Postmenopausal osteoporosis is a kind of degenerative disease,also described as“invisible killer.”Estrogen is generally considered as the key hormone for women to maintain bone mineral content during their lives.Iro...Postmenopausal osteoporosis is a kind of degenerative disease,also described as“invisible killer.”Estrogen is generally considered as the key hormone for women to maintain bone mineral content during their lives.Iron accumulation refers to a state of human serum ferritin that is higher than the normal value but less than 1000μg/L.It has been found that iron accumulation and osteoporosis could occur simultaneously with the decrease in estrogen level after menopause.In recent years,many studies indicated that iron accumulation plays a vital role in postmenopausal osteoporosis,and a significant correlation has been found between iron accumulation and fragility fractures.In this review,we summarize and analyze the relevant literature including randomized controlled trials,systematic reviews,and meta-analyses between January 1996 and July 2022.We investigate the mechanism of the effect of iron accumulation on bone metabolism and discuss the relationship of iron accumulation,osteoporosis,and postmenopausal fragility fractures,as well as the main clinical treatment strategies.We conclude that it is necessary to pay attention to the phenomenon of iron accumulation in postmenopausal women with osteoporosis and explore the in-depth mechanism of abnormal bone metabolism caused by iron accumulation,in order to facilitate the discovery of effective therapeutic targets for postmenopausal osteoporosis.展开更多
背景:基于主题文献的计量学和可视化分析对了解绝经后骨质疏松症研究基础与前沿尤为重要。目的:对近20年绝经后骨质疏松研究的高被引SCI论文进行文献计量、引证和可视化分析。方法:对Web of Science(WoS)中SCI-EXPANDED收录的2003-2022...背景:基于主题文献的计量学和可视化分析对了解绝经后骨质疏松症研究基础与前沿尤为重要。目的:对近20年绝经后骨质疏松研究的高被引SCI论文进行文献计量、引证和可视化分析。方法:对Web of Science(WoS)中SCI-EXPANDED收录的2003-2022年发表的前100篇高被引绝经后骨质疏松研究论文进行文献计量,用CiteSpace软件进行可视化分析。结果与结论:前100篇高被引论文在WoS核心合集中总被引量为67377次,每篇论文的年平均引用量为49.17次。绝经后骨质疏松研究主要涉及医学、工程技术、生物学和多学科等领域,小类学科则以内分泌学与代谢、医学:内科为主。国际上形成了稳定密切的核心合作网络关系,美国、加利福尼亚大学系统、Cummings,Steven R分别是高被引论文发文最多的国家、科研机构和作者。绝经后骨质疏松研究前沿主要涉及了钙剂、维生素D的补充治疗与骨折风险,双膦酸盐类药物治疗绝经后骨质疏松的临床研究,非典型股骨骨折,绝经后骨质疏松的新药临床研究与序贯治疗,骨折风险的预测指标,骨质疏松性椎体压缩骨折的中长期随访,基因多态性和遗传因素,绝经后骨质疏松临床实践指南的制定和更新等方面。大型的队列研究、高质量随机对照试验、系统综述和荟萃分析、临床实践指南是推动绝经后骨质疏松临床研究发展的巨大引擎。中国应在上述研究领域加大投入,以提高国际影响力。展开更多
目的在不使用骨密度的情况下探讨无锡地区相对健康绝经后女性最佳FRAX^(■)干预阈值,旨在不浪费过多资源的前提下有效地识别出患有骨质疏松症(osteoporosis,OP)的潜在人群。方法将在作者医院随机招募的符合纳排标准的124名50岁以上健康...目的在不使用骨密度的情况下探讨无锡地区相对健康绝经后女性最佳FRAX^(■)干预阈值,旨在不浪费过多资源的前提下有效地识别出患有骨质疏松症(osteoporosis,OP)的潜在人群。方法将在作者医院随机招募的符合纳排标准的124名50岁以上健康绝经后女性作为研究对象,以65岁为分界年龄分为50~65岁组(n=86)和>65岁组(n=38)。收集受试者年龄、体质量指数(body mass index,BMI)、既往骨质疏松性骨折史、慢性病史等个人信息。使用FRAX^(■)软件得出受试者髋部骨折的概率(probability of hip fractures,PHF)、主要骨质疏松性骨折概率(probability of major osteoporotic fractures,PMOF),以骨密度T值是否小于-2.5为状态变量,不输入骨密度T值的PHF、PMOF为检验变量,运用受试者工作特征(receiver operating characteristic,ROC)曲线及曲线下面积(area under the curve,AUC)分析其临床筛选OP的效能,确定无锡地区相对健康绝经后中老年女性最佳干预阈值。结果50~65岁组OP患者39人(45.35%),>65岁组OP患者23人(60.53%)。ROC曲线分析结果显示,50~65岁组PHF AUC为0.771,灵敏度为0.718,特异度为0.681,最佳阈值为0.7%;PMOF AUC为0.748,灵敏度为0.667,特异度为0.723,最佳阈值为3.4%。>65岁组受试者PHF AUC为0.554,灵敏度为0.783,特异度为0.400;PMOF AUC为0.546,灵敏度为0.826,特异度为0.400,>65岁组PHF、PMOFAUC接近0.5,说明预测的准确性较低。按照《原发性骨质疏松症诊疗指南》推荐PHF、PMOF阈值划分骨折风险,50~65岁组全为骨折低风险人群,>65岁组30人为低风险、8人为高风险人群,此结果低估了本研究患者的骨折风险。结论推荐PHF为0.7%、PMOF为3.4%为无锡地区50~65岁健康绝经后女性FRAX^(■)干预阈值,大于该阈值者建议进行骨密度检测,适当给予治疗措施;对于无锡地区65岁以上健康绝经后女性建议直接进行骨密度检测。展开更多
基金Outstanding Youth Science Fund Project of the First Affiliated Hospital of Bengbu Medical College(No.2021byyfyyq04),China.
文摘Postmenopausal osteoporosis is a kind of degenerative disease,also described as“invisible killer.”Estrogen is generally considered as the key hormone for women to maintain bone mineral content during their lives.Iron accumulation refers to a state of human serum ferritin that is higher than the normal value but less than 1000μg/L.It has been found that iron accumulation and osteoporosis could occur simultaneously with the decrease in estrogen level after menopause.In recent years,many studies indicated that iron accumulation plays a vital role in postmenopausal osteoporosis,and a significant correlation has been found between iron accumulation and fragility fractures.In this review,we summarize and analyze the relevant literature including randomized controlled trials,systematic reviews,and meta-analyses between January 1996 and July 2022.We investigate the mechanism of the effect of iron accumulation on bone metabolism and discuss the relationship of iron accumulation,osteoporosis,and postmenopausal fragility fractures,as well as the main clinical treatment strategies.We conclude that it is necessary to pay attention to the phenomenon of iron accumulation in postmenopausal women with osteoporosis and explore the in-depth mechanism of abnormal bone metabolism caused by iron accumulation,in order to facilitate the discovery of effective therapeutic targets for postmenopausal osteoporosis.
文摘背景:基于主题文献的计量学和可视化分析对了解绝经后骨质疏松症研究基础与前沿尤为重要。目的:对近20年绝经后骨质疏松研究的高被引SCI论文进行文献计量、引证和可视化分析。方法:对Web of Science(WoS)中SCI-EXPANDED收录的2003-2022年发表的前100篇高被引绝经后骨质疏松研究论文进行文献计量,用CiteSpace软件进行可视化分析。结果与结论:前100篇高被引论文在WoS核心合集中总被引量为67377次,每篇论文的年平均引用量为49.17次。绝经后骨质疏松研究主要涉及医学、工程技术、生物学和多学科等领域,小类学科则以内分泌学与代谢、医学:内科为主。国际上形成了稳定密切的核心合作网络关系,美国、加利福尼亚大学系统、Cummings,Steven R分别是高被引论文发文最多的国家、科研机构和作者。绝经后骨质疏松研究前沿主要涉及了钙剂、维生素D的补充治疗与骨折风险,双膦酸盐类药物治疗绝经后骨质疏松的临床研究,非典型股骨骨折,绝经后骨质疏松的新药临床研究与序贯治疗,骨折风险的预测指标,骨质疏松性椎体压缩骨折的中长期随访,基因多态性和遗传因素,绝经后骨质疏松临床实践指南的制定和更新等方面。大型的队列研究、高质量随机对照试验、系统综述和荟萃分析、临床实践指南是推动绝经后骨质疏松临床研究发展的巨大引擎。中国应在上述研究领域加大投入,以提高国际影响力。
文摘目的在不使用骨密度的情况下探讨无锡地区相对健康绝经后女性最佳FRAX^(■)干预阈值,旨在不浪费过多资源的前提下有效地识别出患有骨质疏松症(osteoporosis,OP)的潜在人群。方法将在作者医院随机招募的符合纳排标准的124名50岁以上健康绝经后女性作为研究对象,以65岁为分界年龄分为50~65岁组(n=86)和>65岁组(n=38)。收集受试者年龄、体质量指数(body mass index,BMI)、既往骨质疏松性骨折史、慢性病史等个人信息。使用FRAX^(■)软件得出受试者髋部骨折的概率(probability of hip fractures,PHF)、主要骨质疏松性骨折概率(probability of major osteoporotic fractures,PMOF),以骨密度T值是否小于-2.5为状态变量,不输入骨密度T值的PHF、PMOF为检验变量,运用受试者工作特征(receiver operating characteristic,ROC)曲线及曲线下面积(area under the curve,AUC)分析其临床筛选OP的效能,确定无锡地区相对健康绝经后中老年女性最佳干预阈值。结果50~65岁组OP患者39人(45.35%),>65岁组OP患者23人(60.53%)。ROC曲线分析结果显示,50~65岁组PHF AUC为0.771,灵敏度为0.718,特异度为0.681,最佳阈值为0.7%;PMOF AUC为0.748,灵敏度为0.667,特异度为0.723,最佳阈值为3.4%。>65岁组受试者PHF AUC为0.554,灵敏度为0.783,特异度为0.400;PMOF AUC为0.546,灵敏度为0.826,特异度为0.400,>65岁组PHF、PMOFAUC接近0.5,说明预测的准确性较低。按照《原发性骨质疏松症诊疗指南》推荐PHF、PMOF阈值划分骨折风险,50~65岁组全为骨折低风险人群,>65岁组30人为低风险、8人为高风险人群,此结果低估了本研究患者的骨折风险。结论推荐PHF为0.7%、PMOF为3.4%为无锡地区50~65岁健康绝经后女性FRAX^(■)干预阈值,大于该阈值者建议进行骨密度检测,适当给予治疗措施;对于无锡地区65岁以上健康绝经后女性建议直接进行骨密度检测。