دورية أكاديمية
Subacromial contact after acromioplasty in the rotator cuff deficient shoulder.
العنوان: | Subacromial contact after acromioplasty in the rotator cuff deficient shoulder. |
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المؤلفون: | Gatto L; Department of Biomedical Engineering, University of Melbourne, Parkville, Victoria, Australia., Fernando A; Department of Biomedical Engineering, University of Melbourne, Parkville, Victoria, Australia., Patel M; Department of Orthopaedic Surgery, Epworth Healthcare, Richmond, Victoria, Australia.; Department of Anatomy and Cell Biology, University of Melbourne, Parkville, Victoria, Australia.; School of Health and Biomedical Sciences, RMIT University, Melbourne, Victoria, Australia., Yeung A; Department of Biomedical Engineering, University of Melbourne, Parkville, Victoria, Australia., Ackland DC; Department of Biomedical Engineering, University of Melbourne, Parkville, Victoria, Australia. |
المصدر: | Journal of orthopaedic research : official publication of the Orthopaedic Research Society [J Orthop Res] 2024 Mar; Vol. 42 (3), pp. 588-597. Date of Electronic Publication: 2023 Oct 26. |
نوع المنشور: | Journal Article; Research Support, Non-U.S. Gov't |
اللغة: | English |
بيانات الدورية: | Publisher: Wiley Country of Publication: United States NLM ID: 8404726 Publication Model: Print-Electronic Cited Medium: Internet ISSN: 1554-527X (Electronic) Linking ISSN: 07360266 NLM ISO Abbreviation: J Orthop Res Subsets: MEDLINE |
أسماء مطبوعة: | Publication: 2006- : Hoboken, NJ : Wiley Original Publication: New York, N.Y. : Raven Press, [c1983- |
مواضيع طبية MeSH: | Rotator Cuff Injuries*/surgery , Shoulder Joint*, Humans ; Rotator Cuff/surgery ; Shoulder ; Rupture ; Biomechanical Phenomena ; Cadaver ; Range of Motion, Articular |
مستخلص: | Subacromial impingement (SAI) is associated with shoulder pain and dysfunction and is exacerbated by rotator cuff tears; however, the role of acromioplasty in mitigating subacromial contact in the rotator cuff deficient shoulder remains debated. This study aimed to quantify the influence of isolated and combined tears involving the supraspinatus on subacromial contact during abduction; and second, to evaluate the influence of acromioplasty on joint space size and subacromial contact under these pathological conditions. Eight fresh-frozen human cadaveric upper limbs were mounted to a computer-controlled testing apparatus that simulated joint motion by simulated force application. Shoulder abduction was performed while three-dimensional joint kinematics was measured using an optoelectronic system, and subacromial contact evaluated using a digital pressure sensor secured to the inferior acromion. Testing was performed after an isolated tear to the supraspinatus, as well as tears involving the subscapularis and infraspinatus-teres minor, both before and after acromioplasty. Rotator cuff tears significantly increased peak subacromial pressure (p < 0.001), average subacromial pressure (p = 0.001), and contact force (p = 0.034) relative to those in the intact shoulder. Following acromioplasty, significantly lower peak subacromial contact pressure, force and area were observed for all rotator cuff tears involving the supraspinatus at 30° of abduction (p < 0.05). Acromioplasty predominantly reduces acromion thickness anteriorly thereby reducing subacromial contact in the rotator cuff deficient shoulder, particularly in early to mid-abduction where superior glenohumeral joint shear force potential is large. These findings provide a biomechanical basis for acromioplasty as an intervention for SAI syndrome and as an adjunct to rotator cuff repairs. (© 2023 Orthopaedic Research Society.) |
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معلومات مُعتمدة: | Research Foundation Grant Australian Orthopaedic Association; FT200100098 Australian Research Council Future Fellowship |
فهرسة مساهمة: | Keywords: biomechanical model; impingement syndrome; rotator cuff tear; shoulder stability; supraspinatus tear |
تواريخ الأحداث: | Date Created: 20231009 Date Completed: 20240308 Latest Revision: 20240730 |
رمز التحديث: | 20240730 |
DOI: | 10.1002/jor.25717 |
PMID: | 37812185 |
قاعدة البيانات: | MEDLINE |
تدمد: | 1554-527X |
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DOI: | 10.1002/jor.25717 |