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Ann Pediatr Endocrinol Metab > Volume 2(1); 1997 > Article
Bone Mineral Density in Well Controlled IDDM.
Dong Woon Shin, Heon Seok Han
Abstract
PURPOSE
Effects of IDDM on bone mineral metabolism are still in controversy. Some reported that bone mineral density in IDDM had inverse relationship with HbA1c, some reported that spine BMD was normal while femur BMD was decreased. Others reported that increased urinary calcium excretion in IDDM induced early trabecular bone mineral loss. We studied the correlation of BMD with diabetic control and body measurements. METHODS:In sixteen IDDM patients, using dual energy X-ray absorptiometry, BMD was measured in lumbar spine as trabecular bone and femur neck as cortical bone. Z-score of BMD was obtained by comparing age and sex matched control data. Correlations between BMD and diabetic control parameters (HbA1c, duration of IDDM) and body measurements were calculated.
RESULTS
The body measurements were in normal range in all IDDM patients, the duration of IDDM was 38.4+/-24.0months, HbA1c was in good control state (7.69+/-1.53%), and urinary Ca/creatinine ratio was not increased. The Z-score of BMD was not decreased statistically (lumbar spine: -0.255, femur neck: -0.404), and the Z-score had no correlationship with body measurements and diabetic control parameters.
CONCLUSIONS
In well controlled childhood IDDM, BMD was not decreased significantly.
Keywords: IDDM;Bone mineral density


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