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femoral neck stress fracture

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https://www.readbyqxmd.com/read/27824547/atypical-femur-fractures-in-patients-treated-with-bisphosphonates-identification-management-and-prevention
#1
REVIEW
Judith Sarah Bubbear
Osteoporosis is a common condition with significant health care costs. First-line therapy is with bisphosphonates, which have proven anti-fracture efficacy. Around 10 years after the introduction of bisphosphonates reports began to be published of atypical femoral fractures (AFFs) that may be associated with this therapy. These fractures are associated with significant morbidity although lower mortality than the more common osteoporotic neck-of-femur fractures. A case definition has been described to allow identification of this class of fracture...
October 31, 2016: Rambam Maimonides Medical Journal
https://www.readbyqxmd.com/read/27811514/overuse-injuries-in-the-pediatric-population
#2
Mark Wu, Ryan Fallon, Benton E Heyworth
Athletic overuse injuries are becoming an increasingly common entity in the active pediatric population. The prevalence of these injuries may be attributed to the combination of an underdeveloped musculoskeletal system, increased participation in competitive sport at a younger age, and increased duration and intensity of training. Many of these injuries may go unreported and/or undiagnosed, as they do not all result in time lost from sports, and are not always appreciated on imaging. Left unrecognized, untreated, or poorly managed, overuse injuries can have long-term health consequences for young athletes...
December 2016: Sports Medicine and Arthroscopy Review
https://www.readbyqxmd.com/read/27797839/young-man-with-sudden-severe-hip-pain-secondary-to-femoral-neck-stress-fracture
#3
Ziva Petrin, Anupam Sinha, Sunny Gupta, Mitesh K Patel
Femoral neck stress fractures have been described in military recruits and athletes. Early recognition and aggressive treatment are important, as femoral neck stress fractures have a high potential for complications and even uncomplicated fractures require an extensive course of rehabilitation. Tension-side (superolateral) stress fractures of the femoral neck are at high risk for complications such as displacement, non-union and avascular necrosis, and need to be treated surgically, while compression-side (inferomedial) fractures can be treated conservatively...
October 26, 2016: BMJ Case Reports
https://www.readbyqxmd.com/read/27777920/bilateral-femoral-neck-stress-fracture-in-child-a-case-report
#4
Gun-Woo Lee, Kyung-Soon Park, Taek-Rim Yoon, Eshnazarov Kamolhuja Eshnazarovich
A femoral neck stress fracture in child is rare, particularly in bilateral case. It is easy to miss initially or may be misdiagnosed. The authors experienced a case of bilateral femoral neck stress fracture in a 10-year-old boy with bilateral hip. The patient was successfully healed by conservative treatment. We report this rare case with a review of the literature. A femoral neck stress fracture should be included in the differential diagnosis in children who present with sustained hip or groin pain.
September 2016: Hip & Pelvis
https://www.readbyqxmd.com/read/27777119/focal-osteoporosis-defects-play-a-key-role-in-hip-fracture
#5
Kenneth E S Poole, Linda Skingle, Andrew H Gee, Thomas D Turmezei, Fjola Johannesdottir, Karen Blesic, Collette Rose, Madhavi Vindlacheruvu, Simon Donell, Jan Vaculik, Pavel Dungl, Martin Horak, Jan J Stepan, Jonathan Reeve, Graham M Treece
BACKGROUND: Hip fractures are mainly caused by accidental falls and trips, which magnify forces in well-defined areas of the proximal femur. Unfortunately, the same areas are at risk of rapid bone loss with ageing, since they are relatively stress-shielded during walking and sitting. Focal osteoporosis in those areas may contribute to fracture, and targeted 3D measurements might enhance hip fracture prediction. In the FEMCO case-control clinical study, Cortical Bone Mapping (CBM) was applied to clinical computed tomography (CT) scans to define 3D cortical and trabecular bone defects in patients with acute hip fracture compared to controls...
January 2017: Bone
https://www.readbyqxmd.com/read/27753569/epidemiology-of-lower-extremity-stress-fractures-in-the-united-states-military
#6
Brian R Waterman, Baris Gun, Julia O Bader, Justin D Orr, Philip J Belmont
PURPOSE: To comprehensively quantify established risk factors for the development of lower extremity stress fractures within a contemporary U.S. military cohort. METHODS: Using the Defense Medical Epidemiological Database, all U.S. service members diagnosed with tibia/fibula, metatarsal, other bone, femoral neck, and femoral shaft stress fractures were identified based on International Classification of Diseases, 9th Revision, Clinical Modification code from 2009 to 2012...
October 2016: Military Medicine
https://www.readbyqxmd.com/read/27666691/-bone-quality-in-copd
#7
Mitsuru Saito, Keishi Marumo
Chronic obstructive pulmonary disease(COPD)is a chronic inflammatory disease associated with an increase of fracture risk. Bone strength is determined by bone mass and quality.Bone quality is thought to encompass the structural and material properties of bone. Bone collagen crosslinking plays important roles in bone strength. The quantitative and qualitative deterioration of lysyl oxidase control and non enzymatic cross-links(advanced glycation end products, AGEs, pentosidine)of collagen in patients with osteoporotic femoral neck fracture and diabetes, and COPD might be affected by increased oxidative stress and glycation...
2016: Clinical Calcium
https://www.readbyqxmd.com/read/27649760/conservative-management-of-a-femoral-neck-stress-fracture-in-a-female-athlete-a-case-report-and-review-of-the-literature
#8
Ilias Katsougrakis, Alexandros P Apostolopoulos, Samantha Z Tross
UNLABELLED: Femoral-neck stress fractures are relatively rare and may present as sports-related injuries. The presentation is variable, and prompt diagnosis facilitates the earliest return to pre-morbid functional activity levels. Delayed detection may precipitate femoral non-union or avascular necrosis, resulting in long-term functional deficit. AIMS: We describe the clinical, diagnostic and therapeutic approach of a femoral-neck stress fracture that occurred in a 28-year-old female recreational runner...
2016: Journal of Long-term Effects of Medical Implants
https://www.readbyqxmd.com/read/27636234/hyperuricemia-protects-against-low-bone-mineral-density-osteoporosis-and-fractures-a-systematic-review-and-meta-analysis
#9
Nicola Veronese, Sara Carraro, Giulia Bano, Caterina Trevisan, Marco Solmi, Claudio Luchini, Enzo Manzato, Riccardo Caccialanza, Giuseppe Sergi, Davide Nicetto, Emanuele Cereda
BACKGROUND: Serum uric acid (SUA) accounts for about 50% of extracellular antioxidant activity, suggesting that hyperuricemia may have a protective role in diseases characterized by high levels of oxidative stress, such as osteoporosis. We aimed to meta-analyse data regarding bone mineral density (BMD), osteoporosis and fractures in people with higher SUA vs. lower SUA concentrations. MATERIALS AND METHODS: Two investigators conducted a literature search using PubMed and Scopus, without language restrictions...
November 2016: European Journal of Clinical Investigation
https://www.readbyqxmd.com/read/27477004/exercise-loading-history-and-femoral-neck-strength-in-a-sideways-fall-a-three-dimensional-finite-element-modeling-study
#10
Shinya Abe, Nathaniel Narra, Riku Nikander, Jari Hyttinen, Reijo Kouhia, Harri Sievänen
Over 90% of hip fractures are caused by falls. Due to a fall-induced impact on the greater trochanter, the posterior part of the thin superolateral cortex of the femoral neck is known to experience the highest stress, making it a fracture-prone region. Cortical geometry of the proximal femur, in turn, reflects a mechanically appropriate form with respect to habitual exercise loading. In this finite element (FE) modeling study, we investigated whether specific exercise loading history is associated with femoral neck structural strength and estimated fall-induced stresses along the femoral neck...
November 2016: Bone
https://www.readbyqxmd.com/read/27461779/augmentation-by-cerclage-wire-improves-fixation-of-vertical-shear-femoral-neck-fractures-a-biomechanical-analysis
#11
Fa-Chuan Kuan, Ming-Long Yeh, Chih-Kai Hong, Florence L Chiang, I-Ming Jou, Ping-Hui Wang, Wei-Ren Su
BACKGROUND: Femoral neck fractures in young individuals are typically vertical shear fractures. These injuries are difficult to stabilize due to a significant varus displacement force across the hip with weight bearing. The purpose of this study was to evaluate the biomechanical stability offered by the addition of an augmented wire to conventional inverted triangle triple screw fixation for stabilizing vertical shear femoral neck fracture. METHODS: Sixteen medium 4th-generation synthetic composite femurs (Sawbones Pacific Research Laboratories, Vashon, WA) were divided into two groups...
October 2016: Injury
https://www.readbyqxmd.com/read/27391773/early-clinical-experience-with-a-newly-designed-interlocking-nail-system-targon-%C3%A2-vet
#12
Michael Brückner, Martin Unger, Markus Spies
OBJECTIVE: To describe early clinical experience with a newly designed interlocking nail system (Targon(®) Vet) in diaphyseal fractures in cats and small dogs. STUDY DESIGN: Retrospective case series. ANIMALS: Client-owned cats (n=49) and dogs (n=8). METHODS: Fifty-seven consecutive cases (49 cats, 8 dogs) with 60 long bone fractures were included in the study. Follow-up radiographs were scheduled at 4 and 8 weeks and again 6 months postoperatively...
August 2016: Veterinary Surgery: VS
https://www.readbyqxmd.com/read/27385898/compression-type-stress-fracture-of-femoral-neck-with-equivocal-x-ray-features-diagnosed-on-99m-tc-mdp-spect-ct-in-a-case-of-trivial-hip-pain
#13
Saurabh Vitalkar, Ashmi S Manglunia, Arvind Kulkarni, Ameya D Puranik
Stress insufficiency fracture is usually diagnosed clinically and on the basis of routine X-ray imaging findings. However, the absence of any known predisposing factors and negative or occult radiographic findings pose diagnostic challenges. We report the case of an elderly male patient who presented with a chief complaint of trivial left hip pain and with equivocal radiographic findings. Triphasic (99m)Tc-methylene diphosphonate bone scan and single-photon emission computed tomography/computed tomography helped in arriving at the diagnosis of stress insufficiency fracture involving femoral neck...
July 2016: Indian Journal of Nuclear Medicine: IJNM: the Official Journal of the Society of Nuclear Medicine, India
https://www.readbyqxmd.com/read/27311412/intraoperative-and-early-postoperative-complications-after-hip-arthroscopic-surgery-a-prospective-multicenter-trial-utilizing-a-validated-grading-scheme
#14
Christopher M Larson, John C Clohisy, Paul E Beaulé, Bryan T Kelly, M Russell Giveans, Rebecca M Stone, Kathryn M Samuelson
BACKGROUND: There is limited literature looking at comprehensive complication rates after arthroscopic hip procedures. PURPOSE: To prospectively report complication rates for a consecutive series of hips undergoing arthroscopic procedures. STUDY DESIGN: Case series; Level of evidence, 4. METHODS: Over a 29-month period, 1615 consecutive hips in patients with a mean age of 30.5 years underwent arthroscopic hip procedures at 4 institutions...
September 2016: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/27272200/impact-of-intraprosthetic-drilling-on-the-strength-of-the-femoral-stem-in-periprosthetic-fractures-a-finite-element-investigation
#15
Stephan Brand, Michael Bauer, Maximilian Petri, Julian Schrader, Hans J Maier, Christian Krettek, Thomas Hassel
Treatment of periprosthetic femur fractures after total hip arthroplasty remains a major challenge in orthopedic surgery. Recently, a novel surgical technique using intraprosthetic screw fixation has been suggested. The purpose of this study was to evaluate the influence of drilling the femoral hip stem on integrity and strength of the implant. The hypothesis was that intraprosthetic drilling and screw fixation would not cause the load limit of the prosthesis to be exceeded and that deformation would remain within the elastic limit...
July 2016: Proceedings of the Institution of Mechanical Engineers. Part H, Journal of Engineering in Medicine
https://www.readbyqxmd.com/read/27265356/stress-fractures-of-the-femoral-neck-in-runners-a-review
#16
Thomas Neubauer, Julian Brand, Surjit Lidder, Manfred Krawany
A systematic review, following strict inclusion criteria, identified 32/48 low and 16/48 high-performance runners with stress fractures of the femoral neck. Surgical treatment was performed in 33/48 cases and was significantly higher (p = 0.009) in high-performance runners. Among the 28/48 runners who resumed running, there were significantly more lower-performance runners (23/32) than higher-performing runners (5/16) (p = 0.012) and significantly more non-displaced (22/30) than displaced fractures (6/18) (p = 0...
July 2016: Research in Sports Medicine
https://www.readbyqxmd.com/read/27261475/femoral-neck-stress-fracture-can-mri-grade-help-predict-return-to-running-time
#17
Lindsay N Ramey, Kelly C McInnis, William E Palmer
BACKGROUND: Limited research is available regarding return-to-running (RTR) time after femoral neck stress fractures. While studies have shown the prognostic value of image-based grading scales for stress fractures at other sites, few have included femoral neck stress fractures. PURPOSE: To determine if the grade of femoral neck stress fractures based on magnetic resonance imaging (MRI) characteristics correlates with RTR time. STUDY DESIGN: Cohort study; Level of evidence, 3...
August 2016: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/27247753/pathologic-femoral-neck-fracture-due-to-fanconi-syndrome-induced-by-adefovir-dipivoxil-therapy-for-hepatitis-b
#18
Yoon-Suk Lee, Byung-Kook Kim, Ho-Jae Lee, Jinmyoung Dan
In Fanconi syndrome, hypophosphatemic osteomalacia is caused by proximal renal tubule dysfunction which leads to impaired reabsorption of amino acids, glucose, urate, and phosphate. We present a rare case of a 43-year-old Korean male who was found to have insufficiency stress fracture of the femoral neck secondary to osteomalacia due to Fanconi syndrome. He had been receiving low-dose adefovir dipivoxil (ADV, 10 mg/day) for the treatment of chronic hepatitis B virus infection for 7 years and he subsequently developed severe hypophosphatemia and proximal renal tubule dysfunction...
June 2016: Clinics in Orthopedic Surgery
https://www.readbyqxmd.com/read/27239924/-microcrystalline-stress-in-the-pathogenesis-of-osteoarthritis
#19
A I Dubikov, M A Kabalyk, T Yu Koretskaya
AIM: To estimate the rate of articular cartilage microcrystallization in osteoarthritis (OA). SUBJECTS AND METHODS: The investigation included 110 people who had undergone total endoprosthetic replacement for coxarthrosis. A total of 50 patients with total hip endoprosthetic replacement for femoral neck fractures were recruited as a comparison group. An X-ray diffractometer was used to detect crystals. RESULTS: Cartilage mineralization was seen in 72% of the patients with late-stage OA...
2016: Terapevticheskiĭ Arkhiv
https://www.readbyqxmd.com/read/27223593/mri-evaluation-of-femoroacetabular-impingement-after-hip-preservation-surgery
#20
Angela E Li, Shari T Jawetz, Harry G Greditzer, Alissa J Burge, Danyal H Nawabi, Hollis G Potter
OBJECTIVE: This article reviews the surgical treatment options for femoroacetabular impingement (FAI), including labral repair and osteochondroplasty, and the expected postoperative appearance on MRI. Complications, including residual osseous deformities, chondral injury, adhesions, femoral neck stress fractures, osteonecrosis, instability, malpositioned suture anchors, and infection, will also be discussed. CONCLUSION: Knowledge of the surgical treatment of FAI can assist in improving our understanding of the expected postoperative MRI appearance and in evaluating surgical complications...
August 2016: AJR. American Journal of Roentgenology
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