Augmented Reality-Assisted Femoral Bone Resection in Total Knee Arthroplasty
Background:. An augmented reality (AR)-based navigation system allows visualization of the center of the femoral head and femoral mechanical axis superimposed on the surgical field during total knee arthroplasty (TKA) and may help surgeons to improve the accuracy of distal femoral resection. Methods...
| Main Authors: | , , , , |
|---|---|
| Format: | Article |
| Language: | English |
| Published: |
Wolters Kluwer
2021-09-01
|
| Series: | JBJS Open Access |
| Online Access: | http://journals.lww.com/jbjsoa/fulltext/10.2106/JBJS.OA.21.00001 |
| _version_ | 1818693518068023296 |
|---|---|
| author | Sachiyuki Tsukada, MD, PhD Hiroyuki Ogawa, MD Masahiro Nishino, MD Kenji Kurosaka, MD Naoyuki Hirasawa, MD, PhD |
| author_facet | Sachiyuki Tsukada, MD, PhD Hiroyuki Ogawa, MD Masahiro Nishino, MD Kenji Kurosaka, MD Naoyuki Hirasawa, MD, PhD |
| author_sort | Sachiyuki Tsukada, MD, PhD |
| collection | DOAJ |
| description | Background:. An augmented reality (AR)-based navigation system allows visualization of the center of the femoral head and femoral mechanical axis superimposed on the surgical field during total knee arthroplasty (TKA) and may help surgeons to improve the accuracy of distal femoral resection.
Methods:. First, we resected 10 femoral Sawbones specimens using the AR-based navigation system and performed computed tomography (CT) to measure the resection angle of the distal part of the femur. We calculated the absolute values of the differences between angles measured using CT images and angles displayed on the smartphone screen of the navigation system. Second, we measured coronal alignment using standing long-leg radiographs for 72 patients undergoing TKA and compared the error in the resection angle between TKA using the AR-based navigation system and that using a conventional intramedullary guide.
Results:. In the experimental study, the absolute values of the differences between angles measured on CT images and angles displayed using the AR-based navigation system were 0.8° ± 0.5° (range, 0.3° to 1.9°) in the coronal plane and 0.6° ± 0.5° (range, 0.0° to 1.4°) in the sagittal plane. In the clinical study, the mean absolute value of the error in coronal alignment was significantly smaller in the AR-based navigation group than the intramedullary-guide group (1.1° ± 1.0° [range, 0.0° to 3.2°] compared with 2.2° ± 1.6° [range, 0.0° to 5.5°], respectively; 95% confidence interval, 0.5° to 1.8°; p < 0.001).
Conclusions:. The AR-based navigation system may enable surgeons to perform distal femoral resection more accurately than with the conventional intramedullary guide during TKA.
Clinical Relevance:. This study validates the use of AR technology to enhance the precision of bone resection in TKA. |
| first_indexed | 2024-12-17T13:14:57Z |
| format | Article |
| id | doaj.art-b09c4a924d82446e9b243f1f3c695081 |
| institution | Directory Open Access Journal |
| issn | 2472-7245 |
| language | English |
| last_indexed | 2024-12-17T13:14:57Z |
| publishDate | 2021-09-01 |
| publisher | Wolters Kluwer |
| record_format | Article |
| series | JBJS Open Access |
| spelling | doaj.art-b09c4a924d82446e9b243f1f3c6950812022-12-21T21:47:02ZengWolters KluwerJBJS Open Access2472-72452021-09-016310.2106/JBJS.OA.21.00001JBJSOA2100001Augmented Reality-Assisted Femoral Bone Resection in Total Knee ArthroplastySachiyuki Tsukada, MD, PhD0Hiroyuki Ogawa, MD1Masahiro Nishino, MD2Kenji Kurosaka, MD3Naoyuki Hirasawa, MD, PhD41Department of Orthopaedic Surgery, Hokusuikai Kinen Hospital, Mito, Japan1Department of Orthopaedic Surgery, Hokusuikai Kinen Hospital, Mito, Japan1Department of Orthopaedic Surgery, Hokusuikai Kinen Hospital, Mito, Japan1Department of Orthopaedic Surgery, Hokusuikai Kinen Hospital, Mito, Japan1Department of Orthopaedic Surgery, Hokusuikai Kinen Hospital, Mito, JapanBackground:. An augmented reality (AR)-based navigation system allows visualization of the center of the femoral head and femoral mechanical axis superimposed on the surgical field during total knee arthroplasty (TKA) and may help surgeons to improve the accuracy of distal femoral resection. Methods:. First, we resected 10 femoral Sawbones specimens using the AR-based navigation system and performed computed tomography (CT) to measure the resection angle of the distal part of the femur. We calculated the absolute values of the differences between angles measured using CT images and angles displayed on the smartphone screen of the navigation system. Second, we measured coronal alignment using standing long-leg radiographs for 72 patients undergoing TKA and compared the error in the resection angle between TKA using the AR-based navigation system and that using a conventional intramedullary guide. Results:. In the experimental study, the absolute values of the differences between angles measured on CT images and angles displayed using the AR-based navigation system were 0.8° ± 0.5° (range, 0.3° to 1.9°) in the coronal plane and 0.6° ± 0.5° (range, 0.0° to 1.4°) in the sagittal plane. In the clinical study, the mean absolute value of the error in coronal alignment was significantly smaller in the AR-based navigation group than the intramedullary-guide group (1.1° ± 1.0° [range, 0.0° to 3.2°] compared with 2.2° ± 1.6° [range, 0.0° to 5.5°], respectively; 95% confidence interval, 0.5° to 1.8°; p < 0.001). Conclusions:. The AR-based navigation system may enable surgeons to perform distal femoral resection more accurately than with the conventional intramedullary guide during TKA. Clinical Relevance:. This study validates the use of AR technology to enhance the precision of bone resection in TKA.http://journals.lww.com/jbjsoa/fulltext/10.2106/JBJS.OA.21.00001 |
| spellingShingle | Sachiyuki Tsukada, MD, PhD Hiroyuki Ogawa, MD Masahiro Nishino, MD Kenji Kurosaka, MD Naoyuki Hirasawa, MD, PhD Augmented Reality-Assisted Femoral Bone Resection in Total Knee Arthroplasty JBJS Open Access |
| title | Augmented Reality-Assisted Femoral Bone Resection in Total Knee Arthroplasty |
| title_full | Augmented Reality-Assisted Femoral Bone Resection in Total Knee Arthroplasty |
| title_fullStr | Augmented Reality-Assisted Femoral Bone Resection in Total Knee Arthroplasty |
| title_full_unstemmed | Augmented Reality-Assisted Femoral Bone Resection in Total Knee Arthroplasty |
| title_short | Augmented Reality-Assisted Femoral Bone Resection in Total Knee Arthroplasty |
| title_sort | augmented reality assisted femoral bone resection in total knee arthroplasty |
| url | http://journals.lww.com/jbjsoa/fulltext/10.2106/JBJS.OA.21.00001 |
| work_keys_str_mv | AT sachiyukitsukadamdphd augmentedrealityassistedfemoralboneresectionintotalkneearthroplasty AT hiroyukiogawamd augmentedrealityassistedfemoralboneresectionintotalkneearthroplasty AT masahironishinomd augmentedrealityassistedfemoralboneresectionintotalkneearthroplasty AT kenjikurosakamd augmentedrealityassistedfemoralboneresectionintotalkneearthroplasty AT naoyukihirasawamdphd augmentedrealityassistedfemoralboneresectionintotalkneearthroplasty |