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- Dokumenttyp:
- Article; Journal Article
- Autor(en):
- Mirzayan, Raffy; Andelman, Steven M; Sethi, Paul M; Baldino, Joshua B; Comer, Brendan J; Obopilwe, Elifho; Morikawa, Daichi; Otto, Alexander; Mehl, Julian; Murphy, Matthew; Mazzocca, Augustus D
- Titel:
- Acellular dermal matrix augmentation significantly increases ultimate load to failure of pectoralis major tendon repair: a biomechanical study.
- Abstract:
- BACKGROUND: Biomechanical studies have demonstrated that standard pectoralis major tendon (PMT) repairs have inferior strength compared with native tendon. HYPOTHESIS: Augmentation of PMT repair with an acellular dermal matrix (ADM) will increase the ultimate load to failure. METHODS: Eighteen cadaveric specimens were allocated to 3 repair groups: standard repair (SR); augmented repair (AR) with ADM; and intact, native tendon (NT). Specimens were tested for cyclic elongation, linear stiffness, load to 5 mm displacement, maximum load to failure, and method of failure. RESULTS: Maximum load to failure in AR (1450 ± 295 N) was significantly higher than SR (921 ± 159 N; P = .0042) and equivalent to NT (1289 ± 240 N; P = .49). NT required the highest load to displace 5 mm (709 ± 202 N), which was higher than AR (346 ± 95 N; P < .001) and SR (375 ± 55; P = .0015). NT stiffness (125 ± 42 N/mm) was greater than the AR (69 ± 19 N/mm; P = .0073) or SR (75 ± 11 N/mm; P = .015). The mode of failure for SR was suture pullout from the PMT as opposed to button pullout from the humerus (fracture) for AR. CONCLUSION: ADM augmentation of PMT repair significantly increases ultimate load to failure.
- Zeitschriftentitel:
- J Shoulder Elbow Surg
- Jahr:
- 2020
- Band / Volume:
- 29
- Heft / Issue:
- 4
- Seitenangaben Beitrag:
- 728-735
- Volltext / DOI:
- doi:10.1016/j.jse.2019.09.020
- PubMed:
- http://view.ncbi.nlm.nih.gov/pubmed/31859037
- Print-ISSN:
- 1058-2746
- TUM Einrichtung:
- Fachgebiet Sportorthopädie (Prof. Imhoff)
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