Ann Rheum Dis:骨软骨界面的水平裂隙:肥胖相关性骨关节炎的新型病理特征

2020-04-14 xiangting MedSci原创

肥胖OA患者的关键病理特征是骨软骨界面的水平裂隙。肥胖与初次TKR的年轻化密切相关,这可能是水平裂隙引起的。

肥胖是公认的骨关节炎(OA)危险因素。这项研究目的是表征骨软骨中与体重指数(BMI)相关的病理变化,并确定肥胖是否是OA患者早期关节置换的主要原因。

研究人员分析了澳大利亚骨科协会国家关节置换登记41023名患者的BMI与接受全膝关节置换(TKR)时年龄之间的相关性。然后分析了登记的一个代表性子集中,BMI对膝关节胫骨平台病理变化的影响。

在澳大利亚,57.58%的TKR患者患有肥胖。超重、I级和II级肥胖或III级肥胖患者分别比体重正常患者早1.89、4.48和8.08年进行TKR。显微镜检查显示,骨软骨界面的水平裂隙是肥胖相关性OA的主要病理特征。水平裂隙的发生率与BMI升高密切相关。BMI每增加1单位(1kg/m2),水平裂隙的几率增加14.7%。84.4%的水平裂隙归因于肥胖。软骨退化的降低和软骨下骨微结构的改变也与BMI升高有关。

肥胖OA患者的关键病理特征是骨软骨界面的水平裂隙。肥胖与初次TKR的年轻化密切相关,这可能是水平裂隙引起的。

原始出处:

Lianzhi Chen. Horizontal fissuring at the osteochondral interface: a novel and unique pathological feature in patients with obesity-related osteoarthritis. Ann Rheum Dis. April 2020.

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    2020-11-06 lisa438
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    2020-04-16 lmm397

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