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https://www.readbyqxmd.com/read/28429554/is-there-a-practical-role-for-bone-biopsy-in-chronic-kidney-disease
#1
Terrence Diamond, Grahame J Elder
Bone biopsy is currently the only means to accurately assess renal osteodystrophy and responses to therapeutic interventions. With sedation, the technique is relatively painless, and complications are uncommon. Bone biopsy should be considered when the aetiology of symptoms or biochemical abnormalities is in question, and results may lead to changes in therapy. Although it remains prudent to use antiresorptive drugs cautiously in patients with chronic kidney disease (CKD) stages 3a-4 and low bone mineral density, bone biopsy may not be warranted before commencing therapy in these patients...
March 2017: Nephrology
https://www.readbyqxmd.com/read/28422588/alterations-in-redox-homeostasis-during-recovery-from-unexplained-underperformance-syndrome-in-an-elite-international-rower
#2
Nathan A Lewis, Ann Redgrave, Mark Homer, Richard Burden, Wendy Martinson, Brian Moore, Charles R Pedlar
PURPOSE: This case study of an international rower examines a diagnosis of Unexplained Under Performance Syndrome (UUPS or Overtraining Syndrome) describing a full recovery and return to elite competition the same year. METHODS: On diagnosis and 4 and 14 months post-diagnosis, detailed assessments including physiological, nutritional, and biomarkers were made. RESULTS: Clinical examination and laboratory results for haematology, biochemistry, thyroid function, immunology, vitamins and minerals were unremarkable and did not explain the presentation and diagnosis...
April 19, 2017: International Journal of Sports Physiology and Performance
https://www.readbyqxmd.com/read/28414907/cell-isolation-and-recovery-using-hollow-glass-microspheres-coated-with-nanolayered-films-for-applications-in-resource-limited-settings
#3
Ziye Dong, Caroline C Ahrens, Dan Yu, Zhenya Ding, HyunTaek Lim, Wei Li
Established cell isolation and purification techniques such as FACS, isolation through magnetic micro/nano-particles and recovery via microfluidic devices have limited application as disposable technologies appropriate for point-of-care use in remote areas where lab equipment as well as electrical, magnetic, and optical sources are restricted. We report a simple yet effective method for cell isolation and recovery that requires neither specialized lab equipment nor any form of power source. Specifically, self-floating hollow glass microspheres were coated with an enzymatically degradable nanolayered film, and conjugated with antibodies to allow both fast capture and release of subpopulations of cells from a cell mixture...
April 17, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28414327/a-novel-antibody-against-cancer-stem-cell-biomarker-dclk1-s-is-potentially-useful-for-assessing-colon-cancer-risk-after-screening-colonoscopy
#4
Shubhashish Sarkar, Vsevolod L Popov, Malaney R O'Connell, Heather L Stevenson, Brian S Lee, Robert A Obeid, Gurinder K Luthra, Pomila Singh
DCLK1 expression is critically required for maintaining growth of human colon cancer cells (hCCCs). Human colorectal tumors (CRCs) and hCCCs express a novel short isoform of DCLK1 (DCLK1-S; isoform 2) from β-promoter of hDCLK1 gene, while normal colons express long isoform (DCLK1-L; isoform 1) from 5'(α)-promoter, suggesting that DCLK1-S, and not DCLK1-L, marks cancer stem cells (CSCs). Even though DCLK1-S differs from DCLK1-L by only six amino acids, we succeeded in generating a monospecific DCLK1-S-Antibody (PS41014), which does not cross-react with DCLK1-L, and specifically detects CSCs...
April 17, 2017: Laboratory Investigation; a Journal of Technical Methods and Pathology
https://www.readbyqxmd.com/read/28414101/autophagy-in-hemorrhagic-stroke-mechanisms-and-clinical-implications
#5
REVIEW
Haiying Li, Jiang Wu, Haitao Shen, Xiyang Yao, Chenglin Liu, S Pianta, J Han, C V Borlongan, Gang Chen
Accumulating evidence advances the critical role of autophagy in brain pathology after stroke. Investigations employing autophagy induction or inhibition using pharmacological tools or autophagy-related gene knockout mice have recently revealed the biological significance of intact and functional autophagy in stroke. Most of the reported cases attest to a pro-survival role for autophagy in stroke, by facilitating removal of damaged proteins and organelles, which can be recycled for energy generation and cellular defenses...
April 13, 2017: Progress in Neurobiology
https://www.readbyqxmd.com/read/28410000/properties-of-porcine-adipose-derived-stem-cells-and-their-applications-in-preclinical-models
#6
Julien H Arrizabalaga, Matthias U Nollert
Adipose-derived stem cells represent a reliable adult stem cell source thanks to their abundance, straightforward isolation, and broad differentiation abilities. Consequently, human adipose-derived stem cells (hASCs) have been used in vitro for several innovative cellular therapy and regenerative medicine applications. However, the translation of a novel technology from the laboratory to the clinic requires first to evaluate its safety, feasibility, and potential efficacy through preclinical studies in animals...
March 30, 2017: Adipocyte
https://www.readbyqxmd.com/read/28397167/a-simple-in-situ-preconcentration-method-for-the-simultaneous-determination-of-major-and-minor-alkali-and-alkaline-earth-metals-in-natural-waters-using-iminodiacetate-grafted-fiber
#7
Fyodor S Kot, Kunio Fujiwara, Malik Kochva
A simple and effective procedure was developed for the simultaneous in situ preconcentration of major and minor alkali and alkaline-earth metals (Li, Na, K, Rb, Mg, Ca, Sr, and Ba) from natural waters with iminodiacetate-grafted fiber (IDA-fiber), using soil water extracts as an example. The method was verified on mixed standard solutions of the metals at concentrations and ionic strengths reported for regular soil solutions. When complemented with routine microfiltration procedures, the method could distinguish between the dissolved in hydrated ion form and bound fractions of these metals, presumably colloidal and firmly complexed...
April 10, 2017: Analytical and Bioanalytical Chemistry
https://www.readbyqxmd.com/read/28392741/policies-and-practices-in-haemostasis-testing-among-laboratories-in-croatia-a-survey-on-behalf-of-a-working-group-for-laboratory-coagulation-of-the-croatian-society-of-medical-biochemistry-and-laboratory-medicine
#8
Ana Bronić, Desiree Coen Herak, Sandra Margetić, Marija Milić
INTRODUCTION: The objective of this survey was to assess current policies and practice in haemostasis testing among both hospital and outpatient laboratories in Republic of Croatia. MATERIALS AND METHODS: A questionnaire with seventy questions divided into nine sections was created in May 2015. Participants were asked about their practice related to test request form, sample collection, prothrombin time (PT) and activated partial thromboplastin time assays, other individual haemostasis assays, point-of-care testing (POCT), reporting of coagulation tests results and quality assurance of procedures, the personnel and other laboratory resources, as well as on issues related to education and implementation of additional coagulation assays in their laboratory...
February 15, 2017: Biochemia Medica: časopis Hrvatskoga Društva Medicinskih Biokemičara
https://www.readbyqxmd.com/read/28392738/the-role-of-laboratory-testing-in-detection-and-classification-of-chronic-kidney-disease-national-recommendations
#9
REVIEW
Vanja Radišić Biljak, Lorena Honović, Jasminka Matica, Branka Krešić, Sanela Šimić Vojak
Chronic kidney disease (CKD) is a common clinical condition with significant adverse consequences for the patient and it is recognized as a significant public health problem. The role of laboratory medicine in diagnosis and management of CKD is of great importance: the diagnosis and staging are based on estimation of glomerular filtration rate (eGFR) and assessment of albuminuria (or proteinuria). Therefore, the joint working group of the Croatian society of medical biochemistry and laboratory medicine and Croatian chamber of medical biochemists for laboratory diagnostics in CKD issued this national recommendation regarding laboratory diagnostics of CKD...
February 15, 2017: Biochemia Medica: časopis Hrvatskoga Društva Medicinskih Biokemičara
https://www.readbyqxmd.com/read/28392733/implementing-a-regional-integrated-laboratory-proficiency-testing-scheme-for-peripheral-health-facilities-in-east-africa
#10
Stephen Munene, Jackson Songok, Dennis Munene, Jane Carter
INTRODUCTION: Regular participation in external quality assessment (EQA) is critical for maintaining laboratory performance and is required for laboratory accreditation. Proficiency testing (PT) is effective for providing EQA, but available schemes rarely address the range of tests performed by peripheral laboratories in resource-limited settings. The East African Regional External Quality Assessment Scheme (EA-REQAS) was established in 2004 to address this need. MATERIALS AND METHODS: Surveys were distributed biannually comprising seven different panel materials and questions addressing laboratory, clinical and public health topics...
February 15, 2017: Biochemia Medica: časopis Hrvatskoga Društva Medicinskih Biokemičara
https://www.readbyqxmd.com/read/28392732/external-quality-assessment-in-resource-limited-countries
#11
Jane Y Carter
INTRODUCTION: Health laboratory services are a critical component of national health systems but face major operational challenges in resource-limited (RL) settings. New funding for health systems strengthening in RL countries has increased the demand for diagnostics and provided opportunities to address these constraints. An approach to sustainably strengthen national laboratory systems in sub-Saharan African countries is the Strengthening Laboratory Management Toward Accreditation (SLMTA) programme...
February 15, 2017: Biochemia Medica: časopis Hrvatskoga Društva Medicinskih Biokemičara
https://www.readbyqxmd.com/read/28390911/critical-limb-ischemia-secondary-to-antiphospholipid-syndrome-in-a-pediatric-patient-case-report-and-review
#12
Andrew J Soo Hoo, Joseph M White, Paul W White
A pediatric patient with critical limb ischemia secondary to antiphospholipid syndrome (APS) is reported. A 14-year-old male underwent extensive evaluation for worsening right lower extremity pain and ulcerative lesions of his right foot. He was discovered to have proximal occlusion of the superficial femoral artery (SFA), the distal popliteal artery, the anterior tibial artery at the mid-calf, and the posterior tibial artery at the ankle. Laboratory analysis revealed a diagnosis of APS, and he underwent a common femoral artery to above-knee-popliteal artery bypass with reversed greater saphenous graft...
April 5, 2017: Annals of Vascular Surgery
https://www.readbyqxmd.com/read/28390779/total-laboratory-automation-do-stat-tests-still-matter
#13
REVIEW
Alberto Dolci, Davide Giavarina, Sara Pasqualetti, Dominika Szőke, Mauro Panteghini
During the past decades the healthcare systems have rapidly changed and today hospital care is primarily advocated for critical patients and acute treatments, for which laboratory test results are crucial and need to be always reported in predictably short turnaround time (TAT). Laboratories in the hospital setting can face this challenge by changing their organization from a compartmentalized laboratory department toward a decision making-based laboratory department. This requires the implementation of a core laboratory, that exploits total laboratory automation (TLA) using technological innovation in analytical platforms, track systems and information technology, including middleware, and a number of satellite specialized laboratory sections cooperating with care teams for specific medical conditions...
April 5, 2017: Clinical Biochemistry
https://www.readbyqxmd.com/read/28387692/the-role-of-sensory-augmentation-for-people-with-vestibular-deficits-real-time-balance-aid-and-or-rehabilitation-device
#14
K H Sienko, S L Whitney, W J Carender, C Wall
This narrative review highlights findings from the sensory augmentation field for people with vestibular deficits and addresses the outstanding questions that are critical to the translation of this technology into clinical and/or personal use. Prior research has demonstrated that the real-time use of visual, vibrotactile, auditory, and multimodal sensory augmentation technologies can improve balance during static and dynamic stance tasks within a laboratory setting. However, its application in improving gait requires additional investigation, as does its efficacy as a rehabilitation device for people with vestibular deficits...
2017: Journal of Vestibular Research: Equilibrium & Orientation
https://www.readbyqxmd.com/read/28386054/acute-myocardial-infarction-due-to-coronary-artery-embolism-in-a-22-year-old-woman-with-mitral-stenosis-with-atrial-fibrillation-under-warfarinization-successful-management-with-anticoagulation
#15
Santosh Kumar Sinha, Mukesh Jitendra Jha, Mahmadula Razi, Vikash Chaturvedi, Yatish Besthenahalli Erappa, Shravan Singh, Vikas Mishra, Dibbendhu Khanra, Karandeep Singh
BACKGROUND Coronary artery embolization is an exceedingly rare cause of myocardial infarction, but a few cases in association with prosthetic mechanical valves have been reported. We report a case of embolic myocardial infarction caused by a thrombus in the left atrium with deranged coagulation profile in a patient with critical mitral stenosis under warfarinization. CASE REPORT A 22-year-old woman was taken to the catheterization lab for early coronary intervention in lieu of non-ST elevation myocardial infarction...
April 7, 2017: American Journal of Case Reports
https://www.readbyqxmd.com/read/28384854/cost-effective-printing-of-laboratory-reports-biochemist-s-and-physician-s-debate-and-institutions-dilemma
#16
Arun Kumar Harith, Anil Kumar Avs, Sangeetha Sampath
INTRODUCTION: Laboratory investigations account for significant percentage of healthcare expenses. Every hospital and laboratory especially in the government sector wants to cut down the expenses on reports and offer inferior printouts of reports. The debate of printing attractive reports (clientele aspiration) Vs costs cutting (managerial issues) continues. It becomes the moral responsibility of doctors to guide the management into implementing an effective and economical option of report transcription...
February 2017: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28384035/finding-outbreaks-faster
#17
Mark S Smolinski, Adam W Crawley, Jennifer M Olsen
Rapid detection, reporting, and response to an infectious disease outbreak are critical to prevent localized health events from emerging as pandemic threats. Metrics to evaluate the timeliness of these critical activities, however, are lacking. Easily understood and comparable measures for tracking progress and encouraging investment in rapid detection, reporting, and response are sorely needed. We propose that the timeliness of outbreak detection, reporting, laboratory confirmation, response, and public communication should be considered as measures for improving global health security at the national level, allowing countries to track progress over time and inform investments in disease surveillance...
March 2017: Health Security
https://www.readbyqxmd.com/read/28377836/scientific-publication-performance-of-turkish-anaesthesia-clinics-in-high-impact-factor-international-journals-between-2005-and-2014-a-bibliometric-analysis
#18
Hüseyin Oğuz Yılmaz, Rovnat Babazade, Oğuz Alp Turan, Betül Babazade, Onur Koyuncu, Alparslan Turan
OBJECTIVE: International scientific publication productivity is a tangible indicator for the accuracy of scientific policies. The quality of scientific publications is not increasing despite the fast increase in the publication count in Turkey. The international publication activities of Turkish anaesthesia clinics have not been previously explored. Thus, we aimed to evaluate the high quality scientific productivity of Turkish anesthesia clinics within the last 10 years. METHODS: We searched for studies conducted by anaesthesiologists in Turkey within the last 10 years and published in journals listed under the medical subject categories of anaesthesiology and critical care using 'Thomson Reuters InCites' and PubMed databases...
February 2017: Turkish Journal of Anaesthesiology and Reanimation
https://www.readbyqxmd.com/read/28375823/development-and-validation-of-a-highly-sensitive-real-time-pcr-assay-for-rapid-detection-of-parapoxviruses
#19
Amaresh Das, Gordon Ward, Andre Lowe, Lizhe Xu, Karen Moran, Randall Renshaw, Edward Dubovi, Monica Reising, Wei Jia
Parapoxviruses (PaPVs) cause widespread infections in ruminants worldwide. All PaPVs are zoonotic and may infect humans after direct or indirect contact with infected animals. Herein we report the development and validation of a highly sensitive real-time PCR assay for rapid detection of PaPVs. The new assay (referred to as the RVSS assay) was specific for PaPVs only and had no cross-reactivity against other pox viruses. Using a recombinant plasmid as positive control, the analytical sensitivity of the assay was determined to be 16 genome copies of PaPV per assay...
December 1, 2016: Journal of Veterinary Diagnostic Investigation
https://www.readbyqxmd.com/read/28371931/critical-value-reporting-in-transfusion-medicine-a-survey-of-communication-practices-in-us-facilities
#20
Erika M Reese, Randin C Nelson, Willy A Flegel, Karen M Byrne, Garrett S Booth
Objectives: While critical value procedures have been adopted in most areas of the clinical laboratory, their use in transfusion medicine has not been reviewed in detail. The results of this study present a comprehensive overview of critical value reporting and communication practices in transfusion medicine in the United States. Methods: A web-based survey was developed to collect data on the prevalence of critical value procedures and practices of communicating results...
March 21, 2017: American Journal of Clinical Pathology
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