ME/CFS Evidence Browser — Classified Studies on Myalgic Encephalomyelitis

2422 studies

1541–1560 of 2,422 studies

E3 PreliminaryReviewPEM not requiredReview-Narrative

[Chronic fatigue syndrome and neurotransmitters].

Miwa, Soichi, Takikawa, Osamu·Nihon rinsho. Japanese journal of clinical medicine·2007

This review examines how chemical messengers in the brain called neurotransmitters may be disrupted in ME/CFS. The researchers found that ME/CFS patients may have problems with serotonin and glutamate signaling, possibly triggered by viral infections or genetic differences. These imbalances could help explain why ME/CFS causes such persistent exhaustion.

Energy MetabolismImmune System

E3 PreliminaryMechanismPEM not requiredObservational

[Chronic fatigue syndrome and herpesvirus reactivation].

Kondo, Kazuhiro·Nihon rinsho. Japanese journal of clinical medicine·2007

This study looked at whether two common viruses that hide dormant in our bodies (HHV-6 and HHV-7) wake up and become active during fatigue. Researchers found that healthy people shed more HHV-6 in their saliva when tired from work, but ME/CFS patients did not show this pattern. However, HHV-7 did increase in both groups, suggesting these viruses might be useful markers to measure fatigue objectively.

BiomarkersImmune System

E3 PreliminaryReviewPEM not requiredReview-Narrative

Chronic fatigue syndrome: inflammation, immune function, and neuroendocrine interactions.

Klimas, Nancy G, Koneru, Anne O'Brien·Current rheumatology reports·2007

Researchers studied what causes ME/CFS by looking at genes, immune cells, and hormones in patients. They found that how severe someone's initial viral infection was predicted whether fatigue would last long-term, and that people with ongoing ME/CFS show signs of reactivated viruses and problems with energy-producing structures in their cells. The immune system dysfunction they observed involved specialized infection-fighting cells not working properly.

Immune System

E3 PreliminaryPEM unclear

Chronic fatigue syndrome after Q fever.

Ledina, Dragan, Bradarić, Nikola, Milas, Ivo et al.·Medical science monitor : international medical journal of experimental and clinical research·2007

Q fever is an infection caused by bacteria that can spread from animals to people. While most people recover from acute Q fever, a few develop chronic fatigue that looks like ME/CFS. This report describes three patients who developed post-Q-fever fatigue syndrome and were treated with antibiotics, with mixed results—two improved but one did not.

E3 PreliminaryMechanismPEM unclearCross-Sectional

Abnormal thermoregulatory responses in adolescents with chronic fatigue syndrome: relation to clinical symptoms.

Wyller, Vegard Bruun, Godang, Kristin, Mørkrid, Lars et al.·Pediatrics·2007

This study looked at how the body controls temperature in adolescents with ME/CFS compared to healthy teenagers. Researchers found that people with ME/CFS have abnormal responses to temperature changes, with their bodies struggling to regulate heat and cold properly. The study suggests this problem may be related to dysfunction in the nervous system's control of stress hormones like adrenaline.

Autonomic Nervous System

E3 PreliminaryGuidelinePEM requiredGuideline

Definitions and aetiology of myalgic encephalomyelitis: how the Canadian consensus clinical definition of myalgic encephalomyelitis works.

Carruthers, B M·Journal of clinical pathology·2007

This article discusses how doctors should define and diagnose ME/CFS, emphasizing that clear, consistent definitions help doctors recognize the condition and understand how severely it affects individual patients. The authors argue that good clinical guidelines are essential so doctors can properly diagnose ME/CFS, predict how it will progress, and develop appropriate treatments. They stress that combining what doctors learn from individual patients with scientific research findings creates the best foundation for patient care.

E3 PreliminaryMechanismPEM not requiredCross-Sectional

The association between experimental and clinical pain measures among persons with fibromyalgia and chronic fatigue syndrome.

Geisser, Michael E, Gracely, Richard H, Giesecke, Thorsten et al.·European journal of pain (London, England)·2007

Researchers tested whether laboratory pain tests (using heat and pressure) could predict the pain people with fibromyalgia and ME/CFS experience in daily life. They found that pressure-based tests were better predictors of real-world pain than heat tests, suggesting that pressure stimulation may be a more useful research tool for studying pain in these conditions.

Pain and Sensitization

E3 PreliminaryCohortPEM not requiredCase-Control

Successful use of a primary care practice-specialty collaboration in the care of an adolescent with chronic fatigue syndrome.

Kuo, Dennis Z, Cheng, Tina L, Rowe, Peter C·Pediatrics·2007

This case report describes how one teenager with ME/CFS improved significantly when their regular doctor and a specialized ME/CFS expert worked together as a team, even though they lived in different cities. By staying in regular contact through phone calls and emails and clearly dividing responsibilities, the two doctors were able to manage the teen's symptoms more effectively. The study suggests that this type of teamwork between primary care doctors and specialists can help young people with ME/CFS get better care.

Interventions

E3 PreliminaryCohortPEM unclearCross-Sectional

'What is it like to have ME?': the discursive construction of ME in computer-mediated communication and face-to-face interaction.

Guise, Jennifer, Widdicombe, Sue, McKinlay, Andy·Health (London, England : 1997)·2007

This study examined how people with ME/CFS describe their illness when talking online and face-to-face. Researchers analyzed conversations from 49 internet users and 7 people in support groups to understand how patients talk about their condition. They found that people consistently describe ME/CFS as serious, mysterious, and not caused by psychological factors—ways of talking that help them counter misconceptions and explain why their illness isn't their fault.

E3 PreliminaryMechanismPEM not requiredObservational

[Sleep disturbance in chronic fatigue syndrome].

Kumano-go, Takayuki, Adachi, Hiroyoshi, Sugita, Yoshiro·Nihon rinsho. Japanese journal of clinical medicine·2007

This study looked at sleep problems in ME/CFS patients using a special laser device to measure blood flow patterns during sleep. The researchers found that different ME/CFS patients showed different types of abnormal sleep patterns, suggesting that ME/CFS may actually be several different conditions rather than one single illness. Sleep disturbances like insomnia, oversleeping, and irregular sleep-wake cycles are common in ME/CFS.

Sleep

E3 PreliminaryReviewPEM not requiredReview-Narrative

[Update in Hepatitis C virus associated extrahepatic manifestations].

Sène, D, Saadoun, D, Limal, N et al.·La Revue de medecine interne·2007

This review examines how hepatitis C virus (HCV) can affect parts of the body beyond the liver. The authors discuss various conditions linked to HCV infection, including chronic fatigue, dry mouth and eyes, diabetes, and certain blood cancers. They note that while these connections are documented, scientists still don't fully understand the mechanisms behind them.

Immune System

E3 PreliminaryBehavioralPEM not requiredCross-Sectional

Brief report: The accuracy of parents for the thoughts and feelings of their adolescent suffering from chronic fatigue: a preliminary study of empathy.

Vervoort, Tine, Crombez, Geert, Buysse, Ann et al.·Journal of pediatric psychology·2007

This study looked at whether parents of teenagers with ME/CFS could accurately understand what their child was thinking and feeling. Researchers found that parents were less able to understand their teenager's thoughts and feelings about ME/CFS itself compared to other life situations. Interestingly, teenagers thought their mothers understood them better than their fathers did, even though fathers were actually just as accurate in understanding them.

E3 PreliminaryCohortPEM not requiredCase-Control

[Chronic fatigue syndrome: from misunderstood illness to cause of job fitness management problem and of work total disability in a physiotherapist. Case report].

Belotti, L, Bigoni, F, Pezzoli, F et al.·Giornale italiano di medicina del lavoro ed ergonomia·2007

This study describes the case of a physiotherapist who developed ME/CFS and faced challenges staying in their job. The medical team had to evaluate whether the patient could continue working and eventually helped them obtain disability benefits. The case illustrates the real-world workplace challenges that people with ME/CFS encounter.

E3 PreliminaryReviewPEM unclearReview-Narrative

Myalgic encephalomyelitis: a review with emphasis on key findings in biomedical research.

Hooper, M·Journal of clinical pathology·2007

This review examines what scientific research has discovered about ME/CFS, a complex illness that affects multiple body systems and causes long-lasting tiredness, pain, and other symptoms. The authors discuss not only the medical findings but also how disagreements and differing opinions among doctors and scientists have affected research and care for ME/CFS patients. They emphasize that these broader debates have real consequences for patients seeking answers and proper treatment.

Diagnostics

E3 PreliminaryCommentaryPEM unclearEditorial

Mitochondrial dysfunction and molecular pathways of disease.

Pieczenik, Steve R, Neustadt, John·Experimental and molecular pathology·2007

This article explains that many different diseases—including chronic fatigue syndrome—may share a common problem: damage to mitochondria, the energy-producing parts of our cells. When mitochondria don't work properly, they produce harmful molecules called reactive oxygen species that can further damage cells. The authors suggest that antioxidant treatments and specific urine tests might help doctors treat these conditions more effectively.

Energy Metabolism

E3 PreliminaryBehavioralPEM not requiredLongitudinal

Post concussion syndrome ebb and flow: longitudinal effects and management.

Rees, Roger J, Bellon, Michelle L·NeuroRehabilitation·2007

This study followed 20 adults who had lasting symptoms after a head injury (concussion) for an average of 3.35 years. Participants experienced fatigue, difficulty concentrating, mood changes, and sensitivity to noise. When they received counseling and therapy over two years, some symptoms like irritability improved, but many people still felt fundamentally changed and struggled with feelings of helplessness.

Cognitive Impairment

E3 PreliminaryBehavioralPEM not requiredCase-Control

[Usefulness of growth chart in children and adolescents with chronic fatigue syndrome].

Oki, Junichi, Okubo, Jun·Nihon rinsho. Japanese journal of clinical medicine·2007

This small study looked at growth charts from three young people with chronic fatigue syndrome to see if the charts could help identify what triggered their illness. The researchers found that life events—like overexercise, family stress, or infection—appeared before symptoms like extreme tiredness, nausea, and sleep problems started. While growth charts alone cannot predict who will develop ME/CFS, they may help doctors spot important life changes that happened around the time symptoms began.

E3 PreliminaryCohortPEM not requiredCross-Sectional

Increased serum IgM antibodies directed against phosphatidyl inositol (Pi) in chronic fatigue syndrome (CFS) and major depression: evidence that an IgM-mediated immune response against Pi is one factor underpinning the comorbidity between both CFS and depression.

Maes, Michael, Mihaylova, Ivanka, Leunis, Jean-Claude·Neuro endocrinology letters·2007

This study found that people with ME/CFS and depression have higher levels of specific immune proteins (IgM antibodies) that attack a substance called phosphatidyl inositol in their blood compared to healthy people. These antibody levels were linked to fatigue and depression symptoms, suggesting that an abnormal immune response against this substance might contribute to both conditions.

Immune System

E3 PreliminaryBehavioralPEM not requiredCase-Control

Fibromylagia, chronic fatigue, and adult attention deficit hyperactivity disorder in the adult: a case study.

Young, Joel L, Redmond, Judith C·Psychopharmacology bulletin·2007

This study looked at patients who came to a psychiatry clinic with ADHD symptoms and also had unexplained tiredness and widespread pain—conditions similar to ME/CFS or fibromyalgia. When doctors treated the ADHD with medication, some patients noticed their fatigue and pain improved along with their attention problems. The researchers suggest this might mean these conditions involve how the brain processes information rather than problems in muscles and joints.

Cognitive Impairment

E3 PreliminaryBehavioralPEM not requiredObservational

Orthostatic panic attacks among Vietnamese refugees.

Hinton, Devon E, Hinton, Ladson, Tran, Minh et al.·Transcultural psychiatry·2007

This study looked at Vietnamese refugees who experienced panic attacks triggered by standing up quickly from a sitting or lying position (orthostatic dizziness). The researchers found that these panic attacks were common among this group and were often linked to trauma memories and cultural beliefs about health. The study suggests that doctors treating Vietnamese refugees should check for and treat these specific panic attacks as part of their care.

Autonomic Nervous System

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[Chronic fatigue syndrome and neurotransmitters].

[Chronic fatigue syndrome and herpesvirus reactivation].

Chronic fatigue syndrome: inflammation, immune function, and neuroendocrine interactions.

Chronic fatigue syndrome after Q fever.

Abnormal thermoregulatory responses in adolescents with chronic fatigue syndrome: relation to clinical symptoms.

Definitions and aetiology of myalgic encephalomyelitis: how the Canadian consensus clinical definition of myalgic encephalomyelitis works.

The association between experimental and clinical pain measures among persons with fibromyalgia and chronic fatigue syndrome.

Successful use of a primary care practice-specialty collaboration in the care of an adolescent with chronic fatigue syndrome.

'What is it like to have ME?': the discursive construction of ME in computer-mediated communication and face-to-face interaction.

[Sleep disturbance in chronic fatigue syndrome].

[Update in Hepatitis C virus associated extrahepatic manifestations].

Brief report: The accuracy of parents for the thoughts and feelings of their adolescent suffering from chronic fatigue: a preliminary study of empathy.

[Chronic fatigue syndrome: from misunderstood illness to cause of job fitness management problem and of work total disability in a physiotherapist. Case report].

Myalgic encephalomyelitis: a review with emphasis on key findings in biomedical research.

Mitochondrial dysfunction and molecular pathways of disease.

Post concussion syndrome ebb and flow: longitudinal effects and management.

[Usefulness of growth chart in children and adolescents with chronic fatigue syndrome].

Increased serum IgM antibodies directed against phosphatidyl inositol (Pi) in chronic fatigue syndrome (CFS) and major depression: evidence that an IgM-mediated immune response against Pi is one factor underpinning the comorbidity between both CFS and depression.

Fibromylagia, chronic fatigue, and adult attention deficit hyperactivity disorder in the adult: a case study.

Orthostatic panic attacks among Vietnamese refugees.

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