整形外科と災害外科
Online ISSN : 1349-4333
Print ISSN : 0037-1033
ISSN-L : 0037-1033
大腿骨頚部骨折の骨折型発症に影響を及ぼす因子について
中村 達彦高田 尚文
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1998 年 47 巻 3 号 p. 835-837

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There are two types of porximal femoral fractures; cervical and trochanteric. The risk factors related to these types of fractures were examined. 15 women aged 66 to 99 (mean age; 81.5 years) with cervical fractures and age- and sex-matched controls aged 73 to 95 (mean age; 82.7 years) with trochanteric fractures were analyzed by the Wilcoxon signed-ranks test. Height, weight and body mass index were not considered risk factors. The bone mineral density of the neck region divided by that of the trochanteric region (NT value) was a significant risk factor. The average NT value was 1.27 for cervical fractures and 1.57 for trochanteric ones. The neck axis length (NAL) of the proximal femur was also a significant risk factor. The average NAL was 10.3cm for cervical fractures and 9.6cm for trochanteric.

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