Archives of orthopaedic and trauma surgery
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Arch Orthop Trauma Surg · Jun 2014
Reliability and validity of carpal alignment measurements in evaluating deformities of scaphoid fractures.
Several radiographic carpal alignment indices are used to evaluate the deformities of scaphoid fractures. The purpose of this study was to determine the reliabilities and validities of radiographic carpal alignment indices commonly used to evaluate deformities of scaphoid fractures. ⋯ Among radiographic carpal alignment measures, radiolunate angle is the most reliable and valid carpal alignment index for evaluating deformities of scaphoid fractures. Scapholunate and capitolunate angles could be used as an alternative, but have less validity.
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Arch Orthop Trauma Surg · Jun 2014
The effect of trochlea tilting on patellofemoral contact patterns after total knee arthroplasty: an in vitro study.
Patellofemoral complications are one major concern after total knee arthroplasty (TKA). Anterior knee pain is one of these complications and to a high percentage responsible for unsatisfied patients after TKA. Malrotation of the femoral component can contribute to retropatellar peak pressure and consequently to anterior knee pain. ⋯ The implantation of the femoral component by 3° internal trochlea rotation to transepicondylar line resulted in a highly significant increase of the mean maximal retropatellar pressure compared to 6° external rotation of the trochlea of the femoral component (p < 0.01). A higher retropatellar pressure might lead to anterior knee pain after TKA. We recommend an external rotation of the femoral component between 3° and 6° to anatomical transepicondylar line to reduce the maximal retropatellar pressure, but only if adequate soft tissue balancing and stable knee kinematics are provided.
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Arch Orthop Trauma Surg · Jun 2014
Uncemented metal-back glenoid component in revision of aseptic glenoid loosening: a prospective study of 10 cases with a minimum follow-up of 2 years.
Glenoid component loosening comprises 25 % of all complications related to total shoulder arthroplasties (TSA). This prospective study was undertaken to assess the accuracy of an uncemented metal-back glenoid component in cases of revision of aseptic glenoid loosening. ⋯ Cohort studies (prospective) without controls, Level IV.
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Arch Orthop Trauma Surg · Jun 2014
Comparative StudyComparing approaches to expose type C fractures of the distal humerus for ORIF in elderly patients: six years clinical experience with both the triceps-sparing approach and olecranon osteotomy.
Although open reduction and internal fixation (ORIF) is a standard fracture treatment method, the optimal way to expose a fracture prior to ORIF is debated. We compared the effects of two exposure methods, the triceps-sparing approach and olecranon osteotomy, on the functional outcomes of ORIF-treated type C distal humerus fractures in elderly people. ⋯ Level III.
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Arch Orthop Trauma Surg · Jun 2014
Prospective evaluation of patients with anterior cruciate ligament reconstruction using a patient-based health-related survey: comparison of acute and chronic cases.
To verify the usefulness of and optimal timing for conducting anterior cruciate ligament (ACL) reconstruction, we evaluated and compared baseline characteristics and surgical outcomes in patients with ACL injury divided into acute and chronic groups. ⋯ All evaluation methods showed significant improvements after surgery in both acute and chronic groups, confirming that ACL reconstruction is useful for both acute and chronic injuries. However, preoperative evaluations by SF-36, VAS, and Lysholm scale yielded different results in two groups, indicating the need to evaluate acute and chronic cases separately. Development of a specific evaluation method that is valid for any duration from injury to surgery is desirable.