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Orthopaedic Proceedings
Vol. 93-B, Issue SUPP_II | Pages 164 - 164
1 May 2011
Buijze G Doornberg J Ham J Ring D Bhandari M Poolman R
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Background: Traditionally, non-displaced scaphoid fractures are considered by most as stable with predictable rates of healing with conservative treatment. There is a current trend in orthopedic practice, however, to treat non- or minimal displaced fractures with early open reduction and internal fixation. This trend is not evidence based. In this systematic review and meta-analysis, we pool data from trials comparing surgical and conservative treatment for acute scaphoid fractures, thus aiming to summarize the best available evidence.

Methods: We searched the Cochrane Bone, Joint and Muscle Trauma Group Specialised Register, CENTRAL, MEDLINE, EMBASE, CINAHL and reference list of articles, and contacted researchers in the field. We selected eight randomized controlled trials comparing surgical versus conservative interventions for acute scaphoid fractures in adults. Data were pooled using fixed-effects and randomeffects models with standard mean differences (SMD) and risk ratios for continuous and dichotomous variables respectively. Heterogeneity across studies was assessed with Forest plots and calculation of the I2 statistic.

Results: Four-hundred seventeen patients were included in eight trials (205 fractures were treated surgically and 212 conservatively). Most trials lacked scientific rigor. Four studies assessed functional outcome with validated physician- and patient-based outcome instruments. With the numbers available (200 patients), we found a significant difference according to our primary outcome measure, standardized patient-based outcome in favor of surgical treatment (p< 0.0001). With regard to our secondary parameters, we found heterogeneous results that favored surgical treatment for grip strength, time to union and time off work. In contrast we found no significant differences between surgical and conservative treatment for pain, range of motion, rate of nonunion, malunion, and infection, rate of complications, and total treatment costs.

Conclusions: Patient-rated functional outcome and satisfaction as well as time to return to function favored surgical treatment for acute scaphoid fractures. However, there is no evidence from prospective randomized controlled trials on physician-rated functional outcome, radiographic outcome, complication rates and treatment costs to favor surgical or conservative treatment for acute scaphoid fractures.


Orthopaedic Proceedings
Vol. 91-B, Issue SUPP_III | Pages 472 - 472
1 Sep 2009
Buijze G Blankevoort L Kloen P
Full Access

New concepts in plate fixation have led to an evolution in plate design for olecranon fractures. The purpose of this study was

to compare the stiffness and strength of a contoured Locking Compression Plate (LCP) with a conventional plating method (one-third tubular plate) in a cadaveric comminuted olecranon fracture model with standardized osteotomy, and

to evaluate the LCP fixation method in a prospectively included group of patients with complex olecranon fractures using validated outcome scores.

In the biomechanical study, five matched pairs of cadaveric elbows were randomly assigned for fixation by either LCP or a conventional plating method. Specimens were mounted to a custom-made testing bench and subjected to cyclic loading until failure occurred while measuring gapping at the osteotomy site. In the clinical study, twenty-one patients treated with LCP for complex olecranon fractures had a mean follow up of 20 months (3–39 months) and functional and patient rated outcome were evaluated.

In the biomechanical study, there was no significant difference in fixation stiffness and strength between one third tubular plating and LCP (p > 0.05). In the clinical study, the mean time to union of the fracture was 6 months (2–28 months). According to the Mayo Elbow Performance Index (MEPI) most patients had a good or excellent outcome. No patients reported difficulty with activities of daily living. Physical capacity showed minimal loss of stability and strength. Six patients had their hardware removed.

Technical ease of application and advantageous features of the LCP -such as unicortical screw fixation and improved holding power in osteopenic bone- make it a good alternative implant for comminuted olecranon fractures.