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Context Ensuring a healthy pregnancy and achieving optimal gestational weight gain (GWG) are important for maternal and child health. Nevertheless, the nutritional advice provided during pregnancy is often conflicting, suggesting limited adherence to clinical practice guidelines (CPGs). Objective The aim of this review was to identify all CPGs on maternal nutrition and GWG and to critically appraise their methodological quality. Data Sources The MEDLINE/PubMed, Cochrane, Guidelines International Network, and BMJ Best Practice databases, along with gray literature, were searched from inception until February 2019 for CPGs and consensus, position, and practice papers. Study Selection Clinical practice guidelines published in English and containing advice on maternal nutrition or GWG were eligible. Data Extraction Two authors independently extracted data on items pertaining to maternal nutrition or GWG, and CPGs were appraised using the AGREE II instrument. Results Twenty-two CPGs were included. All scored adequately in the “scope” domain, but most were considered inadequate with regard to stakeholder involvement, rigor of development, applicability, and editorial independence. Many CPGs lacked patient or dietician involvement, and more than half did not disclose funding sources or conflicts of interest. Guidance on GWG was based mostly on Institute of Medicine thresholds, while nutrition recommendations appeared scattered and heterogeneous. Conclusion Despite the importance of maternal nutrition and the plethora of advising bodies publishing relevant guidance, there is room for substantial improvement in terms of development standards and content of nutritional recommendations. Systematic review registration PROSPERO registration number CRD42019120898.

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Although many Clinical Practice Guidelines (CPGs) have been published for the care of patients with Cystic Fibrosis (CF), including a variety of nutrition recommendations, the quality of these CPGs has never been evaluated. The aim of this study was to compare, review, and critically appraise CPGs for the nutritional management of CF, throughout the lifespan. We searched PubMed, Guidelines International Network (GIN), ECRI Institute, and Guidelines Central for CPGs, with information on the nutritional management of CF. Retrieved CPGs were appraised by three independent reviewers, using the Appraisal of Guidelines, Research and Evaluation II (AGREE II) instrument and checklist. A total of 22 CPGs (seven solely nutrition oriented), by 14 different publishers, were retrieved. The Thoracic Society of Australia and New Zealand CPGs scored the highest overall quality (94.4%), while the Paediatric Gastroenterology Society/Dietitians Association of Australia CPGs had the lowest score (27.8%). Great variation in AGREE II domain-specific scores was observed in all CPGs, suggesting the existence of different strengths and weaknesses. Despite the availability of several CPGs, many appear outdated, lacking rigor, transparency, applicability, and efficiency, while incorporating bias. Considering that CPGs adherence is associated with better outcomes and the need for improving life expectancy in patients with CF, the development of CPGs of better quality is deemed necessary.

Background Nutrition can play a significant role in the management of liver cirrhosis and its complications. However, adherence to the clinical practice guidelines (CPGs) is essential for the practice of evidence‐based medicine and is considered as a health‐quality indicator. Methods A systematic search was conducted in scientific databases, and retrieved CPGs fulfilling the inclusion criteria were independently reviewed and appraised from 3 experienced researchers, based on the Appraisal of Guidelines for Research and Evaluation II instrument. Results A total of 13 relevant CPGs were retrieved, published by 7 associations/societies, focusing on the nutrition management (enteral nutrition and/or parenteral nutrition) on cirrhosis, decompensated cirrhosis, liver transplantation, and cirrhosis‐related complications. Most CPGs scored low in the stakeholder, rigor of development, and applicability domains. Half of the CPGs recognized the need for counseling patients with cirrhosis on nutrition‐related issues. Small meals spread throughout the day, including a late‐night snack, were suggested, with protein intake ranging between 1.2 and 1.5 g/kg of body weight. In ascites, Na restriction recommendation appeared unanimous. Conclusions Several shortcomings and bias were recognized in cirrhosis‐related medical nutrition therapy CPGs, indicating the need of improving CPG methodology.

Objective: Despite the fact that pediatric pancreatitis is an uncommon disease, its prevalence has increased in recent years. Nevertheless, until 4 years ago, the lack of nutritional guidelines for pediatric pancreatitis was evident, with all recommendations being based on clinical practice guidelines (CPGs) for adults. The aim of the present study was to review and critically appraise guidelines for the medical nutrition therapy (MNT) of pediatric pancreatitis. Methods: A comprehensive search was performed in electronic databases (PubMed, Scopus, National Institute for Health and Care Excellence), the International Guidelines Network, BMJ best practice, and the Scottish Intercollegiate Guidelines Network to identify CPGs on the MNT of pediatric pancreatitis. The validated AGREE II tool was used for guidelines appraisal by a team of 3 independent multidisciplinary reviewers. Results: A total of 4 CPGs were retrieved with pediatric pancreatitis MNT information. Out of the 4 advising bodies in total, the joint society paper published by the ESPGHAN/NASPGHAN received the highest score in almost all domains, whereas the Belgian consensus obtained the lowest score in all domains but stakeholder involvement, and was not recommended by 2 out of 3 reviewers. Conclusions: Pediatric pancreatitis guidelines appear heterogenous in quality, rigour, and transparency. Our study points out existing gaps and biases in the CPGs, and delineates the need for improving the domains identified as being of low-quality.

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