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Bashrum BS, Hwang NM, Thompson AA, Mayfield CK, Abu-Zahra M, Bolia IK, Biedermann BM, Petrigliano FA, Liu JN. Evaluation of spin in systematic reviews on the use of tendon transfer for massive irreparable rotator cuff tears. J Shoulder Elbow Surg 2024; 33:e377-e383. [PMID: 38122887 DOI: 10.1016/j.jse.2023.10.036] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/18/2023] [Revised: 10/26/2023] [Accepted: 10/30/2023] [Indexed: 12/23/2023]
Abstract
PURPOSE To identify, describe and account for the incidence of spin in systematic reviews and meta-analyses of tendon transfer for the treatment of massive, irreparable rotator cuff tears. The secondary objective was to characterize the studies in which spin was identified and to determine whether identifiable patterns exist among studies with spin. METHODS This study was conducted per the Preferred Reporting Items for Systematic Reviews and Meta-Analyses guidelines. Each abstract was assessed for the presence of the 15 most common types of spin derived from a previously established methodology. General data that were extracted included study title, authors, publication year, journal, level of evidence, study design, funding source, reported adherence to Preferred Reporting Items for Systematic Reviews and Meta-Analyses guidelines, preregistration of the study protocol, and methodologic quality per A Measurement Tool to Assess Systematic Reviews Version 2 (AMSTAR 2). RESULTS The search yielded 53 articles, of which 13 were included in the final analysis. Articles were excluded if they were not published in a peer reviewed journal, not written in English, utilized cadaveric or nonhuman models, or lacked an abstract with accessible full text. 53.8% (7/13) of the included studies contained at least 1 type of spin in the abstract. Type 5 spin ("The conclusion claims beneficial effect of the experimental treatment despite a high risk of bias in primary studies") was the most common, appearing in 23.1% (3/13) of included abstracts. Nine of the spin categories did not appear in any of the included abstracts. A lower AMSTAR 2 score was significantly associated with the presence of spin in the abstract (P < .006). CONCLUSION Spin is highly prevalent in the abstracts of systematic reviews and meta-analyses concerning tendon transfer for massive rotator cuff tears. A lower overall AMSTAR 2 rating was associated with a higher incidence of spin. Future studies should continue to explore the prevalence of spin in orthopedic literature and identify any factors that may contribute to its presence.
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Affiliation(s)
- Bryan S Bashrum
- USC Epstein Family Center for Sports Medicine at Keck Medicine of USC, Los Angeles, CA, USA
| | - N Mina Hwang
- USC Epstein Family Center for Sports Medicine at Keck Medicine of USC, Los Angeles, CA, USA
| | - Ashley A Thompson
- USC Epstein Family Center for Sports Medicine at Keck Medicine of USC, Los Angeles, CA, USA
| | - Cory K Mayfield
- USC Epstein Family Center for Sports Medicine at Keck Medicine of USC, Los Angeles, CA, USA
| | - Maya Abu-Zahra
- USC Epstein Family Center for Sports Medicine at Keck Medicine of USC, Los Angeles, CA, USA
| | - Ioanna K Bolia
- USC Epstein Family Center for Sports Medicine at Keck Medicine of USC, Los Angeles, CA, USA
| | - Brett M Biedermann
- USC Epstein Family Center for Sports Medicine at Keck Medicine of USC, Los Angeles, CA, USA
| | - Frank A Petrigliano
- USC Epstein Family Center for Sports Medicine at Keck Medicine of USC, Los Angeles, CA, USA
| | - Joseph N Liu
- USC Epstein Family Center for Sports Medicine at Keck Medicine of USC, Los Angeles, CA, USA.
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Reid JJ, Garrigues GE, Friedman RJ, Eichinger JK. Irreparable Subscapularis Tears: Current Tendon Transfer Options. Curr Rev Musculoskelet Med 2024; 17:68-75. [PMID: 38182803 PMCID: PMC10847079 DOI: 10.1007/s12178-023-09881-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 12/28/2023] [Indexed: 01/07/2024]
Abstract
PURPOSE OF REVIEW Irreparable subscapularis tears, especially in younger patients with higher functional demands, present a challenging entity. Pectoralis major and latissimus dorsi tendon transfers are commonly considered for surgical management of this pathology, yet no consensus exists regarding the superior option. The purpose of this article is to review the most current tendon transfer techniques for irreparable subscapularis tears. RECENT FINDINGS For decades, transfer of the pectoralis major has been considered the gold standard technique for irreparable subscapularis tears. This transfer was found to reduce pain and improve functional outcome scores, yet range of motion and force of internal rotation were not maintained in long-term follow-up studies. The latissimus dorsi tendon transfer for the same indications has demonstrated biomechanical superiority in recent cadaveric studies with promising short-term results clinically. Both pectoralis major and latissimus dorsi tendon transfers improve outcomes of patients with irreparable subscapularis tears. Future comparative studies are still needed to determine superiority amongst techniques.
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Affiliation(s)
- Jared J Reid
- Medical University of South Carolina, 96 Jonathan Lucas Street, Charleston SC 29412, Clinical Science Building MSC, Code 708, Charleston, SC, USA.
| | | | - Richard J Friedman
- Medical University of South Carolina, 96 Jonathan Lucas Street, Charleston SC 29412, Clinical Science Building MSC, Code 708, Charleston, SC, USA
| | - Joseph K Eichinger
- Medical University of South Carolina, 96 Jonathan Lucas Street, Charleston SC 29412, Clinical Science Building MSC, Code 708, Charleston, SC, USA
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Tytgat H, Macdonald P, Verhaegen F. Management of irreparable subscapularis tears: Current concepts. J ISAKOS 2024; 9:53-58. [PMID: 37879604 DOI: 10.1016/j.jisako.2023.10.010] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2023] [Revised: 10/09/2023] [Accepted: 10/18/2023] [Indexed: 10/27/2023]
Abstract
Primary repair of acute subscapularis (SSC) tears provides excellent results, but tendon retraction, muscle atrophy, fatty infiltration, and humeral head migration may render a more chronic tear irreparable. These irreparable SSC tears present a diagnostic and treatment challenge for orthopaedic surgeons. Careful physical examination and imaging evaluation can help to distinguish those with reparable versus irreparable tears, but they are still not very reliable due to the methodological limitations of current evidence. Therefore, future research using 3D and quantitative measurement techniques is necessary to better predict the irreparability of the SSC. When conservative treatment of an irreparable SSC tear fails, reversed shoulder arthroplasty has been established as the preferred treatment option for older, low-demand patients with arthropathy, providing reliable improvements in pain and function. In younger patients without significant arthropathy, musculotendinous transfers are the treatment of choice. The pectoralis major transfer is historically the most frequently performed procedure and provides improved range of motion and pain relief, but fails to adequately restore strength and shoulder function. The latissimus dorsi transfer has gained increased interest over the last few years due to its biomechanical superiority, and early clinical studies suggest improved outcomes as well. More recently, anterior capsular reconstruction has been proposed as an alternative to musculotendinous transfers, but clinical data are completely lacking. Future high-quality randomised controlled trials are necessary to reliably compare the different musculotendinous transfers and anterior capsular reconstruction.
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Affiliation(s)
- Hannes Tytgat
- AZ St. Dimpna Geel, J.-B. Stessenstraat 2, 2440 Geel, Belgium.
| | - Peter Macdonald
- Pan Am Clinic, Winnipeg, MB, R3M 3E4, Canada; Department of Surgery, Section of Orthopaedic Surgery, University of Manitoba, Winnipeg, MB, R3A 1R9, Canada
| | - Filip Verhaegen
- UZ Leuven, Department of Orthopedics, Herestraat 49, 3000 Leuven, Belgium
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Lin L, Yan H. Fully Arthroscopic Pectoralis Minor Tendon Transfer with Bone Fragment for Irreparable Subscapularis Tears. Arthrosc Tech 2023; 12:e1747-e1750. [PMID: 37942110 PMCID: PMC10627902 DOI: 10.1016/j.eats.2023.06.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/31/2023] [Accepted: 06/03/2023] [Indexed: 11/10/2023] Open
Abstract
Several techniques to treat irreparable subscapularis (SSC) tendon tear have been described. We introduce a fully arthroscopic technique for pectoralis minor tendon with bone fragment transfer. This procedure starts with glenohumeral exploration and evaluation of the remaining SSC mobility. Then we detach and release the pectoralis minor (PMi) tendon with bone fragment from the coracoid, protecting the plexus structures. Next, the PMi tendon with bone fragment is fixed on the lesser tuberosity passing under the coracoid. This procedure is technically demanding and could be performed safely with low invasiveness and high reproducibility by understanding the regional anatomy and the well-described technique.
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Affiliation(s)
- Lin Lin
- Department of Sports Medicine, Peking University Third Hospital, Institute of Sports Medicine of Peking University, Beijing, China
| | - Hui Yan
- Department of Sports Medicine, Peking University Third Hospital, Institute of Sports Medicine of Peking University, Beijing, China
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Tsukuda Y, Urita A, Miyano M, Taneichi H, Iwasaki N. Arthroscopic superior capsular reconstruction combined with pectoralis minor transfer for irreparable anterosuperior rotator cuff tear: a case report. JSES REVIEWS, REPORTS, AND TECHNIQUES 2023; 3:101-106. [PMID: 37588071 PMCID: PMC10426673 DOI: 10.1016/j.xrrt.2022.10.001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Yukinori Tsukuda
- Department of Orthopaedic Surgery, Otaru General Hospital, Otaru, Japan
| | - Atsushi Urita
- Department of Orthopaedic Surgery, Dokkyo Medical University, Mibu, Tochigi, Japan
| | - Masahiro Miyano
- Department of Orthopaedic Surgery, Otaru General Hospital, Otaru, Japan
| | - Hiroshi Taneichi
- Department of Orthopaedic Surgery, Dokkyo Medical University, Mibu, Tochigi, Japan
| | - Norimasa Iwasaki
- Faculty of Medicine and Graduate School of Medicine, Department of Orthopaedic Surgery, Hokkaido University, Sapporo, Japan
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Abstract
Massive rotator cuff tears (MRCTs) present a particular challenge due to high rates of retear that can range from 18 to 94%, failure of healing after repair, and potential for irreparability. Management of MRCTs must take into consideration the patient's characteristics, clinical examamination and expectation, number and quality of muscle tendons units involved. Conservative treatment, arthroscopic long head of the biceps tenotomy, cuff debridement, partial repair, and superior capsule reconstruction are viable solutions to treat selected patients. The goal of tendon transfers is to achieve stable kinematic by restoring rotational strength and force coupling of the shoulder joint. The ideal candidate is a young, motivated patient with small degenerative changes of the glenohumeral joint, a massive irreparable cuff tear, significant atrophy, fatty infiltration, and functional deficit. Patients with posterosuperior massive tears have impaired shoulder function with external rotation weakness and eventually lag sign If the teres minor is affected. Latissimus dorsi transfer is the most used with results lasting for long follow-up and lower Trapezius transfer is becoming a surgical option. For anterosuperior tears, there is still controversial if pectoralis major is the best option when compared to latissimus dorsi although this last has a similar vector force with the supraspinatus tendon. Complications associated with tendon transfers include neurovascular injury, infection, and rupture of the transferred tendon.
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Affiliation(s)
- Antonio Cartucho
- Shoulder and Elbow Unit, Hospital Cuf Descobertas, Lisbon, Portugal
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Biomechanical analysis of latissimus dorsi, pectoralis major, and pectoralis minor transfers in subscapularis-deficient shoulders. J Shoulder Elbow Surg 2022; 31:420-427. [PMID: 34592410 DOI: 10.1016/j.jse.2021.08.022] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/02/2021] [Revised: 08/16/2021] [Accepted: 08/20/2021] [Indexed: 02/01/2023]
Abstract
BACKGROUND Irreparable subscapularis (SSc) tears alter the dynamic force coupling of the shoulder, resulting in pain, weakness, and impaired shoulder function. Pectoralis major (Pma), pectoralis minor (Pmi), and latissimus dorsi (LD) transfers are treatment options for irreparable SSc tears, but clinical outcomes vary. The purpose of this study was to compare the biomechanical properties of Pma, Pmi, and LD transfers in an SSc-deficient shoulder using a computational model. METHODS A computer shoulder model was used to investigate the moment arms of Pma, Pmi, and LD tendon transfers compared with an intact SSc. Nine computed tomography scans from subjects without osteoarthritis were used. Virtual Pma, Pmi, and LD transfers were performed to the upper border of the SSc insertion site on the lesser tuberosity of the humerus. Muscle moment arms were computed for functional motions of 0°-80° of internal rotation with the arm in 20° and 90° of shoulder abduction and 0°-150° of shoulder abduction. The results were compared with those of the native SSc moment arms. A repeated-measures analysis of variance was then performed to determine significant differences. RESULTS Internal rotation moment arms of the transferred Pma and Pmi decreased significantly after 30° and 40° of internal rotation compared with the SSc moment arm of the intact shoulder, whereas the moment arm of LD transfer more closely mimicked that of the native SSc through 0°-80° of internal rotation. All 3 tendon transfer configurations demonstrated weak abductive moment arms (7.6-8.0 mm), comparable to the intact SSc (7.8 mm) but significantly lower than the intact adductive moment arms of the native Pma and LD (26.8 mm and 28.2 mm, respectively). CONCLUSION LD transfer most closely approximates the native SS regarding internal rotation moment arms. However, LD transfer also showed a reduction in adductive moment arms.
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Cartaya M, Canales P, Werthel JD, Hovsepian JM, Valenti P. Feasibility of lower trapezius and rhomboid minor transfer for irreparable subscapularis tears: an anatomic cadaveric study. JSES Int 2021; 5:447-453. [PMID: 34136852 PMCID: PMC8178634 DOI: 10.1016/j.jseint.2021.01.007] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022] Open
Abstract
Background Previously reported outcomes after tendon transfers to reconstruct the subscapularis are unpredictable and often unsatisfactory, especially in the presence of anterior humeral head subluxation. We studied the anatomic feasibility of the lower trapezius and the rhomboid minor transfer to reconstruct irreparable tendon tears of the subscapularis. The aim of this study was to determine the feasibility of lower trapezius and rhomboid minor transfer to reconstruct irreparable subscapularis tendon tears. Materials and methods We measured the tendons dimensions, muscles excursions, distances to pedicles, and dissection needed to complete a successful lower trapezius and/or rhomboid minor transfer to the subscapularis footprint in 10 cadaveric shoulders. The transferred muscles were detached distally, augmented with a semitendinosus and gracilis autograft, and passed anteriorly between the scapula and the subscapularis remnant through a small serratus window to reach the lesser tuberosity. The risk of pedicle compression was subjectively assessed in all cases. Results The trapezius and rhomboid tendons were asymmetric with an average length of 37.6 mm and 21.7 mm, an average width of 63 mm and 33.4 mm, respectively. The mean distances from each distal insertion to the lesser tuberosity were 109 mm for the trapezius and 144 mm for the rhomboid. Mean distances from tendon to pedicle were 57.9 mm and 33.1 mm, respectively. The mean size of the necessary serratus window was 49.4 mm, which was measured at maximal excursion achieved at maximal external rotation 90° representing two digitations. All of the tendon transfers were feasible, and the risk of pedicle compression was 20% for the trapezius and 10% for the rhomboid. Superior migration of the transfer was observed during passive external rotation if the insertion point was too high. Conclusions Transfer of the lower trapezius and rhomboid minor to the lesser tuberosity to reconstruct an irreparable subscapularis tear is feasible without extensive dissection and with a low risk of nerve compression. We recommend not to transfer the rhomboid minor routinely, owing to the risk of tendon luxation after external rotation of the shoulder.
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Affiliation(s)
| | | | | | - Jean Michel Hovsepian
- Department of Orthopaedic Sports Medicine, Chirurgisches Klinikum München Süd, Munich, Germany
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Wieser K, Hasler J. Arthroscopic-Assisted Anterior Latissimus Dorsi Transfer for Irreparable Anterior Rotator Cuff Tear: A Technical Note. Arthrosc Tech 2021; 10:e263-e267. [PMID: 33680754 PMCID: PMC7917011 DOI: 10.1016/j.eats.2020.10.002] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/28/2020] [Accepted: 10/04/2020] [Indexed: 02/03/2023] Open
Abstract
Several reconstruction techniques for irreparable tears of the subscapularis tendon have been described with variable results regarding pain relief, functional recovery, and dynamic stabilization of the glenohumeral joint. Because of a more advantageous direction of movement compared with previously described transfer techniques such as transfer of the pectoralis major and pectoralis minor tendons, the anterior latissimus dorsi (LD) transfer has been proposed as a potentially beneficial treatment method. This Technical Note aims to introduce an alternative technique for the anterior LD transfer that combines the advantages of a proper muscle release and tendon reinforcement through an axillary incision with the arthroscopic intra-articular and periarticular work, including detachment of the LD tendon from its humeral insertion and reattachment at the lesser tuberosity.
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Affiliation(s)
| | - Julian Hasler
- Address correspondence to Julian Hasler, M.D., Department of Orthopaedics, Balgrist University Hospital, Forchstrasse 340, CH-8008, Zurich, Switzerland.
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