Comparison of external fixator-assisted reduction and locking plate internal fixation and simple locking plate internal fixation in the treatment of type C distal radius fractures

doi:10.3969/j.issn.2095-4344.2894

Abstract

Abstract:

BACKGROUND: The single volar locking plate internal fixation is often used for type C distal radius fractures. However, some patients still fail to achieve good fracture reduction, and the grip strength of the affected limb is significantly weakened. How to restore the length of the radius and maintain the reduction and internal fixation during the operation is challenging.

OBJECTIVE: To compare the clinical efficacy of external fixator-assisted reduction and locking plate internal fixation and simple locking plate internal fixation in the treatment of type C distal radius fractures.

METHODS: A retrospective analysis was conducted in 93 patients with type C distal radius fractures who underwent surgical treatment from March 2017 to August 2019. There were 49 cases in the external fixator-assisted group, with an average follow-up period of (14.95±5.64) months (range, 6-30 months); there were 44 cases in the simple plate group, with an average follow-up period of (15.38±6.27) months (range, 6 to 24 months). The preoperative general information, surgical related indicators, postoperative follow-up X-ray measurements and wrist function were compared and analyzed between the two groups.

RESULTS AND CONCLUSION: (1) The operation time, incision length, and number of X-ray exposures in the external fixator-assisted group were less than those in the simple plate group, and the differences were statistically significant (P < 0.05). (2) During the postoperative follow-up, the degree of radial height recovery in the external fixator-assisted group was better than that of the simple plate group, and the difference was statistically significant (P < 0.05). There was no statistical difference in the recovery of palm tilt and ulnar deviation between the two groups (P > 0.05). (3) On the second day after operation, the visual analogue scale score of the external fixator-assisted group was higher than that of the simple plate group, and the difference was statistically significant (P < 0.05). (4) At 1-year follow-up, the degree of grip strength recovery in the external fixator-assisted group was better than that in the simple plate group, and the difference was statistically significant (P < 0.05). (5) The results show that both methods can effectively reduce and fix type C distal radius fractures, and restore wrist function. The external fixator-assisted group has advantages such as shorter operation time, less trauma, less X-ray radiation, and better grip strength in comparison to the simple plate group.

Key words: internal fixation, bone, external fixator, assisted reduction, locking plate, distal radius fracture

CLC Number:

Chen Xiaojun, Luo Tao, Ou Changliang, He Zhiyu, Zhou Xin, Tang Xincheng, Mo Deping, Zou Yonggen. Comparison of external fixator-assisted reduction and locking plate internal fixation and simple locking plate internal fixation in the treatment of type C distal radius fractures[J]. Chinese Journal of Tissue Engineering Research, 2020, 24(33): 5315-5320.

Figures/Tables 9

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