- Comparison of the responsiveness of the Harris Hip Score with generic measures for hip function in osteoarthritis of the hip
H L Hoeksma
Leyenburg Hospital, The Hague, The Netherlands
Ann Rheum Dis 62:935-8. 2003
..To compare responsiveness of the Harris Hip Score with generic measures (that is, the Short Form-36 (SF-36), and a test of walking speed and pain during walking) in patients with osteoarthritis (OA) of the hip...
- Hip contact forces and gait patterns from routine activities
Biomechanics Laboratory, Benjamin Frunklin School of Medicine, Free University of Berlin, Hindenburgdamm 30, 12203, Berlin, Germany
J Biomech 34:859-71. 2001
In vivo loads acting at the hip joint have so far only been measured in few patients and without detailed documentation of gait data. Such information is required to test and improve wear, strength and fixation stability of hip implants...
- Incidence of severe knee and hip osteoarthritis in relation to different measures of body mass: a population-based prospective cohort study
L S Lohmander
Department of Orthopedics, Clinical Sciences Lund, Lund University, Lund, Sweden
Ann Rheum Dis 68:490-6. 2009
..To determine in a prospective population-based cohort study relationships between different measures of body mass and the incidence of severe knee and hip osteoarthritis defined as arthroplasty of knee or hip due to osteoarthritis...
- Recovery in mechanical muscle strength following resurfacing vs standard total hip arthroplasty - a randomised clinical trial
Orthopaedic Research Unit, Dept of Orthopaedic Surgery and Traumatology, Odense University Hospital, Inst of Clinical Research, University of Southern Denmark, Denmark
Osteoarthritis Cartilage 19:1108-16. 2011
- Early migration characteristics of a hydroxyapatite-coated femoral stem: an RSA study
Orthopaedic Unit, Repatriation General Hospital, Adelaide, South Australia, Australia
Int Orthop 35:483-8. 2011
..The results from this study can be compared with those from novel cementless stem designs to help predict the long-term outcome one may expect from new cementless stem designs...
- Early failure of metal-on-metal bearings in hip resurfacing and large-diameter total hip replacement: A consequence of excess wear
D J Langton
North Tees and Hartlepool NHS Trust, Stockton on Tees and Centre for Rehabilitation, Newcastle University, Newcastle upon Tyne, England
J Bone Joint Surg Br 92:38-46. 2010
..Surgeons must consider implant design, expected component size and acetabular component positioning in order to reduce early failures when performing large-bearing metal-on-metal hip resurfacing and replacement...
- Total hip arthroplasty versus resurfacing arthroplasty in the treatment of patients with arthritis of the hip joint: single centre, parallel group, assessor blinded, randomised controlled trial
Matthew L Costa
Warwick Clinical Trials Unit, Division of Health Sciences, University of Warwick, Coventry CV4 7AL, UK
BMJ 344:e2147. 2012
..To compare the clinical and cost effectiveness of total hip arthroplasty with resurfacing arthroplasty in patients with severe arthritis of the hip...
- The contour of the femoral head-neck junction as a predictor for the risk of anterior impingement
H P Nötzli
Department of Orthopaedic Surgery, University of Zurich, Switzerland
J Bone Joint Surg Br 84:556-60. 2002
..This test may be of value in patients with loss of internal rotation for which a cause is not found...
- Reduced muscle radiological density, cross-sectional area, and strength of major hip and knee muscles in 22 patients with hip osteoarthritis
Department of Orthopedics, Karolinska Institutet at Dandeyd Hospital, SE 182 88 Stockholm, Sweden
Acta Orthop 78:505-10. 2007
..We hypothesized that substantial atrophy would manifest in multiple muscle groups along the affected limb, resulting in severe muscle dysfunction...
- Lymphocyte proliferation responses in patients with pseudotumors following metal-on-metal hip resurfacing arthroplasty
Young Min Kwon
Nuffield Department of Orthopaedic Surgery, University of Oxford, Windmill Road, Oxford OX3 7LD, United Kingdom
J Orthop Res 28:444-50. 2010
..This suggests that systemic hypersensitivity type IV reactions, as measured by lymphocyte proliferation response to these metals, may not be the dominant biological reaction involved in the occurrence of the soft tissue pseudotumors...
- The John Charnley Award: Metal-on-metal hip resurfacing versus large-diameter head metal-on-metal total hip arthroplasty: a randomized clinical trial
Donald S Garbuz
Division of Lower Limb Reconstruction and Oncology, Department of Orthopaedics, University of British Columbia, Room 3114, 910 West 10th Avenue, Vancouver, BC, V5Z 4E3, Canada
Clin Orthop Relat Res 468:318-25. 2010
..6-fold higher than in the resurfacing arm. Due to these excessively high metal ion levels, the authors recommend against further use of this particular large-head total hip arthroplasty...
- Cementless modular total hip arthroplasty with subtrochanteric shortening osteotomy for hips with developmental dysplasia
Department of Orthopaedic Surgery, Osaka University Graduate School of Medicine, Japan
J Bone Joint Surg Am 93:548-55. 2011
- Outcome of short proximal femoral nail antirotation and dynamic hip screw for fixation of unstable trochanteric fractures. A randomised prospective comparative trial
Department of Orthopaedics, All India Institute of Medical Sciences, New Delhi, India
Hip Int 21:531-6. 2011
..Six patients in DHS group had implant failure while none experienced this in PFNA group. The PFNA group had a better functional outcome than the DHS group...
- Minimally invasive compared with traditional transgluteal approach for total hip arthroplasty: a comparative gait analysis
Orthopedic Hospital Vienna Speising, Vienna, Austria
J Bone Joint Surg Am 92:328-37. 2010
..In the present study, a minimally invasive approach was compared with a traditional standard approach in terms of the effect on gait kinematics as demonstrated with gait analysis and electromyography...
- Cementless total hip replacement with subtrochanteric femoral shortening for severe developmental dysplasia of the hip
Department of Orthopaedic Surgery Sapporo Medical University, S1 W16, Chuo Ku, Sapporo, Japan
J Bone Joint Surg Br 91:1142-7. 2009
Total hip replacement for high dislocation of the hip joint remains technically difficult in terms of preparation of the true acetabulum and restoration of leg length...
- Effectiveness of physiotherapy exercise following hip arthroplasty for osteoarthritis: a systematic review of clinical trials
Catherine J Minns Lowe
Department of Primary Care Clinical Sciences, University of Birmingham, Edgbaston, Birmingham, UK
BMC Musculoskelet Disord 10:98. 2009
Physiotherapy has long been a routine component of patient rehabilitation following hip joint replacement...
- Estimation of heritabilities, genetic correlations, and breeding values of four traits that collectively define hip dysplasia in dogs
Institute for Genomic Diversity, College of Veterinary Medicine, Cornell University, Ithaca, NY 14850, USA
Am J Vet Res 70:483-92. 2009
..of hip joints (distraction index [DI], dorsolateral subluxation [DLS] score, Norberg angle [NA], and extended-hip joint radiograph [EHR] score) and to derive the breeding values for these traits in dogs...
- Whole blood metal ion concentrations in correlation with activity level in three different metal-on-metal bearings
Christophe A Pattyn
Department of Orthopedic Surgery and Traumatology, Ghent University Hospital, Ghent, Belgium
J Arthroplasty 26:58-64. 2011
..In conclusion, although the current second-generation metal bearings may show differences in ion release, more attention should be paid to the correlation between ion release and implant positioning...
- Two-stage total hip arthroplasty: how often does it control methicillin-resistant infection?
Department of Orthopaedics, University of British Columbia, 3114 910 West 10th Avenue, Vancouver, BC V5Z 4E3, Canada
Clin Orthop Relat Res 469:1009-15. 2011
..Methicillin-resistant hip infections are increasingly common. Reports of the surgical management of these patients using two-stage THA show variable control of infection, but all reports used static spacers...
- Corrosion at the cone/taper interface leads to failure of large-diameter metal-on-metal total hip arthroplasties
Department of Orthopaedics, Otto von Guericke University, Leipziger Str 44, 39108 Magdeburg, Germany
Clin Orthop Relat Res 470:3101-8. 2012
..Metal-on-metal (MoM) THAs have reduced wear rates compared with metal-on-polyethylene. However, elevated serum metal ion levels and pseudotumors have been reported in large MoM articulations...
- Immediate weight bearing after uncemented total hip arthroplasty with an anteverted stem: a prospective randomized comparison using radiostereometry
Truike M Thien
Department of Orthopaedics, Sahlgrenska University Hospital, Molndal, Sweden
Acta Orthop 78:730-8. 2007
..In uncemented total hip arthroplasty with hydroxyapatite coating, early weight bearing is frequently practiced but there is still not much evidence to support this recommendation...
- Gender differences exist in the hip joint moments of healthy older walkers
Katherine A Boyer
VA Palo Alto Health Care System, Bone and Joint Rehabilitation R and D Center of Excellence, Palo Alto, CA 94304, USA
J Biomech 41:3360-5. 2008
Gender differences in the incidence of symptomatic hip osteoarthritis (OA), changes in hip cartilage volume and hip joint space and rates hip arthroplasty of older people are reported in the literature...
- Lower limb biomechanics during gait do not return to normal following total hip arthroplasty
Mélanie L Beaulieu
School of Human Kinetics, University of Ottawa, Ottawa, Ontario K1N 6N5, Canada
Gait Posture 32:269-73. 2010
..also displayed various kinematic adaptations at the ankle joint of the operated limb and at the non-operated hip joint that may be leaving them at risk of developing other joint diseases...
- Minimally invasive total hip arthroplasty: a systematic review
Department of Orthopaedic Surgery, Shanghai Sixth People s Hospital, Medical College, Shanghai Jiaotong University, Shanghai, China
Int Orthop 33:1473-81. 2009
..Although mini-incision appeared to have similar outcomes compared to standard incision, the follow-up is short-term according to current standards in THA. High-quality studies are required to compare the outcomes of these two procedures...
- What works best, a cemented or cementless primary total hip arthroplasty?: minimum 17-year followup of a randomized controlled trial
London Health Sciences Centre, University Campus, 339 Windermere Road, London, ON N6A 5A5, Canada
Clin Orthop Relat Res 469:209-17. 2011
..Total hip arthroplasty (THA) has been associated with high survival rates, but debate remains concerning the best fixation mode of THA...
- A formula to predict patients' gluteus medius muscle volume from hip joint geometry
Department of Orthopaedics, Center for Musculoskeletal Surgery, Charite Universitatsmedizin Berlin, Chariteplatz 1, D 10117 Berlin, Germany
Man Ther 16:447-51. 2011
The volume of the gluteus medius muscle (GMV) has been shown to be closely related to hip joint function...
- The Exeter Universal cemented femoral component at 15 to 17 years: an update on the first 325 hips
N C Carrington
Princess Elizabeth Orthopaedic Centre, Exeter, England
J Bone Joint Surg Br 91:730-7. 2009
..8) (0 to 48 worst-to-best scale) and the mean combined Harris pain and function score was 73.2 (SD 16.9). Radiological review showed excellent preservation of bone stock in the proximal femur and no failures of the femoral component...
- The Harris-Galante porous-coated, hemispherical, polyethylene-lined acetabular component in patients under 50 years of age: a 12- to 16-year review
M R Utting
Royal Perth Rehabilitation Hospital, 6 Selby Street, Shenton Park, Western Australia 6008, Australia
J Bone Joint Surg Br 90:1422-7. 2008
..5 to 93.5) and for impending revision 55.3% (95% confidence interval 40.6 to 70) at 16 years. Uncemented acetabular components with polyethylene liners undergo silent lysis and merit regular long-term radiological review...
- The association between degenerative hip joint pathology and size of the gluteus medius, gluteus minimus and piriformis muscles
Division of Physiotherapy, School of Health and Rehabilitation Sciences, The University of Queensland, Brisbane 4072, Australia
Man Ther 14:605-10. 2009
..PIRI), and gluteus minimus (GMIN), occurring in association with differing stages of unilateral degenerative hip joint pathology (mild: n=6, and advanced: n=6)...
- Ceramic liner fracture after cementless alumina-on-alumina total hip arthroplasty
Yong Chan Ha
Department of Orthopaedic Surgery, Gyeongsang National University Colleg of Medicine, Chinju, South Korea
Clin Orthop Relat Res 458:106-10. 2007
..Early ceramic liner fracture was associated with impingement associated with excessive anteversion of the acetabular cup in Korean patients who habitually squat...
- Serum cobalt and chromium elevations following hip resurfacing with the Cormet 2000 device
D Gordon Allan
Southern Illinois University, School of Medicine, Division of Orthopedics and Rehabilitation, Springfield, IL 62794 9679, USA
J Surg Orthop Adv 16:12-8. 2007
..Future studies are needed to determine what serum Co/Cr levels are of clinical concern, particularly in outlier cases...
- Histological features of pseudotumor-like tissues from metal-on-metal hips
J Vernon Luck Sr MD Orthopaedic Research Center, Orthopaedic Hospital UCLA, 2400 S Flower Street, Los Angeles, CA 90007, USA
Clin Orthop Relat Res 468:2321-7. 2010
..The tissue features may help distinguish reactions to high wear from those with suspected metal hypersensitivity...
- No rest for the wounded: early ambulation after hip surgery accelerates recovery
Leonie B Oldmeadow
Department of Physiotherapy, The Alfred, Melbourne, Australia
ANZ J Surg 76:607-11. 2006
..This study uses a prospective randomized method to investigate the effect of early ambulation (EA) after hip fracture surgery on patient and hospital outcomes...
- Imaging findings of femoroacetabular impingement syndrome
Douglas P Beall
Department of Radiologal Sciences, University of Oklahoma Health Sciences Center, 825 N E 10th Street, Suite 1400, Oklahoma City, OK 73104, USA
Skeletal Radiol 34:691-701. 2005
..In this paper, we will introduce these risk factors, the proposed supportive imaging criteria, and the ultimate interventions that can help alleviate patients' symptoms...
- Anatomic hip range of motion after implantation during total hip arthroplasty as measured by a navigation system
Department of Orthopaedic Surgery, Medical School of Osaka University, Osaka, Japan
J Arthroplasty 22:946-52. 2007
..Almost all reference hip ROMs used in previous simulations were smaller than these values. Therefore, wider hip ROM values should be used as parameters for such simulations...
- Migration pattern of a short femoral neck preserving stem
S M Röhrl
Department of Surgery and Perioperative Sciences, Umea University Hospital, Sweden
Clin Orthop Relat Res 448:73-8. 2006
..The low migration of this short neck preserving stem suggests a favorable long-term outcome but longer followup is needed to substantiate this prediction. This design might become an alternative to standard stems and hip resurfacing...
- The transverse acetabular ligament: an aid to orientation of the acetabular component during primary total hip replacement: a preliminary study of 1000 cases investigating postoperative stability
H A P Archbold
Outcomes Unit Musgrave Park Hospital, Stockmans Lane, Belfast BT9 7JB, Northern Ireland
J Bone Joint Surg Br 88:883-6. 2006
..6%. This confirms our hypothesis that the transverse acetabular ligament can be used to determine the position of the acetabular component. The method has been used in both conventional and minimally-invasive approaches...
- Hip disability and osteoarthritis outcome score. An extension of the Western Ontario and McMaster Universities Osteoarthritis Index
Department of Physiotherapy, Säffle Hospital, Sweden
Scand J Rheumatol 32:46-51. 2003
..The HOOS appears to be an evaluative instrument for assessing important self-rated hip problems for people with hip disability with/without hip OA, but additional studies are needed...
- Changes in hand and generalised bone mineral density in patients with recent-onset rheumatoid arthritis
Department of Rheumatology, Leiden University Medical Center, PO Box 9600, 2300 RC, Leiden, The Netherlands
Ann Rheum Dis 68:330-6. 2009
- Genetic determination and correlation of body mass index and bone mineral density at the spine and hip in Chinese Han ethnicity
Fei Yan Deng
Laboratory of Molecular and Statistical Genetics, College of Life Sciences, Hunan Normal University, Changsha, 410081, Hunan, People s Republic of China
Osteoporos Int 17:119-24. 2006
..In addition, BMD at the spine and hip shares more genetic effect (pleiotropy) than BMI and BMD do in Chinese Han ethnicity, though the effects are significant for both...
- The etiology of osteoarthritis of the hip: an integrated mechanical concept
University of Berne, Berne, Switzerland
Clin Orthop Relat Res 466:264-72. 2008
..Surgical attempts to restore normal anatomy to avoid femoroacetabular impingement should be performed in the early stage before major cartilage damage is present...
- Determination of muscle loading at the hip joint for use in pre-clinical testing
M O Heller
Trauma and Reconstructive Surgery, Charite, Campus Virchow Clinic, Humboldt University of Berlin, Augustenburger Platz 1, Berlin 13353, Germany
J Biomech 38:1155-63. 2005
..The final derived load profile included the forces of up to four muscles at the instances of maximum in vivo hip joint loading during both walking and stair climbing...
- The premature failure of the Charnley Elite-Plus stem: a confirmation of RSA predictions
Oxford Orthopaedic Engineering Centre The Botnar Research Centre, University of Oxford, Nuffield Orthopaedic Centre, Windmill Road, Headington, Oxford OX3 7LD, UK
J Bone Joint Surg Br 88:179-83. 2006
..Our findings have also shown that rapid posterior head migration is predictive of premature loosening and a better predictor than subsidence...
- Control and estimation of posture during quiet stance depends on multijoint coordination
Wei Li Hsu
Dept of Physical Therapy, Biomechanics and Movement Science Program, 307 McKinly Laboratory, University of Delaware, Newark, DE 19716, USA
J Neurophysiol 97:3024-35. 2007
..The results reveal a control strategy involving coordinated variations of most major joints to stabilize variables important to postural control during quiet stance...
- Secondary gait changes in patients with medial compartment knee osteoarthritis: increased load at the ankle, knee, and hip during walking
Stanford University Medical Center, Stanford, California 94305 4038, USA
Arthritis Rheum 52:2835-44. 2005
..This study tested the hypothesis that gait changes related to knee osteoarthritis (OA) of varied severity are associated with increased loads at the ankle, knee, and hip...
- Radiographic evaluation of the hip has limited reliability
John C Clohisy
Department of Orthopaedic Surgery, Washington University School of Medicine, One Barnes Hospital Plaza, Suite 11300 West Pavilion, Campus Box 8233, St Louis, MO 63110, USA
Clin Orthop Relat Res 467:666-75. 2009
..Accordingly, a more clear set of definitions and measurements must be developed to allow for more reliable diagnosis of early hip disease...
- Bilaterally asymmetric effects of quantitative trait loci (QTLs): QTLs that affect laxity in the right versus left coxofemoral (hip) joints of the dog (Canis familiaris)
Department of Biology, University of Utah, Salt Lake City, Utah 84102, USA
Am J Med Genet A 124:239-47. 2004
In dogs hip joint laxity that can lead to degenerative joint disease (DJD) is frequent and heritable, providing a genetic model for some aspects of the human disease...
- Noninflammatory pseudotumor simulating venous thrombosis after metal-on-metal hip resurfacing
Department of Orthopedic Surgery, Medical University of Graz, Austria
Orthopedics 34:e678-81. 2011
..and computed tomography showed a solid cystic lesion in the iliopsoas muscle, which communicated with the hip joint and compressed the external iliac vein. As a consequence, the cystic lesion was resected marginally...
- Minimally invasive versus classic procedures in total hip arthroplasty: a double-blind randomized controlled trial
Jon H M Goosen
Department of Orthopaedic Surgery and Traumatology, Isala Clinics, PO Box 10500, 8000 GM Zwolle, The Netherlands
Clin Orthop Relat Res 469:200-8. 2011
..For total hip arthroplasty (THA), minimally invasive surgery (MIS) uses a smaller incision and less muscle dissection than the classic approach (CLASS), and may lead to faster rehabilitation...
- A new technique of subtrochanteric shortening in total hip replacement for Crowe type 3 to 4 dysplasia of the hip
Faculty of Medicine, Department of Orthopedics and Traumatology, Cukurova University, Balcali Adana, Turkey
J Arthroplasty 25:465-70. 2010
..Complications were early dislocation in 2 cases. This technique allows correction of anteversion, provides excellent rotational stability, and eliminates the need for additional osteosynthesis regardless of the stem design...
- Prevalence of malformations of the hip joint and their relationship to sex, groin pain, and risk of osteoarthritis: a population-based survey
Kasper Kjaerulf Gosvig
Department of Orthopedic Surgery, Copenhagen University Hospital of Hvidovre, Hvidovre, Denmark
J Bone Joint Surg Am 92:1162-9. 2010
- Impaction bone grafting of the acetabulum at hip revision using a mix of bone chips and a biphasic porous ceramic bone graft substitute
Ashley W Blom
Department of Academic Orthopaedics, University of Bristol, BIRC Research Labs, Avon Orthopaedic Centre, Bristol
Acta Orthop 80:150-4. 2009
..Previous in vitro and in vivo studies have yielded good results using mixtures of allograft and BoneSave, when compared with allograft alone. This study is the first reported human clinical trial of BoneSave in impaction grafting...
- Mid-term results of 155 patients treated with a collum femoris preserving (CFP) short stem prosthesis
Endoclinic Hamburg, Hamburg, Germany
Int Orthop 35:655-60. 2011
..With regard to outcome, survivorship and complication rate, the medium-term results of the CFP prosthesis are promising...
- A double-blind, prospective, randomized controlled trial comparing highly cross-linked and conventional polyethylene in primary total hip arthroplasty
George T Calvert
Department of Surgery, Division of Orthopedic Surgery, Wellington School of Medicine, Wellington, New Zealand
J Arthroplasty 24:505-10. 2009
..05). The data presented here show that highly cross-linked polyethylene reduces short-term polyethylene wear. The intermediate and long-term clinical results of highly cross-linked polyethylene remain unknown pending further follow-up...
- Correlation between inclination of the acetabular component and metal ion levels in metal-on-metal hip resurfacing replacement
R de Haan
University Hospital Brussels, Laarbeeklaan 101, 1090 Brussels, Belgium
J Bone Joint Surg Br 90:1291-7. 2008
..This is probably due to a greater risk of edge-loading...
- Arthroscopic management of femoroacetabular impingement: osteoplasty technique and literature review
Marc J Philippon
Steadman Hawkins Research Foundation, Steadman Hawkins Clinic, Vail, CO 81657, USA
Am J Sports Med 35:1571-80. 2007
..This approach has particular relevance in high-demand patients, particularly in athletes seeking to return to high-level sport...
- Concentrations of trace elements in bones of the hip joint from patients after hip replacement surgery
Department of Biology and Medical Parasitology, Pomeranian Medical University, Powstancow Wielkopolskich 72, 70 111 Szczecin, Poland
J Trace Elem Med Biol 26:20-5. 2012
..elements (copper (Cu) and zinc (Zn)) and three toxic elements (lead (Pb), cadmium (Cd) and mercury (Hg)) in the hip joint bones of patients from the Chair and Clinic of Orthopaedics and Traumatology at the Pomeranian Medical ..
- Diagnostics of femoroacetabular impingement and labral pathology of the hip: a systematic review of the accuracy and validity of physical tests
Sport Medisch Centrum Papendal, Papendallaan 7, Arnhem, The Netherlands
Arthroscopy 28:860-71. 2012
..The purpose of this systematic review was to identify the diagnostic accuracy and validity of physical tests that are used to assess FAI and labral pathology of the hip joint.
- Thirty years of experience with alumina-on-alumina bearings in total hip arthroplasty
Department of Orthopaedic Surgery and Traumatology, AP HP, Hôpital Lariboisière University Paris 7, 2 rue Ambroise Pare, 75010 Paris, France
Int Orthop 35:207-13. 2011
..4% at ten years. However, concern remains over ceramic liner fracture and squeaking, which has been noted recently with increasing prevalence. This review will discuss the current knowledge on the use of alumina-on-alumina bearings...
- Visual flow is interpreted relative to multisegment postural control
Department of Kinesiology, University of Maryland, College Park, MD 20742 2611, USA
J Mot Behav 43:237-46. 2011
..movement: translation in the anteroposterior direction, rotation about the ankle joint, and rotation about the hip joint. Trunk and leg responses were larger for rotational than for translational movements, but only at lower stimulus ..
- Resurfacing arthroplasty for hip dysplasia: a prospective randomised study
Shanghai Jiao Tong University, Department of Orthopedics, Shanghai Sixth People s Hospital, 600 Yi Shang Road, Shanghai 200233, China
J Bone Joint Surg Br 94:768-73. 2012
..However, more acetabular bone was sacrificed in HRA patients, and it is unclear whether this will have an adverse effect in the long term...
- The Copenhagen Hip and Groin Outcome Score (HAGOS): development and validation according to the COSMIN checklist
Faculty of Health Sciences, Department of Orthopaedic Surgery, University of Copenhagen, DK 2300 Copenhagen S, Denmark
Br J Sports Med 45:478-91. 2011
..Valid, reliable and responsive Patient-Reported Outcome (PRO) questionnaires for young to middle-aged, physically active individuals with hip and groin pain are lacking...
- The weighted optimal common shape technique improves identification of the hip joint center of rotation in vivo
Markus O Heller
Julius Wolff Institute, Center for Sports Science and Sports Medicine Berlin, Charite Universitatsmedizin Berlin, Philippstr 13, Haus 11, D 10115 Berlin, Germany
J Orthop Res 29:1470-5. 2011
..Such approaches therefore offer improved precision in the assessment of skeletal kinematics and may aid in evaluating clinical treatment success and differentiating between therapy outcomes...
- Is extended trochanteric osteotomy safe for use in 2-stage revision of periprosthetic hip infection?
Seung Jae Lim
Department of Orthopedic Surgery, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, South Korea
J Arthroplasty 26:1067-71. 2011
..Postoperative Harris Hip Score, ETO union rate, time to healing of ETO, stem stability, and complication rate did not differ between the 2 groups. Our data suggest that ETO can be safely used in treating periprosthetic hip infection...
- Validation of the femoral anteversion measurement method used in imageless navigation
Glen A Turley
Product Evaluation Technologies Group, WMG, The University of Warwick, Coventry, United Kingdom
Comput Aided Surg 17:187-97. 2012
..In imageless navigation, when these landmarks are not accessible, the AEP plane provides a useful surrogate to the condylar axis, providing a reliable baseline for femoral anteversion measurement...
- Metal ion levels not sufficient as a screening measure for adverse reactions in metal-on-metal hip arthroplasties
Rory D Macnair
Department of Orthopaedic Surgery, Royal Cornwall Hospital, Truro, Cornwall, UK
J Arthroplasty 28:78-83. 2013
..The incidence of ARMD was significantly higher when chromium concentration was above 7 μg/L (P = .02), but normal metal ion levels can be misleading and metal artifact reduction MRI imaging is advised in all patients...
- All joint moments significantly contribute to trunk angular acceleration
Cameron R Nott
Department of Mechanical and Aerospace Engineering, University of Florida, Gainesville, FL, USA
J Biomech 43:2648-52. 2010
..individual joint moments and trunk control with respect to balance during gait to show that the ankle, knee, and hip joint moments all affect the angular acceleration of the trunk...
- Structure-function relationships in osteoarthritic human hip joint articular cartilage
J T A Mäkelä
Department of Applied Physics, University of Eastern Finland, POB 1627, FI 70211 Kuopio, Finland
Osteoarthritis Cartilage 20:1268-77. 2012
..The objective of this study was to characterize the structure-function relationships of articular cartilage obtained from osteoarthritic human hip joints...
- Alumina-on-alumina total hip arthroplasty: a concise follow-up, at a minimum of ten years, of a previous report
Young Kyun Lee
Department of Orthopaedic Surgery, Seoul National University College of Medicine, 28 Yeongeon dong, Jongno gu, Seoul 110 744, South Korea
J Bone Joint Surg Am 92:1715-9. 2010
..However, the risk of ceramic fracture, noise, and impingement between the metal neck and the ceramic liner should be a concern to surgeons, and patients should be informed of these risks before surgery...
- In vitro evaluation of stiffness graded artificial hip joint femur head in terms of joint stresses distributions and dimensions: finite element study
Orthopedic Surgery Research Chair, King Saud University, Riyadh, Saudi Arabia
J Mater Sci Mater Med 22:1589-98. 2011
The aim of the present work is to evaluate the artificial hip joint femur head that is made of Stiffness Graded (SG) material in terms of joint stresses distributions and dimensions...
- Role of obesity on the risk for total hip or knee arthroplasty
University of Western Ontario, London, ON, Canada
Clin Orthop Relat Res 465:185-8. 2007
..9 kg/m2); and 32.73- (TKA) and 8.56-fold (THA) higher for people in obese Class III group (body mass index > 40 kg/m2). Thus, our data support an association between obesity and subsequent THA and TKA...
- Patient preoperative expectations of total hip replacement in European orthopedic centers
Newcastle University, Newcastle upon Tyne, UK
Arthritis Care Res (Hoboken) 63:1521-7. 2011
..This study employed the World Health Organization's model of health, the International Classification of Functioning, Disability and Health (ICF), to classify the content of preoperative patient expectations of THR...
- Finite element prediction of cartilage contact stresses in normal human hips
Michael D Harris
Department of Bioengineering and Scientific Computing and Imaging Institute, University of Utah, Salt Lake City, Utah, USA
J Orthop Res 30:1133-9. 2012
..These results demonstrate the diversity and trends in cartilage contact stress in healthy hips during activities of daily living and provide a basis for future comparisons between normal and pathologic hips...
- Establishing a range of motion boundary for total hip arthroplasty
G A Turley
WMG, The University of Warwick, Coventry, UK
Proc Inst Mech Eng H 225:769-82. 2011
Range of motion of the hip joint is a major contributor to dislocation post total hip replacement...
- Slipped capital femoral epiphysis update
Purushottam A Gholve
Division of Orthopaedic Surgery, Young and Adolescent Hip Program, Children s Hospital Boston, Boston, Massachusetts 02115 5724, USA
Curr Opin Pediatr 21:39-45. 2009
..This article highlights key diagnostic tools and optimal treatment plans for SCFE...
- Hip structural geometry and incidence of hip fracture in postmenopausal women: what does it add to conventional bone mineral density?
A Z LaCroix
WHI Clinical Coordinating Center, Fred Hutchinson Cancer Research Center, Seattle, WA 98109 1024, USA
Osteoporos Int 21:919-29. 2010
- Complications after spacer implantation in the treatment of hip joint infections
Klinik fur Orthopadie und Orthopadische Chirurgie, Universitatskliniken des Saarlandes, Homburg Saar, Germany
Int J Med Sci 6:265-73. 2009
..of interpreting these findings and their causes, this rate indicates that patients suffering from late hip joint infections and being treated with a two-stage protocol are prone to having complications...
- A clinically relevant review of hip biomechanics
Karl F Bowman
Department of Orthopaedic Surgery, University of Michigan, Ann Arbor, Michigan, USA
Arthroscopy 26:1118-29. 2010
..We will also discuss the clinical implications and surgical management of these pathologies and their role in restoring or preserving the native function of the hip joint.
- Gender differences in 3D morphology and bony impingement of human hips
Department of Orthopaedic Surgery, Osaka University Graduate School of Medicine, 2 2 Yamadaoka, Suita, Osaka 5650871, Japan
J Orthop Res 29:333-9. 2011
For the proper diagnosis or treatment of hip joint disorders caused by anatomical abnormalities, the normal hip joint morphology must be studied to understand its influence on the maximum range of motion (ROM) until bony impingement by ..
- Altered inter-joint coordination during walking in patients with total hip arthroplasty
Shiu Ling Chiu
Department of Human Physiology, University of Oregon, Eugene, OR 97403 1240, USA
Gait Posture 32:656-60. 2010
..especially the surgical limb, were altered with a higher variability to compromise the deteriorated hip joint. Asymmetric changes in accommodations and variability of bilateral lower extremities may contribute to the ..
- Bony impingement affects range of motion after total hip arthroplasty: A subject-specific approach
Scientific Affairs, Stryker Europe, Thalwil, Switzerland
J Orthop Res 26:443-52. 2008
- Ceramic bearings for total hip arthroplasty have high survivorship at 10 years
James A D'Antonio
Greater Pittsburgh Orthopaedics Association, 725 Cherrington Parkway, Suite 200, Moon Township, PA 15108, USA
Clin Orthop Relat Res 470:373-81. 2012
..In a previous study comparing ceramic with metal-on-polyethylene at 5 to 8 years, we found higher survivorship and no osteolysis for the ceramic bearings...
- Outcomes of total hip arthroplasty: a study of patients one year postsurgery
School of Physical Therapy, Texas Woman s University, Dallas, USA
J Orthop Sports Phys Ther 32:260-7. 2002
..Ex post facto research using prospective analysis of differences between the involved hip and uninvolved hip...
- Quantitative gait analysis of patients with bilateral hip osteoarthritis excluding the influence of walking speed
Division of Physical Therapy and Rehabilitation Medicine, University of Fukui Hospital, 23 Matsuoka Shimoaizuki, Eiheiji, Fukui, 910 1193, Japan
J Orthop Sci 12:451-7. 2007
..The purpose of this study was to investigate gait characteristics of patients with bilateral hip osteoarthritis (BHO) independent of walking speed...
- Assessment of the initial stability of the Symax femoral stem with EBRA-FCA: a multicentric study of 85 cases
Carlo Alberto Buratti
Department of Orthopaedics and Traumatology Hospital SS, Annunziata Savigliano, Italy
Hip Int 19:24-9. 2009
..84 (+/-0.7). In four of them the subsidence exceeded 1.5 mm, but only one exceeded 2 mm. These data represent a positive predictive factor for the minimal risk of future aseptic loosening...
- Association of physical performance with muscle strength and hip range of motion in hip osteoarthritis
Yong Hao Pua
The University of Melbourne, Melbourne, Victoria, Australia
Arthritis Rheum 61:442-50. 2009
- Biomechanical factors influencing the beginning and development of osteoarthritis in the hip joint
Laboratory of Biomechanics, Czech Technical University in Prague
Wien Med Wochenschr 161:486-92. 2011
..One of the significant risk factors affecting development of hip joint OA is the mechanism and magnitude of mechanical loading on the joint...
- Validation of finite element predictions of cartilage contact pressure in the human hip joint
Andrew E Anderson
Department of Bioengineering, and Scientific Computing and Imaging Institute, University of Utah, 50 South Central Campus Drive, Room 2480, Salt Lake City, UT 84112 9202, USA
J Biomech Eng 130:051008. 2008
..Loads based on in vivo data were applied to a cadaveric hip joint to simulate walking, descending stairs, and stair-climbing...
- Hip damage occurs at the zone of femoroacetabular impingement
Department of Orthopaedic Surgery, Inselspital, University of Bern, Murtenstrasse, 3010 Bern, Switzerland
Clin Orthop Relat Res 466:273-80. 2008
..We concluded femoroacetabular impingement mechanism contributes to early osteoarthritis including labral lesions...
- Fluid load support and contact mechanics of hemiarthroplasty in the natural hip joint
Sainath Shrikant Pawaskar
Institute of Medical and Biological Engineering, School of Mechanical Engineering, University of Leeds, Leeds LS2 9JT, UK
Med Eng Phys 33:96-105. 2011
..This study modelled nine activities of daily living and investigated the contact mechanics of a hip joint with a hemiarthroplasty, focussing particularly on the role of the fluid phase...
- The role of the transverse acetabular ligament for acetabular component orientation in total hip replacement: an analysis of acetabular component position and range of movement using navigation software
OCM Clinic, Steinerstrasse 6, 81369 Munich, Germany
J Bone Joint Surg Br 93:1021-6. 2011
..No reduction in impingement was found when the acetabular component was aligned with the TAL and the posterior labrum, compared with a standard acetabular component position...
- Role of the acetabular labrum in load support across the hip joint
Corinne R Henak
Department of Bioengineering, and Scientific Computing and Imaging Institute, University of Utah, 72 South Central Campus Drive, Salt Lake City, UT 84112, USA
J Biomech 44:2201-6. 2011
..The results of this study suggest that the labrum plays a larger role in load transfer and joint stability in hips with acetabular dysplasia than in hips with normal acetabular geometry...
- Performance on the single-leg squat task indicates hip abductor muscle function
Kay M Crossley
Department of Mechanical Engineering, Melbourne School of Engineering, The University of Melbourne, Melbourne, Australia
Am J Sports Med 39:866-73. 2011
..Thus, it is imperative to develop and evaluate a clinical assessment tool that is capable of identifying people with poor hip muscle function...
- The effect of obesity on the outcome of hip and knee arthroplasty
Specialist Orthopaedic Group, Suite 1 08, Level 1, Mater Clinic, 3 9 Gillies Street, Sydney, New South Wales, Australia
Int Orthop 35:929-34. 2011
..It would be unreasonable to deny patients arthroplasty surgery purely on the basis of a BMI indicating obesity...
- Evaluation of a new leg length measurement algorithm in hip arthroplasty
Stephen B Murphy
Center for Computer Assisted and Reconstructive Surgery, New England Baptist Hospital, Boston, MA, USA
Clin Orthop Relat Res 463:85-9. 2007
..Leg length change measured using surgical navigation, measuring the change in position of the femur relative to the pelvic coordinate system, without establishing a femoral coordinate system is easy and reliable...
- The John Charnley Award: The functional outcome of hip resurfacing and large-head THA is the same: a randomized, double-blind study
Maisonneuve Rosemont Hospital, 5415 Assomption Boulevard, Montreal, Quebec, H1T 2M4, Canada
Clin Orthop Relat Res 468:326-36. 2010
..The operated patients reached most control group values at 3 months postoperatively. By these measures, HR did not provide better clinical function over large-head THA...
- The influence of the oscillation angle and the neck anteversion of the prosthesis on the cup safe-zone that fulfills the criteria for range of motion in total hip replacements. The required oscillation angle for an acceptable cup safe-zone
Department of Orthopedics and Rehabilitation, Tokyo Metropolitan Ohkubo Hospital, Kabukicho 2 44 1, Shinjukuku, Tokyo, Japan
J Biomech 38:125-32. 2005
A normal hip joint has more than 120 degrees flexion. The reduced range of motion (ROM) of total hip arthroplast leads to frequent prosthetic impingement, subluxation and dislocation...
- Mid-term results of acetabular reconstruction using a Kerboull-type acetabular reinforcement device
Department of Orthopaedic Surgery, Graduate School of Biomedical Sciences, Hiroshima University, Kasumi 1 2 3, Minami Ku, Hiroshima City 734 8551, Japan
Int Orthop 36:23-6. 2012
..The purpose of this study was to investigate the mid-term results of 32 acetabular reconstructions performed using a Kerboull-type acetabular reinforcement device and bone graft between June 1997 and January 2009...
- Effect of sub-optimal neuromotor control on the hip joint load during level walking
Laboratorio di Tecnologia Medica, Istituto Ortopedico Rizzoli, Bologna, Italy
J Biomech 44:1716-21. 2011
..However we can consider the possibility that sub-optimal activations of the muscular system play a role in spontaneous fractures not associated with falls...
- Hip-muscle activation during the lunge, single-leg squat, and step-up-and-over exercises
Samantha N Boudreau
Div of Athletic Training, University of Kentucky, Lexington, KY, USA
J Sport Rehabil 18:91-103. 2009
..Functional exercises are often used in strengthening programs after lower extremity injury. Activation levels of the stabilizing hip muscles have not been documented...
- The applied anatomy of anterior approach for minimally invasive hip joint surgery
Li Hua Chen
Department of Anatomy, Shanghai Jiao Tong University School of Medicine, Shanghai, People s Republic of China
Clin Anat 22:250-5. 2009
The anterior approach for minimally invasive hip joint surgery is one of the common approaches utilized in hip joint surgery. Here, we report the results of dissections in 60 sides of human adult cadavers...