Archives of orthopaedic and trauma surgery
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Arch Orthop Trauma Surg · Jan 2012
Cup positioning in total hip arthoplasty: spatial alignment of the acetabular entry plane.
Correct cup positioning is one of the keys for successful total hip replacement. There are mechanical and computer assistant guides for correct cup positioning in the market. To optimize the cup positioning, the use of navigation systems is recommended. The aim of this study was to compare spatial orientation of the acetabulary entry plane in relation to tables plane which is used by mechanical guides as well as anterior pelvic plane used for cup orientation by navigation systems. ⋯ The use of mechanical alignment guides for cup orientation during total hip arthroplasty based on table's plane in patient's supine position is a successful method to achieve proper cup orientation.
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Arch Orthop Trauma Surg · Jan 2012
Comparative StudyComparison between conservative and surgical treatment in Perthes disease.
The purpose of this study was to compare the results of conservative and surgical treatment in a homogeneous group constituted by patients between 6 and 8 years of age at onset of the Perthes disease with Herring B involvement. ⋯ Non-surgical treatment with a brace is a reliable alternative to surgical treatment in Perthes disease between 6 and 8 years of age at onset with Herring B involvement. However, we could not know whether the good results were influenced by the brace or stemmed from having good prognosis of these patients.
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Arch Orthop Trauma Surg · Jan 2012
Short reconstruction nail for intertrochanteric fracture: does it really fit Asian feature?
The Trigen short reconstruction trochanteric antegrade nail (TAN) is considered most suitable for the small skeletons of Asian patients. We have evaluated the results of TAN for intertrochanteric fractures in Asian patients. ⋯ Despite the theoretically better design of TAN and the healing of most fractures and good activity at last follow-up, poor reduction and coxa vara caused by insertion of the nail could not be completely avoided, and the design of the distal part of the nail had the potential to cause femoral shaft fracture. Future improvements are necessary to enable the use of this system in Asians.
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Arch Orthop Trauma Surg · Jan 2012
Randomized Controlled Trial Comparative StudyClinical outcome after Chevron-Akin double osteotomy versus isolated Chevron procedure: a prospective matched group analysis.
Hallux valgus is a frequent condition of the forefoot, resulting in cosmetic deformity and pain. Chevron osteotomy (CO) is widely employed for the treatment of hallux valgus. Chevron-Akin double osteotomy (CAO) was previously described and superiority over an isolated Chevron procedure was assumed. The objective of this study was to compare the short-to-middle term outcomes of CO and CAO. ⋯ These findings indicate that Chevron-Akin double osteotomy is a save and practicable procedure for the treatment of mild-to-moderate hallux valgus. Superiority of combined Chevron-Akin procedure over an isolated Chevron osteotomy might be limited to distinct clinical settings, but should not be generally assumed.
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Arch Orthop Trauma Surg · Jan 2012
Comparative Study Clinical TrialCushion bearings versus large diameter head metal-on-metal bearings in total hip arthroplasty: a short-term metal ion study.
Metal-on-metal total hip arthroplasty (MOM THA) has the advantage of replicating the femoral head size, but the postoperative elevation of serum metal ion levels is a cause for concern. Metal-on-polycarbonate-urethane is a new cushion bearing featuring a large diameter metal head coupled with a polycarbonate-urethane liner. ⋯ These findings warrant the continued clinical study of compliant bearing options.