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Prolonged fasting

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https://www.readbyqxmd.com/read/27909497/persistent-atrial-fibrillation-and-atrial-flutter-complicated-by-tachycardiomyopathy-because-of-intermittent-conduction-through-accessory-pathway
#1
L Valeri, A Coppolino, G Rossetti, A Vado, G Amoroso, G Bricco, A Battisti, L Correndo, S Dogliani, A Magliarditi, D Pancaldo, M De Benedictis, A Bassignana, B Doronzo
The term tachycardiomyopathy refers to a specific form of tachycardia-related cardiomyopathy caused by supraventricular or ventricular tachyarrhytmias that are both associated with ventricular rates higher than 120 bpm. The arrhythmias which are most frequently associated with these forms of heart disease are atrial fibrillation and atrial flutter, particularly found in the elderly population. The most frequent clinical manifestation is heart failure. In this case we are reporting a clinical case of a patient that came to our attention because of an episode of heart failure associated with atrial fibrillation and atrial flutter...
April 2016: Journal of Atrial Fibrillation
https://www.readbyqxmd.com/read/27908389/hypertension-obesity-diabetes-and%C3%A2-heart%C3%A2-failure-free-survival-the-cardiovascular-disease-lifetime-risk-pooling-project
#2
Faraz S Ahmad, Hongyan Ning, Jonathan D Rich, Clyde W Yancy, Donald M Lloyd-Jones, John T Wilkins
OBJECTIVES: This study was designed to quantify the relationship between the absence of heart failure risk factors in middle age and incident heart failure, heart failure-free survival, and overall survival. BACKGROUND: Quantification of years lived free from heart failure in the context of risk factor burden in mid-life may improve risk communication and prevention efforts. METHODS: We conducted a pooled, individual-level analysis sampling from communities across the United States as part of 4 cohort studies: the Framingham Heart, Framingham Offspring, Chicago Heart Association Detection Project in Industry, and ARIC (Atherosclerosis Risk In Communities) studies...
December 2016: JACC. Heart Failure
https://www.readbyqxmd.com/read/27904816/an-unusual-presentation-of-nocardiosis-in-an-allogeneic-transplant-recipient
#3
Uroosa Ibrahim, Amina Saqib, Farhan Mohammad, Terenig Terjanian
Nocardiosis is a rare cause of opportunistic infection post hematopoietic stem cell transplant (HSCT) occurring in about 0.3% of patients. The risk factors include delayed immune reconstitution, prolonged neutropenia, and graft-versus-host disease. The most common site of infection is the lung, followed by the brain and the skin. Concomitant pulmonary and central nervous system (CNS) nocardiosis is an extremely rare entity as presented in our case. We present the case of a 72-year-old male at 137 days post transplant presenting with complaints of headache and slurred speech...
October 17, 2016: Curēus
https://www.readbyqxmd.com/read/27903579/medium-chain-acyl-coenzyme-a-dehydrogenase-deficiency-mcadd-a-cause-of-severe-hypoglycaemia-in-an-apparently-well-child
#4
Kene Ebuka Maduemem
Medium-chain acyl-Coenzyme A dehydrogenase deficiency (MCADD) is a disorder of fatty acid β oxidation inherited in an autosomal recessive manner. The enzyme is useful in hepatic ketogenesis, a major source of energy once hepatic glycogen stores become depleted during prolonged fasting. It is a cause of hypoketotic hypoglycaemia in a previously well child. MCADD is not part of newborn screening in Ireland; children are likely to be missed if routine hypoglycaemic screen is not instituted when blood glucose level is below 2...
November 30, 2016: BMJ Case Reports
https://www.readbyqxmd.com/read/27903512/thyroid-hormone-stimulated-increases-in-pgc-1%C3%AE-and-ucp2-promote-life-history-specific-endocrine-changes-and-maintain-a-lipid-based-metabolism
#5
Bridget Martinez, José G Soñanez-Organis, Jose A Godoy-Lugo, Lillian Horin, Daniel E Crocker, Rudy M Ortiz
Thyroid hormones (TH) regulate metabolism, but are typically suppressed during times of stressful physiological conditions, including fasting. Interestingly, prolonged fasting in northern elephant seal pups is associated with reliance on a lipid-based metabolism and increased levels of circulating thyroid hormones that are partially attributed to active secretion as opposed to reduced clearance. This apparent paradox is coupled with complementary increases in cellular TH-mediated activity suggesting that in mammals naturally adapted to prolonged fasting TH are necessary to support metabolism...
November 30, 2016: American Journal of Physiology. Regulatory, Integrative and Comparative Physiology
https://www.readbyqxmd.com/read/27901186/orange-juice-with-a-high-fat-meal-prolongs-postprandial-lipemia-in-apparently-healthy-overweight-obese-women
#6
Raquel Cristina L A Coelho, Helen Hermana M Hermsdorff, Renata S Gomide, Raquel Duarte M Alves, Josefina Bressan
Objective: We investigated the postprandial response of lipid markers to a high-fat meal (HFM) with two different beverages in apparently healthy normal-weight and overweight/obese women. Subjects and methods: This crossover, randomized study enrolled 36 women, of whom 21 had normal weight (body mass index [BMI] 22 ± 1.8 kg/m2) and 15 had overweight/obesity (BMI 31 ± 3.7 kg/m2). In two different test days, the participants ingested a HFM (37% of energy as saturated fat) with 500 mL of water (HFM-W) or 500 mL of orange juice (HFM-OJ)...
November 24, 2016: Archives of Endocrinology and Metabolism
https://www.readbyqxmd.com/read/27900260/gut-microbiota-and-glucometabolic-alterations-in-response-to-recurrent-partial-sleep-deprivation-in-normal-weight-young-individuals
#7
Christian Benedict, Heike Vogel, Wenke Jonas, Anni Woting, Michael Blaut, Annette Schürmann, Jonathan Cedernaes
OBJECTIVE: Changes to the microbial community in the human gut have been proposed to promote metabolic disturbances that also occur after short periods of sleep loss (including insulin resistance). However, whether sleep loss affects the gut microbiota remains unknown. METHODS: In a randomized within-subject crossover study utilizing a standardized in-lab protocol (with fixed meal times and exercise schedules), we studied nine normal-weight men at two occasions: after two nights of partial sleep deprivation (PSD; sleep opportunity 02:45-07:00 h), and after two nights of normal sleep (NS; sleep opportunity 22:30-07:00 h)...
December 2016: Molecular Metabolism
https://www.readbyqxmd.com/read/27898404/prolonged-fasting-improves-endothelial-progenitor-cell-mediated-ischemic-angiogenesis-in-mice
#8
Bao Xin, Chun-Long Liu, Hong Yang, Cheng Peng, Xiao-Hui Dong, Chuan Zhang, Alex F Chen, He-Hui Xie
BACKGROUND/AIMS: Prolonged fasting (PF) was shown to be of great potency to promote optimal health and reduce the risk of many chronic diseases. This study sought to determine the effect of PF on the endothelial progenitor cell (EPC)-mediated angiogenesis in the ischemic brain and cerebral ischemic injury in mice. METHODS: Mice were subjected to PF or periodic PF after cerebral ischemia, and histological analysis and behavioral tests were performed. Mouse EPCs were isolated and examined, and the effects of EPC transplantation on cerebral ischemic injury were investigated in mice...
November 30, 2016: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/27897405/premorbid-obesity-but-not-nutrition-prevents-critical-illness-induced-muscle-wasting-and-weakness
#9
Chloë Goossens, Mirna Bastos Marques, Sarah Derde, Sarah Vander Perre, Thomas Dufour, Steven E Thiessen, Fabian Güiza, Thomas Janssens, Greet Hermans, Ilse Vanhorebeek, Katrien De Bock, Greet Van den Berghe, Lies Langouche
BACKGROUND: The 'obesity paradox' of critical illness refers to better survival with a higher body mass index. We hypothesized that fat mobilized from excess adipose tissue during critical illness provides energy more efficiently than exogenous macronutrients and could prevent lean tissue wasting. METHODS: In lean and premorbidly obese mice, the effect of 5 days of sepsis-induced critical illness on body weight and composition, muscle wasting, and weakness was assessed, each with fasting and parenteral feeding...
July 20, 2016: Journal of Cachexia, Sarcopenia and Muscle
https://www.readbyqxmd.com/read/27896927/a-retrospective-review-of-anesthesia-and-perioperative-care-in-children-with-medium-chain-acyl-coa-dehydrogenase-deficiency
#10
Claire Allen, Russell Perkins, Bernd Schwahn
BACKGROUND: Medium-chain acyl-CoA dehydrogenase deficiency is the most common genetically determined disorder of mitochondrial fatty acid oxidation. Decompensation can result in hypoglycemia, seizures, coma, and death but may be prevented by ensuring glycogen stores do not become depleted. Perioperative care is of interest as surgery, fasting, and infection may all trigger decompensation and the safety of anesthetic agents has been questioned. Current guidelines from the British Inherited Metabolic Disease Group advise on administering fluid containing 10% glucose during the perioperative period...
November 29, 2016: Paediatric Anaesthesia
https://www.readbyqxmd.com/read/27895555/spike-timing-rigidity-is-maintained-in-bursting-neurons-under-pentobarbital-induced-anesthetic-conditions
#11
Risako Kato, Masanori Yamanaka, Eiko Yokota, Noriaki Koshikawa, Masayuki Kobayashi
Pentobarbital potentiates γ-aminobutyric acid (GABA)-mediated inhibitory synaptic transmission by prolonging the open time of GABAA receptors. However, it is unknown how pentobarbital regulates cortical neuronal activities via local circuits in vivo. To examine this question, we performed extracellular unit recording in rat insular cortex under awake and anesthetic conditions. Not a few studies apply time-rescaling theorem to detect the features of repetitive spike firing. Similar to these methods, we define an average spike interval locally in time using random matrix theory (RMT), which enables us to compare different activity states on a universal scale...
2016: Frontiers in Neural Circuits
https://www.readbyqxmd.com/read/27893840/impact-of-prolonged-temporal-discrimination-threshold-on-finger-movements-of-parkinson-s-disease
#12
M J Lee, J S Son, J H Lee, S J Kim, C H Lyoo, M S Lee
INTRODUCTION: Sensory information is essential for the precise control of movement. Patients with Parkinson's disease (PD) have higher-order sensory dysfunctions including prolonged temporal discrimination threshold (TDT). However, the impact of prolonged TDT on parkinsonian motor deficits is uncertain. METHODS: This study includes 33 PD patients and 24 healthy controls. TDT values were measured in the index finger. Using coin rotation task (CRT), dexterous finger movement was assessed...
2016: PloS One
https://www.readbyqxmd.com/read/27892780/associations-between-prolonged-sedentary-time-and-breaks-in-sedentary-time-with-cardiometabolic-risk-in-10-14-year-old-children-the-happy-study
#13
Daniel P Bailey, Sarah J Charman, Thomas Ploetz, Louise A Savory, Catherine J Kerr
This study examines the association between prolonged sedentary time and breaks in sedentary time with cardiometabolic risk in 10-14-year-old children. This cross-sectional design study analysed accelerometry-determined sedentary behaviour and physical activity collected over 7 days from 111 (66 girls) UK schoolchildren. Objective outcome measures included waist circumference, fasting lipids, fasting glucose, blood pressure, and cardiorespiratory fitness. Logistic regression was used for the main data analysis...
November 28, 2016: Journal of Sports Sciences
https://www.readbyqxmd.com/read/27891177/furfural-tolerance-and-detoxification-mechanism-in-candida-tropicalis
#14
Shizeng Wang, Gang Cheng, Chijioke Joshua, Zijun He, Xinxiao Sun, Ruimin Li, Lexuan Liu, Qipeng Yuan
BACKGROUND: Current biomass pretreatment by hydrothermal treatment (including acid hydrolysis, steam explosion, and high-temperature steaming) and ionic liquids generally generate inhibitors to the following fermentation process. Furfural is one of the typical inhibitors generated in hydrothermal treatment of biomass. Furfural could inhibit cell growth rate and decrease biofuel productivity of microbes. Candida tropicalis is a promising microbe for the production of biofuels and value-added chemicals using hemicellulose hydrolysate as carbon source...
2016: Biotechnology for Biofuels
https://www.readbyqxmd.com/read/27891077/presynaptic-g-protein-coupled-receptors-gatekeepers-of-addiction
#15
REVIEW
Kari A Johnson, David M Lovinger
Drug abuse and addiction cause widespread social and public health problems, and the neurobiology underlying drug actions and drug use and abuse is an area of intensive research. Drugs of abuse alter synaptic transmission, and these actions contribute to acute intoxication as well as the chronic effects of abused substances. Transmission at most mammalian synapses involves neurotransmitter activation of two receptor subtypes, ligand-gated ion channels that mediate fast synaptic responses and G protein-coupled receptors (GPCRs) that have slower neuromodulatory actions...
2016: Frontiers in Cellular Neuroscience
https://www.readbyqxmd.com/read/27888143/dissolution-behavior-of-co-amorphous-amino-acid-indomethacin-mixtures-the-ability-of-amino-acids-to-stabilize-the-supersaturated-state-of-indomethacin
#16
Rami Ojarinta, Aki T Heikkinen, Elina Sievänen, Riikka Laitinen
Arginine, phenylalanine, and tryptophan have been previously shown to improve the solid-state stability of amorphous indomethacin. The present study investigates the ability of these amino acids to prolong the supersaturation of indomethacin in both aqueous and biorelevant conditions either when freely in solution or when formulated as co-amorphous mixtures. The co-amorphous amino acid-indomethacin mixtures (molar ratio 1:1) and amorphous indomethacin were prepared by cryomilling. Dissolution and precipitation tests were performed in buffer solutions (pH 5 and 6...
November 22, 2016: European Journal of Pharmaceutics and Biopharmaceutics
https://www.readbyqxmd.com/read/27885198/the-difference-between-ideal-and-actual-fasting-duration-in-the-treatment-of-patients-with-aspiration-pneumonia-a-nationwide-survey-of-clinicians-in-japan
#17
Tsuneaki Kenzaka, Koki Kosami, Yasufumi Matsuoka, Ayako Noda, Ayako Kumabe
In Japan, aspiration pneumonia is common among the elderly and patients are often treated by temporary discontinuation of meals. However, there are few published studies on the fasting duration for aspiration pneumonia treatment. Therefore, we conducted the present study to assess the opinions of clinicians regarding the fasting duration for the treatment of patients with aspiration pneumonia and the actual medical practice with regard to oral ingestion in hospitalized patients with aspiration pneumonia. We targeted hospitals with internal medicine and respiratory medicine departments across Japan...
2016: Tohoku Journal of Experimental Medicine
https://www.readbyqxmd.com/read/27882815/approaches-to-developing-fast-release-pellets-via-wet-extrusion-spheronization
#18
Xia Yu, Chun-Yang Shi, Jian-Guo Fang, Wang Wen-Qing
Microcrystalline cellulose (MCC) is widely regarded as the excellent choice to manufacture pellets via wet extrusion-spheronisation (ES) process due to its excellent water uptake capability, water holding capacity, desirable rheological properties, cohesiveness and plasticity etc. Nevertheless, in spite of all these advantages, limitations associated with the application of MCC also have been reported. The most prevailing limitation is prolonged or incomplete drug release profile due to the lack of disintegration as pellet contracts significantly during the drying process, especially when in combination with poorly soluble drug at a high level...
November 24, 2016: Pharmaceutical Development and Technology
https://www.readbyqxmd.com/read/27878517/risks-associated-with-misuse-of-ketamine-as-a-rapid-acting-antidepressant
#19
Weili Zhu, Zengbo Ding, Yinan Zhang, Jie Shi, Kenji Hashimoto, Lin Lu
Major depression is a serious psychiatric disorder and remains a leading cause of disability worldwide. Conventional antidepressants take at least several weeks to achieve a therapeutic response and this lag period has hindered their ability to attain beneficial effects in depressed individuals at high risk of suicide. The non-competitive N-methyl-D-aspartate glutamate receptor antagonist ketamine has been shown to have rapid antidepressant effects in both rodents and humans. The emergence of ketamine as a fast-acting antidepressant provides promising new insights into the development of a rapid treatment response in patients with clinical depression...
December 2016: Neuroscience Bulletin
https://www.readbyqxmd.com/read/27875055/intraoral-repair-of-a-glass-ceramic-restoration-with-nanohybrid-ormocers-a-case-report
#20
Juergen Manhart, Iris Frasheri
The interest in repairing failed restorations has been growing; such a procedure may prolong the life span of defective direct and indirect dental restorations. The intraoral repair using resin-based composite materials has major benefits, as it preserves the main body of the restoration, avoids unnecessary removal of sound tooth structure, is an easy and fast treatment, avoids additional appointments, and is inexpensive. This case report demonstrates the use of nanohybrid Ormocer®, or organically modified ceramic, materials...
November 2016: Compendium of Continuing Education in Dentistry
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