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- W4253644265 abstract "Abstract PurposeThis study aimed to compare conventional and navigation-assisted arthroscopic rotator cuff repair in terms of anchor screw insertion.MethodsThe surgical performance of five operators were compared while using conventional system and the proposed navigation-assisted system in a phantom surgical model and cadaveric shoulders. The participating operators were divided into two groups: expert (n = 3) and novice (n = 2) groups. In phantom model, the experimental tasks included anchor insertion into the rotator cuff footprint and sutures retrieval. Motion analysis camera system was used to track surgeons’ hand movements. Surgical performance metric included total path length, count of movements, and duration of surgery. In cadaveric experiments, repeatability and reproducibility of anchor insertion angle were compared among three experts and the feasibility of the navigation-assisted anchor insertion was validated.ResultsThere was no significant difference in the total path length, the count of movements and time taken, between the conventional system and the proposed system in phantom model. In cadaveric shoulders, however, the clustering of the anchor insertion angle indicated that the proposed system enabled both novice and expert operators to reproducibly insert anchor with an angle close to the predetermined target angle, resulting in an angle error of less than two degrees ( P = 0.0002).ConclusionThe proposed navigation-assisted system improved the surgical performance of novice to expert level. All experts achieved a high repeatability and reproducibility for anchor insertion. Navigation-assisted system can help to make surgeons be familiar to insertion of suture anchors in right direction easily, even in-experienced, by providing better guidance for anchor orientation.Level of EvidenceA retrospective study (level 2)" @default.
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- W4253644265 date "2020-05-18" @default.
- W4253644265 modified "2023-09-26" @default.
- W4253644265 title "Navigation-assisted anchor insertion in shoulder arthroscopy: a validity study" @default.
- W4253644265 doi "https://doi.org/10.21203/rs.3.rs-24949/v1" @default.
- W4253644265 hasPublicationYear "2020" @default.
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