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Research article
Jung-Pan Wang
Taipei Veterans General Hospital
Corresponding Author
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Background: Ulnar shortening osteotomy (USO) is an effective treatment for ulnar impaction syndrome. However, there has been a concern of osteoarthritis (OA) developing at the distal radioulnar joint (DRUJ) if USO is performed on patients with a reverse oblique sigmoid notch. This study aimed to evaluate the radiographic and functional outcomes following USO in patients with a reverse oblique sigmoid notch.
Methods: We retrospectively reviewed our patients with a reverse oblique sigmoid notch who underwent USO to treat ulnar impaction syndrome between 2002 and 2013. We evaluated the radiographic changes of the DRUJ and the patients’ functional outcomes.
Results: We enrolled 22 patients (22 wrists) with an average age at operation of 49.6 years and mean follow-up of 93.2 (range, 36 - 179; SD 38.2) months. We found that there were changes in the inclination angle of the sigmoid notch, from an average of reverse oblique 14.9o (range, 11o - 23o; SD 3.4o) preoperatively to a more parallel 5.1o (range, 0o - 11o; SD 3.2o) at the final follow-ups. The functional results at the final follow-ups were good with a mean VAS for pain of 0.2 (range, 0 - 1; SD 0.4) at rest and 1.3 (range, 0 - 3; SD 0.9) during activity, QuickDASH of 15.1 (range, 2.3 - 34.1; SD 8.8), and modified Mayo Wrist Score of 91.6 (range, 70-100; SD 6.4). Seven wrists (31.8%) were noted to have OA changes, but the wrists did not exhibit a significantly worse function when compared to wrists without OA changes, except for supination motion and grip strength.
Conclusions: For those patients with a reverse oblique sigmoid inclination following USO, the inclination angle would have a tendency to become more parallel and some patients would develop OA changes at the DRUJ, but the functional outcomes could still be good in the long term. The reverse oblique sigmoid inclination seems not to be an absolute contraindication for USO.
Keywords
ulnar impaction, oblique, reverse, sigmoid notch, ulnar shortening
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This is a list of supplementary files associated with this preprint. Click to download.
- Additionalfile1.doc
Additional file 1: Checklist of STROBE criteria.
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CURRENT STATUS: Published
View the published article at BMC Musculoskeletal Disorders.
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Editorial decision: Accept
On 27 Jan, 2021
Editor assigned
On 10 Jan, 2021
Submission checks complete
On 10 Jan, 2021
Editor invited
On 10 Jan, 2021
No comments provided
Editor assigned
On 30 Nov, 2020
Submission checks complete
On 30 Nov, 2020
Editor invited
On 30 Nov, 2020
Version 3
Posted 03 Dec, 2020
No comments provided
Editorial decision: Minor revision
On 24 Nov, 2020
Editor assigned
On 18 Nov, 2020
Submission checks complete
On 18 Nov, 2020
Editor invited
On 18 Nov, 2020
No comments provided
Editorial decision: Major revision
On 09 Nov, 2020
Review #2 received
Received 21 Oct, 2020
Review #1 received
Received 20 Oct, 2020
Reviewer #3 agreed
On 05 Oct, 2020
Reviewer #2 agreed
On 03 Oct, 2020
Reviewers invited
Invitations sent on 02 Oct, 2020
Reviewer #1 agreed
On 02 Oct, 2020
Editor assigned
On 29 Sep, 2020
Submission checks complete
On 28 Sep, 2020
Editor invited
On 28 Sep, 2020
No comments provided
Editorial decision: Major revision
On 01 Sep, 2020
Review #3 received
Received 25 Aug, 2020
Reviewer #3 agreed
On 07 Aug, 2020
Reviewer #2 agreed
On 05 Aug, 2020
Review #2 received
Received 05 Aug, 2020
Review #1 received
Received 03 Jun, 2020
Reviewer #1 agreed
On 16 May, 2020
Reviewers invited
Invitations sent on 13 May, 2020
Editor assigned
On 21 Apr, 2020
Submission checks complete
On 20 Apr, 2020
Editor invited
On 20 Apr, 2020
First submitted
On 19 Apr, 2020
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Subject Areas
Orthopedic Surgery
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A new preprint design is coming!
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See the published version of this preprint at BMC Musculoskeletal Disorders.
This is a preprint, a preliminary version of a manuscript that has not completed peer review at a journal. Research Square does not conduct peer review prior to posting preprints. The posting of a preprint on this server should not be interpreted as an endorsement of its validity or suitability for dissemination as established information or for guiding clinical practice.
Learn more about In Review
Research article
Jung-Pan Wang
Taipei Veterans General Hospital
Corresponding Author
Badges
Prescreen
This manuscript passed our Prescreen assessment
Complete author information
Appropriate declaration statements
Potential risks to human health
Prescreen
Peer Review Timeline
CURRENT STATUS: Published
View the published article at BMC Musculoskeletal Disorders.
No community comments so far
Editorial decision: Accept
On 27 Jan, 2021
Editor assigned
On 10 Jan, 2021
Submission checks complete
On 10 Jan, 2021
Editor invited
On 10 Jan, 2021
No comments provided
Editor assigned
On 30 Nov, 2020
Submission checks complete
On 30 Nov, 2020
Editor invited
On 30 Nov, 2020
Version 3
Posted 03 Dec, 2020
No comments provided
Editorial decision: Minor revision
On 24 Nov, 2020
Editor assigned
On 18 Nov, 2020
Submission checks complete
On 18 Nov, 2020
Editor invited
On 18 Nov, 2020
No comments provided
Editorial decision: Major revision
On 09 Nov, 2020
Review #2 received
Received 21 Oct, 2020
Review #1 received
Received 20 Oct, 2020
Reviewer #3 agreed
On 05 Oct, 2020
Reviewer #2 agreed
On 03 Oct, 2020
Reviewers invited
Invitations sent on 02 Oct, 2020
Reviewer #1 agreed
On 02 Oct, 2020
Editor assigned
On 29 Sep, 2020
Submission checks complete
On 28 Sep, 2020
Editor invited
On 28 Sep, 2020
No comments provided
Editorial decision: Major revision
On 01 Sep, 2020
Review #3 received
Received 25 Aug, 2020
Reviewer #3 agreed
On 07 Aug, 2020
Reviewer #2 agreed
On 05 Aug, 2020
Review #2 received
Received 05 Aug, 2020
Review #1 received
Received 03 Jun, 2020
Reviewer #1 agreed
On 16 May, 2020
Reviewers invited
Invitations sent on 13 May, 2020
Editor assigned
On 21 Apr, 2020
Submission checks complete
On 20 Apr, 2020
Editor invited
On 20 Apr, 2020
First submitted
On 19 Apr, 2020
Metrics
Comments: 0
PDF Downloads: ...
HTML Views: ...
Subject Areas
Orthopedic Surgery
License:
This work is licensed under a CC BY 4.0 License. Read Full License
View the published article at BMC Musculoskeletal Disorders.
Background: Ulnar shortening osteotomy (USO) is an effective treatment for ulnar impaction syndrome. However, there has been a concern of osteoarthritis (OA) developing at the distal radioulnar joint (DRUJ) if USO is performed on patients with a reverse oblique sigmoid notch. This study aimed to evaluate the radiographic and functional outcomes following USO in patients with a reverse oblique sigmoid notch.
Methods: We retrospectively reviewed our patients with a reverse oblique sigmoid notch who underwent USO to treat ulnar impaction syndrome between 2002 and 2013. We evaluated the radiographic changes of the DRUJ and the patients’ functional outcomes.
Results: We enrolled 22 patients (22 wrists) with an average age at operation of 49.6 years and mean follow-up of 93.2 (range, 36 - 179; SD 38.2) months. We found that there were changes in the inclination angle of the sigmoid notch, from an average of reverse oblique 14.9o (range, 11o - 23o; SD 3.4o) preoperatively to a more parallel 5.1o (range, 0o - 11o; SD 3.2o) at the final follow-ups. The functional results at the final follow-ups were good with a mean VAS for pain of 0.2 (range, 0 - 1; SD 0.4) at rest and 1.3 (range, 0 - 3; SD 0.9) during activity, QuickDASH of 15.1 (range, 2.3 - 34.1; SD 8.8), and modified Mayo Wrist Score of 91.6 (range, 70-100; SD 6.4). Seven wrists (31.8%) were noted to have OA changes, but the wrists did not exhibit a significantly worse function when compared to wrists without OA changes, except for supination motion and grip strength.
Conclusions: For those patients with a reverse oblique sigmoid inclination following USO, the inclination angle would have a tendency to become more parallel and some patients would develop OA changes at the DRUJ, but the functional outcomes could still be good in the long term. The reverse oblique sigmoid inclination seems not to be an absolute contraindication for USO.
Figure 1
Figure 2
This is a list of supplementary files associated with this preprint. Click to download.
- Additionalfile1.doc
Additional file 1: Checklist of STROBE criteria.
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