Cardiovascular Involvement in Children with Osteogenesis Imperfecta

AUTHORS

Homa Ilkhanipoor 1 , * , Hamdollah Karamifar 2 , Gholamhossein Ajami 3 , Zohreh Karamizadeh 4 , Gholamhossein Amirhakimi 5 , Ali-Mohammad Shakiba 6

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How to Cite: Ilkhanipoor H , Karamifar H, Ajami G, Karamizadeh Z, Amirhakimi G, et al. Cardiovascular Involvement in Children with Osteogenesis Imperfecta, Iran J Pediatr. 2013 ; 23(5):513-518.

ARTICLE INFORMATION

Iranian Journal of Pediatrics: 23 (5); 513-518
Published Online: July 14, 2013
Article Type: Research Article
Received: December 15, 2012
Accepted: June 04, 2013

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Abstract

Objective: Osteogenesis imperfecta is a hereditary disease resulting from mutation in type I procollagen genes. One of the extra skeletal manifestations of this disease is cardiac involvement. The prevalence of cardiac involvement is still unknown in the children with osteogenesis imperfecta. The present study aimed to investigate the prevalence of cardiovascular abnormalities in these patients. Methods: 24 children with osteogenesis imperfecta and 24 normal children who were matched with the patients regarding sex and age were studied. In both groups, standard echocardiography was performed, and heart valves were investigated. Dimensions of left ventricle, aorta annulus, sinotubular junction, ascending and descending aorta were measured and compared between the two groups. Findings: The results revealed no significant difference between the two groups regarding age, sex, ejection fraction,  shortening fraction, mean of aorta annulus, sinotubular junction, ascending  and descending aorta, but after correction based on the body surface area, dimensions of aorta annulus, sinotubular junction, ascending  and descending aorta in the patients were significantly higher than those in the control group (P<0.05). Two (8.3%) patients had aortic insufficiency and five (20%) patients had tricuspid regurgitation, three of whom had gradient >25 mmHg and one patient had pulmonary insufficiency with indirect evidence of pulmonary hypertension. According to Z scores of aorta annulus, sinotubular junction and ascending aorta, 5, 3, and 1 out of 24 patients had Z scores >2 respectively. Conclusion: The prevalence of valvular heart diseases and aortic root dilation was higher in children with osteogenesis imperfecta. In conclusion, cardiovascular investigation is recommended in these children.

 

Keywords

Osteogenesis Imperfecta Cardiovascular Abnormalities Heart Valve Diseases Echocardiography

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