Çocuk sporcularda egzersiz öncesi ve sonrası kardiyak biyobelirteçlerin, elektrokardiyogram değişikliklerinin ve ekokardiyografi bulgularının değerlendirilmesi

Year 2023, Volume: 48 Issue: 3, 929 - 938, 30.09.2023

Semine Özdemir Dilek , Sevcan Erdem , Sanlı Sadi K:urdak , Nazan Özbarlas

https://doi.org/10.17826/cumj.1325501

Abstract

Amaç: 18 yaş altı çocuk sporcularda egzersizle ilişkili kalbin yapısal ve elektriksel değişikliklerini araştırmak ve bu değişiklikler ile biyokimyasal belirteçler arasındaki ilişkiyi incelemektir.
Gereç ve Yöntem: Bu çalışmada 32 erkek pediatrik sporcu (beş kürekçi, beş kanocu ve 22 futbolcu) prospektif incelendi. Tüm sporculara 75 dakikalık dinamik egzersiz antrenmanı uygulandı. Atletlerde istirahat halinde ekokardiyografik değerlendirme yapıldı. Egzersiz öncesi ve sonrasında elektrokardiyogram (EKG) çekildi. Tüm sporculardan antrenman öncesinde, antrenman sonrası 1.saatinde ve 4. saat kan örnekleri alınarak kreatin kinaz miyokardiyal bant, troponin T(cTnT) ve pro-beyin natriüretik peptid düzeylerine bakıldı.
Bulgular: Tüm sporcuların yaş ortalaması 15,3±0,9 yıldı. Ekokardiyografi incelemesinde diyastol sonu kalınlığı, sol ventrikül diyastol sonu çapı, arka duvar diyastol sonu çapı, sol ventrikül sistol sonu çapı, sol ventrikül kitle ölçümleri (SVK) ve sol ventrikül kitle indeksleri (SVKİ) bu gruptan daha yüksekti. Egzersiz sonrası EKG bulgusu kürekçi ve kanocuların tümünde ve altısı futbolcu olmak üzere 16 kişide T dalgası pikleri görüldü (p<0,001). Egzersiz sonrası 1.saat ve 4.saatten cTnT değerleri futbolcularda 0,31-0,71 ng/ml; kürekçilerde 0,10-0,27 ng/ml ve kanocularda 0,04-0,15 ng/ml ölçüldü. Tüm gruplarda egzersiz sonrası dördüncü saatte cTnT düzeylerinde artış tespit edildi. Egzersiz sonrası çekilen EKG'deki T dalgası piki ile yaş, cTnT serum düzeyi ve SVK artış arasında korelasyon vardı.
Sonuç: Bu çalışmada sporcuların yarısında egzersiz sonrası T dalgasında piki saptandı. Sonuçlarımız genç sporcuların serum cTnT düzeylerinin egzersizle yükselebileceğinir. Sporcularda SVK ve SVKİ daha yüksekliği görülebilir. Çocuk sporcularda ekokardiyografi ve EKG değerlendirmesi yapılmalıdır.

Keywords

Çocuk sporcular, T dalga piki, troponin T, ekokardiyografi

Evaluation of cardiac biomarkers, electrocardiogram changes and echocardiography findings before and after exercise in paediatric athletes

Abstract

Purpose: The aim of this study was to investigate the structural and electrical changes in the heart associated with exercise in young athletes under 18 years of age and to examine the relationship between these changes and biochemical markers.
Materials and Methods: In this study, 32 male paediatric athletes (five rowers, five kayakers and 22 footballers) were prospectively evaluated. Dynamic exercise training for 75 minutes was applied to all athletes. An echocardiographic evaluation was performed on the athletes at rest. An electrocardiogram (ECG) was taken before and after the exercise. Blood samples were taken from all athletes before the exercise, during the first hour of exercise and after the fourth hour of the training session to analyse the serum levels of creatine kinase myocardial band, troponin T(cTnT) and pro-brain natriuretic peptide.
Results: The mean age of all athletes was 15.3±0.9 years. In the echocardiography examination, end-diastolic thickness, left ventricular end-diastolic diameter, posterior wall end-diastolic diameter, left ventricular end-systolic diameter, left ventricular mass measurements (LVM) and left ventricular mass indices (LVMI) were higher among the rowers than in the remaining groups. In the post-exercise ECG, T-wave peaks were observed in 16 individuals, including all rowers, all kayakers, and six footballers. The cTnT values in the first hour and after the fourth were 0.31–0.71 ng/ml in football players, 0.10–0.27 ng/ml in rowers, and 0.04–0.15 ng/ml kayakers. An increase in cTnT levels was detected after the fourth hour of exercise in all groups. There was a correlation between T-wave peaks in the ECG taken after exercise and age, cTnT serum level and increased LVM.
Conclusion: In this study, we found T-wave peaks in half of the athletes after exercise. The serum cTnT levels of young athletes may be elevated by exercise and that LVM and LVMI may be higher in athletes. Echocardiography and ECG evaluations should be performed in paediatric athletes.

Keywords

Pediatric Athletes, T-wave Peak, Troponin T, Echocardiography

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