التفاصيل البيبلوغرافية
| العنوان: |
Long-term reliability of the phospholamban (PLN) p.(Arg14del) risk model in predicting major ventricular arrhythmia: a landmark study. |
| المؤلفون: |
Heide, Myrthe Y C van der, Verstraelen, Tom E, Lint, Freyja H M van, Bosman, Laurens P, Brouwer, Remco de, Proost, Virginnio M, Drie, Esmée van, Taha, Karim, Zwinderman, Aeilko H, Dickhoff, Cathelijne, Schoonderwoerd, Bas A, Germans, Tjeerd, Houweling, Arjan C, Gimeno-Blanes, Juan R, Zwaag, Paul A van der, Boer, Rudolf A de, Cox, Moniek G P J, Tintelen, J Peter van, Wilde, Arthur A M |
| المصدر: |
EP: Europace; Apr2024, Vol. 26 Issue 4, p1-10, 10p |
| مستخلص: |
Aims Recently, a genetic variant-specific prediction model for phospholamban (PLN) p.(Arg14del)-positive individuals was developed to predict individual major ventricular arrhythmia (VA) risk to support decision-making for primary prevention implantable cardioverter defibrillator (ICD) implantation. This model predicts major VA risk from baseline data, but iterative evaluation of major VA risk may be warranted considering that the risk factors for major VA are progressive. Our aim is to evaluate the diagnostic performance of the PLN p.(Arg14del) risk model at 3-year follow-up. Methods and results We performed a landmark analysis 3 years after presentation and selected only patients with no prior major VA. Data were collected of 268 PLN p.(Arg14del)-positive subjects, aged 43.5 ± 16.3 years, 38.9% male. After the 3 years landmark, subjects had a mean follow-up of 4.0 years (± 3.5 years) and 28 (10%) subjects experienced major VA with an annual event rate of 2.6% [95% confidence interval (CI) 1.6–3.6], defined as sustained VA, appropriate ICD intervention, or (aborted) sudden cardiac death. The PLN p.(Arg14del) risk score yielded good discrimination in the 3 years landmark cohort with a C-statistic of 0.83 (95% CI 0.79–0.87) and calibration slope of 0.97. Conclusion The PLN p.(Arg14del) risk model has sustained good model performance up to 3 years follow-up in PLN p.(Arg14del)-positive subjects with no history of major VA. It may therefore be used to support decision-making for primary prevention ICD implantation not merely at presentation but also up to at least 3 years of follow-up. [ABSTRACT FROM AUTHOR] |
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