A New Anchor Augmentation Technique With a Cancellous Screw in Osteoporotic Rotator Cuff Repair: An In Vitro Biomechanical Study on Sheep Humerus Specimens

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dc.contributor.authorUruc, Vedat
dc.contributor.authorOzden, Raif
dc.contributor.authorDogramaci, Yunus
dc.contributor.authorKalacı, Aydıner
dc.contributor.authorHallaceli, Hasan
dc.contributor.authorKucukdurmaz, Fatih
dc.date.accessioned2024-09-18T21:03:02Z
dc.date.available2024-09-18T21:03:02Z
dc.date.issued2014
dc.departmentHatay Mustafa Kemal Üniversitesien_US
dc.description.abstractPurpose: The aim of this study was to test a simple technique to augment the pullout resistance of an anchor in an over-drilled sheep humerus model. Methods: Sixty-four paired sheep humeri were harvested from 32 male sheep aged 18 months. Specimens were divided into an augmented group and non-augmented group. FASTIN RC 5-mm titanium screw anchors (DePuy Mitek, Raynham, MA) double loaded with suture material (braided polyester, nonabsorbable USP No. 2) were used in both groups. Osteoporosis was simulated by over-drilling with a 4.5-mm drill. Augmentation was performed by fixing 1 of the sutures 1.5 cm inferior to the anchor insertion site with a washer screw. This was followed by a pull-to-failure test at 50 mm/min. The ultimate load (the highest value of strength before anchor pullout) was recorded. A paired t test was used to compare the biomechanical properties of the augmented and non-augmented groups. Results: In all specimens the failure mode was pullout of the anchor. The ultimate failure loads were statistically significantly higher in the augmented group (P < .0001). The mean pullout strength was 121.1 +/- 10.17 N in the non-augmented group and 176.1 +/- 10.34 N in the augmented group. Conclusions: The described augmentation technique, which is achieved by inferior-lateral fixation of 1 of the sutures of the double-loaded anchor to a fully threaded 6.5-mm cancellous screw with a washer, significantly increases the ultimate failure loads in the over-drilled sheep humerus model. Clinical Relevance: Our technique is simple, safe, and inexpensive. It can be easily used in all osteoporotic patients and will contribute to the reduction of anchor failure. This technique might be difficult to apply arthroscopically. Cannulated smaller screws would probably be more practical for arthroscopic use. Further clinical studies are needed.en_US
dc.identifier.doi10.1016/j.arthro.2013.09.001
dc.identifier.endpage21en_US
dc.identifier.issn0749-8063
dc.identifier.issn1526-3231
dc.identifier.issue1en_US
dc.identifier.pmid24183107en_US
dc.identifier.scopus2-s2.0-84891632457en_US
dc.identifier.scopusqualityQ1en_US
dc.identifier.startpage16en_US
dc.identifier.urihttps://doi.org/10.1016/j.arthro.2013.09.001
dc.identifier.urihttps://hdl.handle.net/20.500.12483/13214
dc.identifier.volume30en_US
dc.identifier.wosWOS:000329164000007en_US
dc.identifier.wosqualityQ1en_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.indekslendigikaynakPubMeden_US
dc.language.isoenen_US
dc.publisherW B Saunders Co-Elsevier Incen_US
dc.relation.ispartofArthroscopy-The Journal of Arthroscopic and Related Surgeryen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/openAccessen_US
dc.subjectSuture Anchorsen_US
dc.subjectFootprint Reconstructionen_US
dc.subjectPullout Strengthen_US
dc.subjectOvine Modelen_US
dc.subjectBoneen_US
dc.subjectFixationen_US
dc.subjectQualityen_US
dc.subjectTearen_US
dc.subjectTissueen_US
dc.subjectCysten_US
dc.titleA New Anchor Augmentation Technique With a Cancellous Screw in Osteoporotic Rotator Cuff Repair: An In Vitro Biomechanical Study on Sheep Humerus Specimensen_US
dc.typeArticleen_US

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