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    Breaking News

    Research Roundup: New Insights Into ACL Repair, Osteochondral Knee Allograft

    Data show link between graft size, antibody development in osteochondral allograft.

    06.20.14
    The following is a roundup of three recently published medical studies that provide new insights into orthopedic procedures and patient outcomes:

    Graft Size Linked to Antibody Development After Osteochondral Allograft of Knee
    The American Journal of Sports Medicine

    A significant relationship exists between graft size and antibody development after fresh osteochondral allograft transplants in the knee, according to data.

    Researchers conducted a retrospective comparison of 33 antibody-positive patients after fresh, non-tissue-matched osteochondral allograft with an age-, sex- and body mass index-matched group of 34 antibody-negative patients. Mean patient age was 38.1 years. Average follow-up time was 50.3 months.

    Graft areas were differentiated as small (< 5 cm2), medium (5-10 cm2) or large (> 10 cm2). Graft survival and Knee Society (KS) functional scores were used to determine clinical outcome.
    Among the 27 patients with a large graft area, 19 (70 percent) had positive antibody screens postoperatively; con-trastingly, one of 16 (6 percent) small graft area patients had positive antibody screens.

    Mean postoperative KS score in surviving antibody-positive patients was 88.3, and 84.6 in antibody-negative patients. Graft survival rates were 64 percent and 79 percent, respectively.

    Adolescent ACL Repair May Lead to Risk of New Injuries
    The American Journal of Sports Medicine

    Adolescents who underwent surgical reconstruction for anterior cruciate ligament (ACL) injury were more likely to experience new instances of pain or swelling than those treated non-surgically, according to a study.

    Researchers retrospectively reviewed 71 patients, which included females aged 12 years old or younger and males aged 14 years old or younger who were evaluated for an ACL injury.

    Each patient’s electronic health records were reviewed for symptoms related to the injured knee. Instances were considered significant if new pain or swelling was reported.

    Forty-seven (66.2 percent) patients underwent ACL reconstruction at study conclusion, whereas 24 (33.8 percent) were treated nonoperatively. Patients who underwent ACL reconstruction had an average of 4.6 instances of new pain or swelling. No significant link between time to surgery and meniscal/cartilage injury was observed. However, a positive association was uncovered between patients with five or more such instances and the likelihood of a combined cartilage and meniscal injury (P = .01), according to the study.

    Preserved Joint Spaces Improve Outcomes After Hip Arthroscopic Surgery for FAI

    The American Journal of Sports Medicine

    Patients with preserved joint spaces experienced significantly better outcomes and activity levels after undergoing hip arthroscopic surgery for femoroacetabular impingement, according to study results.

    Researchers analyzed prospectively collected data for 559 patients who underwent hip arthroscopic surgery for femoroacetabular impingement (FAI). Radiographic measurements were collected, and hips were classified as having preserved or limited joint space. WOMAC, modified Harris Hip Score (MHHS), Hip Out-come Score (HOS) for activities of daily living and sports and SF-12 were included as outcome measures.

    Eighty-six percent of patients with limited joint spaces converted to THA vs. 16 percent of patients with preserved joint spaces. Among patients with preserved joint spaces, the mean survival time was 88 months vs. 40 months among patients with limited joint spaces, according to the study results.

    At a mean 73 months postoperatively, complete follow-up outcome data were available for 323 patients. Overall, the researchers found significantly better mean postoperative HOS for activities of daily living (P=.012) and sports (P=.003) in patients with preserved joint spaces.

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      AOSSM News: Study Suggests Surgery a Better Option for Older Patients with Meniscus Tears

      AOSSM News: Study Suggests Surgery a Better Option for Older Patients with Meniscus Tears

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      Saluda Medical Secures Debt Financing from Medtronic

      Saluda Medical Secures Debt Financing from Medtronic

      Proceeds to Fund Continued Development of Evoke ECAP-Controlled, Closed-Loop SCS System
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    • Research & Development
      MedTech Innovator Selects 50 Best-in-Class Startups for 2019 Showcase and Accelerator

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      $250K Pediatric Pitch Competition for Orthopedic Medical Device Innovators

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      Winners receive up to $50,000, plus an opportunity to participate in a one-of-a-kind pediatric accelerator program.
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      MedTech Innovator Opens Applications for 2019 Competition

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      The 2019 showcase to feature industry’s 50 best-in-class medical technology startups.
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    • Contract Manufacturing | Design | Extremities | Packaging & Sterilization | Research & Development
      Supporting Foot/Ankle Surgeon Inventors

      Supporting Foot/Ankle Surgeon Inventors

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      Nextremity Solutions 11.01.16

    • OrthoPediatrics Launches New BandLoc System

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      Titan Spine Expands Titanium Implant Portfolio Distribution Agreement with MBA

      Titan Spine Expands Titanium Implant Portfolio Distribution Agreement with MBA

      This reflects the increasing impact of surface-enhanced implants and surgeon adoption in the EU interbody device market.
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    Breaking News
    • Orthofix Appoints New Spine Business Leader
    • Viant to Halt EtO Sterilization at Michigan Plant by End of Year
    • Synaptive Medical's Modus V Expands Into Spine Market
    • 3D-Printed Graftless Bone Transplants Go to Clinical Trials
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    View Breaking News >
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