Kaneko Ayaka, Naito Kiyohito, Nagura Nana, Obata Hiroyuki, Goto Kenji, Sugiyama Yoichi, Koike Masato, Nojiri Hidetoshi, Iwase Yoshiyuki, Kaneko Kazuo
Department of Orthopaedics, Juntendo University School of Medicine, Tokyo, Japan.
Department of Orthopaedic Surgery, Juntendo Tokyo Koto Geriatric Medical Center, Tokyo, Japan.
Heliyon. 2020 Aug 20;6(8):e04756. doi: 10.1016/j.heliyon.2020.e04756. eCollection 2020 Aug.
Distal radius fractures occur due to reflex clasp when falling. Recently, attention has been focused on the strong relationship between sagittal spine alignment and falls. Therefore, we investigated the parameters of sagittal spinal alignment in distal radius fractures in female patients.
The subjects were group D: 28 female patients with distal radius fractures aged 50 years or older (mean age: 69.3 years), and group C: 26 healthy female patients without a history of fragility fractures (mean age: 70.5 years). Height, body weight, and body mass index (BMI) were measured as physical indices. As parameters of sagittal spinal alignment, the sagittal vertical axis (SVA), pelvic tilt (PT), pelvic incidence (PI), sacral slope (SS), lumber lordosis (LL), and thoracic kyphosis (TK) were measured on lateral whole-spine plain radiographs in a standing position. The measured physical indices and sagittal spinal alignment parameters were compared between groups.
Height, weight, and BMI did not differ significantly between the two groups. Among the sagittal spinal alignment parameters, PT, PI, SS, LL, and TK did not differ significantly between groups, whereas SVA was significantly higher in group D than in group C (P < 0.05).
In this study, SVA was significantly higher in group D than in group C. As SVA increased, the center of gravity of the body shifts forward, which can cause the body to lose balance and fall. This study suggested that an increase in SVA is associated with distal radius fractures.
桡骨远端骨折多因跌倒时的反射性抓握动作所致。近来，矢状面脊柱排列与跌倒之间的紧密关系受到关注。因此，我们对女性桡骨远端骨折患者矢状面脊柱排列的参数进行了研究。
研究对象分为两组，D组为28例50岁及以上的桡骨远端骨折女性患者（平均年龄69.3岁），C组为26例无脆性骨折病史的健康女性患者（平均年龄70.5岁）。测量身高、体重和体重指数（BMI）作为身体指标。作为矢状面脊柱排列的参数，在站立位全脊柱侧位X线平片上测量矢状垂直轴（SVA）、骨盆倾斜度（PT）、骨盆入射角（PI）、骶骨倾斜度（SS）、腰椎前凸（LL）和胸椎后凸（TK）。比较两组间测量的身体指标和矢状面脊柱排列参数。
两组间身高、体重和BMI无显著差异。在矢状面脊柱排列参数中，两组间PT、PI、SS、LL和TK无显著差异，而D组的SVA显著高于C组（P<0.05）。
本研究中，D组的SVA显著高于C组。随着SVA增加，身体重心向前移动，可导致身体失去平衡并跌倒。本研究提示SVA增加与桡骨远端骨折有关。
