Increased prevalence of osteonecrosis of the femoral head in children and adolescents with sickle‐cell disease

Abstract

anemia. Blood 2010;115:5300–5311. 10. Thornburg CD, Calatroni A, Telen M, Kemper AR. Adherence to hydroxyurea therapy in children with sickle cell anemia. J Pediatr 2010;156:415–419. 11. Sichle Cell Disease Guidelines-Hydroxyurea Chapter. http://rover.nhlbi.nih. gov/guidelines/scd/about.htm. Accessed November 21, 2011. 12. de Montalembert M, Brousse V, Elie C, et al. Long-term hydroxyurea treatment in children with sickle cell disease: Tolerance and clinical outcomes. Haematologica 2006;91:125–128. 13. Zimmerman SA, Schultz WH, Davis JS, et al. Sustained long-term hematologic efficacy of hydroxyurea at maximum tolerated dose in children with sickle cell disease. Blood 2004;103:2039–2045. 14. Burgess SW SP, Morawska A, Devadason SG. Assessing adherence and factors associated with adherence in young children with asthma. Respirology 2008;13:559–563. 15. Jentzsch NS, Camargos PA, Colosimo EA, Bousquet J. Monitoring adherence to beclomethasone in asthmatic children and adolescents through four different methods. Allergy 2009;64:1458–1462. 16. Thornburg CD, Calatroni A, Telen M, Kemper AR. Adherence to hydroxyurea therapy in children with sickle cell anemia. J Pediatr 2010;156:415– 419. 17. Osterberg L, Blaschke T. Adherence to medication. N Engl J Med 2005;353: 487–497. 18. Franklin VL, Waller A, Pagliari C, Greene SA. A randomized controlled trial of Sweet Talk, a text-messaging system to support young people with diabetes. Diabet Med 2006;23:1332–1338. 19. Lee SJ, Joffe S, Kim HT, et al. Physicians’ attitudes about quality-of-life issues in hematopoietic stem cell transplantation. Blood 2004;104:2194– 2200. 20. Wong EC, Perez-Albuerne E, Moscow JA, Luban NL. Transfusion management strategies: A survey of practicing pediatric hematology/oncology specialists. Pediatr Blood Cancer 2005;44:119–127. 21. Streiff MB, Smith B, Spivak JL. The diagnosis and management of polycythemia vera in the era since the Polycythemia Vera Study Group: A survey of American Society of Hematology members’ practice patterns. Blood 2002;99: 1144–1149.