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240722s2024 xx |||||o 00| ||eng c |
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|a 10.1016/j.jseint.2024.03.013
|2 doi
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|a pubmed24n1479.xml
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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 Cunningham, Gregory
|e verfasserin
|4 aut
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| 245 |
1 |
0 |
|a Radial and median nerves distal peripheral tension after reverse shoulder arthroplasty
|b a cadaveric study
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| 264 |
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1 |
|c 2024
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| 336 |
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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 23.07.2024
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|a published: Electronic-eCollection
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|a Citation Status PubMed-not-MEDLINE
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|a © 2024 The Authors.
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|a Background: Peripheral nerve injury is a recognized complication after reverse shoulder arthroplasty (RSA) that has mainly been studied at the level of the brachial plexus and its proximal branches. However, the impact of RSA on distal peripheral nerves and the influence of elbow and wrist position is not known. This cadaveric study aimed to analyze the effect of RSA implantation and upper limb position on tension in the distal median and radial nerves. The hypothesis was that RSA increased distal nerve tension, which could be further affected by elbow and wrist position
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|a Methods: 12 upper limbs in 9 full fresh-frozen cadavers were dissected. Nerve tension was measured in the median nerve at the level of the proximal arm, elbow, and distal forearm, and in the radial nerve at the level of the elbow, using a customized three-point tensiometer. Measurements were carried out before and after RSA implantation, using a semi-inlay implant (Medacta, Castel San Pietro, Switzerland). Two different configurations were tested, using the smallest and largest available implant sizes. Three upper-limb key positions were considered (plexus at risk, plexus relief, and neutral), from which the effect of elbow and wrist position was further tested
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|a Results: RSA implantation significantly increased median and radial nerve tension throughout the upper limb. The distal nerve segments were particularly dependent on elbow and wrist position. The plexus at risk position induced the most tension in all nerve segments, especially with the large implant configuration. On the other hand, the plexus relief position induced the least amount of tension. Flexing the elbow was the most efficient way to decrease nerve tension in all tested nerve segments and key positions. Wrist flexion significantly decreased nerve tension in the median nerve, whereas wrist extension decreased tension in the radial nerve
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|a Conclusion: RSA significantly increases tension in the median and radial nerves and makes them more susceptible to wrist and elbow positioning. The mechanism behind distal peripheral neuropathy after RSA may thus result from increased compression of tensioned nerves against anatomical fulcrums rather than nerve elongation alone. Elbow flexion was the most effective way to decrease nerve tension, while elbow extension should be avoided when implanting the humeral component. Further studies are needed to assess the ulnar nerve
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4 |
|a Journal Article
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4 |
|a Cadaveric study
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| 650 |
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4 |
|a Distal nerve tensioning
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| 650 |
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4 |
|a Distal peripheral nerve
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| 650 |
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4 |
|a Median nerve
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| 650 |
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4 |
|a Nerve tension
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| 650 |
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4 |
|a Neuropathy
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| 650 |
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4 |
|a Peripheral nerve injury
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| 650 |
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4 |
|a Radial nerve
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| 650 |
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4 |
|a Reverse shoulder arhtroplasty
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| 650 |
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4 |
|a Reverse shoulder arthroplasty
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| 650 |
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4 |
|a Tensiometer
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| 650 |
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4 |
|a Upper limb positioning
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| 700 |
1 |
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|a Bernardo, Lauryne
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Brandariz, Rodrigo
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Holzer, Nicolas
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Da Rocha, Daniel
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Beaulieu, Jean-Yves
|e verfasserin
|4 aut
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| 773 |
0 |
8 |
|i Enthalten in
|t JSES international
|d 2020
|g 8(2024), 4 vom: 04. Juli, Seite 873-879
|w (DE-627)NLM307818438
|x 2666-6383
|7 nnns
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| 773 |
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|g volume:8
|g year:2024
|g number:4
|g day:04
|g month:07
|g pages:873-879
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| 856 |
4 |
0 |
|u http://dx.doi.org/10.1016/j.jseint.2024.03.013
|3 Volltext
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