Yield and Clinical Significance of Genetic Screening in Elite and Amateur Athletes - PubMed

Yield and Clinical Significance of Genetic Screening in Elite and Amateur Athletes - PubMed

Yield and Clinical Significance of Genetic Screening in Elite and Amateur Athletes

Giuseppe Limongelli 1 2, Marcella Nunziato 3 4, Valeria D'Argenio 3 5, Maria V Esposito 3 4, Emanuele Monda 1 2, Cristina Mazzaccara 3 4, Martina Caiazza 1 2, Antonello D'Aponte 6, Antonello D'Andrea 1 2, Eduardo Bossone 7, Federica Di Maggio 3 4, Pasqualina Buono 3 8, Paolo W Pica 1 2, Luca De Capua 1 2, Maria Penco 9, Silvio Romano 9, Fernando Di Paolo 10, Antonio Pelliccia 10, Giulia Frisso 3 4, Francesco Salvatore 3 4

Affiliations 

• PMID: 32615795
 
• DOI: 10.1177/2047487320934265

Abstract

Aims: The purpose of this study was to assess the value of genetic testing in addition to a comprehensive clinical evaluation, as part of the diagnostic work-up of elite and/or amateur Italian athletes referred for suspicion of inherited cardiac disease, following a pre-participation screening programme.

Methods: Between January 2009-December 2018, of 5892 consecutive participants, 61 athletes were investigated: 30 elite and 31 amateur athletes. Elite and amateur athletes were selected, on the basis of clinical suspicion for inherited cardiac disease, from two experienced centres for a comprehensive cardiovascular evaluation. Furthermore, the elite and amateur athletes were investigated for variants at DNA level up to 138 genes suspected to bear predisposition for possible cardiac arrest or even sudden cardiac death.

Results: Of these 61 selected subjects, six (10%) had diagnosis made possible by a deeper clinical evaluation, while genetic testing allowed a definite diagnosis in eight (13%). The presence of >3 clinical markers (i.e. family history, electrocardiogram and/or echocardiographic abnormalities, exercise-induced ventricular arrhythmias) was associated with a higher probability of positive genetic diagnosis (75%), compared with the presence of two or one clinical markers (14.2%, 8.1%, respectively, p-value = 0.004).

Conclusion: A combined clinical and genetic evaluation, based on the subtle evidence of clinical markers for inherited disease, was able to identify an inherited cardiac disease in about one-quarter of the examined athletes.

Keywords: Athletes; genetic testing; inherited heart disease; multigene panel testing; sudden cardiac death.

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