The clinical, electrocardiographic and echocardiographic characteristics and long-term outcome of patients with tachycardia-induced cardiomyopathy.

Cardiovascular Journal of Africa
Ashley ChinAndrzej Okreglicki

Abstract

The clinical, electrocardiographic and echocardiographic features and long-term outcome of patients with tachycardia-induced cardiomyopathy (TIC) have not been well described in the past. A retrospective study was performed at our institution of patients with a diagnosis of TIC. Thirty-three patients with pure TIC and 12 patients with impure TIC were identified. Compared to patients with dilated cardiomyopathy (DCMO), pure TIC patients were less symptomatic, as judged by NYHA class (p = 0.02), they had fewer clinical signs of heart failure (p = 0.007) and were more likely to report palpitations (p = 0.007) at presentation. Electrocardiographically, pure TIC patients had fewer Q waves (p = 0.002), less left ventricular hypertrophy (LVH) (p = 0.004) and repolarisation abnormalities (p = 0.048), and shorter QRS durations (p = 0.024). Echocardiographically, pure TIC patients had significantly smaller left ventricular internal diameter in diastole (LVIDd) ( p < 0.001), ventricular internal diameter in systole (LVIDs) (p = 0.001) and left atrial dimensions (p = 0.048) at presentation compared to DCMO patients. Patients with pure TIC had a trend towards increased residual LVIDd dimensions compared to a control group with normal echoca...Continue Reading

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Citations

Oct 24, 2012·Journal of Interventional Cardiac Electrophysiology : an International Journal of Arrhythmias and Pacing·Zhao DonghuaXu Dingli
Dec 15, 2015·Nature Reviews. Cardiology·Liang-Han LingRoss J Hunter
Jul 26, 2013·Circulation. Arrhythmia and Electrophysiology·Liang-han LingAndrew J Taylor
Mar 12, 2018·BMJ Case Reports·Gerald Paul FitzgeraldSamer Arnous
Jun 23, 2018·Journal of Interventional Cardiac Electrophysiology : an International Journal of Arrhythmias and Pacing·Demilade AdedinsewoFred Kusumoto

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