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Long‐term effects of balloon angioplasty on left ventricular hypertrophy in adolescent and adult patients with native coarctation of the aorta. Up to 18 years follow‐up results
Author(s) -
Hassan Walid,
Awad Mahmoud,
Fawzy Mohamed Eid,
Omrani Ahmad Al,
Malik Shahid,
Akhras Nathem,
Shoukri Mohamed
Publication year - 2007
Publication title -
catheterization and cardiovascular interventions
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.988
H-Index - 116
eISSN - 1522-726X
pISSN - 1522-1946
DOI - 10.1002/ccd.21287
Subject(s) - medicine , left ventricular hypertrophy , cardiology , confidence interval , cardiac catheterization , balloon , coarctation of the aorta , angioplasty , blood pressure , aorta
Background: Little is known regarding the long‐term follow‐up results of balloon angioplasty (BA) for patients with native aortic coarctation (AC) on left ventricular hypertrophy (LVH) regression. Objectives: The purpose of this study was to define the long‐term effect of BA of AC on LVH in adolescent and adult patients. Methods: Follow‐up data of 53 patients (36 male) mean age 24 ± 9 years undergoing BA for discrete AC at median interval of 11.8 years (range 4–18 years) including cardiac catheterization, magnetic resonance imaging, and Echocardiography form the basis of this study. Patients were divided into two groups at 1 year after BA based on absence (group A) or presence (group B) of persistent hypertension and need for medication. Results: Forty‐nine patients had baseline LVH, BA produced an immediate reduction in peak AC gradient from 66 ± 23 mm Hg (95% confidence interval [CI]: 59.5–72.7) to 10.8 ± 7 mm Hg (95% CI: 8.8–12.5) ( P < 0.0001). Follow‐up catheterization 12 months later revealed a residual gradient of 6.2 ± 6 mm Hg (95% CI: 4.4–7.9) ( P < 0.001). The blood pressure had normalized without medication in 38 of the 49 patients (165 ± 17 to 115 ± 10 mm Hg). Left ventricular mass index (LVMI) decreased significantly (>20% decrease LVMI from baseline) in 48 patients (98%) at median interval 1.4 years (range 0.5–3 years) post BA, group A (38 patients) LVMI decreased from 132 ± 30.7 g/m 2 (95% CI: 122–141.9) to 86 ± 19.9 g/m 2 (95% CI: 79.5–92.5) ( P < 0.0001). Similarly, in 10 patients (group B) the LVMI decreased from 157 ± 38.7 g/m 2 (95% CI: 127–185) to 102 ± 29 g/m 2 (95% CI: 105–151) ( P < 0.0001) at follow‐up. Mild (<20% decrease in LVMI) regressions were noted in one patient from group B. There was no progression to LVH in the four patients who had normal baseline LVMI. Conclusion: (1) Long‐term results of BA for discrete AC are excellent and should be considered as first option for treatment of this disease; (2) Regression of LVH (≥20% reduction in LVMI) occurred in 98% of patients after BA. © 2007 Wiley‐Liss, Inc.

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