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Journal
2008 | 3 | 1 | 89-95
Article title

Navigated versus conventional drilling of the knee in a model of obesity

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EN
Abstracts
EN
Core decompression by exact drilling into ischemic lesions of the femoral condyle stays a challenging procedure, particularly in obese patients. The precision of fluoroscopically-based drilling compared to conventional drilling was evaluated in an in-vitro model for obesity. 40 sawbones were prepared mimicking osteonecrosis in obese patients. 20 sawbones were drilled by guidance of an intraoperative navigation system VectorVision® (BrainLAB, Munich, Germany); the other 20 sawbones were conventionally drilled by fluoroscopic control only. Regarding the distance to the desired mid-point of the lesion, a statistically significant difference with 0.55 mm in the navigated group and 1.19 mm in the control group could be stated (p<0.001). Significant differences were further found for the number of drilling corrections (p<0.001) and radiation time needed (p<0.001). Even in difficult circumstances as in obese patients, the drilling guided by the VectorVision®-navigation system shows high precision with simultaneous enormous reduction of radiation time.
Publisher

Journal
Year
Volume
3
Issue
1
Pages
89-95
Physical description
Dates
published
1 - 3 - 2008
online
1 - 3 - 2008
Contributors
  • Orthopedic Clinic and Policlinic of the University of Regensburg, Germany
author
  • Orthopedic Clinic and Policlinic of the University of Regensburg, Germany
author
  • Orthopedic Clinic and Policlinic of the University of Regensburg, Germany
  • Orthopedic Clinic and Policlinic of the University of Regensburg, Germany
author
  • Orthopedic Clinic and Policlinic of the University of Regensburg, Germany
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Document Type
Publication order reference
Identifiers
YADDA identifier
bwmeta1.element.-psjd-doi-10_2478_s11536-007-0068-5
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