1,468 results match your criteria Hip International[Journal]


Incidence of osteonecrosis and insufficiency fracture of the hip and knee joints based on MRI in 300 renal transplant patients.

Hip Int 2018 Nov 1:1120700018808693. Epub 2018 Nov 1.

1 Department of Orthopaedic Surgery, Tokyo Women's Medical University, Tokyo, Japan.

Introduction:: The purpose of this study was to investigate the incidence of necrosis and insufficiency fracture of the hip and knee using magnetic resonance imaging (MRI) in renal transplant patients.

Methods:: We examined 300 consecutive renal transplant patients using MRI of the hips and knees (T1-weighted coronal MRI) preoperatively and at 3 and 6 months postoperatively. Oblique axial-plane T1-weighted MRI and short-tau inversion-recovery T2-weighted MRI were performed parallel to the femoral neck when distinguishing the osteonecrosis of the femoral head (ONFH) from subchondral insufficiency fracture (SIF) of the femoral head was difficult. Read More

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November 2018

Higher offset cross-linked polyethylene acetabular liners: is wear a significant clinical concern?

Hip Int 2018 Dec 7:1120700018815339. Epub 2018 Dec 7.

2 Towson Orthopaedic Associates, Towson, MD, USA.

Introduction:: Total hip arthroplasty (THA) is the 2nd most common total joint replacement surgery in the United States. However, not all THA devices perform well and need revised for several reasons including dislocation. Higher offset acetabular liners reduce this problem by creating a more anatomically/biomechanically natural hip joint, increasing soft-tissue tension, and accommodating larger femoral heads in smaller acetabular cups via increased polyethylene thickness. Read More

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December 2018

Age matters when comparing hemiarthroplasty and total hip arthroplasty for femoral neck fractures in Medicare patients.

Hip Int 2018 Dec 11:1120700018816924. Epub 2018 Dec 11.

Department of Orthopaedic Surgery, University of North Carolina, Chapel Hill, NC, USA.

Introduction:: The optimal treatment of patients with a displaced intracapsular femoral neck fracture remains controversial. We utilised a national database of Medicare patients to determine if there was any difference in complications and reoperation rate of patients undergoing total hip arthroplasty (THA) or hemiarthroplasty (HA) for femoral neck fractures.

Methods:: This study utilised the PearlDiver Patient Records Database, a national for-fee database of Medicare patient procedure and diagnosis records from 2005 to 2012. Read More

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December 2018

Statin use is associated with less postoperative cardiac arrhythmia after total hip arthroplasty.

Hip Int 2018 Dec 10:1120700018816091. Epub 2018 Dec 10.

Department of Orthopaedic Surgery, Stanford University, Redwood City, CA, USA.

Introduction:: While statins have been found to reduce postoperative atrial fibrillation after cardiac surgery, little is known about their use in total hip arthroplasty (THA). This study investigated if statins would similarly reduce postoperative arrhythmias in patients undergoing THA.

Methods:: We queried a large Medicare and private-payer database from 2005 to 2012 and identified 12,075 patients who were on a statin prior to THA. Read More

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December 2018

Mid-term results of short stem total hip arthroplasty in patients with osteonecrosis of the femoral head.

Hip Int 2018 Dec 11:1120700018816011. Epub 2018 Dec 11.

Department of Orthopaedic Surgery, Maharat Nakhon Ratchasima Hospital, Nakhon Ratchasima Province, Thailand.

Purpose:: To evaluate the clinical and radiographic mid-term results of short-stem total hip arthroplasty (THA) in patients with osteonecrosis of the femoral head (ONFH).

Methods:: We reviewed 83 cases that underwent Metha stem between November 2010 and November 2012. The appearance of bone trabeculae development and radiolucent line were reviewed and HHS was recorded at 6 months postoperatively then yearly to evaluate the clinical results. Read More

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December 2018

Fingerprint pattern of bone mineralisation on cemented and uncemented femoral stems: analysis by [18F]-fluoride-PET in a randomised clinical trial.

Hip Int 2018 Dec 6:1120700018815404. Epub 2018 Dec 6.

4 Depaetment of Orthopaedics, Uppsala University Hospital, Sweden.

Purpose:: We present a randomised clinical study using 18F-fluoride positron emission tomography/computed tomography (F-PET/CT) to analyse the osteoblastic part of bone metabolism (new bone mineralisation) in periprosthetic bone adjacent to femoral stems following total hip arthoplasty (THA) surgery. Patients with hip osteoarthritis were randomly assigned to THA surgery with cemented or uncemented femoral components.

Patients And Methods:: THA was performed on 26 patients (26 cases) with hip osteoarthritis. Read More

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December 2018
4 Reads

High risk of complications using metal heads after ceramic fracture in total hip arthroplasty.

Hip Int 2018 Dec 3:1120700018813978. Epub 2018 Dec 3.

2 IRCCS Galeazzi Othopaedic Institute, Milan, Italy.

Background:: There is some uncertainty about the bearing to be used to substitute a broken ceramic. Using metal components (head or liner) may lead to catastrophic wear of the metal.

Aim:: The purpose of this article is to describe the long-term follow-up result of ceramic fracture replaced with metal-on-polyethylene (MoP). Read More

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December 2018

Femoral head material loss at the head-neck junction in total hip arthroplasty: the effect of head size, stem material and stem offset.

Hip Int 2018 Nov 30:1120700018814473. Epub 2018 Nov 30.

1 Division of Orthopaedic Surgery, Department of Surgery, Schulich School of Medicine and Dentistry, Western University, London Health Sciences Centre, University Hospital, London, ON, Canada.

Introduction:: Material loss at the head-neck junction in total hip arthroplasty may cause adverse clinical symptoms and implant failure. The purpose of this study was to quantitatively examine the effects of head size, stem material and stem offset on material loss of the head-neck taper interface of a single trunnion design in retrieval implants of metal on polyethylene bearing surfaces.

Methods:: A retrieval study was performed to identify all 28-mm and 32-mm femoral heads from a single implant/taper design implanted for >2 years. Read More

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November 2018
1 Read

Metal ion concentrations after metal-on-metal hip arthroplasty are not correlated with habitual physical activity levels.

Hip Int 2018 Nov 27:1120700018814225. Epub 2018 Nov 27.

Department of Orthopaedics, Zuyderland Medical Centre, Sittard-Geleen/Heerlen, The Netherlands.

Introduction:: Metal-on-metal (MoM) hip arthroplasties have shown high clinical failure rates with many patients at risk for a revision and under surveillance for high metal ion concentrations. Implant wear releasing such ions is assumed to be a function of use, i.e. Read More

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November 2018
3 Reads

Transfusion rates with intravenous tranexamic acid in total hip arthroplasty performed using the direct anterior approach.

Hip Int 2018 Nov 27:1120700018811310. Epub 2018 Nov 27.

1 Royal Hobart Hospital, Hobart, Tasmania, Australia.

Introduction:: Tranexamic acid (TXA) has been shown to reduce blood loss and transfusion requirements in patients undergoing total hip arthroplasty (THA). Most studies have focused on TXA in THA performed using a posterior approach (PA) or lateral approach. The aim of this study was to analyse the efficacy of TXA in patients undergoing THA using the direct anterior approach (DAA). Read More

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November 2018
1 Read

Is a cementless fixation of the femoral component suitable for metal-on-metal hip resurfacing arthroplasty?

Hip Int 2018 Nov 26:1120700018815055. Epub 2018 Nov 26.

The Joint Replacement Institute at St Vincent Medical Center, Los Angeles, CA, USA.

Background:: Hip resurfacing arthroplasty (HRA) typically uses a hybrid design (cemented femoral component and cementless acetabular shell) but has recently been performed with fully cementless components. There is a paucity of information on the clinical performance of these cementless designs.

Methods:: The UCLA clinical scores, SF-12 quality of life scores, complication rates, survivorship and radiographic signs of loosening or gross stress shielding of 39 hips (39 male patients) implanted with cementless HRA were compared with those of 40 hips (37 male patients) implanted with hybrid HRA during the same time frame. Read More

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November 2018

The effect of conjoint tendon release on gait after direct anterior total hip arthroplasty.

Hip Int 2018 Nov 26:1120700018813547. Epub 2018 Nov 26.

1 London Health Sciences Centre, London, ON, Canada.

Introduction:: There has been considerable interest in the direct anterior (DA) approach to total hip arthroplasty (THA) recently. To facilitate exposure of the proximal femur it is sometimes necessary to release the conjoint tendon.

Aim:: To prospectively investigate whether release of the conjoint tendon has an impact on gait in the early postoperative period. Read More

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November 2018
5 Reads

Diabetic hip arthropathy is associated with a higher prevalence of femoral head chondromalacia: a case-controlled study.

Hip Int 2018 Nov 22:1120700018813829. Epub 2018 Nov 22.

1 Department of Orthopaedic Surgery, Wake Forest Baptist Medical Center, Winston-Salem, NC, USA.

Introduction:: No previous studies have characterised hip joint disease in diabetic patients undergoing hip arthroscopy. The purpose of our study was to evaluate intra-articular hip pathology and surgical variables in patients with diabetes compared to matched, non-diabetic controls. We hypothesised that diabetic patients would demonstrate a higher prevalence and severity of hip chondral pathology. Read More

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November 2018
5 Reads

Posterior "Open Book" approach for type 1 internal hemipelvectomy.

Hip Int 2018 Nov 22:1120700018812415. Epub 2018 Nov 22.

1 Hansjörg Wyss Department of Plastic Surgery, NYU Langone Health, New York, NY, USA.

Introduction:: Internal limb-sparing hemipelvectomy is currently the preferred surgical option for resection of pelvic tumours. Obtaining an acceptable functional outcome through the standard ilioinguinal or iliofemoral incisions, only compounds the already challenging dissection, resection and reconstruction of these extensive en-bloc extirpative oncologic operations.

Surgical Technique:: We describe a novel surgical approach to the lateral pelvis that minimises injury to the gluteal muscles, spares the gluteal vessels and provides a broad yet shallow operative field conducive to microsurgery with sizeable vasculature in close proximity to facilitate any microsurgical reconstruction. Read More

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November 2018

Avascular necrosis post unstable slipped capital femoral epiphysis: a treatment algorithm with staged hinged hip distraction: mid-term results.

Hip Int 2018 Nov 20:1120700018811313. Epub 2018 Nov 20.

Department of Trauma and Orthopaedics, Sheffield Children's Hospital, Sheffield, UK.

Background:: Management of avascular necrosis (AVN) of the femoral head in slipped capital femoral epiphysis (SCFE) is difficult. We proposed to ascertain if staged hip distraction could prevent collapse and recover the femoral head.

Methods:: A retrospective review of the hip database retrieved 16 children with unstable SCFE and AVN. Read More

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November 2018
4 Reads

Is single-anaesthetic bilateral total hip replacement using cemented stems safe and appropriate? A review of four decades of practice.

Hip Int 2018 Nov 19:1120700018813280. Epub 2018 Nov 19.

Princess Elizabeth Orthopaedic Centre, Exeter, UK.

Background:: Symptomatic bilateral hip osteoarthritis can be treated surgically with either staged or single-anaesthetic bilateral total hip replacement (BTHR). Today the typical candidate for BTHR is more likely to receive cementless implants. We present the experience of BTHR at our institution using cemented stems combined with cemented and uncemented sockets and, to our knowledge, the largest prospective single-centre series. Read More

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November 2018
3 Reads

Patients undergoing hip arthroscopy with active workers' compensation claims do not demonstrate inferior outcomes at mid-term.

Hip Int 2018 Nov 16:1120700018810537. Epub 2018 Nov 16.

1 American Hip Institute, Westmont, Illinois, USA.

Introduction:: Workers' compensation (WC) claims have been associated with poor short-term outcomes after hip arthroscopy. We aim to report mid-term outcomes and return to work (RTW) among patients with WC claims.

Methods:: Data were prospectively collected and retrospectively reviewed for patients undergoing hip arthroscopy between September 2008 and July 2011. Read More

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November 2018
6 Reads

The use of silver coating in hip megaprostheses: a systematic review.

Hip Int 2018 Nov 16:1120700018811070. Epub 2018 Nov 16.

4 National Institute for Health Research Bristol Biomedical Research Centre, Bristol, UK.

Retrospective studies of silver-coated hip implants have demonstrated promising results and safety profile, however, the potential benefits are so far unproven in prospective studies. Silver-coated implants may have a role in patients undergoing revision or primary surgery with a high risk of infection but as yet there are no human studies investigating silver in primary hip arthroplasty. Adequately powered robust prospective studies are needed in this area to determine if silver-coated implants would be efficacious and cost-effective. Read More

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November 2018
2 Reads

Changes in periacetabular bone mineral density five years after resurfacing hip arthroplasty versus conventional total hip arthroplasty.

Hip Int 2018 Nov 14:1120700018808023. Epub 2018 Nov 14.

1 Department of Orthopaedics, Rijnstate Hospital, Arnhem, The Netherlands.

Introduction:: We studied whether acetabular bone mineral density (BMD) is better preserved after resurfacing hip arthroplasty (RHA) versus small diameter metal-on-metal total hip arthroplasty (THA).

Methods:: This randomised controlled trial included 82 patients. BMD was measured in 5 periprosthetic regions of interest (ROI) with dual-energy absorptiometry (DEXA) preoperatively, at 3 and 6 months, 1, 2, 3 and 5 years postoperative. Read More

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November 2018
1 Read

Clinical relevance of bone remodelling around conventional and conservative (short-stem) total hip arthroplasty implants.

Hip Int 2018 Nov 13:1120700018810846. Epub 2018 Nov 13.

Based on data from the existing literature, we can safely suggest that bone mineral changes around cementless and cemented conventional femoral stems, and conservative femoral stems, are not predictive of either satisfactory or unsatisfactory total hip arthroplasty long term clinical outcomes. Additionally, studies with a follow up shorter than 5-10 years are perhaps clinically irrelevant. These observations may be helpful in interpreting the existing literature. Read More

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November 2018

Intrapelvic component retrieval via anterior inferior iliac spine osteotomy in revision total hip arthroplasty.

Hip Int 2018 Nov 13:1120700018812128. Epub 2018 Nov 13.

1 Department of Orthopaedic Surgery, Division of Orthopaedic Trauma and Complex Adult Reconstruction, Jersey City Medical Center - RWJBarnabas Health, Jersey City, NJ, USA.

Introduction:: In the revision setting, intrapelvic acetabular components provide a unique set of challenges for the treating surgeon. Retrieval is complicated by complex anatomical relationships within the pelvis and historically, surgeons have used multiple approaches to safely retrieve the cup.

Case Presentation:: We present the case of a 53-year-old female with intrapelvic migration of the acetabular components of her total hip arthroplasty. Read More

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November 2018
5 Reads

Muscular strength and function after total hip arthroplasty performed with three different surgical approaches: one-year follow-up study.

Hip Int 2018 Nov 13:1120700018810673. Epub 2018 Nov 13.

3 Department of Mental Health, Faculty of Medicine and Health Science, NTNU, Norwegian University of Science and Technology, Trondheim, Norway.

Background:: Surgical approach influences short-term muscular strength, and leg-strength asymmetry has been demonstrated after total hip arthroplasty (THA). We evaluated muscular strength, physical function and patient-reported outcome measures (PROMs) up to 12 months postoperatively, in patients operated on using 3 different surgical approaches.

Methods:: 60 patients scheduled for primary THA were allocated to the direct lateral (DLA), posterior (PA) or anterior (AA) approach. Read More

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November 2018
3 Reads

Feasibility of 3D-printed models of the proximal femur to real bone: a cadaveric study.

Hip Int 2018 Nov 13:1120700018811553. Epub 2018 Nov 13.

5 Hospital Clinic of Barcelona, University of Barcelona, Spain.

Introduction:: 3D technology has increased popularity during the past decade due to recent advancements and has been described as a useful tool in several fields of medicine including orthopaedic surgery. Applications include preoperative planning, custom-made implants, patient-specific guides, etc. The aim of this study was to evaluate the similarity between 3D-printed models and cadaveric femoral heads, based on CT scans. Read More

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November 2018
2 Reads

7-year results of primary total hip arthroplasty with the uncemented Avenir stem.

Hip Int 2018 Nov 11:1120700018810211. Epub 2018 Nov 11.

1 Université Clermont Auvergne, CHU Clermont-Ferrand, CNRS, SIGMA Clermont, ICCF, Clermont-Ferrand, France.

Aims:: The aim of the present study was to evaluate the 7-year functional outcome and radiographic results of primary total hip arthroplasties (THAs) performed with the uncemented Avenir stem.

Patients And Methods:: Between January 2006 and October 2008, 100 consecutive primary hips in 92 patients were enrolled at 2 centres. The mean age at operation was 58. Read More

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November 2018

The serum albumin threshold for increased perioperative complications after total hip arthroplasty is 3.0 g/dL.

Hip Int 2018 Nov 11:1120700018808704. Epub 2018 Nov 11.

4 Department of Anaesthesiology, Hospital for Special Surgery, New York, USA.

Introduction:: Low serum albumin is associated with higher perioperative complications following total hip arthroplasty (THA). The distinct threshold for a significant rise in perioperative complications has not been defined for THA. The purpose of this study was to define the threshold at which perioperative complications rise after THA. Read More

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November 2018
3 Reads

Functional outcome of total hip arthroplasty after a previous hip arthroscopy: a retrospective comparative cohort study.

Hip Int 2018 Nov 11:1120700018810509. Epub 2018 Nov 11.

1 Wrightington Wigan and Leigh NHS Foundation Trust, Wigan, UK.

Background:: Despite patients demonstrating significant short-term clinical improvement from a hip arthroscopy (HA), a number of patients progress to significant osteoarthritis of the hip requiring total hip arthroplasty (THA). This study aims to evaluate if there is any difference in the functional outcome of patients undergoing THA after a previous hip arthroscopy compared to patients undergoing THA for primary osteoarthritis of the hip.

Methods:: Between 2010 and 2013, in a group of 414 patients who underwent hip arthroscopy, we identified 18 patients who underwent a subsequent uncemented THA. Read More

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November 2018

Modular junction may be more problematic than bearing wear in metal-on-metal total hip arthroplasty.

Hip Int 2018 Oct 31:1120700018808696. Epub 2018 Oct 31.

Department of Surgery, University of Montreal, Hospital Maisonneuve-Rosemont, Montreal, Canada.

Introduction:: In total hip arthroplasty (THA), local adverse reaction to metal debris (ARMD) may be caused by abnormal metal ion release from a metal-on-metal (MoM) bearing, or by wear and corrosion of the implant's modular junction. The aim of this study was to compare ion levels and rate of ARMD between patients sharing the same MoM bearing but 1 group having monoblock stems versus another having modular stems.

Materials And Methods:: Whole blood cobalt (Co) and chromium (Cr) ion concentrations, ARMD rate, revision rate, and function measured by UCLA and WOMAC scores were compared between groups. Read More

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October 2018

Labral hypertrophy correlates with borderline hip dysplasia and microinstability in femoroacetabular impingement: a matched case-control analysis.

Hip Int 2018 Oct 25:1120700018807860. Epub 2018 Oct 25.

1 Hospital for Special Surgery, Department of Orthopaedic Surgery, New York, USA.

Purpose:: The goal of this study was to: (1) investigate the association between labral hypertrophy and radiographic and computed tomography (CT) imaging measurements of dysplasia in a femoroacetabular impingement (FAI) cohort; (2) evaluate the association between physical examination parameters suggestive of microinstability and labral hypertrophy.

Methods:: A retrospective case-control study was performed. Labral hypertrophy was defined as intraoperative labral width measuring greater >4 mm. Read More

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October 2018
4 Reads

A 20-year follow-up evaluation of total hip arthroplasty in patients younger than 50 using a custom cementless stem.

Hip Int 2018 Oct 23:1120700018803290. Epub 2018 Oct 23.

The Institute of Movement and Locomotion, Department of Orthopaedics and Traumatology, St Marguerite Hospital, Marseille, France.

Aim:: The purpose of this study is to report the 20-year follow-up of a continuous series of 232 total hip arthroplasties (THAs) performed in patients aged less than 50 at the index surgery.

Patients And Methods:: This is a retrospective monocentric study which reports the clinical, radiographical and survival results of 232 THAs performed with a custom cementless femoral stem in 212 patients evaluated at follow-up ranging from 14 to 27 years.

Results:: At the time of follow-up, the mean Harris Hip Score was 94. Read More

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October 2018
5 Reads

Preoperative incipient osteoarthritis predicts failure after periacetabular osteotomy: 69 hips operated through the anterior intrapelvic approach.

Hip Int 2018 Oct 16:1120700018804786. Epub 2018 Oct 16.

1 Division of Orthopaedic Surgery, Oslo University Hospital, Oslo, Norway.

Background: Untreated developmental hip dysplasia may result in pain, loss of function and is a common cause of osteoarthritis (OA). The periacetabular osteotomy (PAO) was developed to relieve symptoms and postpone further degeneration of the hip. We aimed to assess preoperative clinical and radiographic prognostic factors and evaluate survivorship of PAO after medium-term follow-up of 7. Read More

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October 2018
1 Read

Hip-spine syndrome: cross-sectional-study of spinal alignment in patients with coxalgia.

Hip Int 2018 Oct 14:1120700018803236. Epub 2018 Oct 14.

Department of Orthopaedic Surgery, Kitasato University, School of Medicine, Sagamihara City, Kanagawa, Japan.

Introduction: Patients presenting with hip diseases often have coexisting spine disorders, a condition that is termed "hip-spine syndrome." However, few reports have evaluated total spinal alignments in patients with coxalgia. In this study, we retrospectively examined the relationship between several clinical and x-ray parameters of the hip joints and spinal alignment in patients with coxalgia. Read More

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October 2018
10 Reads

The national burden of periprosthetic hip fractures in the US: costs and risk factors for hospital readmission.

Hip Int 2018 Oct 1:1120700018803933. Epub 2018 Oct 1.

3 Department of Orthopaedics, Dartmouth Hitchcock Medical Center, Lebanon, NH, USA.

Introduction: Periprosthetic hip fractures (PPFX) are serious complications that result in increased morbidity, mortality and healthcare costs. Decreasing hospital readmissions has been a recent healthcare focus, but little is known about the overall costs associated with PPFX or the risk factors associated with readmissions. We investigated patient demographics, treatment types, 30- and 90-day readmission rates, direct costs, and patient risk factors associated with PPFX readmission. Read More

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October 2018

Long-term results of isolated acetabular revisions with reinforcement rings: a 10- to 15-year follow-up.

Hip Int 2018 Sep 25:1120700018802750. Epub 2018 Sep 25.

1 Orthopaedic Unit, Department of Surgical Sciences, University of Cagliari, Italy.

Purpose: The management of severe acetabular bone deficiency and a stable femoral stem can be a challenging problem in revision hip surgery. Replacement of both the acetabular and femoral component in elderly patients can increase perioperative risks without the certainty of a better functional outcome. We report the long-term outcome of reinforcement rings in isolated acetabular revision to determine whether this procedure allows hip function restoration and implant longevity. Read More

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September 2018
1 Read

Abstract book content list.

Authors:

Hip Int 2018 Sep;28(1_suppl)

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September 2018
4 Reads

Editorial for HPI September Supplement.

Hip Int 2018 Sep;28(1_suppl)

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September 2018
3 Reads

HPI Author Index.

Authors:

Hip Int 2018 Sep;28(1_suppl):188-200

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http://dx.doi.org/10.1177/1120700018802049DOI Listing

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September 2018

A device to make the pelvic sagittal plane horizontal and reduce error in cup inclination during total hip arthroplasty: a validation study.

Hip Int 2018 Sep;28(5):473-477

Primary Joint Unit, Musgrave Park Hospital, Belfast, UK.

Introduction: Radiological inclination (RI) is determined in part by operative inclination (OI), which is defined as the angle between the cup axis or handle and the sagittal plane. In lateral decubitus the theatre floor becomes a surrogate for the pelvic sagittal plane. Critically at the time of cup insertion if the pelvic sagittal plane is not parallel to the floor either because the upper hemi pelvis is internally rotated or adducted, RI can be much greater than expected. Read More

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http://dx.doi.org/10.1177/1120700017752615DOI Listing

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September 2018

1-stage bilateral total hip arthroplasty operation in 22 patients with use of short and standard stem length on either side: gait analysis 1 and 2 years after bilateral THA.

Hip Int 2018 Jul 15;28(4):391-399. Epub 2017 Dec 15.

Department of Orthopaedics, Institute of Clinical Sciences, Sahlgrenska Academy, University of Gothenburg, Sahlgrenska University, Göteborg, Sweden.

Background: According to previous gait analyses, insertion of a total hip arthroplasty (THA) will improve the range of hip flexion-extension but not to normal. Use of short stems could have a potential to improve the motion by preservation of more bone and muscular attachments. We evaluated whether a short femoral stem resulted in improved hip motion compared to a conventional stem in patients who underwent 1-stage bilateral THA. Read More

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http://dx.doi.org/10.5301/hipint.5000596DOI Listing

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Low wear rate at 6-year follow-up of vitamin E-infused cross-linked polyethylene: a randomised trial using 32- and 36-mm heads.

Hip Int 2018 Sep 19:1120700018798790. Epub 2018 Sep 19.

2 Division of Orthopaedic Surgery, Oslo University Hospital, Oslo, Norway.

Background: Free radicals formed in the cross-linking process may over time alter the mechanical properties of highly cross-linked polyethylene. Vitamin E-infused highly cross-linked polyethylene was therefore developed to achieve low wear-rate and good mechanical properties in the long term.

Aim: To present 6-year results from the initial randomised controlled trial. Read More

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http://dx.doi.org/10.1177/1120700018798790DOI Listing

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September 2018

Dislocation of large-diameter head metal-on-metal total hip arthroplasty and hip resurfacing arthroplasty.

Hip Int 2018 Sep 13:1120700018798302. Epub 2018 Sep 13.

2 Department of Orthopaedics and Traumatology, Helsinki University Hospital, Finland.

Introduction: Dislocation of large-diameter head (LDH) metal-on-metal (MoM) total hip arthroplasty (THA) or hip resurfacing arthroplasty (HRA) is a rare complication. This study aimed to determine the incidence and risk factors for dislocation of LDH MoM THAs and HRAs.

Methods: This retrospective analysis considered 4038 cementless LDH MoM THAs and HRAs, 3207 THAs in 2912 patients and 831 HRAs in 757 patients. Read More

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http://dx.doi.org/10.1177/1120700018798302DOI Listing

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September 2018
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Changes in sexual activity of male patients with ankylosing spondylitis undergoing total hip arthroplasty.

Hip Int 2018 Sep 10:1120700018796378. Epub 2018 Sep 10.

Department of Orthopaedics, Chinese People's Liberation Army General Hospital (301 Hospital), Beijing, PR China.

Introduction: Sexual activity is often an important component of life. To date, no studies have examined sexual activity before and after total hip arthroplasty (THA) in male patients with ankylosing spondylitis (AS). The purpose of the current study was to evaluate the effect of THA on sexual activity and to explore the most commonly reported and comfortable coital position for male AS patients with hip involvement. Read More

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http://dx.doi.org/10.1177/1120700018796378DOI Listing

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September 2018
1 Read

Reply to the comment on the editorial "An attempt to throw light on congenital hip disease terminology and anticipation of clinical outcomes when treated with total hip arthroplasty" made by Denisov A.

Hip Int 2018 May;28(3):NP3

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http://dx.doi.org/10.1177/1120700018755363DOI Listing

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May 2018
1 Read

Letter regarding "An attempt to throw light on congenital hip disease terminology and anticipation of clinical outcomes when treated with total hip arthroplasty", by Hartofilakidis G et al.

Hip Int 2018 May;28(3):NP1-NP2

Vreden Russian Research Institute of Traumatology and Orthopaedics, Saint-Petersburg - Russia.

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http://dx.doi.org/10.1177/1120700018755362DOI Listing

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Correction of pelvic adduction during total hip arthroplasty reduces variability in radiographic inclination: findings of a randomised controlled trial.

Hip Int 2018 May;28(3):240-245

1 Primary Joint Unit, Musgrave Park Hospital, Belfast - UK.

Introduction: The study aims were to identify the incidence of pelvic adduction during total hip arthroplasty (THA) in lateral decubitus and to determine, when aiming for 35° of apparent operative inclination (AOI), which of 3 operating table positions most accurately obtained a target radiographic inclination (RI) of 42°: (1) horizontal; (2) 7° head-down; (3) patient-specific position based on correction of pelvic adduction.

Methods: With patients seated on a levelled theatre table, a ruler incorporating a spirit level was used to draw transverse pelvic lines (TPLs) on the skin overlying the pelvis and sacrum. Subsequently, when positioned in lateral decubitus these lines provided a measure of pelvic adduction. Read More

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http://dx.doi.org/10.1177/1120700018777480DOI Listing

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Implications of anticoagulant and antiplatelet therapy in patients presenting with hip fractures: a current concepts review.

Hip Int 2018 May;28(3):227-233

1 Orthopaedic Research Institute, Bournemouth University, Bournemouth UK.

The increasing use of anticoagulant and antiplatelet therapy for the prevention of thromboembolic disease poses a significant challenge to orthopaedic surgeons treating elderly patients presenting with proximal femoral fractures. Early surgical intervention is known to be beneficial from a clinical perspective and has been encouraged in the UK through the introduction of best practice tariffs providing increased remuneration for prompt treatment. An understanding of the necessary delay to surgery or reversal options for each type of antiplatelet or anticoagulant agent is therefore important. Read More

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http://dx.doi.org/10.1177/1120700018759300DOI Listing

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May 2018
9 Reads

Ceramic bearings for total hip arthroplasty are associated with a reduced risk of revision for infection.

Hip Int 2018 May;28(3):222-226

1 Harris Orthopaedic Laboratory, Massachusetts General Hospital, Boston, MA, USA.

Introduction: Periprosthetic joint infection (PJI) is a serious complication after total hip arthroplasty (THA) and bearing material's associations to PJI prevalence is largely unknown. The main purposes of this study were to determine if revision for infection varied depending on the type of bearing surface used in primary THA and to study whether patient or implant related factors had an effect on this variation.

Methods: A total of 177,237 primary THA procedures from the Australian Registry (AOANJRR) were analysed. Read More

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http://dx.doi.org/10.1177/1120700018776464DOI Listing

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Registry studies.

Authors:
James R Berstock

Hip Int 2018 May;28(3):221

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http://dx.doi.org/10.1177/1120700018778962DOI Listing

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May 2018
1 Read

Reducing variability in apparent operative inclination during total hip arthroplasty: findings of a randomised controlled trial.

Hip Int 2018 May;28(3):234-239

1 Primary Joint Unit, Musgrave Park Hospital, Belfast - UK.

Aims: To determine which of 3 methods of cup insertion most accurately achieved a target apparent operative inclination (AOI) of 35° ± 2.5°: (1) Freehand; (2) Modified Mechanical Alignment Guide (MAG); or (3) Digital Inclinometer assisted.

Methods: Using a cementless cup via a posterior approach in lateral decubitus 270 participants were recruited, with 90 randomised to each method. Read More

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http://dx.doi.org/10.1177/1120700018777485DOI Listing

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May 2018
4 Reads

Hip arthroplasty in haemophilia: a systematic review.

Hip Int 2018 Sep 20;28(5):459-467. Epub 2018 Aug 20.

4 Department of Community Medicine, Mashhad University of Medical Sciences, Iran.

Background: Rigorous haemostatic control and careful rehabilitation are essential for haemophilic patients undergoing total hip arthroplasty (THA).

Aim: to examine the current literature regarding THA in patients with haemophilia in order to determine clinical outcomes and complication rates.

Methods: We included 11 case reports/series and 9 original articles. Read More

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http://dx.doi.org/10.1177/1120700018793777DOI Listing

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September 2018
1 Read

Does lumbar arthrodesis compromise outcome of total hip arthroplasty?

Hip Int 2018 Aug 20:1120700018793373. Epub 2018 Aug 20.

6 Consultant Orthopaedic Surgeon, Royal Berkshire NHS Trust, Reading, UK.

Introduction: This matched cohort study aims to determine whether the presence of a spinal arthrodesis (SA) compromises outcome of total hip arthroplasty (THA) and whether the outcome is better if THA is performed before- (THA-1) or after- SA (THA-2).

Methods: This is a single centre, multi-surgeon, review of prospective data. Thirty-seven patients (47 hips) that had SA and 1° THA(s), formed the cases (26 THA-1; 21 THA-2). Read More

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http://dx.doi.org/10.1177/1120700018793373DOI Listing

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August 2018
10 Reads