Which fixation produces the best outcome for distal femoral fractures? Meta-analysis and systematic review of retrograde nailing versus distal femoral plating in 2432 patients and 33 studies
- Authors
- Kim, Han Soul; Yoon, Yong-Cheol; Lee, Sang-Jin; Sim, Jae Ang
- Issue Date
- Jun-2024
- Publisher
- SPRINGER HEIDELBERG
- Keywords
- Distal femoral fracture; Retrograde intramedullary nailing; Distal femoral plating; Systemic review; Meta-analysis
- Citation
- EUROPEAN JOURNAL OF TRAUMA AND EMERGENCY SURGERY, v.50, no.3, pp 763 - 780
- Pages
- 18
- Journal Title
- EUROPEAN JOURNAL OF TRAUMA AND EMERGENCY SURGERY
- Volume
- 50
- Number
- 3
- Start Page
- 763
- End Page
- 780
- URI
- https://scholarworks.bwise.kr/gachon/handle/2020.sw.gachon/92163
- DOI
- 10.1007/s00068-023-02393-8
- ISSN
- 1863-9933
1863-9941
- Abstract
- Purpose The distal femur comprises a wide intramedullary cavity and thin cortical bone. Firm internal fixation of comminuted fractures with displacement is challenging. Although many comparative studies have reported retrograde intramedullary nailing (RIN) and distal femoral plating (DFP) as the usual fixation methods for distal femoral fractures, no clear conclusion has been reached. Therefore, a meta-analysis and systematic review of the clinical and radiological results were conducted to determine the appropriate treatment method for distal femoral fractures.Methods A systematic search of the PubMed, Embase, Scopus, and Cochrane Library databases from their inception to December 19, 2022, was performed using predefined criteria. Studies comparing the effects of RIN and DFP were considered. The analyzed outcome measures included duration of surgery, blood loss, time to union, delayed union, nonunion, malalignment, implant failure, infection, reoperation, limb length discrepancy, range of motion, persistent anterior knee pain, knee stiffness, and functional scores. Meta-analysis of pooled data was conducted using a random-effects model to determine the standard mean difference (SMD) or odds ratio (OR) with 95% confidence intervals (CIs).Results Thirty-three studies with 2,432 patients were included. Compared to DFP, RIN was associated with a shorter time to fracture union (SMD, 1.83 months; 95% CI - 2.76 to - 0.90; P < 0.001) and a lower incidence of postoperative infection (OR 0.54; 95% CI 0.31-0.94; P = 0.03). Pooled analysis revealed no significant differences in other outcome measures between the two treatment modalities.Conclusion In distal femoral fractures, RIN had a shorter bone union time and was more resistant to infection than DFP. However, there were no significant differences in the other clinical parameters. Therefore, the characteristics, strengths, and weaknesses of RIN and DFP should be carefully identified, and appropriate treatment should be provided based on the patient's medical condition and fracture pattern.
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