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Eurasian Journal of
            Medicine and Oncology                                    TCM regulates gut microbiota in pediatric MP pneumonia



            and can involve multiple organ systems, resulting in a   patients with mild and severe pneumonia, with no
            wide range of extrapulmonary manifestations.  MPP is   restrictions on gender or case origin
                                                  1-4
            endemic worldwide, with regional pandemics occurring   (3).  Intervention measures: Measures in the intervention
            every 3 – 8 years.  In the past few years, there has been a   group were focused on utilizing Chinese herbal
                          5
            trend of increased incidence, particularly among school-  medicine either solely or in conjunction with Western
            age children. For treatment, macrolides are the drugs of   medicine
            choice, but their widespread use has led to the development   (4).  Results:  The  main  outcome  was  the  overall  clinical
            of genetic mutations in M. pneumoniae, resulting in drug   effectiveness rate. Secondary outcomes included
            resistance.  New tetracyclines are effective in improving   changes in intestinal microbiota counts, time to
                    6
            symptoms but are prone to causing adverse reactions.    resolution of rales, serum levels of the inflammatory
                                                          7
            Antibiotic therapy can also lead to gastrointestinal   cytokine interleukin (IL)-6, and adverse effects
            and renal damage, as well as other adverse reactions in   (5).  Criteria for clinical effectiveness: The clinical
            children.  Therefore, improving the safety and effectiveness   effectiveness was categorized as follows: disappearance
                   8
            of  treatments for  M. pneumoniae  remains  an important   of fever, cough, sputum, lung wet rales, and other
            area for further exploration and research.            symptoms; post-treatment was considered “markedly
              It has been found that  beneficial intestinal bacteria   effective;” symptom improvement after treatment
                                 9
            are effective in reducing pathogenic bacteria, restoring   was classified as “effective;” lack of symptom relief
            the gut mucosal barrier, and reducing the inflammatory   after treatment was deemed “ineffective.” The overall
            response in children with MPP. Meanwhile, traditional   effectiveness rate was calculated as the sum of the
            Chinese medicine (TCM) has shown particular           markedly effective and effective rates. 16
            benefits in treating MPP and has yielded some positive   2.2. Search strategy
            outcomes 10,11 . However, it should be noted that the
            number of randomized controlled trials (RCTs)      Comprehensive searches were conducted in several databases,
            investigating the treatment of MPP from a gut flora   including PubMed, Embase, Chinese Biomedical Literature
            perspective is still relatively small. In addition, some   Database (SinoMed), Cochrane Library, China National
            studies have issues, such as insufficient quality, and there   Knowledge Infrastructure, Wanfang, and VIP. Each database
            is a lack of a comprehensive and objective systematic   was searched for articles published from its inception until
            review and meta-analysis. Therefore, the aim of this   March 2024, including both English and Chinese-language
            study is to rigorously assess and validate the effectiveness   articles. The retrieval strategy employed Medical Subject
            and safety of TCM modulation of intestinal microbiota   Headings and freeform terms. Detailed retrieval strategies
            in treating MPP in children through high-quality clinical   for each database are provided in Table S2.
            RCTs. We employ systematic review and meta-analysis   2.3. Research selection
            to provide reliable, evidence-based medical support for
            clinical practice.                                 The  retrieved  documents were  imported into  EndNote,
                                                               a reference management tool, to eliminate duplicates.
            2. Materials and methods                           Subsequently, the remaining documents were read in full
            This study has been registered with the International   by two independent reviewers and re-screened based on
            Prospective  Register  of  Systematic  Reviews,  under   the inclusion and exclusion criteria. Disagreements were
            registration number CRD42025632325. After registration,   resolved by a third party, and the final screening results
            a meta-analysis was conducted following the guidelines   were double-checked for accuracy.
            of the Preferred Reporting Items for Systematic Reviews   Data pertinent to the literature were extracted using an
            and Meta-Analyses (PRISMA) 2020  and the Cochrane   Excel spreadsheet, encompassing: (i) fundamental details
                                         12
            Handbook for Systematic Reviews of Interventions.  The   of the included studies, such as the principal author’s name
                                                      13
            PRISMA checklist, which has been thoroughly completed,   and publication year; (ii) primary characteristics of the
            is appended in Table S1.                           study subjects, including age, gender, and the duration
                                                               of illness; (iii) details of the interventions, including the
            2.1. Eligibility criteria                          specific implementation process, medications used, and
            Studies that met the following criteria were considered   treatment duration; (iv) key elements for assessing bias risks
            eligible for analysis:                             within the studies, such as the comparability of baseline
            (1).  Research type: RCTs                          characteristics, group randomization, and implementation
            (2).  Participants: Participation must meet the diagnostic   of blinding; and (v) outcome data, including overall
               criteria for MPP in pediatric patients, 14,15  including   clinical effectiveness, time to resolution of rales, serum


            Volume 9 Issue 2 (2025)                         44                              doi: 10.36922/ejmo.8602
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