Evidence map›Paper›PMID 33484354›Full record

ArticleJournal of experimental orthopaedics2021

Middle trapezius transfer for treatment of irreparable supraspinatus tendon tears- anatomical feasibility study.

Philipp Moroder, Doruk Akgün, Lucca Lacheta, Kathi Thiele, Marvin Minkus, Nina Maziak, Thilo Khakzad, Christian Festbaum, Katja Rüttershoff, Sophia Ellermann and 3 more

Abstract read
In one paragraph

Article in Journal of experimental orthopaedics, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 12 papers.

0numbers the graph read from it
0cells of the map it votes in
12citing papers in PubMed
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

12 citing papers in PubMed.

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4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

13 authors.

Philipp MoroderDepartment for Shoulder and Elbow Surgery, Center for Musculoskeletal Surgery, Campus Virchow, Charité -Universitaetsmedizin Berlin, Augustenburgerplatz 1, 13353, Berlin, Germany. philipp.moroder@icloud.com.
Doruk AkgünDepartment for Shoulder and Elbow Surgery, Center for Musculoskeletal Surgery, Campus Virchow, Charité -Universitaetsmedizin Berlin, Augustenburgerplatz 1, 13353, Berlin, Germany.
Lucca LachetaDepartment for Shoulder and Elbow Surgery, Center for Musculoskeletal Surgery, Campus Virchow, Charité -Universitaetsmedizin Berlin, Augustenburgerplatz 1, 13353, Berlin, Germany.
Kathi ThieleDepartment for Shoulder and Elbow Surgery, Center for Musculoskeletal Surgery, Campus Virchow, Charité -Universitaetsmedizin Berlin, Augustenburgerplatz 1, 13353, Berlin, Germany.
Marvin MinkusDepartment for Shoulder and Elbow Surgery, Center for Musculoskeletal Surgery, Campus Virchow, Charité -Universitaetsmedizin Berlin, Augustenburgerplatz 1, 13353, Berlin, Germany.
Nina MaziakDepartment for Shoulder and Elbow Surgery, Center for Musculoskeletal Surgery, Campus Virchow, Charité -Universitaetsmedizin Berlin, Augustenburgerplatz 1, 13353, Berlin, Germany.
Thilo KhakzadDepartment for Shoulder and Elbow Surgery, Center for Musculoskeletal Surgery, Campus Virchow, Charité -Universitaetsmedizin Berlin, Augustenburgerplatz 1, 13353, Berlin, Germany.
Christian FestbaumDepartment for Shoulder and Elbow Surgery, Center for Musculoskeletal Surgery, Campus Virchow, Charité -Universitaetsmedizin Berlin, Augustenburgerplatz 1, 13353, Berlin, Germany.
Katja RüttershoffDepartment for Shoulder and Elbow Surgery, Center for Musculoskeletal Surgery, Campus Virchow, Charité -Universitaetsmedizin Berlin, Augustenburgerplatz 1, 13353, Berlin, Germany.
Sophia EllermannDepartment for Shoulder and Elbow Surgery, Center for Musculoskeletal Surgery, Campus Virchow, Charité -Universitaetsmedizin Berlin, Augustenburgerplatz 1, 13353, Berlin, Germany.
Torsten WeissDepartment for Anatomy, Institute for Functional Anatomy, Center for Surgical-anatomical Training, Charité -Universitaetsmedizin Berlin, Berlin, Germany.
Thomas JönsDepartment for Anatomy, Institute for Functional Anatomy, Center for Surgical-anatomical Training, Charité -Universitaetsmedizin Berlin, Berlin, Germany.
Victor DanzingerDepartment for Shoulder and Elbow Surgery, Center for Musculoskeletal Surgery, Campus Virchow, Charité -Universitaetsmedizin Berlin, Augustenburgerplatz 1, 13353, Berlin, Germany.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

purposeThe purpose of this study was to investigate the anatomical feasibility of a middle trapezius transfer below the acromion for treatment of irreparable supraspinatus tendon tears.

methodsThis study involved 20 human cadaveric shoulders in 10 full-body specimens. One shoulder in each specimen was dissected and assessed for muscle and tendon extent, force vectors, and distance to the neurovascular structures. The opposite shoulder was used to evaluate the surgical feasibility of the middle trapezius transfer via limited skin incisions along with an assessment of range of motion and risk of neurovascular injury following transfer.

resultsThe harvested acromial insertion of the middle trapezius tendon showed an average muscle length of 11.7 ± 3.0 cm, tendon length of 2.7 ± 0.9 cm, footprint length of 4.3 ± 0.7 cm and footprint width of 1.4 ± 0.5 cm. The average angle between the non-transferred middle trapezius transfer and the supraspinatus was 33 ± 10° in the transversal plane and 34 ± 14° in the coronal plane. The mean distance from the acromion to the neurovascular bundle was 6.3 ± 1.3 cm (minimum: 4.0 cm). During surgical simulation there was sufficient excursion of the MTT without limitation of range of motion in a retracted scapular position but not in a protracted position. No injuries to the neurovascular structures were noted.

conclusionTransfer of the acromial portion of the middle trapezius for replacement of an irreparable supraspinatus seems to be feasible in terms of size, vector, excursion, mobility and safety. However, some concern regarding sufficiency of transfer excursion remains as scapula protraction can increase the pathway length of the transfer. LEVEL OF EVIDENCE: Basic Science Study/Anatomical Study.

Indexed as

Anatomical studyIrreparable rotator cuff tendon tearIrreparable supraspinatus tendon tearMiddle trapezius transferTendon transfer

Identifiers

PMID33484354
PMCPMC7826324

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.