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. 2024 Apr 25;13(9):2512.
doi: 10.3390/jcm13092512.

Computer-Assisted Navigation in Reverse Shoulder Arthroplasty: Surgical Experience and Clinical Outcomes

Luca Andriollo  1   2 , Silvia Pietramala  1   2 , Alberto Polizzi  1 , Giuseppe Niccoli  1 , Guido Zattoni  1 , Vincenzo Morea  1
Affiliations

Computer-Assisted Navigation in Reverse Shoulder Arthroplasty: Surgical Experience and Clinical Outcomes

Luca Andriollo et al. J Clin Med. .

Abstract

Background: The primary cause of medium- to long-term complications in reverse shoulder arthroplasty (RSA) is the failure of the glenoid component. The purpose of this study was to evaluate both the achievement of planning through computer-assisted navigation and the clinical outcomes at a minimum follow-up (FU) of 12 months. Methods: From December 2019 to December 2022, 57 Equinoxe RSAs with computer-assisted navigation were performed. The average age was 72.8 ± 6.6 years. Using the Orthoblue software, the version and inclination of the glenoid were evaluated from a preoperative CT scan, and planning was performed. Intraoperative navigation data were evaluated, and the clinical outcomes were assessed at a minimum follow-up of 12 months. Results: The average follow-up was 30.7 ± 13.5 months. The planning was reproduced in all implants. No errors in the computer-assisted navigation system were detected. No intraoperative or postoperative complications were recorded. At the final FU, the average active anterior elevation was 143° ± 36°, external rotation was 34° ± 5°, QuickDASH score was 19 ± 16 points, and constant score was 77 ± 18. Conclusions: Computer-assisted navigation is a reliable system for positioning prosthetic implants on challenging glenoids. A longer follow-up period is necessary to confirm the reduction in postoperative complications and the increase in survival compared to traditional RSA.

Keywords: GPS navigation; computer-assisted navigation; reverse shoulder arthroplasty; shoulder osteoarthritis; shoulder replacement.

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Conflict of interest statement

The authors declare no conflicts of interest.

Figures

Figure 1
Figure 1
The surgical procedure for reverse shoulder arthroplasty with GPS navigation involves a preoperative CT scan, planning, and intraoperative navigation.
Figure 2
Figure 2
Equinoxe Reverse System (Exactech, Gainesville, FL, USA) implant.
Figure 3
Figure 3
X-rays at the final follow-up.
See this image and copyright information in PMC

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