| Improved accuracy of glenoid positioning in total shoulder arthroplasty with intraoperative navigation: a prospective-randomized clinical study. | |
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MedLine Citation:
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PMID: 19559369 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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HYPOTHESIS: The correct implantation of the glenoid component is of paramount importance in total shoulder arthroplasty (TSA). We hypothesized that the accuracy of the glenoid positioning in the transverse plane can be improved using intraoperative navigation. MATERIALS AND METHODS: This prospective, randomized clinical study comprised 2 groups of 10 patients each with osteoarthritis of the shoulder TSA, with or without intraoperative navigation. Glenoid version was measured on axial computed tomography scans preoperatively and 6 weeks postoperatively. RESULTS: The operating time was significantly longer in the navigation group (169.5 +/- 15.2 vs 138 +/- 18.4 min). We found an average change of retroversion from 15.4 degrees +/- 5.8 degrees (range, 3.0 degrees -24.0 degrees) preoperatively to 3.7 degrees +/- 6.3 degrees (range, -8.0 degrees to 15.0 degrees) postoperatively in the navigation group compared with 14.4 degrees +/- 6.1 degrees (range, 2.0 degrees -24.0 degrees) preoperatively to 10.9 degrees +/- 6.8 degrees (range, 0.0 degrees -19.0 degrees) postoperatively in the group without navigation (P = .021). CONCLUSION: We found an improved accuracy in glenoid positioning in the transverse plane using intraoperative navigation. The validity of the study is limited by the small number, which advocates continuation with more patients and longer follow-up. LEVEL OF EVIDENCE: Level 2; Therapeutic study. |
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Authors:
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Jörn Kircher; Markus Wiedemann; Petra Magosch; Sven Lichtenberg; Peter Habermeyer |
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Publication Detail:
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Type: Comparative Study; Journal Article; Randomized Controlled Trial |
Journal Detail:
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Title: Journal of shoulder and elbow surgery / American Shoulder and Elbow Surgeons ... [et al.] Volume: 18 ISSN: 1532-6500 ISO Abbreviation: J Shoulder Elbow Surg Publication Date: 2009 Jul-Aug |
Date Detail:
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Created Date: 2009-06-29 Completed Date: 2009-08-21 Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 9206499 Medline TA: J Shoulder Elbow Surg Country: United States |
Other Details:
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Languages: eng Pagination: 515-20 Citation Subset: IM |
Affiliation:
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Shoulder and Elbow Surgery, ATOS Clinic Heidelberg, Heidelberg, Germany. joern.kircher@atos.de |
Export Citation:
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APA/MLA Format Download EndNote Download BibTex |
| MeSH Terms | |
Descriptor/Qualifier:
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Aged Arthroplasty, Replacement / methods* Female Follow-Up Studies Humans Joint Prosthesis Male Middle Aged Monitoring, Intraoperative / methods* Osteoarthritis / diagnosis, surgery* Probability Range of Motion, Articular / physiology* Recovery of Function Risk Assessment Shoulder Joint / physiopathology, surgery* Surgery, Computer-Assisted / methods* Treatment Outcome |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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