Summary Background Reoperation rates are high after surgery for hip fractures. We investigated the effect of a sliding hip screw versus cancellous screws on the risk of reoperation and other key outcomes. Methods For this international, multicentre, allocation concealed randomised controlled trial, we enrolled patients aged 50 years or older with a low-energy hip fracture requiring fracture fixation from 81 clinical centres in eight countries. Patients were assigned by minimisation with a centralised computer system to receive a single large-diameter screw with a side-plate (sliding hip screw) or the present standard of care, multiple small-diameter cancellous screws. Surgeons and patients were not blinded but the data analyst, while doing the analyses, remained blinded to treatment groups. The primary outcome was hip reoperation within 24 months after initial surgery to promote fracture healing, relieve pain, treat infection, or improve function. Analyses followed the intention-to-treat principle. This study was registered with ClinicalTrials.gov, number NCT00761813. Findings Between March 3, 2008, and March 31, 2014, we randomly assigned 1108 patients to receive a sliding hip screw (n=557) or cancellous screws (n=551). Reoperations within 24 months did not differ by type of surgical fixation in those included in the primary analysis: 107 (20%) of 542 patients in the sliding hip screw group versus 117 (22%) of 537 patients in the cancellous screws group (hazard ratio [HR] 0.83, 95% CI 0.63–1.09; p=0.18). Avascular necrosis was more common in the sliding hip screw group than in the cancellous screws group (50 patients [9%] vs 28 patients [5%]; HR 1.91, 1.06–3.44; p=0.0319). However, no significant difference was found between the number of medically related adverse events between groups (p=0.82; appendix); these events included pulmonary embolism (two patients [<1%] vs four [1%] patients; p=0.41) and sepsis (seven [1%] vs six [1%]; p=0.79). Interpretation In terms of reoperation rates the sliding hip screw shows no advantage, but some groups of patients (smokers and those with displaced or base of neck fractures) might do better with a sliding hip screw than with cancellous screws. Funding National Institutes of Health, Canadian Institutes of Health Research, Stichting NutsOhra, Netherlands Organisation for Health Research and Development, Physicians’ Services Incorporated.
The modified Judet approach allows for excellent scapular and glenoid fracture visualization and reduction while preserving rotator cuff function. Minifragment fixation along the lateral scapular border provides excellent plate position, screw length, and fracture stability.
Therapeutic Level IV. See Instructions for Authors for a complete description of levels of evidence.
Background Anatomic reduction of some displaced pediatric supracondylar humerus fractures is not attainable via closed manipulation, thus necessitating open reduction. Open reduction has been associated with increased complications, including elbow stiffness, scarring, iatrogenic neurovascular injury, and longer hospital stays. Using a Schanz pin to aid in closed reduction may decrease the need for conversion to an open procedure, possibly reducing morbidity. Description of Technique A percutaneously placed 2.5-mm Schanz pin was drilled into the posterior humeral diaphysis and used as a joystick to reduce anterior and posterior, varus and valgus, and rotational deformity. The fracture then was stabilized with 0.62-mm K-wires placed under fluoroscopy and the Schanz pin then was removed. Methods We retrospectively reviewed all displaced pediatric supracondylar humerus fractures treated by one surgeon from March 2002 through December 2010, with 143 fractures meeting criteria for inclusion. These fractures then were divided into two groups. Group 1 (90 fractures) included fractures treated before implantation of the Schanz pin. In this group, if successful reduction could not be achieved via closed manipulations, a formal open reduction was performed. In Group 2, (53 fractures) the Schanz pin technique was used to assist with reduction of fractures that were not reduced successfully by closed manipulations. All fractures were stabilized with the 0.62-mm K-wires after the reductions. To equalize group size, the 37 most remote fractures in Group 1 were removed, leaving a final 53 fractures in each group for analysis. Demographics, injury data, operative technique, complications, and radiographic reduction were analyzed. The minimum followup for both groups was 3.3 weeks (average, 13 weeks; range, 3.3-130 weeks). Results Fewer fractures in Group 2 (one of 53, 1.9%) compared with Group 1 (seven of 53, 13%) underwent open reduction. Ten fractures in Group 2 underwent the Schanz pin technique, and none of these had open reductions. We found no difference between the groups concerning fracture alignment at final followup or postoperative complications.
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