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Tenth year reenrollment randomized trial investigating the effects of childhood probiotics and calcium supplementation on height and weight at adolescence.
Setiawan, EA, Rianda, D, Kadim, M, Meilianawati, Susanto, F, Kok, FJ, Shankar, AH, Agustina, R
Scientific reports. 2021;11(1):11860
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In combination, probiotics and calcium may help to support gut health and aid growth in early life. This 10 year follow up of 238 children from a previous randomised control trial aimed to determine the long-term effects of probiotic and calcium supplementation on growth during adolescence. The use of probiotics and calcium had no effect on changes in height, weight, or body mass for age. When more analyses were performed the use of Lactobacillus casei was shown to influence changes in body mass for age but only in females. Interestingly those in the probiotic group had poorer gut health than those who were not supplemented. It was concluded that in females, the use of probiotics and calcium during early life may decrease the risk of obesity later in life due to improved body mass. However, this warrants further research. This study could be used by health care professionals to understand that the use of probiotics and calcium in early life may have long-term benefits such as risk reduction of metabolic diseases.
Abstract
Microbiota and its modification with specific probiotics in early life could provide long term health benefits. Probiotics and calcium strengthen intestinal integrity and may support linear growth. This study investigated the long-term effects of childhood probiotics and calcium supplementation on growth in adolescence. We re-enrolled 238 adolescents aged 11-18 years from 494 children 10-years after 6-months of supplementation with either low-lactose milk fortified with low levels of calcium (LC, ∼50 mg/day, n = 53/124), with regular levels of calcium (RC, ∼440 mg/day, n = 70/126), or with regular calcium + 5 x 108 CFU/day Lactobacillus reuteri DSM 17938 (Reuteri, n = 55/124), or regular calcium + 5 x 108 CFU/day L. casei CRL 431 (Casei, n = 60/120). Changes in height-for-age z-score (HAZ) and body mass index-for-age z-score (BMIZ) were determined from the end of intervention to re-enrollment. General linear models were used to assess the effects on HAZ and BMIZ of group, gender, living area, maternal education, family income, physical activity, diet quality, nutritional status, and gut integrity as determined by urinary lactulose/mannitol ratio (L:M). Adolescent mean age was 15.3 years, mean HAZ was - 1.11, mean BMIZ was - 0.2 and median L:M (n = 155) was 0.23. Changes in HAZ and BMIZ were not significantly different between Casei, Reuteri, LC compared to RC. However, a significant decrease in BMIZ was observed among female adolescents in the Casei compared to RC group (- 0.5 SD, 95% CI - 0.8 to - 0.003, p = 0.048). Childhood probiotic and calcium supplementation may therefore selectively affect female adolescents.Clinical trial registration: This follow-up study has been registered at www.clinicaltrials.gov , Registry name: Rina Agustina, Registration number: NCT04046289, First Registration Date 06/08/19. web link: https://www.clinicaltrials.gov/ct2/show/NCT04046289 .
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Protective effect of probiotics in patients with non-alcoholic fatty liver disease.
Cai, GS, Su, H, Zhang, J
Medicine. 2020;99(32):e21464
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Non-alcoholic fatty liver disease (NAFLD) is common in people with obesity and is characterised by high amounts of fat stored in the liver. Diet and exercise are the standard treatments, however recent studies have indicated that the gut microbiota may have an important role. This randomised control trial of 140 patients with NAFLD, aimed to assess the effect of probiotics when added to standard therapy for 3 months. The results showed that although gut microbiota, some aspects of liver function, blood lipids and blood sugars were all improved in individuals on standard therapy, there were additional improvements in those on standard therapy plus probiotics. It was concluded that although standard therapy alone is adequate to improve NAFLD, probiotics plus standard therapy was superior to standard therapy alone and effective in treatment of NAFLD. This study could be used by health professionals to justify the addition of probiotics to standard therapy to further improve NAFLD outcomes.
Abstract
To investigate the effects of probiotics on liver function, glucose and lipids metabolism, and hepatic fatty deposition in patients with non-alcoholic fatty liver disease (NAFLD).Totally 140 NAFLD cases diagnosed in our hospital from March 2017 to March 2019 were randomly divided into the observation group and control group, 70 cases in each. The control group received the diet and exercise therapy, while the observation group received oral probiotics based on the control group, and the intervention in 2 groups lasted for 3 months. The indexes of liver function, glucose and lipids metabolism, NAFLD activity score (NAS), and conditions of fecal flora in 2 groups were compared before and after the treatment.Before the treatment, there were no significant differences on alanine aminotransferase (ALT), aspartate aminotransferase (AST), glutamine transferase (GGT), total bilirubin (TBIL), total cholesterol (TC), triglyceride (TG), low-density lipoprotein cholesterol (LDL-C), high-density lipoprotein cholesterol (HDL-C), insulin resistance index (HOMA-IR), NAFLD activity score (NAS), and conditions of fecal flora in 2 groups (P > .05). After the treatment, ALT, AST, GGT, TC, TG, HOMA-IR, NAS, and conditions of fecal flora in the observation group were better than those in the control group, and the observation group was better after treatment than before. All these above differences were statistically significant (P < .05).Probiotics can improve some liver functions, glucose and lipids metabolism, hepatic fatty deposition in patients with NAFLD, which will enhance the therapeutic effects of NAFLD.
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Brain fogginess, gas and bloating: a link between SIBO, probiotics and metabolic acidosis.
Rao, SSC, Rehman, A, Yu, S, Andino, NM
Clinical and translational gastroenterology. 2018;9(6):162
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D-lactic acid is produced by intestinal bacteria and a rise in levels can lead to D-lactic acidosis, causing neurological changes such as slurred speech and gait disturbances. This is frequently observed in short bowel syndrome. This small, observational study aimed to determine if brain fogginess (mental confusion, impaired judgement, poor short-term memory and difficulty concentrating) and intestinal gas and bloating is associated with D-lactic acidosis and small intestinal bacterial overgrowth (SIBO). 38 patients presenting with gas and bloating in the absence of short bowel syndrome, and with or without brain fog were assessed. All patients with brain fog were consuming probiotics, with a higher proportion of them diagnosed with SIBO and D-lactic acidosis, when compared to the non-brain fog group. The researchers stopped probiotics in all patients and administered antibiotics, observing a significant reduction in brain fog and gastrointestinal symptoms. Whilst this is a small, observational study, nutrition practitioners may wish to assess the likelihood of SIBO and D-lactic acidosis before recommending probiotics, especially in the presence of brain fog.
Abstract
BACKGROUND D-lactic acidosis is characterized by brain fogginess (BF) and elevated D-lactate and occurs in short bowel syndrome. Whether it occurs in patients with an intact gut and unexplained gas and bloating is unknown. We aimed to determine if BF, gas and bloating is associated with D-lactic acidosis and small intestinal bacterial overgrowth (SIBO). METHODS Patients with gas, bloating, BF, intact gut, and negative endoscopic and radiological tests, and those without BF were evaluated. SIBO was assessed with glucose breath test (GBT) and duodenal aspiration/culture. Metabolic assessments included urinary D-lactic acid and blood L-lactic acid, and ammonia levels. Bowel symptoms, and gastrointestinal transit were assessed. RESULTS Thirty patients with BF and 8 without BF were evaluated. Abdominal bloating, pain, distension and gas were the most severe symptoms and their prevalence was similar between groups. In BF group, all consumed probiotics. SIBO was more prevalent in BF than non-BF group (68 vs. 28%, p = 0.05). D-lactic acidosis was more prevalent in BF compared to non-BF group (77 vs. 25%, p = 0.006). BF was reproduced in 20/30 (66%) patients. Gastrointestinal transit was slow in 10/30 (33%) patients with BF and 2/8 (25%) without. Other metabolic tests were unremarkable. After discontinuation of probiotics and a course of antibiotics, BF resolved and gastrointestinal symptoms improved significantly (p = 0.005) in 23/30 (77%). CONCLUSIONS We describe a syndrome of BF, gas and bloating, possibly related to probiotic use, SIBO, and D-lactic acidosis in a cohort without short bowel. Patients with BF exhibited higher prevalence of SIBO and D-lactic acidosis. Symptoms improved with antibiotics and stopping probiotics. Clinicians should recognize and treat this condition.
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Fecal Microbiome and Food Allergy in Pediatric Atopic Dermatitis: A Cross-Sectional Pilot Study.
Fieten, KB, Totté, JEE, Levin, E, Reyman, M, Meijer, Y, Knulst, A, Schuren, F, Pasmans, SGMA
International archives of allergy and immunology. 2018;175(1-2):77-84
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Atopic diseases, such as atopic dermatitis (AD), asthma and rhinitis, are on the increase worldwide. Exposure to microbes may be important in the development of an atopic disease. Specifically, reduced early-life exposure is thought to be a contributing factor because microbial colonisation of the intestines during infancy plays a crucial role in the maturation of the immune system. AD, also called eczema, is an inflammatory skin disease often seen in small children. Food allergies are common in children with AD, the most common allergens being eggs, cow’s milk, peanuts, soy and wheat. This cross-sectional observational pilot study with 82 young children with a diagnosis of AD set out to identify distinct microbial patterns in the children’s faecal microbiomes associated with a clinical diagnosis of food allergy. Stool and blood samples were collected for a microbiome analysis and IgE antibody measurement, respectively. 20 children had a confirmed food allergy (most commonly to cow’s milk and peanuts), while almost half of the children without a diagnosed food allergy were sensitised to common food allergens after a food challenge. The study identified a faecal microbial signature in children with AD that differentiates between the presence and absence of food allergy. Children with AD and food allergy had more Escherichia coli and Bifidobacterium pseudocatenulatum species and less Bifidobacterium breve, Faecalibacterium prausnitzii and Akkermansia muciniphila species than children without food allergy. The authors concluded that the study supports a hypothesis that the intestinal microbiome differs in children with AD, depending on whether they have a food allergy or not. They call for future studies to confirm these findings.
Abstract
BACKGROUND Exposure to microbes may be important in the development of atopic disease. Atopic diseases have been associated with specific characteristics of the intestinal microbiome. The link between intestinal microbiota and food allergy has rarely been studied, and the gold standard for diagnosing food allergy (double-blind placebo-controlled food challenge [DBPCFC]) has seldom been used. We aimed to distinguish fecal microbial signatures for food allergy in children with atopic dermatitis (AD). METHODS Pediatric patients with AD, with and without food allergy, were included in this cross-sectional observational pilot study. AD was diagnosed according to the UK Working Party criteria. Food allergy was defined as a positive DBPCFC or a convincing clinical history, in combination with sensitization to the relevant food allergen. Fecal samples were analyzed using 16S rRNA microbial analysis. Microbial signature species, discriminating between the presence and absence food allergy, were selected by elastic net regression. RESULTS Eighty-two children with AD (39 girls) with a median age of 2.5 years, and 20 of whom were diagnosed with food allergy, provided fecal samples. Food allergy to peanut and cow's milk was the most common. Six bacterial species from the fecal microbiome were identified, that, when combined, distinguished between children with and without food allergy: Bifidobacterium breve, Bifidobacterium pseudocatenulatum, Bifidobacterium adolescentis, Escherichia coli, Faecalibacterium prausnitzii, and Akkermansia muciniphila (AUC 0.83, sensitivity 0.77, specificity 0.80). CONCLUSIONS In this pilot study, we identified a microbial signature in children with AD that discriminates between the absence and presence of food allergy. Future studies are needed to confirm our findings.