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  • Title: Prevalence of arterial hypertension, hemodynamic phenotypes, and left ventricular hypertrophy in children after coarctation repair: a multicenter cross-sectional study.
    Author: Sendzikaite S, Sudikiene R, Tarutis V, Lubaua I, Silis P, Rybak A, Jankauskiene A, Litwin M.
    Journal: Pediatr Nephrol; 2020 Nov; 35(11):2147-2155. PubMed ID: 32529324.
    Abstract:
    BACKGROUND: This study aimed to evaluate hemodynamic phenotypes and prevalence of left ventricular hypertrophy in children after coarctation repair with right arm and leg blood pressure difference < 20 mmHg. Secondary objectives were analysis of effects of age at intervention, residual gradient across the descending aorta, and type of correction. METHODS: Blood pressure status and left ventricular hypertrophy were diagnosed according to European Society of Hypertension 2016 guidelines. RESULTS: Of 90 patients with a median age 12.5 (8.9-15.8) years, 8.5 (6.0-11.8) years after coarctation repair who were included, 42 (46.7%) were hypertensive. Isolated systolic hypertension dominated among 29 hypertensive patients with uncontrolled or masked hypertension (25 of 29; 86.2%). Of the 48 patients with office normotension, 14.6% (7) had masked hypertension, 8.3% (4) had ambulatory prehypertension, and 54.2% (26) were truly normotensive. Left ventricular hypertrophy was diagnosed in 29 patients (32.2%), including 14 of 42 (33.3%) hypertensive and 15 of 48 (31.3%) normotensive patients. The peak systolic gradient across the descending aorta was greater in hypertensive subjects (33.3 ± 12.7 mmHg) compared with normotensive subjects (25 ± 8.2 mmHg, p = 0.0008). Surgical correction was performed earlier than percutaneous intervention (p < 0.0001) and dominated in 40 of 48 (83.3%) normotensive versus 24 of 42 (57.1%) hypertensive patients (p = 0.006). CONCLUSIONS: Arterial hypertension with isolated systolic hypertension as the dominant phenotype and left ventricular hypertrophy are prevalent even after successful coarctation repair. Coarctation correction from the age of 9 years and older was associated with a higher prevalence of hypertension.
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