1,531 results match your criteria Hip International[Journal]


Venous thromboprophylaxis after total hip arthroplasty: aspirin, warfarin, enoxaparin, or factor Xa inhibitors?

Hip Int 2019 Apr 16:1120700019841600. Epub 2019 Apr 16.

Department of Orthopaedic Surgery, Stanford Hospital and Clinics, Redwood City, CA, USA.

Introduction: Debate over the ideal agent for venous thromboembolism (VTE) prophylaxis after total hip arthroplasty (THA) has led to changes in prescribing trends of commonly used agents. We investigate variation in utilisation and the differences in VTE incidence and bleeding risk in primary THA after administration of aspirin, warfarin, enoxaparin, or factor Xa inhibitors.

Methods: 8829 patients were age/sex matched from a large database of primary THAs performed between 2007 and 2016. Read More

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http://dx.doi.org/10.1177/1120700019841600DOI Listing

Is prophylaxis for heterotopic ossification with radiation therapy after THR associated with early loosening or carcinogenesis?

Hip Int 2019 Apr 16:1120700019842724. Epub 2019 Apr 16.

3 Laboratory of Orthopedics and Biomechanics, University of Ioannina, School of Medicine, Ioannina, Greece.

Introduction: Heterotopic ossification may develop after major hip surgeries, thus preventive strategies including radiation therapy and non steroid anti-inflammatory drugs are commonly employed. There are certain concerns regarding the effects of radiation therapy on implant loosening and carcinogenesis. Our study aims to evaluate whether radiation therapy results in implant loosening or radiation-induced tumours in the long term. Read More

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http://dx.doi.org/10.1177/1120700019842724DOI Listing

A review of the evolution of robotic-assisted total hip arthroplasty.

Hip Int 2019 May;29(3):232-238

2 Trauma and Orthopaedics, Royal Bournemouth and Christchurch Hospitals NHS Foundation Trust, Bournemouth, UK.

Introduction: Total hip arthroplasty (THA) is currently a very successful operation but continues to evolve as we try to perfect techniques and improve outcomes for our patients. Robotic hip surgery (RHS) began with the 'active' ROBODOC system in the 1980s. There were drawbacks associated with the original ROBODOC and most recently, the MAKO robot was introduced with early promising results. Read More

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http://dx.doi.org/10.1177/1120700019828286DOI Listing

Traction force for peroperative hip dislocation in hip arthroscopy.

Hip Int 2019 Apr 9:1120700019841579. Epub 2019 Apr 9.

Department of Orthopaedic Surgery, Reinier de Graaf Hospital, Delft, The Netherlands.

Objectives: Traction force widens the joint space during hip arthroscopy. It is unclear how much the traction force varies and if it is related to the joint space widening. Main goal of our study was to measure the amount of force needed to widen the hip joint. Read More

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http://dx.doi.org/10.1177/1120700019841579DOI Listing
April 2019
1 Read

Impact of femoroacetabular impingement and dysplasia of the hip on hip joint sphericity.

Hip Int 2019 Apr 9:1120700019834295. Epub 2019 Apr 9.

3 Wrightington Hospital, Wigan, UK.

Background: This paper presents a parametric investigation into the effect of femoroacetabular impingement (FAI) and developmental dysplasia of the hip (DDH) on the sphericity of the femoral supra-equatorial region and acetabulum.

Methods: Radiographic parameters from x-rays, sphericity calculations and visualisation and joint contact area and pressure from FE models of 10 DDH, FAI and normal hips were analysed and compared both within and between hip groups.

Results: The sphericity of the acetabulum and femoral head of both the DDH and FAI groups was found to be less than that for normal hips but the variation in sphericity was greater (range 2. Read More

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http://dx.doi.org/10.1177/1120700019834295DOI Listing

EHS Congress 2018 - abstract book.

Authors:

Hip Int 2018 Sep;28(1_suppl):3-187

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http://dx.doi.org/10.1177/1120700018801118DOI Listing
September 2018

A single-use, size-specific, nylon arthroplasty guide: a preliminary study for hip resurfacing.

Hip Int 2019 Apr 4:1120700019834918. Epub 2019 Apr 4.

1 MSk Laboratory, Department of Surgery and Cancer, Faculty of Medicine, Imperial College London, UK.

Introduction:: In arthroplasty surgery, positioning of the components must be accurate and reproducible to avoid complications. Conventional guides are often used to align a component, but they require surgical skill and experience, and are prone to error. To this end, a single-use, size-specific, nylon guide (single-use nylon guide) has been developed for the purpose of increasing the accuracy without adding extra cost to the operation. Read More

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http://dx.doi.org/10.1177/1120700019834918DOI Listing

Can a surgeon predict the longevity of a total hip replacement?

Hip Int 2019 Apr 4:1120700019839685. Epub 2019 Apr 4.

1 Laboratory for the Research of Musculoskeletal System "Th. Garofalidis", Medical School, University of Athens, General Hospital of Athens KAT, Greece.

Introduction:: The purpose of this study was to examine the ability of a surgeon to predict survival of a total hip replacement (THR) based on the patient's diagnosis, demographics, postoperative activity level and the surgical technique.

Methods:: 4 experienced hip surgeons were asked to predict the longevity of 131 Charnley THRs, performed by the senior author (GH) 22-35 years ago, by providing them with pre- and postoperative radiographs, and data concerning patient's diagnosis, demographics, postoperative activity level and the surgical technique. This process was repeated 3 months later. Read More

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http://dx.doi.org/10.1177/1120700019839685DOI Listing

Predicting outcomes of total joint arthroplasty using the distress and risk assessment method.

Hip Int 2019 Apr 4:1120700019836403. Epub 2019 Apr 4.

Rothman Institute at Thomas Jefferson University, PA, USA.

Background:: Psychological distress is presumed to be an important factor that can adversely impact the outcome of orthopaedic procedures. The Distress and Risk Assessment Method (DRAM) is an evaluation tool which assesses psychological distress in patients with low back pain. The purpose of this prospective study was to assess the influence of preoperative psychological distress, as determined by the DRAM score, on the functional outcomes of total joint arthroplasty (TJA). Read More

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http://dx.doi.org/10.1177/1120700019836403DOI Listing
April 2019
2 Reads

Patient outcomes after total hip arthroplasty in extreme elderly patients older than 80 years.

Hip Int 2019 Apr 4:1120700019837943. Epub 2019 Apr 4.

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

Background:: While extreme elderly patients (age 80 and above) benefit from joint replacement, there is controversy about whether their physical function improves as much as younger individuals following total hip arthroplasty.

Methods:: We completed a retrospective cohort study comparing extreme elderly total hip arthroplasty (THA) patients to younger patients. We obtained data from a large institutional repository of 2327 consecutive THAs performed from April 2011 through July 2016 at an American academic medical centre. Read More

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http://dx.doi.org/10.1177/1120700019837943DOI Listing

Mid-term follow-up after all-size acetabular revision and proposal for a stability classification system.

Hip Int 2019 Apr 4:1120700019839698. Epub 2019 Apr 4.

2 Arthro Surgery Group, Karol Wojtyla Hospital, Rome, Italy.

Background:: There is a trend for using jumbo cups/oblong devices for acetabular reconstruction as alternative to biological solutions. We report about a spectrum of reconstruction methods and their mid-term results.

Methods:: Inclusion of 214 consecutive patients undergoing total hip arthroplasty revision surgery. Read More

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http://dx.doi.org/10.1177/1120700019839698DOI Listing

Risk factors for femoral stem breakage: an analysis of the AOANJRR results.

Hip Int 2019 Apr 4:1120700019839206. Epub 2019 Apr 4.

5 AOA (Australian Orthopaedic Association) National Joint Replacement Registry, SAHMRI (South Australia Health and Research Institute), Adelaide, Australia.

Introduction:: Breakage of the femoral stem component of a total hip replacement is now uncommon but continues to be seen with certain stem designs and in certain patient groups. Data previously published on this topic has been limited, either gathered from a single surgeon or centre, or included only a single stem design.

Methods:: We reviewed the data from the Australian Orthopaedic Association National Joint Replacement Registry (AOANJRR), identified and analysed 143 stem breakages over a period of 16 years, covering 44 different stem designs. Read More

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http://dx.doi.org/10.1177/1120700019839206DOI Listing

non-arthroplasty iliopsoas impingement in athletes: a narrative literature review.

Hip Int 2019 Apr 3:1120700019831945. Epub 2019 Apr 3.

2 Department of Trauma and Orthopaedics, Addenbrooke's Hospital, Cambridge, UK.

Introduction:: Iliopsoas impingement occurs secondary to a tight iliopsoas tendon that causes impingement during movement. This review presents current aspects regarding the diagnosis of iliopsoas impingement and also exposes the readers to the possible anatomic and clinical variations together with the available treatment options.

Methods:: We conducted a narrative literature review with regard to non-arthroplasty iliopsoas impingement. Read More

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http://dx.doi.org/10.1177/1120700019831945DOI Listing

Heart transplant secondary to cobalt toxicity after hip arthroplasty revision.

Hip Int 2019 Apr 2:1120700019834793. Epub 2019 Apr 2.

University Hospital Puerta de Hierro Majadahonda, Madrid, Spain.

Introduction:: Cobalt toxicity in patients with hip arthroplasty is a rare complication, but it should be considered in those patients who, after a ceramic fracture, were implanted with a metal-on-polyethylene prosthesis. The complete removal of ceramic particles during revision surgery can be complicated. If the bearing surface is replaced with a metal-on-polyethylene prosthesis, these residual ceramic particles may wear down the chrome-cobalt head, producing localised metallosis. Read More

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http://dx.doi.org/10.1177/1120700019834793DOI Listing
April 2019
4 Reads

Surgical Approaches in Total Hip Arthroplasty Cost Per Case Analysis: A Retrospective, Matched, Micro-costing Analysis in a Socialised Healthcare System.

Hip Int 2019 Apr 2:1120700019839039. Epub 2019 Apr 2.

2 Alberta Health Services, Calgary, Alberta, Canada.

Background:: Total hip arthroplasty (THA) offers an effective method of pain relief and restoration of function for patients with end-stage arthritis. The anterior approach (AA) claims to benefit patients with decreased pain, increased mobilisation and decreasing length of hospital stay (LOS). In a socialised healthcare platform we questioned whether the AA, compared to posterior (PA) and lateral (LA) approaches, can decrease the cost burden. Read More

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http://dx.doi.org/10.1177/1120700019839039DOI Listing

Accuracy of leg length and femoral offset restoration after total hip arthroplasty with the utilisation of an intraoperative calibration gauge.

Hip Int 2019 Mar 29:1120700019836383. Epub 2019 Mar 29.

Department of Orthopaedic Surgery, Concord Repatriation General Hospital, Concord, Australia.

Background:: Offset and leg length (LL) restoration are critical for the achievement of a stable, well-functioning hip following total hip arthroplasty (THA). Several techniques are described in the literature, including a hip calibration gauge. We question whether meticulous preoperative planning of a specific surgical technique in combination with the utilisation of a calibration gauge can provide an accurate offset and LL restoration. Read More

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http://dx.doi.org/10.1177/1120700019836383DOI Listing
March 2019
4 Reads

Foot drop following primary total hip arthroplasty.

Hip Int 2019 Mar 26:1120700019835454. Epub 2019 Mar 26.

Arthroplasty Outcomes Unit, Primary Joint Unit, Musgrave Park Hospital, Stockman's Lane, Belfast, UK.

Introduction:: Foot drop is a potentially debilitating complication following injury to the sciatic nerve during primary total hip arthroplasty (THA). The aim of this study was to determine the incidence, risk factors and outcome of this complication within one large surgical practice.

Methods:: We analysed the records of 10,624 primary THAs carried out between January 1993 and November 2017 using a posterior approach. Read More

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http://dx.doi.org/10.1177/1120700019835454DOI Listing

Three-year results of a polycarbonate urethane acetabular bearing in total hip arthroplasty.

Hip Int 2019 Mar 26:1120700019836426. Epub 2019 Mar 26.

1 South West London Elective Orthopaedic Centre, Dorking, UK.

Background:: Polycarbonate urethane (PCU) is a bearing surface with a lower modulus of elasticity than polyethylene or ceramic and is thought to more closely replicate the tribology of native hyaline cartilage. The purpose of this study was to determine the clinical outcomes with the use of PCU in elective total hip arthroplasty (THA).

Methods:: We carried out a prospective observational study in which 157 patients underwent elective THA with a metal-on-PCU hip system. Read More

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http://dx.doi.org/10.1177/1120700019836426DOI Listing

Development and validation of the Brabant Hip Fracture Score for 30-day and 1-year mortality.

Hip Int 2019 Mar 26:1120700019836962. Epub 2019 Mar 26.

1 Department Trauma TopCare, Elisabeth-TweeSteden Hospital, Tilburg, the Netherlands.

Background:: Hip fractures in the elderly are associated with advanced comorbidities and high mortality rates. Mortality prediction models can support clinicians in tailoring treatment for medical decision making in frail elderly patients. The aim of this study was to develop and internally validate the Brabant Hip Fracture Score, for 30-day (BHFS-30) and 1-year mortality (BHFS-365) after hip fracture. Read More

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http://dx.doi.org/10.1177/1120700019836962DOI Listing
March 2019
1 Read

Total hip arthroplasty after acetabular fracture: does initial treatment make any difference to the outcome? A 5- to 23-year follow-up with clinical and radiological analysis.

Hip Int 2019 Mar 26:1120700019836413. Epub 2019 Mar 26.

3 Emeritus University of Paris Diderot, Paris, France.

Purpose:: To determine if initial treatment affects the outcome of total hip arthroplasty (THA) after acetabular fracture.

Methods:: 49 patients (49 hips) initially treated non-operatively followed some months later by THA in conjunction with acetabular reconstruction (Group 1) and 29 patients (29 hips) who had undergone THA after a previous osteosynthesis (Group 2) were assessed. The mean follow-up was 11. Read More

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http://dx.doi.org/10.1177/1120700019836413DOI Listing
March 2019
1 Read

Evaluation of the volume-value relationship in hip fracture care using evidence-based thresholds.

Hip Int 2019 Mar 26:1120700019837130. Epub 2019 Mar 26.

2 Department of Orthopaedic Surgery, Cleveland Clinic, Cleveland, OH, USA.

Background:: Studies have shown high-volume surgeons and hospitals deliver higher value care. The aims of this study were to establish meaningful thresholds defining high-volume surgeons and hospitals performing hip fracture surgery and to examine the relative market share of hip fracture cases using these surgeon and hospital strata.

Methods:: We performed a retrospective cohort study in a database of 103,935 patients undergoing hip fracture repair. Read More

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http://dx.doi.org/10.1177/1120700019837130DOI Listing
March 2019
1 Read
0.763 Impact Factor

Causes of in-hospital mortality after hip fractures in the elderly.

Hip Int 2019 Mar 25:1120700019835160. Epub 2019 Mar 25.

1 Rothman Institute at Thomas Jefferson University, PA, USA.

Objectives:: Although there are numerous studies reporting early mortality after hip fracture, the incidence and aetiology of in-hospital mortality following hip fractures is largely unknown. This study aimed to determine the causes and the incidence of in-hospital mortality in patients with a hip fracture who received surgical treatment.

Methods:: This was a multi-institutional retrospective study identifying 2464 consecutive patients >65 years of age who were treated for a hip fracture from 2000 to 2016 at 2 institutions. Read More

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http://dx.doi.org/10.1177/1120700019835160DOI Listing
March 2019
1 Read

Multivariate analysis of risk factors for re-dislocation after revision for dislocation after total hip arthroplasty.

Hip Int 2019 Mar 19:1120700019831628. Epub 2019 Mar 19.

3 Department of Orthopaedics, University of British Columbia, Vancouver, Canada.

Background:: The treatment for recurrent dislocation of a total hip arthroplasty is surgical using varied techniques and technologies to reduce the chances of re-dislocation and re-revision. The goal of this study is to compare operative techniques to reduce re-dislocation and re-revision in revision hip arthroplasty due to recurrent dislocations.

Methods:: A retrospective study of revision hip arthroplasties done due to recurrent dislocation prior to 01 January 2014. Read More

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http://dx.doi.org/10.1177/1120700019831628DOI Listing
March 2019
1 Read

Validation of the Super Simple Hip score combined with the University of California, Los Angeles activity scale for younger patients.

Hip Int 2019 Mar 19:1120700019835444. Epub 2019 Mar 19.

2 Bergman Clinics, Rijswijk, The Netherlands.

Introduction:: Patient-reported outcome measures (PROMs) are used increasingly, but for young patients with hip complaints, traditional scoring systems have a ceiling effect that limits their usability. We developed and validated the Super Simple Hip (SUSHI) score, a PROM specifically targeted at younger patients with hip complaints. Although the SUSHI measured hip problems adequately, the responsiveness of its activity rating component was considered inadequate. Read More

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http://dx.doi.org/10.1177/1120700019835444DOI Listing
March 2019
1 Read

Trochanteric spurs and surface irregularities on plain radiography are not predictive of greater trochanteric pain syndrome.

Hip Int 2019 Mar 11:1120700019835641. Epub 2019 Mar 11.

Musculoskeletal Research Unit, Bristol Medical School, University of Bristol, UK.

Purpose:: Surface irregularities of the greater trochanter have been described as a potential radiographic sign of greater trochanteric pain syndrome (GTPS). We report a diagnostic accuracy study to evaluate the clinical usefulness of trochanteric surface irregularities on plain radiographs in the diagnosis of GTPS.

Methods:: We retrospectively identified the anteroposterior pelvic radiographs of a consecutive group of 38 patients (representing a 27. Read More

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http://dx.doi.org/10.1177/1120700019835641DOI Listing
March 2019
8 Reads

Pseudotumours, cobalt and clinical outcome in small head metal-on-metal versus conventional metal-on-polyethylene total hip arthroplasty.

Hip Int 2019 Mar 6:1120700019832877. Epub 2019 Mar 6.

5 Department of Orthopaedic Surgery, Martini Hospital Groningen, The Netherlands.

Background:: Metal-on-metal total hip arthroplasty (MoM THA) is associated with the formation of pseudotumours. Studies mainly concern pseudotumour formation in large head MoM THA. We performed a long-term follow-up study, comparing pseudotumour incidence in small head metal-on-metal (SHMoM) THA with conventional metal-on-polyethylene (MoP) THA. Read More

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http://dx.doi.org/10.1177/1120700019832877DOI Listing
March 2019
4 Reads

The rising use of total hip arthroplasty for femoral neck fractures in the United States.

Hip Int 2019 Mar 5:1120700019832989. Epub 2019 Mar 5.

2 Department of Orthopaedic Surgery, University of Alabama at Birmingham, AL, USA.

Background:: We examined the trends in the treatment of femoral neck fractures with arthroplasty in the United States from 2004-2013.

Methods:: We used the National Inpatient Sample database in conjunction with codes from the International Classification of Diseases, Ninth Revision, to identify patients receiving hemiarthroplasty (HA) or total hip arthroplasty (THA) for the treatment of closed femoral neck fracture from 2004-2013. We evaluated the trend of these 2 treatments along with demographics, comorbidities, length of stay and same admission mortality. Read More

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http://dx.doi.org/10.1177/1120700019832989DOI Listing
March 2019
2 Reads
0.763 Impact Factor

Effect of pelvic tilt and rotation on cup orientation in standing anteroposterior radiographs.

Hip Int 2019 Mar 5:1120700019831665. Epub 2019 Mar 5.

2 Center for Computer Assisted and Reconstructive Surgery, New England Baptist Hospital, Tufts University School of Medicine, Boston, USA.

Background:: Individual pelvic tilt and rotation have wide variability that can affect the measurement of cup orientation in anteroposterior (AP) radiographs. The purpose of this study was to analyse the effect of pelvic tilt and rotation on radiographic measurements of cup orientation.

Methods:: A total of 53 patients (63 hips) were included in this study. Read More

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http://dx.doi.org/10.1177/1120700019831665DOI Listing
March 2019
7 Reads

Obesity is not associated with hip failure in patients with articular surface replacement of the hip.

Hip Int 2019 Mar 1:1120700019828705. Epub 2019 Mar 1.

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

Background:: Our main aim was to investigate whether obese patients were at increased risk of elevated metal ion levels and/or adverse local tissue reaction (ALTR) after being treated with articular surface replacement (ASR) hip arthroplasty.

Methods:: This study included 360 patients who underwent metal-on-metal (MoM) hip resurfacing (HRA) or total hip arthroplasty (THA). 95 patients (26%) were underweight/normal weight (BMI < 25 kg/m), 139 (39%) were overweight (BMI 25-30 kg/m), and 126 (36%) were obese (BMI ⩾ 30 kg/m). Read More

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http://journals.sagepub.com/doi/10.1177/1120700019828705
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http://dx.doi.org/10.1177/1120700019828705DOI Listing
March 2019
6 Reads

Pre-fracture medication use as a predictor of 30-day mortality in hip fracture patients: an analysis of 141,201 patients.

Hip Int 2019 Mar 1:1120700019832603. Epub 2019 Mar 1.

4 Department of Clinical Biochemistry, Bispebjerg Hospital, University of Copenhagen, Denmark.

Purpose:: To evaluate the predictive value of pre-fracture medication usage on 30-day mortality following a hip fracture.

Methods:: Information on age, sex, fracture type, time of death and Charlson co-morbidity index (CCI) was collected from the Danish National Patient Registry on all patients above 60 years, sustaining a hip fracture during the period January 1995 to December 2013. Information on drug usage was obtained from the Danish National Prescription Database. Read More

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http://dx.doi.org/10.1177/1120700019832603DOI Listing
March 2019
1 Read

Natural history of lateral femoral cutaneous nerve neuropraxia after anterior approach total hip arthroplasty.

Hip Int 2019 Mar;29(2):161-165

Division of Orthopaedic Surgery, Department of Surgery, The Ottawa Hospital, University of Ottawa, Ontario, Canada.

Aim:: The aim of this study was to examine the natural history of lateral femoral cutaneous nerve (LFCN) neuropraxia in a previously reported cohort of individuals after direct anterior approach (DAA).

Methods:: 99 patients (107 hips) with LFCN neuropraxia were identified, out of which 82 patients (87 hips) (83.1%) completed functional outcomes questionnaires at mean follow-up of 5. Read More

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http://dx.doi.org/10.1177/1120700019827201DOI Listing

10-year results of ReCap hip resurfacing arthroplasty: a non-designer case series.

Hip Int 2019 Feb 25:1120700019832260. Epub 2019 Feb 25.

Bedford Hospital, Bedford, UK.

Introduction:: We present the 10-year results of the ReCap Magnum HRA system in a consecutive single surgeon's series from a non-designer centre.

Patients And Methods:: Hip resurfacing arthroplasty (HRA) was performed in active males under 65 years and in pre-menopausal females with adequate bone density proven by a DEXA scan. Clinical follow-up; annual Oxford hip scoring, UCLA scoring and whole blood metal ion level measurement. Read More

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http://dx.doi.org/10.1177/1120700019832260DOI Listing
February 2019
4 Reads

Clostridium difficile colitis in patients undergoing surgery for hip fractures: an analysis of 17,474 patients.

Hip Int 2019 Feb 25:1120700019831950. Epub 2019 Feb 25.

Department of Orthopaedics, The Ohio State University Wexner Medical Center, OH, USA.

Background:: We compiled evidence from a large national surgical database to identify the incidence, risk factors and postoperative impact of Clostridium difficile infection (CDI) in patients undergoing hip fracture repair.

Methods:: We identified 17,474 patients who underwent hip fracture repairs in 2015 using the ACS-NSQIP database. Interventions studied were open reduction/Internal fixation, total hip arthroplasty or hemiarthroplasty being performed for traumatic hip fractures. Read More

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http://dx.doi.org/10.1177/1120700019831950DOI Listing
February 2019
1 Read

A minimally invasive technique to remove broken cemented stems and its reconstruction with cement-in-cement.

Hip Int 2019 Jan;29(1):NP1-NP5

1 Department of Orthopaedic Surgery, Adult Reconstruction, Austral University Hospital, Buenos Aires, Argentina.

Introduction:: Historically the removal of fractured stems was associated with complex revision and loss of bone stock. This study describes a minimally invasive procedure for extraction of the distal part of a broken cemented stem that does not compromise the bone stock and results with the cement-in-cement reconstruction technique.

Materials And Method:: 7 patients with an average age of 74 years who underwent total hip replacement (THR) revision for fracture of femoral stems were included. Read More

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http://dx.doi.org/10.1177/1120700018811621DOI Listing
January 2019

Variation in greater trochanteric lateroversion: a risk factor for femoral stem varus in total hip arthroplasty.

Hip Int 2019 Feb 14:1120700018825248. Epub 2019 Feb 14.

Department of Orthopaedic Surgery, The 1st Affiliated Hospital of Harbin Medical University, Harbin, Heilongjaing Province, China.

Introduction:: Correct implant positioning is required to achieve adequate biomechanics. The greater trochanter is more medially or laterally positioned in some patients, known as trochanteric lateroversion. However, studies have not identified correlations between postoperative coronal alignment and variation in greater trochanteric lateroversion. Read More

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http://dx.doi.org/10.1177/1120700018825248DOI Listing
February 2019
6 Reads

Superior migration of the femoral head in patients with severe hip osteoarthritis influences the gait patterns of the coronal plane.

Hip Int 2019 Feb 13:1120700019827250. Epub 2019 Feb 13.

1 Department of Rehabilitation Medicine, Gunma University Graduate School of Medicine, Gunma, Japan.

Introduction:: Patients with hip osteoarthritis (OA) show abnormal movement patterns, including the leaning of the trunk toward the affected limb (Duchenne limp). Patients with severe OA, especially those with OA due to hip dysplasia, show a lateral pelvic drop (Trendelenburg sign).

Aim:: The aim of this preoperative study is to investigate the relationship between superior migration of the arthritic femoral head, pain, and hip abductor muscle strength, and to clarify the relationship between the coronal plane gait patterns with pain and hip abductor muscle strength. Read More

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http://dx.doi.org/10.1177/1120700019827250DOI Listing
February 2019
21 Reads

Adverse reaction to metal debris after small-head diameter metal-on-metal total hip arthroplasty: an increasing concern.

Hip Int 2018 Nov;28(2_suppl):35-42

3 IRCCS Istituto Ortopedico Galeazzi, Hip Department, Milan, Italy.

Introduction:: Failures due to adverse reaction to metal debris (ARMD) have become an area of common focus among surgeons performing hip replacements. Several authors have reported data on the prevalence of these masses, in both symptomatic and asymptomatic patients after either large-diameter head metal-on-metal (MoM) total hip arthroplasty (THA) or hip resurfacing arthroplasty, with a large variability of rate. To our knowledge, few data are reported on the association of this lesion with the use of small-head diameter MoM. Read More

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http://dx.doi.org/10.1177/1120700018812993DOI Listing
November 2018
2 Reads

Clinical and radiological outcomes of acetabular revision with the Delta Revision TT cup.

Hip Int 2018 Nov;28(2_suppl):54-60

1 Orthopaedic Department, San Gerardo Hospital, University of Milano-Bicocca, Monza, Italy.

Introduction:: This study evaluates mid-term results of acetabular revision using a hemispherical acetabular cup in Trabecular Titanium with a cage construct.

Methods:: We reviewed 36 acetabular revisions performed with the Delta Revision TT cup in 34 patients (mean age = 75, range: 45-92 years). Acetabular defect types (Paprosky classification) included (1) 2B ( n = 5), (2) 2C ( n = 7), (3) 3A ( n = 15), and (4) 3B ( n = 9). Read More

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http://dx.doi.org/10.1177/1120700018813224DOI Listing
November 2018
1 Read

Mid-term results with a neck-preserving femoral stem for total hip arthroplasty.

Hip Int 2018 Nov;28(2_suppl):28-34

1 Joint Replacement Division, Department of Orthopedic Surgery and Trauma, ASST Niguarda Hospital, Milan, Italy.

Introduction:: This prospective study aims to evaluate the mid-term clinical and radiological performance of a new short, neck-preserving femoral stem in total hip arthroplasty (THA).

Patients And Methods:: 178 consecutive patients (190 hips) underwent THA from November 2008 to July 2016. Mean follow-up is 62. Read More

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http://dx.doi.org/10.1177/1120700018813216DOI Listing
November 2018
2 Reads

Tension-free closure with capsular lengthening in mini posterior total hip replacement.

Authors:
Nicola Santori

Hip Int 2018 Nov;28(2_suppl):3-9

Rome American Hospital, Rome, Italy.

Purpose:: Choice of the best mini invasive surgical approach for total hip replacement remains a controversial topic. The posterior approach is traditionally associated with a higher dislocation rate and the obligation of postoperative restrictions. Soft tissue repair reduces the risk of dislocation yet, posterior closure it is often challenging because of capsular and external rotator contractures. Read More

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http://dx.doi.org/10.1177/1120700018813217DOI Listing
November 2018
2 Reads

A minimum 20-year outcome of 100 consecutive alumina-on-alumina arthroplasties performed by a single surgeon.

Hip Int 2018 Nov;28(2_suppl):10-14

Department of Neuroscience and Organs of Sense, Orthopaedic Unit, Faculty of Medicine and Surgery, University of Bari, Italy.

Background:: Ceramic-on-ceramic (CoC) is currently a viable bearing combination in primary total hip arthroplasty (THA) and, due to its mechanical properties, it can be used in young patients requiring a long-lasting implant. The aim of this study is to report the results of a series of CoC THAs at a minimum 20 years follow-up.

Methods:: A retrospective study was conducted on the 1st 100 consecutive alumina-on-alumina arthroplasties performed by a single surgeon on 51 females and 40 males with an average age of 60. Read More

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http://dx.doi.org/10.1177/1120700018813218DOI Listing
November 2018
2 Reads

Surgical prevention of femoral neck fractures in elderly osteoporotic patients: a randomised controlled study on the prevention nail system device.

Hip Int 2018 Nov;28(2_suppl):78-83

1 I.R.C.C.S. - Istituto Ortopedico Rizzoli, Bologna, Italy.

Introduction:: Hip fractures represent an enormous challenge for our health care system. The aim of this randomised controlled trial was to assess both efficacy and safety of a novel device called Prevention Nail System (PNS) and developed for the surgical prevention of a contralateral femoral neck fracture (FNF) in elderly osteoporotic patients.

Methods:: Primary outcome was to evaluate, in patients suffering from osteoporotic FNF, the effectiveness of PNS in reducing the incidence of a contralateral hip fracture. Read More

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http://dx.doi.org/10.1177/1120700018813207DOI Listing
November 2018
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ABO system is not associated with proximal femoral fracture pattern in Southern Italy.

Hip Int 2018 Nov;28(2_suppl):84-88

4 Department of Musculoskeletal Disorders, Faculty of Medicine and Surgery, University of Salerno, Baronissi, Italy.

Introduction:: The mechanism that leads to a given fracture pattern is not understood. Heredity could act in this field through the ABO system. We investigated the relationship between ABO blood system and hip fracture pattern in a population from Southern Italy. Read More

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http://dx.doi.org/10.1177/1120700018813219DOI Listing
November 2018
5 Reads

Double-trabecular metal cup technique for the management of Paprosky type III defects without pelvic discontinuity.

Hip Int 2018 Nov;28(2_suppl):66-72

2 Hip Diseases and Joint Replacement Surgery Unit, Humanitas Clinical and Research Centre, Milan, Italy.

Introduction:: Modular reconstruction systems based on trabecular metal (TM) prosthetic components have been increasingly used in the last decade for the management of severe acetabular bone defects. The aim of this study was to assess the clinical and radiographic outcomes of double-cup technique for the management of Paprosky type III defects without pelvic discontinuity.

Methods:: A retrospective review was performed for all patients undergoing acetabular reconstruction with 2 TM cups at a tertiary referral centre between 2010 and 2015. Read More

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http://dx.doi.org/10.1177/1120700018813208DOI Listing
November 2018
3 Reads

Stemless hip arthroplasty versus traditional implants: a comparative observational study at 30 months follow-up.

Hip Int 2018 Nov;28(2_suppl):21-27

Department of Orthopaedics, Università Cattolica del Sacro Cuore-Fondazione Policlinico Universitario A. Gemelli IRCCS, Rome, Italy.

Introduction:: The aim of this retrospective case-control study is to evaluate clinical and radiographic results of short stems compared with traditional hip prostheses.

Methods:: 46 short stems (SS) and 50 traditional stems (TS) were selected. All the stems were implanted by the same surgeon using posterior approach because of primary osteoarthritis, post-traumatic osteoarthritis and avascular necrosis. Read More

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http://dx.doi.org/10.1177/1120700018813209DOI Listing
November 2018
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Is there still a role for threaded acetabular cups?

Hip Int 2018 Nov;28(2_suppl):15-20

1 U.O. Complex II Division, Gaetano Pini Orthopaedic Institute, Milan, Italy.

Introduction:: Total hip arthroplasty (THA) is 1 of the most common procedures in orthopaedic surgery. Different options and implants are currently available. Uncemented hip cups need primary stability for bone ingrowth, the use of screws is required when the desired stability is not achieved. Read More

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http://dx.doi.org/10.1177/1120700018813210DOI Listing
November 2018
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Double-tapered conical taper in primary and revision surgery: rationale and short-term follow-up.

Hip Int 2018 Nov;28(2_suppl):73-77

1 Orthopaedic and Traumatology, Fondazione IRCCS Policlinico San Matteo, Pavia, Italy.

Background:: The new double-conical tapered stem is a novel cementless modular system, which is indicated for both primary and revision surgeries. It has been designed with different angles at the proximal (5°) and distal sections (1° 36') in order to obtain optimal fixation by proximal and distal fit and fill of the femoral canal.

Aim:: The aim of this prospective study was to evaluate the short-term clinical and radiographic outcomes of primary and revision hip surgery with the new double-conical stem. Read More

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http://dx.doi.org/10.1177/1120700018812990DOI Listing
November 2018
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Metal ion trend in patients with metal-on-metal total hip arthroplasty: a 10-year prospective study.

Hip Int 2018 Nov;28(2_suppl):43-47

Department of Orthopaedics and Traumatology, ASST Papa Giovanni XXIII, Bergamo, Italy.

Introduction:: There have been reported adverse reactions in patients with large head metal-on-metal hip arthroplasty, therefore metal particle debris are a cause for concern. The aim of this study was to evaluate the release trend of metal ions and the correlated variables.

Methods:: 54 patients were prospectively enrolled into the study from 2004 to 2006. Read More

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http://journals.sagepub.com/doi/10.1177/1120700018812991
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http://dx.doi.org/10.1177/1120700018812991DOI Listing
November 2018
2 Reads

Trabecular Titanium acetabular cups in hip revision surgery: mid-term clinical and radiological outcomes.

Hip Int 2018 Nov;28(2_suppl):61-65

1 Franco Scalabrino Orthopaedic Institute of Southern Italy, Messina, Italy.

Introduction:: Severe acetabular bone loss during revision hip arthroplasty can be restored with different surgical techniques. Best results have been observed using porous tantalum cementless cups. Trabecular Titanium (TT) cups were designed to reproduce the structure, mechanical and biological characteristics of trabecular bone. Read More

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http://dx.doi.org/10.1177/1120700018812992DOI Listing
November 2018
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MRI findings, metal ion levels and clinical outcome of a complete series of large metal on metal THA: what's really going on?

Hip Int 2018 Nov;28(2_suppl):48-53

2 IRCCS Istituto Ortopedico Galeazzi, Hip Department, Milan, Italy.

Introduction:: Metal-on-metal (MoM) large head total hip arthroplasties (THAs) were discontinued early after their introduction because of the high number of failures due to adverse reaction to metal debris (ARMD). Aim of this study is to report the clinical outcome at a mid-term follow-up (FU) of a series of large-head MoM THA.

Methods:: In this prospective study, 25 hips (24 patients, 3 males, 21 females, mean age 62. Read More

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http://dx.doi.org/10.1177/1120700018813223DOI Listing
November 2018
2 Reads