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Computer assisted navigation in total shoulder arthroplasty
Tej Joshi1, Swara R Kalva1, Dario Fucich1
1Division of Shoulder and Elbow Surgery, Department of Orthopedic Surgery, NYU Grossman School of Medicine, NYU Langone Orthopedic Hospital, NYU Langone Health, New York, NY, USA.
Journal of Clinical Orthopaedics and Trauma
|February 20, 2026
Summary
Computer-assisted navigation (CAN) enhances total shoulder arthroplasty accuracy for glenoid component placement. This guidance technology improves outcomes in complex cases, offering a safe and precise surgical tool.
Area of Science:
- Orthopedic Surgery
- Biomedical Engineering
- Surgical Technology
Background:
- Total shoulder arthroplasty utilization has surged due to innovations like reverse shoulder arthroplasty and advanced planning.
- Three-dimensional computed tomography (3D CT)-based planning software aids in glenoid deformity assessment and implant selection.
- Intraoperative guidance technology ensures precise execution of preoperative surgical plans.
Purpose of the Study:
- To review the current status of computer-assisted navigation (CAN) in shoulder arthroplasty.
- To discuss the surgical technique and literature regarding CAN for glenoid component placement.
- To evaluate the role of CAN in improving accuracy and outcomes in shoulder replacement surgery.
Main Methods:
- Review of current literature on computer-assisted navigation in shoulder arthroplasty.
- Discussion of the surgical technique for utilizing CAN in glenoid component implantation.
- Analysis of studies reporting on the accuracy and outcomes of CAN in shoulder replacement.
Main Results:
- Computer-assisted navigation (CAN) is available for glenoid component placement, offering real-time intraoperative feedback.
- CAN demonstrates improved accuracy and precision in glenoid component placement, particularly in complex primary and revision cases.
- CAN is a safe and effective intraoperative tool with low complication rates, leading to better short-term outcomes.
Conclusions:
- Computer-assisted navigation (CAN) is a valuable tool for enhancing precision in glenoid component placement during shoulder arthroplasty.
- While long-term benefits on implant survivorship require further investigation, CAN offers significant advantages in complex surgical scenarios.
- CAN represents a safe and effective intraoperative guidance technology for shoulder arthroplasty, improving surgical accuracy and patient outcomes.

