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https://www.readbyqxmd.com/read/28219306/infection-after-fracture-osteosynthesis-part-ii
#1
Christian Fang, Tak-Man Wong, Kelvin Kw To, Samson Sy Wong, Tak-Wing Lau, Frankie Leung
In the first part of this article, we have discussed the pathogenesis, clinical presentation, diagnosis and classification of infection after fracture osteosynthesis with implants, termed here as osteosynthesis-associated infection (OAI). Prolonged antibiotic treatment is usually necessary. Implant retention and maintenance of fracture stability to allow for fracture healing in spite of infection are allowed for OAI. Depending on the severity of infection, status of fracture healing and host status, the treatment follows five common pathways...
January 2017: Journal of Orthopaedic Surgery
https://www.readbyqxmd.com/read/28215118/infection-after-fracture-osteosynthesis-part-i
#2
Christian Fang, Tak-Man Wong, Tak-Wing Lau, Kelvin Kw To, Samson Sy Wong, Frankie Leung
Bone and surgical site infections after osteosynthesis are notoriously difficult to manage and pose a tremendous burden in fracture management. In this article, we use the term osteosynthesis-associated infection (OAI) to refer to this clinical entity. While relatively few surgically treated fractures become infected, it is challenging to perform a rapid diagnosis. Optimal management strategies are complex and highly customized to each scenario and take into consideration the status of fracture union, the presence of hardware and the degree of mechanical stability...
January 2017: Journal of Orthopaedic Surgery
https://www.readbyqxmd.com/read/28192233/use-of-ontology-structure-and-bayesian-models-to-aid-the-crowdsourcing-of-icd-11-sanctioning-rules
#3
Yun Lou, Samson W Tu, Csongor Nyulas, Tania Tudorache, Robert J G Chalmers, Mark A Musen
The International Classification of Diseases (ICD) is the de facto standard international classification for mortality reporting and for many epidemiological, clinical, and financial use cases. The next version of ICD, ICD-11, will be submitted for approval by the World Health Assembly in 2018. Unlike previous versions of ICD, where coders mostly select single codes from pre-enumerated disease and disorder codes, ICD-11 coding will allow extensive use of multiple codes to give more detailed disease descriptions...
February 10, 2017: Journal of Biomedical Informatics
https://www.readbyqxmd.com/read/28033026/reliability-of-oronasal-fistula-classification
#4
Thomas J Sitzman, Alexander C Allori, Damir B Matic, Stephen P Beals, David M Fisher, Thomas D Samson, Jeffrey R Marcus, Raymond Tse, The Americleft Task Force Surgeon Subgroup
OBJECTIVE:   Oronasal fistula is an important complication of cleft palate repair that is frequently used to evaluate surgical quality, yet reliability of fistula classification has never been examined. The objective of this study was to determine the reliability of oronasal fistula classification both within individual surgeons and between multiple surgeons. DESIGN:   Using intraoral photographs of children with repaired cleft palate, surgeons rated the location of palatal fistulae using the Pittsburgh Fistula Classification System...
December 29, 2016: Cleft Palate-craniofacial Journal
https://www.readbyqxmd.com/read/27765519/the-new-approach-to-classification-of-focal-epilepsies-epileptic-discharge-and-disconnectivity-in-relation-to-cognition
#5
REVIEW
Vera Dinkelacker, Sophie Dupont, Séverine Samson
The new classification of epilepsy stratifies the disease into an acute level, based on seizures, and an overarching chronic level of epileptic syndromes (Berg et al., 2010). In this new approach, seizures are considered either to originate and evolve in unilateral networks or to rapidly encompass both hemispheres. This concept extends the former vision of focal and generalized epilepsies to a genuine pathology of underlying networks. These key aspects of the new classification can be linked to the concept of cognitive curtailing in focal epilepsy...
November 2016: Epilepsy & Behavior: E&B
https://www.readbyqxmd.com/read/27720547/hyperspectral-leaf-reflectance-of-carpinus-betulus-l-saplings-for-urban-air-quality-estimation
#6
Melanka Brackx, Shari Van Wittenberghe, Jolien Verhelst, Paul Scheunders, Roeland Samson
In urban areas, the demand for local assessment of air quality is high. The existing monitoring stations cannot fulfill the needs. This study assesses the potential of hyperspectral tree leaf reflectance for monitoring traffic related air pollution. Hereto, 29 Carpinus betulus saplings were exposed to an environment with either high or low traffic intensity. The local air quality was estimated by leaf saturation isothermal remanent magnetization (SIRM). The VIS-NIR leaf reflectance spectrum (350-2500 nm) was measured using a handheld AgriSpec spectroradiometer (ASD Inc...
January 2017: Environmental Pollution
https://www.readbyqxmd.com/read/27616794/new-sections-in-penicillium-containing-novel-species-producing-patulin-pyripyropens-or-other-bioactive-compounds
#7
J Houbraken, L Wang, H B Lee, J C Frisvad
Subgenera and sections have traditionally been used in Penicillium classifications. In the past, this sectional classification was based on macro- and microscopic characters, and occasionally supplemented with physiological and/or extrolite data. Currently, 25 sections are accepted, largely based on phylogenetic data. Certain sections of subgenus Penicillium were never studied in detail using a multigene sequence approach combined with phenotypic, ecological and extrolite data. Based on a combined partial β-tubulin (BenA), calmodulin (CaM) and RNA polymerase II second largest subunit (RPB2) multigene sequence dataset, we introduce two new sections (Osmophila and Robsamsonia) in subgenus Penicillium and synonymize section Digitata with section Penicillium...
June 2016: Persoonia
https://www.readbyqxmd.com/read/27616789/phylogenetic-reassessment-of-the-chaetomium-globosum-species-complex
#8
X W Wang, L Lombard, J Z Groenewald, J Li, S I R Videira, R A Samson, X Z Liu, P W Crous
Chaetomium globosum, the type species of the genus, is ubiquitous, occurring on a wide variety of substrates, in air and in marine environments. This species is recognised as a cellulolytic and/or endophytic fungus. It is also known as a source of secondary metabolites with various biological activities, having great potential in the agricultural, medicinal and industrial fields. On the negative side, C. globosum has been reported as an air contaminant causing adverse health effects and as causal agent of human fungal infections...
June 2016: Persoonia
https://www.readbyqxmd.com/read/27493643/phylogenomic-analyses-and-reclassification-of-species-within-the-genus-tsukamurella-insights-to-species-definition-in-the-post-genomic-era
#9
Jade L L Teng, Ying Tang, Yi Huang, Feng-Biao Guo, Wen Wei, Jonathan H K Chen, Samson S Y Wong, Susanna K P Lau, Patrick C Y Woo
Owing to the highly similar phenotypic profiles, protein spectra and 16S rRNA gene sequences observed between three pairs of Tsukamurella species (Tsukamurella pulmonis/Tsukamurella spongiae, Tsukamurella tyrosinosolvens/Tsukamurella carboxy-divorans, and Tsukamurella pseudospumae/Tsukamurella sunchonensis), we hypothesize that and the six Tsukamurella species may have been misclassified and that there may only be three Tsukamurella species. In this study, we characterized the type strains of these six Tsukamurella species by tradition DNA-DNA hybridization (DDH) and "digital DDH" after genome sequencing to determine their exact taxonomic positions...
2016: Frontiers in Microbiology
https://www.readbyqxmd.com/read/27257031/tsukamurellaserpentis-sp-nov-isolated-from-the-oral-cavity-of-chinese-cobras-naja-atra
#10
Ying Tang, Jade L L Teng, Candy L W Cheung, Antonio H Y Ngan, Yi Huang, Samson S Y Wong, Eric K T Yip, Kenneth H L Ng, Tak-Lun Que, Susanna K P Lau, Patrick C Y Woo
Two bacterial strains, HKU54T and HKU55, were isolated from the oral cavity of two Chinese cobras (Naja atra) in Hong Kong. 16S rRNA gene sequence analysis revealed 100 % sequence identity between HKU54T and HKU55, and the two strains shared 99.0 % sequence identities with Tsukamurella inchonensis ATCC 700082T. The two strains had unique biochemical profiles distinguishable from closely related species of the genus Tsukamurella. DNA-DNA hybridization confirmed that they belonged to the same species (≥92...
September 2016: International Journal of Systematic and Evolutionary Microbiology
https://www.readbyqxmd.com/read/26833145/management-of-giant-cell-arteritis-recommendations-of-the-french-study-group-for-large-vessel-vasculitis-gefa
#11
B Bienvenu, K H Ly, M Lambert, C Agard, M André, Y Benhamou, B Bonnotte, H de Boysson, O Espitia, G Fau, A-L Fauchais, F Galateau-Sallé, J Haroche, E Héron, F-X Lapébie, E Liozon, L B Luong Nguyen, J Magnant, A Manrique, M Matt, M de Menthon, L Mouthon, X Puéchal, G Pugnet, T Quemeneur, A Régent, D Saadoun, M Samson, D Sène, P Smets, C Yelnik, L Sailler, A Mahr
PURPOSE: Management of giant cell arteritis (GCA, Horton's disease) involves many uncertainties. This work was undertaken to establish French recommendations for GCA management. METHODS: Recommendations were developed by a multidisciplinary panel of 33 physicians, members of the French Study Group for Large Vessel Vasculitis (Groupe d'étude français des artérites des gros vaisseaux [GEFA]). The topics to be addressed, selected from proposals by group members, were assigned to subgroups to summarize the available literature and draft recommendations...
March 2016: La Revue de Médecine Interne
https://www.readbyqxmd.com/read/26047183/new-baseline-environmental-assessment-of-mosquito-ecology-in-northern-haiti-during-increased-urbanization
#12
Dayana M Samson, Reginald S Archer, Temitope O Alimi, Kristopher L Arheart, Daniel E Impoinvil, Roland Oscar, Douglas O Fuller, Whitney A Qualls
The catastrophic 2010 earthquake in Port-au-Prince, Haiti, led to the large-scale displacement of over 2.3 million people, resulting in rapid and unplanned urbanization in northern Haiti. This study evaluated the impact of this unplanned urbanization on mosquito ecology and vector-borne diseases by assessing land use and change patterns. Land-use classification and change detection were carried out on remotely sensed images of the area for 2010 and 2013. Change detection identified areas that went from agricultural, forest, or bare-land pre-earthquake to newly developed and urbanized areas post-earthquake...
June 2015: Journal of Vector Ecology: Journal of the Society for Vector Ecology
https://www.readbyqxmd.com/read/25492983/polyphasic-taxonomy-of-the-genus-talaromyces
#13
N Yilmaz, C M Visagie, J Houbraken, J C Frisvad, R A Samson
The genus Talaromyces was described by Benjamin in 1955 as a sexual state of Penicillium that produces soft walled ascomata covered with interwoven hyphae. Phylogenetic information revealed that Penicillium subgenus Biverticillium and Talaromyces form a monophyletic clade distinct from the other Penicillium subgenera. Subsequently, in combination with the recent adoption of the one fungus one name concept, Penicillium subgenus Biverticillium was transferred to Talaromyces. At the time, the new combinations were made based only on phylogenetic information...
June 2014: Studies in Mycology
https://www.readbyqxmd.com/read/25332876/characterization-of-change-in-the-harike-wetland-a-ramsar-site-in-india-using-landsat-satellite-data
#14
Samson Okongo Mabwoga, Ashwani Kumar Thukral
The increasing population in the developing countries has rendered wetlands vulnerable to land use changes. Remote sensing offers a rapid and efficient means of data acquisition of ecosystems in time and space. The present study was undertaken to identify changes in the Harike wetland, a Ramsar site in the state of Punjab, India; and identify causal factors, as well as vulnerable areas threatened from the land cover changes. Unsupervised classification and post-classification change detection techniques were applied to Landsat Thematic Mapper (TM) and Enhanced Thematic Mapper Plus (ETM+) data of 16-10-1989, 22-10-2000 and 26-10-2010...
2014: SpringerPlus
https://www.readbyqxmd.com/read/25175430/management-of-intracranial-aneurysms-associated-with-arteriovenous-malformations
#15
Bruno C Flores, Daniel R Klinger, Kim L Rickert, Samuel L Barnett, Babu G Welch, Jonathan A White, H Hunt Batjer, Duke S Samson
Intracranial or brain arteriovenous malformations (BAVMs) are some of the most interesting and challenging lesions treated by the cerebrovascular neurosurgeon. It is generally believed that the combination of BAVMs and intracranial aneurysms (IAs) is associated with higher hemorrhage rates at presentation and higher rehemorrhage rates and thus with a more aggressive course and natural history. There is wide variation in the literature on the prevalence of BAVM-associated aneurysms (range 2.7%-58%), with 10%-20% being most often cited in the largest case series...
September 2014: Neurosurgical Focus
https://www.readbyqxmd.com/read/24869851/logistic-regression-analysis-of-psychosocial-correlates-associated-with-recovery-from-schizophrenia-in-a-chinese-community
#16
Samson Tse, Larry Davidson, Ka-Fai Chung, Chong Ho Yu, King Lam Ng, Emily Tsoi
BACKGROUND AND AIMS: More mental health services are adopting the recovery paradigm. This study adds to prior research by (a) using measures of stages of recovery and elements of recovery that were designed and validated in a non-Western, Chinese culture and (b) testing which demographic factors predict advanced recovery and whether placing importance on certain elements predicts advanced recovery. METHOD: We examined recovery and factors associated with recovery among 75 Hong Kong adults who were diagnosed with schizophrenia and assessed to be in clinical remission...
February 2015: International Journal of Social Psychiatry
https://www.readbyqxmd.com/read/24460662/decision-making-on-detection-and-triage-of-oral-mucosa-lesions-in-community-dental-practices-screening-decisions-and-referral
#17
Denise M Laronde, P M Williams, T G Hislop, Catherine Poh, Samson Ng, Lewei Zhang, Miriam P Rosin
UNLABELLED: Oral cancer is a substantial, often unrecognized issue globally, with close to 300 000 new cases reported annually. It is a management conundrum: a cancer site that is easily examined; yet more than 40% of oral cancers are diagnosed at a late stage when prognosis is poor and treatment can be devastating. Opportunistic screening within the dental office could lead to earlier diagnosis and intervention with improved survival. OBJECTIVE: To describe how clinicians make decisions about referral based on the risk classification of the lesion...
August 2014: Community Dentistry and Oral Epidemiology
https://www.readbyqxmd.com/read/24398250/generation-of-ipsc-lines-from-archived-non-cryoprotected-biobanked-dura-mater
#18
Andrew A Sproul, Lauren B Vensand, Carmen R Dusenberry, Samson Jacob, Jean Paul G Vonsattel, Daniel J Paull, Michael L Shelanski, John F Crary, Scott A Noggle
BACKGROUND: Induced pluripotent stem cells (iPSCs) derived from patients with neurodegenerative disease generally lack neuropathological confirmation, the gold standard for disease classification and grading of severity. The use of tissue with a definitive neuropathological diagnosis would be an ideal source for iPSCs. The challenge to this approach is that the majority of biobanked brain tissue was not meant for growing live cells, and thus was not frozen in the presence of cryoprotectants such as DMSO...
January 7, 2014: Acta Neuropathologica Communications
https://www.readbyqxmd.com/read/24261315/exploring-the-recovery-concept-in-bipolar-disorder-a-decision-tree-analysis-of-psychosocial-correlates-of-recovery-stages
#19
Samson Tse, Greg Murray, Ka-Fai Chung, Larry Davidson, King-Lam Ng, Chong Ho Yu
OBJECTIVES: The recovery movement has generated interest in the concept of personal recovery, but little attention has been paid to it in relation to bipolar disorder (BD). The aim of this study was to examine personal recovery in BD using a staged model, exploring whether different stages are associated with different psychosocial and clinical profiles. METHODS: Adults with BD in remission (n = 75) were recruited from an outpatient psychiatric clinic in Hong Kong...
June 2014: Bipolar Disorders
https://www.readbyqxmd.com/read/24243554/anatomic-segmentation-improves-prostate-cancer-detection-with-artificial-neural-networks-analysis-of-1h-magnetic-resonance-spectroscopic-imaging
#20
Lukasz Matulewicz, Jacobus F A Jansen, Louisa Bokacheva, Hebert Alberto Vargas, Oguz Akin, Samson W Fine, Amita Shukla-Dave, James A Eastham, Hedvig Hricak, Jason A Koutcher, Kristen L Zakian
PURPOSE: To assess whether an artificial neural network (ANN) model is a useful tool for automatic detection of cancerous voxels in the prostate from (1)H-MRSI datasets and whether the addition of information about anatomical segmentation improves the detection of cancer. MATERIALS AND METHODS: The Institutional Review Board approved this HIPAA-compliant study and waived informed consent. Eighteen men with prostate cancer (median age, 55 years; range, 36-71 years) who underwent endorectal MRI/MRSI before radical prostatectomy were included in this study...
December 2014: Journal of Magnetic Resonance Imaging: JMRI
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