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Chinese Journal of Joint Surgery(Electronic Edition) ›› 2020, Vol. 14 ›› Issue (04): 435-439. doi: 10.3877/cma.j.issn.1674-134X.2020.04.008

Special Issue: Orthopedics

• Clinical Research • Previous Articles     Next Articles

Bone mineral density and bone metabolism in elderly males with femoral neck fractures and depression

Chi Liu1, Lei Shi2, Jing He3, Junchuan Liu2, Maoyu Zhao2, Yaonan Zhang2, Qingyun Xue1,()   

  1. 1. Department of Orthopedics, Beijing Hospital, National Center of Gerontology, Beijing l00730, China; Graduate School of Peking Union Medical College, Beijing 100005, China
    2. Department of Orthopedics, Beijing Hospital, National Center of Gerontology, Beijing l00730, China
    3. Department of Neurology, Beijing Hospital, National Center of Gerontology, Beijing l00730, China
  • Received:2020-04-20 Online:2020-08-01 Published:2020-08-01
  • Contact: Qingyun Xue
  • About author:
    Corresponding author: Xue Qingyun, Email:

Abstract:

Objective

To analyze the changes of bone mineral density and biochemical markers of bone metabolism in elderly males with femoral neck fractures and depression, and to investigate the effect of depression on osteoporosis and bone metabolism.

Methods

Between January 2017 and January 2019 in Beijing Hospital, onehundredandtwo elderly males with femoral neck fractures were enrolled in the study.Pathological fracture and cognitive impairment were excluded. All the patients were divided into the depression group(52 cases) and the control group(50 cases) by geriatric depression scale (GDS). Bone mineral density (BMD) was detected using dual X-ray densitometry (DEXA). Bone metabolism biochemical markers, such as procollagen type Ⅰ N-peptide (P1NP), β isomer of C-terminal telopeptide of type Ⅰ collagen (β-CTX), osteocalcin(OC), 25-OH-VitD, alkaline phosphatase (ALP), calcium and phosphorus, were measured using enzyme linked immunosorbent assay (ELISA) method.Correlation of depression, bone metabolism and BMD was analyzed.The data were analyzed by chi-square test, t test, and Pearson correlation analysis.

Results

BMD of depression group was significantly lower than that of control group(lumbar t=5.964, hip neck t =2.845, P<0.05). Depression group(Compared with control group): the serum levels of 25(OH)D, OC, ALP and calcium were lower with statistically significant differences(t=3.077, 2.013, 2.111, 2.020, all P<0.05). β-CTX and phosphorus level were higher(t=2.938, 3.099, both P<0.05). No significant difference in P1NP (t =0.684, P>0.05). Depression scores were negatively correlated with BMD(r=-0.456, P<0.05), 25(OH)D (r=-0.546, P<0.05), OC (r=-0.215, P<0.05) and positively correlated with β-CTX(r=0.372, P<0.05), but not significantly correlated with P1NP (r=-0.115, P>0.05).

Conclusion

Depression is accompanied by the decrease of bone formation and increase of bone resorption, which is a risk factor for low bone density and fractures, so attention should be paid to the detection of bone metabolism makers and 25(OH)D in elderly patients with depression, and treating the osteoporosis in time.

Key words: Osteoporosis, Femoral neck fracture, Depression, Vitamin D, Bone mineral density

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