![]() ![]() ![]() PT is the angle between the line joining the center and the center of the femoral heads with the vertical ( Figure 1B). SVA is the distance between the sagittal C7 plumb line (which is a vertical line drawn from the vertebral body of the 7th cervical vertebra (C7) to the ground) and the posterior, superior corner of the sacrum ( Figure 1A). Height, body weight, and body mass index (BMI) were measured as physical indices in all patients.Īs parameters for assessing sagittal spine alignment, SVA, PT, PI, SS, LL, and TK were first measured on lateral whole-spine plain radiographs in a standing position. None of the subjects had a history of visual impairment or dementia, or had a therapeutic intervention for osteoporosis. We also excluded subjects with a history of spinal surgery and compression fractures of the spine, and subjects with severe spinal deformities. Men, young people under the age of 50, cases with high-energy trauma such as traffic accidents, and medical disorders were excluded. Since the rate of secondary displacement by conservative treatment was 21–47 % according to Pavone's report, all patients with distal radius fractures were treated with volar locking plates. Of 75 patients with distal radius fractures who underwent surgical treatment at our hospital between April 2018 and October 2019, 28 female patients aged 50 years or older who were injured due to minor falls (mean age: 69.3 years) were enrolled (group D), and 26 healthy female patients without a history of fragility fractures (mean age: 70.5 years) who visited our outpatient department for locomotive syndrome between February 2017 and December 2018 were also enrolled (group C). ![]() 19-186), and informed consent was received from all patients. The study was approved by the ethics committee for medical research of our university (No. These parameters were compared between fracture patients and healthy elderly persons. First, we investigated parameters of sagittal spine alignment, namely SVA, PT, pelvic incidence (PI), sacral slope (SS), lumber lordosis (LL), and TK, in patients with distal radius fractures due to falls and age-matched healthy elderly persons. The purpose of this study was to investigate the characteristics of sagittal spinal alignment in distal radius fractures patients. It is known that the sagittal vertical axis (SVA), an index of the balance of the entire spine, increases in such age-related sagittal spinal alignment, and it is considered to be an index of the fall risk. This causes compensatory changes such as an increase in posterior pelvic tilt (PT). With aging, thoracic kyphosis (TK) increases, causing the body to lean forward. On the other hand, attention has recently been paid to the strong relationship between sagittal spinal alignment and falls. The risk factors for falls that have been reported thus far include muscular weakness, visual and cognitive disorders, and adverse reactions to multiple oral medications. It remains unclear why falls occur and result in distal radius fractures as fragility fractures in certain individuals. Distal radius fractures occur due to reflex clasp when falling, and the fragility of the bone also affects these fractures. Thus, it has been reported that distal radius fractures are the first fragility fractures. The incidence of distal radius fractures also increases in women from their late 50s, but does not increase after the age of 70 years. The incidences of vertebral fractures and proximal femur fractures increase from around the ages 60 and 70 years, respectively. The most common sites of fragility fractures are the vertebral body, proximal femur, proximal humerus, and distal radius. Many fractures that occur in the elderly are fragility fractures due to osteoporosis. ![]()
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