Journal of Korean Foot and Ankle Society (대한족부족관절학회지)

Korean Foot & Ankle Society (대한족부족관절학회)
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The Change of the Mechanoreceptors of Injured Achilles Tendon According to the Immobilization Periods

아킬레스건 손상 후 고정기간에 따른 기계적 수용기의 변화

  • Yoo, Jong-Min (Department of Orthopaedic Surgery, Seoul St. Mary's hospital, Catholic University of Korea) ;
  • Chung, Jin-Wha (Department of Orthopaedic Surgery, Seoul St. Mary's hospital, Catholic University of Korea) ;
  • Yoon, Ki-Syck (Department of Orthopaedic Surgery, Seoul St. Mary's hospital, Catholic University of Korea) ;
  • Chu, In-Tak (Department of Orthopaedic Surgery, Seoul St. Mary's hospital, Catholic University of Korea)
  • 유종민 (가톨릭대학교 의과대학 서울성모병원 정형외과) ;
  • 정진화 (가톨릭대학교 의과대학 서울성모병원 정형외과) ;
  • 윤기식 (가톨릭대학교 의과대학 서울성모병원 정형외과) ;
  • 주인탁 (가톨릭대학교 의과대학 서울성모병원 정형외과)
  • Received : 2010.03.16
  • Accepted : 2010.05.13
  • Published : 2010.06.15
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Abstract

Purpose: This study was designed to determine the quantitative changes of the numbers of the mechanoreceptors in the experimentally tenotomized Achilles tendon of rabbits as compared with short-term immobilization and long-term immobilization. Materials and Methods: 14 white rabbits were used. After tenotomizing the right Achilles tendon, the subjects were divided into 2 groups according to the periods of immobilizaton. The left side of each Achilles tendon of the rabbits were used as controls. The tendons were stained with a modified gold-chloride method. Results: The number of mechanoreceptor was significantly decreased in the tenotomized Achilles tendon group than the control group (p<0.01). There was no statistical difference between the two experimental groups in the numbers of the mechanoreceptors (p>0.01). Conclusion: The injured Achilles tendons may more vulnerable to injury because of the decreased numbers of mechanoreceptors, but no difference between the periods of immobilization. It may suggest that post-operative immobilization period may not affect on the outcome of operative treatment from the viewpoint of mechanoreceptors.

Keywords

References

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