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单位:100035北京积水潭医院呼吸内科(申勤勤、程洋、戴丽、夏国光),放射科(程晓光)
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【摘要】目的 探讨老年男性慢性阻塞性肺疾病(COPD)稳定期患者骨密度与骨代谢标志物水平的改变。方法 选取2016年1月至2017年12月北京积水潭医院住院的老年男性COPD稳定期患者41例(COPD组),另外选择我院同期体检无COPD的老年男性42名为对照组,比较2组研究对象骨密度和骨代谢标志物水平的差异。结果 COPD组骨量减少及骨质疏松发生率均高于对照组[43.9%(18/41)比31.0%(13/42),36.6%(15/41)比14.3%(6/42)],差异均有统计学意义(均P<0.05)。COPD组L1~4及股骨颈、全髋骨密度T值均低于对照组[-0.3(-1.0,0.7)比0.6(-0.3,2.0),-2.1(-2.5,-1.4)比-1.5(-2.5,-1.0),-1.3(-2.0,-0.8)比-1.1(-1.4,-0.2)],差异均有统计学意义(均P<0.05)。COPD组患者骨生成指标Ⅰ型前胶原氨基端延长肽和骨吸收指标Ⅰ型胶原羧基端肽β特殊序列及骨转化指标N端骨钙素均高于对照组[(40±12)μg/L比(32±12)μg/L,(0.52±0.21)μg/L比(0.42±0.24)μg/L,(13±4)μg/L比(11±4)μg/L],25-羟维生素D低于对照组[(12±4)μg/L比(16±6)μg/L],差异均有统计学意义(均P<0.05)。结论 老年男性COPD患者骨密度低于同年龄对照组,骨质疏松发生率高,COPD继发骨质疏松症为高转换型。
【Abstract】Objective To explore the features of bone mineral density(BMD) and bone metabolic markers in old male patients with stable chronic obstructive pulmonary disease(COPD). Methods From January 2016 to December 2017, 41 old male patients with COPD at stationary phase(COPD group) and 42 old males without COPD(control group) were included in Beijing Jishuitan Hospital. BMD and bone metabolic markers were analyzed. Results Proportions of osteopenia and osteoporosis in the COPD group were higher than those in the control group[43.9%(18/41)vs 31.0%(13/42), 36.6%(15/41)vs 14.3%(6/42)](P<0.05). BMD T-values of L1-4, femoral neck and hipbone in the COPD group were lower than those in the control group[-0.3(-1.0,0.7) vs 0.6(-0.3,2.0), -2.1(-2.5,-1.4) vs -1.5(-2.5,-1.0), -1.3(-2.0,-0.8) vs -1.1(-1.4,-0.2)](P<0.05). Levels of N-terminal propeptide of type Ⅰ collagen, β cross-linked C-telopeptide of type Ⅰ collagen, N-MID osteocaltin in the COPD group were higher and 25-hydroxyvitamin D was lower than those in the control group[(40±12)μg/L vs (32±12)μg/L, (0.52±0.21)μg/L vs (0.42±0.24)μg/L, (13±4)μg/L vs (11±4)μg/L, (12±4)μg/L vs (16±6)μg/L](P<0.05). Conclusion BMD decreases and the incidence of osteoporosis increases in old male patients with COPD; osteoporosis secondary to COPD is a high osteo-turnover type.
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