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AI InsightExamining selected cardiac biomarkers and echocardiography-derived parameters are useful in the assessment of the aging sRV.
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Özet
Objective: The number of patients with congenitally corrected transposition of the great arteries (ccTGA) surviving to old age is increasing. This study therefore sought to characterize “geriatric” systemic right ventricle (sRV) in terms of clinical profile, cardiac biomarkers, and echocardiography-derived function when compared with findings in younger patients.Methods: A single-center cross-sectional study of adults with ccTGA was performed. Patients underwent clinical assessment; transthoracic echocardiography; and venous blood sampling including N-terminal pro–B-type natriuretic peptide (NTproBNP), galectin-3, and soluble suppression of tumorgenicity 2 (sST2) measurements. In the echocardiographic study, the sRV function was assessed using fractional area change (FAC), tricuspid annular plane systolic excursion (TAPSE), systolic pulsed-wave Doppler velocity (s′), and longitudinal strain (LS).Results: Ten patients with ccTGA aged 60 years or older and 53 patients younger than 60 years of age were included. There were significantly more individuals with hypertension (40% vs. 5.7%), dyslipidaemia (50% vs. 5.7%), and atrial fibrillation (70% vs. 20.7%) in the older group; similarly, we found higher NTproBNP (2706 pg/mL vs. 784.7 pg/mL; p<0.001), and galectin-3 (10.15 ng/mL vs. 7.24 ng/mL; p=0.007) concentrations in elderly ccTGA individuals, while sST2 content did not vary significantly according to age. Upon echocardiographic assessment, lower sRV FAC (28.6% vs. 36.1%; p=0.028) and LS (−12% vs. −15.5%; p=0.017) values were observed in patients aged 60 years or older. TAPSE and s’ did not differ between the age groups.Conclusion: Careful screening for acquired comorbidities, particularly atrial fibrillation, in elderly ccTGA patients is warranted. Examining selected cardiac biomarkers and echocardiography-derived parameters are useful in the assessment of the aging sRV.