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JOURNAL ARTICLE

Echocardiographic study in children with osteogenesis imperfecta

Bruna S Pinheiro, Patrícia M Barrios, Liliane T Souza, Têmis M Félix
Cardiology in the Young 2020 August 14, : 1-6
32792038

BACKGROUND: Osteogenesis imperfecta is a collagen type I bone disorder. Recently, extra-skeletal manifestations have been described, including many cardiovascular alterations. This study aims to report echocardiogram study in children with osteogenesis imperfecta compared to a control group.

METHODS: A cross-sectional comparative study took place in the Reference Center for Treatment of Osteogenesis Imperfecta in Southern Brazil. Fifty-four patients with osteogenesis imperfecta were paired with 54 controls, based on body surface area, and echocardiogram findings were compared.

RESULTS: All cases were asymptomatic for cardiac manifestations. The case group presented significant larger values in aortic diameter, left atrium diameter, left ventricule end-diastolic diameter, left ventricule end-systolic diameter, and right ventricle diameter compared with the control group. The analysis considering the severity of osteogenesis imperfecta shows that in mild osteogenesis imperfecta, the aortic diameter (p < 0.001), left atrium diameter (p = 0.002), left ventricule end-diastolic diameter (p = 0.001), left ventricule end-systolic diameter (p = 0.026), and right ventricle diameter (p < 0.001) were significantly larger than in the control group. Patients with moderate/severe osteogenesis imperfecta had similar results, with aortic diameter (p < 0.001), left atrium diameter (p < 0.001), left ventricule end-diastolic diameter (p = 0.013), and left ventricule end-systolic diameter (0.004) statistically larger than controls. Twenty-six (48.1%) of the cases had physiological tricuspid regurgitation and in controls this finding was observed in eight (14.8%) (p < 0.001).

CONCLUSION: Children with osteogenesis imperfecta presented cardiac function within the normal pattern, but dimensions of left ventricular dimensions were increased compared to the ones of the controls.

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