Faculty Bibliography
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105
SAFETY AND EFFICACY OF GLUCOSTABILIZER IN THE MANAGEMENT OF DIABETIC KETOACIDOSIS
Objective: To evaluate the safety and efficacy of GlucoStabilizer software intravenous insulin (IV) dosing in comparison to American Diabetes Association (ADA) protocol-directed provider-guided insulin dose adjustment (PGIA). Methods: GlucoStabilizer calculates the dose of IV insulin required to reach a prescribed target glucose range. GlucoStabilizer has not been fully studied in DKA. This retrospective study compared outcomes in patients with DKA before and after implementation of GlucoStabilizer. Insulin doses were administered based on GlucoStabilizer calculations or PGIA. The analysis evaluated before-after changes in amount of insulin used, time to target, hypoglycemia or hypokalemia events, and time to DKA resolution. Results: We studied 77 patients with insulin doses calculated by GlucoStabilizer and 69 patients with PGIA dosing. GlucoStabilizer was superior to PGIA. Patients treated with GlucoStabilizer-calculated doses did not experience hypoglycemia (N= 0 vs. N= 10; p<0.001). The 10 unique PGIA patients had a total of 18 episodes with 17 between 55 to 69 mg/dL; 1 <54 mg/dL, and no episodes <40 mg/dL. The GlucoStabilizer group required less insulin to reach DKA resolution (59.2 vs. 101.2 units; p<0.001). Time to glycemic target and DKA resolution were similar (6.7 vs. 4.6 hours; p= 0.132) and (9.8 vs. 9.9 hours; p= 0.803), respectively. No difference in incidence of hypokalemia was seen (N= 9 vs. N= 11; p= 0.48).
PMID: 31968186
ISSN: 1530-891x
CID: 4294882
ESPEN guideline on home parenteral nutrition
This guideline will inform physicians, nurses, dieticians, pharmacists, caregivers and other home parenteral nutrition (HPN) providers, as well as healthcare administrators and policy makers, about appropriate and safe HPN provision. This guideline will also inform patients requiring HPN. The guideline is based on previous published guidelines and provides an update of current evidence and expert opinion; it consists of 71 recommendations that address the indications for HPN, central venous access device (CVAD) and infusion pump, infusion line and CVAD site care, nutritional admixtures, program monitoring and management. Meta-analyses, systematic reviews and single clinical trials based on clinical questions were searched according to the PICO format. The evidence was evaluated and used to develop clinical recommendations implementing Scottish Intercollegiate Guidelines Network methodology. The guideline was commissioned and financially supported by ESPEN and members of the guideline group were selected by ESPEN.
PMID: 32359933
ISSN: 1532-1983
CID: 5411602
Stanley J. Dudrick: A man who dared to change what we used to know [Historical Article]
PMID: 32229170
ISSN: 1532-1983
CID: 5411582
Re. 100-y anniversary of the Harris and Benedict equation [Letter]
PMID: 32139331
ISSN: 1873-1244
CID: 5411572
Protein Requirements in Critical Illness: Do We Really Know Why to Give So Much?
The protein and energy requirements of critically ill patients treated in intensive care units (ICUs) have been actively discussed recently. Currently published clinical recommendations and reviews suggest significant increases of protein provision to 2-2.5 g/kg/d in some populations of ICU patients. However, a detailed analysis of the main sources of these recommendations reveals a number of serious contradictions, as well as an absence of obvious evidence supporting the allotment of high doses of protein. We went through these recommendations and reviewed cited articles and other studies, and we have separated our arguments against excessive protein provision into sections.
PMID: 32043628
ISSN: 1941-2444
CID: 5411492
Guidelines for the management of surgical departments in non-uniform hospitals during the COVID-19 pandemic
In the last several weeks we have been witnessing the exponentially progressing pandemic SARS-CoV-2 coronavirus. As the number of people infected with SARS-CoV2 escalates, the problem of surgical management of patients requiring urgent surgery is increasing. Patients infected with SARS-CoV2 virus but with negative test results will appear in general hospitals and may pose a risk to other patients and hospital staff. Health care workers constitutes nearly 17% of infected population in Poland, therefore early identification of infected people becomes a priority to protect human resources and to ensure continuity of the access to a surgical care. Both surgical operations, and endoscopic procedures are considered as interventions with an increased risk of infection. Therefore, determining the algorithm becomes crucial for qualifying patients for surgical treatment, but also to stratify the risk of personnel being infected during surgery and to adequately protect staff. Each hospital should be logistically prepared for the need to perform urgent surgery on a patient with suspected or confirmed infection, including personal protective equipment. Limited availability of the equipment, working under pressure and staff shortages in addition to a highly contagious pathogen necessitate a pragmatic management of human resources in health care. Instant synchronized action is needed, and clear uniform guidelines are essential for the healthcare system to provide citizens with the necessary surgical care while protecting both patients, and staff. This document presents current recommendations regarding surgery during the COVID-19 pandemic in Poland.
PMID: 32312919
ISSN: 2299-2847
CID: 5411592
The fragility of statistically significant results from clinical nutrition randomized controlled trials
BACKGROUND & AIMS:Recently, a parameter called "Fragility index" (FI) has been proposed, which measures how many events the statistical significance relies on. The lower the FI the more "fragile" the results, and thus more care should be taken when interpreting the results. Our aim in this study was to check FI of nutritional trials. METHODS:We conducted a systematic review of human clinical nutrition RCTs that report statistically significant dichotomous primary outcomes. We searched the EMBASE, MEDLINE, and Scopus databases. The FI of primary outcomes using the Fisher exact test was calculated and checked the correlations of FI with the number of randomised trials, the p-value of primary outcomes, the publication date, the journal impact factor and the number of patients lost to follow-up. RESULTS:The initial database search revealed 5790 articles, 37 of which were included in qualitative synthesis. The median (IQR) FI for all studies was 1 (1-3). 28 studies (75.7%) had an FI lower or equal to 2, and in 12 (32.43%) articles, the FI was lower than the number of patients lost to follow-up. No correlations were found between FI and the study characteristics (number of randomized patients, p value of primary outcome, event ratio in experimental group, event ratio in control group, publication date, journal impact factor, lost to follow-up). CONCLUSION:The results of RCTs in nutritional research often rely on a small number of events or patients. The number of patients lost to follow-up is frequently higher than the FI calculation. Formulating recommendations based on RCTs should be done with caution and FI may be used as auxiliary parameter when assessing the robustness of their findings.
PMID: 31221372
ISSN: 1532-1983
CID: 5411432
Use of Intravenous Lipid Emulsions With Parenteral Nutrition: Practical Handling Aspects
A number of topics important to the handling of intravenous lipid emulsions (ILEs) were discussed at the international summit. ILE handling includes the preparation and the administration steps in the typical use of parenteral nutrition (PN). The discussion and consensus statements addressed several issues, including standardization of the PN process, use of commercially available multi-chamber PN or compounded PN bags, the supervision by a pharmacist with expertise, limiting ILE repackaging, and infusion duration.
PMID: 32049398
ISSN: 1941-2444
CID: 5411562
Use of Lipids in Adult Patients Requiring Parenteral Nutrition in the Home Setting
It is estimated that over 25,000 Americans receive home parenteral nutrition (HPN), mostly because of intestinal failure (IF). Although there is significant variability in the fluid and energy needs of patients receiving HPN, intravenous lipid emulsions (ILEs) are an essential part of the macronutrient composition, serving as an excellent source of non-protein energy, as well as supplying essential fatty acids. However, the long-term use of ILEs in particular may be associated with some detrimental health effects, such as intestinal failure associated liver disease (IFALD). Although there is lack of unifying diagnosis, IFALD can present as cholestasis, steatosis, or fibrosis, with a prevalence that ranges between 5% and 43%. The development of IFALD tends to be multifactorial. Risk factors of IFALD can include those related to IF, inflammation/infection, and long-term parenteral nutrition. Some studies have shown a link between development of IFALD and ILE dose, especially if the dose is >1 g/kg/d, with high ω-6:ω-3 polyunsaturated fatty acid (PUFA) ratio and phytosterol content being theorized as some contributing factors. Thus, efforts have been made to use alternative oils (olive oil, medium-chain triglycerides, and fish oil) to reduce the soybean-oil content of ILE, which tends to be high in ω-6 PUFA and phytosterols. Although additional long-term clinical data are emerging, this strategy, as reviewed in the current manuscript, has shown to provide some benefit in both prevention and treatment of IFALD and other sequelae of HPN.
PMID: 32049397
ISSN: 1941-2444
CID: 5411552
Lipids in Parenteral Nutrition: Biological Aspects
Lipid emulsions are an integral part of parenteral nutrition, and traditionally have been regarded as an energy-dense source of calories and essential fatty acids. For many years, lipids used in parenteral nutrition have been based on vegetable oils (eg, soybean-oil emulsions). However, soybean-oil emulsions may not have an optimal fatty-acid composition under some circumstances when used as the only lipid source, as soybean oil is particularly abundant in the ω-6 polyunsaturated fatty acid (PUFA), linoleic acid. Hence, a progressive series of more complex lipid emulsions have been introduced, typically combining soybean oil with 1 or more alternative oils, such as medium-chain triglycerides (MCTs) and/or olive oil and/or fish oil. The wide range of lipid emulsions now available for parenteral nutrition offers opportunities to alter the supply of different fatty acids, which potentially modifies functional properties, with effects on inflammatory processes, immune response, and hepatic metabolism. Fish oil has become an important component of modern, composite lipid emulsions, in part owing to a growing evidence base concerning its biological effects in a variety of preclinical models. These biological activities of fish oil are mainly attributed to its ω-3 PUFA content, particularly docosahexaenoic acid (DHA) and eicosapentaenoic acid (EPA). DHA and EPA have known mechanisms of action, anti-inflammatory, immunomodulatory, and antioxidative properties. Specialized proresolving mediators, such as resolvins, protectins, and maresins, are synthesized directly from DHA and EPA, are key for the resolution of inflammation, and improve outcomes in many cell- and animal-based models and, recently, in some clinical settings.
PMID: 32049394
ISSN: 1941-2444
CID: 5411532
