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https://www.readbyqxmd.com/read/28913398/total-femur-arthroplasty-for-revision-hip-failure-in-osteogenesis-imperfecta-limits-of-biology
#1
Pablo Sanz-Ruiz, Manuel Villanueva-Martinez, Jose Antonio Calvo-Haro, Esther Carbó-Laso, Javier Vaquero-Martín
Osteogenesis imperfecta (OI) is a rare congenital disease characterized by alterations in bone quality, with susceptibility to fractures, instability, deformities, and osteoarthrosis. Prosthetic surgery in these patients is associated with an abnormally high rate of implant failures. On the other hand, abnormal bone fragility adds to the complexity of revision surgery in such individuals-thus representing a genuine challenge for the orthopaedic surgeon. We present a case of femoral reconstruction in a patient with OI and prosthetic loosening after reconstruction secondary to femoral septic pseudoarthrosis...
September 2017: Arthroplasty Today
https://www.readbyqxmd.com/read/28910774/influence-of-hip-prosthesis-size-and-its-coating-area-on-bone-remodelling
#2
B-A Behrens, A Bouguecha, M Lerch, H Windhagen, A Almohallami
We developed a numerical model to describe the bone remodelling process in periprosthetic bone tissues and validated it by means of dual energy X-ray absorptiometry methods (DEXA) with different types of hip implants. In this study we applied the numerical model to investigate the influence of implant size and of the size of the porous coated area on bone remodelling in a periprosthetic human femur in an effort to define properties of implants which would reduce bone remodelling after total hip arthroplasty...
September 11, 2017: IEEE Transactions on Nanobioscience
https://www.readbyqxmd.com/read/28902001/guided-growth-of-the-proximal-femur-for-the-management-of-hip-dysplasia-in-children-with-cerebral-palsy
#3
Nicola Portinaro, Marco Turati, Matteo Cometto, Marco Bigoni, Jon R Davids, Artemisia Panou
BACKGROUND: Progressive hip displacement is one of the most common and debilitating deformities seen in children with cerebral palsy (CP). The aim of this study was to evaluate the results of temporary medial hemiepiphysiodesis of the proximal femur (TMH-PF) using a transphyseal screw to control hip migration during growth in children with CP. METHODS: This was a retrospective study of children with CP and hip dysplasia, age 4 to 11 years and GMFCS levels III-V...
September 8, 2017: Journal of Pediatric Orthopedics
https://www.readbyqxmd.com/read/28900737/the-benefit-of-the-systematic-revision-of-the-acetabular-implant-in-favor-of-a-dual-mobility-articulation-during-the-treatment-of-periprosthetic-fractures-of-the-femur-a-49-cases-prospective-comparative-study
#4
A Perrin, M Saab, S Putman, K Benad, E Drumez, C Chantelot
INTRODUCTION: The SOFCOT symposium (2005) on periprosthetic fractures of the femur (PFFs) highlighted a high rate of dislocation (15.6% at 6 months) after change of prosthesis. So far, no study has ever proved the benefit of dual-mobility articulation during PFFs revisions. We conducted a comparative study on two prospective cohorts in order to (1) assess the influence of systematic acetabular revision in favor of a double mobility on dislocation rate (2) and in order to evaluate the rate of morbidity associated with this extra surgical procedure...
September 12, 2017: European Journal of Orthopaedic Surgery & Traumatology: Orthopédie Traumatologie
https://www.readbyqxmd.com/read/28899823/a-predictive-radiological-analysis-of-short-stems-versus-both-shortened-and-long-stems-in-primary-hip-replacement-a-case-control-study-of-100-cases-of-metha-versus-abg-ii-and-omnifit-ha-at-2-8-years-follow-up
#5
Jean-Alain Epinette, Michel Brax, Yves Chammaï
INTRODUCTION: Short hip stems, intended to conserve bone stock and ensure a more physiological distribution of stress in the femur under loading, are meeting with renewed interest. Radiologic semiology is not known exactly, particularly in relation to conventional implants; we therefore conducted a case-control study of 3 types of implant differing only in stem length: short, shortened or long. The aim was 1) to compare radiographic aspects, 2) to attempt to systematize medium-term radiologic status for the 3 types, and 3) to assess the impact of radiographic aspect on loosening and revision rates...
September 9, 2017: Orthopaedics & Traumatology, Surgery & Research: OTSR
https://www.readbyqxmd.com/read/28890120/fascia-iliaca-block-for-pain-control-in-hip-fracture-patients
#6
P Castillón, M Veloso, O Gómez, J Salvador, A Bartra, F Anglés
INTRODUCTION: Pain treatment for patients with hip fracture has been based on the use of nonsteroidal anti-inflammatories and opioid derived drugs. These medications have been associated with multiple adverse effects. Fascia iliaca block is a recent pain management alternative for these patients. The objective of this study was to evaluate the effectiveness of fascia iliaca block performed in the emergency room (ER) for patients over 65years of age with hip fracture. MATERIALS AND METHODS: A cohort of 216 patients, from January to December 2016, was studied prospectively...
September 7, 2017: Revista Española de Cirugía Ortopédica y Traumatología
https://www.readbyqxmd.com/read/28885652/vascularised-and-modified-lower-leg-rotationplasty-for-the-treatment-of-severe-infection-and-bone-loss-of-the-proximal-femur-a-case-report
#7
Sebastian Fischer, Christoph Hirche, Volkmar G Heppert, Paul A Grützner, Ulrich Kneser, Thomas Kremer
CASE DESCRIPTION: We report a reconstructive case in a paraplegic patient, who suffers from a severe proximal femur infection. Aiming at the preservation of the capacity to remain in a seated position to operate a wheelchair, lower leg rotationplasty was considered suitable for reconstruction. Due to severe infection and subclinical femoral artery stenosis, rotationplasty was supercharged by the inferior epigastric artery. Furthermore, extensor tendons of the foot were attached to the acetabulum to facilitate stability of the neo-hip joint...
September 2, 2017: Hip International: the Journal of Clinical and Experimental Research on Hip Pathology and Therapy
https://www.readbyqxmd.com/read/28882332/improving-stress-shielding-following-total-hip-arthroplasty-by-using-a-femoral-stem-made-of-%C3%AE-type-ti-33-6nb-4sn-with-a-young-s-modulus-gradation
#8
Go Yamako, Dennis Janssen, Shuji Hanada, Thomas Anijs, Kiyohide Ochiai, Koji Totoribe, Etsuo Chosa, Nico Verdonschot
Stress shielding-related bone loss occurs after total hip arthroplasty because the stiffness of metallic implants differs from that of the host femur. Although reducing stem stiffness can ameliorate the bone resorption, it increases stress at the bone-implant interface and can inhibit fixation. To overcome this complication, a novel cementless stem with a gradient in Young's modulus was developed using Ti-33.6Nb-4Sn (TNS) alloy. Local heat treatment applied at the neck region for increasing its strength resulted in a gradual decrease in Young's modulus from the proximal to the distal end, from 82...
August 24, 2017: Journal of Biomechanics
https://www.readbyqxmd.com/read/28878533/the-importance-of-pelvic-ring-stabilization-as-a-life-saving-measure-in-pre-hospital-a-case-report-commented-by-autopsy
#9
Carlos Durão, Magda Alves, André Barros, Frederico Pedrosa
Hip fractures with unstable pelvic ring have great morbidity and mortality rates. These fractures result from high energy trauma such as falls from heights, road accidents and collapsing structures or other similar mechanisms of action. We report the case of a 63 years old man, construction worker, who stood inside a ditch during a wall construction when he was surprised by this collapse, which resulted in direct trauma to the right thigh and pelvis. The autopsy revealed diaphysis fracture of the right femur with an open book pelvic fracture with severe hemorrhagic infiltration and hematoma of the pelvic muscles without arterial injury...
August 2017: Journal of Clinical Orthopaedics and Trauma
https://www.readbyqxmd.com/read/28869754/the-irisin-hormone-profile-and-expression-in-human-bone-tissue-in-the-bone-healing-process-in-patients
#10
Sancar Serbest, Uğur Tiftikçi, Hacı Bayram Tosun, Üçler Kısa
BACKGROUND Whether or not there is a relationship between the newly-discovered irisin hormone and bone healing is not yet known. The aim of this study was to investigate what effect irisin hormone has on the bone healing process. MATERIAL AND METHODS The study included 21 adult patients with a diagnosed fracture of the lower extremity (femur or tibia). Informed consent was obtained from all the patients. A total of four venous blood samples were taken from the patients: before fracture stabilization, then postoperatively on days 1, 10, and 60...
September 4, 2017: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
https://www.readbyqxmd.com/read/28867643/subtrochanteric-fractures-of-the-femur-treatment-with-locking-intramedullary-nailing-an-experience-without-c-arc-the-guide-wire-stopping-method-for-verify-distal-locking-is-described
#11
Saúl A Apóstol-González
OBJECTIVE: Evaluate the results of treatment of subtrochanteric fracture with interlocked intramedullary nail and describe a technical for accurate and secure verification of distal locking position when we do surgery without arc-C. METHODS: A case series where was reviewed the results in 49 patients with subtrochanteric fracture and treated locking intramedullary nailing. The AO and Russell-Taylor Classification were used. The statistic procedure was done with SPSS program...
August 30, 2017: Injury
https://www.readbyqxmd.com/read/28865425/silver-coated-modular-megaendoprostheses-in-salvage-revision-arthroplasty-after-periimplant-infection-with-extensive-bone-loss-a-pilot-study-of-34-patients
#12
Dirk Zajonz, Undine Birke, Mohamed Ghanem, Torsten Prietzel, Christoph Josten, Andreas Roth, Johannes K M Fakler
BACKGROUND: Hip and knee replacements in patients with bone defects after infection correlates with high rates of reinfection. In this vulnerable patient population, the prevention of reinfection is to be considered superordinate to the functionality and defect bridging. The use of silver coating of aseptic implants as an infection prophylaxis is already proven; however, the significance of these coatings in septic reimplantation of large implants is still not sufficiently investigated...
September 2, 2017: BMC Musculoskeletal Disorders
https://www.readbyqxmd.com/read/28862661/the-effect-of-taichi-practice-on-attenuating-bone-mineral-density-loss-a-systematic-review-and-meta-analysis-of-randomized-controlled-trials
#13
REVIEW
Liye Zou, Chaoyi Wang, Kevin Chen, Yankai Shu, Xiaoan Chen, Lin Luo, Xitang Zhao
Objective: The purpose of this study was to determine the effects of practicing Taichi on attenuating bone mineral density (BMD) loss. Methods: Both electronic and manual searches were performed for randomized controlled trials (RCTs) examining Taichi for bone health. Two review authors independently performed study selection and data extraction according to inclusion criteria. A third party (Lin Luo) emerged to discuss with the two review authors and resolve a disagreement. Results: Twenty RCTs were found to meet the inclusion criteria and used for meta-analysis with a total effective sample of 1604...
September 1, 2017: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/28859846/the-influence-of-the-hips-position-on-measurements-of-posterior-tilt-in-a-valgus-impacted-femoral-neck-fracture
#14
Sigurd Erik Hoelsbrekken, Filip C Dolatowski
INTRODUCTION: Lateral radiographs are important for the evaluation of Garden I and II femoral neck fractures. These fractures appear undisplaced in the anteroposterior view, but posterior tilt of the femoral head may still be present in the lateral view. The influence of posterior tilt is, however, debated, which could be caused by the use of non-standardized cross-table radiographs in the conflicting reports. The aim of this bone-model study was therefore to evaluate the influence of the hips position on measurements of posterior tilt...
August 26, 2017: Injury
https://www.readbyqxmd.com/read/28854938/the-assessment-of-femoral-shaft-morphology-in-the-sagittal-plane-in-chinese-patients-with-osteoarthritis-a-radiographic-analysis
#15
Zhengyuan Bao, Liang Qiao, Jianghui Qin, Jiacheng Xu, Sheng Zhou, Dongyang Chen, Dongquan Shi, Jin Dai, Yao Yao, Qing Jiang, Zhihong Xu
BACKGROUND: The purpose of this study was to analyze femoral shaft sagittal parameters in Chinese osteoarthritis (OA) patients undergoing total knee arthroplasty (TKA) and identify whether the parameters in the coronal plane could be predictors of those in the sagittal plane. METHODS: Standard long-standing anteroposterior and femoral lateral radiographs of 50 lower limbs in 50 Chinese OA patients were included. Sagittal femoral bowing angle (sFBA), angle between femoral distal anterior cortex axis and sagittal mechanical axis (DACSMA), angle between femoral distal anterior cortex axis and sagittal distal anatomic axis (DACSDAA), and angle between femoral sagittal mechanical axis and sagittal distal anatomic axis (SMADAA) were measured...
August 30, 2017: Journal of Orthopaedic Surgery and Research
https://www.readbyqxmd.com/read/28852332/radiographic-risk-factors-for-interprosthetic-femur-fractures
#16
Jason S Lipof, Ari D Amitai, Kyle T Judd, John T Gorczyca
PURPOSE: Total hip arthroplasty (THA) and total knee arthroplasty (TKA) are among the most common orthopaedic procedures performed in the United States annually. As the number of patients undergoing these procedures increases so too does the incidence of periprosthetic femur fractures. A number of these periprosthetic fractures occur between two ipsilateral implants, so-called interprosthetic fractures. Recent biomechanical data has challenged the importance of these interprosthetic distances, relating that cortical width and osteoporotic bone are more closely correlated with fracture than interprosthetic distance...
2017: Iowa Orthopaedic Journal
https://www.readbyqxmd.com/read/28852331/conversion-total-hip-arthroplasty-after-failed-basicervical-hip-fracture-fixation-a-case-report-and-review-of-literature
#17
Vineet Tyagi, Oluwaseun Akinbo
Proximal femur fractures are a common orthopedic injury, and it is estimated that their prevalence will continue to increase over the next twenty years. There has been much debate over the optimal management of basicervical fractures, which can be difficult to identify radiographically. There is also a role for conversion total hip arthroplasty in patients where fracture fixation fails. We present a case report of a proximal femur fracture managed as a basicervical fracture, and subsequently needing a conversion arthroplasty and revision surgery...
2017: Iowa Orthopaedic Journal
https://www.readbyqxmd.com/read/28852329/fascia-iliaca-block-for-reduction-of-anterior-native-hip-dislocation-a-case-report
#18
Christopher West, Yatish Ranganath, Michael Willey
Native hip dislocations require urgent reduction in a setting where adequate sedation and analgesia is essential. We have recently implemented the use of fascia iliaca blocks at our institution for preoperative pain management for patients with proximal femur fractures. In the setting of limited resources, alternate modalities for sedation and analgesia may need to be implemented to obtain a timely reduction for hip dislocations. We present a case report where of the use of a fascia iliaca block along with light sedation to obtain a successful, atraumatic reduction of an anterior dislocation of a native hip joint...
2017: Iowa Orthopaedic Journal
https://www.readbyqxmd.com/read/28851523/hip-osteoarthritis-as-a-predictor-of-the-fracture-pattern-in-proximal-femur-fractures
#19
I Aguado-Maestro, M Panteli, M García-Alonso, I García-Cepeda, P V Giannoudis
INTRODUCTION: Several authors have suggested a correlation between the fracture patterns of proximal femur fractures and the degree of hip osteoarthritis (HOA), but the current evidence to support this are insufficient. The aim of our study was to demonstrate whether there is an association between the grade of HOA and fracture pattern observed, in patients presenting with a fragility fracture of the proximal femur. MATERIALS AND METHODS: We contacted a retrospective review of all patients presenting to our institution with fragility fractures involving the proximal femur, between March 2012 and October 2013...
August 26, 2017: Injury
https://www.readbyqxmd.com/read/28851521/incidence-of-bone-protection-and-associated-fragility-injuries-in-patients-with-proximal-femur-fractures
#20
I Aguado-Maestro, M Panteli, M García-Alonso, A Bañuelos-Díaz, P V Giannoudis
OBJECTIVES: Our aim was to investigate whether patients presenting with fragility fractures of the proximal femur are receiving osteoporosis treatment and to assess the number of other fragility fractures they have sustained prior to admission. METHODS: All patients presenting to our institution with fragility fractures of the proximal femur within an 18-month period (January 2012-August 2013) were included. Patient demographics; fracture classification (AO/OTA); American Society of Anesthesiologists (ASA) grade; Abbreviated Mental Test Score (AMTS) on admission; type of operation; time to operation; peri-operative complications; length of hospital stay (LOS); walking status; osteoporotic medication; Dual-energy X-ray absorptiometry (DEXA) results; additional fragility fractures; and mortality were collected and analysed...
August 26, 2017: Injury
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