Abstract:
:Diagnosis of avascular necrosis (AVN) of the femoral head depends on the combination of clinical symptoms and evaluation of radiographs and/or magnetic resonance imaging (MRI). To evaluate the evolution of AVN, the Ficat and the Association Research Circulation Osseous (ARCO) classification are commonly used to assess both imaging modalities. For comparison reasons, these classifications need to be reliable and reproducible to provide sufficient therapy options for the patient. Therefore, the aim of our study was to evaluate the interobserver reliability and the intraobserver reproducibility of these classifications. Patients with suspected AVN were examined using either radiographs or radiographs and MRI. The radiographs and/or MR images were reviewed initially and at 3 months by two general orthopaedic surgeons, two orthopaedic residents, and two general radiologists using the Ficat classification for radiographs and MR images as well as the ARCO classification for MR images only. In all, 38 patients (54 hips) were enrolled. There were 10 patients who presented with radiographs and 28 patients with radiographs and MR scans. Paired comparisons revealed a mean interobserver kappa reliability coefficient of 0.39 for the first and of 0.32 for the second review using the Ficat classification for radiographs, whereas for the MR images a mean of 0.39 in the first and of 0.34 in the second reading resulted. The MRI evaluation using the ARCO classification resulted in a mean interobserver reliability coefficient of 0.37 in the first and of 0.31 in the second reading. The mean kappa value for intraobserver reproducibility using the Ficat classification was 0.52 for radiographs and 0.50 for MR images, whereas a reproducibility of 0.43 resulted for the ARCO classification. This study showed poor interobserver reliability and fair intraobserver variability, diminishing any meaningful comparison of studies using the Ficat as well as the ARCO classification. Thus, the Ficat and ARCO staging systems are still not sufficient to reliably assess the status of AVN alone.
journal_name
Int Orthopjournal_title
International orthopaedicsauthors
Schmitt-Sody M,Kirchhoff C,Mayer W,Goebel M,Jansson Vdoi
10.1007/s00264-007-0320-2subject
Has Abstractpub_date
2008-06-01 00:00:00pages
283-7issue
3eissn
0341-2695issn
1432-5195journal_volume
32pub_type
杂志文章abstract:INTRODUCTION:Talus fractures are not uncommon and one of the serious fractures in the foot and ankle. Peroneal tendon dislocation is one of the commonly missed soft tissue injuries which may have significant impact on the outcomes including persistent pain and swelling. They have been reported to be associated with cal...
journal_title:International orthopaedics
pub_type: 杂志文章
doi:10.1007/s00264-020-04534-9
更新日期:2020-05-01 00:00:00
abstract:PURPOSE:The aim of our study was to evaluate the effect of the S3 (spatial subchondral support) humeral plate and to compare the clinical outcomes and complications after ORIF (open reduction and internal fixation) of proximal humeral fractures using either a S3 plate or a PHLP (proximal humeral locking plate). METHOD...
journal_title:International orthopaedics
pub_type: 杂志文章
doi:10.1007/s00264-015-2705-y
更新日期:2015-06-01 00:00:00
abstract:PURPOSE:Relatively little is known about the extent to which periprosthetic joint infections (PJI) affect the patient's long-term quality of life (QoL). Our study aim was to assess the effect of a periprosthetic infection on our patients' QoL. METHODS:We collected data retrospectively of patients who had undergone sur...
journal_title:International orthopaedics
pub_type: 杂志文章
doi:10.1007/s00264-013-2265-y
更新日期:2014-05-01 00:00:00
abstract::Computer-assisted surgery (CAS) in total knee arthroplasty (TKA) could be useful in reducing the overall blood loss. A prospective randomised study was performed with two groups of 50 patients each of whom were treated for knee arthritis. Patients of group A were treated by a conventional standard procedure, while for...
journal_title:International orthopaedics
pub_type: 杂志文章,随机对照试验
doi:10.1007/s00264-008-0651-7
更新日期:2009-12-01 00:00:00
abstract::A series of 49 pilon fractures in a tertiary referral centre treated definitively by open reduction and internal fixation have been assessed and the complications of such injuries examined. A retrospective analysis of case notes, radiographs and computerised tomographs over a seven-year period from 1999-2006 was perfo...
journal_title:International orthopaedics
pub_type: 杂志文章
doi:10.1007/s00264-010-1005-9
更新日期:2011-03-01 00:00:00
abstract:PURPOSE:This study aims to evaluate (1) the probability to achieve normal pelvic radiographs in children with developmental dysplasia of the hip (DDH) treated by closed reduction and (2) the amount of time needed to achieve normal pelvic radiographs and to assess what factors influence both probability and time to achi...
journal_title:International orthopaedics
pub_type: 杂志文章,多中心研究
doi:10.1007/s00264-020-04479-z
更新日期:2020-03-01 00:00:00
abstract:PURPOSE:To assess functional outcomes in patients undergoing total knee arthroplasty (TKA) without previous corrective osteotomy for treatment of knee osteoarthritis associated with extra-articular deformity. METHODS:From January to December 2016, patients with knee osteoarthritis with extra-articular deformities who ...
journal_title:International orthopaedics
pub_type: 杂志文章
doi:10.1007/s00264-018-4147-9
更新日期:2019-09-01 00:00:00
abstract:PURPOSE:Information on Magnetic Resonance (MR) features of active and healed lesions in tuberculosis (TB) spine are lacking. We evaluated MRI findings in active and healed proven TB spine to establish the diagnostic features. MATERIALS AND METHOD:Forty-nine consecutive spinal TB patients (20 male; 29 female) diagnosed...
journal_title:International orthopaedics
pub_type: 杂志文章
doi:10.1007/s00264-011-1380-x
更新日期:2012-02-01 00:00:00
abstract::Adduction of the forefoot diagnosed in the young child generally corrects spontaneously. Resistant forefoot adduction is usually combined with a degree of supination of the forefoot and described as congenital metatarsus varus. In true congenital metatarsus varus there is a contraction or shortening of the abductor ha...
journal_title:International orthopaedics
pub_type: 杂志文章
doi:10.1007/BF00266025
更新日期:1980-01-01 00:00:00
abstract:PURPOSE:The aim of this study was to compare total knee arthroplasty (TKA) procedures between different countries with regard to epidemiological data and surgical technique by reference to the worldwide arthroplasty registers. METHODS:A systematic search was carried out using the EFORT website to identify the relevant...
journal_title:International orthopaedics
pub_type: 杂志文章
doi:10.1007/s00264-013-1933-2
更新日期:2013-08-01 00:00:00
abstract:PURPOSE:Computed tomography (CT) is widely used to assess component rotation in patients with poor results after total knee arthroplasty (TKA). The purpose of this study was to simultaneously determine the accuracy and reliability of CT in measuring TKA component rotation. METHODS:TKA components were implanted in dry-...
journal_title:International orthopaedics
pub_type: 杂志文章
doi:10.1007/s00264-015-2917-1
更新日期:2016-04-01 00:00:00
abstract:PURPOSE:Although there are various new scaffold-based techniques for cartilage regeneration it remains unclear up to which defect size they can be used. The present study reports of a cell-free collagen type I gel matrix for the treatment of large cartilage defects of the knee after a two-year follow-up. METHODS:Twent...
journal_title:International orthopaedics
pub_type: 杂志文章
doi:10.1007/s00264-015-2695-9
更新日期:2015-12-01 00:00:00
abstract:INTRODUCTION:There is no evidence that anatomically correct anterior cruciate ligament reconstruction (ACLR) offers lower rate of degenerative changes development or that it would lead to a better outcome. The significance and understanding of the abnormal anterior tibial translation (ATT) in ACLR patients is yet to be...
journal_title:International orthopaedics
pub_type: 杂志文章
doi:10.1007/s00264-016-3386-x
更新日期:2017-04-01 00:00:00
abstract::Twenty-one patients with patellar symptoms had arthroscopic treatment. Symptoms included frank patellar clunk and painful patellofemoral crepitus. All patients had posterior stabilized total knee replacement (TKR). The average onset of symptoms following TKR was 17 (range 3-75) months. All patients were referred to ph...
journal_title:International orthopaedics
pub_type: 杂志文章
doi:10.1007/s00264-002-0347-3
更新日期:2002-01-01 00:00:00
abstract::Patients who cannot walk, particularly those with orthopaedic deformities, need more than a simple wheelchair; they require a special seating system. Since the early 1970's many different systems have been introduced to the field of orthotics and prescribed through "Seating Clinics" in many centres in North America an...
journal_title:International orthopaedics
pub_type: 杂志文章
doi:10.1007/BF00266517
更新日期:1985-01-01 00:00:00
abstract::We reviewed a consecutive series of 19 patients with comminuted periprosthetic fractures, loosening of the femoral stem (Vancouver type B3) and significant loss of bone stock (Paprosky type III and IV). Sixteen porous-coated long stems and three Exeter stems, all with impaction grafting, were used. Large femoral onlay...
journal_title:International orthopaedics
pub_type: 杂志文章
doi:10.1007/s00264-002-0423-8
更新日期:2003-01-01 00:00:00
abstract:PURPOSE:Forty patients were enrolled in a prospective randomised study using conventional method or "Trabecular Metal Cone" (TM Cone) (Zimmer inc., Warsaw, USA) for reconstruction of bone loss of the proximal tibia during revision total knee arthroplasty (rTKA). The aim was to evaluate changes in bone mineral density (...
journal_title:International orthopaedics
pub_type: 杂志文章,随机对照试验
doi:10.1007/s00264-012-1601-y
更新日期:2012-09-01 00:00:00
abstract::The objective was to assess whether time to diagnosis is influenced by patient/tumour-related factors and whether or not duration of symptoms has any impact on survival in soft tissue sarcoma. The study was an analysis of prospectively collected data for patients treated at our centre over a 20-year period. Risk facto...
journal_title:International orthopaedics
pub_type: 杂志文章
doi:10.1007/s00264-007-0319-8
更新日期:2008-06-01 00:00:00
abstract::Postoperative infection is a regular complication in coccygectomy. The authors propose the use of a topical skin adhesive on the postoperative wound as a contribution to the prevention of this complication. It was used on the first 56 patients in this study. The rate of infection was 3.6% compared with the 14% rate of...
journal_title:International orthopaedics
pub_type: 杂志文章
doi:10.1007/s00264-010-1058-9
更新日期:2011-06-01 00:00:00
abstract::Bone lengthening is a surgical method which requires meticulous technique, continuous attention, and satisfactory cooperation on the part of the patient. The absence of common criteria makes it difficult both to classify the complications which arise, and to compare them with those of other authors. We report the comp...
journal_title:International orthopaedics
pub_type: 杂志文章
doi:10.1007/BF00180230
更新日期:1994-10-01 00:00:00
abstract:BACKGROUND:Heterotopic ossification (HO) may lead to complete elbow ankylosis, resulting in severe disability. The prognostic factors that may be valuable in guiding treatment of this condition have not yet been evaluated. The goals of this study were to describe the outcomes of open release for ankylosed elbow caused ...
journal_title:International orthopaedics
pub_type: 杂志文章
doi:10.1007/s00264-016-3395-9
更新日期:2017-08-01 00:00:00
abstract:PURPOSE:Several factors affect injury types in childhood. The aim of the study was to evaluate the musculoskeletal injury types, treatment modalities, and demographic characteristics of refugee children and to reveal the differences from native children. METHODS:A total of 1297 patients (897 females, 400 males) treate...
journal_title:International orthopaedics
pub_type: 杂志文章
doi:10.1007/s00264-021-04950-5
更新日期:2021-01-23 00:00:00
abstract::A series of 199 total hip arthroplasties was performed using a porous-coated, hemispherical press-fit acetabular cup. At a mean follow-up of 91.5 months 158 cups were available for clinical and radiological review. The mean age of the patients at the time of the index arthroplasty was 62.5 years. The mean Harris Hip s...
journal_title:International orthopaedics
pub_type: 杂志文章
doi:10.1007/s002640100265
更新日期:2001-01-01 00:00:00
abstract::Fractures around a femoral prosthesis have been treated with plating and additional cement, but this leads to further reduction of bone stock in the proximal femur. Since February 1992, we have dealt with this problem in 12 patients by revision using a long uncemented stem and distal interlocking combined with homolog...
journal_title:International orthopaedics
pub_type: 杂志文章
doi:10.1007/s002640050112
更新日期:1997-01-01 00:00:00
abstract:PURPOSE:The deltopectoral approach is a common surgical procedure for shoulder arthroplasty. Many surgeons are familiar with this procedure, but certain steps are still controversial. This is the case for the management of subscapularis, where surgeons must choose between tenotomy and the lesser tuberosity osteotomy. ...
journal_title:International orthopaedics
pub_type: 杂志文章
doi:10.1007/s00264-014-2654-x
更新日期:2015-02-01 00:00:00
abstract:PURPOSE:The purpose of this study was to determine if a new titanium cup with increased porosity resulted in different periacetabular bone loss and migration compared to a porous coated cup. METHODS:Fifty-one patients with primary hip osteoarthritis were randomized to either a cup with porous titanium construct backsi...
journal_title:International orthopaedics
pub_type: 杂志文章,随机对照试验
doi:10.1007/s00264-014-2571-z
更新日期:2015-05-01 00:00:00
abstract::In 16 patients with ulnar wrist pain, we performed primary arthroscopic or open repair of the peripheral rim tears of the triangular fibrocartilage complex (TFCC) (14 ulnar, 4 volar, and 3 radial tears). The wrist function was assessed before and 1 year after the repair using the Mayo-modified wrist score. The average...
journal_title:International orthopaedics
pub_type: 杂志文章
doi:10.1007/s002640100285
更新日期:2001-01-01 00:00:00
abstract:PURPOSE:The aim of this study was to investigate whether short-arm fiberglass cast (SAC) immobilization provides fracture stabilization comparable to that of long-arm cast (LAC) treatment of displaced distal forearm fractures after closed reduction in paediatric patients. METHODS:A prospective, randomized, controlled ...
journal_title:International orthopaedics
pub_type: 杂志文章
doi:10.1007/s00264-020-04800-w
更新日期:2020-09-17 00:00:00
abstract:PURPOSE:There remains controversy as to whether computer-navigated total knee replacement (TKR) improves the overall prosthesis alignment and patient function. The aim of this study was to determine whether computer-assisted total knee arthroplasty provides superior prosthesis positioning when compared to a conventiona...
journal_title:International orthopaedics
pub_type: 杂志文章,随机对照试验
doi:10.1007/s00264-013-1996-0
更新日期:2014-02-01 00:00:00
abstract:AIM OF THE STUDY:To determine if pre-operative radiologic minimal joint space width (mJSW) is related to the outcome of total knee arthroplasty (TKA) (primary hypothesis). Likewise, the aim was to test if pre-operative mJSW is related to prosthesis survival (secondary hypothesis). METHODS:A retrospective comparative a...
journal_title:International orthopaedics
pub_type: 杂志文章
doi:10.1007/s00264-018-4185-3
更新日期:2019-08-01 00:00:00