| Advancements in orthopedic intervention: retrograde drilling and bone grafting of osteochondral lesions of the knee using magnetic resonance imaging guidance. | |
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MedLine Citation:
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PMID: 20502897 Owner: NLM Status: In-Process |
Abstract/OtherAbstract:
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Computer-assisted surgery is currently a novel challenge for surgeons and interventional radiologists. Magnetic resonance imaging (MRI)-guided procedures are still evolving. In this experimental study, we describe and assess an innovative passive-navigation method for MRI-guided treatment of osteochondritis dissecans of the knee. A navigation principle using a passive-navigation device was evaluated in six cadaveric knee joint specimens for potential applicability in retrograde drilling and bone grafting of osteochondral lesions using MRI guidance. Feasibility and accuracy were evaluated in an open MRI scanner (1.0 T Philips Panorama HFO MRI System). Interactive MRI navigation allowed precise drilling and bone grafting of osteochondral lesions of the knee. All lesions were hit with an accuracy of 1.86 mm in the coronal plane and 1.4 mm the sagittal plane. Targeting of all lesions was possible with a single drilling. MRI allowed excellent assessment of correct positioning of the cancellous bone cylinder during bone grafting. The navigation device and anatomic structures could be clearly identified and distinguished throughout the entire drilling procedure. MRI-assisted navigation method using a passive navigation device is feasible for the treatment of osteochondral lesions of the knee under MRI guidance and allows precise and safe drilling without exposure to ionizing radiation. This method may be a viable alternative to other navigation principles, especially for pediatric and adolescent patients. This MRI-navigated method is also potentially applicable in many other MRI-guided interventions. |
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Authors:
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Christian J Seebauer; Hermann J Bail; Jens C Rump; Thula Walter; Ulf K M Teichgräber |
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Publication Detail:
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Type: Journal Article; Research Support, Non-U.S. Gov't Date: 2010-05-26 |
Journal Detail:
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Title: Cardiovascular and interventional radiology Volume: 33 ISSN: 1432-086X ISO Abbreviation: Cardiovasc Intervent Radiol Publication Date: 2010 Dec |
Date Detail:
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Created Date: 2010-11-10 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 8003538 Medline TA: Cardiovasc Intervent Radiol Country: United States |
Other Details:
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Languages: eng Pagination: 1230-4 Citation Subset: IM |
Affiliation:
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Center for Musculoskeletal Surgery, Charité - Universitätsmedizin Berlin, Campus Virchow Klinikum, Augustenburgerplatz 1, 13353 Berlin, Germany. christian.seebauer@charite.de |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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