Albumin Ratio (NAR), Red Cell Distribution Width (RDW), Platelet Distribution Width (PDW), Hemoglobin-to-Red Cell Distribution Width ratio (Hb/RDW), and the RDW/PDW ratio have shown individual correlations with poor outcomes. Emerging indices such as the Systemic Immune-Inflammation Index (SII) and the Systemic Inflammatory Response Index (SIRI) further integrate immune and inflammatory components and have shown promise in early risk stratification. The current strategy in many cardiac centers relies on angiographic and clinical indicators, which may be insufficient for individualized risk prediction. Hence, incorporating accessible and cost-effective blood-based markers could significantly enhance prognostic accuracy. The rationale of this research lies in comparing these indices in diabetic versus non-diabetic STEMI patients, aiming to stratify risk, predict no-reflow, assess coronary artery disease burden using the SYNTAX score, and identify those at risk for early adverse outcomes.

Official title: Relationship Between Inflammatory and Hematological Indices and Coronary Artery Disease Severity and Outcome Among Diabetic Patients Undergoing Primary Percutaneous Coronary Intervention

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