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https://www.readbyqxmd.com/read/29166684/-implantation-of-a-modular-distal-femoral-replacement-with-compressive-osseointegration-as-a-salvage-procedure-in-a-complex-femoral-posttraumatic-setting
#1
Anna Janine Schreiner, Peter Marten de Zwart, Christian Arnscheidt, Ulrich Stöckle, Björn Gunnar Ochs
Background Large bone defects and losses play a crucial role in both tumour surgery and in complex primary and revision total knee replacement. The established options of cemented or uncemented long intramedullary stems are limited by large bone defects and are at risk from relatively high exposure to aseptic loosening. There is no general valid agreement on implant fixation of the distal femur. A further option is the cementless fixation method with compressive osseointegration, based on the so-called Wolff law of bone remodelling...
November 22, 2017: Zeitschrift Für Orthopädie und Unfallchirurgie
https://www.readbyqxmd.com/read/29154229/iliac-fascia-compartment-block-and-analgesic-consumption-in-patients-operated-on-for-hip-fracture
#2
Mateusz Klukowski, Rafał Kowalczyk, Grzegorz Górniewski, Paweł Łęgosz, Marek Janiak, Janusz Trzebicki
BACKGROUND: Fractures of the proximal femur in elderly patients are a challenge for orthopedics, anesthe-sio-logy and geriatrics. Early mobilization reduces postoperative mortality among these patients. Effective anal-gesia is necessary to achieve this goal. MATERIAL AND METHODS: A retrospective analysis of perioperative medical records of 78. patients undergoing surgical treatment of proximal femur fractures was performed. Group 1 (n=35)consisted of patients who were treated with pharmacologic analgesia only (systemic analgesics) and Group 2 (n=43) involved patients who re-ceived a preoperative fascia iliaca compartment block (FICB) and pharmacologic analgesia...
October 31, 2017: Ortopedia, Traumatologia, Rehabilitacja
https://www.readbyqxmd.com/read/29153707/the-influence-of-muscle-activation-on-impact-dynamics-during-lateral-falls-on-the-hip
#3
Daniel R Martel, Iris C Levine, Steven P Pretty, Andrew C Laing
Muscle activation has been demonstrated to influence impact dynamics during scenarios including running, automotive impacts, and head impacts. This study investigated the effects of targeted muscle activation magnitude on impact dynamics during low energy falls on the hip with human volunteers. Fifteen university-aged participants (eight females, seven males) underwent 12 lateral pelvis release trials. Half of the trials were muscle-'relaxed'; in the remaining 'contracted' trials participants isometrically contracted their gluteus medius to 20-30% of maximal voluntary contraction before the drop was initiated onto a force plate...
November 10, 2017: Journal of Biomechanics
https://www.readbyqxmd.com/read/29152500/application-of-3d-technology-and-printing-for-femoral-derotation-osteotomy-case-and-technical-report
#4
Nicolás Fiz, Diego Delgado, Xabier Sánchez, Pello Sánchez, Ane Miren Bilbao, Jaime Oraa, Mikel Sánchez
In some surgical techniques like femoral derotation osteotomy, accuracy is a key factor that often is not optimal because of the lack of appropriate technology. 3D printing is emerging in many professional areas and its use in the medical field may enhance the results of certain surgeries. This case describes a patient who underwent an intramedullary nail fixation to treat a femoral shaft fracture. After nine months, the patient presented hip pain and "in toe" walking caused by a malrotation produced during the surgery...
October 2017: Annals of Translational Medicine
https://www.readbyqxmd.com/read/29149651/anthropometric-measurements-in-iranian-men
#5
Jaber Gharehdaghi, Maryam Baazm, Masoud Ghadipasha, Sadra Solhi, Farhoud Toutounchian
There is inevitable need for data regarding anthropometric measurements of each community's population. These anthropometric data have various applications, including health assessment, industrial designing, plastic & orthopedic surgery, nutritional studies, anatomical studies and forensic medicine investigations. Anthropometric parameters vary from race to race throughout the world, hence providing an anthropometric profile model of residents of different geographic regions seems to be necessary. To our knowledge, there is no report of bone parameters of the Iranian population...
November 14, 2017: Journal of Forensic and Legal Medicine
https://www.readbyqxmd.com/read/29147761/single-leg-spica-provides-adequate-stability-after-open-reduction-in-developmental-dysplasia-of-the-hip
#6
Nabil Alassaf
INTRODUCTION: The late detection of developmental dysplasia of the hip (DDH) will remain a major concern in some parts of the world until effective screening programs become available. With late diagnosis comes the need for open surgical reduction. Surgery is invariably followed by a period of immobilisation in a spica cast to prevent postoperative displacement. The goal of this study is to evaluate the effect of double-leg spica as compared to single-leg spica, on the risk of displacement after unilateral open reduction of the hip...
November 16, 2017: Archives of Orthopaedic and Trauma Surgery
https://www.readbyqxmd.com/read/29145330/pathologic-femoral-fracture-due-to-tenofovir-induced-fanconi-syndrome-in-patient-with-chronic-hepatitis-b-a-case-report
#7
You-Sung Suh, Dong-Il Chun, Sung-Woo Choi, Hwan-Woong Lee, Jae-Hwi Nho, Soon-Hyo Kwon, Jae-Ho Cho, Sung Hun Won
RATIONALE: We report a case of a hepatitis B virus (HBV)-positive patient with preexisting bone disease who developed tenofovir-induced Fanconi syndrome and subsequently sustained pathologic fracture. To our best knowledge, this is the first report in the English literature about pathologic femoral fracture due to tenofovir-induced Fanconi syndrome in patient with chronic hepatitis B (CHB). The present report describes detailed our experience with the diagnosis of pathologic femoral fracture due to tenofovir-induced Fanconi syndrome and treatment...
November 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29141360/-total-hip-arthroplasty-in-patients-with-psoriatic-arthritis
#8
Y Li, X S Weng, J Lin, J Jin, W W Qian
Objective: To evaluate the clinical efficacy of Total hip arthroplasty (THA) in treating the hip joint involvement of Psoriatic arthritis (PsA). Methods: From January 2005 to December 2016, a total of 15 PsA patients (20 hip joints) underwent THA in Department of Orthopaedics, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College. All the patients had obvious restriction in daily life before operation. The mean Harris score was 25.2 averagely and the mean total range of the hip joint movement was 39...
November 7, 2017: Zhonghua Yi Xue za Zhi [Chinese medical journal]
https://www.readbyqxmd.com/read/29138386/reverse-less-invasive-stabilization-system-liss-plating-for-proximal-femur-fractures-in-poliomyelitis-survivors-a-report-of-two-cases
#9
Chen Yao, Dongxu Jin, Changqing Zhang
BACKGROUND Poliomyelitis is a neuromuscular disease which causes muscle atrophy, skeletal deformities, and disabilities. Treatment of hip fractures on polio-affect limbs is unique and difficult, since routine fixation methods like nailing may not be suitable due to abnormal skeletal structures. CASE REPORT We report one femoral neck fracture and one subtrochanteric fracture in polio survivors successfully treated with reverse less invasive stabilization system (LISS) plating technique. Both fractures were on polio-affected limbs with significant skeletal deformities and low bone density...
November 15, 2017: American Journal of Case Reports
https://www.readbyqxmd.com/read/29137619/percutaneous-medial-hemi-epiphysiodesis-using-a-transphyseal-screw-for-caput-valgum-associated-with-developmental-dysplasia-of-the-hip
#10
Chang Ho Shin, Wan Kee Hong, Doo Jae Lee, Won Joon Yoo, In Ho Choi, Tae-Joon Cho
BACKGROUND: The purpose of this study was to evaluate the radiologic outcome of percutaneous medial hemi-epiphysiodesis using a transphyseal screw for the management of caput valgum associated with developmental dysplasia of the hip (DDH). METHODS: Eighteen hips (18 patients) having caput valgum treated with screw hemi-epiphysiodesis were followed for more than 2 years, and were included in this study. The mean age at the time of the index operation was 8.3 years (range, 4...
November 14, 2017: BMC Musculoskeletal Disorders
https://www.readbyqxmd.com/read/29137295/clinical-outcome-of-dynamic-hip-locking-plates-and-proximal-femoral-nails-anti-rotation-asia-for-treating-intertrochanteric-femur-fracture-with-lateral-wall-fractures-in-the-elder-patients
#11
Hui Xie, Zhan Wang, Junji Zhang, Langhai Xu, Bao Chen
Purpose: To compare the clinical results of DHLP (Dynamic hip locking plates) and PFNA-IIs (proximal femoral nails anti-rotation-Asia) for treating intertrochanteric femur fracture (IFF) with lateral wall fractures in the elder patients and provide a rationale for the clinical practice. Methods: A retrospective analysis of 43 patients of IFF with lateral wall fractures was performed from December 2009 to April 2015. Intraoperative variables and postoperative complications and function were compared between the two groups...
October 10, 2017: Oncotarget
https://www.readbyqxmd.com/read/29134317/the-impact-of-canal-flare-index-on-leg-length-discrepancy-after-total-hip-arthroplasty
#12
Peter Brumat, Borut Pompe, Vane Antolič, Blaž Mavčič
INTRODUCTION: The femoral stem should protrude from femur by an appropriate vertical distance to allow leg length equalization at hip arthroplasty; this distance depends on the size/shape of medullary canal and implant. The relationship between femoral morphology and achievability of leg length restoration is currently unclear. Our aim was to examine the impact of the femoral canal flare index (CFI) on the risk of leg length discrepancy (LLD) after total hip arthroplasty with different femoral stems...
November 13, 2017: Archives of Orthopaedic and Trauma Surgery
https://www.readbyqxmd.com/read/29134283/investigation-of-the-relation-between-bone-mass-density-and-serum-preptin-levels-in-pre-and-postmenopausal-women
#13
Saeed Nazari Soltan Aahmad, Sajjad Nourollahi, Faranak Kazerouni, Nahid Kianmehr, Hamed Hajipour, Davoud Sanajou, Vahid Hosseini
Preptin is a peptide hormone co-secreted with insulin and amylin from pancreatic β cells. It has been demonstrated to have osteogenic effects both in vitro and in vivo. In the present study, serum preptin levels were measured in pre- and postmenopausal women with similar body mass indexes (BMIs) to elucidate its link with bone mineral density (BMD). Sixty women (30 premenopausal and 30 postmenopausal) with low bone mineral density were studied. The BMD scores, serum preptin levels and serum estradiol levels were measured...
November 13, 2017: Journal of Bone and Mineral Metabolism
https://www.readbyqxmd.com/read/29126427/a-murine-model-for-developmental-dysplasia-of-the-hip-ablation-of-cx3cr1-affects-acetabular-morphology-and-gait
#14
George Feldman, Arlene Offemaria, Hind Sawan, Javad Parvizi, Theresa A Freeman
BACKGROUND: Developmental dysplasia of the hip (DDH) is a debilitating condition whose distinguishing signs include incomplete formation of the acetabulum leading to dislocation of the femur, accelerated wear of the articular cartilage and joint laxity resulting in osteoarthritis. It is a complex disorder having environmental and genetic causes. Existing techniques fail to detect milder forms of DDH in newborns leading to hip osteoarthritis in young adults. A sensitive, specific and cost effective test would allow identification of newborns that could be non-invasively corrected by the use of a Pavlik harness...
November 10, 2017: Journal of Translational Medicine
https://www.readbyqxmd.com/read/29125120/canal-to-diaphysis-ratio-as-a-risk-factor-for-hip-fractures-and-hip-fracture-pattern
#15
Prasad Ellanti, Kunal Mohan, Andrew Moriarity, Niall Hogan, Tom McCarthy
INTRODUCTION: Osteoporosis and related fractures constitute a significant burden on modern healthcare. The standard method of diagnosing osteoporosis with a dual-energy X-ray absorptiometry (DXA) scan is limited by accessibility and expense. The thickness of the cortex of the proximal femur on plain radiographs has been suggested to be a method for indicating osteoporosis and as a risk factor of hip fractures in the elderly. METHODS: A retrospective study was undertaken to assess the usefulness of the canal-diaphysis ratio (CDR) as a risk factor for developing a hip fracture, excluding patients presenting under 50 years old, following high-energy trauma or pathological fractures...
2017: SICOT-J
https://www.readbyqxmd.com/read/29116392/anchoring-and-resulting-primary-stability-of-a-kinked-compared-to-a-straight-uncemented-femoral-stem
#16
Markus Heinecke, Fabian Rathje, Frank Layher, Georg Matziolis
INTRODUCTION: The number of revision hip arthroplasties being performed is growing and implantation of a cementless stem has become established as the gold standard. For producing a primary stability, the press-fit procedure is the method of choice, but also can be achieved by multiple-point impactions. Specific femoral stems should follow the anatomical shape and provide a more extensive anchorage. The objective of this study was to evaluate the type, localization of the impaction and resulting primary stability of two different femoral revision stem designs (kinked vs...
November 7, 2017: Archives of Orthopaedic and Trauma Surgery
https://www.readbyqxmd.com/read/29114187/use-of-fibular-bone-graft-and-cancellous-screw-fixation-in-the-management-of-neglected-femur-neck-fractures-in-young-patients
#17
Ghulam Mustafa Kaim Khani, Kamran Hafeez, Muhammad Bux, Nusrat Rasheed, Naveed Ahmed, M Perwez Anjum
Objective: To present the clinical outcome of patients with neglected femur neck fracture treated with fibular bone graft. Methods: During May 2010-February 2013, 15 patients younger than 35 years of age with neglected fracture neck of femur were managed with non-vascularized fibular graft and cannulated screws. Fractures were classified according to Sandhu Classification. Hip function was assessed using Harris hip score. Results: Fifteen patients with mean age of 28...
November 2017: International Journal of Health Sciences
https://www.readbyqxmd.com/read/29110905/extra-articular-hip-impingement-a-review-of-the-literature
#18
N Arévalo Galeano, N Santamaría Guinea, J Gredilla Molinero, M Grande Bárez
Hip and groin pain is a common clinical problem. Multiple causes can generate hip or groin pain, often sharing clinical and demographic characteristics. Diagnostic imaging tests play an important role in the etiological diagnosis. New forms of extra-articular hip impingement have recently been recognized as a cause of hip pain and limited function especially in young active patients. These conditions include ischiofemoral impingement, anterior inferior iliac spine and subspine impingement, iliopsoas impingement and greater trochanteric-pelvic impingement...
October 27, 2017: Radiología
https://www.readbyqxmd.com/read/29100185/numerical-evaluation-of-bone-remodelling-and-adaptation-considering-different-hip-prosthesis-designs
#19
Ievgen Levadnyi, Jan Awrejcewicz, José Eduardo Gubaua, Jucélio Tomás Pereira
BACKGROUND: The change in mechanical properties of femoral cortical bone tissue surrounding the stem of the hip endoprosthesis is one of the causes of implant instability. We present an analysis used to determine the best conditions for long-term functioning of the bone-implant system, which will lead to improvement of treatment results. METHODS: In the present paper, a finite element method coupled with a bone remodelling model is used to evaluate how different three-dimensional prosthesis models influence distribution of the density of bone tissue...
October 18, 2017: Clinical Biomechanics
https://www.readbyqxmd.com/read/29098684/comparative-hindlimb-myology-of-foot-propelled-swimming-birds
#20
Glenna T Clifton, Jennifer A Carr, Andrew A Biewener
Several groups of birds have convergently evolved the ability to swim using their feet despite facing trade-offs with walking. However, swimming relative to terrestrial performance varies across these groups. Highly specialized divers, such as loons and grebes, excel at swimming underwater but struggle to stand on land, whereas species that primarily swim on the water surface, such as Mallards, retain the ability to move terrestrially. The identification of skeletal features associated with a swimming style and conserved across independent groups suggests that the hindlimb of foot-propelled swimming birds has adapted to suit the physical challenges of producing propulsive forces underwater...
November 3, 2017: Journal of Anatomy
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