Abstract:
INTRODUCTION:Metal-on-metal (MoM) bearings are known to release metal ions secondary to wear and corrosion. This may cause local reactions (adverse soft tissue reactions and osteolysis) and systemic effects. Little is known about the exact pattern and the differences between large head MoM total hip replacements (THA) and resurfacings (HR). QUESTIONS:(1) Is there a difference in metal ion concentrations between HR and MoM-THR using the same bearing design (Birmingham Hip Resurfacing System, Smith & Nephew, Inc. Memphis, TN, USA)? (2) Are metal ion levels changing over time in MoM-THA or HR? (3) Do acetabular inclination angle and femoral component size influence cobalt and chromium levels? Is there a correlation between clinical outcome and metal ion levels? MATERIALS AND METHODS:A retrospective analysis was conducted in 77 well functioning unilateral Birmingham HR and 42 well functioning unilateral modular Birmingham MoM-THA (Smith & Nephew, Inc. Memphis, TN, USA) operated on between 2007 and 2012. Blood samples were taken at a minimum of 13 months and subsequent during annual follow-ups. RESULTS:(1) Cobalt levels were significantly higher in MoM-THA compared to HR (p < 0.001). There was no significant difference in chromium levels (p = 0.313). (2) Cobalt is increasing over time in MoM-THA (p = 0.030) whereas metal ions remain stable in HR. (3) Metal ion levels were not affected by acetabular inclination angle and femoral component size in MoM-THA. Chromium levels correlate with the femoral component size (r = -0.240; p = 0.037), the UCLA activity score (r = -0.344; p = 0.003) and the VAS (r = 0.263; p = 0.38) in HR. CONCLUSION:Considering that HR and MoM-THA used the same MoM bearing design, increased cobalt levels may be related to trunnion wear or corrosion. Elevated cobalt levels should raise concern for corrosion related failure in MoM-THA.
journal_name
Arch Orthop Trauma Surgjournal_title
Archives of orthopaedic and trauma surgeryauthors
Renner L,Faschingbauer M,Schmidt-Braekling T,Boettner Fdoi
10.1007/s00402-016-2439-3subject
Has Abstractpub_date
2016-05-01 00:00:00pages
715-21issue
5eissn
0936-8051issn
1434-3916pii
10.1007/s00402-016-2439-3journal_volume
136pub_type
杂志文章abstract::The paper describes a rare fracture of proximal femur, classified by Delbet (Am J Surg 6:793-797, 1929) as type I (transepiphyseal type) combined with a fracture of the midshaft of ipsilateral femur in a 2-year-old child. Immediate operation with open reduction and internal fixation was successful. During the postoper...
journal_title:Archives of orthopaedic and trauma surgery
pub_type: 杂志文章,评审
doi:10.1007/s00402-005-0028-y
更新日期:2006-07-01 00:00:00
abstract::The authors present an experimental study of 30 rats, in which human dura mater preserved in glycerin was used to repair gaps in the Achilles tendon. The animals were killed 8 weeks after the surgery and evaluated by gross and microscopic examination. The results showed that the dura mater did not cause foreign-body r...
journal_title:Archives of orthopaedic and trauma surgery
pub_type: 杂志文章
doi:10.1007/BF00440572
更新日期:1990-01-01 00:00:00
abstract:BACKGROUND:At present, the best treatment for primary patellar dislocation (PPD) has not been unified. Moreover, meta-analyses comparing the non-surgical and surgical treatments of PPD are lacking. Thus, we aimed to compare the clinical efficacy of surgical or non-surgical treatment of PPD. METHODS:Randomized controll...
journal_title:Archives of orthopaedic and trauma surgery
pub_type: 杂志文章,meta分析
doi:10.1007/s00402-019-03308-2
更新日期:2020-02-01 00:00:00
abstract::We report here a paradoxical motion in unstable spondylolytic spondylolisthesis: a more forward displacement of the L5 vertebral body on the sacrum on the standing extension view than on the standing flexion view. An axial loading through the inferior articular process of the posteriorly displaced L4 on extension appe...
journal_title:Archives of orthopaedic and trauma surgery
pub_type: 杂志文章
doi:10.1007/BF00434009
更新日期:1997-01-01 00:00:00
abstract:INTRODUCTION:Controversy exists on optimal operative treatment of vertically unstable Neer IIB lateral clavicle fractures. Aim of this study was to analyse and compare clinical and radiological results and complications of locking plate osteosynthesis (LPO) versus hook plate osteosynthesis (HPO) with acromioclavicular ...
journal_title:Archives of orthopaedic and trauma surgery
pub_type: 杂志文章
doi:10.1007/s00402-017-2645-7
更新日期:2017-05-01 00:00:00
abstract::A number of complications are associated with shoulder arthroscopic surgery. However rare, respiratory complications such as pneumomediastinum and related tension pneumothorax as well as spontaneous pneumothorax in patients undergoing shoulder arthroscopy by endotracheal intubation have been reported in the literature...
journal_title:Archives of orthopaedic and trauma surgery
pub_type: 杂志文章
doi:10.1007/s00402-008-0593-y
更新日期:2009-03-01 00:00:00
abstract:INTRODUCTION:Inferior survival of cemented total hip arthroplasty has been reported after previous femoral osteotomy. The purpose of this study was to evaluate the long-term survival of uncemented stems after femoral osteotomy. MATERIALS AND METHODS:Forty-eight hips in 45 patients had undergone conversion THA for a fa...
journal_title:Archives of orthopaedic and trauma surgery
pub_type: 杂志文章
doi:10.1007/s00402-005-0800-z
更新日期:2005-06-01 00:00:00
abstract::Septic arthritis of the sternoclavicular joint is rare. Its causes have been reported to include immuno-compromizing diseases, intravenous drug abuse, fractures of the clavicle or catheterization of the subclavian vein. We report a case of septic arthritis of the SCJ in a diabetic patient following periarticular injec...
journal_title:Archives of orthopaedic and trauma surgery
pub_type: 杂志文章,评审
doi:10.1007/s00402-006-0273-8
更新日期:2008-02-01 00:00:00
abstract:PURPOSE:The purpose of this study was to evaluate the effects of different types of lateral meniscus root tears in terms of tibiofemoral contact stress. METHODS:Ten porcine knees each underwent five different testing conditions with the menisci intact, a simulated lateral posterior root tear with and without cutting t...
journal_title:Archives of orthopaedic and trauma surgery
pub_type: 杂志文章
doi:10.1007/s00402-013-1716-7
更新日期:2013-05-01 00:00:00
abstract:PURPOSE:To evaluate changes in hospital length-of-stay and time-to-operation of older hip fracture patients before and after the foundation of a co-managed Geriatric Fracture Center (GFC). METHODS:A co-managed GFC was established in a German level-1 trauma center. In a retrospective cohort study, we analyzed femoral n...
journal_title:Archives of orthopaedic and trauma surgery
pub_type: 杂志文章
doi:10.1007/s00402-013-1845-z
更新日期:2013-11-01 00:00:00
abstract::The purpose of this study was to evaluate the osteopenia in several parts of the shoulder joint in a series of individuals suffering from frozen shoulder and to elucidate the pathogenesis. The bone mineral density (BMD) was measured by dual-energy X-ray absorptiometry (DEXA). In 30 cases of frozen shoulder, 16 men and...
journal_title:Archives of orthopaedic and trauma surgery
pub_type: 杂志文章
doi:10.1007/s004020050430
更新日期:1999-01-01 00:00:00
abstract:BACKGROUND:Today the most frequently used operative procedures in advanced arthritis of the hindfoot joints are isolated talonavicular arthrodesis and double arthrodesis (involving the talonavicular and calcaneocuboid joints, i.e. the Chopart joint). This in vitro study investigates whether the fusion of the talonavicu...
journal_title:Archives of orthopaedic and trauma surgery
pub_type: 杂志文章
doi:10.1007/s00402-009-0878-9
更新日期:2010-01-01 00:00:00
abstract::The treatment of open distal tibia fractures remains challenging, particularly when the fracture is infected and involves segmental bone loss. We report the case of a 38-year-old man who sustained an open distal tibiofibular fracture with segmental bone loss and a closed proximal tibial fracture. The fractures were in...
journal_title:Archives of orthopaedic and trauma surgery
pub_type: 杂志文章
doi:10.1007/s00402-012-1523-6
更新日期:2012-08-01 00:00:00
abstract:INTRODUCTION:The aim of this study was to investigate the effect of extracorporeal shock wave therapy (ESWT) on the ultrasonographic appearance of chronically painful, proximal plantar fasciitis. MATERIALS AND METHODS:Twenty-two patients with a unilateral proximal plantar fasciitis were prospectively enrolled after un...
journal_title:Archives of orthopaedic and trauma surgery
pub_type: 临床试验,杂志文章
doi:10.1007/s00402-003-0591-z
更新日期:2005-02-01 00:00:00
abstract:PURPOSE:Anterior knee pain after total knee arthroplasty (TKA) remains a widely discussed postoperative complication. In contrast to sports traumatology, the role of the dissected medial patellofemoral ligament (MPFL) using a medial parapatellar approach in TKA has not been discussed so far. In the present study, it wa...
journal_title:Archives of orthopaedic and trauma surgery
pub_type: 杂志文章
doi:10.1007/s00402-017-2706-y
更新日期:2017-07-01 00:00:00
abstract::This case report demonstrates the importance of an exact workup in unclear neck pain. An osteoblastoma situated in the pedicule of C6 is described. During 36 months there was no diagnosis made. Only by a CT-scan a tumorous lesion in the pedicule of C6 with the histology of a benign osteoblastoma was found. The therapy...
journal_title:Archives of orthopaedic and trauma surgery
pub_type: 杂志文章
doi:10.1007/BF00934264
更新日期:1989-01-01 00:00:00
abstract::Polyethylene wear-induced osteolysis is a common complication of total hip arthroplasty. We report a case of a patient who had an extensile osteolytic lesion that presented as a tumor-like thigh mass associated with a polyethylene wear debris-induced granuloma 18 years after cementless total hip arthroplasty. The pati...
journal_title:Archives of orthopaedic and trauma surgery
pub_type: 杂志文章
doi:10.1007/s00402-009-0979-5
更新日期:2010-09-01 00:00:00
abstract:BACKGROUND:Potential adverse and unknown long-term effects as well as additional costs limit the use of BMPs (Bone morphogenetic proteins) in primary fusion procedures. However, the proven osteoinductive properties render BMPs attractive for the attempt to reach fusion of symptomatic non-unions. The aim of this study i...
journal_title:Archives of orthopaedic and trauma surgery
pub_type: 杂志文章
doi:10.1007/s00402-016-2485-x
更新日期:2016-08-01 00:00:00
abstract:INTRODUCTION:While numerous classifications of hip arthritis have been proposed, none considered the magnitude and direction of femoral head translation relative to the native acetabulum. A more precise classification of architectural hip deformities is necessary to improve preoperative templating and anticipate surgic...
journal_title:Archives of orthopaedic and trauma surgery
pub_type: 杂志文章
doi:10.1007/s00402-019-03298-1
更新日期:2020-01-01 00:00:00
abstract:BACKGROUND:The purpose of the present work is to present treatment options and our own results for patients with infected shoulder alloarthroplasties. METHODS:Twelve patients with an infected shoulder replacement were treated. Their age ranged from 56 to 82 years. Indications for surgical revision were clinical sympto...
journal_title:Archives of orthopaedic and trauma surgery
pub_type: 杂志文章
doi:10.1007/s00402-003-0497-9
更新日期:2003-06-01 00:00:00
abstract:INTRODUCTION:Entrapment of the medial heel region nerves is often mentioned as a possible cause of heel pain. Some authors have suggested that the medial and inferior calcaneal nerves may be involved in such heel pain, including plantar fasciitis, heel pain syndrome and fat pad disorders. The aim of this study was to g...
journal_title:Archives of orthopaedic and trauma surgery
pub_type: 杂志文章
doi:10.1007/s00402-005-0088-z
更新日期:2006-01-01 00:00:00
abstract:BACKGROUND:The shoulder is the joint most prone to dislocating in the human body and accounts for 45% of all dislocations. In addition to ruptures of the soft tissue and bony injuries, lesions to vascular structures as well as the brachial plexus and its corresponding nerves might occur. With an incidence of up to 65%,...
journal_title:Archives of orthopaedic and trauma surgery
pub_type: 杂志文章,多中心研究
doi:10.1007/s00402-020-03348-z
更新日期:2020-09-01 00:00:00
abstract:INTRODUCTION:The study objective was to ascertain the incidence of bleeding and ischemic complications related to acute and planned orthopedic surgery in patients with known cardiovascular diseases. MATERIALS AND METHODS:The study conducted between 2010 and 2013 enrolled 477 patients (289 women, 188 men) with a diagno...
journal_title:Archives of orthopaedic and trauma surgery
pub_type: 临床试验,杂志文章
doi:10.1007/s00402-016-2468-y
更新日期:2016-07-01 00:00:00
abstract::We wanted to prove the hypothesis that calcified deposits within the rotator cuff tendons are merely an epiphenomenon of complex morphological alterations in the shoulders of patients with shoulder pain and dysfunction. The shoulders of 92 patients with calcified deposits within the rotator cuff tendons as noted on pl...
journal_title:Archives of orthopaedic and trauma surgery
pub_type: 杂志文章
doi:10.1007/s004020000255
更新日期:2001-07-01 00:00:00
abstract::For the athlete a stress fracture of the great toe sesamoid is an injury of fundamental significance. As radiographic findings and bone scintigraphy are not specific, these fractures have the longest delay between first symptoms and definitive diagnosis. Apart from magnetic resonance imaging, the only accurate investi...
journal_title:Archives of orthopaedic and trauma surgery
pub_type: 杂志文章
doi:10.1007/BF00420264
更新日期:1993-01-01 00:00:00
abstract:INTRODUCTION:Little is known about peripheral rim instability (PRI) of adult discoid lateral meniscus (DLM). We compared PRI of the intact DLM (iDLM) to those of intact normal lateral meniscus (LM) in adult patients and also investigated whether there was any association between PRI and DLM tears. MATERIALS AND METHOD...
journal_title:Archives of orthopaedic and trauma surgery
pub_type: 杂志文章
doi:10.1007/s00402-018-2987-9
更新日期:2018-12-01 00:00:00
abstract::The view that subjective complaints rather than "objective" measurements decide on whether to consult the doctor or allow for an intervention to be carried out, should contribute to the decision-making process. This is especially true in diseases with multiple joint impairments. Although a variety of patient self-asse...
journal_title:Archives of orthopaedic and trauma surgery
pub_type: 杂志文章
doi:10.1007/s00402-008-0718-3
更新日期:2009-01-01 00:00:00
abstract:INTRODUCTION:Porcine flexor tendons, bovine extensor tendons, and human (semitendinosus) tendons are frequently used as substitutes for human ACL grafts in biomechanical in vitro studies. This study compares the biomechanical properties and structural differences of these tendons. MATERIALS AND METHODS:In this biomech...
journal_title:Archives of orthopaedic and trauma surgery
pub_type: 杂志文章
doi:10.1007/s00402-016-2529-2
更新日期:2016-10-01 00:00:00
abstract:INTRODUCTION:In the proximal femoral metaphysis, hematopoietic marrow is predominant during the adult stage of life. The conversion of hematopoietic marrow to fatty marrow in the proximal femoral metaphysis has been suggested as an etiologic factor of ischemia in the pathogenesis of femoral head osteonecrosis. To deter...
journal_title:Archives of orthopaedic and trauma surgery
pub_type: 杂志文章
doi:10.1007/s00402-005-0824-4
更新日期:2005-07-01 00:00:00
abstract:INTRODUCTION:Ring fixation of C1 can be performed using pedicle screws and a rod in case of unstable Jefferson or lateral mass fractures of C1. MATERIALS AND METHODS:In a case series of three patients, we stabilized C1 fractures surgically using a modified technique of C1 ring fixation by using monoaxial instead of po...
journal_title:Archives of orthopaedic and trauma surgery
pub_type: 杂志文章
doi:10.1007/s00402-017-2737-4
更新日期:2017-09-01 00:00:00