A Platelet-rich Plasma Therapy for Ulnar Collateral Ligament Injuries of Elbows in Baseball Pitchers

DOI
  • Yoshida Mamoru
    Department of Orthopaedic Surgery, National Hospital Organization Nishisaitama-Chuo National Hospital Department of Orthopaedic Surgery, The Jikei University School of Medicine
  • Yamazaki Tetsuya
    Department of Orthopaedic Surgery, Federation of National Public Service Personnel Mutual Aid Associations Yokohama Minami Kyousai Hospital
  • Funasaki Hiroki
    Department of Orthopaedic Surgery, The Jikei University School of Medicine
  • Marumo Keishi
    Department of Orthopaedic Surgery, The Jikei University School of Medicine

Bibliographic Information

Other Title
  • 野球投手の肘関節尺側側副靱帯損傷に対するPRP治療

Abstract

<p>We administered platelet-rich plasma（PRP）therapy for injuries at proximal sites of medial ulnar collateral ligaments（UCL）of elbows in 8 baseball pitchers（1 professional, 2 corporation club, 1 college, 3 high school and 1 playing recreationally）resisted against prior conservative therapies administered for 3-7 months with a mean age of 24 years. The UCL injury was classified as grade IIA in one professional pitcher and in other non-professional pitchers as grade IIB based on magnetic resonance findings. Power Doppler analyses showed areas of pathological hypervascularization at proximal sites of the UCLs in all pitchers. The PRP injections were performed 1 to 3 times during 3 weeks. Seven pitchers accompanied with grade IIB injuries returned to their previous sport activities without symptoms and hypervascularization on power Doppler images disappeared. A one pitcher with grade IIA injury had initially begun interval throwing exercises following twice PRP injections, but, due to recurrent elbow pain and worsening joint instability he eventually underwent a reconstruction surgery.</p>

Journal

Keywords

Details 詳細情報について

  • CRID
    1390003825207014784
  • NII Article ID
    130007889649
  • DOI
    10.34473/jossm.40.3_309
  • ISSN
    24355828
    13408577
  • Text Lang
    ja
  • Data Source
    • JaLC
    • CiNii Articles
  • Abstract License Flag
    Disallowed

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