Correlation of New Criteria for Malnutrition Assessment in Hospitalized Patients: AND-ASPEN Versus SGA.

Objectives: Identifying malnutrition in the hospitalized patient is important as it correlates with increased morbidity. The Subjective Global Assessment (SGA) is recognized in the literature as a standardized and validated method for diagnosing malnutrition. The Academy of Nutrition and Dietetics (AND) and the American Society for Parenteral and Enteral Nutrition (ASPEN) developed a comprehensive method (AND-ASPEN criteria) for diagnosing malnutrition that has yet to be validated. In effort to validate the AND-ASPEN criteria for identifying malnutrition, this study investigated whether AND-ASPEN criteria would correlate with SGA in hospitalized patients.Methods: A cohort of patients >18 years old admitted to a tertiary hospital and assessed for malnutrition using AND-ASPEN criteria were randomly selected, and a retrospective review was completed. Criteria needed to perform SGA were extracted from the electronic medical record and SGA data were calculated and compared to AND-ASPEN malnutrition scoring. Spearman's correlation coefficient was used to assess correlation between the SGA and AND-ASPEN malnutrition score. Data are presented as mean ± standard deviation, median or frequency.Results: A total of 409 patients were reviewed and 225 (55%) met inclusion criteria. SGA malnutrition scores classified 47.1% (n = 106) of subjects as well-nourished, 32% (n = 72) moderately malnourished, and 20.9% (n = 47) severely malnourished. The AND-ASPEN malnutrition scores classified 43.8% (n = 179) of the subjects as well-nourished, 26.2% (n = 107) as moderately malnourished, and 30.1% (n = 123) severely malnourished. The SGA score and AND-ASPEN malnutrition diagnosis were found to be correlated (p < 0.001). There was no association between age or length of stay with either assessment tool.Conclusions: The AND-ASPEN criteria for diagnosing malnutrition correlated with SGA in identifying nutritional status in hospitalized adult patients. Future prospective studies capturing the impact of malnutrition diagnosis, medical and nutrition interventions with patient outcomes are warranted to confirm the impact of early and accurate identification of malnutrition of patient outcomes.

When Is Parenteral Nutrition Appropriate?

Parenteral nutrition (PN) represents one of the most notable achievements of modern medicine, serving as a therapeutic modality for all age groups across the healthcare continuum. PN offers a life-sustaining option when intestinal failure prevents adequate oral or enteral nutrition. However, providing nutrients by vein is an expensive form of nutrition support, and serious adverse events can occur. In an effort to provide clinical guidance regarding PN therapy, the Board of Directors of the American Society for Parenteral and Enteral Nutrition (ASPEN) convened a task force to develop consensus recommendations regarding appropriate PN use. The recommendations contained in this document aim to delineate appropriate PN use and promote clinical benefits while minimizing the risks associated with the therapy. These consensus recommendations build on previous ASPEN clinical guidelines and consensus recommendations for PN safety. They are intended to guide evidence-based decisions regarding appropriate PN use for organizations and individual professionals, including physicians, nurses, dietitians, pharmacists, and other clinicians involved in providing PN. They not only support decisions related to initiating and managing PN but also serve as a guide for developing quality monitoring tools for PN and for identifying areas for further research. Finally, the recommendations contained within the document are also designed to inform decisions made by additional stakeholders, such as policy makers and third-party payers, by providing current perspectives regarding the use of PN in a variety of healthcare settings.

Malnutrition: laboratory markers vs nutritional assessment.

Malnutrition is an independent risk factor for patient morbidity and mortality and is associated with increased healthcare-related costs. However, a major dilemma exists due to lack of a unified definition for the term. Furthermore, there are no standard methods for screening and diagnosing patients with malnutrition, leading to confusion and varying practices among physicians across the world. The role of inflammation as a risk factor for malnutrition has also been recently recognized. Historically, serum proteins such as albumin and prealbumin (PAB) have been widely used by physicians to determine patient nutritional status. However, recent focus has been on an appropriate nutrition-focused physical examination (NFPE) for diagnosing malnutrition. The current consensus is that laboratory markers are not reliable by themselves but could be used as a complement to a thorough physical examination. Future studies are needed to identify serum biomarkers in order to diagnose malnutrition unaffected by inflammatory states and have the advantage of being noninvasive and relatively cost-effective. However, a thorough NFPE has an unprecedented role in diagnosing malnutrition.

Management of gastroparesis-associated malnutrition.

Gastroparesis (GP) is a chronic debilitating dysmotility characterized by unrelenting nausea, vomiting, bloating, early satiety, postprandial fullness and abdominal pain. Patients with GP experience other associated conditions, including gastroesophageal reflux disease, gastric bezoars and small bowel bacterial overgrowth. Furthermore, GP is associated with poor quality of life, increased emergency room visits, hospitalizations and subsequent increased healthcare costs. Currently, the managements of GP consist of glycemic control, antiemetics, prokinetics and the use of gastric electrical stimulation. However, most GP patients are at risk for significant nutritional abnormalities. As such, it is essential to screen and diagnose malnutrition in these patients. Poor oral intake in such patients could be supplemented by enteral tube feeding. Parenteral nutrition, although a last resort, is associated with a number of complications and should be used only for the short term. In summary, a systematic approach including initial nutritional screening, diet recommendations, medical therapy, nutritional re-evaluation and enteral and parental nutrition should be considered in complex GP patients.

Intestinal Failure: Adaptation, Rehabilitation, and Transplantation.

Intestinal failure (IF) is a state in which the nutritional demands are not met by the gastrointestinal absorptive surface. A majority of IF cases are associated with short-bowel syndrome, which is a result of malabsorption after significant intestinal resection for numerous reasons, some of which include Crohn's disease, vascular thrombosis, and radiation enteritis. IF can also be caused by obstruction, dysmotility, and congenital defects. Recognition and management of IF can be challenging, given the complex nature of this condition. This review discusses the management of IF with a focus on intestinal rehabilitation, parenteral nutrition, and transplantation.

Evaluation of muscle and fat loss as diagnostic criteria for malnutrition.

According to the American Society for Parenteral and Enteral Nutrition and Academy of Nutrition and Dietetics criteria, the diagnosis of malnutrition includes an evaluation of muscle and fat. The role of inflammation not only enhances the catabolism of muscle and fat loss but also interferes with anabolism. Dietitians and other nutrition professionals need to understand techniques to appropriately identify losses of muscle and fat to incorporate them into a malnutrition diagnosis. Proper training is imperative to correctly identify muscle and fat wasting in a consistent and reliable manner. Nutrition clinicians should begin incorporating these practices into patient assessments and care plans. The application of these techniques and assessment tools is challenging and continues to be a work in progress. Various scenarios do not allow for clearly defined methods that would lead to a reliable conclusion for diagnosing malnutrition indicating the need for further research.