TRAUMA
A comparison between orthogonal and parallel plating methods for distal humerus fractures: a prospective randomized trial
OrthoEvidence Journal (OE Journal) - ACE Report
OE Journal. 2013;1(16):51 Eur J Orthop Surg Traumatol. 2013 Aug 7.72 patients with Type C distal humerus fractures were included in this trial and scheduled for treatment using a double-plating surgery. Patients were then randomized to two different plating groups to compare an orthogonal pattern with a locking compression distal humerus plate and a parallel plating pattern. Both plating methods utilized anatomically precontoured plates. At final follow-up there were no non-unions observed in either group. Pain, functional outcomes, complications and heterotrophic ossification rates were similar between the two groups. The results of this study did not identify any advantage of one plating method over another.
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
3/4
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?
Distal humeral fractures can be treated in a number of different ways. Previous investigations have demonstrated that double plate fixation provides adequate stability. Typically this treatment involves two plates placed perpendicular to each other to secure the fractured bone; however stable fixation can also be achieved with a parallel plating method. Currently there is a lack of clinical trials comparing outcomes between orthogonal and parallel plating methods using preconditioned distal humerus plates. This study was required to compare theses differing surgical plating option for the treatment of distal humeral fractures.
Was war die wichtigste Forschungsfrage?
Does a parallel plating method yield higher success in clinical and radiological outcomes than the standard orthogonal plating method for operating on distal humeral fractures?
Was waren die wichtigsten Ergebnisse?
- Complications such as ulnar neuropathy, metal failure, and infection occurred regardless of which plating method was used (p>0.05).
- 8 patients in the orthogonal plating group and 13 patients in the parallel plating group needed hardware removal (mean removal date 1.8 +/- 0.6 years after surgery).
- No nonunions were found in any patients (p=1.00).
- Operation time (p=0.68) and the time it took for bony union to form were very similar in both groups (p=0.62).
- There were no differences found in final clinical outcomes including MEPS, DASH, VAS, or elbow ROM scores (p>0.05).
- Heterotrophic ossification occurred in 3 orthogonal plating patients and 2 parallel plating patients (p=0.55).
Was sollte ich mir besonders merken?
Double-plating surgery with precontoured anatomical plates is equally effective when using orthogonal or parallel plating methods based on clinical and radiographic outcomes measured every 3 months for over 2 years.
Wie wird sich dies auf die Behandlung meiner Patienten auswirken?
Patients treated for Type C distal humerus fractures undergoing double-plate fixation surgery experienced the same clinical and radiographic outcomes regardless of the plating method used. Further research is required to determine the functional outcomes associated with each method and to examine different plating methods to treat specific fracture patterns.
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