• Department of Foot and Ankle Surgery, Binzhou Medical University Hospital, Binzhou Shandong, 256603, P. R. China;
SUN Guangchao, Email: sunguangchao1984@126.com; SUN Guangchao, Email: sunguangchao1984@126.com
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Objective  To probe into the effectiveness of vertical compression of locking plate combined with hollow screws in the treatment of Sanders type Ⅱ and Ⅲ calcaneal fractures. Methods The clinical data of 128 patients with Sanders type Ⅱ and Ⅲ calcaneal fractures who were admitted between March 2019 and April 2022 and met the selection criteria were retrospectively analyzed. Among them, 65 patients were treated with locking plate combined with hollow screw vertical compression (study group), and 63 patients were treated with simple locking plate (control group). There was no significant difference in baseline data between the two groups (P>0.05), such as gender, age, fracture side and Sanders classification, cause of injury, time from injury to operation. The operation time, intraoperative blood loss, hospital stay, and fracture healing time were recorded and compared between the two groups. Before operation and at 12 months after operation, the American Orthopaedic Foot and Ankle Association (AOFAS) score (including total score, pain score, functional score, and alignment score) was used to evaluate the recovery of foot function, and imaging indicators such as calcaneal width, calcaneal height, calcaneal length, Böhler angle, and Gissane angle were measured on X-ray films. Results All patients were followed up 12 months after operation. There was no significant difference in operation time, intraoperative blood loss, hospital stay, and fracture healing time between the two groups (P>0.05). Poor wound healing occurred in 1 case in the study group and 2 cases in the control group. At 12 months after operation, there was no significant difference between the two groups in the pre- and post-operative difference of calcaneal length, calcaneal height, Gissane angle, and Böhler angle (P>0.05). However, the pre- and post-operative difference in calcaneal width in the study group was significantly higher than that in the control group (P<0.05). The pre- and post-operative difference of AOFAS total score in the study group was significantly higher than that in the control group (P<0.05), and further analysis showed that the pre- and post-operative difference of pain and function scores in the study group were significantly higher than those in the control group (P<0.05), while there was no significant difference in the pre- and post-operative difference of force score between the two groups (P>0.05). Conclusion Compared with simple locking plate treatment, the treatment of Sanders type Ⅱ and Ⅲ calcaneal fractures with vertical compression of locking plate combined with hollow screws can more effectively improve the width of the subtalar calcaneal articular surface, avoid peroneal longus and brevis impingement, reduce pain, and increase the range of motion of the subtalar joint, and the effectiveness is better.

Citation: ZHANG Yang, ZHAO Yongjie, DU Rui, LIU Ying, SUN Guangchao. Effectiveness of vertical compression of locking plate combined with hollow screws in treatment of Sanders type and calcaneal fractures. Chinese Journal of Reparative and Reconstructive Surgery, 2024, 38(4): 432-437. doi: 10.7507/1002-1892.202312027 Copy

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