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https://www.readbyqxmd.com/read/28329457/hemolysis-during-open-heart-surgery-with-vacuum-assisted-venous-drainage-at-different-negative-pressures-in-pediatric-patients-weighing-less-than-10-kilograms
#1
Jae Gun Kwak, Jinkwon Lee, Minkyoung Park, Yu-Jin Seo, Chang-Ha Lee
BACKGROUND: This study examined the degree of hemolysis during vacuum-assisted venous drainage at different negative pressures to identify an adequate negative pressure that provides effective venous drainage without significant hemolysis in open-heart surgery in children weighing less than 10 kg. METHODS: Patients weighing less than 10 kg who underwent surgery for ventricular septal defect or atrial septal defect from 2011 to 2014 were enrolled. We used one of four negative pressures (20, 30, 40, or 60 mm Hg) for each patient...
March 2017: World Journal for Pediatric & Congenital Heart Surgery
https://www.readbyqxmd.com/read/28329084/obstructive-sleep-apnea-is-associated-with-early-but-possibly-modifiable-alzheimer-s-disease-changes
#2
Claudio Liguori, Nicola Biagio Mercuri, Francesca Izzi, Andrea Romigi, Alberto Cordella, Giuseppe Sancesario, Fabio Placidi
Study Objectives: Obstructive sleep apnea (OSA) is a common sleep disorder. Actually, literature lacks studies examining sleep, cognition, and Alzheimer's Disease (AD) cerebrospinal-fluid biomarkers in OSA patients. Therefore, we firstly studied cognitive performances, polysomnographic sleep, and CSF β-amyloid, tau proteins and lactate levels in patients affected by subjective cognitive impairment (SCI) divided in three groups: OSA patients (showing an Apnea-Hypopnea Index - AHI ≥15/h), controls (showing an AHI<15/h), and patients treating OSA by continuous positive airway pressure (CPAP)...
January 28, 2017: Sleep
https://www.readbyqxmd.com/read/28328991/pre-breeding-food-restriction-promotes-the-optimization-of-parental-investment-in-house-mice-mus-musculus
#3
Adam Dušek, Luděk Bartoš, František Sedláček
Litter size is one of the most reliable state-dependent life-history traits that indicate parental investment in polytocous (litter-bearing) mammals. The tendency to optimize litter size typically increases with decreasing availability of resources during the period of parental investment. To determine whether this tactic is also influenced by resource limitations prior to reproduction, we examined the effect of experimental, pre-breeding food restriction on the optimization of parental investment in lactating mice...
2017: PloS One
https://www.readbyqxmd.com/read/28328838/development-and-validation-of-a-risk-prediction-nomogram-for-in-hospital-mortality-in-adults-poisoned-with-drugs-and-nonpharmaceutical-agents-an-observational-study
#4
Catalina Lionte, Victorita Sorodoc, Elisabeta Jaba, Alina Botezat
Acute poisoning with drugs and nonpharmaceutical agents represents an important challenge in the emergency department (ED).The objective is to create and validate a risk-prediction nomogram for use in the ED to predict the risk of in-hospital mortality in adults from acute poisoning with drugs and nonpharmaceutical agents.This was a prospective cohort study involving adults with acute poisoning from drugs and nonpharmaceutical agents admitted to a tertiary referral center for toxicology between January and December 2015 (derivation cohort) and between January and June 2016 (validation cohort)...
March 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28328834/varying-postresection-lactate-dehydrogenase-with-overall-survival-of-early-stage-pancreatic-cancer-patients-a-retrospective-study
#5
Yuanyuan Xiao, Zhihui Xie, Zhenyi Shao, Wen Chen, Hua Xie, Guoyou Qin, Naiqing Zhao
Several previously published studies revealed a hazardous role of pretreatment lactate dehydrogenase (LDH) in survival of advanced or metastatic pancreatic cancer (PC) patients. Nevertheless, in early stage PC patients who are eligible for curative resection, the prognostic role of postresection LDH has never been discussed. In this study, we aimed to explore the prognostic significance of varying postresection LDH among early stage PC patients. In total, 80 PC patients who received curative resection were retrospectively selected from a population-based electronic inpatients database which originated from Shanghai, China...
March 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28328730/partial-occlusion-conversion-from-thoracotomy-undelayed-but-shorter-occlusion-resuscitative-endovascular-balloon-occlusion-of-the-aorta-strategy-in-japan
#6
Yosuke Matsumura, Junichi Matsumoto, Hiroshi Kondo, Koji Idoguchi, Tomohiro Funabiki
INTRODUCTION: Resuscitative endovascular balloon occlusion of the aorta (REBOA) is a viable alternative to resuscitative thoracotomy (RT) in refractory hemorrhagic patients. We evaluated REBOA strategies using Japanese multi-institutional data. PATIENTS AND METHODS: The DIRECT-IABO investigators registered trauma patients requiring REBOA from 18 hospitals. Patients' characteristics, outcomes, and time in initial treatment were collected and analyzed. RESULTS: From August 2011 to December 2015, 106 trauma patients were analyzed...
March 21, 2017: European Journal of Emergency Medicine: Official Journal of the European Society for Emergency Medicine
https://www.readbyqxmd.com/read/28328649/early-lactate-clearance-is-associated-with-improved-outcomes-in-patients-with-postcardiac-arrest-syndrome-a-prospective-multicenter-observational-study-sos-kanto-2012-study
#7
Kei Hayashida, Masaru Suzuki, Naohiro Yonemoto, Shingo Hori, Tomoyoshi Tamura, Atsushi Sakurai, Yoshio Tahara, Ken Nagao, Arino Yaguchi, Naoto Morimura
OBJECTIVES: To determine whether early lactate reduction is associated with improved survival and good neurologic outcome in patients with out-of-hospital cardiac arrest. DESIGN: Ad hoc data analysis of a prospective, multicenter observational study. SETTING: Out-of-hospital cardiac arrest patients at 67 emergency hospitals in Kanto, Japan between January 2012 and March 2013. PATIENTS: Adult patients with out-of-hospital cardiac arrest admitted to the hospital after successful resuscitation were identified...
March 21, 2017: Critical Care Medicine
https://www.readbyqxmd.com/read/28328258/value-of-mdct-and-clinical-and-laboratory-data-for-predicting-the-need-for-surgical-intervention-in-suspected-small-bowel-obstruction
#8
Andrew Scrima, Meghan G Lubner, Scott King, Joshua Pankratz, Gregory Kennedy, Perry J Pickhardt
OBJECTIVE: The purpose of this article is to assess the value of a large panel of clinical and MDCT variables in patients with suspected small-bowel obstruction (SBO) for predicting urgent surgical intervention (< 72 hours), bowel ischemia, and bowel resection. MATERIALS AND METHODS: MDCT studies performed at admission for 179 nonconsecutive adults (mean age, 55.8 years; 86 men and 93 women) with suspected SBO were retrospectively reviewed by three board-certified radiologists...
April 2017: AJR. American Journal of Roentgenology
https://www.readbyqxmd.com/read/28328069/autophagy-maintains-the-integrity-of-endothelial-barrier-in-lps-induced-lung-injury
#9
Dan Zhang, Jian Zhou, Le Chi Ye, Jing Li, Zhenzhou Wu, Yuping Li, Chichi Li
Understanding the role and underlying regulation mechanism of autophagy in lipopolysaccharide-induced lung injury (LPS-LI) may provide potentially new pharmacological targets for treatment of acute lung injury. The aim of this study was to investigate the functional significance of autophagy in LPS-LI. The autophagy of human pulmonary microvascular endothelial cells (HPMVECs) and mice was inhibited before they were challenged with LPS. In vitro, permeability, vitality and the lactate dehydrogenase (LDH) release rate of the cells were detected, the zonula occluden-1 (ZO-1) expression and the stress fiber formation were determined...
March 22, 2017: Journal of Cellular Physiology
https://www.readbyqxmd.com/read/28327992/cyst-fluid-from-cystic-malignant-brain-tumors-a-reservoir-of-nutrients-including-growth-factor-like-nutrients-for-tumor-cells
#10
Daniel Dahlberg, Eduard A Struys, Erwin E Jansen, Lars Mørkrid, Øivind Midttun, Bjørnar Hassel
BACKGROUND: Brain tumors may have cysts, whose content of nutrients could influence tumor cell microenvironment and growth. OBJECTIVE: To measure nutrients in cyst fluid from glioblastoma multiforme (GBM) and metastatic brain tumors. METHODS: Quantification of nutrients in cyst fluid from 12 to 18 GBMs and 4 to 10 metastatic brain tumors. RESULTS: GBM cysts contained glucose at 2.2 mmol/L (median value; range <0.8-3...
January 25, 2017: Neurosurgery
https://www.readbyqxmd.com/read/28327516/an-extract-from-shrimp-processing-by-products-protects-sh-sy5y-cells-from-neurotoxicity-induced-by-a%C3%AE-25-35
#11
Yongping Zhang, Guangling Jiao, Cai Song, Shelly Gu, Richard E Brown, Junzeng Zhang, Pingcheng Zhang, Jacques Gagnon, Steven Locke, Roumiana Stefanova, Claude Pelletier, Yi Zhang, Hongyu Lu
Increased evidence suggests that marine unsaturated fatty acids (FAs) can protect neurons from amyloid-β (Aβ)-induced neurodegeneration. Nuclear magnetic resonance (NMR), high performance liquid chromatography (HPLC) and gas chromatography (GC) assays showed that the acetone extract 4-2A obtained from shrimp Pandalus borealis industry processing wastes contained 67.19% monounsaturated FAs and 16.84% polyunsaturated FAs. The present study evaluated the anti-oxidative and anti-inflammatory effects of 4-2A in Aβ25-35-insulted differentiated SH-SY5Y cells...
March 22, 2017: Marine Drugs
https://www.readbyqxmd.com/read/28326749/a-case-of-autoimmune-polyendocrine-syndrome-type-i-with-strong-positive-gad-antibody-titer-followed-up-with-glucose-tolerance-measured-by-oral-glucose-tolerance-test
#12
(no author information available yet)
A 26-year-old Japanese woman presented with adrenal insufficiency, and treatment was started with cortisone and fludrocortisone in 1975. A few years later, she presented with hypoparathyroidism and was diagnosed with autoimmune polyendocrine syndrome type I (APS I), and treatment with calcium and alfacalcidol was started. She was found to have subacute thyroiditis and relative adrenal failure in 2006. Her condition remained stable under treatment with cortisone, fludrocortisone, levothyroxine, calcium lactate, precipitated calcium carbonate and alfacalcidol...
January 22, 2017: Neuro Endocrinology Letters
https://www.readbyqxmd.com/read/28326448/anaerobic-metabolism-in-t4-acanthamoeba-genotype
#13
Daniella de Sousa Mendes Moreira Alves, Luciano Moreira Alves, Tatiane Luiza da Costa, Ana Maria de Castro, Marina Clare Vinaud
Members of the genus Acanthamoeba are of the most common protozoa that has been isolated from a variety of environment and affect immunocompromised individuals, causing granulomatous amoebic encephalitis and skin lesions. Acanthamoeba, in immunocompetent patients, may cause a keratitis related to corneal microtrauma. These free-living amoebas easily adapt to the host environment and wield metabolic pathways such as the energetic and respiratory ones in order to maintain viability for long periods. The energetic metabolism of cysts and trophozoites remains mostly unknown...
March 22, 2017: Current Microbiology
https://www.readbyqxmd.com/read/28325791/individual-variations-in-nitric-oxide-synthase-dependent-sweating-in-young-and-older-males-during-exercise-in-the-heat-role-of-aerobic-power
#14
Tatsuro Amano, Naoto Fujii, Jeffrey C Louie, Robert D Meade, Glen P Kenny
We evaluated the association between aerobic power (defined by peak oxygen consumption; VO2peak) and the contribution of nitric oxide synthase (NOS) to the sweating response in young and older individuals during exercise in the heat. Data from 44 young (24 ± 1 years) and 48 older (61 ± 2 years) males with mean VO2peak of 47.8 ± 2.4 (range, 28.0-62.3) and 39.1 ± 2.3 (range, 26.4-55.7) mLO2 kg(-1) min(-1), respectively, were compiled from our prior studies. Participants performed two 15- to 30-min bouts of exercise at a fixed rate of metabolic heat production of 400 or 500 W, each separated by 15-20 min recovery in the heat (35°C, relative humidity of 20%)...
March 2017: Physiological Reports
https://www.readbyqxmd.com/read/28325783/renal-handling-of-ketones-in-response-to-sodium-glucose-cotransporter-2-inhibition-in-patients-with-type-2-diabetes
#15
Ele Ferrannini, Simona Baldi, Silvia Frascerra, Brenno Astiarraga, Elisabetta Barsotti, Aldo Clerico, Elza Muscelli
OBJECTIVE: Pharmacologically induced glycosuria elicits adaptive responses in glucose homeostasis and hormone release, including decrements in plasma glucose and insulin levels, increments in glucagon release, enhanced lipolysis, and stimulation of ketogenesis, resulting in an increase in ketonemia. We aimed at assessing the renal response to these changes. RESEARCH DESIGN AND METHODS: We measured fasting and postmeal urinary excretion of glucose, β-hydroxybutyrate (β-HB), lactate, and sodium in 66 previously reported patients with type 2 diabetes and preserved renal function (estimated glomerular filtration rate ≥60 mL · min(-1) · 1...
March 21, 2017: Diabetes Care
https://www.readbyqxmd.com/read/28325659/construction-of-a-novel-d-lactate-producing-pathway-from-dihydroxyacetone-phosphate-of-the-calvin-cycle-in-cyanobacterium-synechococcus-elongatus-pcc%C3%A2-7942
#16
Yasutaka Hirokawa, Ryota Goto, Yoshitaka Umetani, Taizo Hanai
Using engineered cyanobacteria to produce various chemicals from carbon dioxide is a promising technology for a sustainable future. Lactate is a valuable commodity that can be used for the biodegradable plastic, polylactic acid. Typically, lactate production using engineered cyanobacteria was via the conversion of pyruvate in glycolysis by lactate dehydrogenase. In cyanobacteria, the metabolic flux in the Calvin cycle is higher than that in glycolysis under photoautotrophic conditions. The construction of a novel lactate producing pathway that uses metabolites from the Calvin cycle could potentially increase lactate productivity in cyanobacteria...
March 18, 2017: Journal of Bioscience and Bioengineering
https://www.readbyqxmd.com/read/28325318/preparation-and-characterization-of-amine-functional-nano-hydroxyapatite-chitosan-bionanocomposite-for-bone-tissue-engineering-applications
#17
Besir Hakan Atak, Berna Buyuk, Merve Huysal, Sevim Isik, Mehmet Senel, Wolfgang Metzger, Guven Cetin
In this study, three different types of scaffolds including a uniquely modified composite scaffold - namely chitosan (CTS), nano-hydroxyapatite/chitosan composite (CTS+nHAP), and amine group (NH2) modified nano-hydroxyapatite/chitosan composite (CTS+nHAP-NH2) scaffolds - were synthesized for bone tissue engineering (BTE) purposes. As results of the study, it was found that all scaffold types were biodegradable with CTS and CTS+nHAP scaffolds losing up to 15% of their initial weight, while the CTS+nHAP-NH2 scaffold showing 10% of weight loss after six weeks of lysozyme treatment...
May 15, 2017: Carbohydrate Polymers
https://www.readbyqxmd.com/read/28325109/feasibility-and-effects-of-a-combined-adjuvant-high-intensity-interval-strength-training-in-breast-cancer-patients-a-single-center-pilot-study
#18
Sebastian Viktor Waldemar Schulz, Roman Laszlo, Stephanie Otto, Dmytro Prokopchuk, Uwe Schumann, Florian Ebner, Jens Huober, Jürgen Michael Steinacker
PURPOSE: To evaluate feasibility of an exercise intervention consisting of high-intensity interval endurance and strength training in breast cancer patients. METHODS: Twenty-six women with nonmetastatic breast cancer were consecutively assigned to the exercise intervention- (n= 15, mean age 51.9 ± 9.8 years) and the control group (n = 11, mean age 56.9 ± 7.0 years). Cardiopulmonary exercise testing that included lactate sampling, one-repetition maximum tests and a HADS-D questionnaire were used to monitor patients both before and after a supervised six weeks period of either combined high-intensity interval endurance and strength training (intervention group, twice a week) or leisure training (control group)...
March 21, 2017: Disability and Rehabilitation
https://www.readbyqxmd.com/read/28324618/thermogelling-chitosan-lactate-hydrogel-improves-functional-recovery-after-a-c2-spinal-cord-hemisection-in-rat
#19
Katarzyna Nawrotek, Tanguy Marqueste, Zofia Modrzejewska, Roman Zarzycki, Agnieszka Rusak, Patrick Decherchi
The present study was designed to provide an appropriate micro-environment for regenerating axotomized neurons and proliferating/migrating cells. Because of its intrinsic permissive properties, biocompatibility and biodegradability, we chose to evaluate the therapeutic effectiveness of a chitosan-based biopolymer. The biomaterial toxicity was measured through in vitro test based on fibroblast cell survival on thermogelling chitosan lactate hydrogel substrate and then polymer was implanted into a C2 hemisection of the rat spinal cord...
March 21, 2017: Journal of Biomedical Materials Research. Part A
https://www.readbyqxmd.com/read/28324248/incorporation-of-flaxseed-flour-as-a-dietary-source-for-ala-increases-bone-density-and-strength-in-post-partum-female-rats
#20
Danielle Cavalcante Ribeiro, Aline D'Avila Pereira, Fernanda Carvalho de Santana, Jorge Mancini-Filho, Eduardo Moreira da Silva, Carlos Alberto Soares da Costa, Gilson Teles Boaventura
In women, bone mass undergoes changes during pregnancy and the postpartum period, which has a risk for subsequent development of osteoporosis. Thus, the present study aims to evaluate the effects of flaxseed flour in femur quality during post-weaning of dam rats. After weaning, the rats were divided into control (C, n = 7) and experimental (F, n = 7) groups treated with a diet containing 25 g of flaxseed flour in the lactating period and 15 g in the maintenance period. After 51 days post-partum, serum hormone, fatty acids composition, bone compartments, computed tomography, and biomechanical analyses were determined...
March 21, 2017: Lipids
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