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Specific alterations of regional myocardial work in strength-trained athletes using anabolic androgenic steroids compared to athletes with genetic hypertrophic cardiomyopathy

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Journal of Sport and Health Science 2023年第4期12卷 477-485页

作者： Antoine Grandperrin Frédéric Schnell Erwan Donal Elena Galli Christophe Hedon olivier cazorla Stéphane Nottin Avignon University LaPEC UPR 4278Avignon F-84000France Rennes University CHU RennesInsermLTSI-UMR 1099Rennes F-35000France Montpellier University PhyMedExpINSERMCNRSPhysiology and Experimental Heart and Muscle MedicineMontpellier 34295France

Background:Strength-trained athletes using anabolic androgenic steroids(AAS)have left ventricular(LV)hypertrophy and myocardial fibrosis that can lead to sudden cardiac death.A similar feature was described in athletes with hypertrophic cardiomyopathy(HCM),which complicates the diagnosis for *** this context,we aimed to compare the LV function of the 2 populations by measuring global and regional strain and myocardial work using speckle-tracking ***:Twenty-four strength-trained asymptomatic athletes using AAS(AAS-Athletes),22 athletes diagnosed with HCM(HCM-Athletes),and 20 healthy control athletes(Ctrl-Athletes)underwent a resting echocardiography to assess LV *** evaluated LV global and regional strains and myocardial work,with an evaluation of the constructive work(CW),wasted work,and work efficiency(WE).Results:Compared to Ctrl-Athletes,both AAS-Athletes and HCM-Athletes had a thicker interventricular septum,with maj ored values in *** strain was reduced in AAS-Athletes and even more in ***,global WE was significantly diminished in both AAS and HCM-Athletes(93%±2%in Ctrl-Athletes,90%±4%in AAS-Athletes,and 90%±5%in HCM-Athletes(mean±SD);p<0.05).Constructive work and WE regional analysis showed specific alterations,with the basal septal segments preferentially affected in AAS-Athletes,and both septal and apical segments affected in ***:The regional evaluation of myocardial work reported specific alterations of the major LV hypertrophy induced by the regular use of AAS compared to the LV hypertrophy due to *** finding could help clinicians to differentiate between these 2 forms of pathological hypertrophy.

关键词： Anabolic androgenic steroids Hypertrophic cardiomyopathy Left ventricular function Myocardial work Speckle-tracking echocardiography

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