• Ana Paula Vanz, Juliana van de Sande Lee, Bruna Pinheiro, Marina Zambrano, Evelise Brizola, Neusa Sicca da Rocha, Ida Vanessa D Schwartz, Maria Marlene de Souza Pires, and Têmis Maria Félix.
• Child and Adolescent Health, Universidade Federal do Rio Grande do Sul, Porto Alegre, Brazil.
• Bmc Pediatr. 2018 Mar 2; 18 (1): 95.

BackgroundOsteogenesis imperfecta (OI) is a disorder of bone formation leading to low mineral density and fractures. Children and adolescents with OI require periodic medical follow up, corrective surgery, drug therapy and physical therapy, as well as specific daily care practices. In addition, they have an increased incidence of fractures, which require immobilization and cause severe discomfort and short-term disability. This study evaluated the health-related quality of life of children and adolescents with OI in two reference centers for OI treatment in southern Brazil.MethodsIn this prospective cross-sectional study, the Pediatric Quality of Life Inventory (PedsQLTM) was applied in two university-affiliated reference centers for OI treatment in southern Brazil. Children and adolescents aged ≥ 5 years with clinical diagnoses of OI were included. Clinical data and socioeconomic status was evaluated.ResultsThe sample consisted of 52 children and adolescents with OI (aged 5-17 years); 26 (50%) participants with type I OI, 13 (25%) type IV, 12 (23.1 %) type III, and 1 (1.9%) type V OI. Physical and social functioning domains differed significantly according to clinical presentation of OI with lowest scores in the severe type (OI type III). Pain seems to be the variable that is most associated with impact on the PedsQL domains.ConclusionsOverall, this study revealed differences in physical functioning and social functioning in relation to OI clinical presentation. These results reinforcing the importance of the clinical management of these patients with the aim of functional improvement and importance of pain control.

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