The Annals of thoracic surgery · 2020
Ascending Aortoplasty in Pediatric Patients Undergoing Aortic Valve Procedures.
СтатьяНаблюдательное исследованиеНазвание и аннотация: Перевод пока не подготовлен
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Tan Corinne W, Marathe Supreet P, Kwon Michael H, Chavez Mariana, Friedman Kevin G, Staffa Steven, Del Nido Pedro, Baird Christopher W
Аннотация
BACKGROUND: The risks of ascending aortic dilation and indications for intervention in pediatric patients are unclear. Given the concern for aortic size mismatch with growth, larger ascending aortic diameters have been accepted in pediatric patients. The purpose of this study was to evaluate the effectiveness of ascending aortic reduction at the time of aortic valve surgery and its effect on recurrent aortic regurgitation.
METHODS: A retrospective 8-year observational review (2010-2018) was conducted in pediatric patients with dilated ascending aorta undergoing aortic valve surgery at a single institution.
RESULTS: Forty-seven patients underwent ascending aortoplasty during aortic valve surgery, of which 39 patients with complete data points had preoperative mean ascending aortic Z-scores of 5.35 ± 1.52 reduced to 1.22 ± 1.63 (P < .001) postoperatively. Ascending aortic Z-scores remained similar at 1.37 ± 1.72 at latest follow-up (P = .306). In contrast our matched control group (n = 39) without ascending aortoplasty had preoperative mean ascending aortic Z-scores of 4.15 ± 1.65 reduced to 3.26 ± 2.0 at the midterm follow-up. This reduction was significantly larger in the aortoplasty group, with an average difference in these changes of 3.12 (95% confidence interval, 2.43-3.8; P < .001). Multivariable logistic regression (controlling for aortic valve intervention type and body surface area) showed a 6.84 odds of moderate to severe aortic regurgitation at follow-up in the control group compared with the aortoplasty group (95% confidence interval, 1.43-32.8; P = .016). There were no complications associated with ascending aortoplasty.
CONCLUSIONS: Ascending aortoplasty is effective in reducing ascending aortic dimensions and recurrent aortic regurgitation in pediatric patients. Longer-term follow-up is necessary to determine continued rate of growth.
METHODS: A retrospective 8-year observational review (2010-2018) was conducted in pediatric patients with dilated ascending aorta undergoing aortic valve surgery at a single institution.
RESULTS: Forty-seven patients underwent ascending aortoplasty during aortic valve surgery, of which 39 patients with complete data points had preoperative mean ascending aortic Z-scores of 5.35 ± 1.52 reduced to 1.22 ± 1.63 (P < .001) postoperatively. Ascending aortic Z-scores remained similar at 1.37 ± 1.72 at latest follow-up (P = .306). In contrast our matched control group (n = 39) without ascending aortoplasty had preoperative mean ascending aortic Z-scores of 4.15 ± 1.65 reduced to 3.26 ± 2.0 at the midterm follow-up. This reduction was significantly larger in the aortoplasty group, with an average difference in these changes of 3.12 (95% confidence interval, 2.43-3.8; P < .001). Multivariable logistic regression (controlling for aortic valve intervention type and body surface area) showed a 6.84 odds of moderate to severe aortic regurgitation at follow-up in the control group compared with the aortoplasty group (95% confidence interval, 1.43-32.8; P = .016). There were no complications associated with ascending aortoplasty.
CONCLUSIONS: Ascending aortoplasty is effective in reducing ascending aortic dimensions and recurrent aortic regurgitation in pediatric patients. Longer-term follow-up is necessary to determine continued rate of growth.