• The Prevalence of CAD in Patients with Left Bundle Branch Block(LBBB) Attending Cardiac Catheterization in Hilla
Kerbala Journal of Medicine,
Volume 4, Issue 10, Pages 1057-1062
Abstractbackground: Left Bundle Branch Block (LBBB) results from conduction delay or block in any of several sites in the intraventricular conduction system,
The incidence of LBBB increases with age (2). It is infrequent in young healthy subjects. LBBB Usually appears in patients with underlying heart disease, Even among persons without overt heart disease, LBBB is associated with a higher than normal risk of cardiovascular and all-cause mortality, . Among patients with coronary artery disease, the presence of LBBB correlates with more extensive disease, more severe left ventricular dysfunction, and reduced survival rates.
Objectives: Is to determine the prevalence of coronary artery disease in patients with left bundle branch block in Babylon district.
Method and results: we studied 45 patients referred to the cardiac catheteriza
ion laboratory for various indications, significant percentage of patients were labeled with the diagnosis of coronary artery disease (CAD), the prevalence od CAD in the studied population was 44.2%, Male gender, diabetes, smoking, echocardiographic finding of LV dysfunction or regional wall motion abnormalities were a risk factors that are significantly associated with a higher prevalence of angiographically documented coronary artery disease.
Conclusion: significant number of patients with LBBB has a normal coronary angiography, consequently unnecessarily consumes anti anginal drugs and admitted to coronary care units .using the predictors of existence of CAD, and multi detector 64 slice cardiac CT angiography would help much to rule out CAD in this population.
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