ME/CFS Evidence Browser — Classified Studies on Myalgic Encephalomyelitis

5401–5420 of 6,211 studies

E3 PreliminaryMechanismPEM unclearCross-Sectional

Polymorphisms in genes regulating the HPA axis associated with empirically delineated classes of unexplained chronic fatigue.

Smith, Alicia K, White, Peter D, Aslakson, Eric et al.·Pharmacogenomics·2006

This study looked at whether different genetic variations in the stress-response system (HPA axis) and mood-related brain chemistry might explain why ME/CFS affects people differently. Researchers identified five distinct subgroups of people with chronic fatigue and found that three of these groups had different versions of specific genes compared to healthy people, suggesting that ME/CFS may not be one disease but rather several different conditions with different underlying genetic causes.

Endocrine Disruption

E3 PreliminaryReviewPEM unclearReview-Narrative

The debate: myalgic encephalomyelitis and chronic fatigue syndrome.

Shepherd, Charles·British journal of nursing (Mark Allen Publishing)·2006

This article discusses the ongoing disagreement among doctors and researchers about ME/CFS, including what causes it and how to treat it. The author explains that while we still don't fully understand what causes the illness, we are learning more about the factors that may trigger or worsen it. Good news: doctors now have treatments available that can help reduce symptoms and improve quality of life for patients, rather than simply accepting the illness as untreatable.

Interventions

E3 PreliminaryReviewPEM unclearReview-Narrative

Q fever.

Parker, Neil R, Barralet, Jennifer H, Bell, Alan Morton·Lancet (London, England)·2006

Q fever is an infection spread from animals to humans that usually causes flu-like symptoms, pneumonia, and liver inflammation. While most people recover on their own, some develop serious heart infections or long-term complications including chronic fatigue syndrome. This review describes Q fever's various presentations and available vaccines, with notes that awareness and symptoms vary by region.

E3 PreliminaryReviewPEM unclearReview-Narrative

Cognitive dysfunction in fibromyalgia and chronic fatigue syndrome: new trends and future directions.

Glass, Jennifer M·Current rheumatology reports·2006

Many people with fibromyalgia and chronic fatigue syndrome report problems with memory and thinking clearly. When researchers tested these patients' cognitive abilities, they found real difficulties with memory and how quickly patients process information. Brain imaging studies showed that patients' brains work differently during thinking tasks, requiring more activation than expected.

Cognitive Impairment

E3 PreliminaryReviewPEM not requiredReview-Narrative

[On the important role of Siguan points in treatment of chronic fatigue syndrome].

Wang, Jing-jing, Meng, Hong, Cui, Cheng-bin et al.·Zhongguo zhen jiu = Chinese acupuncture & moxibustion·2006

This study examined whether a traditional Chinese medicine acupuncture technique called Siguan points might help treat chronic fatigue syndrome (ME/CFS). The researchers reviewed existing literature on this acupuncture method and concluded that using Siguan points as the main treatment approach showed promise for improving ME/CFS symptoms.

Interventions

E3 PreliminaryReviewPEM unclearReview-Narrative

Conceptual issues in undifferentiated somatoform disorder and chronic fatigue syndrome.

van Staden, Werdie C W·Current opinion in psychiatry·2006

This paper examines why it can be difficult to distinguish between two conditions that both cause severe tiredness: undifferentiated somatoform disorder (a condition where physical symptoms occur without clear medical causes) and ME/CFS. The author argues that a key difference may be how patients experience their fatigue—some describe it as purely physical rather than mental—and that this distinction has not been properly studied or recognized in ME/CFS research.

Diagnostics

E3 PreliminaryMechanismPEM not requiredMechanistic

Cardiovascular systemic regulation by plantar surface stimulation.

Madhavan, Guruprasad, Stewart, Julian M, McLeod, Kenneth J·Biomedical instrumentation & technology·2006

This study tested whether gentle vibrations applied to the bottom of the foot could help stabilize blood pressure and heart rate when people sit down. Researchers found that vibrations at a specific frequency (around 44 Hz) significantly reduced the normal drop in blood pressure that occurs with sitting, and were especially helpful for people whose blood pressure drops excessively.

Autonomic Nervous System

E3 PreliminaryReviewPEM not requiredReview-Narrative

Illnesses you have to fight to get: facts as forces in uncertain, emergent illnesses.

Dumit, Joseph·Social science & medicine (1982)·2006

This study examines why ME/CFS and multiple chemical sensitivity remain controversial and hard to get diagnosed. Researchers found that patients often struggle because doctors and institutions lack clear biological evidence for these illnesses, and they use scientific uncertainty as a reason to deny patients care and legitimacy. Patients have responded by documenting these exclusions and developing their own strategies to fight back.

Diagnostics

E3 PreliminaryCohortPEM not requiredCross-Sectional

Chronic fatigue syndrome is accompanied by an IgM-related immune response directed against neopitopes formed by oxidative or nitrosative damage to lipids and proteins.

Maes, Michael, Mihaylova, Ivana, Leunis, Jean-Claude·Neuro endocrinology letters·2006

This study found that people with ME/CFS have higher levels of immune antibodies (IgM) attacking damaged fats and proteins in their bodies. These antibodies target substances created when cells are damaged by oxidative stress—a harmful process where the body's natural defenses become imbalanced. The more severe someone's ME/CFS symptoms were, the higher their antibody levels tended to be.

BiomarkersImmune System

E3 PreliminaryDiagnosticPEM not requiredMethods-Paper

The challenge of integrating disparate high-content data: epidemiological, clinical and laboratory data collected during an in-hospital study of chronic fatigue syndrome.

Vernon, Suzanne D, Reeves, William C·Pharmacogenomics·2006

Researchers invited people with ME/CFS, people with other unexplained fatigue illnesses, and healthy controls to stay in a hospital for 2 days. During the visit, they measured brain chemicals, nervous system function, immune markers, and gene activity. A team of 20 scientists from different fields worked together to find new ways to understand all this information and look for biological markers that might explain ME/CFS.

Sleep

E3 PreliminaryMechanismPEM not requiredMechanistic

Brain cytokines and the 5-HT system during poly I:C-induced fatigue.

Katafuchi, Toshihiko, Kondo, Tetsuya, Take, Sachiko et al.·Annals of the New York Academy of Sciences·2006

This study investigated how the brain's immune system might cause fatigue by looking at what happens when rats are exposed to a viral-like trigger. Researchers found that certain immune molecules in the brain (interferons) increased while a key fatigue-related brain chemical (serotonin) decreased. When they gave the rats a medication that boosted serotonin activity, the fatigue improved, suggesting that low serotonin in a specific brain region may play a role in fatigue.

Immune System

E3 PreliminaryReviewPEM unclearReview-Narrative

Chronic fatigue syndrome.

Nursing times·2006

This article provides an overview of chronic fatigue syndrome (ME/CFS) for nursing professionals. It covers the basic understanding of the condition, its impact on patients, and how healthcare providers can better support people living with ME/CFS.

E3 PreliminaryDiagnosticPEM not requiredMethods-Paper

Brief and distinct empirical sleepiness and fatigue scales.

Bailes, Sally, Libman, Eva, Baltzan, Marc et al.·Journal of psychosomatic research·2006

Doctors and patients often use the words 'sleepiness' and 'fatigue' interchangeably, but they actually describe different experiences. This study created two short, separate questionnaires—one to measure sleepiness (the urge to sleep) and one to measure fatigue (overall exhaustion)—by pulling items from existing popular fatigue and sleepiness scales. Testing these new scales on people with ME/CFS, narcolepsy, and healthy controls showed they measure distinct conditions that may respond to different treatments.

SleepDiagnostics

E3 PreliminaryMechanismPEM not requiredCross-Sectional

Gene expression correlates of unexplained fatigue.

Whistler, Toni, Taylor, Renee, Craddock, R Cameron et al.·Pharmacogenomics·2006

Researchers examined blood samples from hundreds of people to find which genes are connected to fatigue in ME/CFS. They looked at over 20,000 genes and found that 839 of them showed a relationship with fatigue levels. Many of these genes are involved in energy production and metabolism in the body, though about half of the genes they found don't yet have clear functions identified.

Energy Metabolism

E3 PreliminaryCohortPEM not requiredObservational

Causes of death among patients with chronic fatigue syndrome.

Jason, Leonard A, Corradi, Karina, Gress, Sara et al.·Health care for women international·2006

This study looked at 166 people with ME/CFS who had passed away to understand what caused their deaths. The researchers found that heart failure, suicide, and cancer were the three leading causes, together accounting for nearly 60% of deaths. Notably, people with ME/CFS who died from cancer or suicide were much younger—in their late 30s to mid-40s—compared to people in the general population who died from these same causes.

E3 PreliminaryReviewPEM not requiredReview-Narrative

Protective efficacy, immunotherapeutic potential, and safety of hepatitis B vaccines.

Zuckerman, Jane N·Journal of medical virology·2006

This review examines hepatitis B vaccines, which are widely used and have an excellent safety record across over 150 countries. The authors specifically addressed concerns about whether these vaccines cause chronic fatigue syndrome, and found no evidence of such a connection. The study looked at how well these vaccines work, why some people don't respond to them, and potential new ways to use them to treat hepatitis B infection.

Immune System

E3 PreliminaryBehavioralPEM not requiredObservational

Chronic Fatigue Syndrome: An Evaluation of a Community Based Management Programme for Adolescents and their Families.

Ashby, Bernadette, Wright, Barry, Jordan, Jo·Child and adolescent mental health·2006

This study looked at how a community-based treatment program helped young people with ME/CFS and their families. Researchers interviewed teenagers and parents about their experience with an approach that combined physical rehabilitation with attention to both body and mind. The families reported improvements across the key areas addressed, and most valued this collaborative treatment method.

E3 PreliminaryDiagnosticPEM not requiredMethods-Paper

Interpreter of maladies: redescription mining applied to biomedical data analysis.

Waltman, Peter, Pearlman, Alex, Mishra, Bud·Pharmacogenomics·2006

This paper describes a new computational method for analyzing complex medical data to better understand disease causes. The authors explain how combining genetic, protein, and clinical information from patients and healthy people can reveal hidden patterns that explain why diseases like ME/CFS occur and progress. They demonstrate this approach using a large CDC dataset from patients with ME/CFS.

Biomarkers

E3 PreliminaryReviewPEM unclearReview-Narrative

Exercise prescription for individuals with chronic fatigue syndrome.

Wallman, Karen E, Morton, Alan R, Goodman, Carmel et al.·The Medical journal of Australia·2005

This review article examines how exercise should be prescribed for people with ME/CFS, looking at what is known from medical literature. The authors discuss different approaches to exercise and what safety considerations are important for this patient group. The review helps clarify when and how exercise might be appropriate for ME/CFS patients.

E3 PreliminaryReviewPEM unclearReview-Narrative

[Diagnosing asthenia and chronic fatigue syndrome].

Aslangul, Elisabeth, Le Jeunne, Claire·La Revue du praticien·2005

This article discusses how doctors can distinguish between general tiredness (asthenia) and ME/CFS, which is a serious long-term illness characterized by severe fatigue that doesn't improve with rest. The authors review the clinical features and diagnostic approaches that help healthcare providers identify ME/CFS in their patients. Understanding these differences is important so patients receive appropriate diagnosis and care.

Diagnostics

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Evidence browser

Polymorphisms in genes regulating the HPA axis associated with empirically delineated classes of unexplained chronic fatigue.

The debate: myalgic encephalomyelitis and chronic fatigue syndrome.

Q fever.

Cognitive dysfunction in fibromyalgia and chronic fatigue syndrome: new trends and future directions.

[On the important role of Siguan points in treatment of chronic fatigue syndrome].

Conceptual issues in undifferentiated somatoform disorder and chronic fatigue syndrome.

Cardiovascular systemic regulation by plantar surface stimulation.

Illnesses you have to fight to get: facts as forces in uncertain, emergent illnesses.

Chronic fatigue syndrome is accompanied by an IgM-related immune response directed against neopitopes formed by oxidative or nitrosative damage to lipids and proteins.

The challenge of integrating disparate high-content data: epidemiological, clinical and laboratory data collected during an in-hospital study of chronic fatigue syndrome.

Brain cytokines and the 5-HT system during poly I:C-induced fatigue.

Chronic fatigue syndrome.

Brief and distinct empirical sleepiness and fatigue scales.

Gene expression correlates of unexplained fatigue.

Causes of death among patients with chronic fatigue syndrome.

Protective efficacy, immunotherapeutic potential, and safety of hepatitis B vaccines.

Chronic Fatigue Syndrome: An Evaluation of a Community Based Management Programme for Adolescents and their Families.

Interpreter of maladies: redescription mining applied to biomedical data analysis.

Exercise prescription for individuals with chronic fatigue syndrome.

[Diagnosing asthenia and chronic fatigue syndrome].

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