整形外科から 骨粗鬆症を基盤に発生する骨折（徳島県における大腿骨頚部骨折の実態）

The numbers and features of occurrence, causes, treatments and prognosis of femoral neck fracture with osteoporosis in Tokushima prefecture were investigated in the 10th fiscal year of Heisei.
634 patients (154 males and 480 females) suffered from the femoral neck fracture. Females were 3.1 times as many as males. In females, the occurrence of the fracture had a tendency to increase to 85-years-old population. In fracture types, 253 cases were intracapsular type and 381 cases extracapsular type. Extracapsular type of the femoral neck fracture increased in proportion to aging. 384 cases were treated with osteosynthesis, 207 cases with femoral prosthesis and 43 cases with othermethods. The main cause of the fracture was trivial fall (79%). 288 cases returned to home and 258 cases still admitted in the secondary hospitals. 69 cases entered to the nursing home. Half of the patients who could walk with or without crutch before fracture were able to return to home, on the other hand, the ratio of patients who could return to home among the patients with no ability of walk before injury was less than 10%. Mortality rate was 2.1 % at the discharge.