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Corresponding Author

Mostafa Ibrahem Elzyat

Document Type

Original Article

Abstract

Objectives: An unfavorable cardiovascular prognosis following the first percutaneous coronary intervention (PCI) is considerably impacted by the shock index (SI). In patients with acute myocardial infarction (AMI) ST-elevation myocardial infarction (STEMI) receiving the primary percutaneous coronary intervention.

Aim: This research sought to assess the relationship between SI at admission and coronary slow/no-reflow.

Methods: In the first 24 hours following the start of symptoms, 200 patients who were receiving primary PCI participated in this prospective observational trial. Patients were divided into two groups: those with sluggish or no flow (n= 74) and those with normal flow (n= 126). Results: there was a statistically higher elevated troponin level among the slow flow/ no flow group compared to the regular flow group, with no significant difference regarding ECG and angiography.

Results: Mean SI was statistically higher among the slow flow/ no flow group. MBG demonstrates a lower score among the slow flow/ no flow group. Elevated creatine kinase-myocardial band (CKMB) and clinically relevant bleeding (CRB) were statistically higher in the slow flow/ no flow group. SI demonstrates a higher mean among TIMI 0. High SI, elevated C-reactive protein (CRP), and random blood sugar (RBS) can predict slow flow/ no flow. SI was a significant predictor for slow flow / no flow at cut-off 0.67 with 81% sensitivity, 80.9% specificity, 70.7% PPV, 86.4% NPV, and 80% total accuracy.

Conclusions: High SI, elevated CRP, and RBS can predict slow flow or no flow. SI was a significant predictor of slow flow or no flow at a cut-off value of 0.67 67, with 81% sensitivity and 80.9% specificity.

Keywords

Shock Index; Coronary Slow or No Reflow; Acute Myocardial Infarction; Primary PCI

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