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The hepatopulmonary syndrome is an infrequent disease in pediatric population, with an unknown incidence in Mexico. The diagnosis is challenge for the clinician due to the presence of many other causes of hypoxemia in children with chronic liver disease. Two patients with Hepatopulmonary Syndrome are presented, showing the variability in both cases and outcome of the disease. First a patient with chronic liver disease secondary to an autoimmune disease (Systemic Lupus Erythematosus) with a torpid evolution, then a patient in which the diagnosis of chronic liver disease was made after the onset of the respiratory symptoms. In both cases the ideal treatment should be hepatic transplantation, however it could not be done because of the low accessibility to this surgical procedure in our country. [ABSTRACT FROM AUTHOR]

Background: There are evidence gaps in the management of pediatric cough, particularly for acute pediatric cough. This study had two aims: to identify therapeutic principles and unmet needs in the treatment of cough in pediatric patients (internationally), and to consider the evidence required to address these unmet needs., Methods: A MEDLINE/PubMed database search was performed to identify articles describing therapeutic principles in the treatment of pediatric cough. An online survey of international pediatric cough experts was conducted, with questions on the definitions, diagnosis, treatment, and unmet needs in pediatric cough management., Results: Cough guidelines have differing definitions of pediatric patients (≤12-18 years), acute pediatric cough (< 2-3 weeks), and chronic pediatric cough (> 4-8 weeks). Similarly, among 18 experts surveyed, definitions varied for pediatric patients (≤10-21 years), acute pediatric cough (< 3-5 days to < 6 weeks), and chronic pediatric cough (> 2-8 weeks). Guidelines generally do not recommend over-the-counter or prescription cough medicines in acute pediatric cough, due to lack of evidence. In the expert survey, participants had differing opinions on which medicines were most suitable for treating acute pediatric cough, and noted that effective treatments are lacking for cough-related pain and sleep disruption. Overall, guidelines and experts agreed that chronic pediatric cough requires diagnostic investigations to identify the underlying cough-causing disease and thereby to guide treatment. There are unmet needs for new effective and safe treatments for acute pediatric cough, and for randomized controlled trials of existing treatments. Safety is a particular concern in this vulnerable patient population. There is also a need for better understanding of the causes, phenotypes, and prevalence of pediatric cough, and how this relates to its diagnosis and treatment., Conclusions: Whereas pediatric cough guidelines largely align with regard to the diagnosis and treatment of chronic cough, there is limited evidence-based guidance for the management of acute cough. There is a need for harmonization of pediatric cough management, and the development of standard guidelines suitable for all regions and patient circumstances., (© 2023. The Author(s).)

Pseudomonas aeruginosa has a high adaptive capacity, favoring the selection of antibiotic-resistant strains, which are currently considered a global health problem. The purpose of this work was to investigate the rate and distribution of extensively drug-resistant (XDR) P. aeruginosa in pediatric patients with cystic fibrosis (CF) with recurrent infections and to distinguish the current efficacy of antibiotics commonly used in eradication therapy at a Mexican institute focused on children. A total of 118 P. aeruginosa isolates from 25 children with CF (2015-2019) underwent molecular identification, antimicrobial sensitivity tests, and Random Amplified Polymorphic DNA genotyping (RAPD-PCR). The bacterial isolates were grouped in 84 RAPD profiles, revealing a cross-infection between two sisters, whose resistance profile remained unchanged for more than 2 years. Furthermore, 77.1% (91/118) and 51.7% (61/118) of isolates showed in vitro susceptibility to ceftazidime and amikacin, respectively, antibiotics often used in eradication therapy at our institution. As well, 42.4% (50/118) were categorized as multi-drug resistant (MDR) and 12.7% (15/118) were XDR. Of these resistant isolates, 84.6% (55/65) were identified from patients with recurrent infections. The high frequency of XDR strains in children with CF should be considered a caution mark, as such resistance patterns are more commonly found in adult patients. Additionally, amikacin may soon prove ineffective. Careful use of available antibiotics is crucial before therapeutic possibilities are reduced and "antibiotic resistance crisis" worsens., (© 2022. The Author(s), under exclusive licence to Springer Science+Business Media, LLC, part of Springer Nature.)

Background: There was a need for a solid asthma guideline in Mexico to update and unify asthma management. Because high-quality asthma guidelines exist worldwide, in which the latest evidence on asthma management is summarized, the ADAPTE approach allows for the development of a national asthma guideline based on evidence from already existing guidelines, adapted to national needs., Objective: To fuse evidence from the best asthma guidelines and adapt it to local needs with the ADAPTE approach., Methods: The Appraisal of Guidelines for Research and Evaluation (AGREE) II asthma guidelines were evaluated by a core group to select 3 primary guidelines. For each step of asthma management, clinical questions were formulated and replied according to (1) evidence in the primary guidelines, (2) safety, (3) Cost, and (4) patient preference. The Guidelines Development Group, composed of a broad range of experts from medical specialties, primary care physicians, and methodologists, adjusted the draft questions and replies in several rounds of a Delphi process and 3 face-to-face meetings, taking into account the reality of the situation in Mexico. We present the results of the pediatric asthma treatment part., Results: Selected primary guidelines are from the British Thoracic Society and Scottish Intercollegiate Guidelines Network (BTS/SIGN), Global Initiative for Asthma (GINA), and Spanish Guidelines on the Management of Asthma (GEMA) 2015, with 2016 updates. Recommendations or suggestions were made for asthma treatment in Mexico. In this article, the detailed analysis of the evidence present in the BTS/SIGN, GINA, and GEMA sections on the (non) pharmacologic treatment of pediatric asthma, education, and devices are presented for 2 age groups: children 5 years or younger and children 6 to 11 years old with asthma., Conclusion: For the pediatric treatment and patient education sections, applying the AGREE II and Delphi methods is useful to develop a scientifically sustained document, adjusted to the Mexican situation, as is the Mexican Guideline on Asthma., (Copyright © 2018 American College of Allergy, Asthma & Immunology. Published by Elsevier Inc. All rights reserved.)

Background: The need for a national guideline, with a broad basis among specialists and primary care physicians was felt in Mexico, to try unifying asthma management. As several high-quality asthma guidelines exist worldwide, it was decided to select the best three for transculturation., Methods: Following the internationally recommended methodology for guideline transculturation, ADAPTE, a literature search for asthma guidelines, published 1-1-2007 through 31-12-2015 was conducted. AGREE-II evaluations yielded 3/40 most suitable for transculturation. Their compound evidence was fused with local reality, patient preference, cost and safety considerations to draft the guideline document. Subsequently, this was adjusted by physicians from 12 national medical societies in several rounds of a Delphi process and 3 face-to-face meetings to reach the final version., Results: Evidence was fused from British Thoracic Society Asthma Guideline 2014, Global Initiative on Asthma 2015, and Guía Española del Manejo del Asma 2015 (2016 updates included). After 3 Delphi-rounds we developed an evidence-based document taking into account patient characteristics, including age, treatment costs and safety and best locally available medication., Conclusions: In cooperation pulmonologists, allergists, ENT physicians, paediatricians and GPs were able to develop an evidence-based document for the prevention, diagnosis and treatment of asthma and its exacerbations in Mexico.