Genes · 2022
Clinical Risk Factors for Aortic Root Dilation in Patients with 22q11.2 Deletion Syndrome: A Longitudinal Single-Center Study.
СтатьяПоддержка исследования: вне правительства СШАНазвание и аннотация: Перевод в очереди
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Putotto Carolina, Pulvirenti Federica, Pugnaloni Flaminia, Isufi Ina, Unolt Marta, Anaclerio Silvia, Caputo Viviana, Bernardini Laura, Messina Elisa, Moretti Corrado, Tarani Luigi, Marino Bruno, Versacci Paolo
Аннотация
BACKGROUND: Aortic root dilation (ARD) has been described in 22q11.2DS, even without congenital heart disease (CHD). However, the clinical implications and longitudinal course are unclear. In this study, we evaluated aortic root (AR) dimensions in 22q112.DS adolescents/adults without major intracardiac CHDs, analyzed the progression over time and investigated correlations with extracardiac comorbidities.
METHODS: AR dimensions were evaluated in 74 patients, measuring the sinus of Valsalva (VS) and proximal ascending aorta (AA), using Z-score to define mild, moderate and severe degrees. Changes in AR dimensions during longitudinal echocardiographic follow-up were investigated. Phenotypic characteristics have been collected.
RESULTS: Twenty-four patients (32.4%) showed ARD in terms of VS Z-score (2.43; IQR 2.08-3.01), eight (33.3%) of a moderate/severe degree. Thirteen (54.2%) had concomitant AAD (Z-score 2.34; IQR 1.60-2.85). The risk of ARD was significantly directly related to skeletal/connective tissue disorders (OR 12.82, 95% CI 1.43-115.31; p = 0.023) and inversely related to BMI (OR 0.86, 95% CI 0.77-0.97; p = 0.011). A significant increase in AR diameter's absolute value (p = 0.001) over time has been detected.
CONCLUSION: Isolated ARD is common in 22q11.2DS. Although some clinical risk factors have been identified, pathogenetic mechanisms and risk of complications are undefined. Regular cardiac evaluations should be part of the 22q11.2DS follow-up, and also in non-CHDs patients, to improve long-term outcome.
METHODS: AR dimensions were evaluated in 74 patients, measuring the sinus of Valsalva (VS) and proximal ascending aorta (AA), using Z-score to define mild, moderate and severe degrees. Changes in AR dimensions during longitudinal echocardiographic follow-up were investigated. Phenotypic characteristics have been collected.
RESULTS: Twenty-four patients (32.4%) showed ARD in terms of VS Z-score (2.43; IQR 2.08-3.01), eight (33.3%) of a moderate/severe degree. Thirteen (54.2%) had concomitant AAD (Z-score 2.34; IQR 1.60-2.85). The risk of ARD was significantly directly related to skeletal/connective tissue disorders (OR 12.82, 95% CI 1.43-115.31; p = 0.023) and inversely related to BMI (OR 0.86, 95% CI 0.77-0.97; p = 0.011). A significant increase in AR diameter's absolute value (p = 0.001) over time has been detected.
CONCLUSION: Isolated ARD is common in 22q11.2DS. Although some clinical risk factors have been identified, pathogenetic mechanisms and risk of complications are undefined. Regular cardiac evaluations should be part of the 22q11.2DS follow-up, and also in non-CHDs patients, to improve long-term outcome.