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Because of the special anatomy of the ankle joint, there are many methods in ankle fusion, and each has its own advantages.


To analyze and compare the effect of tibia slotting versus trephine for ankle fusion discuss the degeneration of adjacent joints.


A retrospective study was carried out in 35 patients with ankle from February 2002 to February 2011 in the First Affiliated People's Hospital of Soochow University. We used trephine (n=16) and slotted (n=19) in the tibia to fuse the patients’ ankle joint, then the effect was analyzed and compared.


All the 35 patients were followed-up for 8-96 months. The duration of ankle arthrodesis by tibia slotting was longer than that by trephine (P < 0.05), and the intraoperative blood loose was more (P < 0.05). The average American College of Foot and Ankle Society score at the 8th month follow-up in the tibia slotting group was higher than that in the trephine group (P < 0.05). Eighteen of the 35 patients were followed-up for at least 5 years, 10 cases in the tibia slotting group and 8 cases in the trephine group. Over one third of the patients in both two groups occurred adjacent joint degeneration. Compared with slotting in the tibia, trephine for ankle arthrodesis was a simple operation with small wound, higher fusion rate and less complications. However, the degeneration of the near joint should not be ignored.


Zhu FH, Zhang HT,Yang HL, Ni L, Cheng Y, Hu H. Effect of tibia slotting versus trephine for ankle fusion on the degeneration of the adjacent joint.Zhongguo Zuzhi Gongcheng Yanjiu. 2012;16(13): 2370-2373.



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