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Heterotopic ossification

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https://www.readbyqxmd.com/read/28340312/a-preliminary-investigation-on-the-effect-of-extracorporeal-shock-wave-therapy-as-a-treatment-for-neurogenic-heterotopic-ossification-following-traumatic-brain-injury-part-ii-effects-on-function
#1
J E Reznik, E Biros, Y Sacher, O Kibrik, S Milanese, S Gordon, M P Galea
INTRODUCTION: Neurogenic heterotopic ossification (NHO) occurs as a complication of traumatic brain injury (TBI). Management of clinically significant NHO remains variable. Complications of mature NHO include limitation of mobility. The effect of the extracorporeal shock wave therapy (ESWT) on range of motion at hip and knee, and function in patients with TBI with chronic NHO was investigated. METHODS: A series of single-case studies applying ESWT to chronic NHO at the hip or knee of 11 patients with TBI were undertaken at a rehabilitation hospital...
March 24, 2017: Brain Injury: [BI]
https://www.readbyqxmd.com/read/28340308/a-preliminary-investigation-on-the-effect-of-extracorporeal-shock-wave-therapy-as-a-treatment-for-neurogenic-heterotopic-ossification-following-traumatic-brain-injury-part-i-effects-on-pain
#2
J E Reznik, E Biros, A C Lamont, Y Sacher, O Kibrik, S Milanese, S Gordon, M P Galea
INTRODUCTION: Neurogenic heterotopic ossification (NHO) is a complication of a neurological injury following traumatic brain injury (TBI) and may be present around major synovial joints. It is often accompanied by severe pain, which may lead to limitation in activities of daily living. Currently, a common intervention for NHO is surgery, which has been reported to carry many additional risks. This study was designed to assess the effect of extracorporeal shock wave therapy (ESWT) on pain in patients with TBI with chronic NHO...
March 24, 2017: Brain Injury: [BI]
https://www.readbyqxmd.com/read/28338419/competitive-protein-binding-influences-heparin-based-modulation-of-spatial-growth-factor-delivery-for-bone-regeneration
#3
Marian H Hettiaratchi, Catherine Chou, Nicholas Servies, Johanna M Smeekens, Albert Cheng, Camden Esancy, Ronghu Wu, Todd C McDevitt, Robert E Guldberg, Laxminarayanan Krishnan
Tissue engineering strategies involving the in vivo delivery of recombinant growth factors are often limited by the inability of biomaterials to spatially control diffusion of the delivered protein within the site of interest. The poor spatiotemporal control provided by porous collagen sponges, which are used for the clinical delivery of bone morphogenetic protein-2 (BMP-2) for bone regeneration, has necessitated the use of supraphysiological protein doses, leading to inflammation and heterotopic ossification...
March 24, 2017: Tissue Engineering. Part A
https://www.readbyqxmd.com/read/28331459/heterotopic-ossification-of-the-calvarium-following-bilateral-craniectomies-in-traumatic-brain-injury
#4
Rafael A Vega, Leslie Hutchins
BACKGROUND: Heterotopic ossification (HO) is defined as ectopic bone formation following traumatic brain injury. Patients typically develop lesions in the hips, knees, and elbows that cause pain, restricted range of motion, nerve impingement, and pressure ulcers. CASE REPORT: We report an unusual presentation of HO in an 18-year-old male who was involved in a motor vehicle accident and subsequently developed malignant intracranial pressure. His HO developed following bilateral craniectomies in which 2 different dural substitutes were used...
2017: Ochsner Journal
https://www.readbyqxmd.com/read/28328009/microenvironmental-factors-that-regulate-mesenchymal-stem-cells-lessons-learned-from-the-study-of-heterotopic-ossification
#5
REVIEW
Chen Kan, Lijun Chen, Yangyang Hu, Haimei Lu, Yuyun Li, John A Kessler, Lixin Kan
Bone marrow contains a non-hematopoietic, clonogenic, multipotent population of stromal cells that are later called mesenchymal stem cells (MSC). Similar cells that share many common features with MSC are also found in other organs, which are thought to contribute both to normal tissue regeneration and to pathological processes such as heterotopic ossification (HO), the formation of ectopic bone in soft tissue. Understanding the microenvironmental factors that regulate MSC in vivo is essential both for understanding the biology of the stem cells and for effective translational applications of MSC...
March 22, 2017: Histology and Histopathology
https://www.readbyqxmd.com/read/28323697/generation-and-development-of-paravertebral-ossification-in-cervical-artificial-disk-replacement-a-detailed-analytic-report-using-coronal-reconstruction-ct
#6
Wei Tian, Xiao Han, Bo Liu, Da He, Yanwei Lv, James Yue
STUDY DESIGN: A retrospective follow-up study and review of images in published papers. OBJECTIVE: To determine whether true heterotopic ossification (HO) occurs in artificial disk replacement (ADR); to evaluate the incidence of paravertebral ossification (PO) and its influence on ADR. SUMMARY OF BACKGROUND DATA: HO is typically defined as the abnormal formation of true bone within extraskeletal soft tissues. However, HO in ADR does not fit this definition precisely, as it originates from vertebral body, making it hard to distinguish radiologically from preexisting osteophytes...
April 2017: Clinical Spine Surgery
https://www.readbyqxmd.com/read/28315426/vascular-patterning-in-human-heterotopic-ossification
#7
Margaret Cocks, Aditya Mohan, Carolyn A Meyers, Catherine Ding, Benjamin Levi, Edward McCarthy, Aaron W James
Heterotopic ossification (HO, also termed myositis ossificans) is the formation of extra-skeletal bone in muscle and soft tissues. HO is a tissue repair process gone awry, and is a common complication of surgery and traumatic injury. Medical strategies to prevent and treat HO fall well short of addressing the clinical need. Better characterization of the tissues supporting HO is critical to identifying therapies directed against this common and sometimes devastating condition. The physiologic processes of osteogenesis and angiogenesis are highly coupled and interdependent...
March 14, 2017: Human Pathology
https://www.readbyqxmd.com/read/28314869/-operative-treatment-of-terrible-triad-injury-of-the-elbow-open-reduction-and-internal-fixation
#8
R Babst, C Schraner, F J P Beeres
AIM OF SURGERY: Reconstruction of the most important ligamentous and osseus structures of the elbow after terrible triad injury via the radial head to the lateral collateral ligament complex (LCL) and if necessary beginning at the coronoid process. The aim is a stable concentrically guided elbow with early functional follow-up treatment. The approach depends on the intraoperatively tested stability. INDICATIONS: Osteoligamentous terrible triad injury pattern with or without subluxation position following reduction and temporary immobilization...
March 17, 2017: Operative Orthopädie und Traumatologie
https://www.readbyqxmd.com/read/28304237/cervical-disc-arthroplasty-with-the-prestige-lp-disc-versus-anterior-cervical-discectomy-and-fusion-at-2-levels-results-of-a-prospective-multicenter-randomized-controlled-clinical-trial-at-24-months
#9
Matthew F Gornet, Todd H Lanman, J Kenneth Burkus, Scott D Hodges, Jeffrey R McConnell, Randall F Dryer, Anne G Copay, Hui Nian, Frank E Harrell
OBJECTIVE The authors compared the efficacy and safety of arthroplasty using the Prestige LP cervical disc with those of anterior cervical discectomy and fusion (ACDF) for the treatment of degenerative disc disease (DDD) at 2 adjacent levels. METHODS Patients from 30 investigational sites were randomized to 1 of 2 groups: investigational patients (209) underwent arthroplasty using a Prestige LP artificial disc, and control patients (188) underwent ACDF with a cortical ring allograft and anterior cervical plate...
March 17, 2017: Journal of Neurosurgery. Spine
https://www.readbyqxmd.com/read/28297577/surgical-excision-of-heterotopic-ossification-leads-to-re-emergence-of-mesenchymal-stem-cell-populations-responsible-for-recurrence
#10
Shailesh Agarwal, Shawn Loder, David Cholok, John Li, Chris Breuler, James Drake, Cameron Brownley, Joshua Peterson, Shuli Li, Benjamin Levi
Trauma-induced heterotopic ossification (HO) occurs after severe musculoskeletal injuries and burns, and presents a significant barrier to patient rehabilitation. Interestingly, the incidence of HO significantly increases with repeated operations and after resection of previous HO. Treatment of established heterotopic ossification is challenging because surgical excision is often incomplete, with evidence of persistent heterotopic bone. As a result, patients may continue to report the signs or symptoms of HO, including chronic pain, nonhealing wounds, and joint restriction...
March 2017: Stem Cells Translational Medicine
https://www.readbyqxmd.com/read/28293462/heterotopic-ossification-myositis-ossificans-progressiva-a-condition-interfering-with-rheumatic-disease
#11
Gülşen Işıklı, Lütfi Akyol, Sibel Semirgin Uçak, Kerim Aslan, Metin Özgen, Mehmet Sayarlıoğlu
No abstract text is available yet for this article.
March 2017: European Journal of Rheumatology
https://www.readbyqxmd.com/read/28290960/outcomes-following-multilevel-cervical-disc-arthroplasty-in-the-young-active-population
#12
Nicholas J Zarkadis, Andrew W Cleveland, Nicholas A Kusnezov, John C Dunn, Pedro M Caram, Joshua P Herzog
BACKGROUND: Cervical radiculopathy is a common disorder that portends significant morbidity. The presence of radiculopathy can have a debilitating effect on patients as well as a significant economic impact. Active duty military patients with increased physical occupational demands can be significantly impacted by cervical disease. The resulting disability can have a strong negative impact on operational readiness. Several studies have demonstrated comparably good functional outcomes between cervical disc arthroplasty (CDA) and anterior cervical discectomy and fusion for single-level disease...
March 2017: Military Medicine
https://www.readbyqxmd.com/read/28290470/descriptive-study-of-earthquake-related-spinal-cord-injury-in-nepal
#13
C C Groves, M K Poudel, M Baniya, C Rana, D R House
STUDY DESIGN: Descriptive study. OBJECTIVES: To describe the epidemiological features of spinal cord injury (SCI) following the 2015 earthquakes in Nepal. SETTING: Spinal Injury Rehabilitation Centre, Kavre, Nepal. METHODS: Data were collected from the medical records of all earthquake-related patients seen from 25 April 2015 through to 16 June 2016. Data collected included patient demographics, mechanism of injury, initial medical treatment, neurological assessment, complications, neurological/functional outcomes and length of stay...
March 14, 2017: Spinal Cord
https://www.readbyqxmd.com/read/28275867/myositis-ossificans-in-children-a-review
#14
N K Sferopoulos, R Kotakidou, A S Petropoulos
The formation of lamellar bone in the soft tissues, where bone normally does not exist, is called myositis ossificans. However, it would be more accurate to describe as myositis ossificans the involvement of skeletal muscles and as ectopic or heterotopic ossification the involvement of soft tissues in general. The lesion is subdivided in genetic and non-genetic or acquired types. Myositis or fibrodysplasia ossificans progressiva is a debilitating rare genetic disorder. Clinical suspicion of the disease in the newborn on the basis of malformed great toes may lead to early clinical diagnosis, confirmatory diagnostic genetic testing and avoidance of iatrogenic harmful procedures...
March 9, 2017: European Journal of Orthopaedic Surgery & Traumatology: Orthopédie Traumatologie
https://www.readbyqxmd.com/read/28274617/predictive-model-of-surgical-time-for-revision-total-hip-arthroplasty
#15
Albert Wu, Michael J Weaver, Marilyn M Heng, Richard D Urman
BACKGROUND: Maximizing operating room utilization in orthopedic and other surgeries relies on accurate estimates of surgical control time (SCT). A variety of case and patient-specific variables can influence the duration of surgical time during revision total hip arthroplasty (THA). We hypothesized that these variables are better predictors of actual SCT (aSCT) than a surgeon's own prediction (pSCT). METHODS: All revision THAs from October 2008 to September 2014 from one institution were accessed...
February 7, 2017: Journal of Arthroplasty
https://www.readbyqxmd.com/read/28259914/dynamics-of-mmp%C3%A2-9-mmp%C3%A2-2-and-timp%C3%A2-1-in-a-rat-model-of-brain-injury-combined-with-traumatic-heterotopic-ossification
#16
Wei-Zhe Shi, Jin-Yong Ju, Hai-Jun Xiao, Feng Xue, Jiang Wu, Ming-Mang Pan, Wei-Feng Ni
The present study aimed to detect early changes in the concentration of matrix metalloproteinase-9 (MMP-9), matrix metalloproteinase‑2 (MMP‑2) and tissue inhibitor of metalloproteinase‑1 (TIMP‑1) in a rat model of brain injury combined with traumatic heterotopic ossification (HO). A total of 132 male Sprague‑Dawley rats were used to establish the experimental and control groups. Anatomy and sample collection were conducted on postoperative days 1, 2, 3, 4, 5, 6 and 7. Hematoxylin and eosin and immunohistochemical staining were performed for local tissues...
March 1, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28259588/complication-rates-for-hip-arthroscopy-are-underestimated-a-population-based-study
#17
Jeremy N Truntzer, Daniel J Hoppe, Lauren M Shapiro, Geoffrey D Abrams, Marc Safran
PURPOSE: To identify major and minor complication rates associated with hip arthroscopy from a payer-based national database and compare with the rates reported in the existing literature. METHODS: Patients who underwent hip arthroscopy between 2007 and 2014 were identified using PearlDiver, a publicly available database. Rates of major and minor complications, as well as conversion to total hip arthroscopy (THA), were determined by using Current Procedural Terminology (CPT) and International Classification of Diseases, Ninth Revision (ICD-9), codes...
March 1, 2017: Arthroscopy: the Journal of Arthroscopic & related Surgery
https://www.readbyqxmd.com/read/28250250/establishment-of-heterotopic-ossification-via-sharp-instrument-injury-in-rats
#18
J-C Xu, G-H Wu, L-L Zhou, X-J Yang, J-T Liu
OBJECTIVE: To establish an animal model for heterotopic ossification (HO) induced by sharp instrument injury in Sprague-Dawley (SD) rat and to investigate its possible mechanism. MATERIALS AND METHODS: A total of 48 male SD rats were divided into 3 groups (n=16). In sham group, incision and suture were performed only in the left leg. Partial tenotomy was performed in the left Achilles tendons in the PAT group. In Achilles' tenotomy (AT) group, tenotomy was performed in the left Achilles tendons to establish animal model of EO...
March 1, 2017: Journal of Musculoskeletal & Neuronal Interactions
https://www.readbyqxmd.com/read/28246009/clinical-and-radiographic-features-of-hybrid-surgery-for-the-treatment-of-skip-level-cervical-degenerative-disc-disease-a-minimum-24-month-follow-up
#19
Ting-Kui Wu, Bei-Yu Wang, Ding Cheng, Xin Rong, Ji-Gang Lou, Ying Hong, Hao Liu
We describe the radiographic changes of IS and investigate the safety and feasibility of hybrid surgery (HS) coupling cervical disc arthroplasty (CDA) and anterior cervical discectomy and fusion (ACDF) for the treatment of skip-level cervical degenerative disc disease (CDDD). Twenty-seven patients who received HS were retrospectively reviewed. Clinical evaluation based on the Japanese Orthopedic Association (JOA) and Neck Disability Index (NDI) and Visual Analog Scale (VAS) scores. Radiographic parameters included cervical alignment (CA), functional spine unite (FSU) angle of intermediated segment (IS), range of motion (ROM) and intervertebral disc height (IDH)...
February 25, 2017: Journal of Clinical Neuroscience: Official Journal of the Neurosurgical Society of Australasia
https://www.readbyqxmd.com/read/28234586/antegrade-versus-retrograde-nailing-techniques-and-trochanteric-versus-piriformis-intramedullary-nailing-entry-points-for-femoral-shaft-fractures-a-systematic-review-and-meta-analysis
#20
Nasir Hussain, Farrah Naz Hussain, Corey Sermer, Hera Kamdar, Emil H Schemitsch, Amir Sternheim, Paul Kuzyk
BACKGROUND: There are several different techniques commonly used to perform intramedullary (IM) nailing of the femur to fix femoral fractures. We sought to identify significant differences in outcomes of studies comparing 1) trochanteric and piriformis entry and 2) antegrade and retrograde entry in IM nailing of the femur. METHODS: We searched MEDLINE, Cochrane and Embase databases and the Orthopaedic Trauma Association and American Academy of Orthopaedic Surgeons websites for comparative studies published from inception to November 2015...
February 2017: Canadian Journal of Surgery. Journal Canadien de Chirurgie
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