39,780 results match your criteria Hip Replacement


Is retrospective assessment of health-related quality of life valid?

BMC Musculoskelet Disord 2020 Jun 30;21(1):415. Epub 2020 Jun 30.

Whitlam Orthopaedic Research Centre, Level 2, Ingham Institute for Applied Medical Research South Western Sydney Clinical School, UNSW Sydney, 1 Campbell St, Liverpool, Sydney, NSW, AUS 2170, Australia.

Background: Health-related quality of life (HRQoL) is a commonly used health outcome. For many acute conditions (e.g. Read More

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http://dx.doi.org/10.1186/s12891-020-03434-8DOI Listing

Risk Factors for Revision of Polished Taper-Slip Cemented Stems for Periprosthetic Femoral Fracture After Primary Total Hip Replacement: A Registry-Based Cohort Study from the National Joint Registry for England, Wales, Northern Ireland and the Isle of Man.

J Bone Joint Surg Am 2020 Jun 25. Epub 2020 Jun 25.

Leeds Institute of Rheumatic and Musculoskeletal Medicine (LIRMM), School of Medicine, University of Leeds, Chapel Allerton Hospital, Leeds, United Kingdom.

Background: Total hip replacement (THR) with a cemented polished taper-slip (PTS) femoral stem has excellent long-term results but is associated with a higher postoperative periprosthetic femoral fracture (PFF) risk compared with composite beam stems. This study aimed to identify risk factors associated with PFF revision following THR with PTS stems.

Methods: In a retrospective cohort study, 299,019 primary THRs using PTS stems from the National Joint Registry for England, Wales, Northern Ireland and the Isle of Man (NJR) were included, with a median follow-up of 5. Read More

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http://dx.doi.org/10.2106/JBJS.19.01242DOI Listing

Total Hip Arthroplasty With a Monoblock Conical Stem in Dysplastic Hips: A 20-Year Follow-Up Study.

J Arthroplasty 2020 Jun 1. Epub 2020 Jun 1.

Hip Diseases and Joint Replacement Surgery Unit, Humanitas Clinical and Research Center - IRCCS, Rozzano, Milan, Italy.

Background: Total hip arthroplasty in patients with hip dysplasia is challenging as a result of complex anatomic deformities in the hip. The aim of the study was to evaluate the survivorship, the clinical and radiographic outcomes of cementless Wagner Cone stem in patients with dysplastic hip.

Methods: This retrospective study reports on 102 patients (135 hips) who have undergone total hip arthroplasty between 1993 and 1997. Read More

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http://dx.doi.org/10.1016/j.arth.2020.05.069DOI Listing

Anti-rheumatic treatment and prosthetic joint infection: an observational study in 494 elective hip and knee arthroplasties.

BMC Musculoskelet Disord 2020 Jun 29;21(1):410. Epub 2020 Jun 29.

Department of Orthopaedics, Skåne University Hospital, SE-221 85, Lund, Sweden.

Background: Surgical site infections are more frequent among patients with rheumatic disease. To what extent this is related to immunosuppressive antirheumatic drugs is unclear, as is the value of discontinuing medication perioperatively. The aim of study was to assess the rate of surgical site infections after knee and hip replacement in patients with inflammatory joint disease, with an emphasis on periprosthetic joint infection, and to investigate the influence of treatment with disease-modifying antirheumatic drugs (DMARDs) in this regard. Read More

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http://dx.doi.org/10.1186/s12891-020-03459-zDOI Listing

Have newer bearing surfaces changed expectations regarding the longevity of total hip arthroplasty?

Bone Joint J 2020 Jul;102-B(7_Supple_B):105-111

Anderson Orthopaedic Research Institute, Alexandria, Virginia, USA.

Aims: The purpose of this study is to examine six types of bearing surfaces implanted at a single institution over three decades to determine whether the reasons for revision vary among the groups and how long it takes to identify differences in survival.

Methods: We considered six cohorts that included a total of 1,707 primary hips done between 1982 and 2010. These included 223 conventional polyethylene sterilized with γ irradiation in air (CPE-GA), 114 conventional polyethylene sterilized with gas plasma (CPE-GP), 116 crosslinked polyethylene (XLPE), 1,083 metal-on-metal (MOM), 90 ceramic-on-ceramic (COC), and 81 surface arthroplasties (SAs). Read More

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http://dx.doi.org/10.1302/0301-620X.102B7.BJJ-2019-1545.R1DOI Listing

colonization of the anterior and lateral thigh.

Bone Joint J 2020 Jul;102-B(7_Supple_B):52-56

Colorado Joint Replacement, Denver, Colorado, USA.

Aims: Of growing concern in arthroplasty is the emergence of atypical infections, particularly (formerly ) sp. infections. Currently, the dermal colonization rate of about the hip is unknown. Read More

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http://dx.doi.org/10.1302/0301-620X.102B7.BJJ-2019-1606.R1DOI Listing

2020 Otto Aufranc Award: Malseating of modular dual mobility liners.

Bone Joint J 2020 Jul;102-B(7_Supple_B):20-26

Adult Reconstruction and Joint Replacement, Hospital for Special Surgery, New York, New York, USA.

Aims: This combined clinical and in vitro study aimed to determine the incidence of liner malseating in modular dual mobility (MDM) constructs in primary total hip arthroplasties (THAs) from a large volume arthroplasty centre, and determine whether malseating increases the potential for fretting and corrosion at the modular metal interface in malseated MDM constructs using a simulated corrosion chamber.

Methods: For the clinical arm of the study, observers independently reviewed postoperative radiographs of 551 primary THAs using MDM constructs from a single manufacturer over a three-year period, to identify the incidence of MDM liner-shell malseating. Multivariable logistic regression analysis was performed to identify risk factors including age, sex, body mass index (BMI), cup design, cup size, and the MDM case volume of the surgeon. Read More

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http://dx.doi.org/10.1302/0301-620X.102B7.BJJ-2019-1633.R1DOI Listing

Trends in the use of dual mobility bearings in hip arthroplasty.

Bone Joint J 2020 Jul;102-B(7_Supple_B):27-32

Keck School of Medicine of USC, Department of Orthopaedic Surgery, Los Angeles, California, USA.

Aims: Dual mobility (DM) bearings are an attractive treatment option to obtain hip stability during challenging primary and revision total hip arthroplasty (THA) cases. The purpose of this study was to analyze data submitted to the American Joint Replacement Registry (AJRR) to characterize utilization trends of DM bearings in the USA.

Methods: All primary and revision THA procedures reported to AJRR from 2012 to 2018 were analyzed. Read More

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http://dx.doi.org/10.1302/0301-620X.102B7.BJJ-2019-1669.R1DOI Listing

Symptom management for patients awaiting joint replacement surgery.

Aust J Gen Pract 2020 07;49(7):444-446

MBBS, PhD, Dip Biomech, FRACS, FAOrthA, Epworth Victor Smorgon Chair of Surgery, The University of Melbourne, Vic; Deputy Director, Australian Orthopaedic Association National Joint Replacement Registry, SA.

Background: Joint replacement surgery is a highly effective treatment option for patients with severe osteoarthritis (OA) of the hip and knee when other treatments have failed. Unfortunately, as a result of the COVID-19 pandemic, a temporary suspension of non-urgent elective surgery was implemented. Thousands of patients currently awaiting hip and knee replacements have been affected. Read More

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http://dx.doi.org/10.31128/AJGP-03-20-5286DOI Listing

Does price deregulation in a competitive hospital market damage quality?

J Health Econ 2020 May 23;72:102328. Epub 2020 May 23.

ESHPM, EUR, Netherlands. Electronic address:

Regulators may be hesitant to permit price competition in healthcare markets because of its potential to damage quality. We assess whether this fear is well founded by examining a reform that permitted Dutch health insurers to freely negotiate prices with hospitals. Unlike previous research on hospital competition that has relied on quality indicators for urgent treatments, we take advantage of a plausible absence of selection bias to identify the effect on the quality of elective procedures that should be more price responsive. Read More

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http://dx.doi.org/10.1016/j.jhealeco.2020.102328DOI Listing

Parkinson Disease Associated Differences in Elective Orthopedic Surgery Outcomes: A National Readmissions Database Analysis.

J Parkinsons Dis 2020 Jun 22. Epub 2020 Jun 22.

Department of Neurology, University of Pennsylvania School of Medicine, Philadelphia, PA, USA.

Background: Advances in the treatment of Parkinson's disease (PD) have allowed for improvements in mortality and quality survival, making the management of comorbid conditions of aging, such as osteoarthritis, crucial.

Objective: To determine the extent to which PD impacts hospitalization outcomes after an elective orthopedic procedure.

Methods: This retrospective cohort study used data from the National Readmissions Database and included adults ages 40 and above with and without PD. Read More

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http://dx.doi.org/10.3233/JPD-201992DOI Listing

ESTABLISHMENT OF THE BONE TISSUE BANK AT MOSTAR UNIVERSITY CLINICAL HOSPITAL.

Acta Clin Croat 2019 Dec;58(4):571-575

1Department of Orthopedics, Mostar University Clinical Hospital, Mostar, Bosnia and Herzegovina; 2Department of Orthopedics, University of Bologna, Bologna, Italy; 3Emergency Department, Mostar Public Health Centre, Mostar, Bosnia and Herzegovina; 4Faculty of Electrical Engineering, Mechanical Engineering and Computer Science, University of Mostar, Mostar, Bosnia and Herzegovina; 5Department of Histology and Embryology, University of Mostar, Mostar, Bosnia and Herzegovina; 6Department of Surgery, Mostar University Clinical Hospital, Mostar, Bosnia and Herzegovina; 7Department of Neurosurgery, Sestre milosrdnice University Hospital Centre, Zagreb, Croatia; 8Dubrovnik General Hospital, Dubrovnik, Croatia.

Bone tissue banks are necessary for collection, production, testing, packaging, storage and delivery of bone transplants. Bone tissue bank is a link between the donor and the recipient by which the donation becomes a medium of health improvement for both the donor and the recipient. At the Department of Orthopedics, Mostar University Clinical Hospital, about 200 total hip replacements are performed year. Read More

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http://dx.doi.org/10.20471/acc.2019.58.04.01DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC7314296PMC
December 2019

Patient, physiotherapist and surgeon endorsement of the core domain set for total hip and total knee replacement in Germany: a study protocol for an OMERACT initiative.

BMJ Open 2020 Jun 28;10(6):e035207. Epub 2020 Jun 28.

Klinik für Orthopädie, Sportmedizin und Rehabilitation, Krankenhaus Markisch-Oderland GmbH, Wriezen, Germany.

Introduction: There is a lack of harmonising measures for clinical trials on total joint replacement (TJR) that would allow for results from TJR studies to be compared or pooled. The Outcome Measures in Rheumatology (OMERACT) TJR core domain set is already endorsed among patients and physicians in the USA and Australia. Physiotherapists use different types of measurements compared to orthopaedic surgeons while both make substantial contributions to research in the field of TJR. Read More

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http://dx.doi.org/10.1136/bmjopen-2019-035207DOI Listing

Screening dysphagia risk in 534 older patients undergoing rehabilitation after total joint replacement. A cross-sectional study.

Eur J Phys Rehabil Med 2020 Jun 26. Epub 2020 Jun 26.

Rehabilitation Unit, 'Mons. L. Novarese' Hospital, Moncrivello, Vercelli, Italy.

Background: Older people affected by severe osteoarthritis could need to undergo total joint replacement, with a consequent hospitalization and rehabilitation. In this post-acute phase, they might suffer from other symptoms, including dysphagia, defined as a dysfunction of the digestive system, characterized by an objective difficulty or a sensation of difficulty in swallowing. It is considered as a very challenging problem in older people and early detection is fundamental for a prompt and effective management. Read More

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http://dx.doi.org/10.23736/S1973-9087.20.06321-2DOI Listing

Comparison of infection in cemented, cementless and hybrid primary total knee arthroplasty: a network meta-analysis and systematic review of randomized clinical trials.

ANZ J Surg 2020 Jun 28. Epub 2020 Jun 28.

Department of Orthopaedic Surgery, Flinders Medical Centre, Adelaide, South Australia, Australia.

Background: Prosthetic joint infection (PJI) is a serious complication of joint replacement surgeries. Surgeons often take extra measures to reduce the risk of PJI. Whilst many studies have compared between cemented, cementless and hybrid fixation (femoral cementless, tibial cemented), most focus on survivorship, clinical and function outcome scores as primary endpoints. Read More

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http://dx.doi.org/10.1111/ans.16078DOI Listing

Effects of Hormone Replacement Therapy on Bone Mass after Allogeneic Hematopoietic Stem Cell Transplantation.

J Clin Endocrinol Metab 2020 Jun 27. Epub 2020 Jun 27.

Division of Hematology, Department of Internal Medicine, Seoul St. Mary's Hospital, College of Medicine, The Catholic University of Korea, Seoul, Korea.

Context And Objectives: This study aimed to assess the effects of hormone replacement therapy (HRT) on bone mineral density (BMD) in young females who underwent allogeneic hematopoietic stem cell transplantation (HSCT).

Participants And methods: The retrospective cohort included 234 female patients with premature ovarian insufficiency (POI) who underwent allogeneic HSCT between April 2009 and April 2016 at Seoul St. Mary's Hospital in Seoul, Korea. Read More

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http://dx.doi.org/10.1210/clinem/dgaa406DOI Listing

[Physiotherapy in early rehabilitation of patients with bone sarcomas after arthroplasty of large bones and joints].

Vopr Kurortol Fizioter Lech Fiz Kult 2020 ;97(3):53-59

Russian scientific center of radiology, Moscow, Russia.

Actuality: The modern method of treating patients with tumor lesions of the bones is the replacement of large bones and joints with the inclusion of reconstructive plastic component. The main functional postoperative disorders of this method (limitation of mobility in the operated joint, pain, muscle hypotrophy and edema of the operated limb) obstruct the ability of patients to return to a full life, which makes their early rehabilitation extremely urgent. Orthopedics uses a number of physical factors for this. Read More

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http://dx.doi.org/10.17116/kurort20209703153DOI Listing
January 2020

Three dimensional bone mineral density changes in the femur over 1 year in primary total hip arthroplasty patients.

Clin Biomech (Bristol, Avon) 2020 Jun 11;78:105092. Epub 2020 Jun 11.

Institute for Biomedical and Neural Engineering, Reykjavik University, Iceland; Department of Science, Landspitali University Hospital, Iceland.

Background: The aim of the study was to compare the bone mineral density changes between unmatched patients undergoing total hip arthroplasty receiving uncemented and cemented type of implants. Previous studies have used DEXA or a two dimensional analysis to estimate the bone quality following total joint replacement, whereas this study presents the changes in three dimensions.

Methods: Fifty subjects both male and females receiving both cemented and uncemented type of implant were recruited. Read More

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http://dx.doi.org/10.1016/j.clinbiomech.2020.105092DOI Listing

[Rationale of kinematic alignment].

Authors:
H Windhagen

Orthopade 2020 Jun 25. Epub 2020 Jun 25.

Orthopädische Klinik der Medizinischen Hochschule Hannover im DIAKOVERE Annastift, Anna-von Borries Str. 1-6, 30625, Hannover, Deutschland.

Background: Kinematic alignment is a philosophy for individual knee prosthesis implantation in a three-dimensional view. The key of the concept is to understand the femoral flexion-extension axis as the centre of a cylinder within the posterior condyles. This axis defines the knee in three dimensions over the entire range of motion. Read More

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http://dx.doi.org/10.1007/s00132-020-03937-1DOI Listing

Avascular necrosis of the femoral head due to low-dose corticosteroid used in a patient with panhypopituitarism: A case report and literature review.

Jt Dis Relat Surg 2020 18;31(2):390-394. Epub 2020 Jun 18.

Dışkapı Yıldırım Beyazıt Eğitim ve Araştırma Hastanesi, Endokrinoloji ve Metabolizma Kliniği, 06110 Dışkapı, Ankara, Türkiye.

Osteonecrosis, commonly known as avascular necrosis (AVN) of bone, is one of the universally recognized side effects of high-dose steroids and commonly involves femur head leading to significant morbidity. However, the development of AVN in the femoral head due to low-dose oral corticosteroid therapy in a short time is a rare occurrence. Management by stopping corticosteroid treatment can be challenging in many cases due to the adrenal crisis. Read More

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http://dx.doi.org/10.5606/ehc.2020.72773DOI Listing

Cortical Strut Graft for Enigmatic Thigh Pain in Uncemented Total Hip Replacement.

Cureus 2020 May 22;12(5):e8233. Epub 2020 May 22.

Joint Reconstruction Unit (Hip and Knee), Southland Teaching Hospital, Invercargill, NZL.

Aims Enigmatic thigh pain in uncemented femoral components of a total hip replacement can be severe and disabling. Treatment can be conservative or surgical with cortical strut graft or revision of the femoral stem. Cortical strut grafting may offer good results with reduced morbidity. Read More

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http://dx.doi.org/10.7759/cureus.8233DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC7306660PMC

Defining the Most Effective Patient Blood Management Combined with Tranexamic Acid Regime in Primary Uncemented Total Hip Replacement Surgery.

J Clin Med 2020 Jun 22;9(6). Epub 2020 Jun 22.

Department of Orthopaedics, Hospital Universitario "La Paz", IdiPAZ, and Autónoma University, 28046 Madrid, Spain.

The application of patient blood management (PBM) combined with tranexamic acid administration (TXA) results in decreased total blood loss volume (TVB) and transfusions in total hip replacements (THRs). Dosages, timing, and routes of administration of TXA are still under debate as all these aspects, as well as interpatient variations, may affect the efficacy of the protocol. This study aims to examine the effectiveness of timing and route of administration of TXA in combination with PBM by reducing the TBV following THR surgery. Read More

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http://dx.doi.org/10.3390/jcm9061952DOI Listing

Economic Evaluation of Rivaroxaban Versus Enoxaparin for Prevention of Venous Thromboembolism After Total Knee Replacement and Total Hip Replacement: A Systematic Review.

Clin Drug Investig 2020 Jun 23. Epub 2020 Jun 23.

Health Management and Economics Research Center, School of Health Management and Information Sciences, Iran University of Medical Sciences, Tehran, Iran.

Background: Deep vein thrombosis (DVT) and pulmonary embolism (PE) together are called venous thromboembolism (VTE) and impose a high economic burden on healthcare systems. Thousands of people are hospitalized annually due to benign and treatable diseases but die due to PE; with the adoption of appropriate prevention, these deaths can be prevented.

Objective: To investigate the cost-effectiveness of using rivaroxaban versus enoxaparin in published economic analyses for prevention of VTE after total knee (TKR) or hip replacement (THR). Read More

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http://dx.doi.org/10.1007/s40261-020-00940-4DOI Listing

Direct anterior versus mini-anterolateral approach for primary total hip arthroplasty: early postoperative outcomes and complications.

Arthroplast Today 2020 Jun 31;6(2):257-261. Epub 2020 Mar 31.

Center for Hip and Knee Replacement, Department of Orthopedic Surgery, Columbia University Irving Medical Center, New York, NY, USA.

Background: Anterior-based approaches to primary total hip arthroplasty (THA) are being used more frequently, and several variations have been described. The supine direct anterior (DA) approach has been widely studied, but few studies have compared it with the mini-anterolateral (mini-AL) approach (abductor-sparing, Watson-Jones approach) in the lateral decubitus position. This study aims to compare early perioperative complications and outcomes between these 2 approaches. Read More

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http://dx.doi.org/10.1016/j.artd.2020.02.009DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC7303493PMC

Early failure of a modern moderately cross-linked polyethylene acetabular liner.

Arthroplast Today 2020 Jun 7;6(2):224-226. Epub 2020 Mar 7.

Adult Reconstruction and Joint Replacement Service, Hospital for Special Surgery, New York, NY, USA.

Modern polyethylene components for total hip arthroplasty have shown excellent long-term wear properties. However, among 204 primary total hip arthroplasty procedures performed by one surgeon using the Exactech Connexion GXL Liner, we identified 5 cases of severe polyethylene wear and osteolysis which occurred within 5 years of the index surgery. Among the 5 cases, all patients had a size 36 head with an acetabular component from size 52 to 56 mm. Read More

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http://dx.doi.org/10.1016/j.artd.2020.02.002DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC7303480PMC

Taper fretting corrosion with Stryker Anato stem after hip replacement.

Arthroplast Today 2020 Jun 31;6(2):210-213. Epub 2020 Mar 31.

Department of Orthopaedics, Boston Medical Center, Boston, MA, USA.

We report a case of head-neck taper fretting corrosion in a patient who had a total hip replacement with a noncemented Stryker Anato femoral stem and a V40 metal head with a Stryker Tritanium hemispherical socket with a highly cross-linked polyethylene liner (metal on polyethylene) (Stryker, Mahwah, NJ, USA). A 57-year-old man presented with early-onset hip pain after right total hip arthroplasty. Workup was negative for infection. Read More

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http://dx.doi.org/10.1016/j.artd.2020.01.011DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC7303489PMC

Evaluation of Health Related Quality of Life Improvement in Patients Undergoing Spine vs Adult Reconstructive Surgery.

Spine (Phila Pa 1976) 2020 Jun 18. Epub 2020 Jun 18.

Department of Orthopaedic Surgery, NYU Langone Orthopedic Hospital, Manhattan, NY, USA.

Study Design: Retrospective analysis of outcomes in single-level spine and primary hip and knee arthroplasty patients.

Objective: Compare baseline and post-operative outcomes in patients undergoing spine surgery procedures with total hip arthroplasty (THA) and total knee arthroplasty (TKA) to further define outcomes in orthopedic surgery.

Summary Of Background Data: Computer-adaptive Patient Reported Outcome Information System (PROMIS) allows for standardized assessment of the Health Related Quality of Life across different disease states. Read More

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http://dx.doi.org/10.1097/BRS.0000000000003588DOI Listing

H subtype vascular endothelial cells in human femoral head: an experimental verification.

Ann Palliat Med 2020 Jun 22. Epub 2020 Jun 22.

Department of Orthopedics, China-Japan Friendship Hospital, National Health and Family Planning Commission of the People's Republic of China, Beijing, China.

Background: Osteonecrosis of the femoral head (ONFH) is difficult to treat, and leads to an impaired microcirculation of the femoral head and activation of a repair response. The type H vessels have been proved to mediate the growth of the bone vasculature and couple angiogenesis to osteogenesis. The aim of the study is to investigate the experimental verification of H subtype vascular endothelial cells (HSVECs) in the human femoral head. Read More

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http://dx.doi.org/10.21037/apm-20-121DOI Listing

Iliopsoas hematomas in people with hemophilia: diagnosis and treatment.

Expert Rev Hematol 2020 Jun 23. Epub 2020 Jun 23.

Department of Physical Medicine and Rehabilitation, "La Paz" University Hospital-IdiPaz , Madrid, Spain.

Introduction: Iliopsoas muscle hemorrhage in patients with hemophilia is a serious complication with relevant related morbidity.

Areas Covered: A Cochrane Library and PubMed (MEDLINE) search of studies related to iliopsoas hematomas in hemophilia was analyzed. Pain in the hip joint area and femoral nerve involvement in people with hemophilia should alert physicians to the likelihood of a hemorrhage of the iliopsoas muscle. Read More

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http://dx.doi.org/10.1080/17474086.2020.1787146DOI Listing

[Treatment of acute infection around prosthesis with vacuum sealing drainage and sensitive antibiotics].

Zhongguo Gu Shang 2020 Jun;33(6):566-71

Department of Orthopaedics, the First Hospital of Ningbo, Ningbo 315010, Zhejiang, China.

Objective: To investigate the therapeutic effects of vacuum sealing drainage (VSD) combined with antibiotics in treating acute periprosthetic joint infection (PJI).

Methods: From March 2012 to December 2018, there were 11 patients with acute PJI underwent debridement, VSD, antibiotics and retention of implant, including 7 males and 4 females, with an average age of 72.5 years old (ranged, 58 to 88 years old). Read More

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http://dx.doi.org/10.12200/j.issn.1003-0034.2020.06.016DOI Listing

[Finite element analysis of different diameter prosthesis ball head in artificial femoral head replacement].

Zhongguo Gu Shang 2020 Jun;33(6):558-63

Huamei Hospital, University of Chinese Academy of Science, Ningbo 315010, Zhejiang, China.

Objective: In order to select the proper size of prosthesis ball head, the biomechanical changes of hip joint using different diameter prosthesis ball head was studied by three-dimensional finite element analysis.

Methods: The thin-layer CT data and related parameters of artificial femoral head prosthesis were used to establish the finite element model of hip joint after artificial femoral head replacement with different ball diameter of prosthesis(M0:preoperative model;M1:ball head diameter=original femoral head diameter;M2:ball head diameter=original femoral head diameter+1 mm;M3:Ball head diameter= Original femoral head diameter -1 mm;M4:ball head diameter =original femoral head diameter -2 mm). Loading the joint forces and related muscle loads were loaded, and the stress distribution and change of bone and cartilage around acetabulum were analyzed by simulating the standing state of one foot when walking slowly. Read More

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http://dx.doi.org/10.12200/j.issn.1003-0034.2020.06.014DOI Listing

Comparison of short-stem with conventional-stem prostheses in total hip arthroplasty: an 8-year follow-up study.

Arch Orthop Trauma Surg 2020 Jun 22. Epub 2020 Jun 22.

ARCUS Sportklinik Pforzheim, Rastatterstr. 17-19, 75179, Pforzheim, Germany.

Purpose: Coxarthrosis is a common disease of the adult hip joint. Elderly patients have mainly been treated with total hip arthroplasty (THA); however, younger patients are increasingly affected. Short-stem prostheses were developed for this special patient group. Read More

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http://dx.doi.org/10.1007/s00402-020-03519-yDOI Listing

Role of pulsed electromagnetic fields after joint replacements.

World J Orthop 2020 Jun 18;11(6):285-293. Epub 2020 Jun 18.

II Orthopaedic and Traumatology Clinic, IRCCS Istituto Ortopedico Rizzoli - DIBINEM - University of Bologna, Bologna 40100, Italy.

Although the rate of patients reporting satisfaction is generally high after joint replacement surgery, up to 23% after total hip replacement and 34% after total knee arthroplasty of treated subjects report discomfort or pain 1 year after surgery. Moreover, chronic or subacute inflammation is reported in some cases even a long time after surgery. Another open and debated issue in prosthetic surgery is implant survivorship, especially when related to good prosthesis bone ingrowth. Read More

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http://dx.doi.org/10.5312/wjo.v11.i6.285DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC7298453PMC

Functional outcome after lower limb periprosthetic fractures.

Injury 2020 Jun 15. Epub 2020 Jun 15.

A. Petz County and Teaching Hospital Gyor, Orthopaedic Department, Hungary.

Introduction: Periprosthetic fractures (PPFx) occur more and more often following joint replacement. The aim of this study was to investigate the functional outcome of patients treated with lower limb periprosthetic fractures in our institution.

Methods: Between 2007 and 2016 75 patients were managed with 13 intraoperative and 62 postoperative fractures. Read More

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http://dx.doi.org/10.1016/j.injury.2020.06.017DOI Listing

Treatment effects of reverse total shoulder arthroplasty - a simple method to measure outcomes at 6, 12, 24 and 60 months for each patient.

BMC Musculoskelet Disord 2020 Jun 22;21(1):397. Epub 2020 Jun 22.

Musculoskeletal Research Unit, Translational Health Sciences, Bristol Medical School, University of Bristol, Learning & Research Building, Southmead Hospital, Bristol, BS10 5NB, UK.

Background: Although shoulder arthroplasty is less common than knee or hip arthroplasty, the number of procedures being performed is increasing rapidly. The treatment effect is a simple method to measure outcome of joint replacement. The method was applied to measure results of total hip/knee arthroplasty but not yet for shoulder arthroplasty. Read More

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http://dx.doi.org/10.1186/s12891-020-03427-7DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC7310507PMC

In Silico Evaluation of Treatment of Periprosthetic Fractures in Elderly Patients After Hip Arthroplasty.

Adv Exp Med Biol 2020 Jun 22. Epub 2020 Jun 22.

Department of Physiotherapy, Opole Medical School, Opole, Poland.

The aim of this study was to investigate the soundness of in silico finite element model (FEM) in the assessment of strain in the femur and in the components fixing the periprosthetic fracture in elderly patients after hip arthroplasty. From a group of 55 patients, aged 27-95, treated due to fractures after hip replacement in 2012-2018, 18 patients were separated out, aged over 85, out of whom 7 had type C fractures, according to the Vancouver classification. These seven patients formed the study group. Read More

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http://dx.doi.org/10.1007/5584_2020_555DOI Listing

The effect of normalization of sodium on bone turnover markers in patients with epilepsy. A randomized single-blinded placebo-controlled trial.

Contemp Clin Trials Commun 2020 Sep 9;19:100587. Epub 2020 Jun 9.

Department of Endocrinology and Nephrology, Nordsjællands Hospital, Dyrehavevej 29, 3400, Hillerød, Denmark.

Hyponatremia [p[Na]<136 mmol/L] is an independent risk factor for decreased bone mineral density (BMD). However, whether hyponatremia represents a surrogate marker, or a direct causal relationship to bone loss remains unknown. The aim of the study was to investigate the effect of salt replacement therapy on bone turnover markers (BTM) and BMD in patients with epilepsy and chronic hyponatremia. Read More

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http://dx.doi.org/10.1016/j.conctc.2020.100587DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC7298402PMC
September 2020

Polyester Mesh Dressings Reduce Delayed Wound Healing and Reoperations Compared with Silver-Impregnated Occlusive Dressings after Knee Arthroplasty.

Arthroplast Today 2020 Sep 12;6(3):350-353. Epub 2020 Jun 12.

Center for Hip and Knee Replacement, Department of Orthopedic Surgery, Columbia University Irving Medical Center, New York, NY, USA.

Background: New dressings aimed at reducing surgical wound complications after knee arthroplasty continue to evolve. We compared wound complications and reoperations between 2 dressings: 2-octyl cyanoacrylate adhesive and polyester mesh (Dermabond® Prineo®, "mesh") and silver-impregnated occlusive dressings and n-butyl-2-cyancacrylate adhesive (AQUACEL® Ag SURGICAL cover dressing with SwiftSet™, "standard").

Methods: This retrospective cohort study reviewed 353 consecutive partial and total knee arthroplasties performed by a single surgeon; 6 were excluded for not using either dressing type. Read More

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http://dx.doi.org/10.1016/j.artd.2020.05.002DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC7298533PMC
September 2020

An Analysis of the Potential Relationship between Crowe Type and Lower Extremity Morphology in Patients with Developmental Dysplasia of the Hip.

Hip Pelvis 2020 Jun 15;32(2):85-92. Epub 2020 Jun 15.

Department of Orthopaedics and Traumatology, Faculty of Medicine, Istanbul University, Istanbul, Turkey.

Purpose: To test whether Crowe type is related to femoral alignment and leg length discrepancy by evaluating the preoperative lengths and coronal alignment of femurs, pelvic parameters and hip morphology of patients who underwent primary hip arthroplasty due to coxarthrosis secondary to developmental dysplasia of the hip (DDH).

Materials And Methods: Medical records of patients with coxarthrosis secondary to DDH who were treated with total hip arthroplasty at Department of Orthopaedics and Traumatology, Istanbul University Faculty of Medicine between 2008 and 2017 were reviewed. The mechanical axis of lower limbs was analyzed; pelvic height and femoral and tibial lengths were measured. Read More

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http://dx.doi.org/10.5371/hp.2020.32.2.85DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC7295615PMC

Early Experience of Direct Anterior Approach Total Hip Arthroplasty: Analysis of the First 53 Cases.

Hip Pelvis 2020 Jun 15;32(2):78-84. Epub 2020 Jun 15.

Department of Orthopaedic Surgery, Kwangju Christian Hospital, Gwangju, Korea.

Purpose: To determine if it is feasible and safe for a surgeon to transition from using the posterolateral approach to direct anterior approach (DAA) by evaluating the first 53 cases of total hip arthroplasty using a DAA.

Materials And Methods: A retrospective review of 52 patients who underwent THA using a DAA between July 2017 and December 2018. Reasons for THA were: femoral neck fracture (n=34), avascular necrosis (n=13), and arthritis (n=6). Read More

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http://dx.doi.org/10.5371/hp.2020.32.2.78DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC7295612PMC

Hip Fracture Trends in America Between 2009 and 2016.

Geriatr Orthop Surg Rehabil 2020 28;11:2151459320929581. Epub 2020 May 28.

Rubin Institute for Advanced Orthopedics, Center for Joint Preservation and Replacement, Sinai Hospital of Baltimore, MD, USA.

Background: Hip fractures are a common condition associated with high morbidity and mortality. In this study, we assess (1) yearly incidences, (2) demographic factors, (3) postoperative outcomes, (4) primary diagnoses, and (5) primary procedures.

Materials And Methods: The National Inpatient Sample was queried for patients admitted with hip fractures from 2009 to 2016 (n = 2 761 850). Read More

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http://dx.doi.org/10.1177/2151459320929581DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC7285936PMC

Split and partially entwined sciatic nerve following closed reduction of a dislocated hip prosthesis.

BMJ Case Rep 2020 Jun 21;13(6). Epub 2020 Jun 21.

Orthopaedics, University Hospitals Plymouth NHS Trust, Plymouth, UK.

We present a case of split and partially entwined sciatic nerve by a femoral prosthesis following closed reduction of a dislocated hip replacement. This complication is very rare and there are only few cases reported in the literature, with even less accompanied by supporting MRI. We present MRI features of a split and partially entwined sciatic nerve around a hip prosthesis. Read More

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http://dx.doi.org/10.1136/bcr-2020-234465DOI Listing

Fibrin sealant reduces need for transfusions after hip hemiarthroplasty for femoral neck fractures.

Injury 2020 May 23. Epub 2020 May 23.

UOC Ortopedia e Traumatologia, Fondazione Policlinico Universitario A. Gemelli IRCCS, Roma.

Introduction: Every year more than 300,000 proximal femur fractures are diagnosed. Their number will double within 30 years. In femoral neck fractures treated with hip hemiarthroplasty 90-days mortality is 29. Read More

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http://dx.doi.org/10.1016/j.injury.2020.05.026DOI Listing

Translating clinical and patient-reported data to tailored shared decision reports with predictive analytics for knee and hip arthritis.

Qual Life Res 2020 Jun 19. Epub 2020 Jun 19.

University of Washington School of Medicine, Seattle, WA, USA.

Introduction: New informatics tools can transform evidence-based information to individualized predictive reports to serve shared decisions in clinic. We developed a web-based system to collect patient-reported outcomes (PROs) and medical risk factors and to compare responses to national registry data. The system generates predicted outcomes for individual patients and a report for use in clinic to support decisions. Read More

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http://dx.doi.org/10.1007/s11136-020-02557-8DOI Listing

Outcomes of lateral unicompartmental knee arthroplasty in post-traumatic osteoarthritis, a retrospective comparative study.

Int Orthop 2020 Jun 20. Epub 2020 Jun 20.

Joint Replacement Department, IRCCS Istituto Ortopedico Galeazzi, Via R. Galeazzi 4, 20161, Milan, Italy.

Purpose: We asked whether the clinical and radiographic outcomes and survivorship after unicompartmental knee arthroplasty (UKA) for osteoarthritis (OA) consequent to lateral tibial plateau fracture were comparable with those obtained after lateral UKA for primary OA.

Methods: A total of 13 patients receiving lateral UKA for OA secondary to tibial plateau fracture (post-traumatic UKA, P-UKA) were compared with 13 patients who underwent lateral UKA for primary OA (OA-UKA). Patients were matched for age at surgery, gender, body mass index, and follow-up length. Read More

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http://dx.doi.org/10.1007/s00264-020-04665-zDOI Listing

The Affordable Care Act and Global Budget Revenue: The Impact on Total Hip Arthroplasties.

J Arthroplasty 2020 May 28. Epub 2020 May 28.

Department of Orthopaedics, Lenox Hill Hospital, New York City, NY.

Background: Maryland possesses a unique, population-based alternative payment model named Global Budget Revenue (GBR). This study evaluated the effects of GBR on demographics and outcomes for patients who underwent primary total hip arthroplasty (THA) by comparing Maryland to the United States (U.S. Read More

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http://dx.doi.org/10.1016/j.arth.2020.05.060DOI Listing

Dynamic trial fitting by an expanding trial cup does not jeopardize primary acetabular component stability.

Clin Biomech (Bristol, Avon) 2020 Jun 10;78:105077. Epub 2020 Jun 10.

Xpert Orthopedie Amsterdam/SCORE (Specialized Center of Orthopedic Research and Education), Laarderhoogtweg 12, 1101EA Amsterdam, the Netherlands. Electronic address:

Background: Trial fitting of the acetabular component in uncemented total hip replacement is traditionally done by trial cups. Since trial cups do not resemble the real press-fit obtained by the definitive cup, a dynamic trial inserter, called the X-pander ®, was developed to mimic the real amount of press-fit. However, the concern is raised of losing the initial press-fit by using the X-pander® due to pre-expansion of the acetabulum. Read More

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http://dx.doi.org/10.1016/j.clinbiomech.2020.105077DOI Listing

Prevalence and determinants of radiological vertebral fractures in patients with Klinefelter syndrome.

Andrology 2020 Jun 18. Epub 2020 Jun 18.

Endocrinology, Diabetology and Andrology Unit, Humanitas Clinical and Research Center, IRCCS, Rozzano, MI, Italy.

Background: Klinefelter syndrome (KS) may induce skeletal fragility, but the studies so far published on this topic were mainly focused on the evaluation of bone mineral density (BMD) and bone microstructure, whereas data on fracture risk is still lacking.

Objective: To evaluate the prevalence and determinants of vertebral fractures (VFs), i.e. Read More

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http://dx.doi.org/10.1111/andr.12841DOI Listing

Similar postoperative outcomes after total knee arthroplasty with measured resection and gap balancing techniques using a contemporary knee system: a randomized controlled trial.

Knee Surg Sports Traumatol Arthrosc 2020 Jun 15. Epub 2020 Jun 15.

Department of Orthopaedic Surgery, Singapore General Hospital, Singapore, Singapore.

Purpose: The Attune® Knee System provides new instrumentation to achieve symmetric flexion/extension gaps in total knee arthroplasty (TKA). However, there is limited information on the optimal TKA technique using this system. The aim of this randomised controlled trial was to determine which surgical technique results in better postoperative clinical outcomes after TKA using the contemporary Attune Knee System: the measured resection or gap balancing technique. Read More

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http://dx.doi.org/10.1007/s00167-020-06103-4DOI Listing
June 2020
2.837 Impact Factor

Subtrocantheric nonunion following fracture of an arthrodesed hip: a case report.

Acta Biomed 2020 May 30;91(4-S):254-258. Epub 2020 May 30.

Orthopaedic Clinic, Department of Medicine and Surgery, University Hospital of Parma, Italy.

In recent years in the era of successful of total hip replacement, hip arthrodesis is rarely performed. The anatomy and biomechanics of an arthrodesed hip is altered, thus influencing the treatments strategies in case of fracture or nonunions. This case report describes the management and therapeutic solution for the treatment of subtrochanteric nonunion in a patient with hip arthrodesis. Read More

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http://dx.doi.org/10.23750/abm.v91i4-S.9657DOI Listing