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Osteomyelitis

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https://www.readbyqxmd.com/read/27904045/puerarin-prevents-lps-induced-osteoclast-formation-and-bone-loss-via-inhibition-of-akt-activation
#1
Yun Zhang, Ming Yan, Qing-Feng Yu, Pei-Fan Yang, Hai-Dong Zhang, Yong-Hong Sun, Zhi-Fen Zhang, Yun-Feng Gao
Osteolysis induced by chronic Gram-negative bacterial infection underlies many bone diseases such as osteomyelitis, septic arthritis, and periodontitis. Drugs that inhibit lipopolysaccharide (LPS)-induced osteolysis are critically needed for the prevention of bone destruction in infective bone diseases. In this study, we assessed the effect of puerarin, a natural isoflavone isolated from Pueraria lobata OHWI root, on LPS-induced osteoclastogenesis and bone loss. Our in vitro study showed that puerarin significantly inhibited LPS-induced osteoclast differentiation from osteoclast precursor RAW264...
2016: Biological & Pharmaceutical Bulletin
https://www.readbyqxmd.com/read/27902402/pathogenic-properties-of-a-corynebacterium-diphtheriae-strain-isolated-from-a-case-of-osteomyelitis
#2
Renata Stavracakis Peixoto, Elena Hacker, Camila Azevedo Antunes, Dulanthi Weerasekera, Alexandre Alves de Souza de Oliveira Dias, Carlos Alberto Martins, Raphael Hirata, Kátia Regina Netto Dos Santos, Andreas Burkovski, Ana Luíza Mattos-Guaraldi
Corynebacterium diphtheriae is typically recognized as a colonizer of the upper respiratory tract (respiratory diphtheria) and the skin (cutaneous diphtheria). However, different strains of Corynebacteriumdiphtheriae can also cause invasive infections. In this study, the characterization of a non-toxigenic Corynebacteriumdiphtheriae strain (designated BR-INCA5015) isolated from osteomyelitis in the frontal bone of a patient with adenoid cystic carcinoma was performed. Pathogenic properties of the strain BR-INCA5015 were tested in a Caenorhabditis elegans survival assay showing strong colonization and killing by this strain...
November 2016: Journal of Medical Microbiology
https://www.readbyqxmd.com/read/27901071/staphylococcus-aureus-dependent-septic-arthritis-in-murine-knee-joints-local-immune-response-and-beneficial-effects-of-vaccination
#3
Alessia Corrado, Paolo Donato, Silvia Maccari, Raffaella Cecchi, Tiziana Spadafina, Letizia Arcidiacono, Simona Tavarini, Chiara Sammicheli, Donatello Laera, Andrea Guido Oreste Manetti, Paolo Ruggiero, Bruno Galletti, Sandra Nuti, Ennio De Gregorio, Sylvie Bertholet, Anja Seubert, Fabio Bagnoli, Giuliano Bensi, Emiliano Chiarot
Staphylococcus aureus is the major cause of human septic arthritis and osteomyelitis, which deserve special attention due to their rapid evolution and resistance to treatment. The progression of the disease depends on both bacterial presence in situ and uncontrolled disruptive immune response, which is responsible for chronic disease. Articular and bone infections are often the result of blood bacteremia, with the knees and hips being the most frequently infected joints showing the worst clinical outcome. We report the development of a hematogenous model of septic arthritis in murine knees, which progresses from an acute to a chronic phase, similarly to what occurs in humans...
November 30, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27899237/-neuropathic-physeal-injury-differential-diagnosis-with-osteomyelitis
#4
Úrsula Quesada, Juan Cabello, Gaspar González Morán, Cristina Calvo
No abstract text is available yet for this article.
November 26, 2016: Anales de Pediatría: Publicación Oficial de la Asociación Española de Pediatría (A.E.P.)
https://www.readbyqxmd.com/read/27898266/methicillin-resistant-staphylococcus-aureus-in-foot-osteomyelitis
#5
Chester N Ashong, Shazia A Raheem, Andrew S Hunter, Cezarina Mindru, Neal R Barshes
BACKGROUND: Conflicting studies exist regarding the impact of methicillin-resistant Staphylococcus aureus (MRSA) on increased time to wound healing, future need for surgical procedures, and likelihood of treatment failure in patients with diabetic foot osteomyelitis. The purpose of this study is to determine the overall significance of MRSA in predicting treatment failure in bone infections of the foot and to determine an appropriate pre-operative and empiric post-operative antibiotic regimen...
November 29, 2016: Surgical Infections
https://www.readbyqxmd.com/read/27896877/flavonoids-of-herba-epimedii-enhances-bone-repair-in-a-rabbit-model-of-chronic-osteomyelitis-during-post-infection-treatment-and-stimulates-osteoblast-proliferation-in-vitro
#6
Dan Shou, Yang Zhang, Lifeng Shen, Rongzong Zheng, Xiaowen Huang, Zhujun Mao, Zhongming Yu, Nani Wang, Yan Zhu
Flavonoids are the active component of the Herba Epimedii (H. Epimedii), which is commonly used in Asia. This study is to investigate the effect of H. Epimedii on bone repair after anti-infection treatment in vivo. The bioactive-composition group of H. Epimedii (BCGE) contained four flavonoids with the total content of 43.34%. Rabbits with chronic osteomyelitis in response to injection with Staphylococcus aureus were treated with BCGE of 242.70 mg/kg/day intragastrically after vancomycin-calcium sulphate treatment...
November 29, 2016: Phytotherapy Research: PTR
https://www.readbyqxmd.com/read/27896194/osteomyelitis-following-domestic-animal-bites-to-the-hand-two-case-reports-and-practical-guidelines
#7
Jung Soo Lim, Jin Hwan Byun, Kyung Hee Min, Hye Kyung Lee, Yun Sun Choi
Recently, the number of cases of animal bite wounds has increased significantly in concordance with an increase in the pet population around the world. The authors report two rare cases of osteomyelitis of the phalanx following cat and dog bites. On initial physical examination, signs of a severe infection were observed. Radiographs of both patients showed the presence of osteomyelitis, and in one of the patients, the diagnosis was confirmed with a bone biopsy. After use of empirical antibiotics, intravenous antibiotic therapy that matched the identified bacterium's sensitivity was initiated, and at the same time, secure dressing including debridement was performed to induce secondary healing...
November 2016: Archives of Plastic Surgery
https://www.readbyqxmd.com/read/27895372/diagnostic-value-of-sinus-tract-culture-versus-intraoperative-bone-culture-in-patients-with-chronic-osteomyelitis
#8
Saifullah Soomro, Muhammad Ather Siddiqi, Intikhab Taufiq
To compare the organisms isolated from the sinus tract culture and intraoperative bone culture in patients with chronic osteomyelitis. This cross sectional prospective study was conducted from February 2015 to March 2016. Ninety consecutive patients were enrolled in study (n=90). Inclusion criteria were patients with either sex, any age, chronic osteomyelitis having discharging sinus. Sample from sinus tracts and bone were taken through standardized aseptic technique and organism were cultured. There were 62 males and 28 females, male to female ratio 3:1, mean age was 40 years...
October 2016: JPMA. the Journal of the Pakistan Medical Association
https://www.readbyqxmd.com/read/27894964/approach-to-osteomyelitis-treatment-with-antibiotic-loaded-pmma
#9
REVIEW
Wentao Zhang, Guangyu Lei, Yang Liu, Wei Wang, Tao Song, Jinzhu Fan
BACKGROUND: To reduce the incidence of osteomyelitis infection, local antibiotic impregnated delivery systems are commonly used as a promising and effective approach to deliver high antibiotic concentrations at the infection site. OBJECTIVE: The objective of this review was to provide a literature review regarding approach to osteomyelitis treatment with antibiotic loaded PMMA. STUDY DESIGN: Literature study regarding osteomyelitis treatment with antibiotic loaded carriers using key terms Antibiotic, osteomyelitis, biodegradable PMMA through published articles...
November 25, 2016: Microbial Pathogenesis
https://www.readbyqxmd.com/read/27891039/chronic-pseudomonas-aeruginosa-cervical-osteomyelitis
#10
Sujeet Kumar Meher, Harsh Jain, Laxmi Narayan Tripathy, Sunandan Basu
Pseudomonas aeruginosa is a rare cause of osteomyelitis of the cervical spine and is usually seen in the background of intravenous drug use and immunocompromised state. Very few cases of osteomyelitis of the cervical spine caused by pseudomonas aeruginosa have been reported in otherwise healthy patients. This is a case presentation of a young female, who in the absence of known risk factors for cervical osteomyelitis presented with progressively worsening neurological signs and symptoms.
October 2016: Journal of Craniovertebral Junction and Spine
https://www.readbyqxmd.com/read/27890897/pott-s-puffy-tumor-in-an-adult-a-case-report-and-review-of-literature
#11
Satomi Tatsumi, Min Ri, Naoyuki Higashi, Nozomu Wakayama, Shoji Matsune, Mamiko Tosa
Pott's puffy tumor is a subperiosteal abscess of the frontal bone with osteomyelitis which has become rare because of the widespread use of antibiotics. Here, we report a case of Pott's puffy tumor in a 46-year-old man who visited the department of dermatology with painful swelling of the forehead. Despite open drainage and oral antibiotic therapy, the symptoms recurred twice in the following month. Computed tomography revealed a fistula of frontal bone. The eventual diagnosis was Pott's puffy tumor. The patient underwent endoscopic surgery at the department of otorhinolaryngology and achieved a complete recovery...
2016: Journal of Nippon Medical School, Nippon Ika Daigaku Zasshi
https://www.readbyqxmd.com/read/27888847/mr-imaging-of-the-diabetic-foot
#12
REVIEW
Eoghan McCarthy, William B Morrison, Adam C Zoga
Abnormalities of the peripheral nervous, vascular, and immune systems contribute to the development of numerous foot and ankle pathologies in the diabetic population. Although radiographs remain the most practical first-line imaging tool, magnetic resonance (MR) is the tertiary imaging modality of choice, allowing for optimal assessment of bone and soft tissue abnormalities. MR allows for the accurate distinction between osteomyelitis/septic arthritis and neuropathic osteoarthropathy. Furthermore, it provides an excellent presurgical anatomic road map of involved tissues and devitalized skin to ensure successful limited amputations when required...
February 2017: Magnetic Resonance Imaging Clinics of North America
https://www.readbyqxmd.com/read/27888790/complication-assessment-and-prevention-strategies-using-midfoot-fusion-bolt-for-medial-column-stabilization-in-charcot-s-osteoarthropathy
#13
Alexander T Mehlhorn, Markus Walther, Niklas Iblher, Norbert P Südkamp, Hagen Schmal
In Charcot's osteoarthropathy stabilization of the medial column of the foot was introduced in order to establish a stable foot and reduce the risk for amputation. This study was performed to analyze postoperative complications, define risk factors for those and develop strategies for prevention. Since bolt dislocation takes place frequently, it was aimed to predict an appropriate time point for bolt removal under the condition that osseous healing has occurred. Fourteen consecutive patients with neuroosteoarthropathy of the foot and arch collapse were treated with open reduction and stabilization using midfoot fusion bolt and lateral lag screws...
November 4, 2016: Foot
https://www.readbyqxmd.com/read/27888118/increased-risk-of-new-onset-fibromyalgia-among-chronic-osteomyelitis-patients-evidence-from-a-taiwan-cohort-study
#14
Jiunn-Horng Chen, Chih-Hsin Muo, Chia-Hung Kao, Chon-Haw Tsai, Chun-Hung Tseng
: Chronic inflammation, which changes the neurotransmitter metabolism and kindles neuroendocrine system dysfunction in central nervous system, might cause fibromyalgia (FM) formation. In FM patients without traditional FM risk factors, such as hypertension, hyperlipidemia, diabetes, sleep disorder, depression, and anxiety, chronic inflammatory process is a possible risk factor for FM. Thus, we investigated whether chronic osteomyelitis (COM), a disease characterized by chronic inflammation, increases FM risk...
November 22, 2016: Journal of Pain: Official Journal of the American Pain Society
https://www.readbyqxmd.com/read/27888079/neglected-recurrent-scalp-sinus-calvarial-tuberculosis-with-intracrnial-and-extracranial-extension
#15
Krishnamurthy B Holeppagol, Biswaranjan N Nayak, Ram Kumar K Goyal, Arunkumar K Kumar, Prafulla K Sahoo, Debabrata B Biswal
INTRODUCTION: Calvarial Tuberculosis with intracranial tuberculoma and skin involvement is rare condition even in endemic regions. CASE PRESENTATION: We herein describe an adult male patient presenting with generalized seizure ,altered mental state, scalp swelling and pus discharging sinus over scalp .MRI brain gave conflicting diagnosis of Anaplastic menigiomas /chronic osteomyelitis with intra cranial extension .Debridement and drainage of intracranial pus was done...
November 22, 2016: World Neurosurgery
https://www.readbyqxmd.com/read/27882078/debridement-in-chronic-osteomyelitis-with-benign-osteopetrosis-a-case-report
#16
Yu-Ping Liu, Xiang-Hua Lin, Man-Yun Yan, Bao-Quan Lin, Ming-Ying Zhuo
Osteopetrosis is a rare bone disease caused by metabolic imbalances as a result of genetic mutations. For instance, autosomal dominant osteopetrosis is caused by a missense mutation of the C1CN7 gene. This was first reported in 1904 and is thought to be caused by osteoclastic dysfunction and an impaired bone resorption ability. An accumulation of cortical bone mass during the remodeling of the medullary bone may increase the bone density and give rise to a hard marble consistency. Osteopetrosis can be divided into benign and malignant forms; however, no curative treatment exists for benign osteopetrosis...
November 2016: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/27881832/hematogenous-calcaneal-osteomyelitis-in-children-a-systematic-review-of-the-literature
#17
REVIEW
Megan L Mooney, Kirk Haidet, Jiayong Liu, Nabil A Ebraheim
: Osteomyelitis in children commonly affects long bones such as the femur, tibia, and humerus. There have been relatively few documented studies of osteomyelitis at unusual locations, such as the calcaneus. The objective of this study is to systematically review information on the diagnostic and treatment methods of calcaneal osteomyelitis as well as associated complications. Methods included research database searches using primarily PubMed and EMBASE databases. Results of the review show no clear approach to diagnosis and treatment of calcaneal osteomyelitis in children...
November 23, 2016: Foot & Ankle Specialist
https://www.readbyqxmd.com/read/27881195/the-involvement-of-runx2-and-sparc-genes-in-the-bacterial-chondronecrosis-with-osteomyelitis-in-broilers
#18
E Paludo, A M G Ibelli, J O Peixoto, F C Tavernari, C A V Lima-Rosa, J R C Pandolfi, M C Ledur
Economic losses due to an increase of leg disorders in broilers have become a major concern of the poultry industry. Despite the efforts to reduce skeletal abnormalities in chickens, insufficient progress has been made. Bacterial chondronecrosis with osteomyelitis (BCO) is one of the main disorders that affect bone integrity in broilers. However, the genetic pathways and genes involved in most bone problems, including BCO, remains unclear. In this study, femoral samples from male broilers with 45 days of age affected or not with BCO were used to compare the relative expression with a reverse transcription real time PCR approach of 13 candidate genes: SPP1 (osteopontin), TNFRSF11B (osteoprotegerin), SPARC (osteonectin), CALB1 (calbidin 1), CALM (Calmodulin 2), IBSP (sialoprotein), COL1A2 (collagen, type I, α 2), BMP2 (bone morphogenetic protein 2), BMP3 (bone morphogenetic protein 3), RANKL (κ-B nuclear factor ligand), SMAD1 (SMAD family member 1), LEPR (leptin receptor) and RUNX2 (related transcription factor Runt 2)...
November 24, 2016: Animal: An International Journal of Animal Bioscience
https://www.readbyqxmd.com/read/27879302/neonatal-osteomyelitis-of-the-first-rib-causing-lung-abscess
#19
Sijo K John, Sundeep Payyanur Thotan, Vijay Kumar, Santosh Prabhu
Rib osteomyelitis (OM) is a rare disease that occurs in ∼1% or less of all haematogenous OM. Acute OM of the rib has rarely been reported and its treatment is difficult. Prompt recognition and aggressive treatment will reduce mortality and morbidity in a new born.
November 22, 2016: BMJ Case Reports
https://www.readbyqxmd.com/read/27872772/an-uncommon-feature-of-chronic-granulomatous-disease-in-a-neonate
#20
Razieh Afrough, Sayyed Shahabeddin Mohseni, Setareh Sagheb
Chronic Granulomatous Disease (CGD) represents recurrent life-threatening bacterial and fungal infections and granuloma formation with a high mortality rate. CGD's sign and symptoms usually appear in infancy and children before the age of five; therefore, its presentation in neonatal period with some uncommon features may be easily overlooked. Here we describe a case of CGD in a 24-day-old boy, presenting with a diffuse purulent vesiculopustular rash and multiple osteomyelitis.
2016: Case Reports in Infectious Diseases
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