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Heart failure and cardiomyopathies
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Exercise and myocardial injury in hypertrophic cardiomyopathy
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  • Published on: 10 July 2020
    Release of troponin after exercise stress test in hypertrophic cardiomyopathy
    • Pawel Petkow Dimitrow, Professor, MD, PhD 2nd Department of Cardiology, Jagiellonian University Medical College, Kraków, Poland
    • Other Contributors:
      • Renata Rajtar-Salwa, Cardiologist
      • Tomasz Tokarek, Cardiology Resident

    Release of troponin after exercise stress test in hypertrophic cardiomyopathy

    Pawel Petkow Dimitrow1, Renata Rajtar-Salwa2, Tomasz Tokarek2
    1 2nd Department of Cardiology, Jagiellonian University Medical College, Kraków, Poland
    2 Department of Cardiology and Cardiovascular Interventions, University Hospital, Krakow, Poland
    Correspondence to: Paweł Petkow Dimitrow, 2nd Department of Cardiology, Jagiellonian University Medical College, Jakubowskiego 2 Str., 30-688 Krakow, Poland, e-mail: dimitrow@mp.pl, tel. 0048 12 400 22 50

    Recently Cramer et al. demonstrated very important observation on troponin level increase after exercise in patients with hypertrophic cardiomyopathy (HCM) [1]. Several concerns regarding to methodology of their study should be explained. Authors decided to perform only one measurement of troponin level at 6 hours after end of exercise. In our opinion, sampling after 6, 12, 18 and 24 hours after exercise provide more adequate profile of troponin level and allow to monitor possible post-exercise ischemia. Furthermore, data on prevalence of silent myocardial ischemia (only troponin increase) should be provided. In our study [2] painless ischemia detected by troponin measurement after normal daily physical activity was present in 25% of HCM patients. In another study [3], among HCM patients monitored by HOLTER ECG during normal daily physical activity, maximum heart rate was higher in th...

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    Conflict of Interest:
    None declared.