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Point-of-care testing

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https://www.readbyqxmd.com/read/28438574/extreme-hypertriglyceridemia-pseudohyponatremia-and-pseudoacidosis-in-a-neonate-with-lipoprotein-lipase-deficiency-due-to-segmental-uniparental-disomy
#1
Ambika P Ashraf, Anna C E Hurst, Abhimanyu Garg
Extreme hypertriglyceridemia is rare in the neonatal period. We report a neonate with lipoprotein lipase (LPL) deficiency who presented with diagnostic and management conundrum. A full-term 36-day-old female was noted to have "Pepto-Bismol like" blood when repeating a newborn screening. The initial plasma triglyceride level was 24,318 mg/dL. The laboratory tests revealed serum bicarbonate level of <5 mmol/L, sodium of 127 mmol/L, and severe anemia. There were no signs of acute distress. The point of care capillary blood testing, however, demonstrated normal serum pH (7...
April 3, 2017: Journal of Clinical Lipidology
https://www.readbyqxmd.com/read/28438012/smartphone-based-dual-modality-imaging-system-for-quantitative-detection-of-color-or-fluorescent-lateral-flow-immunochromatographic-strips
#2
Yafei Hou, Kan Wang, Kun Xiao, Weijian Qin, Wenting Lu, Wei Tao, Daxiang Cui
Nowadays, lateral flow immunochromatographic assays are increasingly popular as a diagnostic tool for point-of-care (POC) test based on their simplicity, specificity, and sensitivity. Hence, quantitative detection and pluralistic popular application are urgently needed in medical examination. In this study, a smartphone-based dual-modality imaging system was developed for quantitative detection of color or fluorescent lateral flow test strips, which can be operated anywhere at any time. In this system, the white and ultra-violet (UV) light of optical device was designed, which was tunable with different strips, and the Sobel operator algorithm was used in the software, which could enhance the identification ability to recognize the test area from the background boundary information...
December 2017: Nanoscale Research Letters
https://www.readbyqxmd.com/read/28437490/the-diagnosis-and-initial-treatment-of-patellofemoral-disorders
#3
Alan C Merchant, John P Fulkerson, Wayne Leadbetter
Our purpose is to provide simple guidelines for the diagnosis and early care of patellofemoral disorders. Any clinician who treats knee problems, including family practitioners, rheumatologists, orthopedic surgeons, or physical therapists, must know how to make the correct diagnosis, or at least a presumptive diagnosis, at the initial visit. This can avoid unneeded and costly tests, ineffective treatment, and even damaging exercises and unnecessary surgery. The diagnosis of patellofemoral disorders is confusing because they can have many causes...
March 2017: American Journal of Orthopedics
https://www.readbyqxmd.com/read/28437264/magnesium-sulphate-improves-pulmonary-function-after-video-assisted-thoracoscopic-surgery-a-randomised-double-blind-placebo-controlled-study
#4
Hye-Min Sohn, Sang-Hoon Jheon, Sunwoo Nam, Sang-Hwan Do
BACKGROUND: Reduced lung volumes are unavoidable after lung resection surgery. Magnesium sulphate (MgSO4) administration has been reported to reduce the requirement for neuromuscular blocking drugs and postoperative analgesics in surgical patients. OBJECTIVE: To investigate the effect of MgSO4 on pulmonary function after video-assisted thoracoscopic surgery (VATS). DESIGN: A randomised, double-blind, placebo-controlled trial. SETTING: A university tertiary care centre...
April 21, 2017: European Journal of Anaesthesiology
https://www.readbyqxmd.com/read/28436334/acute-hiv-infection-advances-in-mechanisms-and-prophylactic-therapeutic-management
#5
Muhammad Imran Qadir, Amman Abid
Human infection by HIV is spreading rapidly. The spread of the virus is generally organized and transmission can be rectal, oral, or penile. Several types of cells are susceptible to viral invasion. The appearance of symptoms during infection can vary, but the presence of the virus can be confirmed by testing for the antigen p24. The ELISA test is used to detect viral p24 antigen and antiviral antibodies. This technique is approved for the purposes of clinical practice. Highly active antiretroviral therapy is usually a costly and lengthy treatment for HIV infection...
2017: Critical Reviews in Eukaryotic Gene Expression
https://www.readbyqxmd.com/read/28435491/agreement-between-serum-assays-performed-in-ed-point-of-care-and-hospital-central-laboratories
#6
Meir Dashevsky, Steven L Bernstein, Carol L Barsky, Richard A Taylor
INTRODUCTION: Point-of-care (POC) testing allows for more time-sensitive diagnosis and treatment in the emergency department (ED) than sending blood samples to the hospital central laboratory (CL). However, many ED patients have blood sent to both, either out of clinical custom, or because clinicians do not trust the POC values. The objective of this study was to examine the level of agreement between POC and CL values in a large cohort of ED patients. METHODS: In an urban, Level I ED that sees approximately 120,000 patients/year, all patients seen between March 1, 2013, and October 1, 2014, who had blood sent to POC and CL labs had levels of agreement measured between serum sodium, potassium, blood urea nitrogen (BUN), creatinine, and hematocrit...
April 2017: Western Journal of Emergency Medicine
https://www.readbyqxmd.com/read/28435343/london-measure-of-unplanned-pregnancy-guidance-for-its-use-as-an-outcome-measure
#7
Jennifer A Hall, Geraldine Barrett, Andrew Copas, Judith Stephenson
BACKGROUND: The London Measure of Unplanned Pregnancy (LMUP) is a psychometrically validated measure of the degree of intention of a current or recent pregnancy. The LMUP is increasingly being used worldwide, and can be used to evaluate family planning or preconception care programs. However, beyond recommending the use of the full LMUP scale, there is no published guidance on how to use the LMUP as an outcome measure. Ordinal logistic regression has been recommended informally, but studies published to date have all used binary logistic regression and dichotomized the scale at different cut points...
2017: Patient related Outcome Measures
https://www.readbyqxmd.com/read/28434459/becoming-parent-and-nurse-high-fidelity-simulation-in-teaching-ambulatory-central-line-infection-prevention-to-parents-of-children-with-cancer
#8
Carol E Heiser Rosenberg, Mary F Terhaar, Judith A Ascenzi, Anna Walbert, K Michelle Kokoszka, Julianne S Perretta, Marlene R Miller
BACKGROUND: Ambulatory central-line infections in children with cancer are life-threatening. Infections are two to three times more frequent in outpatients than inpatients, for whom evidence-based bundles have decreased morbidity. Most cancer care now takes place at home, where parents perform many of the same tasks as nurses. However, parents often feel stressed and unprepared. To address this, high-fidelity simulation, which has been effective for teaching novice nurses, was evaluated for parent central-line education...
May 2017: Joint Commission Journal on Quality and Patient Safety
https://www.readbyqxmd.com/read/28433846/factors-associated-with-postoperative-complications-in-hydrocephalic-infants-diagnosed-at-bernard-mevs-hospital-in-port-au-prince-haiti-from-2011-to-2013
#9
Floreine-Jemima Joseph, Joseph Bernard, Sylvio Augustin
OBJECTIVE: Complications worsen the prognosis of hydrocephalic children who undergo surgery. The main objective of this study was to determine factors associated with postoperative complications in Haitian hydrocephalic infants. METHODS: This is a cross-sectional study conducted on hydrocephalic infants diagnosed in a Haitian hospital from 2011 to 2013. Records were consulted to gather key variables that were evaluated in relation to the occurrence of postoperative complications...
April 19, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28433383/screening-for-chronic-kidney-disease-in-canadian-indigenous-peoples-is-cost-effective
#10
Thomas W Ferguson, Navdeep Tangri, Zhi Tan, Matthew T James, Barry D A Lavallee, Caroline D Chartrand, Lorraine L McLeod, Allison B Dart, Claudio Rigatto, Paul V J Komenda
Canadian indigenous (First Nations) have rates of kidney failure that are 2- to 4-fold higher than the non-indigenous general Canadian population. As such, a strategy of targeted screening and treatment for CKD may be cost-effective in this population. Our objective was to assess the cost utility of screening and subsequent treatment for CKD in rural Canadian indigenous adults by both estimated glomerular filtration rate and the urine albumin-to-creatinine ratio. A decision analytic Markov model was constructed comparing the screening and treatment strategy to usual care...
April 19, 2017: Kidney International
https://www.readbyqxmd.com/read/28433235/-stone-free-rate-assesment-after-percutaneous-nephrolithotomy-using-nephrolitometric-nomogram
#11
Jason Damián Landa-Salas, Juan Ramón Torres-Anguiano, Efraín Maldonado-Alcaraz, Virgilio Augusto Lopez-Samano, Eduardo Alonso Serrano-Brambila, Jorge Moreno-Palacios
BACKGROUND: Percutaneous nephrolithotomy remains the standard of care for kidney stones larger than 2cm. Therefore, setting a prognosis for complete stone resolution through this method is essential. The prognostic tools available have limited prediction. OBJECTIVES: To evaluate the stone-free rate in patients undergoing percutaneous nephrolithotomy with the Clinical Research Office of the Endourological Society nomogram and suggest modifications to improve the classification...
April 19, 2017: Cirugia y Cirujanos
https://www.readbyqxmd.com/read/28433054/technical-aspects-and-challenges-of-colorimetric-detection-with-microfluidic-paper-based-analytical-devices-%C3%AE-pads-a-review
#12
REVIEW
Giorgio Gianini Morbioli, Thiago Mazzu-Nascimento, Amanda M Stockton, Emanuel Carrilho
Paper-based devices are a leading alternative among the main analytical tools for point-of-care testing, due to their portability, low-cost, and ease-of-use. Colorimetric readouts are the most common method of detection in these microfluidic devices, enabling qualitative, semi-quantitative and fully quantitative analysis of multiple analytes. There is a multitude of ways to obtain a colorimetric output in such devices, including nanoparticles, dyes, redox and pH indicators, and each has unique drawbacks and benefits...
June 1, 2017: Analytica Chimica Acta
https://www.readbyqxmd.com/read/28431642/pcr-based-detection-methods-for-single-nucleotide-polymorphism-or-mutation-real-time-pcr-and-its-substantial-contribution-toward-technological-refinement
#13
Kazuyuki Matsuda
Single-nucleotide polymorphisms (SNPs) and single-nucleotide mutations result from the substitution of only a single base. The SNP or mutation can be relevant to disease susceptibility, pathogenesis of disease, and efficacy of specific drugs. It is important to detect SNPs or mutations clinically. Methods to distinguish/detect SNPs or mutations should be highly specific and sensitive. In this regard, polymerase chain reaction (PCR) has provided the necessary analytical performance for many molecular analyses...
2017: Advances in Clinical Chemistry
https://www.readbyqxmd.com/read/28431640/rapid-assessment-of-drugs-of-abuse
#14
Joesph R Wiencek, Jennifer M Colby, James H Nichols
Laboratory testing for drugs of abuse has become standard practice in many settings both forensic and clinical. Urine is the predominant specimen, but other specimens are possible including hair, nails, sweat, and oral fluid. Point-of-care test kits provide for rapid analysis at the site where specimens are collected allowing for immediate action on the results. POCT is based on immunochromatography where the drug in the patient's sample competes with drug and antibody conjugates in the test to develop or block the development of a colored line...
2017: Advances in Clinical Chemistry
https://www.readbyqxmd.com/read/28430889/accuracy-of-diagnostic-tests-for-schistosoma-mansoni-infection-in-asymptomatic-eritrean-refugees-serology-and-poc-cca-against-stool-microscopy
#15
Afona Chernet, Kerstin Kling, Véronique Sydow, Esther Kuenzli, Christoph Hatz, Jürg Utzinger, Lisette van Lieshout, Hanspeter Marti, Niklaus D Labhardt, Andreas Neumayr
Background: The unprecedented increase in number of African refugees arriving in Europe is confronting clinicians and general practitioners with the question of whether or not and how to screen migrants from endemic regions for Schistosoma mansoni infection. Methods: We assessed the accuracy of three different diagnostic tests for S.mansoni infection (stool microscopy [samples prepared by sedimentation technique], serology, and point-of-care circulating cathodic antigen [POC-CCA] urine cassette test) in 107 newly arrived asymptomatic Eritrean refugees in Switzerland...
April 19, 2017: Clinical Infectious Diseases: An Official Publication of the Infectious Diseases Society of America
https://www.readbyqxmd.com/read/28428753/a-clinical-perspective-of-anti-fibrotic-therapies-for-cardiovascular-disease
#16
REVIEW
Lu Fang, Andrew J Murphy, Anthony M Dart
Cardiac fibrosis are central to various cardiovascular diseases. Research on the mechanisms and therapeutic targets for cardiac fibrosis has advanced greatly in recent years. However, while many anti-fibrotic treatments have been studied in animal models and seem promising, translation of experimental findings into human patients has been rather limited. Thus, several potential new treatments which have shown to reduce cardiac fibrosis in animal models have either not been tested in humans or proved to be disappointing in clinical trials...
2017: Frontiers in Pharmacology
https://www.readbyqxmd.com/read/28428187/zambian-peer-educators-for-hiv-self-testing-zest-study-rationale-and-design-of-a-cluster-randomised-trial-of-hiv-self-testing-among-female-sex-workers-in-zambia
#17
Catherine E Oldenburg, Katrina F Ortblad, Michael M Chanda, Kalasa Mwanda, Wendy Nicodemus, Rebecca Sikaundi, Andrew Fullem, Leah G Barresi, Guy Harling, Till Bärnighausen
BACKGROUND: HIV testing and knowledge of status are starting points for HIV treatment and prevention interventions. Among female sex workers (FSWs), HIV testing and status knowledge remain far from universal. HIV self-testing (HIVST) is an alternative to existing testing services for FSWs, but little evidence exists how it can be effectively and safely implemented. Here, we describe the rationale and design of a cluster randomised trial designed to inform implementation and scale-up of HIVST programmes for FSWs in Zambia...
April 20, 2017: BMJ Open
https://www.readbyqxmd.com/read/28426811/procalcitonin-for-selecting-the-antibiotic-regimen-in-outpatients-with-low-risk-community-acquired-pneumonia-using-a-rapid-point-of-care-testing-a-single-arm-clinical-trial
#18
Mar Masiá, Sergio Padilla, Victoria Ortiz de la Tabla, Matilde González, Cristina Bas, Félix Gutiérrez
OBJECTIVE: We aimed to assess the role of procalcitonin (PCT) to guide the initial selection of the antibiotic regimen for low-risk community-acquired pneumonia (CAP). METHODS: A single-arm clinical trial was conducted including outpatients with CAP and Pneumonia Severity Index risk classes I-II. Antimicrobial selection was based on the results of PCT measured with a rapid point-of-care testing. According to serum PCT levels, patients were assigned to two treatment strategies: oral azithromycin if PCT was <0...
2017: PloS One
https://www.readbyqxmd.com/read/28424052/using-implementation-facilitation-to-foster-clinical-practice-quality-and-adherence-to-evidence-in-challenged-settings-a-qualitative-study
#19
Mona J Ritchie, Louise E Parker, Carrie N Edlund, JoAnn E Kirchner
BACKGROUND: We evaluated a facilitation strategy to help clinical sites likely to experience challenges implement evidence-based Primary Care-Mental Health Integration (PC-MHI) care models within the context of a Department of Veterans Affairs (VA) initiative. This article describes our assessment of whether implementation facilitation (IF) can foster development of high quality PC-MHI programs that adhere to evidence, are sustainable and likely to improve clinical practices and outcomes...
April 20, 2017: BMC Health Services Research
https://www.readbyqxmd.com/read/28422968/the-impact-of-a-point-of-care-testing-device-on-cvd-risk-assessment-completion-in-new-zealand-primary-care-practice-a-cluster-randomised-controlled-trial-and-qualitative-investigation
#20
RANDOMIZED CONTROLLED TRIAL
Sue Wells, Natasha Rafter, Timothy Kenealy, Geoff Herd, Kyle Eggleton, Rose Lightfoot, Kim Arcus, Angela Wadham, Yannan Jiang, Chris Bullen
OBJECTIVES: To assess the effect of a point of care (POC) device for testing lipids and HbA1c in addition to testing by community laboratory facilities (usual practice) on the completion of cardiovascular disease (CVD) risk assessments in general practice. METHODS: We conducted a pragmatic, cluster randomised controlled trial in 20 New Zealand general practices stratified by size and rurality and randomised to POC device plus usual practice or usual practice alone (controls)...
2017: PloS One
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