PURPOSE To evaluate differences and correlations of spine and hip region BMD in osteoporotic patients with or without spine fracture. MATERIALS AND METHODS From January 1999 to December 2002, We measured and evaluated BMD of L3 and hip by DXA in 52 patients with spine fracture (fracture group) and 96 osteoporotic patients without spine fracture (non-fracture group) above 60 years. RESULTS The average age of patients with spine fracture is 72.1 years and without spine fracture is 66.9 years. There were no statistical significant differences of BMD of spine, neck of femur and trochanteric area between 2 groups. But the BMD of Ward triangle of fracture group decreased significantly in statistics. The correlation coefficient between the lumbar spine and trochanteric area were 0.674 in fracture group and 0.794 in non-fracture group. They had statistical significance (<0.01). CONCLUSION The BMD of Ward triangle of fracture group had lower value, but the BMD of lumbar spine had no differences between 2 groups. Therefore in these persons who have decreased BMD in Ward triangle should be concerned about high vertebral compression fracture risk vertebral compression fracture.
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Osteoporosis is the metabolic bone disease and the bone is easily fracture by minimal stress due to decreased bone mass. It gets to attract more and more interest due to surprisingly high incidence and prevalence as well as its complications, fracture. We compared the bone mineral density between 45 osteoporotic patients group with compression fractures of the spine, 105 osteoporotic patients group without fractures and 45 normal control group using dual energy X-ray absorptiometry.
We obtained following results. 1. There are statistically no significant differences between bone mineral density of the osteoporotic group with compression fracture of the spine and bone mineral density of the osteoporotic group without fractures. 2. Height and weight had statistically significant correlation with bone mineral density of the lumbar spine anteroposterior view, lateral view and Ward triangle. 3. Fracture threshold of the lumbar spine anteroposterior view, lateral wiew and Ward triangle are 0.884g/cm2, 0.694g/cm2 and 0.514g/cm2 according to 90percentile, 0.979g/cm2, 0.732g/cm2, 0.545g/cm2 according to 95percentile.
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