骨密度对骨质疏松性骨折的判断价值

目的研究骨密度对骨质疏松性骨折的判断价值。方法共3组研究对象,398例骨质疏松不伴有骨折的研究对象(A组),胸腰椎骨折患者(B组),骨密度正常的正常组进行研究。研究骨密度的一般情况、不同T值在各组的分配情况,骨质疏松性骨折与骨密度(BMD)的相关性。结果腰椎L2-L4、L2-L4和股颈的BMD值之间,T值人数分配之间,正常组、A组以及B组的差别具有统计学意义(P<0.05)。腰椎L1-L4、L2-L4和股颈的BMD以及总BMD的测定值均与骨质疏松性骨折相关。结论我们认为:本地区所收治的骨质疏松性骨折患者,全部应诊断判定为骨质疏松症。     

中老年男性不同部位骨密度和骨质疏松检出率的对比分析

目的探讨中老年男性在应用双能X线骨密度仪检测不同部位骨密度时应关注检测的部位。方法选取2012年9月至2014年12月在我院行双能骨密度检测的中老年男性,比较腰椎、髋部、前臂桡骨下1/3的骨密度(BMD)和T值。结果中老年男性腰椎、髋部、前臂桡骨下1/3三个部位的BMD和T值比较,P0.001差异有统计学意义。随着年龄逐渐增大,腰椎BMD和T值下降不明显,髋部、前臂BMD和T值60岁以后才逐渐降低,前臂T值下降幅度明显大于腰椎和髋部。随着年龄的增加,髋部及前臂骨质疏松检出率也逐渐增加,但腰椎骨质疏松检出率随年增加反而下降。结论应用双能X线骨密度仪检测腰椎、髋部、前臂3个部位,经比较发现老年男性髋部和前臂BMD和T值明显低于腰椎,而且腰椎BMD和T值相对平稳,提示对老年男性骨质疏松诊断应同时检测髋部和前臂骨密度,以免出现骨质疏松的漏诊。     

女性骨质疏松性骨折骨密度阈值及中国人群骨质疏松诊断标准探讨

目的研究河南地区女性骨质疏松性骨折骨密度阈值并进一步探讨中国人群骨质疏松诊断标准。方法收集465例女性骨质疏松性骨折患者的病历资料,对双能X线测定的骨密度值、T值、Z值进行统计分析。结果女性患者腰椎BMD值低于0.7955 g/cm2、T值低于-2.15、Z值低于-0.52时,骨折风险较高;髋部BMD值低于0.7270 g/cm2、T值低于-2.10、Z值低于-1.01时,骨折风险较高。结论对于骨密度低于上述阈值者,需高度警惕骨质疏松性骨折的发生,应采取积极有效的预防和治疗措施。WHO的骨质疏松诊断标准与中国人群的骨密度情况存在一定差异,因此,应展开全国范围的骨质疏松流行病学调查工作,健全中国人群骨密度数据库,为制定适合中国人群骨质疏松诊断标准提供流行病学依据。     

放射吸收法测量手指骨密度对于骨质疏松的诊断价值

目的 评价放射吸收法(radiographic absorptiometry, RA)测量指骨骨密度(bone mineral density, BMD)的准确性和对骨质疏松的诊断价值.方法 选取志愿者80例(男性30例,女性50例),分别用RA和双能X线骨密度仪(dual energy X-ray absorptiometry, DXA)测量非优势手的2、3、4指中节指骨BMD值和T值 (n=80),用DXA测量正位腰椎(n=77)、左侧近段股骨(股骨颈、股骨粗隆及全股骨)(n=78)的BMD值和T值.分别以DXA测量正位腰椎T值、左侧近段股骨T值、RA测量指骨T值进行骨质疏松诊断(T值≥-1.0SD为骨量正常,-2.5SD相似文献   

FDPS､LRP5基因多态性与绝经后妇女骨质疏松的关系

目的探讨FDPS、LRP5基因多态性与绝经后妇女骨质疏松的关系。方法在2017年6月至2019年8月期间,共纳入364名绝经后妇女,其中228名确诊为骨质疏松症(OP),为骨质疏松组,另136名骨质正常者为对照组。收集所有参与者的临床数据和血液样本,分别采用Taq Man荧光探针及限制性片段长度多态性(PCR-RELP)法对FDPS rs2297480、LRP5rs3736228位点进行基因分型,统计其与骨密度(BMD)和骨质疏松的关系。结果 FDPS rs2297480 TT基因型腰椎和全髋关节的BMD值明显较低,T等位基因的存在与骨质疏松症有显著相关性。LRP5 rs3736228携带CC基因型的股骨颈和全髋关节骨密度值较低。结论在绝经后的骨质疏松症妇女中,BMD和FDPS基因多态性之间有很强的相关性,与LRP5基因多态性之间存在较低的关连。     

骨密度结合Singh指数预测老年髋部骨折风险的意义

[目的]探讨骨密度值(BMD)结合Singh指数在预测髋部骨折风险的意义.[方法]观察组随机抽取老年髋部骨折50例,年龄60岁以上,其中男性13例,女性37例,股骨颈骨折29例,粗隆间骨折21例.对照组50例,年龄60岁以上,男11例,女39例.分别测量骨折组和对照组髋部骨密度(BMD),Singh指数,对比两组的测量结果.[结果]骨折组骨密度平均值(g/m2),股骨颈(0.64±0.13)、WardS三角(0.58±0.14)和转子处(0.69±0.11),对照组股骨颈(0.87±0.07)、WardS 三角(0.69±0.11)和转子处(0.75 ±0.14),组间差异显著.骨折组Sighn指数值3.34±1.05级,对照组Sighn指数值4.46±1.14级,组间差异显著.骨密度值与Sighn指数呈正相关.[结论]低骨密度值(BMD及Singh指数与骨质疏松髋部骨折有明显的相关性,二者结合应用可以更准确预测骨折.     

绝经后不同骨关节退行性疾病与骨质疏松程度的相关性研究

目的探讨绝经后女性不同骨关节退行性疾病的临床特点及与骨密度的关系,为防治绝经后骨关节退行性疾病提供依据。方法选取2013年9月至2016年3月在我院收治的959例绝经后女性患者,取腰椎和股骨颈处的最大的骨密度值及T值作为研究对象,按不同骨关节退行性疾病分为脆性骨折组、腰椎退行性病变组、膝骨关节炎组及无明显骨关节疾病对照组。采用SPSS 19.0软件进行统计学分析。结果 (1)各组间腰椎BMD值及T值的差异具有统计学意义(P0.05),其中腰椎退行性病变组患者的腰椎骨密度值和T值均比其他3组明显减低(P0.05),膝骨关节炎组骨密度值和T值均高于其他3组(P0.05);(2)各组间股骨颈BMD值及T值的差异具有统计学意义(P0.05),其中脆性骨折组患者的股骨颈骨密度值和T值均比其他3组明显减低(P0.05),膝骨关节炎组骨密度值和T值均高于其他3组(P0.05)。结论在绝经后女性患者中,脆性骨折与骨质疏松的关系最为密切,而其他骨关节疾病也在不同程度上与骨质疏松程度存在显著相关性,在治疗骨关节疾病的同时也要重视骨质疏松症的防治。     

腰椎多层螺旋CT容积扫描用于老年女性 骨质疏松症的价值及临床意义

目的探讨在腰椎多层螺旋CT容积(multi-detector CT volumetric helical,MDCT VH)扫描中添加骨密度检查内容诊断骨质疏松症的准确性及临床意义。方法选取进行腰椎检查的体检者80名(56-68岁老年女性),分别采用多层螺旋CT容积扫描与定量CT(quantitative CT,QCT)两种方法测算受检者L2-L4椎体骨密度(bone mineral density,BMD),按照2007国际临床骨测量学会(ISCD)制定的QCT骨质疏松症诊断标准对同组受检者诊断,采用SPSS19.0软件分析两组骨质疏松诊断结果:L2BMD值、L3 BMD值、L4 BMD值、平均BMD(mean BMD)值、T值、Z值进行一致性分析,对两者间出现的差异与可能影响因素如:年龄、体质指数、腹围、臀围、扫描层面夹角等进行相关性研究。结果两种测量方法测量反映骨质疏松程度的meanBMD值、T值、Z值均无明显差异(P0.05),且两法测量BMD值、T值相关性较高,BMD值的相关系数=0.975(P0.05),T值的相关系数=0.97(P0.05)。结论腰椎MDCT VH扫描骨密度测量具有诊断骨质疏松的效能,获取内容丰富,能间接减少患者辐射剂量、节约医疗成本,临床实用意义高,可尝试作为诊断骨质疏松的备选方案。     

814例绝经后女性初潮年龄、绝经年龄及月经维持年限与骨质疏松症相关性研究

目的调查了解广州市社区绝经后妇女的生理因素对骨质疏松症的患病率及骨密度(BMD)的影响,为围绝经期女性骨质疏松的预防提供进一步证据。方法采用现场问卷调查了解受试者的基本资料,美国双能X线骨密度仪测量1199例绝经后女性的腰椎正位和左髋部骨密度,以年龄分组进行分析。结果共纳入的814名绝经后妇女当中,腰椎发生骨质疏松症300例,发生率36.9%;髋部发生骨质疏松的312例,发生率38.3%。绝经年限10年内的妇女中,初潮年龄较晚的骨密度越低,发生骨质疏松的风险越高; 55～65岁的绝经后妇女中,绝经年龄较早的骨密度越低,骨质疏松发生的风险越高;月经维持的年限越短,骨密度越低,发生骨质疏松的风险越高。结论广州市社区中绝经后妇女的骨质疏松患病率较高,初潮年龄较晚、绝经年龄较早或月经维持年限较短的妇女骨质疏松的发病率明显升高,建议早筛查、早诊断、早治疗。髋部BMD值是评价骨质疏松症较为敏感的指标,应该首选髋部作为骨密度测量的部位。     

绝经前女性系统性红斑狼疮患者骨密度和骨代谢指标测定

目的 探讨绝经前女性系统性红斑狼疮(SLE)患者骨密度(BMD)和骨代谢指标的变化.方法 采用双能x线骨密度吸收仪(DEXA)测定178例绝经前女性SLE患者以及60例正常对照组的腰椎、股骨颈的骨密度以及T值,血钙、磷浓度,血清碱性磷酸酶(AKP)、血清骨钙素(BGP)、尿I型胶原交联氨基末端肽(NTX)水平,并将SLE组患者分为SLE初诊组与治疗组,分别对其数据进行统计分析.结果 SLE初诊组的腰椎BMD,股骨颈BMD及T值,血清AKP、尿NTX较正常对照组均无明显差异,而腰椎骨密度T值、血清BGP较正常对照组低(P＜O.05);SLE治疗组的腰椎BMD、T值和股骨颈1值,血清BGP低于正常对照组,但股骨颈BMD、血清AKP、尿NTX较正常对照组差异未达统计学意义;SLE治疗组的腰椎、股骨颈BMD与T值均显著低于SLE初诊组.SLE组的骨质疏松及骨量减少率分别为6.74%、16.85%.结论 绝经前SLE患者较同年龄正常女性易发生骨质疏松,血清BGP和腰椎骨密度可能较早反映骨质疏松的发生.     

骨质疏松症与甲状腺功能亢进的关系

目的 基于临床试验结合生物信息学分析骨质疏松症与甲亢的相互关系。方法 ①选取40例甲亢女性患者（观察组）及40例甲功正常女性（对照组）为研究对象,比较其T值及骨密度;②分别以骨质疏松及甲亢在相关人类疾病数据库中筛选靶基因,整合后映射得出交集靶点,通过STRING v11.0平台得出PPI网络并筛选出核心靶点,通过Metascape数据库进行GO富集分析及KEGG通路分析。结果 观察组的T值及骨密度均低于对照组（P<0.01）,骨质疏松与甲亢的核心交集靶点为IL6、TNF、INS、IL1B、ALB、IL10、LEP等,核心靶点集中作用于细胞因子-细胞因子受体的相互作用、Jak-STAT通路、I型糖尿病、HIF-1通路、PI3K-Akt通路、脂肪细胞因子通路等。结论 骨质疏松症与甲亢在复杂基因网络背景下存在一些高度重合的基因表达,所涉及的信号通路能够同时对两种疾病产生干预作用,这提示两种疾病的分子机制存在密切联系,可能为药物同时调控两种疾病提示潜在靶点。在临床试验的基础上应用生物信息学具有较高的置信度和参考价值,为探索疾病间关系提供了新方向与新思路。     

Complicated osteoporosis in progeroid syndrome: treatment with teriparatide

Human progeroid syndromes (PSs) include a group of genetic "premature aging" diseases that affect a variety of organ systems. Bone diseases are common sequelae of patients diagnosed with PSs. Teriparatide therapy is recommended for elderly men with low bone mineral density (BMD; T-score <-2.5) and at least 1 fragility fracture who are unable to tolerate bisphosphonates. We describe a 20-yr-old patient affected by PS and severe osteoporosis complicated with femoral fracture. The patient experienced a significant improvement in lumbar spine BMD after treatment with teriparatide.     

Risk factors of osteoporosis in institutionalized older Thai people

Introduction There are very few published studies on osteoporosis among the institutionalized elderly in Asian countries, where the incidence of osteoporosis is increasing rapidly. Our objectives were to determine both the prevalence and risk factors of osteoporosis, as assessed by calcaneal bone mineral density (BMD) measurements, in a Thai nursing home. Methods Activities of daily living, the Mini-Mental State Examination, blood chemistry, body composition analysis, calcaneal quantitative ultrasound (QUS) and serum C-terminal telopeptides of type I collagen (serum β-CTx) were assessed in 108 older people living in the largest nursing home for the elderly in Bangkok. Calcaneal BMD was measured by dual-energy X-ray absorptiometry (DXA). Results The prevalence of osteoporosis, as defined by a calcaneal BMD T-score <1.6, was 79.6%. The prevalence of low bone mass, as defined by a T-score of broadband ultrasound attenuation <1.0, was 80.6%. The prevalence of osteoporosis detected by these two methods was not significantly different (p=1.00). The prevalence of increased bone turnover [with the cutoff point being the mean + 2 standard deviation (SD) of the serum β-CTx level of a sex- and age-matched control group] was 13.9%. In multiple linear regression analysis, five risk factors – serum β-CTx, mental health, mobility index, height and lean body mass – were able to predict calcaneal BMD at a coefficient of determination R²) of 0.54. Conclusions These results indicate the importance of mental health and self-care ability as factors associated with osteoporosis. Increased bone turnover was also a significant risk factor of low bone mass. Calcaneal QUS was a useful screening tool for diagnosing osteoporosis in this population and was comparable to calcaneal DXA. The study was financially supported by funding from the Faculty of Medicine, Siriraj Hospital, Mahidol University.     

绝经后女性骨密度与维生素D和高密度脂蛋白水平相关性研究

目的探索绝经后妇女血清维生素D水平与高密度脂蛋白(high-density lipoprotein,HDL)和骨密度(bone mineral density,BMD)之间的关系。方法 2015年1月至2018年2月在我院病房及门诊就诊的244名绝经后妇女参加了这项横断面研究,她们都没有服用骨质疏松药物,也没有患任何慢性疾病。采用双能X射线吸收测定法用于评估髋部、股骨颈和腰椎(L_(1～4))的BMD。每个人根据世界卫生组织骨质疏松症标准在至少一个骨骼区域进行分类。在数据收集结束时,测量所有参与者的血脂谱和维生素D水平。维生素D血清水平低于30 ng/mL被定义为维生素D缺乏或不足。结果 27.9%的参与者表现出骨质疏松症。骨质疏松患者的HDL血清水平更高(P0.05)。参与者的低密度脂蛋白、总甘油三酯和总胆固醇水平差异无统计学意义(P0.05)。在未调整年龄、绝经年龄、肥胖和使用抗高血脂药物(他汀类药物)后,HDL水平与腰椎(1～4)、髋部和股骨颈的BMD值和T评分呈显著负相关(P0.05)。在根据维生素D水平对参与者进行分类以及调整混杂因素之后,仅在维生素D缺乏或不足的参与者中观察到HDL水平与三部位的BMD值以及T评分之间呈显著负相关(P0.05)。结论在维生素D缺乏的绝经后妇女中,血清HDL水平与骨骼状态呈负相关。     

Use of a Swedish T-score reference population for women causes a two-fold increase in the amount of postmenopausal Swedish patients that fulfill the WHO criteria for osteoporosis

The WHO criteria for osteoporosis are based on bone mineral density (BMD) values in comparison to a reference population of healthy young adults. The aim of this study was to create BMD references for ethnic Swedish women, and to investigate whether the use of these T-score measurements influence the amount of Swedish postmenopausal patients that are diagnosed as having osteoporosis. A bone density reference was created by measuring a population-based sample of 335 randomly selected Swedish women aged 20-39yr. BMD was measured by dual-energy X-ray absorptiometry (DXA) at the lumbar spine, proximal femur, and total body. These locally derived T-score values were subsequently used to diagnose a sample of 300 consecutive postmenopausal Swedish patients referred to the Uppsala Osteoporosis Unit. There was a slight age-dependent decrease in femoral neck BMD, whereas no age effect was seen at other sites such as total hip, lumbar spine, or total body. This suggests that the cohort represents the steady state BMD at the ages of expected peak bone mass in Swedish women. The correlation between BMD measures at different sites differed from r=0.55 (lumbar spine BMD vs femoral neck BMD [FNBMD]) to r=0.92 (total hip BMD vs FNBMD). Central DXA-generated T-scores were calculated from this cohort, and these were significantly higher (0.3-0.5 SD) as compared with manufacturers and NHANESIII reference populations. This indicates that young Swedish women have a higher peak bone mass than the subjects included in the reference populations currently used for clinical measurements. The T-score in total hip derived from the investigated cohort was subsequently used to diagnose 300 clinical patients (mean age 63yr) referred for a DXA scan by their physicians. The use of this locally established and ethnic representative, T-score reference increased the prevalence of osteoporosis in femoral neck and total hip with 53-106%. A Swedish female BMD reference representing peak bone mass has been established and the normative data are presented. Notably, this cohort has considerably higher BMD as compared to the NHANESIII and manufacturer's reference populations. The use of the present T-score reference therefore causes approximately a 2-fold increase in the amount of Swedish postmenopausal women that fulfill the WHO criteria for osteoporosis. This demonstrates the problems with using T-score as diagnostic threshold for osteoporosis and is an argument for future strategies to obtain standardized densitometric cut-offs, for example, mg/cm(2).     

Changes in bone mineral density (BMD): a longitudinal study of osteoporosis patients in the real-world setting

Summary

In clinical practice, the frequency of patients achieving improved T-scores and the expected change in bone mineral density (BMD) according to osteoporosis drugs is unknown. We found that osteoporosis medications infrequently achieve improved femoral neck T-scores over 1.2 years. BMD increases were more often seen with IV bisphosphonates and denosumab.

Purpose

To determine the frequency of osteoporosis patients achieving improvement in T-scores and quantify the change in bone mineral density (BMD) over time according to osteoporosis medication use.

Methods

The study included all patients receiving clinical care at United Osteoporosis Centers, Gainesville, GA, 1995–2015, who had at least two measures of femoral neck BMD (N?=?1232). We evaluated successive pairs of BMD tests to describe the distribution of transitions between T-score categories. Generalized estimating equations were used to estimate %BMD change between successive pairs of BMD tests according to osteoporosis medication, adjusted for age, sex, height, weight, baseline BMD, previous fracture, and follow-up time.

Results

Mean (±SD) age was 68 (±10) years, and 90% of patients were women. Mean baseline T-score was ??2.04 (±?0.85). In total, 1232 patients had 4918 pairs of successive BMD tests, with a mean 1.2 years (±?0.9) between assessments. Frequency of transition to an improved T-score category was 41% when prior T-score ≤???3.5, and 15% when prior T-score ??1.99 to ??1.50. Most individuals (69%) remained in the same T-score category. BMD increased 0.54% (95% CI 0.23–0.85%) with IV bisphosphonates and 1.23% (95% CI 0.56–1.90%) with denosumab, whereas no significant change was seen with oral bisphosphonates, teriparatide, or raloxifene.

Conclusions

Osteoporosis patients are unlikely to improve femoral neck T-scores over 1.2 years. Additional studies are needed to determine the optimal time to repeat BMD testing while receiving osteoporosis treatment and to determine whether fracture risk is reduced in patients who achieve target T-scores.

     

Prevalence of osteoporosis, osteopenia, and vertebral fractures in long-term renal transplant recipients

BACKGROUND: Osteopenia and osteoporosis are frequent complications early after transplantation. Their long-term prevalences and associations with the risk of fractures are not well known. The objective of the present work was to determine the incidence of osteopenia and osteoporosis versus vertebral fractures in renal transplant recipients with stable graft function and with a follow-up of at least 10 years. PATIENTS AND METHODS: Forty renal transplant recipients, 24 men and 16 women, were included in the study. The mean age was 41.8 years and the follow-up was 130 +/- 14 months. Initial immunosuppression consisted of cyclosporine with or without an antiproliferative agent. Measurements of bone mass density (BMD) were performed by dual-energy X-ray absorptiometry (DEXA). The assessment of vertebral fracture using conventional radiography was evaluated by semiquantitative criteria. RESULTS: Eleven patients (27.5%) displayed lumbar spine osteoporosis (T-score < -2.5); 21 (52.5%), osteopenia (T-score > -2.5 and < -1) and 8 (20.0%), normal BMD. However, BMD was better preserved at the femoral neck: 14 patients (35.0%) had normal BMD; 20 (50.0%) osteopenia, and 6 (15.0%), osteoporosis. When analyzed together, patients with osteoporosis or osteopenia showed worse graft function at 1 and 8 years compared with normal BMD patients (1.75 +/- 0.634 vs 1.32 +/- 0.33 mg/dL at 1 year; P < .014) and (1.7 +/- 0.4 vs 1.2 +/- 0.2 mg/dL at 5 years; P < .01) and a greater number were prescribed vitamin D (50% vs 23%). Mild vertebral fractures were observed in 60.0% patients with osteoporosis; 70% with osteopenia; and 43% with normal lumbar BMD. Peripheral fractures were more common in patients with osteoporosis (P = .053). CONCLUSIONS: Osteoporosis and osteopenia are common among long-term renal transplant recipients are associated with poorer graft function. Lumbar spine BMD osteoporosis is associated with peripheral fractures. However, mild vertebral deformities are not associated with the presence of osteopenia or osteoporosis.     

Utility of heel ultrasound bone density in men.

In women, heel ultrasound (US) bone mineral density (BMD) has been shown to predict fracture risk, but the usefulness of this screening tool in men is not known. We measured the heel quantitative ultrasound index (QUI( in a convenience sample 185 of men (136 Caucasian, 1 Asian, and 48 African-American) with an average age of 63 yr (range of 25-85) undergoing BMD of the spine and hip by dual X-ray absorptiometry (DXA) to determine whether the heel measurement could predict central BMD. The average DXA T-score was -0.97, -1.20, and -1.61 for the spine, total hip, and femoral neck, respectively. The mean heel US BMD T-score (using the only available T-score, which was defined for Caucasian postmenopausal women) was -0.92. There were significant correlations among the various DXA measurements and the heel US BMD T-score (r = 0.373-0.483, p < 0.001). We defined arbitrarily osteopenia as a spine, total hip, or femoral neck T-score by DXA of < -1.5. We also made two different arbitrary definitions of osteoporosis by DXA: < -2.0 and < -2.5. Using these numbers as disease definitions, we determined the specificity, sensitivity, as well as positive and negative predictive values of using the heel US T-score to predict osteopenia or osteoporosis. Using various cutoffs for the heel T-score, we found that increasing the cutoff toward 0 increased the sensitivity but lowered the specificity. No cutoff was found that provided both good sensitivity and specificity. By analyzing the men by ethnic and age groups, we found that the best set of receiver operating characteristic (ROC) curves was derived from data using heel US to predict osteopenia and osteoporosis in men younger than age 65, although the areas under the ROC curve were approx 0.8. In conclusion, despite a strong correlation between the heel QUI and the spine and hip BMD by DXA, no heel T-score could predict osteopenia or osteoporosis with satisfactory sensitivity and specificity. It is possible that the use of risk factor assessment plus heel QUI might have better predictive value, and further studies are needed to determine whether heel QUI or other US determination is an independent risk factor for fracture in men.     

Evaluation of calcaneal quantitative ultrasound in a primary care setting as a screening tool for osteoporosis in postmenopausal women.

Screening of osteoporosis by quantitative ultrasound (QUS) has become widely available in Europe, but no clear strategies for its clinical use have been established. The aim of this study was to validate the use of QUS in a cross-sectional study carried out in three primary care centers. Measurements of calcaneal QUS and bone mineral density (BMD) at proximal femur were obtained by dual-energy X-ray absorptiometry (DXA). Osteoporosis was diagnosed by DXA T-score 相似文献   

Increase in Bone Mineral Density after Successful Parathyroidectomy for Tertiary Hyperparathyroidism after Renal Transplantation

BACKGROUND: Few studies have reported changes of bone mineral density (BMD) after parathyroidectomy in patients with persistent hyperparathyroidism after renal transplantation (3 HPT). PATIENTS AND METHODS: We retrospectively analyzed 14 patients who underwent successful parathyroidectomy for 3 HPT and who had available BMD data before and after parathyroidectomy. RESULTS: Median follow-up time was 26 months (IQR: 16.8-40.2). Serum calcium levels decreased significantly after parathyroidectomy (2.32 +/- 0.09 versus 2.66 +/- 0.16 mmol/l; p < 0.01), as did PTH levels (5.1 +/- 3.0 versus 27.8 +/- 23.7 pmol/l; p < 0.01). Nine patients (64%) had a steroid-free immunosuppression at follow-up. Mean increase in BMD was 9.5 +/- 8.0% for the spine and 9.5 +/- 7.9% for the hip (p < 0.01 for both sites). Patients with osteoporosis (T-score 相似文献