keyword
MENU ▼
Read by QxMD icon Read
search

No reason

keyword
https://www.readbyqxmd.com/read/28445849/a-reference-measurement-procedure-for-amino-acids-in-blood-using-isotope-dilution-ultra-performance-liquid-chromatography-tandem-mass-spectrometry
#1
Juok Kim, Tran Thi Thanh Huong, Seon-Pyo Hong, Ji-Seon Jeong
We described a reference measurement procedure for amino acid (AA) quantification in blood samples based on deproteinization with 5-sulfosalicylic acid (SSA) and an isotope dilution-ultra performance liquid chromatography-tandem mass spectrometry (LC-MS) method. The serum was deproteinized with 15% v/v SSA and the supernatant was injected directly into the LC-MS system without further processing. Compared with the use of other precipitants and water as a control, five model AAs-valine, isoleucine, leucine, tyrosine, and phenylalanine-in the SSA-treated samples showed ionization enhancement as well as stable background signals without significant ion suppression effects...
April 17, 2017: Journal of Chromatography. B, Analytical Technologies in the Biomedical and Life Sciences
https://www.readbyqxmd.com/read/28445769/evidence-for-mast-cell-mediated-zinc-homeostasis-increased-labile-zinc-in-the-hippocampus-of-mast-cell-deficient-mice
#2
Rachel H Kennedy, Amen Wiqas, James P Curley
The dentate gyrus of the hippocampus is a site of adult neurogenesis, and is also known to contain one of the highest concentrations of labile brain zinc (Zn), thought to aid in learning and memory by supporting neurogenesis. At the same time, it is known that unbound Zn, when present at excessive levels, decreases the formation of new neurons. Since mast cells contain Zn transporters capable of moving this essential element across their plasma membrane, as well as Zn-rich granules that are dispelled upon secretion, we reasoned that mast cells contribute to Zn homeostasis in this area of the brain, as they are found in greatest numbers in and around the dentate gyrus...
April 23, 2017: Neuroscience Letters
https://www.readbyqxmd.com/read/28445186/the-hip-fracture-patient-on-warfarin-evaluating-blood-loss-and-time-to-surgery
#3
Matthew R Cohn, Ashley E Levack, Nikunj N Trivedi, Jordan C Villa, David S Wellman, John P Lyden, Dean G Lorich, Joseph M Lane
OBJECTIVES: To compare blood loss, delay of surgery, and short term adverse events in (1) patients admitted on warfarin versus non-anticoagulated controls and (2) warfarin patients with day of surgery (DOS) INR of 1.5 or greater versus below 1.5. DESIGN: Retrospective cohort. SETTING: Academic level I trauma center. PATIENTS/PARTICIPANTS: One hundred twenty four patients treated surgically for hip fractures including patients presenting on warfarin (n=62) and matched controls (n=62)...
April 24, 2017: Journal of Orthopaedic Trauma
https://www.readbyqxmd.com/read/28444634/watching-diagnoses-develop-eye-movements-reveal-symptom-processing-during-diagnostic-reasoning
#4
Agnes Scholz, Josef F Krems, Georg Jahn
Finding a probable explanation for observed symptoms is a highly complex task that draws on information retrieval from memory. Recent research suggests that observed symptoms are interpreted in a way that maximizes coherence for a single likely explanation. This becomes particularly clear if symptom sequences support more than one explanation. However, there are no existing process data available that allow coherence maximization to be traced in ambiguous diagnostic situations, where critical information has to be retrieved from memory...
April 25, 2017: Psychonomic Bulletin & Review
https://www.readbyqxmd.com/read/28444430/successful-treatment-of-a%C3%A2-rare-case-of-ameloblastic-fibrosarcoma-with-radiation-therapy
#5
Michael Oertel, Gabriele Reinartz, Sergiu Scobioala, Hans Theodor Eich
Sarcomas are rare diseases of the head and neck region, representing around 1% of all malignancies. Amongst them, ameloblastic fibrosarcoma (AFS) is of even greater rarity, with less than 100 cases reported in the literature. Consequently, no standard treatment or guidelines have been made available. Surgery is often performed as primary therapy, but may be limited due to anatomical or functional reasons. We present a case of AFS successfully treated by postoperative radiation therapy. A detailed case study is provided, followed by a review of the English-language literature focusing on the role of radiation therapy...
April 25, 2017: Strahlentherapie und Onkologie: Organ der Deutschen Röntgengesellschaft ... [et Al]
https://www.readbyqxmd.com/read/28444245/can-a-community-of-practice-improve-physical-therapists-self-perceived-practice-in-developmental-coordination-disorder
#6
Chantal Camden, Lisa M Rivard, Karen Hurtubise, Léa Héguy, Jade Berbari
Background: Communities of practice (CoP ) are useful knowledge translation (KT) strategies but little is known about their impact on physical therapists' (PTs) self-perceived practice. Purpose: We evaluated the impact of a CoP on PTs' self-perceived practice, and explored factors influencing changes in self-perceived knowledge, skills, and practice related to developmental coordination disorder (DCD). Design: We used an explanatory sequential mixed-methods design, guided by The Theory of Reasoned Action and Theory of Planned Behavior...
April 21, 2017: Physical Therapy
https://www.readbyqxmd.com/read/28443565/influenza-and-pneumonia-vaccination-rates-and-factors-affecting-vaccination-among-patients-with-chronic-obstructive-pulmonary-disease
#7
Ülkü Aka Aktürk, Aslı Görek Dilektaşlı, Aysun Şengül, Banu Musaffa Salepçi, Nuray Oktay, Mustafa Düger, Hale Arık Taşyıkan, Nagihan Durmuş Koçak
BACKGROUND: Influenza and pneumococcal vaccinations are recommended in COPD patients to decrease associated risks at all stages. Although the prevalence of COPD is high in our country, as previously reported vaccination rates are low. AIMS: To assess the vaccination rates of COPD patients and factors that may affect these. STUDY DESIGN: Multi-center cross-sectional study. RESULTS: The average age of the 296 included patients was 66...
April 6, 2017: Balkan Medical Journal
https://www.readbyqxmd.com/read/28443389/neuroscience-intermediate-level-care-units-staffed-by-intensivists-clinical-outcomes-and-cost-analysis
#8
Kwadwo Kyeremanteng, Ariel Hendin, Kalpana Bhardwaj, Kednapa Thavorn, Dave Neilipovitz, Dalibour Kubelik, Gianni D'Egidio, Grant Stotts, Erin Rosenberg
INTRODUCTION: With an aging population and increasing numbers of intensive care unit admissions, novel ways of providing quality care at reduced cost are required. Closed neurointensive care units improve outcomes for patients with critical neurological conditions, including decreased mortality and length of stay (LOS). Small studies have demonstrated the safety of intermediate-level units for selected patient populations. However, few studies analyze both cost and safety outcomes of these units...
January 1, 2017: Journal of Intensive Care Medicine
https://www.readbyqxmd.com/read/28443174/clinical-and-radiological-outcomes-after-microscopic-bilateral-decompression-via-a-unilateral-approach-for-degenerative-lumbar-disease-minimum-5-year-follow-up
#9
Sho Dohzono, Hiromitsu Toyoda, Akira Matsumura, Hidetomi Terai, Akinobu Suzuki, Hiroaki Nakamura
STUDY DESIGN: A retrospective study. PURPOSE: To assess postoperative bone regrowth at surgical sites after lumbar decompression with >5 years of follow-up. Postoperative preservation of facet joints and segmental spinal instability following surgery were also evaluated. OVERVIEW OF LITERATURE: Previous reports have documented bone regrowth after conventional laminectomy or laminotomy and several factors associated with new bone formation...
April 2017: Asian Spine Journal
https://www.readbyqxmd.com/read/28443044/are-psychology-journals-anti-replication-a-snapshot-of-editorial-practices
#10
G N Martin, Richard M Clarke
Recent research in psychology has highlighted a number of replication problems in the discipline, with publication bias - the preference for publishing original and positive results, and a resistance to publishing negative results and replications- identified as one reason for replication failure. However, little empirical research exists to demonstrate that journals explicitly refuse to publish replications. We reviewed the instructions to authors and the published aims of 1151 psychology journals and examined whether they indicated that replications were permitted and accepted...
2017: Frontiers in Psychology
https://www.readbyqxmd.com/read/28442931/postoperative-pain-and-patient-controlled-epidural-analgesia-related-adverse-effects-in-young-and-elderly-patients-a-retrospective-analysis-of-2-435-patients
#11
Jae Chul Koh, Young Song, So Yeon Kim, Sooyeun Park, Seo Hee Ko, Dong Woo Han
In this retrospective study, data of 2,435 patients who received fentanyl and ropivacaine-based patient-controlled epidural analgesia (PCEA) for pain relief after elective surgery under general or spinal anesthesia were reviewed. Differences in postoperative pain, incidence of patient-controlled analgesia (PCA)-related adverse effects, and risk factors for the need for rescue analgesics for 48 hours postsurgery in young (age 20-39 years) and elderly (age ≥70 years) patients were evaluated. Although there were no significant differences in postoperative pain intensity between the two groups until 6 hours postsurgery, younger patients experienced greater postoperative pain intensity compared with older patients 6-48 hours postsurgery...
2017: Journal of Pain Research
https://www.readbyqxmd.com/read/28442899/approaches-to-drug-therapy-for-copd-in-russia-a-proposed-therapeutic-algorithm
#12
Kirill A Zykov, Svetlana I Ovcharenko
Until recently, there have been few clinical algorithms for the management of patients with COPD. Current evidence-based clinical management guidelines can appear to be complex, and they lack clear step-by-step instructions. For these reasons, we chose to create a simple and practical clinical algorithm for the management of patients with COPD, which would be applicable to real-world clinical practice, and which was based on clinical symptoms and spirometric parameters that would take into account the pathophysiological heterogeneity of COPD...
2017: International Journal of Chronic Obstructive Pulmonary Disease
https://www.readbyqxmd.com/read/28442720/lattice-dynamics-and-elasticity-for-%C3%AE%C2%B5-plutonium
#13
Per Söderlind
Lattice dynamics and elasticity for the high-temperature ε phase (body-centered cubic; bcc) of plutonium is predicted utilizing first-principles electronic structure coupled with a self-consistent phonon method that takes phonon-phonon interaction and strong anharmonicity into account. These predictions establish the first sensible lattice-dynamics and elasticity data on ε-Pu. The atomic forces required for the phonon scheme are highly accurate and derived from the total energies obtained from relativistic and parameter-free density-functional theory...
April 25, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28442273/the-role-of-bile-acids-in-nonalcoholic-fatty-liver-disease-and-nonalcoholic-steatohepatitis
#14
REVIEW
Monica D Chow, Yi-Horng Lee, Grace L Guo
Nonalcoholic fatty liver disease is growing in prevalence worldwide. It is started by the presence of macrosteatosis on liver histology but is often clinically asymptomatic. However, it can progress into nonalcoholic steatohepatitis which is a more severe form of liver disease characterized by inflammation and fibrosis. Further progression leads to cirrhosis, which predisposes patients to hepatocellular carcinoma or liver failure. The mechanism by which simple steatosis progresses to steatohepatitis is not entirely clear...
April 22, 2017: Molecular Aspects of Medicine
https://www.readbyqxmd.com/read/28442251/liquidus-tracking-large-scale-preservation-of-encapsulated-3-d-cell-cultures-using-a-vitrification-machine
#15
Eva Puschmann, Clare Selden, Steve Butler, Barry Fuller
Currently, cryo-banking of multicellular structures such as organoids, especially in large volumes at clinical scale >1 L, remains elusive for reasons such as insufficient dehydration and cryoprotectant additive (CPA(1)) penetration, slow cooling and warming rates and devitrification processes. Here we introduce the concept of Liquidus Tracking (LT) using a semi-automated process for liquid volumes of up to 450 ml including 130 ml of alginate encapsulated liver cells (AELC) that archived controlled and reversible vitrification with minimized toxicity...
April 22, 2017: Cryobiology
https://www.readbyqxmd.com/read/28441987/hypersensitivity-to-biomedical-implants-prevention-and-diagnosis
#16
Gregory A Rosner, Luz S Fonacier
BACKGROUND: There has been growing interest in the potential for adverse immunologic reactions to metals in biomedical devices and increasing referrals for the evaluation and management of metal hypersensitivity reactions reported in orthopedic, cardiac, gynecologic, and dental implant devices. However, there are few studies that give evidence-based recommendations on how to evaluate this issue in our practices. METHODS: We reviewed reasonable evidence and expert opinion on biomedical device hypersensitivity and published guidelines on pre- and postimplantation evaluation of delayed hypersensitivity reactions in patients suspected of possible metal hypersensitivity to biomedical devices...
May 1, 2017: Allergy and Asthma Proceedings:
https://www.readbyqxmd.com/read/28441973/treatment-limiting-decisions-in-patients-with-severe-traumatic-brain-injury-in-a-norwegian-regional-trauma-center
#17
Annette Robertsen, Reidun Førde, Nils Oddvar Skaga, Eirik Helseth
BACKGROUND: Treatment-limiting decisions (TLD) for severe traumatic brain injury (sTBI) have been sparsely studied. This study determine prevalence, main reason for, categories and timing of TLDs in a Norwegian regional trauma setting. METHODS: A retrospective study of a 2-year cohort of 579 sTBI patients admitted to Oslo University Hospital (OUH). Prospectively collected data in the OUH Trauma Registry were combined with retrospective data from a chart review regarding TLDs...
April 26, 2017: Scandinavian Journal of Trauma, Resuscitation and Emergency Medicine
https://www.readbyqxmd.com/read/28441523/carbohydrates-and-gibberellins-relationship-in-potato-tuberization
#18
Hana Ševčíková, Petra Mašková, Danuše Tarkowská, Tomáš Mašek, Helena Lipavská
Potato represents the third most important crop worldwide and therefore to understand regulations of tuber onset is crucial from both theoretical and practical points of view. Photosynthesis and related carbohydrate status along with phytohormone balance belong to the essential factors in regulation of plant development including storage organ formation. In our work we used potato (Solanum tuberosum) cv. Lada and its spontaneously tuberizing mutant (ST plants) grown in vitro under low carbohydrate availability (non-inductive conditions)...
April 8, 2017: Journal of Plant Physiology
https://www.readbyqxmd.com/read/28441238/diaphragm-activation-in-ventilated-patients-using-a-novel-transvenous-phrenic-nerve-pacing-catheter
#19
Steven Reynolds, Adrian Ebner, Tracy Meffen, Viral Thakkar, Matt Gani, Kaity Taylor, Linda Clark, Gautam Sadarangani, Ramasamy Meyyappan, Rodrigo Sandoval, Elizabeth Rohrs, Joaquín A Hoffer
OBJECTIVES: Over 30% of critically ill patients on positive-pressure mechanical ventilation have difficulty weaning from the ventilator, many of whom acquire ventilator-induced diaphragm dysfunction. Temporary transvenous phrenic nerve pacing using a novel electrode-bearing catheter may provide a means to prevent diaphragm atrophy, to strengthen an atrophied diaphragm, and mitigate the harms of mechanical ventilation. We tested the initial safety, feasibility, and impact on ventilation of this novel approach...
April 22, 2017: Critical Care Medicine
https://www.readbyqxmd.com/read/28441112/second-line-hormonal-therapy-for-men-with-chemotherapy-na%C3%A3-ve-castration-resistant-prostate-cancer-american-society-of-clinical-oncology-provisional-clinical-opinion
#20
Katherine S Virgo, Ethan Basch, D Andrew Loblaw, Tom Oliver, R Bryan Rumble, Michael A Carducci, Luke Nordquist, Mary-Ellen Taplin, Eric Winquist, Eric A Singer
Purpose ASCO provisional clinical opinions (PCOs) offer direction to the ASCO membership after publication or presentation of potential practice-changing data. This PCO addresses second-line hormonal therapy for chemotherapy-naïve men with castration-resistant prostate cancer (CRPC) who range from being asymptomatic with only biochemical evidence of CRPC to having documented metastases but minimal symptoms. Clinical Context The treatment goal for CRPC is palliation. Despite resistance to initial androgen deprivation therapy, most men respond to second-line hormonal therapies...
April 25, 2017: Journal of Clinical Oncology: Official Journal of the American Society of Clinical Oncology
keyword
keyword
77318
1
2
Fetch more papers »
Fetching more papers... Fetching...
Read by QxMD. Sign in or create an account to discover new knowledge that matter to you.
Remove bar
Read by QxMD icon Read
×

Search Tips

Use Boolean operators: AND/OR

diabetic AND foot
diabetes OR diabetic

Exclude a word using the 'minus' sign

Virchow -triad

Use Parentheses

water AND (cup OR glass)

Add an asterisk (*) at end of a word to include word stems

Neuro* will search for Neurology, Neuroscientist, Neurological, and so on

Use quotes to search for an exact phrase

"primary prevention of cancer"
(heart or cardiac or cardio*) AND arrest -"American Heart Association"