Prevalence of coronary artery disease and its risk factors in patients undergoing permanent pacemaker implantation

Ashwal Adamane Jayaram, Jerry Iype, Deeksha Karkera, Sudhakar M Rao, Tom Devasiya, Padmakumar R, Umesh Pai, Jyothi Samanth, Ganesh P

Abstract


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Objective: To determine prevalence of CAD and its risk factors among patients undergoing permanent pacemaker implantation (PPI).

Methods: This prospective, single-center hospital based study examined patients >40 years of age, who required PPI.  Presence of atherosclerotic risk factors and CAD was examined.

Results: Of 258 patients undergoing PPI, CAD was present in 50 (19.4%) patients. CAD was more common among middle age and elderly patients (P=0.032). Patients with age ≥50.5 years had sensitivity of 96.0% for an association with CAD. Multivariate analysis showed that age (odds ratio: 1.042; 95% confidence interval: 1.009–1.075; P=0.011) and diabetes (odds ratio: 3.437; 95% confidence interval: 1.618–7.303; P=0.001) had a statistically significant association with CAD. Of 31 patients with involvement of left anterior descending (LAD), 28 (43.1%) had associated atrioventricular (AV) nodal disease (P=0.01), suggesting an association between LAD disease and chronic degenerative changes in the AV node.

Conclusion: CAD was present in 19.4% patients undergoing PPI. Age and diabetes have strong association with CAD. LAD stenosis was significantly associated with AV nodal/ infra-hisian disease.


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pISSN: 2476-7174
eISSN: 2476-468X

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