Distal triceps transosseous cruciate versus suture anchor repair using equal constructs: a biomechanical comparison.

MedStar author(s):
Citation: Journal of Shoulder & Elbow Surgery. 27(11):2052-2056, 2018 Nov.PMID: 30093233Institution: MedStar Union Memorial HospitalDepartment: Orthopaedic SurgeryForm of publication: Journal ArticleMedline article type(s): Journal ArticleSubject headings: *Elbow Joint | *Suture Anchors | *Suture Techniques | *Sutures | *Tendon Injuries/su [Surgery] | Aged | Aged, 80 and over | Cadaver | Humans | Male | Middle Aged | Random Allocation | Range of Motion, Articular | Weight-BearingYear: 2018Local holdings: Available online from MWHC library: 1995 - present, Available in print through MWHC library:2004 - 2007ISSN:
  • 1058-2746
Name of journal: Journal of shoulder and elbow surgeryAbstract: BACKGROUND/HYPOTHESIS: Suture anchor-based repair has been advocated for repair of distal triceps avulsion, but previous models have used an unequal number of sutures across the repair site. We hypothesized that there would be no difference in triceps tendon displacement between gold standard repair with transosseous cruciate bone tunnels and suture anchor repair with an equal number of sutures in the constructs.Copyright (c) 2018 Journal of Shoulder and Elbow Surgery Board of Trustees. Published by Elsevier Inc. All rights reserved.DISCUSSION/CONCLUSION: Transosseous cruciate distal triceps repair and knotless double-row suture anchor repair using constructs with an equal number of sutures showed no significant difference in tendon displacement at 1500 loading cycles. These findings suggest that the biomechanical strength of an all-suture construct is not different from that of suture anchors for repair of distal triceps avulsions.METHODS: The triceps tendon footprint was measured in 20 cadaveric elbows (10 matched pairs), and a distal triceps tendon rupture was created. The specimens in each pair were randomly assigned to transosseous cruciate repair or knotless, double-row, anatomic footprint, suture anchor repair. Specimens underwent cyclic loading to 1500 cycles and then load to failure. Footprint uncoverage was measured at 1500 cycles. Data for medial and lateral triceps tendon displacement, footprint uncoverage, and failure load were obtained.RESULTS: Triceps displacement did not differ significantly between the transosseous cruciate and the suture anchor repair group at 1500 cycles on the medial (3.6 +/- 0.9 mm vs. 4.3 +/- 1.6 mm [mean +/- standard deviation], respectively; P = .27) and lateral side (3.1 +/- 1.2 mm vs. 2.0 +/- 1.2 mm, respectively; P = .06). No other differences were found between the constructs.All authors: Camire LM, Carpenter SR, Melvani R, Murthi AM, Parks BG, Stroh DAFiscal year: FY2019Digital Object Identifier: Date added to catalog: 2018-08-16
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Item type Current library Collection Call number Status Date due Barcode
Journal Article MedStar Authors Catalog Article 30093233 Available 30093233

Available online from MWHC library: 1995 - present, Available in print through MWHC library:2004 - 2007

BACKGROUND/HYPOTHESIS: Suture anchor-based repair has been advocated for repair of distal triceps avulsion, but previous models have used an unequal number of sutures across the repair site. We hypothesized that there would be no difference in triceps tendon displacement between gold standard repair with transosseous cruciate bone tunnels and suture anchor repair with an equal number of sutures in the constructs.

Copyright (c) 2018 Journal of Shoulder and Elbow Surgery Board of Trustees. Published by Elsevier Inc. All rights reserved.

DISCUSSION/CONCLUSION: Transosseous cruciate distal triceps repair and knotless double-row suture anchor repair using constructs with an equal number of sutures showed no significant difference in tendon displacement at 1500 loading cycles. These findings suggest that the biomechanical strength of an all-suture construct is not different from that of suture anchors for repair of distal triceps avulsions.

METHODS: The triceps tendon footprint was measured in 20 cadaveric elbows (10 matched pairs), and a distal triceps tendon rupture was created. The specimens in each pair were randomly assigned to transosseous cruciate repair or knotless, double-row, anatomic footprint, suture anchor repair. Specimens underwent cyclic loading to 1500 cycles and then load to failure. Footprint uncoverage was measured at 1500 cycles. Data for medial and lateral triceps tendon displacement, footprint uncoverage, and failure load were obtained.

RESULTS: Triceps displacement did not differ significantly between the transosseous cruciate and the suture anchor repair group at 1500 cycles on the medial (3.6 +/- 0.9 mm vs. 4.3 +/- 1.6 mm [mean +/- standard deviation], respectively; P = .27) and lateral side (3.1 +/- 1.2 mm vs. 2.0 +/- 1.2 mm, respectively; P = .06). No other differences were found between the constructs.

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