Why the study?
Is a paced QRS duration ≥150 milliseconds associated with an increased prevalence of right ventricular pacing-induced cardiomyopathy in patients with frequent RV pacing?
Is a paced QRS duration ≥150 milliseconds associated with an increased prevalence of right ventricular pacing-induced cardiomyopathy in patients with frequent RV pacing?
Patients with frequent RV pacing and a paced QRS duration ≥150 ms are at higher risk for pacing-induced cardiomyopathy and should undergo echocardiographic screening.
May flag higher-risk RV-paced patients for closer monitoring; hypothesis-generating pending prospective validation.
Patients with frequent RV pacing and paced QRS duration ≥150 milliseconds should be screened by echocardiogram to assess for PICM. Patients with paced QRS duration <150 milliseconds likely do not require screening, in the absence of heart failure signs or symptoms.
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Khurshid et al. (2016) studied this question.
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