Objective To analyze the clinical effects of sinus tarsi approach with minimal-inva-sive percutaneous screw fixation of calcaneal fractures. Methods From February 2014 to July 2015,28 ca-ses of calcaneal fracture patients(Sanders Ⅰ ~ Ⅲ)were treated with minimal-invasive percutaneous screw fixation via sinus tarsi approach in our department. There were 18 males and 10 females with age ranging from 16 to 68 years(mean,32 years). According to the classification of Sanders,six cases were classified as Type I,twelve as Type Ⅱ,and ten as Type Ⅲ. The Bohler angle and Gissane angle were compared be-fore and after operation. Clinical results were evaluated with the Maryland foot scoring system. Results All the patients were followed up for 14 to 20 months(mean,15. 5 months). Anatomic or almost anatomic reduction was achieved in all patients according to the results of postoperative images. All fractures healed,and the healing time ranged from 4 to 7 months(average,5. 3 months). There was no wound infec-tion,necrosis or bone nonunion. According to the Maryland foot scoring system,16 cases were defined as excellent,10 cases as good,and 2 cases as poor. The good and excellent rate was 92. 8% . Conclusion For calcaneal fractures,sinus tarsi approach with minimal-invasive percutaneous screw fixation has the ad-vantages of small trauma,safe operation,limited complication,and stable fixation,which is a satisfactory clinical treatment.%目的总结跗骨窦切口联合经皮置钉技术微创治疗跟骨骨折的疗效。方法 Sand-ers Ⅰ～Ⅲ型跟骨骨折患者28例，其中男18例，女10例，年龄16～68岁，平均年龄32.5岁。均采用跗骨窦切口联合经皮置钉技术微创治疗。根据 Sanders 分类，其中Ⅰ型6例，Ⅱ型12例，Ⅲ型10例。根据术前、术后及随访的 X 线片分析比较手术前后跟骨 Bohler 角、Gissane 角改变，并于随访时按照 Maryland 足部评分系统对疗效进行评价。结果所有患者术后均随访14～20个月，平均15.5个月，按照 Maryland 足部评分系统对疗效进行评价，术后拍片显示，所有患者均恢复了解剖位置或近乎解剖位置，骨折全部愈合，愈合时间为4～7个月，平均5.3个月，均未发生感染、坏死及骨不连。根据 Maryland 评分，优16例，良10例，可2例，优良率为92.8％。结论跗骨窦切口经皮置入接骨板和螺钉进行固定，创伤小，切口并发症少，复位固定可靠。
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