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      A systematic review and meta-analysis of probiotics for the treatment of allergic rhinitis.

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          Abstract

          Probiotics have proven beneficial in a number of immune-mediated and allergic diseases. Several human studies have evaluated the efficacy of probiotics in allergic rhinitis; however, evidence for their use has yet to be firmly established. The current systematic review seeks to synthesize the results of available randomized trials.

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          Most cited references31

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          Effect of probiotic Lactobacillus strains in children with atopic dermatitis.

          Recent studies suggest that oral bacteriotherapy with probiotics might be useful in the management of atopic dermatitis (AD). The purpose of this investigation was to evaluate the clinical and anti-inflammatory effect of probiotic supplementation in children with AD. In a double-blind, placebo-controlled, crossover study, 2 probiotic Lactobacillus strains (lyophilized Lactobacillus rhamnosus 19070-2 and Lactobacillus reuteri DSM 122460) were given in combination for 6 weeks to 1- to 13-year-old children with AD. The patients' evaluations were registered after each intervention (ie, better, unchanged, or worse). The clinical severity of the eczema was evaluated by using the scoring atopic dermatitis (SCORAD) score. As inflammatory markers, eosinophil cationic protein in serum and cytokine production by PBMCs were measured. After active treatment, 56% of the patients experienced improvement of the eczema, whereas only 15% believed their symptoms had improved after placebo (P =.001). The total SCORAD index, however, did not change significantly. The extent of the eczema decreased during active treatment from a mean of 18.2% to 13.7% (P =.02). The treatment response was more pronounced in allergic patients (at least one positive skin prick test response and elevated IgE levels), and in this group the SCORAD score decreased (P =.02 compared with nonallergic patients). During active treatment, serum eosinophil cationic protein levels decreased (P =.03). No significant changes in the production of the cytokines IL-2, IL-4, IL-10, or IFN-gamma were found. A combination of L rhamnosus 19070-2 and L reuteri DSM 122460 was beneficial in the management of AD. The effect was more pronounced in patients with a positive skin prick test response and increased IgE levels.
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            New scientific paradigms for probiotics and prebiotics.

            The inaugural meeting of the International Scientific Association for Probiotics and Prebiotics (ISAPP) was held May 3 to May 5 2002 in London, Ontario, Canada. A group of 63 academic and industrial scientists from around the world convened to discuss current issues in the science of probiotics and prebiotics. ISAPP is a non-profit organization comprised of international scientists whose intent is to strongly support and improve the levels of scientific integrity and due diligence associated with the study, use, and application of probiotics and prebiotics. In addition, ISAPP values its role in facilitating communication with the public and healthcare providers and among scientists in related fields on all topics pertinent to probiotics and prebiotics. It is anticipated that such efforts will lead to development of approaches and products that are optimally designed for the improvement of human and animal health and well being. This article is a summary of the discussions, conclusions, and recommendations made by 8 working groups convened during the first ISAPP workshop focusing on the topics of: definitions, intestinal flora, extra-intestinal sites, immune function, intestinal disease, cancer, genetics and genomics, and second generation prebiotics.
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              Validation of the standardized version of the Rhinoconjunctivitis Quality of Life Questionnaire.

              In the Rhinoconjunctivitis Quality of Life Questionnaire (RQLQ), the 3 activity questions are selected by the patients themselves. For greater efficiency, a version with standardized activities is required. Our purpose was to develop and validate a standardized version of the RQLQ, the RQLQ(S). With use of 5 RQLQ databases, we identified the activities most frequently selected by patients and formulated 3 generic questions that would encompass the majority of these activities. The RQLQ(S) was tested in a 5-week observational study in 100 adults with symptomatic rhinoconjunctivitis. Patients completed the RQLQ(S), the RQLQ, and other measures of health status at baseline and 1 and 5 weeks. The activity domain of the RQLQ(S) consistently gave lower scores than did the activity domain of the RQLQ (P <.001). However, this made very little difference to the overall scores (RQLQ[S] = 2.36 +/- 1.23, RQLQ = 2.43 +/- 1.23), and overall concordance was high (intraclass correlation coefficient = 0.996). In patients whose rhinoconjunctivitis was stable between clinic visits, reliability (reproducibility and ability to discriminate between patients of different impairment) was high for both instruments and almost identical (intraclass correlation coefficient = 0.97). Responsiveness to change was also very similar and good (P <.001). Construct validity (correlation with other index values of health status) was strong for both the RQLQ(S) and the RQLQ. The RQLQ(S) has strong measurement properties and measures the same construct as the original RQLQ. The choice of questionnaire should depend on the task at hand.
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                Author and article information

                Journal
                Int Forum Allergy Rhinol
                International forum of allergy & rhinology
                Wiley-Blackwell
                2042-6984
                2042-6976
                Jun 2015
                : 5
                : 6
                Affiliations
                [1 ] Department of Otolaryngology-Head and Neck Surgery, Vanderbilt University School of Medicine, Nashville, TN.
                Article
                NIHMS734705
                10.1002/alr.21492
                4725706
                25899251
                b21867d1-1fe3-4bbb-be57-cee24aaf74ec
                History

                allergic rhinitis,allergy,atopy,lactobacillus,meta-analysis,probiotics,randomized trial

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