Aortic valve repair decreases risks of VRE in AI at 10 years: a propensity score-matched analysis

Long-term Results of Valve-Sparing Aortic Root Replacement and Aortic Cusp Repair

BACKGROUND

Long-term results of valve-sparing aortic root replacement (VSRR) and aortic cusp repair for aortic regurgitation are unclear.

METHODS

VSRR by reimplantation was performed in 363 patients. Tricuspid aortic valve (TAV) and bicuspid aortic valve were found in 285 and 71 patients, respectively.

RESULTS

Aortic cusp repair was performed in 268 patients. Of patients with TAV 129 had central plication of the Arantius node, 36 had free margin resuspension, and 71 had reinforcement. Mean follow-up was 71.4 months. Among TAV patients freedom from aortic valve reoperation at 10 and 15 years was 85.1% and 78.3%, respectively. Freedom from aortic valve reoperation at 10 years was lower in patients with cusp prolapse than without (77.4% vs 93.2%, P = .007). The overall freedom from more than mild aortic regurgitation at 10 and 15 years was 72.4% and 64.0%, respectively. It was also significantly greater in patients without cusp prolapse (78.4% vs 67.7%, P = .02). As for the cusp repair technique the freedom from aortic valve reoperation at 10 years was significantly better in patients who underwent only resuspension or reinforcement techniques compared with patients who underwent only central plication technique (100% vs 72.8%, P = .008).

CONCLUSIONS

Long-term results of VSRR with aortic cusp repair were satisfactory. The resuspension technique appears to be useful for repairing aortic cusp prolapse in patients with TAV.

Aortic valve repair in neonates, infants and children: a systematic review, meta-analysis and microsimulation study

OBJECTIVES

To support clinical decision-making in children with aortic valve disease, by compiling the available evidence on outcome after paediatric aortic valve repair (AVr).

METHODS

A systematic review of literature reporting clinical outcome after paediatric AVr (mean age at surgery <18 years) published between 1 January 1990 and 23 December 2021 was conducted. Early event risks, late event rates and time-to-event data were pooled. A microsimulation model was employed to simulate the lives of individual children, infants and neonates following AVr.

RESULTS

Forty-one publications were included, encompassing 2 623 patients with 17 217 patient-years of follow-up (median follow-up: 7.3 years; range: 1.0-14.4 years). Pooled mean age during repair for aortic stenosis in children (<18 years), infants (<1 year) or neonates (<30 days) was 5.2 ± 3.9 years, 35 ± 137 days and 11 ± 6 days, respectively. Pooled early mortality after stenosis repair in children, infants and neonates, respectively, was 3.5% (95% confidence interval: 1.9-6.5%), 7.4% (4.2-13.0%) and 10.7% (6.8-16.9%). Pooled late reintervention rate after stenosis repair in children, infants and neonates, respectively, was 3.31%/year (1.66-6.63%/year), 6.84%/year (3.95-11.83%/year) and 6.32%/year (3.04-13.15%/year); endocarditis 0.07%/year (0.03-0.21%/year), 0.23%/year (0.07-0.71%/year) and 0.49%/year (0.18-1.29%/year); and valve thrombosis 0.05%/year (0.01-0.26%/year), 0.15%/year (0.04-0.53%/year) and 0.19%/year (0.05-0.77%/year). Microsimulation-based mean life expectancy in the first 20 years for children, infants and neonates with aortic stenosis, respectively, was 18.4 years (95% credible interval: 18.1-18.7 years; relative survival compared to the matched general population: 92.2%), 16.8 years (16.5-17.0 years; relative survival: 84.2%) and 15.9 years (14.8-17.0 years; relative survival: 80.1%). Microsimulation-based 20-year risk of reintervention in children, infants and neonates, respectively, was 75.2% (72.9-77.2%), 53.8% (51.9-55.7%) and 50.8% (47.0-57.6%).

CONCLUSIONS

Long-term outcomes after paediatric AVr for stenosis are satisfactory and dependent on age at surgery. Despite a high hazard of reintervention for valve dysfunction and slightly impaired survival relative to the general population, AVr is associated with low valve-related event occurrences and should be considered in children with aortic valve disease.