Imtiaz Ahmad, Lok M Sinha, Jeetendra Mishra, Mahmood Alam Khan.
Various Risk Factors has Variable in Hospital Mortality Rate in Anterior Wall Myocardial Infarction with Right Bundle Branch Block.
Pak J Med Health Sci Jan ;6(4):955-7.

Objective: To evaluate in hospital mortality rate associate with various risk factors in patients with anterior wall myocardial (AMI) infarction with right bundle branch block (RBBB). Patients and method: From February 2011 to August 2011, a total of 70 consecutive patients fulfilling the inclusion and exclusion criteria, admitted in Emergency Department, Punjab Institute of Cardiology, Lahore were included in this study. Risk factors and effect modifiers such as hypertension, diabetes mellitus, hypercholestrolemia, and smoking were taken into account. Patients were monitored according to the hospital protocol and mortality was noted. In hospital mortality was considered as death of patients from admission, due to anterior wall MI with right bundle branch block. Results: During 6 months of study period, out of 70 patients, 41 (58.6%) were male and 29 (41.4%) were female. Incidence of risk factors in these patients were, 19 (27.1%) diabetics, 36 (51.4%) with Hypertension, 29 (41.4%) smokers and 52 (74.3%) with hypercholesterolemia. Total in hospital mortality of patients from AMI with RBBB was 54.3%. Individual risk factor associated mortality were 12 (31.57%) diabetics, 25 (65.78%) hypertensives, 22 (57.89%) smokers and 32 (84.2%) patients with hypercholesterolemia. Conclusion: Findings confirm that the presence of RBBB after AMI is an independent predictor of increased mortality. Moreover, associated risk factor adds fuel to the fire, with significant increase in mortality in patients with hypercholesterolemia within same group.

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