Popliteal cysts and subgastrocnemius bursitis are associated with knee symptoms and structural abnormalities in older adults: a cross-sectional study.
Popliteal cysts and subgastrocnemius bursitis are associated with knee symptoms and structural abnormalities in older adults: a cross-sectional study.
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腘窝囊肿和腓肠肌下滑囊炎与老年人的膝盖症状和结构异常相关：一项横断面研究
DOI：
10.1186/ar4496
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发表时间：
2014-03-03
影响因子：
4.9
通讯作者：
Ding C
中科院分区：
文献类型：
--
作者：
Cao Y;Jones G;Han W;Antony B;Wang X;Cicuttini F;Ding C
腘动脉囊肿和腓肠肌下滑囊炎在膝关节内环境稳定中的作用尚不确定。本研究的目的是描述的横断面协会之间的腘囊肿，腓肠肌下滑囊炎，膝关节症状和结构异常的老年adultes.MethodsA横截面样本900随机选择的主题（平均年龄63岁，48%的女性）进行了研究。膝关节疼痛、僵硬和功能障碍通过自我管理的西安大略麦克马斯特骨关节炎指数（WOMAC）问卷进行评估。记录X线片膝关节骨赘和关节间隙狭窄（JSN）。磁共振成像（MRI）被用来评估腘囊肿，腓肠肌下滑囊炎，软骨缺损和骨髓病变（BMLs.Results腘囊肿存在于11.7%和腓肠肌下滑囊炎在12.7%的受试者。腓肠肌下滑囊炎在腘动脉囊肿组中更常见（36.2%vs9.7%，P <0.01）。在多变量分析中，腘囊肿与内侧和外侧胫股间室骨赘增加显著相关，而腓肠肌下滑囊炎与内侧胫股间室骨赘和JSN增加相关。两者均与所有间室的软骨缺损以及内侧胫股间室的BML显著相关。此外，腘囊肿和腓肠肌下滑囊炎显着相关增加负重膝关节疼痛，但这些协会成为非显着调整后软骨缺损和BMLs.Conclusions腘囊肿和腓肠肌下滑囊炎与增加的症状，以及影像学和MRI检测的关节结构异常。纵向数据将有助于解决它们是膝关节异常的后果还是原因。
IntroductionThe role of popliteal cysts and subgastrocnemius bursitis in knee joint homeostasis is uncertain. The aim of this study is to describe cross-sectional associations between popliteal cysts, subgastrocnemius bursitis, knee symptoms and structural abnormalities in older adults.MethodsA cross-sectional sample of 900 randomly-selected subjects (mean age 63 years, 48% female) were studied. Knee pain, stiffness and dysfunction were assessed by self-administered Western Ontario McMaster Osteoarthritis Index (WOMAC) questionnaire. Radiographic knee osteophyte and joint space narrowing (JSN) were recorded. Magnetic resonance imaging (MRI) was utilized to assess popliteal cysts, subgastrocnemius bursitis, cartilage defects and bone marrow lesions (BMLs).ResultsPopliteal cysts were present in 11.7% and subgastrocnemius bursitis in 12.7% of subjects. Subgastrocnemius bursitis was more common in those with popliteal cyst (36.2% versus 9.7%,P<0.01). In multivariable analyses, popliteal cysts were significantly associated with increased osteophytes in both medial and lateral tibiofemoral compartments while subgastrocnemius bursitis was associated with increased osteophytes and JSN in the medial tibiofemoral compartment. Both were significantly associated with cartilage defects in all compartments, and with BMLs in the medial tibiofemoral compartment. Furthermore, both popliteal cysts and subgastrocnemius bursitis were significantly associated with increased weight-bearing knee pain but these associations became non-significant after adjustment for cartilage defects and BMLs.ConclusionsPopliteal cysts and subgastrocnemius bursitis are associated with increased symptoms as well as radiographic and MRI-detected joint structural abnormalities. Longitudinal data will help resolve if they are a consequence or a cause of knee joint abnormalities.
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