Single locked plate vs. dual buttress plating for bicondylar tibial plateau fractures .
OrthoEvidence Journal (OE Journal) - ACE Report
OE Journal. 2025;13(3):40 Knee. 2015 Jun;22(3):225-986 patients with bicondylar tibial plateau fracture with a relatively intact medial tibial condyle were randomized to receive surgical treatment with either a single lateral locking plate (LP) or dual buttress plates (DP). The purpose of this study was to compare clinical and radiographical outcomes between fixation methods over a minimum of 12 months postoperatively. While the incidence of delayed union was significantly lower in the LP group compared to the DP group, no patient experienced non-union. All other clinical, functional and radiographic outcomes were similar between groups, as well as the incidence of infection. Surgical parameters, such as operative time, blood loss, and hospital stay, were better in the LP group compared to the DP group.
Was the allocation sequence adequately generated?
Was allocation adequately concealed?
Blinding Treatment Providers: Was knowledge of the allocated interventions adequately prevented?
Blinding Outcome Assessors: Was knowledge of the allocated interventions adequately prevented?
Blinding Patients: Was knowledge of the allocated interventions adequately prevented?
Was loss to follow-up (missing outcome data) infrequent?
Are reports of the study free of suggestion of selective outcome reporting?
Were outcomes objective, patient-important and assessed in a manner to limit bias (ie. duplicate assessors, Independent assessors)?
Was the sample size sufficiently large to assure a balance of prognosis and sufficiently large number of outcome events?
Was investigator expertise/experience with both treatment and control techniques likely the same (ie.were criteria for surgeon participation/expertise provided)?
Ja = 1
Ungewiss = 0.5
Nicht relevant = 0
Nein = 0
Die Bewertung der Berichtskriterien bewertet die Transparenz, mit der die Autoren die methodischen und studienspezifischen Merkmale der Studie in der Veröffentlichung angeben. Die Bewertung ist in fünf Kategorien unterteilt, die im Folgenden vorgestellt werden.
3/4
Randomization
3/4
Outcome Measurements
4/4
Inclusion / Exclusion
4/4
Therapy Description
4/4
Statistics
Detsky AS, Naylor CD, O'Rourke K, McGeer AJ, L'Abbé KA. J Clin Epidemiol. 1992;45:255-65
Der Fragilitätsindex ist ein Instrument, das bei der Interpretation signifikanter Ergebnisse hilft und ein Maß für die Stärke eines Ergebnisses liefert. Der Fragilitätsindex gibt die Anzahl der aufeinanderfolgenden Ereignisse an, die zu einem dichotomen Ergebnis hinzugefügt werden müssen, damit das Ergebnis nicht mehr signifikant ist. Eine kleine Zahl steht für ein schwächeres Ergebnis und eine große Zahl für ein stärkeres Ergebnis.
Warum wurde diese Studie jetzt benötigt?
Bicondylar tibial plateau fractures continue to present a challenge to orthopedic surgeons due to their complexity, often as a result of a motor vehicle accident. Plate fixation is often used in the management of such injuries. Dual buttress plate fixation has been cited as advantageous with respect to fixation stability, but concerns with this method include soft-tissue healing and periosteal blood supply. This has led to interest in the use of a single locking plate for fracture fixation, though there are concerns with reduction quality and stability with this fixation method, particularly in cases with severe comminution or unstable medial condyle. It is suggested in cases of a relatively intact medial condyle without comminution, single locking plate fixation may offer a viable alternative. This study sought to compare the efficacy of the described fixation techniques within these specific injuries.
Was war die wichtigste Forschungsfrage?
What is the efficacy of a single lateral locking plate compared to dual buttress plate fixation in the management of bicondylar tibial plateau fractures with a relatively intact medial condyle, as assessed up to 12 months postoperatively?
- The LP group demonstrated significantly shorter operative time (120 +/- 25min vs. 150 +/- 20min; p<0.05), lower blood loss (300 +/- 28mL vs. 420 +/- 35mL; p>0.05), and shorter length of hospital stay (12.7 +/- 4.3 days vs. 18.6 +/- 2.7 days; p<0.05) compared to the DP group. The amount of time form admission to surgery did not significantly differ between groups (9.6 +/- 3.2 days vs. 10.6 +/- 3.5 days).
- There were no cases of nonunion observed in either group. The rate of delayed union was significantly lower in the LP group, as compared to the DP group (LP: 0/41; DP: 7/44; p=0.023).
- There was no significant difference in mean time to union between the LP and DP group (13.2 +/- 2.0 days vs. 16.5 +/- 2.1 days).
- Rate of loss of alignment was 1/41 in the LP group and 0/44 in the DP group. Rate of loss of reduction was 1/41 in the LP group and 2/44 in the DP group.
- Two patients in the DP group developed superficial infection. No patient in either group developed deep infection.
- At 12 months, the LP and DP groups demonstrated similar HSS score (81.3 +/- 8.6 vs. 79.6 +/- 7.6) and knee range of motion (120.8 +/- 11.6deg vs. 115. 8 +/- 15.9deg).
Was sollte ich mir besonders merken?
In the fixation of bicondylar tibial plateau fractures with an intact medial condyle, a single locking plate was associated with significantly shorter operative time, lower blood loss, and shorter length of hospital stay when compared to dual buttress plate fixation. Comparable results between groups were observed for clinical, functional, and radiographical outcomes and complications when assessed over a minimum of 12 months postoperatively, with the exception of incidence of delayed union, which was significantly lower following single locking plating fixation.
Wie wird sich dies auf die Behandlung meiner Patienten auswirken?
The results of this study suggest that in the particular case of bicondylar tibial plateau fractures with an intact medial condyle, a single locking plate may offer similar results to dual buttress plate fixation, while possibly being advantageous with respect to operating time and hospital stay. Further studies with larger sample sizes are required to verify the current results.
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