Journal of Korean Foot and Ankle Society (대한족부족관절학회지)

Korean Foot & Ankle Society (대한족부족관절학회)
권호 표지

The Operative Treatment using Porous Hydroxyapatite for Intraarticular Calcaneal Fractures of Joint Depression Type

관절함몰형 종골 골절에 대한 다공성 하이드록시 아파타이트를 이용한 수술적 치료

  • Choi, Eui-Sung (Department of Orthopaedic Surgery, Chungbuk National University College of Medicine) ;
  • Kim, Yong-Min (Department of Orthopaedic Surgery, Chungbuk National University College of Medicine) ;
  • Kim, Dong-Soo (Department of Orthopaedic Surgery, Chungbuk National University College of Medicine) ;
  • Shon, Hyun-Chul (Department of Orthopaedic Surgery, Chungbuk National University College of Medicine) ;
  • Park, Kyoung-Jin (Department of Orthopaedic Surgery, Chungbuk National University College of Medicine) ;
  • Cho, Byung-Ki (Department of Orthopaedic Surgery, Chungbuk National University College of Medicine) ;
  • Park, Ji-Kang (Department of Orthopaedic Surgery, Chungbuk National University College of Medicine) ;
  • Yoo, Jun-Il (Department of Orthopaedic Surgery, Chungbuk National University College of Medicine)
  • 최의성 (충북대학교 의과대학 정형외과학교실) ;
  • 김용민 (충북대학교 의과대학 정형외과학교실) ;
  • 김동수 (충북대학교 의과대학 정형외과학교실) ;
  • 손현철 (충북대학교 의과대학 정형외과학교실) ;
  • 박경진 (충북대학교 의과대학 정형외과학교실) ;
  • 조병기 (충북대학교 의과대학 정형외과학교실) ;
  • 박지강 (충북대학교 의과대학 정형외과학교실) ;
  • 유준일 (충북대학교 의과대학 정형외과학교실)
  • Received : 2010.04.17
  • Accepted : 2010.05.13
  • Published : 2010.06.15
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Abstract

Purpose: This study was performed to evaluate the clinical outcomes of operative treatment using porous hydroxyapatite for intraarticular calcaneal fracture of joint depression type. Materials and Methods: Twenty patients with intraarticular calcaneal fracture were followed up for more than 1 year. The period to union was calculated to evaluate the osteoconductivity of porous hydroxyapatite used as bone graft substitute. The measurement of Bohler angle, Gissane angle and the degree of articular surface depression was performed through preoperative and postoperative radiographs. The clinical evaluation was performed according to hindfoot score of the American Orthopaedic Foot and Ankle Society (AOFAS) and scale of the Creighton-Nebraska health foundation (CNHF). Results: Bohler angle and Gissane angle had improved significantly from preoperative average $10.4^{\circ}$, $117.8^{\circ}$ to average $22.6^{\circ}$, $113.5^{\circ}$ immediate postoperatively, and had maintained to average $21.2^{\circ}$ and $114.4^{\circ}$ at the last follow-up. The degree of articular surface depression had improved significantly from preoperative average 4.8 mm to 1.5 mm at the last follow-up. All cases achieved bone union, and the interval to union was average 12.8 weeks. AOFAS score was average 85.2 points at last follow-up. There were 7 excellent, 10 good, and 3 fair results according to the CNHF scale. Therefore, 17 cases (85%) achieved satisfactory results. Conclusion: Plate fixation using porous hydroxyapatite seems to be one of effective treatment methods for intraarticular calcaneal fracture of joint depression type, because of supporting the reduction of subtalar articulation by augmenting bony defect and facilitating bone formation. Further evaluation about long-term radiological changes and histological analysis on hydroxyapatite implantation site should be required.

Keywords

References

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