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https://www.readbyqxmd.com/read/28507611/the-impact-of-extended-typing-on-red-blood-cell-alloimmunization-in-transfused-patients
#1
Tatjana Makarovska-Bojadzieva, Emilija Velkova, Milenka Blagoevska
BACKGROUND: Red blood cell (RBC) alloimmunization is still an actual problem in our transfusion practice. In 2011, in addition to the regular ABO/D blood group typing, phenotyping for Rh (C, c, E, e) and Kell antigens was introduced for blood donors and patients undergoing blood transfusion. Our aim was to evaluate the impact of the extended RBC typing and donor/recipient matching on the incidence of RBC alloimmunization. METHODS: A retrospective comparative study was conducted by reviewing RBC request records for about 36,000 patients transfused with RBC in the period from 2013 to 2015 in comparison to the similar study conducted on 47,000 transfused patients in the period from 2005 to 2008...
April 15, 2017: Open Access Macedonian Journal of Medical Sciences
https://www.readbyqxmd.com/read/28488058/-evaluating-the-maturity-of-it-supported-clinical-imaging-and-diagnosis-using-the-digital-imaging-adoption-model-are-your-clinical-imaging-processes-ready-for-the-digital-era
#2
REVIEW
J Studzinski
The Digital Imaging Adoption Model (DIAM) has been jointly developed by HIMSS Analytics and the European Society of Radiology (ESR). It helps evaluate the maturity of IT-supported processes in medical imaging, particularly in radiology. This eight-stage maturity model drives your organisational, strategic and tactical alignment towards imaging-IT planning. The key audience for the model comprises hospitals with imaging centers, as well as external imaging centers that collaborate with hospitals. The assessment focuses on different dimensions relevant to digital imaging, such as software infrastructure and usage, workflow security, clinical documentation and decision support, data exchange and analytical capabilities...
May 9, 2017: Der Radiologe
https://www.readbyqxmd.com/read/28464372/validation-of-phantom-based-harmonization-for-patient-harmonization
#3
Joseph V Panetta, Margaret E Daube-Witherspoon, Joel S Karp
PURPOSE: To improve the precision of multicenter clinical trials, several efforts are underway to determine scanner-specific parameters for harmonization using standardized phantom measurements. The goal of this study was to test the correspondence between quantification in phantom and patient images and validate the use of phantoms for harmonization of patient images. METHODS: The National Electrical Manufacturers' Association image quality phantom with hot spheres was scanned on two time-of-flight PET scanners...
May 2, 2017: Medical Physics
https://www.readbyqxmd.com/read/28389537/airborne-pathogens-inside-automobiles-for-domestic-use-assessing-in-car-air-decontamination-devices-using-staphylococcus-aureus-as-the-challenge-bacterium
#4
Syed A Sattar, Bahram Zargar, Kathryn E Wright, Joseph R Rubino, M Khalid Ijaz
Family cars represent ∼74% of the yearly global output of motorized vehicles. With a life expectancy of ∼8 decades in many countries, the average person spends >100 min daily inside the confined and often shared space of the car, with exposure to a mix of potentially harmful microbes. Can commercial in-car microbial air decontamination devices mitigate the risk? Three such devices (designated devices 1 to 3) with HEPA filters were tested in the modified passenger cabin (3.25 m(3)) of a four-door sedan housed within a biosafety level 3 containment facility...
May 15, 2017: Applied and Environmental Microbiology
https://www.readbyqxmd.com/read/28301394/effects-on-the-anti-abo-titers-of-military-blood-donors-from-a-predeployment-vaccination-program
#5
Olle Berséus
BACKGROUND: The use of blood group O as "universal blood" for emergency whole blood transfusions carries the risk for a hemolytic transfusion reaction mediated by incompatible A/B antibodies. This risk can be minimized by assuring that the donor has a low titer of anti-A and anti-B. The level of these naturally occurring antibodies has been shown to be increased by vaccination with most biologically derived vaccines. This boostering effect has been investigated for the new generation of vaccines...
June 2017: Journal of Trauma and Acute Care Surgery
https://www.readbyqxmd.com/read/28293401/alloimmunization-in-patients-with-sickle-cell-disease-and-thalassemia-experience-of-a-single-centre-in-oman
#6
Salam Alkindi, Saba AlMahrooqi, Sumaiya AlHinai, Ali AlMarhoobi, Saif Al-Hosni, Shahina Daar, Naglaa Fawaz, Anil Pathare
BACKGROUND: Blood transfusion is an integral part of the supportive care for patients with sickle cell disease (SCD) and thalassaemia. The hazard of red cell alloimmunization, however, is one of the main complications of this therapy. OBJECTIVES: The aim of this study was to evaluate the prevalence of red cell alloimmunization in Omani patients with sickle cell anaemia and thalassemia. METHODS: This study included 262 patients whose historical transfusion records were available...
2017: Mediterranean Journal of Hematology and Infectious Diseases
https://www.readbyqxmd.com/read/28182422/unraveling-the-structure-affinity-relationship-between-cucurbit-n-urils-n-7-8-and-cationic-diamondoids
#7
David Sigwalt, Marina Šekutor, Liping Cao, Peter Y Zavalij, Jiří Hostaš, Haresh Ajani, Pavel Hobza, Kata Mlinarić-Majerski, Robert Glaser, Lyle Isaacs
We report the measurement of the binding constants (Ka) for cucurbit[n]uril (n = 7, 8) toward four series of guests based on 2,6-disubstituted adamantanes, 4,9-disubstituted diamantanes, 1,6-disubstituted diamantanes, and 1-substituted adamantane ammonium ions by direct and competitive (1)H NMR spectroscopy. Compared to the affinity of CB[7]·Diam(NMe3)2, the adamantane diammonium ion complexes (e.g., CB[7]·2,6-Ad(NH3)2 and CB[7]·2,6-Ad(NMe3)2) are less effective at realizing the potential 1000-fold enhancement in affinity due to ion-dipole interactions at the second ureidyl C═O portal...
February 21, 2017: Journal of the American Chemical Society
https://www.readbyqxmd.com/read/28164163/change-of-sagittal-spinal-alignment-and-its-association-with-pain-and-function-after-lumbar-surgery-augmented-with-an-interspinous-implant
#8
Rebecca J Crawford, Quentin J Malone, Roger I Price
BACKGROUND: Interspinous spacer/implants like the Device for Intervertebral Assisted Motion (DIAM™) are controversially yet commonly used in the surgical treatment of lumbar degenerative pathologies. Criticism is based on ill-defined indications, lack of superiority over decompression, and a poorly understood mechanical effect. Yet, continued use by surgeons implies their perceived clinical merit. We examined radiographic spinal alignment for 12 months, and pain and function for 24 months, after DIAM-augmented surgery to improve the understanding of the mechanical effect relating to clinical outcomes in patients...
2017: Scoliosis and Spinal Disorders
https://www.readbyqxmd.com/read/28154432/are-entomopathogenic-nematodes-effective-biological-control-agents-against-the-carob-moth-ectomyelois-ceratoniae
#9
Zahra Memari, Javad Karimi, Shokoofeh Kamali, Seyed Hossein Goldansaz, Mojtaba Hosseini
The carob moth (Ectomyelois ceratoniae) is the key pest of pomegranate, which causes a significant percentage of losses in pomegranate orchards and warehouses of Iran annually. The pest larvae are characterized by displaying a cryptic behavior within the fruit, which avoids most routine control techniques, especially chemical method. The low efficiency of traditional measurements and also the rich species diversity of natural enemies within the infested fruits highlight the necessity of exploring effective control methods, especially environmental friendly approaches...
December 2016: Journal of Nematology
https://www.readbyqxmd.com/read/28046765/su-f-t-49-dosimetry-parameters-and-tps-commissioning-for-the-civasheet-directional-pd-103-brachytherapy-source
#10
M J Rivard
PURPOSE: The CivaSheet is a new LDR Pd-103 brachytherapy device offering directional-radiation for preferentially irradiating malignancies with healthy-tissue sparing. Observations are presented on dosimetric characterization, TPS commissioning, and evaluation of the dosesuperposition- principle for summing individual elements comprising a planar CivaSheet METHODS: The CivaSheet comprises individual sources (CivaDots, 0.05cm thick and 0.25cm diam.) inside a flexible bioabsorbable substrate with a 0...
June 2016: Medical Physics
https://www.readbyqxmd.com/read/28026727/radiological-changes-after-interspinous-dynamic-stabilisation-for-lateral-stenosis-of-lumbar-spinal-canal-a-parallel-group-randomised-trial
#11
RANDOMIZED CONTROLLED TRIAL
J Mohar, M Cimerman
PURPOSE OF THE STUDY Interspinous dynamic stabilisation devices (IDSDs) are used for stabilisation and indirect decompression of the spinal motion segment in minimally invasive treatment of degenerative conditions of lumbar spine. Good methodological quality studies on biomechanical effects of IDSDs are lacking in scientific literature. The purpose of this study was to evaluate the biomechanical effect of dynamic IDSD implantation on a spinal motion segment. MATERIAL AND METHODS We conducted a parallel group randomised trial (RT) on twelve patients, comparing radiological stabilisation and indirect decompression outcome measures between groups of patients with an isolated degenerative condition of L4-L5 motion segment and unilateral L5 nerve root radiculopathy...
2016: Acta Chirurgiae Orthopaedicae et Traumatologiae Cechoslovaca
https://www.readbyqxmd.com/read/27895641/pneumococcal-polysaccharide-vaccination-elicits-igg-anti-a-b-blood-group-antibodies-in-healthy-individuals-and-patients-with-type-i-diabetes-mellitus
#12
Wendelin Wolfram, Kai M T Sauerwein, Christoph J Binder, Nicole Eibl-Musil, Hermann M Wolf, Michael B Fischer
HYPOTHESIS: Blood group antibodies are natural antibodies that develop early in life in response to cross-reactive environmental antigens in the absence of antigen encounter. Even later in life structural similarities in saccharide composition between environmental antigens such as bacterial polysaccharides and blood group A/B antigens could lead to changes in serum levels, IgM/IgG isotype, and affinity maturation of blood group anti-A/B antibodies. We addressed the question whether immunization with pneumococcal polysaccharide (PnP) vaccine Pneumo 23 Vaccine "Pasteur Merieux" (Pn23) could have such an effect in patients with type I diabetes mellitus (DM I), an autoimmune disease where an aberrant immune response to microbial antigens likely plays a role...
2016: Frontiers in Immunology
https://www.readbyqxmd.com/read/27847581/foreign-body-reaction-after-implantation-of-a-device-for-intervertebral-assisted-motion
#13
Jun-Yeong Seo, Kee-Yong Ha, Young-Hoon Kim, Joo-Hyun Ahn
The device for intervertebral assisted motion (DIAM) is a dynamic implant that consists of a silicone bumper enveloped by a polyethylene terephthalate (PET) fiber sack. Silicone and PET were used because of their biological inertness, but repetitive motion of the spine can cause wear on the implant nonetheless. The purpose of this study is to report a case of foreign body reaction (FBR) against a DIAM. A 72-year-old female patient presented with lower back pain and both legs radiating pain. She had undergone DIAM implantation at L4-5 for spinal stenosis 5 years previously...
November 2016: Journal of Korean Neurosurgical Society
https://www.readbyqxmd.com/read/27832605/bdnf-effects-on-functional-recovery-across-motor-behaviors-after-cervical-spinal-cord-injury
#14
Vivian Hernandez-Torres, Heather M Gransee, Carlos B Mantilla, Yao Wang, Wen-Zhi Zhan, Gary C Sieck
Unilateral C2 cervical spinal cord hemisection (SH) disrupts descending excitatory drive to phrenic motor neurons, thereby paralyzing the ipsilateral diaphragm muscle (DIAm) during ventilatory behaviors. Recovery of rhythmic DIAm activity ipsilateral to injury occurs over time, consistent with neuroplasticity and strengthening of spared synaptic inputs to phrenic motor neurons. Localized intrathecal delivery of brain-derived neurotrophic factor (BDNF) to phrenic motor neurons after SH enhances recovery of eupneic DIAm activity...
February 1, 2017: Journal of Neurophysiology
https://www.readbyqxmd.com/read/27826214/clinical-outcome-following-diam-implantation-for-symptomatic-lumbar-internal-disk-disruption-a-3-year-retrospective-analysis
#15
Kang Lu, Po-Chou Liliang, Hao-Kuang Wang, Jui-Sheng Chen, Te-Yuan Chen, Ruyi Huang, Han-Jung Chen
BACKGROUND/OBJECTIVE: Internal disk disruption (IDD), an early event of lumbar disk degeneration, is the most common cause of low back pain. Since increased intradiskal pressure (IDP) is associated with symptoms and progression of disk degeneration, unloading a painful disk with an interspinous process device (IPD) is a rational treatment option. The goal of this study was to evaluate the effectiveness of dynamic stabilization with an IPD in the treatment of symptomatic IDD of the lumbar spine...
2016: Journal of Pain Research
https://www.readbyqxmd.com/read/27704286/herniectomy-versus-herniectomy-with-the-diam-spinal-stabilization-system-in-patients-with-sciatica-and-concomitant-low-back-pain-results-of-a-prospective-randomized-controlled-multicenter-trial
#16
Ferdinand Krappel, Marco Brayda-Bruno, Giovanni Alessi, Jean-Michel Remacle, Luis Alberto Lopez, Jesus Javier Fernández, Gianluca Maestretti, Christian W A Pfirrmann
PURPOSE: To investigate the short and medium term efficacy and patient outcomes of DIAM spinal stabilization system on back pain, disability, leg pain and quality of life. METHODS: 165 patients were enrolled; 146 patients with a single level disc herniation (L2 to L5) were randomized: 75 investigational (herniectomy and DIAM) and 71 control (herniectomy alone) treated and followed up for 24 months. RESULTS: Significant improvements overtime (P < 0...
October 4, 2016: European Spine Journal
https://www.readbyqxmd.com/read/27605858/direct-antiglobulin-test-positivity-in-multi-transfused-thalassemics
#17
Ashish Jain, Ajju Agnihotri, Neelam Marwaha, Ratti Ram Sharma
INTRODUCTION: Red cell allo- and auto-immunization is a well recognized problem in multi-transfused thalassemic patients. We conducted this study on 301 multi-transfused thalassemic patients under the Thalassemia Transfusion Programme of Advanced Pediatric Centre of PGIMER. AIMS AND OBJECTIVES: The study was designed to determine the frequency of alloimmunization and autoimmunization in multi-transfused thalassemic patients and to establish the specificity of alloantibody to red cell antigens, if alloimmunization is detected...
July 2016: Asian Journal of Transfusion Science
https://www.readbyqxmd.com/read/27499550/effect-of-using-2mm-voxels-on-observer-performance-for-pet-lesion-detection
#18
A Michael Morey, Frédéric Noo, Dan J Kadrmas
Positron emission tomography (PET) images are typically reconstructed with an in-plane pixel size of approximately 4mm for cancer imaging. The objective of this work was to evaluate the effect of using smaller pixels on general oncologic lesion-detection. A series of observer studies was performed using experimental phantom data from the Utah PET Lesion Detection Database, which modeled whole-body FDG PET cancer imaging of a 92kg patient. The data comprised 24 scans over 4 days on a Biograph mCT time-of-flight (TOF) PET/CT scanner, with up to 23 lesions (diam...
June 2016: IEEE Transactions on Nuclear Science
https://www.readbyqxmd.com/read/27477395/distribution-partitioning-and-bioaccumulation-of-substituted-diphenylamine-antioxidants-and-benzotriazole-uv-stabilizers-in-an-urban-creek-in-canada
#19
Zhe Lu, Amila O De Silva, Thomas E Peart, Cyril J Cook, Gerald R Tetreault, Mark R Servos, Derek C G Muir
Substituted diphenylamine antioxidants (SDPAs) and benzotriazole UV stabilizers (BZT-UVs), previously under reported classes of organic contaminants, were determined in sediment, water, and freshwater biota in an urban creek in Canada. SDPAs and BZT-UVs were frequently detected in all matrices including upstream of the urban area in a rural agricultural/woodlot region, suggesting a ubiquitous presence and bioaccumulation of these emerging contaminants. Spatial comparisons were characterized by higher levels of SDPAs downstream compared with the upstream, implying a possible influence of the urban activities on the antioxidant contamination in the sampling area...
September 6, 2016: Environmental Science & Technology
https://www.readbyqxmd.com/read/27470789/description-of-cryptaphelenchus-iranicus-n-sp-nematoda-ektaphelenchinae-recovered-from-bark-samples-of-pinus-nigra-from-iran
#20
Mehrab Esmaeili, Ramin Heydari, Zahra Majd Taheri, Yiwu Fang, Hongmei Li
Cryptaphelenchus iranicus n. sp., recovered from bark and wood samples of a weakened Pinus nigra in Kermanshah Province, western Iran, is described. The new species has females with body length of 250-330 µm and males 230-275 µm long, lip region set-off from body contour, 7-8 μm long stylet with small basal swellings, excretory pore located at 1.5-2.0 body diam. posterior to median bulb, post-vulval uterine sac short, 7-10 µm long and conical female posterior body end (tail) ending to a pointed tip. Males of the new species have seven (1+2+2+2) caudal papillae and a short mucro at tail tip...
July 19, 2016: Zootaxa
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