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A Low-FODMAP Diet Provides Benefits for Functional Gastrointestinal Symptoms but Not for Improving Stool Consistency and Mucosal Inflammation in IBD: A Systematic Review and Meta-Analysis.
Peng, Z, Yi, J, Liu, X
Nutrients. 2022;14(10)
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Plain language summary
The low-FODMAP diet eliminates carbohydrates that cannot be easily digested in order to reduce functional gastrointestinal symptoms associated with irritable bowel disease (IBD). The symptoms of irritable bowel disease include abdominal pain and bloating. This systematic review and meta-analysis aimed to evaluate whether a low-FODMAP diet can alleviate functional gastrointestinal symptoms in individuals with inflammatory bowel disease. In comparison with a regular diet, a low-FODMAP diet significantly reduced symptoms of bloating, wind, flatulence, abdominal pain, fatigue, and lethargy in patients with IBD. In addition, patients with Crohn's disease have achieved remission or reduced symptoms after following a low-FODMAP diet. Healthcare professionals can use this study to understand better the effects of a low-FODMAP diet on patients with IBD who have functional gastrointestinal symptoms. Further robust studies are, however, required to evaluate the evidence's robustness and identify the mechanism behind the improvement of symptoms.
Expert Review
Conflicts of interest:
None
Take Home Message:
- LFD use in IBD improved symptoms of bloating, wind or flatulence, borborygmi, abdominal pain, and fatigue or lethargy, but not nausea and vomiting.
Evidence Category:
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X
A: Meta-analyses, position-stands, randomized-controlled trials (RCTs)
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B: Systematic reviews including RCTs of limited number
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C: Non-randomized trials, observational studies, narrative reviews
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D: Case-reports, evidence-based clinical findings
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E: Opinion piece, other
Summary Review:
Introduction
This meta-analysis assesses the efficacy of a low fermentable oligosaccharides, disaccharides, monosaccharides, and polyols diet (LFD) in inflammatory bowel disease [IBD: ulcerative colitis (UC) and Crohn’s disease (UC)] participants with functional gastrointestinal symptoms (FGSs).
Methods
A search was performed on PubMed, Web of Science, EMBASE, Cochrane Central Register of Controlled Trials, Chinese National Knowledge Infrastructure (CNKI), WanFang (Chinese) Database up to March 2022. Quality assessment of all included studies was performed.
Results
9 studies (4 randomised controlled trials, 5 non-randomised studies) with a total of 351 participants diagnosed with IBD were included, and compared LFD with a placebo diet or normal diet (ND), overall and individual
LFD Effects of FGS:
- Overall 9 studies: an improvement (0.47, 0.33–0.66, p = 0.0000)
- No difference in the subgroup classified by disease type
- CD and UC: no improvement
Individual improvement:
- Bloating (0.37, 0,24-0,57, p=0.0000); wind or flatulence (0.38, 0,28-0,51, p=0.0000); borborygmi (0.48, 0,26-0,89, p=0.0000), abdominal pain (0.5, 0,37-0,68, p=0.0000), fatigue/lethargy (0.71, 0,61-0,82, p=0.0000)
- No difference in nausea and vomiting (0.54, 0,22-1,32, p=018)
IBS Quality of Life Score:
- 2 studies: reduced Short IBD Questionnaire (SIBDQ) score (11.24, 6.61-15.87, p=0.0000)
Bristol Stool Form Chart:
- 2 studies: normal stool consistency (type 3-4); no difference (5.99, 0.17-216.51, p=0.33)
- 2 other studies: no difference (-0.17, 0.48 - 0.15, p=0.30)
Diseases activity (Harvey-Bradshaw index):
- 2 studies using the Mayo score: no difference (-32, -1,09-0.45, p=0.41)
- 3 studies using BHi score: reduction (-1.09, -1,77-0.42, p=0.002)
Faecal calprotectin:
- 2 studies: no change (-16.03, -36,78-4.73, p=0.13)
Limitations
- Comparison diets were not standardised, suggesting the potential of different dietary habits to bias results..
- Heterogeneity of included studies, and the relatively small sample size of the studies can reduce the reliability of the results.
Conclusion
While the study found inconsistent definition standards for FGS, all the nine studies showed that LFD was associated with an improvement in some symptoms.
Clinical practice applications:
- This study suggests that IBD patients with FGSs may benefit from LFD treatment with the assistance of a healthcare professional.
Considerations for future research:
- This study has shown that LFD can improve FGSs in IBD, but further research with a larger sample size and more comprehensive analysis is warranted to replicate the results.
- The description of the findings and Quality of Life data are a little unclear. The impact on Quality of Life warrants further investigation, as clinicians need to consider the impact of following a restrictive diet on Quality of Life.
Abstract
BACKGROUND A low fermentable oligosaccharides, disaccharides, monosaccharides, and polyols diet (LFD) is claimed to improve functional gastrointestinal symptoms (FGSs). However, the role of LFD in inflammatory bowel disease (IBD) patients with FGSs remains unclear. OBJECTIVE To systematically assess the efficacy of LFD in IBD patients with FGSs. METHODS Six databases were searched from inception to 1 January 2022. Data were synthesized as the relative risk of symptoms improvement and normal stool consistency, mean difference of Bristol Stool Form Scale (BSFS), Short IBD Questionnaire (SIBDQ), IBS Quality of Life (IBS-QoL), Harvey-Bradshaw index (HBi), Mayo score, and fecal calprotectin (FC). Risk of bias was assessed based on study types. A funnel plot and Egger's test were used to analyze publication bias. RESULTS This review screened and included nine eligible studies, including four randomized controlled trials (RCTs) and five before-after studies, involving a total of 446 participants (351 patients with LFD vs. 95 controls). LFD alleviated overall FGSs (RR: 0.47, 95% CI: 0.33-0.66, p = 0.0000) and obtained higher SIBDQ scores (MD = 11.24, 95% CI 6.61 to 15.87, p = 0.0000) and lower HBi score of Crohn's disease (MD = -1.09, 95% CI -1.77 to -0.42, p = 0.002). However, there were no statistically significant differences in normal stool consistency, BSFS, IBS-QoL, Mayo score of ulcerative colitis, and FC. No publication bias was found. CONCLUSIONS LFD provides a benefit in FGSs and QoL but not for improving stool consistency and mucosal inflammation in IBD patients. Further well-designed RCTs are needed to develop the optimal LFD strategy for IBD.
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Effects of Antioxidants on Pain Perception in Patients with Fibromyalgia-A Systematic Review.
Fernández-Araque, A, Verde, Z, Torres-Ortega, C, Sainz-Gil, M, Velasco-Gonzalez, V, González-Bernal, JJ, Mielgo-Ayuso, J
Journal of clinical medicine. 2022;11(9)
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Fibromyalgia (FM) is characterised by widespread chronic pain, fatigue, sleep disturbances, and cognitive impairment. As a result of oxidative stress, reactive oxygen species (ROS) are produced and improperly disposed of, resulting in peripheral and central sensitisations, and a reduction of the pain threshold in FM patients. It is well known that antioxidants are protective against oxidative stress and that reducing antioxidant levels can result in increased pain in patients with FM. An overview of 17 studies was conducted to evaluate the effect of antioxidant supplementation on pain perception and the appropriate duration of treatment for FM patients in this systematic review. This systematic review found that supplementation with Fibromyalgine® (Fib) (that contains vitamin C, acerola ginger root, and freeze-dried royal jelly), 300-400 gm/d of coenzyme Q10 alone in combination with Pregabalin, ferric carboxymaltose, vitamin C, E, and Nigella sativa, magnesium + amitriptyline, acetyl L-carnitine, and Sun Chlorella™ green algae are effective in reducing pain perception in FM patients. In patients with FM, alpha-lipoic acid supplementation significantly reduced pain scores. 80% of FM patients reported reduced pain after supplement treatment for at least six weeks. There is a need for further robust long-term studies to confirm the effectiveness and clinical applicability of antioxidants in the management of FM, as well as to identify the pathophysiology of FM. This research may, however, be used by healthcare professionals to gain a better understanding of the potential benefits of antioxidants in the treatment of pain associated with FM.
Abstract
In recent years, antioxidant supplements have become popular to counteract the effects of oxidative stress in fibromyalgia and one of its most distressing symptoms, pain. The aim of this systematic review was to summarize the effects of antioxidant supplementation on pain levels perceived by patients diagnosed with fibromyalgia. The words used respected the medical search terms related to our objective including antioxidants, fibromyalgia, pain, and supplementation. Seventeen relevant articles were identified within Medline (PubMed), Scopus, Web of Science (WOS), the Cochrane Database of Systematic Review, and the Cochrane Central Register of Controlled Trials. This review found that antioxidant supplementation is efficient in reducing pain in nine of the studies reviewed. Studies with a duration of supplementation of at least 6 weeks showed a benefit on pain perception in 80% of the patients included in these studies. The benefits shown by vitamins and coenzyme Q10 are remarkable. Further research is needed to identify the effects of other types of antioxidants, such as extra virgin olive oil and turmeric. More homogeneous interventions in terms of antioxidant doses administered and duration would allow the effects on pain to be addressed more comprehensively.
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Mediterranean Style Dietary Pattern with High Intensity Interval Training in Men with Prostate Cancer Treated with Androgen Deprivation Therapy: A Pilot Randomised Control Trial.
Baguley, BJ, Adlard, K, Jenkins, D, Wright, ORL, Skinner, TL
International journal of environmental research and public health. 2022;19(9)
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The use of androgen deprivation therapy (ADT) has coincided with improvements in disease control and improved overall survivorship in many men treated for prostate cancer. Exercise and nutrition interventions during and/or after ADT are strongly recommended to mitigate or improve body composition and reduce cardiometabolic side effects. The aim of this study was to examine the combined effects of a Mediterranean diet (MED-diet) and high intensity interval training (HIIT) on cardiorespiratory fitness, body composition and quality of life, compared to usual care, in men with prostate cancer treated with ADT. This study is a two-arm randomised controlled trial. Participants (n = 23) were randomly allocated to either an intervention or usual care group in a 1:1 ratio. Results show that for men with prostate cancer undergoing ADT, a MED-diet with HIIT compared to usual care at 20 weeks (i) significantly improved cardiorespiratory fitness relative; (ii) reduced body weight; (iii) maintained lean body mass despite achieving weight loss; (iv) significantly improved vitality and mental health composite, and clinical improvements were seen in prostate-cancer specific quality of life and cancer-related fatigue. Authors conclude that future larger-scale trials examining the MED-diet with HIIT on cardiorespiratory fitness, body composition and quality of life would help to extend the findings of their study.
Abstract
Background: Androgen deprivation therapy (ADT) in prostate cancer has been shown to deteriorate body composition (reduced lean mass and increased body and fat mass) and increase the risk of cardiovascular morbidity. The Mediterranean style dietary pattern (MED-diet) and high intensity interval training (HIIT) may synergistically alleviate these side effects and improve quality of life in men treated with ADT. Methods: Twenty-three men (65.9 ± 7.8 years; body mass index: 29.6 ± 2.7 kg/m2; ADT duration: 33.8 ± 35.6 months) receiving ADT for ≥3 months were randomly assigned (1:1) to 20 weeks of usual care or the MED-diet (10 nutrition consults) with HIIT (4 × 4 min 85−95% heart rate peak, 3× week, starting at 12 weeks). Results: The MED-diet with HIIT significantly improved cardiorespiratory fitness (+4.9 mL·kg−1·min, p < 0.001), and body mass (−3.3 kg, p < 0.001) compared to the usual care group at 20 weeks. Clinically meaningful (≥3 points) improvements were seen in quality of life and cancer-related fatigue after 20 weeks. Conclusions: The MED-diet with HIIT increased cardiorespiratory fitness and reduced body weight in men with prostate cancer treated with ADT. Larger trials determining whether the MED-diet with HIIT translates to cardiovascular benefits are warranted.
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Long Covid: could chronic fatigue syndrome be taken seriously at last?
Pharma Technology Focus is the essential reading material for decision-makers in the pharmaceutical industry, bringing you the latest news and analysis in an exciting, interactive format. This digital magazine brings together the latest insights and innovations from across the industry, including new discoveries, R&D and clinical trials, manufacturing technologies and supply chain management, as well as insiders’ views and in-depth analysis of the latest market and investment trends and regulatory changes affecting the industry.
2021
Abstract
Around one in ten patients who recovered from Covid-19 are experiencing post-viral infection symptoms, also referred to as long Covid syndrome. This currently widespread condition seems to mirror symptoms of post-viral myalgic encephalomyelitis (ME) aka chronic fatigue syndrome (CFS), a chronic condition that still struggles to be understood. These symptoms include: extreme tiredness, brain fog, joints ache and flu-like symptoms. While long Covid has already drawn the attention of national institutes for research and is being clinically recognised as a condition, ME sufferers feel neglected and unheard. The article aims to explain how the surge in long Covid research fundings could be a turning point for the ME community too, “even when some patients may feel it’s too little too late”.
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The Functional Medicine Approach To Treating COVID-19 And Post-COVID Syndrome
Dr. Mark Hyman is a practicing family physician and an internationally recognised leader, speaker, educator, and advocate in the field of Functional Medicine. He is the founder and director of The UltraWellness Center, the Head of Strategy and Innovation of the Cleveland Clinic Center for Functional Medicine, a thirteen-time New York Times bestselling author, and Board President for Clinical Affairs for The Institute for Functional Medicine.
2021
Abstract
In this podcast episode, Dr Hyman and his guest, Dr Hanaway, dive into the current state of the Covid-19 pandemic and about their clinical experience treating patients. They emphasise how integrative practices have shown to reduce hospitalizations from Covid 8-times more than conventional treatments alone, pointing out that it’s not about dismissing the conventional treatment methods, but rather bringing together the two. Moreover, they talk about the post-Covid syndrome and how functional and integrative treatments are key in clinical practice when addressing this problem.
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The Problem of ‘Long Haul’ COVID
Scientific American covers the advances in research and discovery that are changing our understanding of the world and shaping our lives. Founded 1845, it is the oldest continuously published magazine in the United States and now reaches more than 10 million people around the world each month through its website, print and digital editions, newsletters and app.
2021
Abstract
Long COVID is very real and its chronic health manifestations can be quite debilitating. This article aims to shed light on the complications of this syndrome, which is affecting a significant number of individuals. The persistent effects are wide-ranging and include cognitive issues like brain fog and memory/attention problems, shortness of breath, increased heart rate, nausea, diarrhea, intermittent spiking fevers. Authors report that much more research and care provision strategies are urgently needed in order to tackle the post-viral pandemic we are facing.
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Management of post-acute covid-19 in primary care
The British Medical Journal (BMJ) is a global healthcare knowledge provider with a vision for a healthier world. It shares knowledge and expertise to improve healthcare outcomes. They publish more than 70 medical and allied science journals.
2021
Abstract
The article offers a thorough analysis of post-acute COVID-19, relating to those patients who have experienced a delayed recovery from the infection. These patients can be divided into two categories: those who have serious thromboembolic complications, and those with a non-specific clinical picture, mainly characterised by breathlessness and fatigue. Based on the UK COVID Symptom Study, in which people enter their ongoing symptoms on a smartphone app, around 10% of patients who tested positive remain unwell beyond three weeks, and a smaller proportion for months. A recent study in the US also found that only 65% of people had returned to their previous health level 14-21 days after a positive test. The authors discuss further the urge for clinical management of long-COVID to revolve around a whole-patient perspective, highlighting that no evidence-based recommendations for the management of post-acute covid-19 exist yet.
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Long covid: How to define it and how to manage it
The British Medical Journal (BMJ) is a global healthcare knowledge provider with a vision for a healthier world. It shares knowledge and expertise to improve healthcare outcomes. They publish more than 70 medical and allied science journals.
2021
Abstract
The focus of this webinar is the phenomenon of long COVID. A panel of experts discusses its symptoms, course and suggests strategies for management and prognosis. Some of these experts have personally experienced long-Covid themselves and share what they have learned and the response they have had. While studies have shown that fatigue is the most common symptom in long-haulers, many questions in regards to diagnosis of the syndrome and recovery still remain unclear.
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Functional Nutrition & EBV with Dr. Kasia Kines
Genova Diagnostics' podcast, The Lab Report, is focused on functional & integrative medicine, specialty laboratory diagnostics, and natural therapeutics. Join hosts Michael Chapman, ND, Patti Devers, DO, and assorted guests, as they bring their own unique style to the health & wellness discussion. It is aimed at providing the same type of educational content that Genova is well-known for but to a larger audience of functional & integrative practitioners of all experience levels.
2021
Abstract
Dr. Kasia Kines, the guest of this episode of the podcast, holds a doctorate degree in Clinical Nutrition and has helped thousands of patients get to the root cause of their illnesses. Dr. Kines is a key opinion leader on the Epstein-Barr virus and. In this episode, Dr Kines discusses how the reactivation of chronic EBV infection can impact health while analysing the interplay of nutritional interventions, toxic exposure, and stress in chronic EBV. She delves into the pros and cons of monolaurin as a therapeutic treatment, highlighting the importance of literature-backed clinical applications of nutraceuticals such as selenium.
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The Effect of Nutritional Therapy for Yeast Infection (Candidiasis) in Cases of Chronic Fatigue Syndrome
The Journal of Orthomolecular Medicine has led the way for a quarter century in presenting new health concerns and treatments including: Candidiasis; Mercury Amalgam Toxicity; Niacin Therapy for Schizophrenia and Coronary Disease; Chronic Fatigue Syndrome; Vitamin C and Cancer; Allergies and Behavioural Disorders; Drug and Alcohol Abuse; Tissue and Mineral Analysis; and Orthomolecular Treatment for AIDS and Cardiovascular Disease.
2021
Abstract
The objective of this study was to evaluate the effectiveness of nutritional therapy for yeast infection in cases of medically diagnosed Chronic Fatigue Syndrome/ME. Forty participants received individual nutritional advice for treating yeast infection (candidiasis) over the course of one year. Whilst there were numerous confounding variables (stress, glucose tolerance, use of steroid treatments/ HRT/ contraceptive pill and age) and the drop-out rate was high (18 subjects completed the year), analysis indicated a relatively strong positive correlation between candida and CFS/ME at the start of the study. The average fall in CFS/ME symptom scores throughout the year was 30.5%, with one participant achieving a 100% reduction in symptoms. 83% of participants experienced some reduction in CFS/ME symptoms scores. Higher than average stress scores and use of steroids/HRT/contraceptive pill all negatively impacted CFS/ME scores despite following an anti-candida protocol. Nutrition practitioners may want to consider dietary strategies for candida when working with clients with CFS/ME.