The role of stress in inflammatory conditions/CFS

Chronic Fatigue Syndrome (CFS) related conditions (CFSRCs), as defined in Dr Chris Newton’s article, represent a broad range of conditions of ill health for which an element of the symptom complex is fatigue resulting from altered/diminished physiological function.

It is probable that phenomena that are associated with the chronic fatigue process are also shared with other chronic illnesses, most particularly, those that involve infectious agents. In support of this, studies are now suggesting that the body’s own microbiota or metagenome plays a fundamental role in CFSRCs, such as insulin resistance and obesity. … Some of the conditions that lie within the symptom complex of CFSRCs can also be classified under another symptom complex known as affective spectrum disorders(ASDs).

A common element that is emerging for these is chronic inflammation, involving the neuro endocrine, immune, and metabolic systems and also the microbiota/metagenome of the body .

The article develops the idea that a factor controlling or modulating the inflammatory conditions is the body’s stress sensing and management pathways. Stress is defined as any situation to which the body must respond in order to maintain a state of equilibrium. No distinction is made here as to mode of stress; therefore stress can be physical as well as emotional and therefore can be induced by infectious agents and other environmental factors, including diet.

Given the epidemic proportion that obesity is assuming in Western Europe and the United States, this article also discusses the implications of current dietary practices in the light of a stress hypothesis and also the role of the metagenome. Finally, the article concludes with an outline of potential diagnostic and therapeutic interventions that might be made.

Chronic Fatigue Syndrome related conditions (cfsrcs) and the role of the neuroendocrine, immune, metabolic and metagenomic systems: towards better diagnosis and treatment. Dr Chris Newton CIMMS journal 1:1 2012

 

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CFS subgroup with POTS

A research group from Newcastle have studied CFS patients and determined the characteristics of a distinct clinical group of patients that also have postural orthostatic tachycardia syndrome (POTS). Abstract:

OBJECTIVES:  A significant proportion of patients with chronic fatigue syndrome (CFS) also have postural orthostatic tachycardia syndrome (POTS). We aimed to characterise these patients and differentiate them from CFS patients without POTS in terms of clinical and autonomic features.

METHODS:  A total of 179 patients with CFS (1994 Centers for Disease Control and Prevention criteria) attending one of the largest Department of Health-funded CFS clinical services were included in the study. Outcome measures were: (i) symptom assessment tools including the fatigue impact scale, Chalder fatigue scale, Epworth sleepiness scale (ESS), orthostatic grading scale (OGS) and hospital anxiety and depression scale (HADS-A and -D, respectively), (ii) autonomic function analysis including heart rate variability and (iii) haemodynamic responses including left ventricular ejection time and systolic blood pressure drop upon standing.

RESULTS:  CFS patients with POTS (13%, n=24) were younger (29±12 vs. 42±13 years, P<0.0001), less fatigued (Chalder fatigue scale, 8±4 vs. 10±2, P=0.002), less depressed (HADS-D, 6±4 vs. 9±4, P=0.01) and had reduced daytime hypersomnolence (ESS, 7±6 vs. 10±5, P=0.02), compared with patients without POTS. In addition, they exhibited greater orthostatic intolerance (OGS, 11±5; P<0.0001) and autonomic dysfunction. A combined clinical assessment tool of ESS ≤9 and OGS ≥9 identifies accurately CFS patients with POTS with 100% positive and negative predictive values.

CONCLUSIONS:  The presence of POTS marks a distinct clinical group of CFS patents, with phenotypic features differentiating them from those without POTS. A combination of validated clinical assessment tools can determine which CFS patients have POTS with a high degree of accuracy, and thus potentially identify those who require further investigation and consideration for therapy to control heart rate.

Clinical characteristics of a novel subgroup of chronic fatigue syndrome patients with postural orthostatic tachycardia syndrome. I Lewis, J Pairman, G Spickett, JL Newton

 

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Inflammation in ME/CFS greater than in depression

A research trial by a multi-national team compared bio-markers in people with ME/CFS, depression and healthy people.

Background: Depression is an inflammatory disorder while many authors declare myalgic encephalomyelitis/chronic fatigue syndrome (ME/CFS) to be a functional disorder. The aim of the present study is to compare inflammatory and cell-mediated immune (CMI) responses between depression and ME/CFS.

Methods: We measured two proinflammatory cytokines (PICs) in plasma, interleukin-1 (IL-1) and tumor necrosis factor-α (TNF-α), with enzyme-linked immunosorbent assays, and serum neopterin with a radioimmunoassay in controls, ME/CFS and depressive patients.

Results: Plasma PICs were significantly higher in ME/CFS than in depression and higher in both patient groups than in controls. Increased PIC levels in depression were attributable to the presence of fatigue and physio-somatic symptoms. Serum neopterin did not differ significantly between depression and ME/CFS but was higher in both patient groups than in controls. The significant positive correlations between neopterin and either IL-1 or TNF-α were significantly greater in depression than in ME/CFS.

Conclusions: Since PICs cause depression-like behaviors and fatigue/malaise, we suggest that inflammation may play a role in the pathophysiology of ME/CFS and depression. Increased neopterin also seems to contribute to the pathophysiology of both disorders. This study has detected a shared ‘pathway phenotype’, i.e. disorders in inflammatory and CMI pathways, which underpins both ME/CFS and depression and, therefore, may explain the co-occurrence of both disorders. ME/CFS and depression are discriminated from each other by increased PICs in ME/CFS and differences in the immune cell communication networks.

Inflammatory and Cell-Mediated Immune Biomarkers in Myalgic Encephalomyelitis/Chronic Fatigue Syndrome and Depression: Inflammatory Markers Are Higher in Myalgic Encephalomyelitis/Chronic Fatigue Syndrome than in Depression Michael Maes, Frank N.M. Twisk, Karl Ringel

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Oxidative stress and possible early signs of atherosclerosis in CFS

The abstract of a Serbian study:

INTRODUCTION:

Chronic fatigue syndrome (CFS) is a widely recognized problem, characterized by prolonged, debilitating fatigue and a characteristic group of accompanying symptoms, that occurs four times more frequently in women than in men. The aim of the study was to determine the existence of oxidative stress and its possible consequences in female patients with CFS.

MATERIAL AND METHODS:

Twenty-four women aged 15-45 who fulfilled the diagnostic criteria for CFS with no comorbidities were recruited and were age matched to a control group of 19 healthy women. After conducting the routine laboratory tests, levels of the lipid oxidation product malondialdehyde (MDA) and protein oxidation protein carbonyl (CO) were determined.

RESULTS:

The CFS group had higher levels of triglycerides (p =0.03), MDA (p = 0.03) and CO (p = 0.002) and lower levels of HDL cholesterol (p = 0.001) than the control group. There were no significant differences in the levels of total protein, total cholesterol or LDL cholesterol.

CONCLUSIONS:

The CFS group had an unfavorable lipid profile and signs of oxidative stress induced damage to lipids and proteins. These results might be indicative of early proatherogenic processes in this group of patients who are otherwise at low risk for atherosclerosis. Antioxidant treatment and life style changes are indicated for women with CFS, as well as closer observation in order to assess the degree of atherosclerosis.

Lipid and protein oxidation in female patients with chronic fatigue syndrome  Tomic S, Brkic S, Maric D, Mikic AN

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Dr Myhill’s protocol improves mitochondrial function and fatigue

The third in a series of studies on mitochondrial function in ME/CFS has been published. Having established in the first two papers that mitochondrial dysfunction is a central pathophysiological lesion in ME/CFS, the aim of the third study  was to see how well patients respond to a tailored package of treatments and what impact, if any, those treatment packages have on both the ATP profile test results and also on the patient fatigue scores.

Abstract:

We report on an audit of 138 ME/CFS patients who attended a private practice and took the ATP Profile biomedical test. The results revealed that all of these patients had measureable mitochondrial dysfunction. A basic treatment regime, based on 1) eating the evolutionary correct stone-age diet, 2) ensuring optimum hours of good quality sleep, 3) taking a standard package of nutritional supplements, and 4) getting the right balance between work and rest, was recommended for all patients. Additions to the basic regime were tailored for each patient according to the results of the ATP Profile and additional nutritional tests and clues from the clinical history.

Mitochondrial function is typically impaired in two ways: substrate or co-factor deficiency, and inhibition by chemicals, exogenous or endogenous. For the former, additional nutrients are recommended where there is a deficiency, and for the latter, improvement of anti-oxidant status and selective chelation therapy or far-infrared saunas are appropriate.

We show case histories of nine patients who have taken the ATP Profile on three or four occasions, and a before-and-after treatment summary of the 34 patients who have had at least two ATP Profile tests separated by some months. Finally, we summarize the results for the 30 patients who followed all aspects of the treatment regime and compare them with the 4 patients who were lax on two or more aspects of the treatment regime. All patients who followed the treatment regime improved in mitochondrial function by on average a factor of 4.

From the press release:

The nature of this study was an audit – that is to say clinical decisions were made for the benefit of the patient, not for the doctor or researchers. However, the information that this audit yields is very encouraging. Essentially what is shown is that those patients who are able stick to the demanding treatment packages, involving a ‘’stone age’’ low carbohydrate diet, discipline about sleep and pacing, together with a package of nutritional supplements, do indeed improve biochemically reliably well. That is to say their ATP Profile test results improve consequentially with their treatment package compliance. Moreover, most of these biochemical improvements were accompanied by clinical improvements, as measured by patient fatigue scores.

It was also notable that four patients who did not adhere to the treatment packages either saw no improvement or indeed worsened. In a clinical setting, therefore, it is incumbent upon the physician both to understand the difficulties that patients face with such a wide ranging treatment package and also to support fully the patient with the challenges they face.

It is clear from these studies that mitochondrial function is not the only factor in ME/CFS, but it is an important one and correcting mitochondrial function is an essential part of improving functionality and therefore of recovery. Indeed it is my personal view that to put a patient on a graded exercise programme without first checking these essential biochemical parameters is not good medicine. One risks making the patient much more ill because the underlying cause of their disease has not been addressed.

Conversely if the improvement in mitochondrial function, consequent upon compliance with the treatment package, is not paralleled by clinical improvement then there must be a further reason for fatigue.

Targeting mitochondrial dysfunction in the treatment of Myalgic Encephalomyelitis/Chronic Fatigue Syndrome (ME/CFS) – a clinical audit.  Dr Sarah Myhill, Norman E Booth, John McLaren-Howard

Dr Myhill’s website

First two papers: Chronic fatigue syndrome and mitochondrial dysfunction     Mitochondrial dysfunction and the pathophysiology of Myalgic Encephalomyelitis/Chronic Fatigue Syndrome (ME/CFS)

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Reduced cardiac vagal modulation impacts on cognitive performance in CFS

Abstract of Australian research

BACKGROUND:

Cognitive difficulties and autonomic dysfunction have been reported separately in patients with chronic fatigue syndrome (CFS). A role for heart rate variability (HRV) in cognitive flexibility has been demonstrated in healthy individuals, but this relationship has not as yet been examined in CFS. The objective of this study was to examine the relationship between HRV and cognitive performance in patients with CFS.

METHODS:

Participants were 30 patients with CFS and 40 healthy controls; the groups were matched for age, sex, education, body mass index, and hours of moderate exercise/week. Questionnaires were used to obtain relevant medical and demographic information, and assess current symptoms and functional impairment. Electrocardiograms, perceived fatigue/effort and performance data were recorded during cognitive tasks. Between-group differences in autonomic reactivity and associations with cognitive performance were analysed.

RESULTS:

Patients with CFS showed no deficits in performance accuracy, but were significantly slower than healthy controls. CFS was further characterized by low and unresponsive HRV; greater heart rate (HR) reactivity and prolonged HR-recovery after cognitive challenge. Fatigue levels, perceived effort and distress did not affect cognitive performance. HRV was consistently associated with performance indices and significantly predicted variance in cognitive outcomes.

CONCLUSIONS:

These findings reveal for the first time an association between reduced cardiac vagal tone and cognitive impairment in CFS and confirm previous reports of diminished vagal activity.

Full article: Reduced cardiac vagal modulation impacts on cognitive performance in CFS

 

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Paediatric ME/CFS research review

Abstract

Research on pediatric Myalgic Encephalomyelitis/Chronic Fatigue Syndrome (ME/CFS) is reviewed in this article. Many recent articles in this area highlight the existence of key differences between the adult and pediatric forms of the illness. This review article provides an overview of pediatric ME/ CFS, including epidemiology, diagnostic criteria, treatment, and prognosis. Challenges to the field are identified with the hope that in the future pediatric cases of ME/CFS can be more accurately diagnosed and successfully managed.

Pediatric Myalgic Encephalomyelitis/Chronic Fatigue Syndrome by Leonard Jason, Kristen Barker, Abigail Brown

 

 

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CFS and FMS – the same condition?

Dr Benjamin Natelson has conducted a review of research studies comparing CFS and Fibromyalgia and is currently recruiting in the US for a number of studies into the nature of CFS and FM.

Abstract

Chronic fatigue syndrome (CFS) and fibromyalgia (FM) are medically unexplained syndromes that can and often do co-occur. For this reason, some have posited that the two are part of the same somatic syndrome-examples of symptom amplification.

This hypothesis would suggest that few differences exist between the two syndromes.

To evaluate this interpretation, we have searched the literature for articles comparing CFS to FM, reviewing only those articles which report differences between the two.

This review presents data showing differences across a number of parameters-implying that the underlying pathophysiology in CFS may differ from that of FM. We hope that our review encourages other groups to look for additional differences between CFS and FM.

By continuing to preserve the unique illness definitions of the two syndromes, clinicians will be able to better identify, understand and provide treatment for these individuals.

He has identified that the differences fall into these categories:

  • General (e.g., age of onset patterns);
  • Hormone and neurotransmitter dynamics (e.g., regarding somatomedin/growth hormone, melatonin, cortisol, spinal fluid substance P);
  • Genetic profiles, and gene expression (e.g., gene upregulation patterns after exertion)
  • Mechanisms of autonomic function;
  • Muscle biochemistry;
  • Sleep disruption patterns/factors;
  • Comorbidities (e.g., PTSD rates).

Is chronic fatigue syndrome the same illness as fibromyalgia: evaluating the ‘single syndrome’ hypothesis.

 

 

 

 

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Dr Dowsett on ME relapses

To commemorate the life of Dr Betty Dowsett the Young ME Sufferers Trust has posted online an article by her about ME relapses.

There’s No Smoke Without Fire! Some comments on the tendency to replase in ME

She lists the main principles of management as:

  • Conservation of energy
  • Reduction of stress
  • Simplification of work

Construct a lifestyle in which it is possible for the illness to stabilise and the sufferer to progress at their own pace towards realistic ambitions.

More about Dr Dowsett

 

 

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Acupuncture helpful for chronic pain

An American review of studies into pain concluded that acupuncture has a clear effect in reducing chronic pain, more so than standard pain treatment, achieving 50% reduction in pain, compared to a 28% pain reduction for standard pain treatment.

Acupuncture for Chronic Pain: Individual Patient Data Meta-analysis

Other treatment modalities for pain listed by Dr Joseph Mercola in his article featuring this research include Emotional Freedom Technique (EFT), massage, chiropractic adjustments, energy psychology tools, and neuro-structural integration technique (NST.)

Alternatives to over-the-counter and prescription pain medications include astaxanthin, ginger, curcumin, boswellia, cayenne cream, bromelaine, Cetyl Myristoleate, and evening primrose, black currant and borage oils.

Acupuncture Confirmed Helpful for Chronic Pain

 

 

 

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