Journal of Korean Foot and Ankle Society (대한족부족관절학회지)

Korean Foot & Ankle Society (대한족부족관절학회)
권호 표지

Subtalar Distraction Two Bone-Block Arthrodesis for Calcaneal Malunion

종골 부정 유합에 대한 두개의 골편을 이용한 거골하 관절 신연 유합술

  • Chung, Hyung-Jin (Department of Orthopedic Surgery, Inje University College of Medicine, Sanggye Paik Hospital) ;
  • Bae, Su-Young (Department of Orthopedic Surgery, Inje University College of Medicine, Sanggye Paik Hospital) ;
  • Lee, Hee-Sung (Department of Orthopedic Surgery, Inje University College of Medicine, Sanggye Paik Hospital)
  • 정형진 (인제대학교 의과대학 상계백병원 정형외과학교실) ;
  • 배서영 (인제대학교 의과대학 상계백병원 정형외과학교실) ;
  • 이희성 (인제대학교 의과대학 상계백병원 정형외과학교실)
  • Published : 2009.06.15
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Abstract

Purpose: This study was designed to evaluate the results and efficacy of subtalar distraction two bone-block arthrodesis for calcaneal malunion. Materials and Methods: From January 2004 to June 2007, we operated on 8 patients (12 cases). There were 7 male patients and 1 female patient; their mean age was 42 years. 8 cases among them were operated initially. The period between initial injury and arthrodesis was 21 months. At an average follow up was 19 months. In operation, we used extensile lateral approach and arthrodesis was performed through tricortical two bone-block and cannulated screws. The Ankle-Hindfoot scale was used for clinical evaluation. In radiologic analysis, plain X-ray and CT were examined union and various parameters. Results: All cases achieved radiologic union at the final follow-up. The mean Ankle-hindfoot scale (maximum of 94 points) increased from 43.4 points preoperatively to 84 points at the final follow-up. The radiologic analysis of the pre- and postoperative standing lateral radiographs showed and average increase of 5.5 mm in talo-calcaneal height, $5.1^{\circ}$ in talocalcaneal angle, $6.1^{\circ}$ in talar declination angle and decrease of $5.7^{\circ}$ in talo-first metatarsal angle. Conclusion: The short term results of subtalar distraction two bone-block arthrodesis is promising, but longer follow-up was needed.

Keywords

References

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