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240506s2024 xx |||||o 00| ||eng c |
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|a 10.1016/j.jseint.2023.06.005
|2 doi
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|a pubmed24n1400.xml
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|a (NLM)38707564
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|a DE-627
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|c DE-627
|e rakwb
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|a eng
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| 100 |
1 |
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|a Dasari, Suhas P
|e verfasserin
|4 aut
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| 245 |
1 |
2 |
|a A biomechanical study to optimize superior capsular reconstruction operative technique
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|c 2024
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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| 338 |
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|a ƒa Online-Ressource
|b cr
|2 rdacarrier
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|a Date Revised 07.05.2024
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|a published: Electronic-eCollection
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|a Citation Status PubMed-not-MEDLINE
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|a © 2023 Published by Elsevier Inc. on behalf of American Shoulder and Elbow Surgeons.
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|a Background: The goals of this study were to optimize superior capsular reconstruction by assessing the relative fixation strength of 4 suture anchors; evaluating 3 glenoid neck locations for fixation strength and bone mineral density (BMD); determining if there is a correlation between BMD and fixation strength; and determining which portal sites have optimal access to the posterosuperior and anterosuperior glenoid neck for anchor placement
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|a Methods: Twenty cadaveric specimens were randomized into 4 groups: all-suture anchor (FiberTak), conventional 3.0-mm knotless suture anchor (SutureTak), 3.9-mm knotless PEEK (polyetheretherketone) Corkscrew anchor, and 4.5-mm Bio-Corkscrew anchor. Each specimen was prepared with 3 anchors into the glenoid: an anterosuperior anchor, superior anchor, and posterosuperior anchor. All anchors were inserted into the superior glenoid neck 5 mm from the glenoid rim. A materials testing system performed cyclic testing (250 cycles) followed by load-to-failure testing at 12.5 mm/s. Cyclic elongation, first cycle excursion, maximum load, and stiffness were recorded. Using custom software, BMD was calculated at each anchor location. This software was also used to assess access to the posterosuperior and anterosuperior glenoid neck from standard arthroscopic portal positions
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|a Results: There was no significant difference in cyclic elongation (P = .546), first cycle excursion (P = .476), maximum load (P = .817), or stiffness (P = .309) among glenoid anchor positions. Cyclic elongation was significantly longer in the PEEK Corkscrew group relative to the other implants (P ≤ .002). First cycle excursion was significantly greater in the FiberTak group relative to all other implants (P ≤ .008). For load-to-failure testing, the Bio-Corkscrew group achieved the highest maximum load (P ≤ .001). No other differences in cyclic or failure testing were observed between the groups. No differences in stiffness testing were observed (P = .133). The superior glenoid rim had the greatest BMD (P = .003), but there was no correlation between BMD and cyclic/load outcomes. The posterior portal (80% of specimens) and the anterior portal (60% of specimens) demonstrated the best access to the posterosuperior and anterosuperior glenoid neck, respectively
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|a Conclusion: The 4.5-mm Bio-Corkscrew anchor provided the most robust fixation to the glenoid during superior capsular reconstruction as it demonstrated the strongest maximum load, had minimal elongation, had minimal first cycle excursion, and did not fail during cyclic testing. The superior glenoid neck had the highest BMD; however, there was no correlation between BMD or glenoid anchor location and biomechanical outcomes. The posterior portal and anterior portal provided optimal access to the posterosuperior glenoid neck and anterosuperior glenoid neck, respectively
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4 |
|a Journal Article
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4 |
|a Biomechanics
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4 |
|a Bone mineral density
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| 650 |
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4 |
|a Glenoid neck
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| 650 |
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4 |
|a Glenoid rim
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| 650 |
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4 |
|a Rotator cuff tear
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| 650 |
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4 |
|a Shoulder
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| 650 |
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4 |
|a Superior capsular reconstruction
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| 650 |
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4 |
|a Suture anchor fixation
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| 700 |
1 |
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|a Vadhera, Amar S
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Menendez, Mariano E
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Khan, Zeeshan A
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Inoue, Nozomu
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Shewman, Elizabeth
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Waterman, Brian R
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Garrigues, Grant E
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Cole, Brian J
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Verma, Nikhil N
|e verfasserin
|4 aut
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| 773 |
0 |
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|t JSES international
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|g 8(2024), 3 vom: 15. Mai, Seite 451-458
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|g month:05
|g pages:451-458
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|u http://dx.doi.org/10.1016/j.jseint.2023.06.005
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