ME/CFS Evidence Browser — Classified Studies on Myalgic Encephalomyelitis

5621–5640 of 6,188 studies

E3 PreliminaryReviewPEM unclearReview-Narrative

Cognitive and mood disturbance as causes and symptoms of fatigue in cancer patients.

Valentine, A D, Meyers, C A·Cancer·2001

This review discusses how fatigue, brain fog, and depression are connected in cancer patients and how they may cause or worsen each other. The authors suggest that understanding these connections might help doctors develop better, more personalized treatments that address the specific needs of each patient.

Cognitive Impairment

E3 PreliminaryMechanismPEM not requiredMechanistic

Increased sensitivity to glucocorticoids in peripheral blood mononuclear cells of chronic fatigue syndrome patients, without evidence for altered density or affinity of glucocorticoid receptors.

Visser, J, Lentjes, E, Haspels, I et al.·Journal of investigative medicine : the official publication of the American Federation for Clinical Research·2001

Researchers found that immune cells from ME/CFS patients react more strongly to a stress hormone called dexamethasone (a type of glucocorticoid) than cells from healthy people. However, the cells have the same number of receptors for this hormone and bind it with the same strength, suggesting the heightened sensitivity comes from something happening inside the cells after the hormone attaches, rather than from problems with the receptors themselves.

Immune System

E3 PreliminaryReviewPEM not requiredReview-Narrative

Psychoneuroendocrinological contributions to the etiology of depression, posttraumatic stress disorder, and stress-related bodily disorders: the role of the hypothalamus-pituitary-adrenal axis.

Ehlert, U, Gaab, J, Heinrichs, M·Biological psychology·2001

This study examines how stress affects hormone levels in the body, particularly through a system called the HPA axis that controls the release of cortisol and other stress hormones. The researchers found that people with depression tend to have too much HPA activity, while people with chronic fatigue syndrome and post-traumatic stress disorder tend to have too little. Understanding these differences may help doctors better diagnose and treat these conditions.

Endocrine Disruption

E3 PreliminaryCohortPEM not requiredCross-Sectional

Attitudes regarding chronic fatigue syndrome: the importance of a name.

Jason, L A, Taylor, R R, Stepanek, Z et al.·Journal of health psychology·2001

This study found that what doctors and students call ME/CFS affects how they think about the condition. When it was called "myalgic encephalopathy," people were more likely to believe it had a physical cause in the body. The name used also influenced whether healthcare workers thought patients were truly ill or just depressed. This suggests that even the language we use to describe ME/CFS can shape people's beliefs about how serious it is and how it should be treated.

E3 PreliminaryCommentaryPEM unclearEditorial

[Syndromes in environmental medicine: variants of somatoform disorders].

Wiesmüller, G A, Ebel, H, Hornberg, C·Fortschritte der Neurologie-Psychiatrie·2001

This editorial discusses several conditions related to environmental sensitivities and stress, including ME/CFS, that doctors often struggle to diagnose or treat. The authors note that these conditions may result from a mix of environmental exposures, personal traits, stress, and how the mind interprets these experiences. They emphasize that while doctors don't yet have solid scientific ways to diagnose or treat these conditions, patients' symptoms deserve to be taken seriously.

Diagnostics

E3 PreliminaryReviewPEM unclearReview-Narrative

Cytokines and chronic fatigue syndrome.

Patarca, R·Annals of the New York Academy of Sciences·2001

This study found that people with ME/CFS show signs of immune system activation (more active immune cells and elevated immune signaling molecules), yet paradoxically have weak immune function (poor natural killer cell activity and weak responses to infections). The immune system appears to be stuck in an imbalanced state, favoring certain types of inflammatory responses, which may relate to symptom cycles of improvement and worsening.

Immune System

E3 PreliminaryReviewPEM not requiredReview-Narrative

Mediators of inflammation and their interaction with sleep: relevance for chronic fatigue syndrome and related conditions.

Mullington, J M, Hinze-Selch, D, Pollmächer, T·Annals of the New York Academy of Sciences·2001

This study explores how the body's immune system and sleep are connected, and how this connection might explain the severe fatigue in ME/CFS. Researchers found that when the immune system is activated, it releases chemical messengers called cytokines that can affect sleep quality and cause fatigue. The study suggests that abnormal levels of these immune chemicals in ME/CFS patients could be responsible for the debilitating tiredness that characterizes the condition.

Immune System

E3 PreliminaryCohortPEM unclearCase-Control

Chronic fatigue syndrome following a toxic exposure.

Racciatti, D, Vecchiet, J, Ceccomancini, A et al.·The Science of the total environment·2001

This study looked at five people who developed ME/CFS symptoms after being exposed to toxic substances—either through seafood poisoning or chemical fumes. Researchers compared them to people with ME/CFS that started after viral infections or depression to see if the cause mattered. They found that people whose ME/CFS followed toxic exposure had more significant problems with immune system function than the comparison groups.

Immune System

E3 PreliminaryReviewPEM unclearReview-Narrative

Neuroendocrine mechanisms in fibromyalgia-chronic fatigue.

Buskila, D, Press, J·Best practice & research. Clinical rheumatology·2001

This review examines why fibromyalgia and ME/CFS cause such similar symptoms like fatigue, pain, and problems with the nervous system. Researchers found that both conditions involve problems with hormones, how the body processes pain, and how the autonomic nervous system (which controls automatic body functions) works. The study suggests these conditions may share the same underlying cause: dysfunction in the central nervous system.

Autonomic Nervous System

E3 PreliminaryBehavioralPEM not requiredCross-Sectional

Chronic illness -- a disruption in life: identity-transformation among women with chronic fatigue syndrome and fibromyalgia.

Asbring, P·Journal of advanced nursing·2001

This study looked at how women with ME/CFS and fibromyalgia experience major changes to their sense of self and identity after becoming ill. Researchers interviewed 25 Swedish women about how they adjusted to these illnesses, and found that while the conditions caused significant disruption to their work and social lives, many women also discovered unexpected positive aspects of their new identity as they adapted.

E3 PreliminaryBehavioralPEM not requiredCase-Control

Treatment of chronic fatigue with neurofeedback and self-hypnosis.

Hammond, D C·NeuroRehabilitation·2001

This study describes one young woman with ME/CFS whose main problem was brain fog and difficulty thinking clearly. Doctors found an abnormal brain wave pattern on her EEG scan and treated her with two techniques: neurofeedback (training to change brain wave patterns) and self-hypnosis. She felt significantly better, with improvements in fatigue and mental clarity that lasted for at least 9 months.

Cognitive Impairment

E3 PreliminaryCohortPEM not requiredCase-Control

Ciguatera poisoning: a global issue with common management problems.

Ting, J Y, Brown, A F·European journal of emergency medicine : official journal of the European Society for Emergency Medicine·2001

Ciguatera poisoning is a food-borne illness caused by eating contaminated tropical fish that causes stomach problems, nerve symptoms, and fatigue that can last months or years. This study describes four tourists who recovered well after receiving a specific treatment (intravenous mannitol), but highlights that the condition is often misdiagnosed as chronic fatigue syndrome or other illnesses, delaying proper treatment.

E3 PreliminaryReviewPEM not requiredReview-Narrative

[Problems of chronic fatigue].

Kovaleva, A I, Pyshnov, G Iu·Meditsina truda i promyshlennaia ekologiia·2001

This review examines chronic fatigue syndrome and related conditions like burnout and caroshi (a Japanese term for work-related exhaustion), looking at them as forms of extreme tiredness. The authors suggest these conditions may be linked to workplace stress and occupational demands. The paper considers what these different conditions have in common and how they develop.

E3 PreliminaryMechanismPEM not requiredMechanistic

Detection of immunologically significant factors for chronic fatigue syndrome using neural-network classifiers.

Hanson, S J, Gause, W, Natelson, B·Clinical and diagnostic laboratory immunology·2001

Researchers used advanced computer analysis to find immune system differences in ME/CFS patients that traditional statistical methods had missed. They discovered that ME/CFS patients have lower levels of certain immune cells and higher levels of a chemical messenger called interleukin-4, suggesting their immune system may be stuck in a particular type of response pattern.

Immune System

E3 PreliminaryReviewPEM not requiredReview-Narrative

Neural control of force output during maximal and submaximal exercise.

St Clair Gibson, A, Lambert, M L, Noakes, T D·Sports medicine (Auckland, N.Z.)·2001

This review challenges the common belief that muscle fatigue during exercise comes only from chemical changes in muscles themselves. Instead, the authors propose that the brain and nervous system actively control and limit how hard we can exercise to protect our bodies from damage. Interestingly, they note that people with ME/CFS experience fatigue even at rest, suggesting fatigue may be a protective signal from the nervous system rather than a simple muscle problem.

Post-Exertional Malaise

E3 PreliminaryCohortPEM not requiredCross-Sectional

Assessing attitudes toward new names for chronic fatigue syndrome.

Jason, L A, Eisele, H, Taylor, R R·Evaluation & the health professions·2001

Researchers asked 432 people with ME/CFS and medical professionals what they thought about changing the disease's name from 'chronic fatigue syndrome.' Most people surveyed (86%) agreed a name change was needed, with patients being more supportive than doctors. However, people disagreed about what the new name should be—some preferred 'myalgic encephalopathy' while others favored 'neuro-endocrine immune disorder,' and very few people liked both options equally.

E3 PreliminaryReviewPEM unclearReview-Narrative

Fibromyalgia, chronic fatigue syndrome, and myofascial pain syndrome.

Buskila, D·Current opinion in rheumatology·2001

This review examined fibromyalgia (FM), chronic fatigue syndrome (CFS), and related pain conditions across different countries. Researchers found that pain sensitivity involves brain chemistry (including a system called NMDA), hormone imbalances, and nervous system problems. CFS was found in about 0.4% of a large community sample, with many children recovering well, though the study notes that no major new treatments were tested during this period.

Pain and SensitizationAutonomic Nervous System

E3 PreliminaryReviewPEM not requiredReview-Narrative

Fatigue in primary care.

Morrison, R E, Keating, H J·Obstetrics and gynecology clinics of North America·2001

Fatigue is very common and can have many different causes. Doctors can usually figure out what's causing someone's tiredness through a careful conversation, physical exam, and a few blood tests. In rare cases, people have extreme fatigue lasting 6 months or longer that doesn't have an obvious cause—this may be chronic fatigue syndrome (ME/CFS).

Diagnostics

E3 PreliminaryReviewPEM unclearReview-Narrative

Can fibromyalgia and chronic fatigue syndrome be cured by surgery?

Wilke, W S·Cleveland Clinic journal of medicine·2001

This review article examines whether surgery can cure fibromyalgia and chronic fatigue syndrome (ME/CFS). The author concludes that surgery is not an effective treatment for these conditions. This is important because some patients and providers have explored surgical approaches, but the evidence does not support this as a cure.

Diagnostics

E3 PreliminaryCohortPEM unclear

Recovery from chronic fatigue syndrome associated with changes in neuroendocrine function.

Sharma, A, Oyebode, F, Kendall, M J et al.·Journal of the Royal Society of Medicine·2001

This study looked at whether people who recovered from ME/CFS showed changes in their body's hormone and nervous system function compared to those still sick and healthy controls. The researchers examined whether normalizing these biological systems was connected to getting better from the illness.

Endocrine Disruption

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Cognitive and mood disturbance as causes and symptoms of fatigue in cancer patients.

Increased sensitivity to glucocorticoids in peripheral blood mononuclear cells of chronic fatigue syndrome patients, without evidence for altered density or affinity of glucocorticoid receptors.

Psychoneuroendocrinological contributions to the etiology of depression, posttraumatic stress disorder, and stress-related bodily disorders: the role of the hypothalamus-pituitary-adrenal axis.

Attitudes regarding chronic fatigue syndrome: the importance of a name.

[Syndromes in environmental medicine: variants of somatoform disorders].

Cytokines and chronic fatigue syndrome.

Mediators of inflammation and their interaction with sleep: relevance for chronic fatigue syndrome and related conditions.

Chronic fatigue syndrome following a toxic exposure.

Neuroendocrine mechanisms in fibromyalgia-chronic fatigue.

Chronic illness -- a disruption in life: identity-transformation among women with chronic fatigue syndrome and fibromyalgia.

Treatment of chronic fatigue with neurofeedback and self-hypnosis.

Ciguatera poisoning: a global issue with common management problems.

[Problems of chronic fatigue].

Detection of immunologically significant factors for chronic fatigue syndrome using neural-network classifiers.

Neural control of force output during maximal and submaximal exercise.

Assessing attitudes toward new names for chronic fatigue syndrome.

Fibromyalgia, chronic fatigue syndrome, and myofascial pain syndrome.

Fatigue in primary care.

Can fibromyalgia and chronic fatigue syndrome be cured by surgery?

Recovery from chronic fatigue syndrome associated with changes in neuroendocrine function.

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