| Diagnosis of distal radioulnar joint subluxation in patients with rheumatoid wrist by computed tomography. | |
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MedLine Citation:
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PMID: 17694259 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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Subluxation of the distal radioulnar joint (DRUJ) is associated with extensor tendon rupture in patients with rheumatoid arthritis (RA). However, it remains difficult to quantitatively evaluate DRUJ subluxation in RA wrist. We devised a new method for assessing DRUJ subluxation. This study investigated whether the new method, known as the RA subluxation ratio (RASR), or a conventional method was superior for detecting extensor tendon rupture in the RA wrist. Thirty-five RA wrists and 10 wrists of healthy volunteers were scanned using computed tomography. The RA wrists were divided into a tendon rupture group and a nonrupture group. The dorsal surface of the distal radius from Lister's tubercle to the ulnar aspect of the distal radius maintains a planar surface in the RA wrist. Therefore, we defined the RASR as the extent of dorsal subluxation of the ulna relative to this plane. We quantified subluxation of the DRUJ by using the RASR or the modified radioulnar line method, and compared the two methods. The RASR was 0.440 in the rupture group, 0.333 in the nonrupture group, and 0.106 in the healthy volunteers. The RASR was significantly higher than the modified radioulnar line method in the sensitivity of diagnosing tendon rupture. |
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Authors:
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Shunichi Henmi; Kazuo Yonenobu; Shosuke Akita; Yusuke Kuroda; Kiyoshi Yoshida |
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Publication Detail:
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Type: Clinical Trial; Journal Article Date: 2007-08-20 |
Journal Detail:
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Title: Modern rheumatology / the Japan Rheumatism Association Volume: 17 ISSN: 1439-7595 ISO Abbreviation: Mod Rheumatol Publication Date: 2007 |
Date Detail:
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Created Date: 2007-08-13 Completed Date: 2007-10-23 Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 100959226 Medline TA: Mod Rheumatol Country: Japan |
Other Details:
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Languages: eng Pagination: 279-82 Citation Subset: IM |
Affiliation:
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Department of Orthopaedic Surgery, National Hospital Organization, Osaka Minami Medical Center, 2-1 Kidohigashi, Kawachinagano, Osaka, 586-8521, Japan. syunichi-henmi@hosp.ikeda.osaka.jp |
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| MeSH Terms | |
Descriptor/Qualifier:
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Adult Aged Aged, 80 and over Arthritis, Rheumatoid / complications* Dislocations / etiology, radiography* Female Humans Male Middle Aged Sensitivity and Specificity Tendon Injuries / radiography* Tomography, X-Ray Computed Wrist Joint / radiography* |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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