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avascular necrosis of hip

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https://www.readbyqxmd.com/read/29337456/-pediatrics-perthes-disease-current-knowledges-and-treatment
#1
Sophie Merckaert, Pierre-Yves Zambelli
Perthes's disease corresponds to an interruption of the vascularization of the epiphyseal nucleus of the femoral head followed by avascular necrosis. This necrosis weakens the bone and subchondral fractures associated with a deformation of the femoral head is seen. It is important not to miss an extrusion of the femoral head, which makes surgical treatment unavoidable. The loss of joint congruence causes functional limitations and represents an increased risk for early hip osteoarthritis. Non weight bearing limits the subchondral fractures, but requires an important adaptation from the patient and his entourage...
January 10, 2018: Revue Médicale Suisse
https://www.readbyqxmd.com/read/29331493/hip-dislocations-in-the-emergency-department-a-review-of-reduction-techniques
#2
Michael Gottlieb
BACKGROUND: Hip dislocations are a common presentation in the Emergency Department (ED) and require urgent reduction to reduce the risk of avascular necrosis. Over 90% of all dislocations can successfully be reduced in the ED and there is evidence that cases awaiting operative reduction result in significant delays. DISCUSSION: While there is limited data comparing specific techniques, the individual success rates of most maneuvers range from 60-90%. Additionally, each technique has distinct advantages and limitations associated with its use...
January 10, 2018: Journal of Emergency Medicine
https://www.readbyqxmd.com/read/29313319/early-experience-with-a-tapered-titanium-porous-plasma-sprayed-stem-with-updated-design
#3
Antonio G Manocchio, Keith R Berend, Michael J Morris, Joanne B Adams, Adolph V Lombardi
INTRODUCTION: The Taperloc® Complete femoral stem (Zimmer Biomet, Warsaw, Indiana) builds on the widespread clinical success of the original Taperloc design used since 1982. Enhancements to the Complete design include a lowered caput-collum-diaphyseal (CCD) angle from 138° to 133° for improved offset, optimized neck taper with polished neck flats to increase range of motion, reduced distal geometry to improve proximal canal fill, and gradual off-loading that is the goal of tapered geometry...
December 22, 2017: Surgical Technology International
https://www.readbyqxmd.com/read/29286832/avascular-necrosis-of-the-femoral-head
#4
Roberto Seijas, Andrea Sallent, Eila Rivera, Oscar Ares
About 250000 patients are operated on annually for hip arthroplasty in the USA alone. Of this number, about 10% the cause of their osteoarthritis is the avascular necrosis of the femoral head. But the causes of necrosis are multiple and many of them are still unknown. That is why small advances in etiopathogenesis, diagnosis and treatment of different causes are very important in order to reduce the number of affected patients. It may seem that small changes, studies focused on the details of different diseases do not bring great changes to science, but it is these small changes that end up adding great evolutions in our knowledge...
December 29, 2017: Journal of Investigative Surgery: the Official Journal of the Academy of Surgical Research
https://www.readbyqxmd.com/read/29261271/managing-dislocations-of-the-hip-knee-and-ankle-in-the-emergency-department-digest
#5
Caylyne Arnold, Zane Fayos, David Bruner, Dylan Arnold, Nachi Gupta, Jeffrey Nusbaum
Dislocation of the major joints of the lower extremities--hip, knee, and ankle--can occur due to motor-vehicle crashes, falls, and sports injuries. Hip dislocations are the most common, and they require emergent management to prevent avascular necrosis of the femoral head. Knee dislocations are uncommon but potentially dangerous injuries that can result in amputation due to the potential for missed secondary injury, especially if they are reduced spontaneously. Isolated ankle dislocations are relatively rare, as most ankle dislocations involve an associated fracture...
December 20, 2017: Emergency Medicine Practice
https://www.readbyqxmd.com/read/29260700/-slipped-capital-femoral-epiphysis-is-diagnosed-too-late
#6
Anders Elneff Graversen, Niels Wisbech Pedersen, Roland Knudsen
Slipped capital femoral epiphysis (SCFE) is a serious orthopaedic hip disease in the adolescent population. It has a prevalence of 10.8 per 100.000 children and usually occurs in children 9-16 years of age. Despite focus on delay of the diagnosis, no improvements have been made. An adolescent complaining of stress-related pain in the hip, groin, thigh or knee should be suspected of having SCFE, until an X-ray has excluded this diagnosis. Delayed diagnosis may have serious consequences in terms of further displacement of the femoral head and risk of increased avascular necrosis...
December 11, 2017: Ugeskrift for Laeger
https://www.readbyqxmd.com/read/29242788/obturator-dislocation-of-hip-with-ipsilateral-fracture-neck-femur-a-case-report
#7
Sumit Kumar Jain, Parit Aggarwal, Arun Yadav
Introduction: Traumatic dislocation of the hip with ipsilateral fracture neck femur is a rare injury because of the different mechanism of both these injuries. The management of such injuries is a challenge as the chances of nonunion and avascular necrosis of femoral head are very high with fixation methods. We report a case of obturator dislocation of the hip with ipsilateral fracture neck of the femur which was treated with uncemented total hip replacement. Case Report: A 32-year-old male sustained obturator dislocation with ipsilateral fracture neck femur following road traffic accident...
September 2017: Journal of Orthopaedic Case Reports
https://www.readbyqxmd.com/read/29228594/bone-strengthening-pill-bsp-promotes-bone-cell-and-chondrocyte-repair-and-the-clinical-and-experimental-study-of-bsp-in-the-treatment-of-osteonecrosis-of-the-femoral-head
#8
Zheng Li, Lulin Wang, Jin Wei, Liguo Zhu, Xisheng Weng, Jin Jin, Hong Xiao, Jun Zhang, Heming Wang, Guantong Shi, Lingpeng Pei, Fangde Zou, Wanqiang Zhang, Tianzun Tao, Xin Dong
About 1 in 3 people suffer from bone and joint disease, which is a disease of bone and cartilage cells. Osteonecrosis of the femoral head (ONFH) is a typical example of bone and joint disease involving bone cell necrosis. Osteonecrosis of the femoral head leads to the occurrence of premature osteoarthritis of the hip and collapse of the cartilage cells, and there is currently no effective drug treatment available. In order to study the effects of "bone-strengthening pill" (BSP) on the repair of bone and cartilage cells, we investigated the potential effects of the herbal mixture BSP in an animal model of avascular necrosis of the femoral head and in patients...
November 14, 2017: Oncotarget
https://www.readbyqxmd.com/read/29222303/responsiveness-of-patient-reported-outcome-measurement-information-system-promis-pain-domains-and-disease-specific-patient-reported-outcome-measures-in-children-and-adults-with-sickle-cell-disease
#9
REVIEW
Susanna Curtis, Amanda M Brandow
Case 1: A 33-year-old man with hemoglobin SS (homozygous hemoglobin S) disease presents for his regular clinic visit. He had 6 hospital admissions for pain over the past year. He also has avascular necrosis of the right hip. He takes daily hydroxyurea with hematologic changes indicative of compliance. He also takes morphine sustained release twice daily and morphine immediate release every 6 hours as needed for pain. He feels that more optimal pain control at home would help him reduce his number of hospital admissions in the upcoming year and improve his daily functioning at home...
December 8, 2017: Hematology—the Education Program of the American Society of Hematology
https://www.readbyqxmd.com/read/29210310/outcome-of-pinning-in-patients-with-slipped-capital-femoral-epiphysis-risk-factors-associated-with-avascular-necrosis-chondrolysis-and-femoral-impingement
#10
Alexandru Ulici, Madalina Carp, Iulia Tevanov, Catalin Alexandru Nahoi, Alin Gabriel Sterian, Dan Cosma
Objective This study aimed to assess the principal risk factors that could lead to the most common long-term complications of slipped capital femoral epiphysis, such as avascular necrosis, chondrolysis, and hip impingement. Methods We conducted a single-centre, retrospective study and evaluated patients (70 patients, 81 hips) who were treated for slipped capital femoral epiphysis from 2010 to 2015 and who underwent pinning. We measured the severity of displacement radiologically using the Southwick angle. Postoperative radiographs were evaluated for the most frequent long-term complications of avascular necrosis (AVN), chondrolysis, and femoral acetabular impingement (FAI)...
January 1, 2017: Journal of International Medical Research
https://www.readbyqxmd.com/read/29203431/surgical-reduction-of-congenital-hip-dislocation
#11
REVIEW
C Glorion
Surgical reduction of congenital hip dislocation is technically challenging. In our practice, surgical reduction is usually reserved for patients who have failed non-operative treatment, which is the first-line strategy. However, primary surgery may be indicated if the dislocation is diagnosed late and can be performed until 8 years of age. The reduction step is crucial. It starts with painstaking exposure of the capsule. Identifying the lower part of the acetabulum is the key to accurate repositioning of the epiphysis...
December 1, 2017: Orthopaedics & Traumatology, Surgery & Research: OTSR
https://www.readbyqxmd.com/read/29192936/outcomes-of-femoral-head-marrow-stimulation-techniques-at-minimum-2-year-follow-up
#12
David E Hartigan, Itay Perets, Edwin O Chaharbakhshi, John P Walsh, Leslie C Yuen, Benjamin G Domb
This study compared patients who underwent femoral head microfracture with a control group of patients who did not require microfracture. Patients had more than 2 years of follow-up. The patient groups had similar demographic and radiographic features, including sex, age within 5 years, body mass index within 5 points, equal Tönnis grade, lateral center edge angle within 5°, labral treatment, and capsular closure vs release. Inclusion criteria were a minimum of 2 years of follow-up, Outerbridge grade IV cartilage damage, and femoral head marrow stimulation technique performed at the time of arthroscopy...
November 30, 2017: Orthopedics
https://www.readbyqxmd.com/read/29189592/early-reduction-of-pediatric-traumatic-posterior-hip-dislocation-is-much-more-important-than-the-treatment-procedure
#13
Serdar Yuksel, Cem Albay
Traumatic hip dislocations are very rare in the pediatric population, and they are real emergent cases that can occur with minimal trauma. If they are not diagnosed immediately and reduction is not performed as soon as possible, they may cause problems such as avascular necrosis and degenerative arthritis. Performing reduction within the first 6 hours is of vital importance.We aim to present the functional outcomes and radiographic results of 2 pediatric traumatic hip dislocation cases with 36 months of follow-up who were treated with abduction orthosis after the reduction...
November 20, 2017: Pediatric Emergency Care
https://www.readbyqxmd.com/read/29185671/managing-dislocations-of-the-hip-knee-and-ankle-in-the-emergency-department
#14
Caylyne Arnold, Zane Fayos, David Bruner, Dylan Arnold
Dislocation of the major joints of the lower extremities--hip, knee, and ankle--can occur due to motor-vehicle crashes, falls, and sports injuries. Hip dislocations are the most common, and they require emergent management to prevent avascular necrosis of the femoral head. Knee dislocations are uncommon but potentially dangerous injuries that can result in amputation due to the potential for missed secondary injury, especially if they are reduced spontaneously. Isolated ankle dislocations are relatively rare, as most ankle dislocations involve an associated fracture...
December 2017: Emergency Medicine Practice
https://www.readbyqxmd.com/read/29181581/evaluation-of-femoral-head-viability-via-bone-scintigraphy-in-the-postoperative-pediatric-patient
#15
Ashishkumar K Parikh, Eleby R Washington, Adam J Bobbey, Stephanie E Spottswood
BACKGROUND: Evaluating postoperative patients with hardware is challenging following surgical intervention for hip maladies such as femoral neck fractures and slipped capital femoral epiphysis (SCFE). These children are at increased risk of developing avascular necrosis, and imaging may be requested to confirm or exclude this diagnosis. Children with Legg-Calvé-Perthes disease can be monitored for restoration of blood flow to the capital femoral epiphysis to guide management and help with prognosis...
November 27, 2017: Pediatric Radiology
https://www.readbyqxmd.com/read/29181188/intra-articular-osteochondroma-of-the-posteroinferior-femoral-neck-associated-with-hip-joint-osteochondromatosis-a-case-report
#16
Sung Il Wang, Eun Hae Park, Sun Jung Yoon, Jung Ryul Kim
Osteochondromas are usually extra-articular lesions originating from the metaphysis of long bones. Intra-articular osteochondromas may also occur, causing pain and discomfort and restricting the range of motion. Osteochondromas of the femoral neck are intra-articular lesions that are difficult to access for surgical resection, particularly when located posteriorly. We herein present a rare case of an intra-articular osteochondroma involving the posteroinferior aspect of the femoral neck associated with secondary synovial osteochondromatosis (SOC) of the hip joint in a 25-year-old woman...
November 2017: Molecular and Clinical Oncology
https://www.readbyqxmd.com/read/29162080/modifications-to-advanced-core-decompression-for-treatment-of-avascular-necrosis-of-the-femoral-head
#17
Stefan Landgraeber, Sebastian Warwas, Tim Claßen, Marcus Jäger
BACKGROUND: "Advanced Core Decompression" (ACD) is a new technique for treatment of osteonecrosis of the femoral head (ONFH) that includes removal of the necrotic tissue using a percutaneous expandable reamer followed by refilling of the drill hole and the defect with an injectable, hard-setting, composite calcium sulphate (CaSO4)-calcium phosphate (CaPO4) bone graft substitute. As autologous bone has been shown to be superior to all other types of bone grafts, the aim of the study is to present and evaluate a modified technique of ACD with impaction of autologous bone derived from the femoral neck into the necrotic defect...
November 21, 2017: BMC Musculoskeletal Disorders
https://www.readbyqxmd.com/read/29148018/lightbulb-technique-for-the-treatment-of-osteonecrosis-of-the-femoral-head
#18
Cemil Yildiz, Yusuf Erdem, Kenan Koca
INTRODUCTION: The aim of this study was to report the clinical and radiological outcomes for 21 patients (28 hips) treated for osteonecrosis of the femoral head using the lightbulb technique, a nonvascularised bone grafting technique. METHODS: The study group included 14 men and 7 women, with a mean age of 33.2 (range 22-50) years, presenting with avascular necrosis of the femoral head of stage 4a or earlier, according to the Steinberg classification. Patients were treated using the nonvascularised lightbulb bone grafting technique...
November 15, 2017: Hip International: the Journal of Clinical and Experimental Research on Hip Pathology and Therapy
https://www.readbyqxmd.com/read/29146169/arthroscopy-after-traumatic-hip-dislocation-a%C3%A2-systematic-review-of-intra-articular-findings-correlation-with-magnetic-resonance-imaging-and-computed-tomography-treatments-and-outcomes
#19
REVIEW
Jacob C Mandell, Richard A Marshall, Michael B Banffy, Bharti Khurana, Michael J Weaver
PURPOSE: To describe the literature concerning patient demographic characteristics and intra-articular injury seen at arthroscopy after traumatic hip dislocation, describe the reported computed tomography (CT) and magnetic resonance findings with arthroscopic correlation, and describe the reported arthroscopic treatments performed with complications and outcomes. METHODS: A systematic review was performed following Preferred Reporting Items for Systematic Reviews and Meta-analyses (PRISMA) guidelines for assessment of arthroscopy after hip dislocation...
November 13, 2017: Arthroscopy: the Journal of Arthroscopic & related Surgery
https://www.readbyqxmd.com/read/29131775/traumatic-hip-dislocation-what-the-orthopedic-surgeon-wants-to-know
#20
Jacob C Mandell, Richard A Marshall, Michael J Weaver, Mitchel B Harris, Aaron D Sodickson, Bharti Khurana
Hip dislocation is an important orthopedic emergency usually seen in young patients who have experienced high-energy trauma, often resulting in significant long-term morbidity. Rapid identification and reduction is critical, as prolonged dislocation increases the risk of developing avascular necrosis of the femoral head, and posttraumatic osteoarthritis is a common complication, even in the absence of associated fractures. Identification and timely management of hip dislocation are highly dependent on imaging, both at presentation and after attempted reduction...
November 2017: Radiographics: a Review Publication of the Radiological Society of North America, Inc
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