RAISED MODIFIED SHOCK INDEX (MSI) AS A PREDICTOR OF IN-HOSPITAL MORTALITY IN PATIENTS WITH ST-SEGMENT ELEVATION MYOCARDIAL INFARCTION (STEMI)

Objective: To determine association of a raised modified shock index (MSI) with in-hospital mortality in patients with ST-segment elevation myocardial infarction (STEMI). Methodology: It was a cross sectional study conducted at Cardiology Department, Jinnah Hospital Lahore. Duration of the study was 6 months period from 1st November, 2016 to 30th April, 2017. The patients were divided into two groups, normal MSI and raised MSI. The cohort was followed up for 7 days for adverse outcome i.e. in hospital mortality. All the collected data was entered and analyzed on SPSS version 17. Results: The mean age of the patients in normal MSI group was 57.42 +/- 11.32 years and in raised MSI group was 56.03 +/- 12.48 years. Male to female ratio of the patients was 0.9:1. In hospital mortality occurred in 27(22.50%) patients. Statistically 5.75 times protective effect of in-hospital mortality was noted in normal MSI group compared to raise group patients i.e. RR=5.7500 [95% CI; 2.1160 to 15.6252]. Conclusion: The study concluded that normal MSI index has protective effect on in-hospital mortality as compared to raised MSI patients.