Exercise does not influence development of phenotype in PLN p.(Arg14del) cardiomyopathy

Freyja H M van Lint, Fahima Hassanzada, Tom E Verstraelen, Weijia Wang, Laurens P Bosman, Paul A van der Zwaag, Toon Oomen, Hugh Calkins, Brittney Murray, Crystal Tichnell, Thais M A Beuren, Folkert W Asselbergs, Arjan Houweling, Maarten P van den Berg, Arthur A M Wilde, Cynthia A James, J Peter van Tintelen*

*Bijbehorende auteur voor dit werk

OnderzoeksoutputAcademicpeer review

2 Citaten (Scopus)
52 Downloads (Pure)

Samenvatting

BACKGROUND: Endurance and frequent exercise are associated with earlier onset of arrhythmogenic right ventricular cardiomyopathy (ARVC) and ventricular arrhythmias (VA) in desmosomal gene variant carriers. Individuals with the pathogenic c.40_42del; p.(Arg14del) variant in the PLN gene are frequently diagnosed with ARVC or dilated cardiomyopathy (DCM). The aim of this study was to evaluate the effect of exercise in PLN p.(Arg14del) carriers.

METHODS: In total, 207 adult PLN p.(Arg14del) carriers (39.1% male; mean age 53 ± 15 years) were interviewed on their regular physical activity since the age of 10 years. The association of exercise with diagnosis of ARVC, DCM, sustained VA and hospitalisation for heart failure (HF) was studied.

RESULTS: Individuals participated in regular physical activities with a median of 1661 metabolic equivalent of task (MET) hours per year (31.9 MET-hours per week) until clinical presentation. The 50% most and least active individuals had a similar frequency of sustained VA (18.3% vs 18.4%; p = 0.974) and hospitalisation for HF (9.6% vs 8.7%; p = 0.827). There was no relationship between exercise and survival free from (incident) sustained VA (p = 0.65), hospitalisation for HF (p = 0.81), diagnosis of ARVC (p = 0.67) or DCM (p = 0.39) during follow-up. In multivariate analyses, exercise was not associated with sustained VA or HF hospitalisation during follow-up in this relatively not-active cohort.

CONCLUSION: There was no association between the amount of exercise and the susceptibility to develop ARVC, DCM, VA or HF in PLN p.(Arg14del) carriers. This suggested unaffected PLN p.(Arg14del) carriers can safely perform mild-moderate exercise, in contrast to desmosomal variant carriers and ARVC patients.

Originele taal-2English
Pagina's (van-tot)291–299
Aantal pagina's9
TijdschriftNetherlands Heart Hournal
Volume31
Vroegere onlinedatum20-jul.-2023
DOI's
StatusPublished - aug.-2023

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