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- 文献标题：
- Prevalence of pathologic findings in asymptomatic knees of marathon runners before and after a competition in comparison with physically active subjects-a 3.0 T magnetic resonance imaging study.
- 参考中文标题：
- 流行病理结果无症状膝盖的马拉松选手之前和之后的竞争相比，身体的活动主题， 3.0 Ť磁共振成像研究。
- 文献摘要：
- PURPOSE: To determine the prevalence of pathologic findings in asymptomatic knees of marathon runners before and after a competition in comparison with physically active subjects. To compare the diagnostic performance of cartilage-dedicated magnetic resonance imaging (MRI) sequences at 3.0 T. MATERIALS AND METHODS: Ten marathon runners underwent 3.0 T MRI 2-3 days before and after competition. Twelve physically active asymptomatic subjects not performing long-distance running were examined as controls. Pathologic condition was assessed with the whole-organ magnetic resonance imaging score (WORMS). Cartilage abnormalities and bone marrow edema pattern (BMEP) were quantified. Visualization of cartilage pathology was assessed with intermediate-weighted fast spin-echo (IM-w FSE), fast imaging employing steady-state acquisition (FIESTA) and T1-weighted three-dimensional (3D) high-spatial-resolution volumetric fat-suppressed spoiled gradient-echo (SPGR) MRI sequences. RESULTS: Eight of ten marathon runners and 7/12 controls showed knee abnormality. Slightly more and larger cartilage abnormalities, and BMEP, in marathon runners yielded higher but not significantly different WORMS (P > 0.05) than in controls. Running a single marathon did not alter MR findings substantially. Cartilage abnormalities were best visualized with IM-w FSE images (P < 0.05). CONCLUSION: A high prevalence of knee abnormalities was found in marathon runners and also in active subjects participating in other recreational sports. IM-w FSE sequences delineated more cartilage MR imaging abnormalities than did FIESTA and SPGR sequences.
- 参考中文摘要：
- 目的：确定的流行病理结果无症状膝盖的马拉松选手之前和之后的竞争相比，身体的活动主题。比较诊断性能的软骨专用磁共振成像（ MRI ）序列为3.0吨材料与方法： 10名马拉松运动员进行3.0 Ť磁共振2-3天之前和之后的竞争。 12个科目的体力活动，无症状不理想长跑检查对照。病理状态的评估与整个器官磁共振成像评分（蠕虫） 。软骨畸形和骨髓水肿模式（ BMEP ）的量化。可视化软骨病理学评估中间加权快速自旋回波（即时通讯钨法兰克福） ，快速成像采用稳态采集（嘉年华）和T1加权三个三维（ 3D ）高空间分辨率的体积脂肪抑制破坏性梯度回波（梯度回波同）磁共振成像序列。结果：有8个10马拉松选手和7月12日控制显示膝关节畸形。稍微大软骨异常， BMEP ，在马拉松运动员取得较高，但无显着差异蠕虫（ P “ 0.05 ）比对照。运行一个单一的马拉松比赛并没有改变的MR表现大大。软骨异常最佳可视化与通讯钨序列图像（ P “ 0.05 ） 。结论：高患病率膝关节畸形中发现马拉松选手，还积极参加其他科目休闲运动。即时通讯钨自旋回波序列划定更多的软骨磁共振成像异常比Fiesta和梯度回波同序列。
- 文献作者：
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- 作者单位：
- Musculoskeletal and Quantitative Imaging Group, Department of Radiology, University of California, San Francisco, 185 Berry Street, Suite 350, San Francisco, CA 94107-0946, USA. Robert.Stahl@radiology.ucsf.edu
- 文献来源：
- Skeletal radiology. 37(7):627-38, 2008 Jul.
- NLM刊名：
- Skeletal radiology 浏览此刊所有文献
- 出版国家：
- Germany
- 所用语言：
- eng
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- PMID及链接：
- 18463868 http://www.syyxw.com/Archive/Detail/18463868
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