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Related Concept Videos

Anchoring Junctions01:03

Anchoring Junctions

3.5K
Anchoring junctions are multiprotein complexes that help cells connect to other cells and the extracellular matrix. Anchoring junctions are present on the lateral and basal surfaces of cells, providing strong and flexible connections. Focal adhesions are often formed due to cell interactions with the ECM substrata, which initiate signal transduction via kinase cascades and other mechanisms. Together, they provide stability and tissue integrity. There are three types of anchoring junctions:...
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Related Experiment Video

Updated: May 9, 2025

A Novel Tenorrhaphy Suture Technique with Tissue Engineered Collagen Graft to Repair Large Tendon Defects
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A Novel Tenorrhaphy Suture Technique with Tissue Engineered Collagen Graft to Repair Large Tendon Defects

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Hybrid Knot and Knotless Suture Anchor Repair for Patellar Tendon Rupture.

Ekene U Ezeokoli1,2, Daniel Sutton2, Theodore B Shybut2

  • 1Oakland University William Beaumont School of Medicine, Royal Oak, USA.

Video Journal of Sports Medicine
|May 1, 2025
PubMed
Summary

Suture anchor repair offers an excellent option for patellar tendon ruptures, restoring knee extensor function with minimal complications. This technique allows for early range of motion and a return to recreational activities.

Keywords:
hybrid knotknot basedknotlesspatellar tendon rupturesuture anchor

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Using Q Suture to Enhance Resistance to Gap Formation and Tensile Strength of Repaired Flexor Tendons
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Using Q Suture to Enhance Resistance to Gap Formation and Tensile Strength of Repaired Flexor Tendons

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Area of Science:

  • Orthopedic Surgery
  • Sports Medicine
  • Biomedical Engineering

Background:

  • Patellar tendon ruptures are common knee extensor mechanism injuries, typically affecting active men under 40.
  • Optimal treatment involves surgical repair within two weeks to prevent complications like scar formation and loss of tendon excursion.

Purpose of the Study:

  • To describe a novel surgical technique for primary patellar tendon repair using suture anchors.
  • To evaluate the efficacy and outcomes of this technique in a patient with acute patellar tendon rupture.

Main Methods:

  • A primary patellar tendon repair technique utilizing both knot-based and knotless suture anchors.
  • Sutures in inferior patellar anchors reduce the tendon to its origin; tapes and a suprapatellar suture with knotless anchors reinforce the repair.
  • Medial and lateral retinacula are repaired using anchor-based suture limbs.

Main Results:

  • Excellent restoration of knee extensor mechanism function was observed.
  • Rehabilitation allowed for early range of motion with no major complications or failures.
  • The patient returned to unassisted daily living within 8-12 weeks and recreational sports at 12 months.

Conclusions:

  • Suture anchor repair provides biomechanical advantages over transosseous repair, including decreased gap formation and improved load to failure.
  • This technique offers benefits such as smaller incisions, less dissection, and shorter operative times.
  • The described method, incorporating a "double row" of anchors and an "internal brace," effectively repairs patellar tendon ruptures.