A comparison of the bone mineral density of the vertebral bodies and the hip in elderly females with hip fractures. Assessment using dual photon absorptiometry.

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The influence of decreasing bone mineral density with age and the occurrence of hip fractures in elderly females was investigated. Normal hips were studied in 287 healthy women whose ages ranged from 20 to 90 years old. The normal hip in 61 patients who had all suffered a femoral neck or intertrochanteric hip fracture, and were over 60 years old, were also studied and compared. The bone mineral density (BMD) of the lumbar vertebrae and the hip was measured with dual beam photon absorptiometry, for all patients. There was no correlation between the bone mineral density of the lumbar vertebral bodies, and the bone mineral density of the proximal femur. The peak bone mass in e lumbar vertebrae was seen in the thirties, but the peak bone mass in the hip was seen in the twenties. Bone mineral density in the lumbar vertebrae and in the hip was decreased in the patients who had sustained a hip fracture when compared to the control patients. The bone mineral density in the proximal femur was significantly reduced in patients who had sustained a hip fracture, especially in the region of Ward's triangle. These findings suggested that decreased bone mass in the hip at Ward's triangle may be correlated with the occurrence of hip fractures.
神戸大学の論文