Abstract
This study was conducted to assess bone mineral density (BMD) and bone mineral content (BMC) of patients with hemoglobin H (HbH) disease. BMD and BMC were measured by dual energy X-ray absorptiometry of the lumbar spines and femur neck in 21 patients with Hb H disease over the age of 10years. An association of BMD with sex, age, hemoglobin, calcium, phosphorus, and serum ferritin level was also evaluated. Prevalence of BMD below the expected range for age in the lumbar spine and femur neck region in patients with HbH disease were 33.3 and 14.3%, respectively. Lumbar BMD was significantly lower in the patients compared to healthy individuals (median (min-max) 0.725 (0.595-0.924) vs. 1.061 (0.645-1.238), P < 0.001)). There was no significant relationship between BMD in the lumbar and femur neck with any of the evaluated variables (P value >0.05). Data regarding bone density in HbH disease is limited; osteoporosis as a common complication of β-thalassemia intermedia syndrome should be considered even in HbH which shows its prevalence is less than β-thalassemia intermedia.
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