Atrio-Ventricular Block; Incidence of High Degree Atrio-Ventricular Block Complicating Acute Myocardial Infarction and Its Effects on in-Hospital Mortality

Abstract

ORIGINAL PROF-3518 ABSTRACT… Objectives: The incidence of high degree atrioventricular block (HAVB) varies from 2.7 to 14% after acute STEMI. The aim of this study was to evaluate the incidence of high degree atrioventricular block (HAVB) in patients of acute myocardial infarction. Study Design: Observational study. Setting: Sheikh Zayed Medical College/Hospital Rahim Yaar Khan. Period: March 2016 to May 2016. Material and Methods: Two hundred patients of acute myocardial Infarction were included in this study. Patients suffering from 2 nd degree Mobitz type II or 3 rd degree heart block were labelled as High Degree Atrioventricular Block (HAVB). Data Analysis was made using Statistical Package for Social Sciences Software V17. Chi-square test was used to compare in-hospital mortality between the groups taking p-value <0.05 as significant difference. Results: The mean age of patients who presented with myocardial Infarction in our hospital was 50.13+6.97 years. Out of 200 patients, 35 (17.5%) were smokers, 83 (41.5%) hypertensives, 69 (34.5%) diabetics and 48 (24.0%) were with positive family history of Ischemic Heart Disease. Most common type of MI was anterior wall present in 50.5% patients and 2 nd most common was inferior wall MI presented in 26.5% patients. High degree atrio-ventricular block was present in 9 (4.5%) patients. In-hospital mortality was significantly high in patients with HAVB, in these patients in-hospital mortality was 2 (22.2%) as compared to only 8 (4.2%) in patients of without HAVB (p-value 0.01). Conclusion: Myocardial infarction complicated with high degree atrio-ventricular block (HAVB) is associated with higher rate of in-hospital mortality

To access the prevalence of undiagnosed type 2 diabetes mellitus in patients with acute coronary syndrome.

“…In most cases, there is an accidental diagnosis of DM when patients report to the hospital for other illnesses such as ACS. 10 There was a 1:1.3 ratio between males and females in our study in contrast to a foreign study having predominate males in comparison to females with a 1:4 ratios. A further higher ratio of 5.6:1, and 4.7:1 of male/female were reported by the Studies done in south Punjab (Pakistan) and Saudi Arabia respectively.…”