目的分析亚洲人骨质疏松(osteporsis,OP)自我筛查工具(osteoporosis self-assessment tool for Asian,OSTA)指数与骨密度(bone mineral density,BMD)的相关性,并探讨跟骨定量超声(quantitative ultrasound,QUS)测定BMD对中老年男性OP的...目的分析亚洲人骨质疏松(osteporsis,OP)自我筛查工具(osteoporosis self-assessment tool for Asian,OSTA)指数与骨密度(bone mineral density,BMD)的相关性,并探讨跟骨定量超声(quantitative ultrasound,QUS)测定BMD对中老年男性OP的诊断价值。方法对893例45岁以上男性研究对象行QUS-BMD检查,记录跟骨QUS-BMD及QUS-T值,测量身高、体重,计算OSTA指数,其中255例研究对象同时行双能X线(dual-energy Xray absorptionmetry,DXA)BMD测定,按OSTA分层标准将受试者分为OP高、中、低风险组。比较各组间跟骨QUS-BMD、QUS-T以及各部位DXA-BMD的差异,分析OSTA指数与髋部、腰椎DXA-BMD的相关性。根据WHO的OP诊断金标准(骨质疏松:T值≤-2.5,骨量减少:-2.5<T值<-1,骨量正常:T值≥-1)将受试者分为OP组、骨量减少组和骨量正常组,评价跟骨QUS-T值对OP的诊断价值。结果 DXA-BMD测定者中,OP者71例(27.8%),骨量减少者143例(56.1%),骨量正常者41例(16.1%)。OSTA分层高、中、低不同OP风险组中,股骨颈、全髋和全腰椎BMD逐渐升高,高危组明显低于中危组和低危组(P<0.05),而中、低危组间的差异无统计学意义(P>0.05)。OP风险高、中、低危3组中OP患病例数分别为37例(48.7%)、17例(17.5%)和17例(20.7%),高危组中OP患病例数显著高于中、低危组(P<0.05)。Spearman相关分析示OSTA指数与股骨颈、全髋及全腰椎BMD呈显著正相关(P<0.05),相应的相关系数分别为0.448、0.439和0.141。跟骨QUS-BMD和QUS-T值在不同OP风险组间的差异无统计学意义(P>0.05)。跟骨QUS-T值诊断OP的曲线下面积为0.753,最佳截断值为-1.3,相应的灵敏度和特异度分别为77.5%和61.4%。结论随着OSTA指数升高,OP风险降低,股骨颈、全髋及全腰椎的BMD升高,OSTA指数与各部位DXA-BMD成线性正相关。OSTA指数和跟骨QUST值对诊断中老年男性OP症筛查具有一定的价值。展开更多
目的研究人股骨头主要承重区骨密度(Bone Mineral Density,BMD)与骨生物力学相关性;探讨双能X线骨密度仪(Dual Energy X-Ray Absorptiometry,DEXA)对股骨颈骨折治疗的临床参考价值。方法收集2002年11月至2004年12月收治的股骨颈骨折患...目的研究人股骨头主要承重区骨密度(Bone Mineral Density,BMD)与骨生物力学相关性;探讨双能X线骨密度仪(Dual Energy X-Ray Absorptiometry,DEXA)对股骨颈骨折治疗的临床参考价值。方法收集2002年11月至2004年12月收治的股骨颈骨折患者行假体置换术取下的股骨头共42例。采用双能X线骨密度仪(Dual Energy X-Ray Absorptiometry,DEXA)测量离体股骨头主要承重区BMD值;在股骨头主要承重区取柱状试件,行纵向压缩力学试验,记录极限应力、极限能量和弹性模量。利用SPSS12.0软件对数据进行正态分布检验后,采用双变量相关性分析法(Pearson相关分析法或Spearman相关分析法)判定BMD与极限应力、极限能量和弹性模量的相关性。结果(1)BMD测量值在0.39～1.05g/cm2之间,呈正态分布,为0.71±0.17g/cm2;(2)极限应力在2.09～23.49MPa范围之间,呈非正态分布,为9.69±6.36MPa;(3)极限能量在2.04～11.76J范围之间,呈非正态分布,为5.45±2.80J;(4)弹性模量在16.59～218.58MPa之间,呈非正态分布,为88.89±48.45MPa;(5)人股骨头主要承重区BMD与极限应力具有线性正相关性,rs=0.765,P<0.001;(6)人股骨头主要承重区BMD与极限能量具有线性正相关性,rs=0.717,P<0.001;(7)人股骨头主要承重区BMD与弹性模量具有线性正相关性,rs=0.669,P<0.001;结论BMD与极限应力、极限能量和弹性模量具有线性正相关性,通过测量股骨头的BMD可以初步预测骨的抗压强度和硬度。展开更多
Growth differentiation factor 11 （GDF11） is an important circulating factor that regulates aging. However, the role of GDF11 in bone metabolism remains unclear. The present study was undertaken to investigate the re...Growth differentiation factor 11 （GDF11） is an important circulating factor that regulates aging. However, the role of GDF11 in bone metabolism remains unclear. The present study was undertaken to investigate the relationship between serum GDF11 level, bone mass, and bone turnover markers in postmenopausal Chinese women. Serum GDF11 level, bone turnover biochemical markers, and bone mineral density （BMD） were determined in 169 postmenopausal Chinese women （47-78 years old）. GDF11 serum levels increased with aging. There were negative correlations between GDF11 and BMD at the various skeletal sites. After adjusting for age and body mass index （BMI）, the correlations remained statistically significant. In the multiple linear stepwise regression analysis, age or years since menopause, BMI, GDF11, and estradiol were independent predictors of BMD. A significant negative correlation between GDF11 and bone alkaline phosphatase （BAP） was identified and remained significant after adjusting for age and BMI. No significant correlation was noted between cross-linked N-telopeptides of type I collagen （NTX） and GDF11. In conclusion, GDF11 is an independent negative predictor of BMD and correlates with a biomarker of bone formation, BAP, in postmenopausal Chinese women. GDF11 potentially exerts a negative effect on bone mass by regulating bone formation.展开更多
Objective To understand the status of the forearm bone mineral density （BMD） in older adults, and to identify the potentialfactors influencing BMD. Methods A total of 1 214 older adults were examined, in Tianlin, Fe...Objective To understand the status of the forearm bone mineral density （BMD） in older adults, and to identify the potentialfactors influencing BMD. Methods A total of 1 214 older adults were examined, in Tianlin, Fenglin and Xietu sub-districts, of Xuhui district, Shanghai. BMD was tested at the left forearm, including distal radius and ulna 1/3 total, distal radius where the distance of radius and ulna is 8 mm, ultra-distal radius, by single energy X-ray densitometer. Results The BMD at all of the four sites decreased with the age increased. The average BMD was higher in male than in female for the same age and measured site. Distal radius 1/3 total had the highest BMD among the four sites. The incidence of low BMD and osteoporosis in distal forearm 1/3 radius total ascended with the age increased. Multiplied logistic regression showed that males had a lower risk to be low BMD （OR=0. 19） compared with female. Compared with the group aged from 50 to 54, the odds ratio in the group aged from 55 to 59, 60 to 64, and 65 to 70 were respectively 3.17, 5.13, 15.03. Compared with those whose monthly salary was less than 1 000, the odds ratio was O. 70 in those whose salary was more than 1 000. Conclusion The incidence of low BMD was high in older adults, and it is related with sex, age, monthly salary.展开更多
Objective To evaluate the bone mineral density (BMD) alteration of patients with nonfunctional pituitary adenoma in Chinese mainland and further to investigate the relevant factors of BMD changes. Methods 31 patients ...Objective To evaluate the bone mineral density (BMD) alteration of patients with nonfunctional pituitary adenoma in Chinese mainland and further to investigate the relevant factors of BMD changes. Methods 31 patients with nonfunctional adenoma and 255 healthy controls were enrolled in this study between December 2007 and May 2008.展开更多
目的探讨南宁地区壮族、汉族正常人群骨密度(bone mineral density,BMD)、峰值骨量(peak bone density,PBD)以及随增龄骨丢失率(rate of bone loss,RBL)的规律及临床意义。方法使用美国Hologic公司生产的双能X线吸收仪(dual energy X-ra...目的探讨南宁地区壮族、汉族正常人群骨密度(bone mineral density,BMD)、峰值骨量(peak bone density,PBD)以及随增龄骨丢失率(rate of bone loss,RBL)的规律及临床意义。方法使用美国Hologic公司生产的双能X线吸收仪(dual energy X-ray absorptiometry,DAX),对南宁地区壮族、汉族正常体检人群的20899名的腰椎L1~4、左股骨颈上段BMD进行测定,按检测不同部位、性别、年龄分组统计出PBD的均值±标准差和RBL(%)。参照WHO的规定,对≥50岁男性和绝经后女性与本数据库人群中同性别、同部位PBD比较,-2.5<T值<-1.0为骨量减少,T值≤-2.5为骨质疏松。结果 (1)各部位PBD出现在25~27岁,腰椎PBD男性为1.066±0.153,女性为1.025±0.095;左股骨颈上段PBD,男性为0.920±0.136,女性为0.796±0.132。(2)女性在47岁前BMD处于平台期,围绝经后BMD加速丢失,以腰椎尤为显著,年RBL在1.13%~2%;男性累计RBL随年龄逐渐上升,年丢失率约在0.21%~0.68%,但各年龄段左股骨颈上段的RBL始终高于腰椎。(3)以本地区人群数据库作为参照,男性骨质疏松检出率为腰椎3.1%,左股骨颈上段9.47%;女性腰椎48.8%,左股骨颈上段5.02%。结论南宁地区老年人发生骨质疏松性骨折风险女性明显高于男性,女性的腰椎、男性的股骨颈可能骨折风险更高。展开更多
目的初步评估单纯补肾健脾针刺法对老年男性原发性骨质疏松症的临床疗效。方法将60例首次确诊为原发性骨质疏松症的老年男性随机分为针刺组和假针刺组。针刺组选择双侧肾俞、脾俞、命门、足三里、关元穴和疼痛部位的阿是穴。假针刺组针...目的初步评估单纯补肾健脾针刺法对老年男性原发性骨质疏松症的临床疗效。方法将60例首次确诊为原发性骨质疏松症的老年男性随机分为针刺组和假针刺组。针刺组选择双侧肾俞、脾俞、命门、足三里、关元穴和疼痛部位的阿是穴。假针刺组针刺点为针刺组穴位旁开2寸处。手法进针,留针30 min,每周2次,3个月为一个疗程。评估指标为治疗前后两组患者的VAS疼痛评分、中医证候改善情况及两组患者腰椎及左侧股骨颈的骨密度(bone mineral density,BMD)值。结果经过3个月的治疗,针刺组的VAS疼痛评分较治疗前显著降低(t=16.307,P<0.01),而假针刺组并没有发生大的变化(P>0.05);治疗后,两组间的VAS疼痛评分差异有统计学意义(P<0.01)。治疗后,针刺组的中医证候改善的总有效率明显高于假针刺组(χ~2=33.61,P<0.05)。治疗后,针刺组的腰椎及左侧股骨颈BMD值较治疗前有提高趋势,但这种差异并没有统计学意义(P>0.05);而假针刺组腰椎及左侧股骨颈的BMD值较治疗前并没有发生大的变化(P>0.05)。结论短疗程的单纯补肾健脾针刺法可以改善老年男性原发性骨质疏松症患者的疼痛症状和中医证候,并且这种临床症状的改善要早于骨密度的改善。展开更多
文摘目的研究人股骨头主要承重区骨密度(Bone Mineral Density,BMD)与骨生物力学相关性;探讨双能X线骨密度仪(Dual Energy X-Ray Absorptiometry,DEXA)对股骨颈骨折治疗的临床参考价值。方法收集2002年11月至2004年12月收治的股骨颈骨折患者行假体置换术取下的股骨头共42例。采用双能X线骨密度仪(Dual Energy X-Ray Absorptiometry,DEXA)测量离体股骨头主要承重区BMD值;在股骨头主要承重区取柱状试件,行纵向压缩力学试验,记录极限应力、极限能量和弹性模量。利用SPSS12.0软件对数据进行正态分布检验后,采用双变量相关性分析法(Pearson相关分析法或Spearman相关分析法)判定BMD与极限应力、极限能量和弹性模量的相关性。结果(1)BMD测量值在0.39～1.05g/cm2之间,呈正态分布,为0.71±0.17g/cm2;(2)极限应力在2.09～23.49MPa范围之间,呈非正态分布,为9.69±6.36MPa;(3)极限能量在2.04～11.76J范围之间,呈非正态分布,为5.45±2.80J;(4)弹性模量在16.59～218.58MPa之间,呈非正态分布,为88.89±48.45MPa;(5)人股骨头主要承重区BMD与极限应力具有线性正相关性,rs=0.765,P<0.001;(6)人股骨头主要承重区BMD与极限能量具有线性正相关性,rs=0.717,P<0.001;(7)人股骨头主要承重区BMD与弹性模量具有线性正相关性,rs=0.669,P<0.001;结论BMD与极限应力、极限能量和弹性模量具有线性正相关性,通过测量股骨头的BMD可以初步预测骨的抗压强度和硬度。
基金supported by Grant 81570806 from the National Natural Science Foundation of China
文摘Growth differentiation factor 11 （GDF11） is an important circulating factor that regulates aging. However, the role of GDF11 in bone metabolism remains unclear. The present study was undertaken to investigate the relationship between serum GDF11 level, bone mass, and bone turnover markers in postmenopausal Chinese women. Serum GDF11 level, bone turnover biochemical markers, and bone mineral density （BMD） were determined in 169 postmenopausal Chinese women （47-78 years old）. GDF11 serum levels increased with aging. There were negative correlations between GDF11 and BMD at the various skeletal sites. After adjusting for age and body mass index （BMI）, the correlations remained statistically significant. In the multiple linear stepwise regression analysis, age or years since menopause, BMI, GDF11, and estradiol were independent predictors of BMD. A significant negative correlation between GDF11 and bone alkaline phosphatase （BAP） was identified and remained significant after adjusting for age and BMI. No significant correlation was noted between cross-linked N-telopeptides of type I collagen （NTX） and GDF11. In conclusion, GDF11 is an independent negative predictor of BMD and correlates with a biomarker of bone formation, BAP, in postmenopausal Chinese women. GDF11 potentially exerts a negative effect on bone mass by regulating bone formation.
文摘Objective To understand the status of the forearm bone mineral density （BMD） in older adults, and to identify the potentialfactors influencing BMD. Methods A total of 1 214 older adults were examined, in Tianlin, Fenglin and Xietu sub-districts, of Xuhui district, Shanghai. BMD was tested at the left forearm, including distal radius and ulna 1/3 total, distal radius where the distance of radius and ulna is 8 mm, ultra-distal radius, by single energy X-ray densitometer. Results The BMD at all of the four sites decreased with the age increased. The average BMD was higher in male than in female for the same age and measured site. Distal radius 1/3 total had the highest BMD among the four sites. The incidence of low BMD and osteoporosis in distal forearm 1/3 radius total ascended with the age increased. Multiplied logistic regression showed that males had a lower risk to be low BMD （OR=0. 19） compared with female. Compared with the group aged from 50 to 54, the odds ratio in the group aged from 55 to 59, 60 to 64, and 65 to 70 were respectively 3.17, 5.13, 15.03. Compared with those whose monthly salary was less than 1 000, the odds ratio was O. 70 in those whose salary was more than 1 000. Conclusion The incidence of low BMD was high in older adults, and it is related with sex, age, monthly salary.
文摘Objective To evaluate the bone mineral density (BMD) alteration of patients with nonfunctional pituitary adenoma in Chinese mainland and further to investigate the relevant factors of BMD changes. Methods 31 patients with nonfunctional adenoma and 255 healthy controls were enrolled in this study between December 2007 and May 2008.
文摘目的探讨南宁地区壮族、汉族正常人群骨密度(bone mineral density,BMD)、峰值骨量(peak bone density,PBD)以及随增龄骨丢失率(rate of bone loss,RBL)的规律及临床意义。方法使用美国Hologic公司生产的双能X线吸收仪(dual energy X-ray absorptiometry,DAX),对南宁地区壮族、汉族正常体检人群的20899名的腰椎L1~4、左股骨颈上段BMD进行测定,按检测不同部位、性别、年龄分组统计出PBD的均值±标准差和RBL(%)。参照WHO的规定,对≥50岁男性和绝经后女性与本数据库人群中同性别、同部位PBD比较,-2.5<T值<-1.0为骨量减少,T值≤-2.5为骨质疏松。结果 (1)各部位PBD出现在25~27岁,腰椎PBD男性为1.066±0.153,女性为1.025±0.095;左股骨颈上段PBD,男性为0.920±0.136,女性为0.796±0.132。(2)女性在47岁前BMD处于平台期,围绝经后BMD加速丢失,以腰椎尤为显著,年RBL在1.13%~2%;男性累计RBL随年龄逐渐上升,年丢失率约在0.21%~0.68%,但各年龄段左股骨颈上段的RBL始终高于腰椎。(3)以本地区人群数据库作为参照,男性骨质疏松检出率为腰椎3.1%,左股骨颈上段9.47%;女性腰椎48.8%,左股骨颈上段5.02%。结论南宁地区老年人发生骨质疏松性骨折风险女性明显高于男性,女性的腰椎、男性的股骨颈可能骨折风险更高。
文摘目的初步评估单纯补肾健脾针刺法对老年男性原发性骨质疏松症的临床疗效。方法将60例首次确诊为原发性骨质疏松症的老年男性随机分为针刺组和假针刺组。针刺组选择双侧肾俞、脾俞、命门、足三里、关元穴和疼痛部位的阿是穴。假针刺组针刺点为针刺组穴位旁开2寸处。手法进针,留针30 min,每周2次,3个月为一个疗程。评估指标为治疗前后两组患者的VAS疼痛评分、中医证候改善情况及两组患者腰椎及左侧股骨颈的骨密度(bone mineral density,BMD)值。结果经过3个月的治疗,针刺组的VAS疼痛评分较治疗前显著降低(t=16.307,P<0.01),而假针刺组并没有发生大的变化(P>0.05);治疗后,两组间的VAS疼痛评分差异有统计学意义(P<0.01)。治疗后,针刺组的中医证候改善的总有效率明显高于假针刺组(χ~2=33.61,P<0.05)。治疗后,针刺组的腰椎及左侧股骨颈BMD值较治疗前有提高趋势,但这种差异并没有统计学意义(P>0.05);而假针刺组腰椎及左侧股骨颈的BMD值较治疗前并没有发生大的变化(P>0.05)。结论短疗程的单纯补肾健脾针刺法可以改善老年男性原发性骨质疏松症患者的疼痛症状和中医证候,并且这种临床症状的改善要早于骨密度的改善。
