Cannulated screw fixation and plate fixation for displaced intra-articular calcaneus fracture: A meta-analysis of randomized controlled trials.
Displaced intra-articular calcaneus fractures (DIACFs) are the most common type of calcaneus fracture. The differences in therapeutic effectiveness between cannulated screw fixation (CSF) and plate fixation are still unclear. Thus, in this meta-analysis, we evaluated the therapeutic effectiveness of these two fixation methods.
We searched for all publications on DIACFs fixated with cannulated screws or plates in the following electronic databases: Pubmed, Cochrane, Embase and CNKI. Only randomized controlled studies were included. The Cochrane Handbook for Systematic Reviews of Interventions (version 5.1.0) was applied for analysis. The primary outcomes were American Orthopedic Foot and Ankle Society score (AOFAS), improvement of Bohler's angle, improvement of Gissane's angle and the width of the calcaneus. Outcomes were reported as the standard mean difference (SMD) or relative risk (RR) with the 95% confidence interval (CI). A random effects model was used to assess the pooled data.
Five randomized controlled studies met our inclusion criteria, and a total of 707 patients were involved. There was no statistically significant difference between the cannulated screw fixation group and the plate fixation group in terms of excellent and good AOFAS scores (RR = 1.01, 95%CI 0.91 to 1.13, P = 0.79), improvement of Bohler's angle (SMD = 0.12, 95%CI -0.03 to 0.28, P = 0.12), improvement of Gissane's angle (SMD = 0.09, 95%CI -0.28 to 0.26, P = 0.30), or the width of the calcaneus (SMD = -0.07, 95%CI -0.24 to 0.10, p = 0.45). Compared with plate fixation, CSF showed a significant reduction in the duration of surgery (SMD = -1.74, 95%CI, -3.35 to -0.13, P = 0.03) and rate of complications (RR = 0.25, 95%CI, 0.15 to 0.44, P＜0.00001).
Cannulated screw fixation and plate fixation have similar fixation effectiveness and functional outcomes in the treatment of displaced intra-articular calcaneus fractures. Due to the shorter duration of surgery and low rate of complications, cannulated screw fixation is superior to plate fixation. However, further studies are needed to evaluate cannulated screw fixation for various Sanders types of calcaneus fractures.
Fan B
，Zhou X
，Wei Z
，Ren Y
，Lin W
，Hao Y
，Shi G
，Feng S
... -
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Cannulated screw fixation versus plate fixation in treating displaced intra-articular calcaneus fractures: a systematic review and meta-analysis.
Operative treatment has become the current trend for displaced intra-articular calcaneus fracture (DIACF), while using cannulated screw fixation or plate fixation is still controversial for treating DIACF. The purpose of this meta-analysis is to compare the outcome of the two fixation methods.
We searched literature comparing cannulated screw fixation and plate fixation from PubMed, Embase, Web of Science, and Cochrane Library. Only randomized controlled trials were included. The outcomes of post-operative function, radiological measurement, time efficiency, and wound complications were pooled in the meta-analysis.
Seven RCTs with 902 cases of DIACF were included. Pooled results showed the two fixation methods that had similar function satisfactory of AOFAS score (RR = 0.95, 95% CI = [0.83, 1.09], P = 0.47, I2 = 0%) and Maryland Foot score (RR = 0.93, 95% CI = [0.68, 1.28], P = 0.66, I2 = 84%). Compared to plate fixation, cannulated screw fixation had better improvement of Bohler's angle (WMD = 0.56, 95% CI = [0.20, 0.91], P = 0.002, I2 = 34%) and Gissane's angle (WMD = 1.36, 95% CI = [0.56, 2.16], P = 0.0008, I2 = 7%), better recovery of calcaneal height (WMD = 0.49, 95% CI = [0.02, 0.95], P = 0.04, I2 = 6%), shorter time to operation (WMD = - 2.91, 95% CI = [- 4.99, - 0.84], P = 0.006, I2 = 97%), less operation time (WMD = - 21.58, 95% CI = [- 37.31, - 5.85], P = 0.007, I2 = 98%), reduced length of hospital stay (WMD = - 2.00, 95% CI = [- 3.69, - 0.31], P = 0.02, I2 = 97%), and less wound complications (RR = 0.16, 95% CI = [0.08, 0.32], P < 0.00001, I2 = 0%).
Cannulated screw fixation and plate fixation have similar postoperative functional satisfactory. Cannulated screw fixation is superior to plate fixation in reduction quality, time efficiency, and wound complications.
Wang Q
，Zhang N
，Guo W
，Wang W
，Zhang Q
... -
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Comparison between screw fixation and plate fixation via sinus tarsi approach for displaced intra-articular calcaneal fractures: a systematic review and meta-analysis.
Optimal surgical fixation for displaced intra-articular calcaneal fractures (DIACF) remains a subject of debate, particularly regarding the superiority between screw fixation and plate fixation via the sinus tarsi approach (STA). This review aims to determine the preferred treatment for DIACF and compare the outcomes of minimally invasive surgery options.
Our study involved thorough searches across multiple electronic databases, including PubMed, Cochrane, Embase, and Web of Science, to identify all relevant publications on distal intra-articular fractures of the calcaneus (DIACFs) that were fixed using cannulated screws or plates via STA. Through a comprehensive meta-analysis, we evaluated several outcomes, including post-operative function, radiological measurements, and complications.
A total of 728 patients from 7 studies met the inclusion criteria. Among them, 435 patients underwent screw fixation via STA, and 373 patients underwent plate fixation via STA. The study found no statistically significant differences between the screw fixation and the plate fixation via sinus tarsi approach (STA) in terms of AOFAS scores, Bohler's angle, Gissane's angle, sural nerve injury, secondary subtalar arthrodesis and reoperation. Compared with screw fixation, plate fixation via STA can reduce reduction loss of Bohler's angle (WMD = - 1.64, 95% CI = [- 2.96, - 0.31], P = 0.06, I2 = 59%), lower the incidence of fixation failure (OR = 0.32, 95% CI = [0.13, 0.81], P = 0.78, I2 = 0%), and decrease intra-articular step-off (WMD = - 0.52, 95% CI = [- 0.87, - 0.17], P = 0.66, I2 = 0%).
Plate fixation demonstrates superior capability in restoring calcaneal width, maintaining Bohler's angle, and minimizing intra-articular step-off, thereby maintaining better reduction of the subtalar articular surface. In addition, plate fixation exhibits the modest complication rate and a low incidence of fixation failure. Therefore, we recommend the use of plate fixation through the STA, especially for complex and comminuted intra-articular calcaneal fractures.
Zhao B
，Xu X
，Sun Q
，Liu Y
，Zhao Y
，Wang D
，Gao Y
，Zhou J
... -
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