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Research Snapshot

Benefit of Single-leaf Resection for Horizontal Meniscus Tear

February 6, 2023 – MeniscusTears.com

Read full study here

Study Purpose

This study was done to determine whether during partial removal of the meniscus for a horizontal tear, there is any advantage to removing only one leaf of the tear versus both leaves.

Participants

Knees from sheep cadavers.

Outcomes

After twice the body weight was applied to the knees, the researchers measured parameters including contact area (the area of the knee absorbing the applied weight), mean pressure and peak pressure on the knees.

Main Findings

  • For tears on the back of the meniscus:
  • Contact area: Removing only one leaf decreased contact area by 40% compared with knees without tears; removing the second leaf reduced contact area by an additional 15%.
  • Mean pressure: removing one leaf increased pressure by 24%, and removing the second leaf further increased it by 27%.
  • Peak pressure: no differences between single- and double-leaf resections.
  • For tears that spanned the entire meniscus, single-leaf resection reduced contact area by 59%, increased mean pressure by 55%, and increased peak pressure by 19%. There was so significant change in these measurements when the second leaf was also removed.

Key Message

For restricted horizontal tears, keeping one leaf was useful, while for more extensive tears, sparing one leaf offered no benefit in terms of increasing contact area or decreasing pressure over removal of both leaves.

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Dr. Justin Saliman, a seasoned knee orthopedic surgeon, invented the Edison Award winning “Novo Stitch Pro Meniscal Repair System” to arthroscopically sew back all meniscus tear types – including those previously considered difficult or impossible to sew.

 

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    About Dr. Justin Saliman

    Justin D. Saliman, MD, located in Beverly Hills, is a Stanford sports medicine trained orthopaedic surgeon operating out of Cedars-Sinai Hospital in Los Angeles.

     

    He is the founder of Ceterix® Orthopaedics and the inventor of the NovoStitch® Pro Meniscal Repair System, which was acquired by a large medical device company called Smith & Nephew in 2019.

    The device was granted FDA approval in 2012 and Dr. Saliman has been using it to preserve knee joints ever since.

     

    Nobody has more experience sewing meniscus tears
    back together than Dr. Saliman.

     

    He is specialized in joint preserving minimally invasive techniques to repair injuries to the knee to prevent arthritis and the need for joint replacement later in life.

    Dr. Saliman completed a sports medicine fellowship at Stanford University in Palo Alto, California, where he cared for the San Francisco 49ers and the athletic teams at Santa Clara and Stanford Universities.

    Prior to his fellowship, he completed his orthopaedic surgery residency at the prestigious St. Luke’s-Roosevelt Hospital Center of Columbia University in New York City. He earned his medical degree at the University of Colorado School of Medicine outside his hometown of Denver.

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      Get the best treatment for your knee.

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      8436 W 3rd Street
      Los Angeles, CA 9004812

      Get the best treatment for your knee.

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