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Blood product utilization

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https://www.readbyqxmd.com/read/28067700/fresh-frozen-plasma-ordering-patterns-and-utilization-in-the-operating-rooms-of-a-tertiary-referral-hospital
#1
Matthew J Meyer, Walter H Dzik, Wilton C Levine
BACKGROUND: Blood product transfusion is the most commonly performed hospital procedure. Intraoperative blood product utilization varies between institutions and anesthesiologists. In the United States in 2011, nearly 4 million plasma units were transfused. METHODS: A retrospective analysis of intraoperative plasma ordering patterns and utilization (thawing and transfusing) was performed at a tertiary, academic hospital between January 2015 and March 2016. RESULTS: Over 15 months, 46,002 operative procedures were performed...
January 5, 2017: Anesthesia and Analgesia
https://www.readbyqxmd.com/read/28041733/glucose-requirements-of-an-activated-immune-system-in-lactating-holstein-cows
#2
S K Kvidera, E A Horst, M Abuajamieh, E J Mayorga, M V Sanz Fernandez, L H Baumgard
Accurately quantifying activated immune system energy requirements in vivo is difficult, but a better understanding may advance strategies to maximize animal productivity. Study objectives were to estimate whole-body glucose utilization following an i.v. endotoxin challenge. Lactating Holstein cows were jugular catheterized and assigned 1 of 3 bolus treatments: control (CON; 5 mL of saline; n = 6), lipopolysaccharide (LPS)-administered (LPS-C; 1.5 μg/kg of body weight; Escherichia coli 055:B5; n = 6), and LPS + euglycemic clamp (LPS-Eu; 1...
December 29, 2016: Journal of Dairy Science
https://www.readbyqxmd.com/read/28028751/epigenetic-modification-mediates-the-increase-of-lag-3-t-cells-in-chronic-osteomyelitis
#3
Yicun Wang, Jun Wang, Jia Meng, Hui Jiang, Jianning Zhao, Hongbo Qian, Tao Chen
Immune suppression plays critical roles in the development of chronic osteomyelitis, and the mechanisms underlying the development of immune suppression in chronic osteomyelitis have attracted much attention. LAG-3 is an important suppressor of T cell activation, but the role of LAG-3 in the immune regulation of chronic osteomyelitis is currently unknown. We sought to demonstrate if LAG-3 plays crucial roles in chronic osteomyelitis progression and has effects on immune suppression and exhausting of T cells, and what is the mechanism underlying LAG-3 deregulation in chronic osteomyelitis...
December 27, 2016: Inflammation
https://www.readbyqxmd.com/read/28025655/targets-and-probes-for-non-invasive-imaging-of-%C3%AE-cells
#4
REVIEW
Andreas Jodal, Roger Schibli, Martin Béhé
β-cells, located in the islets of the pancreas, are responsible for production and secretion of insulin and play a crucial role in blood sugar regulation. Pathologic β-cells often cause serious medical conditions affecting blood glucose level, which severely impact life quality and are life-threatening if untreated. With 347 million patients, diabetes is one of the most prevalent diseases, and will continue to be one of the largest socioeconomic challenges in the future. The diagnosis still relies mainly on indirect methods like blood sugar measurements...
December 26, 2016: European Journal of Nuclear Medicine and Molecular Imaging
https://www.readbyqxmd.com/read/28019034/inactivation-of-zika-virus-by-solvent-detergent-treatment-of-human-plasma-and-other-plasma-derived-products-and-pasteurization-of-human-serum-albumin
#5
Denis Kühnel, Sebastian Müller, Alexander Pichotta, Kai Uwe Radomski, Andreas Volk, Torben Schmidt
BACKGROUND: In 2016 the World Health Organization declared the mosquito-borne Zika virus (ZIKV) a "public health emergency of international concern." ZIKV is a blood-borne pathogen, which therefore causes concerns regarding the safety of human plasma-derived products due to potential contamination of the blood supply. This study investigated the effectiveness of viral inactivation steps used during the routine manufacturing of various plasma-derived products to reduce ZIKV infectivity...
December 26, 2016: Transfusion
https://www.readbyqxmd.com/read/28019012/improved-planning-of-leukapheresis-endpoint-with-customized-prediction-algorithm-minimizing-collection-days-volume-of-blood-processed-procedure-time-and-citrate-toxicity
#6
Daniel L Leberfinger, Kira L Badman, Joseph M Roig, Tamara Loos
BACKGROUND: Increased emphasis on cost and productivity in apheresis centers calls for a proficient and predictable hematopoietic progenitor cell (HPC) collection. Therefore, the aim of this study was to determine the value of a customized predictive algorithm that estimates how many blood volumes are required to process for a targeted CD34 cell dose. STUDY DESIGN AND METHODS: Retrospective analysis was performed on 107 HPC collections completed on the Spectra Optia MNC from January 2013 to June 2014 in 51 patients and 12 donors...
December 26, 2016: Transfusion
https://www.readbyqxmd.com/read/28012610/secondary-to-excessive-melatonin-synthesis-the-consumption-of-tryptophan-from-outside-the-blood-brain-barrier-and-melatonin-over-signaling-in-the-pars-tuberalis-may-be-central-to-the-pathophysiology-of-winter-depression
#7
José Carlos Pereira, Márcia Pradella Hallinan, Rosana Cardoso Alves
Seasonal affective disorder is defined as recurrent episodes of major depression, mania, or hypomania with seasonal onset and remission. In this class of mood disturbances, a unipolar major depressive disorder known as winter depression is common in populations living in northern latitudes far from the equator. Winter depression repeatedly occurs in the autumn or winter and remits in the spring or summer, and its etiopathogenesis is currently unknown. However, one can surmise that excessive melatonin production during the reduced duration of daily sunlight in the autumn and winter plays a role in its pathophysiology...
January 2017: Medical Hypotheses
https://www.readbyqxmd.com/read/28011762/idh1-deficiency-attenuates-gluconeogenesis-in-mouse-liver-by-impairing-amino-acid-utilization
#8
Jing Ye, Yu Gu, Feng Zhang, Yuanlin Zhao, Yuan Yuan, Zhenyue Hao, Yi Sheng, Wanda Y Li, Andrew Wakeham, Rob A Cairns, Tak W Mak
Although the enzymatic activity of isocitrate dehydrogenase 1 (IDH1) was defined decades ago, its functions in vivo are not yet fully understood. Cytosolic IDH1 converts isocitrate to α-ketoglutarate (α-KG), a key metabolite regulating nitrogen homeostasis in catabolic pathways. It was thought that IDH1 might enhance lipid biosynthesis in liver or adipose tissue by generating NADPH, but we show here that lipid contents are relatively unchanged in both IDH1-null mouse liver and IDH1-deficient HepG2 cells generated using the CRISPR-Cas9 system...
December 23, 2016: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/28001756/transcranial-red-near-infrared-light-emitting-diode-therapy-to-improve-cognition-in-chronic-traumatic-brain-injury
#9
Margaret A Naeser, Paula I Martin, Michael D Ho, Maxine H Krengel, Yelena Bogdanova, Jeffrey A Knight, Megan K Yee, Ross Zafonte, Judith Frazier, Michael R Hamblin, Bang-Bon Koo
We review the general topic of traumatic brain injury (TBI) and our research utilizing transcranial photobiomodulation (tPBM) to improve cognition in chronic TBI using red/near-infrared (NIR) light-emitting diodes (LEDs) to deliver light to the head. tPBM improves mitochondrial function increasing oxygen consumption, production of adenosine triphosphate (ATP), and improving cellular energy stores. Nitric oxide is released from the cells increasing regional blood flow in the brain. Review of published studies: In our previously published study, 11 chronic TBI patients with closed-head TBI caused by different accidents (motor vehicle accident, sports-related, improvised explosive device blast injury) and exhibiting long-lasting cognitive dysfunction received 18 outpatient treatments (Monday, Wednesday, Friday for 6 weeks) starting at 10 months to 8 years post-TBI...
December 2016: Photomedicine and Laser Surgery
https://www.readbyqxmd.com/read/27997608/effect-of-peripheral-electrical-stimulation-pes-on-nocturnal-blood-glucose-in-type-2-diabetes-a-randomized-crossover-pilot-study
#10
Merav Catalogna, Keren Doenyas-Barak, Roi Sagi, Ramzia Abu-Hamad, Uri Nevo, Eshel Ben-Jacob, Shai Efrati
BACKGROUND: Regulation of hepatic glucose production has been a target for antidiabetic drug development, due to its major contribution to glucose homeostasis. Previous pre-clinical study demonstrated that peripheral electrical stimulation (PES) may stimulate glucose utilization and improve hepatic insulin sensitivity. The aim of the present study was to evaluate safety, tolerability, and the glucose-lowering effect of this approach in patients with type 2 diabetes (T2DM). METHODS: Twelve patients with T2DM were recruited for an open label, interventional, randomized trial...
2016: PloS One
https://www.readbyqxmd.com/read/27994260/a-case-of-successful-thromboelastographic-guided-resuscitation-after-postpartum-hemorrhage-and-cardiac-arrest
#11
M Hurwich, D Zimmer, E Guerra, E Evans, T Shire, M Abernathy, J T Shreve, G R Kolettis, M T McCurdy, F J Castellino, M Walsh
Amniotic fluid embolism (AFE) is an unusual cause of life threatening peri partum hemorrhage (PPH). AFE resuscitation is often associated with renal and respiratory insufficiency, and a coagulopathy similar to disseminated intravascular coagulation (DIC). Resuscitation requires immediate recognition and limited use of crystalloid. We present a case of PPH caused by AFE with resultant cardiac arrest, renal and respiratory failure, and DIC-like coagulopathy, whose successful resuscitation was guided by perfusionist-directed serial thromboelastography (TEG)...
December 2016: Journal of Extra-corporeal Technology
https://www.readbyqxmd.com/read/27991520/the-safety-limits-of-an-extended-fast-lessons-from-a-non-model-organism
#12
Fabrice Bertile, Laetitia Fouillen, Thierry Wasselin, Pauline Maes, Yvon Le Maho, Alain Van Dorsselaer, Thierry Raclot
While safety of fasting therapy is debated in humans, extended fasting occurs routinely and safely in wild animals. To do so, food deprived animals like breeding penguins anticipate the critical limit of fasting by resuming feeding. To date, however, no molecular indices of the physiological state that links spontaneous refeeding behaviour with fasting limits had been identified. Blood proteomics and physiological data reveal here that fasting-induced body protein depletion is not unsafe "per se". Indeed, incubating penguins only abandon their chick/egg to refeed when this state is associated with metabolic defects in glucose homeostasis/fatty acid utilization, insulin production and action, and possible renal dysfunctions...
December 19, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27981865/healthcare-resource-utilization-in-patients-receiving-idarucizumab-for-reversal-of-dabigatran-anticoagulation-due-to-major-bleeding-urgent-surgery-or-procedural-interventions-interim-results-from-the-re-verse-ad-%C3%A2-study
#13
Charles V Pollack, Richard Bernstein, Robert Dubiel, Paul Reilly, Fredrik Gruenenfelder, Menno V Huisman, Chak-Wah Kam, Eva Kleine, Jerrold H Levy, Frank W Sellke, Thorsten Steiner, Anastasia Ustyugova, Jeffrey I Weitz
AIMS: Patients treated with anticoagulants may experience serious bleeding or require urgent surgery or intervention, and may benefit from rapid anticoagulant reversal. This exploratory analysis assessed healthcare resource utilization (HCRU) in patients treated with idarucizumab, a specific reversal agent for dabigatran etexilate. MATERIALS AND METHODS: RE-VERSE AD(™) (NCT02104947), a prospective, multicenter open-label study is evaluating idarucizumab for dabigatran reversal in patients with serious bleeding (Group A) or undergoing emergency surgery/procedures (Group B)...
December 16, 2016: Journal of Medical Economics
https://www.readbyqxmd.com/read/27974887/the-single-wire-ureteral-access-sheath-both-safe-and-economical
#14
REVIEW
Joan C Delto, George Wayne, Ajaydeep Sidhu, Rafael Yanes, Akshay Bhandari, Alan M Nieder
Introduction. Novel disposable products for ureteroscopy are often inherently more expensive than conventional ones. For example, the Cook Flexor(©) Parallel™ (Flexor) access sheath is designed for ease and efficiency of gaining upper tract access with a solitary wire. We analyze the cost combinations, efficiency, and safety of disposable products utilized for upper tract access, including the Flexor and standard ureteral access sheath. Methods. We performed a retrospective review from January 2014 to October 2014 of patients undergoing URS for nephrolithiasis, who were prestented for various reasons (e...
2016: Advances in Urology
https://www.readbyqxmd.com/read/27974825/low-expression-of-cxcr1-2-on-neutrophils-predicts-poor-survival-in-patients-with-hepatitis-b-virus-related-acute-on-chronic-liver-failure
#15
Ruonan Xu, Chunmei Bao, Huihuang Huang, Fang Lin, Yue Yuan, Siyu Wang, Lei Jin, Tao Yang, Ming Shi, Zheng Zhang, Fu-Sheng Wang
Polymorphonuclear neutrophils (PMNs) and proinflammatory cytokines have been implicated in the pathogenesis of acute-on-chronic liver failure (ACLF). But the utility of CXC chemokine receptor expression on PMNs as a biomarker for prediction of disease severity is still uncertain. In this study, we investigated the dynamic expression of CXCR1 and CXCR2 on neutrophils, and found that patients with hepatitis B virus-related ACLF displayed low expression of CXCR1 and CXCR2 on peripheral neutrophils compared with healthy subjects and patients with chronic hepatitis B...
December 15, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27951722/-clinical-and-functional-importance-of-selected-casp8-and-casp9-polymorphisms-in-breast-carcinoma
#16
V Brynychová, R Václavíková, K Kubáčková, M Mrhalová, R Kodet, K Rauš, D Vrána, J Gatěk, M Bendová, P Souček
BACKGROUND: Caspase-8 and caspase-9 (encoded by CASP8 and CASP9) are executive caspases of programmed cell death (apoptosis). Dysregulation of apoptosis plays an important role in cancer development, progression, and resistance to anticancer therapy. The goal of this work was to evaluate potential associations between polymorphisms in CASP8 and CASP9, previously linked to breast cancer risk, and the transcript levels of these genes (including their alternative anti-apoptotic variants) in tumor tissues and the clinical characteristics of the patients...
2016: Klinická Onkologie: Casopis Ceské a Slovenské Onkologické Spolecnosti
https://www.readbyqxmd.com/read/27942583/tissue-distribution-and-clonal-diversity-of-the-t-and-b-cell-repertoire-in-type-1-diabetes
#17
Howard R Seay, Erik Yusko, Stephanie J Rothweiler, Lin Zhang, Amanda L Posgai, Martha Campbell-Thompson, Marissa Vignali, Ryan O Emerson, John S Kaddis, Dave Ko, Maki Nakayama, Mia J Smith, John C Cambier, Alberto Pugliese, Mark A Atkinson, Harlan S Robins, Todd M Brusko
The adaptive immune repertoire plays a critical role in type 1 diabetes (T1D) pathogenesis. However, efforts to characterize B cell and T cell receptor (TCR) profiles in T1D subjects have been largely limited to peripheral blood sampling and restricted to known antigens. To address this, we collected pancreatic draining lymph nodes (pLN), "irrelevant" nonpancreatic draining lymph nodes, peripheral blood mononuclear cells (PBMC), and splenocytes from T1D subjects (n = 18) and control donors (n = 9) as well as pancreatic islets from 1 T1D patient; from these tissues, we collected purified CD4(+) conventional T cells (Tconv), CD4(+) Treg, CD8(+) T cells, and B cells...
December 8, 2016: JCI Insight
https://www.readbyqxmd.com/read/27913572/very-low-density-lipoprotein-vldl-induced-signals-mediating-aldosterone-production
#18
Ying-Ying Tsai, William E Rainey, Wendy B Bollag
Aldosterone, secreted by the adrenal zona glomerulosa, enhances sodium retention, thus increasing blood volume and pressure. Excessive production of aldosterone results in high blood pressure, and contributes to cardiovascular and renal disease, stroke, and visual loss. Hypertension is also associated with obesity, which s correlated with other serious health risks as well. Although weight gain is associated with increased blood pressure, the mechanism by which excess fat deposits increase blood pressure remains unclear...
December 2, 2016: Journal of Endocrinology
https://www.readbyqxmd.com/read/27911975/transfusion-requirements-in-esrd-patients-admitted-with-gi-hemorrhage-undergoing-inpatient-endoscopy
#19
Conor McCartney, Shrihari Santosh, Setu Patolia, Sadashiv Santosh
OBJECTIVES: To date there are no studies evaluating the utilization of blood products in patients with end-stage renal disease (ESRD) with gastrointestinal (GI) hemorrhage. This study estimated transfusion needs and determined predictors available at the time of admission for patients with ESRD admitted to a university hospital with GI bleeding requiring inpatient endoscopy. METHODS: A retrospective chart review was performed on all patients with ESRD who underwent inpatient endoscopy for suspected GI bleeding between 2009 and 2015...
December 2016: Southern Medical Journal
https://www.readbyqxmd.com/read/27911398/evaluation-of-bioenergetic-function-in-cerebral-vascular-endothelial-cells
#20
Stephanie L Rellick, Heng Hu, James W Simpkins, Xuefang Ren
The integrity of the blood-brain-barrier (BBB) is critical to prevent brain injury. Cerebral vascular endothelial (CVE) cells are one of the cell types that comprise the BBB; these cells have a very high-energy demand, which requires optimal mitochondrial function. In the case of disease or injury, the mitochondrial function in these cells can be altered, resulting in disease or the opening of the BBB. In this manuscript, we introduce a method to measure mitochondrial function in CVE cells by using whole, intact cells and a bioanalyzer...
November 19, 2016: Journal of Visualized Experiments: JoVE
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