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Systemic exertion intolerance disease

M E Roerink, J W M Lenders, I C Schmits, A M A Pistorius, J W Smit, H Knoop, J W M van der Meer
BACKGROUND: Postural orthostatic tachycardia syndrome (POTS) is considered a diagnostic marker for chronic fatigue syndrome (CFS). OBJECTIVES: The aims of this study were to (i) compare POTS prevalence in a CFS cohort with fatigued patients not meeting CFS criteria, and (ii) assess activity, impairment and response to cognitive behavioural therapy (CBT) in CFS patients with POTS (POTS-CFS) and without POTS (non-POTS-CFS). METHODS: Prospective cohort study at the Radboud University Medical Centre in the Netherlands...
October 2, 2016: Journal of Internal Medicine
J-D de Korwin, L Chiche, I Banovic, A Ghali, S Delliaux, F-J Authier, G Cozon, P-Y Hatron, I Fornasieri, F Morinet
More than 30 years after its individualization, chronic fatigue syndrome (CFS) remains a debilitating condition for the patient and a confusing one to the physicians, both because of diagnostic difficulties and poorly codified management. Despite the numerous work carried out, its pathophysiology remains unclear, but a multifactorial origin is suggested with triggering (infections) and maintenance (psychological) factors as well as the persistence of inflammatory (low grade inflammation, microglial activation…), immunologic (decrease of NK cells, abnormal cytokine production, reactivity to a variety of allergens, role of estrogens…) and muscular (mitochondrial dysfunction and failure of bioenergetic performance) abnormalities at the origin of multiple dysfunctions (endocrine, neuromuscular, cardiovascular, digestive…)...
May 31, 2016: La Revue de Médecine Interne
Bryan D Loy, Patrick J O'Connor, Rodney K Dishman
PURPOSE: A prominent symptom of myalgic encephalomyelitis, chronic fatigue syndrome, or systemic exertion intolerance disease (ME/CFS/SEID) is persistent fatigue that is worsened by physical exertion. Here the population effect of a single bout of exercise on fatigue symptoms in people with ME/CFS/SEID was estimated and effect moderators were identified. METHODS: Google Scholar was systematically searched for peer-reviewed articles published between February 1991 and May 2015...
October 2016: Medicine and Science in Sports and Exercise
Celine Tard, Ophelie Rouxel, Agnes Lehuen
Type 1 and type 2 diabetes are growing public health problems. Despite having different pathophysiologies, both diseases are associated with defects in immune regulation. Invariant natural killer T (iNKT) cells are innate-like T cells that recognize glycolipids presented by CD1d. These cells not only play a key role in the defense against pathogens, but also exert potent immunoregulatory functions. The regulatory role of iNKT cells in the prevention of type 1 diabetes has been demonstrated in murine models and analyzed in diabetic patients...
December 2015: Biomedical Journal
Leonard A Jason, Madison Sunnquist, Bobby Kot, Abigail Brown
The Institute of Medicine recently proposed a new case definition for chronic fatigue syndrome (CFS), as well as a new name, Systemic Exertion Intolerance Disease (SEID). Contrary to the Fukuda et al.'s CFS case definition, there are few exclusionary illnesses specified for this new SEID case definition. The current study explored this decision regarding exclusionary illnesses using the SEID criteria with four distinct data sets involving patients who had been identified as having CFS, as well as healthy controls, community controls, and other illness groups...
2015: Diagnostics
Sanjay K Shukla, Dane Cook, Jacob Meyer, Suzanne D Vernon, Thao Le, Derek Clevidence, Charles E Robertson, Steven J Schrodi, Steven Yale, Daniel N Frank
Myalgic encephalomyelitis/chronic fatigue syndrome (ME/CFS) is a disease characterized by intense and debilitating fatigue not due to physical activity that has persisted for at least 6 months, post-exertional malaise, unrefreshing sleep, and accompanied by a number of secondary symptoms, including sore throat, memory and concentration impairment, headache, and muscle/joint pain. In patients with post-exertional malaise, significant worsening of symptoms occurs following physical exertion and exercise challenge serves as a useful method for identifying biomarkers for exertion intolerance...
2015: PloS One
Alison C Bested, Lynn M Marshall
This review was written from the viewpoint of the treating clinician to educate health care professionals and the public about Myalgic Encephalomyelitis/Chronic Fatigue Syndrome (ME/CFS). It includes: the clinical definition of ME/CFS with emphasis on how to diagnose ME/CFS; the etiology, pathophysiology, management approach, long-term prognosis and economic cost of ME/CFS. After reading this review, you will be better able to diagnose and treat your patients with ME/CFS using the tools and information provided...
2015: Reviews on Environmental Health
Leonard A Jason, Madison Sunnquist, Abigail Brown, Julia L Newton, Elin Bolle Strand, Suzanne D Vernon
BACKGROUND: The Institute of Medicine has recommended a change in the name and criteria for Chronic Fatigue Syndrome (CFS), renaming the illness Systemic Exertion Intolerance Disease (SEID). The new SEID case definition requires substantial reductions or impairments in the ability to engage in pre-illness activities, unrefreshing sleep, post-exertional malaise, and either cognitive impairment or orthostatic intolerance. PURPOSE: In the current study, samples were generated through several different methods and were used to compare this new case definition to previous case definitions for CFS, Myalgic Encephalomyelitis (ME-ICC), Myalgic Encephalomyelitis/Chronic Fatigue Syndrome (ME/CFS), as well as a case definition developed through empirical methods...
July 2015: Fatigue: Biomedicine, Health and Behavior
Eric R Prossnitz, Helen J Hathaway
Estrogens, predominantly 17β-estradiol, exert diverse effects throughout the body in both normal and pathophysiology, during development and in reproductive, metabolic, endocrine, cardiovascular, nervous, musculoskeletal and immune systems. Estrogen and its receptors also play important roles in carcinogenesis and therapy, particularly for breast cancer. In addition to the classical nuclear estrogen receptors (ERα and ERβ) that traditionally mediate predominantly genomic signaling, the G protein-coupled estrogen receptor GPER has become recognized as a critical mediator of rapid signaling in response to estrogen...
September 2015: Journal of Steroid Biochemistry and Molecular Biology
Swapna Upadhyay, Madhulika Dixit
Optimized nutrition through supplementation of diet with plant derived phytochemicals has attracted significant attention to prevent the onset of many chronic diseases including cardiovascular impairments, cancer, and metabolic disorder. These phytonutrients alone or in combination with others are believed to impart beneficial effects and play pivotal role in metabolic abnormalities such as dyslipidemia, insulin resistance, hypertension, glucose intolerance, systemic inflammation, and oxidative stress. Epidemiological and preclinical studies demonstrated that fruits, vegetables, and beverages rich in carotenoids, isoflavones, phytoestrogens, and phytosterols delay the onset of atherosclerosis or act as a chemoprotective agent by interacting with the underlying pathomechanisms...
2015: Oxidative Medicine and Cellular Longevity
Leonard A Jason, Madison Sunnquist, Abigail Brown, Stephanie McManimen, Jacob Furst
The Institute of Medicine (IOM) in the United States has recently proposed that the term systemic exertion intolerance disease (SEID) replace chronic fatigue syndrome. In addition, the IOM proposed a new case definition for SEID, which includes substantial reductions or impairments in the ability to engage in pre‑illness activities, unrefreshing sleep, postexertional malaise, and either cognitive impairment or orthostatic intolerance. Unfortunately, these recommendations for a name change were not vetted with patient and professional audiences, and the new criteria were not evaluated with data sets of patients and controls...
2015: Polskie Archiwum Medycyny Wewnętrznej
Ming-Lung Chuang, Tzu-Chin Wu, Yau-Tung Wang, Yau-Chen Wang, Thomas C-Y Tsao, James Cheng-Chung Wei, Chia-Yin Chen, I-Feng Lin
UNLABELLED: Chronic obstructive pulmonary disease (COPD) is a low grade systemic inflammatory disease characterized by dyspnea and exercise intolerance even under standard therapy. Rhodiola crenulata (RC) has been shown to exert anti-inflammatory effects and to enhance exercise endurance, thereby having the potential to treat COPD. In this 12-week, randomized, double-blind, placebo-controlled clinical trial, 57 patients with stable moderate-to-severe COPD aged 70±8.8 years were given RC (250 mg twice/day) (n=38) or a placebo (250 mg twice/day) (n=19) in addition to their standard regimen...
2015: PloS One
Celine Tard, Ophelie Rouxel, Agnes Lehuen
Type 1 and type 2 diabetes are growing public health problems. Despite having different pathophysiologies, both diseases are associated with defects in immune regulation. Invariant natural killer T (iNKT) cells are innate-like T cells that recognize glycolipids presented by CD1d. These cells not only play a key role in the defense against pathogens, but also exert potent immunoregulatory functions. The regulatory role of iNKT cells in the prevention of type 1 diabetes has been demonstrated in murine models and analyzed in diabetic patients...
June 12, 2015: Biomedical Journal
Satyam Sarma, Benjamin D Levine
Patients with heart failure with preserved ejection fraction (HFpEF) have similar degrees of exercise intolerance and dyspnea as patients with heart failure with reduced EF (HFrEF). The underlying pathophysiology leading to impaired exertional ability in the HFpEF syndrome is not completely understood, and a growing body of evidence suggests "peripheral," i.e., noncardiac, factors may play an important role. Changes in skeletal muscle function (decreased muscle mass, capillary density, mitochondrial volume, and phosphorylative capacity) are common findings in HFrEF...
September 15, 2015: Journal of Applied Physiology
Morton E Tavel
Patients complaining of pain or fatigue in the absence of known physical diseases constitute a high percentage of those seeking general medical care. Depending upon the type of physician/specialist consulted, those individuals may receive disease labels that range from an implied psychological origin such as somatoform or psychosomatic disease, or to a presumed physical disease such as fibromyalgia. Although all these conditions are regularly associated with fatigue, we have provided a new label suggesting another disease category, "systemic exertion intolerance disease," which replaces the previous "chronic fatigue syndrome...
October 2015: American Journal of Medicine
Guo-wei Lu, Guo Shao
Hypoxic preconditioning (HPC) refers to exposure of organisms, systems, organs, tissues or cells to moderate hypoxia/ischemia that is able to result in a resistance to subsequent severe hypoxia/ischemia in tissues and cells. The effects exerted by HPC are well documented. The original local in situ (LiHPC) is now broadened to remote ectopic organs-tissues (ReHPC) and extended crossly to cross pluripotential HPC(CpHPC) induced by a variety of stresses other than hypoxia/ischemia, including cancer, for example...
November 2014: Chinese Journal of Applied Physiology
Frank N M Twisk
The Institute of Medicine (IOM) recently published their report in response to an assignment "to define diagnostic criteria for Myalgic Encephalomyelitis (ME)/chronic fatigue syndrome (CFS), to propose a process for reevaluation of these criteria in the future, and to consider whether a new name for this disease is warranted". The basic pre-assumption of the IOM committee for the development of evidence-based diagnostic criteria for ME/CFS was that ME and CFS denote conditions with similar symptoms, hence ME/CFS...
2015: Current Medical Research and Opinion
L R Lopetuso, F Scaldaferri, G Bruno, V Petito, F Franceschi, A Gasbarrini
OBJECTIVE: Gut barrier is a functional unit organized as a multi-layer system and its multiple functions are crucial for maintaining gut homeostasis. Numerous scientific evidences showed a significant association between gut barrier leaking and gastro-intestinal/extra-intestinal diseases. MATERIALS AND METHODS: In this review we focus on the relationship between gut barrier leaking and human health. At the same time we speculate on the possible new role of gut barrier protectors in enhancing and restoring gut barrier physiology with the final goal of promoting gut health...
2015: European Review for Medical and Pharmacological Sciences
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No abstract text is available yet for this article.
February 21, 2015: Lancet
M Przybylska-Felus, A Furgala, M Zwolinska-Wcislo, M Mazur, A Widera, P Thor, T Mach
Celiac disease (CED) is immune-mediated enteropathy caused by gluten intolerance affecting genetically predisposed individuals. CED may exert a number of various symptoms, including extra intestinal manifestations. Neurological symptoms can be the first sign of gluten intolerance. However, affected autonomic nervous system (ANS) activity may be linked to other symptoms. We evaluated the frequency of ANS impairment and resting ANS response to several stimuli in CED patients without neurological manifestations...
December 2014: Journal of Physiology and Pharmacology: An Official Journal of the Polish Physiological Society
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