Clinical application of intraoperative O-arm navigation in reverse shoulder arthroplasty |
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| Institution: | 1. Department of Orthopedic Surgery, Seirei Sakura Citizen Hospital, 2-36-2, Ebaradai, Sakura City, Chiba, 285-8765, Japan;2. Department of Orthopedics Surgery, Graduate School of Medicine, Chiba University, 1-8-1 Inohana, Chuo-ku, Chiba, 260-8670, Japan;3. Department of Orthopedics Surgery, Kitasato University School of Medicine, 1-15-1 Kitasato Minami-ku, Sagamihara, Kanagawa, 252-0374, Japan;1. Department of Orthopedic Surgery, Niigata University Medical and Dental Hospital, Niigata City, Niigata, 951-8510 Japan;2. Department of Orthopaedic Surgery, Niigata Medical Center, Niigata City, Niigata, 950-2022 Japan;3. Department of Orthopaedic Surgery, Nagaoka Central Hospital, Nagaoka City, Niigata, 954-8653 Japan;4. Department of Health and Sports, Niigata University of Health and Welfare, Niigata City, Niigata, 950-3198 Japan;5. Division of Orthopaedic Biomechanics, Hokuetsu Hospital, Shibata City, Niigata, 957-0018 Japan;1. Keio University School of Medicine, Department of Orthopaedic Surgery, Tokyo, Japan;2. Kobe Medical Center, Department of Orthopaedic Surgery, Kobe, Japan;3. Kanazawa University, Department of Orthopaedic Surgery, Kanazawa, Japan;4. Meijo Hospital, Department of Orthopaedic Surgery, Nagoya, Japan;5. Tokyo Shinjuku Medical Center, Department of Spine Surgery, Tokyo, Japan;6. Toyota Kosei Hospital, Department of Orthopaedic Surgery, Toyota, Japan;7. Japan Spinal Deformity Institute, Nagoya, Japan;1. Ningbo University School of Medicine, Ningbo, China;2. Department of Orthopaedics, Hwa Mei Hospital, University of Chinese Academy of Sciences, Ningbo, China;1. Department of Orthopaedic Surgery, Osaka University Graduate School of Medicine, Japan;2. Department of Orthopaedic Surgery, Osaka Women''s and Children''s Hospital, Japan;3. Department of Orthopaedic Biomaterial Science, Osaka University Graduate School of Medicine, Japan;1. Department of Orthopaedic Surgery, Hospital for Special Surgery, 535 E 70th Street, New York, NY, 10021, USA;2. Department of Orthopaedic Surgery, University of Alabama at Birmingham School of Medicine, 1313 13th Street South, Birmingham, Al, 35205, USA;3. Department of Orthopaedics and Rehabilitation, Yale School of Medicine, 800 Howard Avenue, New Haven, CT, 06510, USA |
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| Abstract: | BackgroundInaccurate fixation and positioning of the glenoid component using conventional techniques are problematic in reversed shoulder arthroplasty (RSA). Our objective was to investigate the accuracy of O-arm navigation of the glenoid component in RSA.MethodsThis retrospective case–control study comprised 2 groups of 25 patients who underwent reversed shoulder arthroplasty with or without intraoperative O-arm navigation. The intraoperative goal was to place the component neutrally in the glenoid in the axial plane and 10° inferiorly tilted in the scapular plane. Glenoid version angle and inclination were measured by computed tomography obtained preoperatively and a year postoperatively. Operative time, intraoperative bleeding, and the presence of postoperative complications were recorded.ResultsCompared with the ideal, the range of error for version was 7.3° (SD 3.6°) in the control group and 5.6° (SD 3.6°) in the navigated group (P = 0.278), and the range of error for inclination was 18.3° (SD 11.7°) in the control group and 4.9° (SD 3.8°) in the navigated group (P = 0.0004). The mean operative time was 164.6 (SD 21.2) min in the control group and 192.0 (SD 16.2) min in the navigated group (P = 0.001). The mean intraoperative bleeding was 201.0 (SD 37.0) mL in the control group and 185.3 (SD 35.6) mL in the navigated group (P = 0.300). There were no complications reported related to the intraoperative O-arm navigation.ConclusionO-arm navigation may be a useful tool for the placement with inferior tilt of the glenoid procedure in reversed shoulder arthroplasty. |
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