Echocardiographic study in children with osteogenesis imperfecta

Area of Science:

• Pediatric Cardiology
• Genetics
• Biomaterials Science

Background:

• Osteogenesis imperfecta (OI) is a genetic disorder affecting collagen type I, leading to bone fragility.
• Extra-skeletal manifestations, particularly cardiovascular alterations, are increasingly recognized in OI.
• Echocardiography is crucial for assessing cardiac involvement in pediatric OI.

Purpose of the Study:

• To compare echocardiogram findings in children with osteogenesis imperfecta to a healthy control group.
• To identify specific cardiovascular structural changes associated with OI in pediatric patients.

Main Methods:

• A cross-sectional comparative study involving 54 pediatric patients with OI and 54 matched controls.
• Echocardiogram parameters were systematically measured and compared between the OI group and the control group.
• Analysis stratified by OI severity (mild vs. moderate/severe) was performed.

Main Results:

• Patients with OI exhibited significantly larger aortic diameter, left atrium diameter, left ventricular dimensions (end-diastolic and end-systolic), and right ventricle diameter compared to controls.
• These differences were statistically significant across all severity levels of OI.
• Physiological tricuspid regurgitation was more prevalent in the OI group (48.1%) than in controls (14.8%).

Conclusions:

• Children with osteogenesis imperfecta demonstrate normal cardiac function but exhibit increased cardiac chamber dimensions.
• Echocardiographic assessment reveals significant structural cardiovascular differences in pediatric OI patients.
• These findings underscore the importance of cardiac monitoring in children diagnosed with OI.