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Recurrent diabetic ketoacidosis and a brief history of brittle diabetes research: contemporary and past evidence in diabetic ketoacidosis research including mortality, mental health and prevention.
Garrett, CJ, Choudhary, P, Amiel, SA, Fonagy, P, Ismail, K
Diabetic medicine : a journal of the British Diabetic Association. 2019;(11):1329-1335
Abstract
Pharmacological, technological and educational approaches have advanced the treatment of Type 1 diabetes in the last four decades and yet diabetic ketoacidosis (DKA) continues to be a leading cause of admission in Type 1 diabetes. This article begins by reviewing the contemporary epidemiological evidence in DKA. It highlights a rise in DKA episodes in the last two decades, with DKA continuing to be the leading cause of death in young people with Type 1 diabetes, and that DKA episodes are a marker for subsequent all-cause mortality. It also summarizes the limited evidence base for DKA prevention and associations with psychopathology. To emphasize the importance of this group with high-risk Type 1 diabetes and the degree to which they have been overlooked in the past two decades, the article summarizes the research literature of recurrent DKA during 1976-1991 when it was extensively investigated as part of the phenomenon of 'brittle diabetes'. This period saw numerous basic science studies investigating the pathophysiology of recurrent DKA. Subsequently, research centres published their experiences of brittle diabetes research participants manipulating their treatment under research conditions. Unfortunately, the driver for this behaviour and whether it was indicative of other people with ketoacidosis was not pursued. In summary, we suggest there has been a stasis in the approach to recurrent DKA prevention, which is likely linked to historical cases of mass sabotage of brittle diabetes research. Further investigation is required to clarify possible psychological characteristics that increase the risk of DKA and thereby targets for DKA prevention.
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Key Articles and Guidelines in the Management of Heart Failure: 2018 Update.
Jackevicius, CA, Page, RL, Buckley, LF, Jennings, DL, Nappi, JM, Smith, AJ
Journal of pharmacy practice. 2019;(1):77-92
Abstract
Heart failure is one of the leading causes of hospitalizations in the United States, with >1 million admissions yearly and a 25% risk of readmissions within 1 month. In order to assist clinicians, we provide an update of the heart failure bibliography that was published in Pharmacotherapy in 2008, which followed the original bibliography published in 2004. A significant number of clinical trials and observational studies have been conducted since the early 1980s to guide management of heart failure patients. Major advances have occurred in the past 10 years, and our understanding of the diagnosis, prevention, and management of heart failure has evolved substantially during this time period. Specific areas of this review include heart failure risk factors, management of comorbid conditions, acute heart failure management, chronic heart failure management, advanced heart failure, device therapy, lifestyle modification, and medication and therapy management, including medication adherence. Key consensus guidelines and statements are also included. This bibliography of key heart failure papers aims to provide clinicians and their trainees with a valuable clinical reference resource and teaching tool that may be used to optimize the care of patients with heart failure.
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Malnutrition Screening and Assessment in Hospitalised Older People: a Review.
Dent, E, Hoogendijk, EO, Visvanathan, R, Wright, ORL
The journal of nutrition, health & aging. 2019;(5):431-441
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Abstract
Malnutrition (undernutrition) remains one of the most serious health problems for older people worldwide. Many factors contribute to malnutrition in older people, including: loss of appetite, polypharmacy, dementia, frailty, poor dentition, swallowing difficulties, social isolation, and poverty. Malnutrition is common in the hospital setting, yet often remains undetected by medical staff. The objective of this review is to compare the validity and reliability of Nutritional Screening Tools (NSTs) for older adults in the hospital setting. We also provide an overview of the various nutritional screening and assessment tools used to identify malnutrition in hospitalised older adults. These include: Subjective Global Assessment (SGA), the Mini Nutritional Assessment (MNA), MNA-short form (MNA-SF), Malnutrition Universal Screening Tool (MUST), Simplified Nutritional Appetite Questionnaire (SNAQ), Geriatric Nutrition Risk Index (GNRI) and anthropometric measurements. The prevalence and outcomes of malnutrition in hospitalised older adults are also addressed.
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Dietary Sodium Interventions to Prevent Hospitalization and Readmission in Adults with Congestive Heart Failure.
Aronow, WS, Shamliyan, TA
The American journal of medicine. 2018;(4):365-370.e1
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Effects of ferric carboxymaltose on hospitalisations and mortality rates in iron-deficient heart failure patients: an individual patient data meta-analysis.
Anker, SD, Kirwan, BA, van Veldhuisen, DJ, Filippatos, G, Comin-Colet, J, Ruschitzka, F, Lüscher, TF, Arutyunov, GP, Motro, M, Mori, C, et al
European journal of heart failure. 2018;(1):125-133
Abstract
AIMS: Iron deficiency (ID) is a common co-morbidity in patients with heart failure (HF) and has been suggested to be associated with poor prognosis. Recently completed double-blind randomised controlled trials (RCTs) studying HF patients with ID have shown improvements in functional capacity, symptoms and quality of life when treated with i.v. ferric carboxymaltose (FCM). This individual patient data meta-analysis investigates the effect of FCM vs. placebo on recurrent hospitalisations and mortality in HF patients with ID. METHODS AND RESULTS Individual patient data were extracted from four RCTs comparing FCM with placebo in patients with systolic HF and ID. The main outcome measures were recurrent cardiovascular (CV) hospitalisations and CV mortality. Other outcomes included cause-specific hospitalisations and death. The main analyses of recurrent events were backed up by time-to-first-event analyses. In total, 839 patients, of whom 504 were randomised to FCM, were included. Compared with those taking placebo, patients on FCM had lower rates of recurrent CV hospitalisations and CV mortality [rate ratio 0.59, 95% confidence interval (CI) 0.40-0.88; P = 0.009]. Treatment with FCM also reduced recurrent HF hospitalisations and CV mortality (rate ratio 0.53, 95% CI 0.33-0.86; P = 0.011) and recurrent CV hospitalisations and all-cause mortality (rate ratio 0.60, 95% CI 0.41-0.88; P = 0.009). Time-to-first-event analyses showed similar findings, with somewhat attenuated treatment effects. The administration of i.v. FCM was not associated with an increased risk for adverse events. CONCLUSIONS Treatment with i.v. FCM was associated with a reduction in recurrent CV hospitalisations in systolic HF patients with ID.
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Effect of ferric carboxymaltose on hospitalization and mortality outcomes in chronic heart failure: A meta-analysis.
Dalal, J, Katekhaye, V, Jain, R
Indian heart journal. 2017;(6):736-741
Abstract
INTRODUCTION Iron administration especially intravenous iron therapy is associated with improvements in exercise capacity and quality of life in patients with chronic heart failure (CHF). Our aim was to assess effect of ferric carboxymaltose (FCM) on hospitalization and mortality outcomes in CHF. MATERIALS AND METHODS A literature search across PUBMED, Google Scholar and trials database www.clinicaltrials.gov was conducted to search for randomized controlled trials (till August 2016) comparing FCM to placebo in CHF with or without anaemia. Published human studies in English language which reported data on mortality and hospitalization rates were included. Primary outcome was rates of HF hospitalizations and secondary outcomes were hospitalization due to any cardiovascular (CV) cause, death due to worsening HF and any CV death. RESULTS From 17 studies identified, two were included in final analysis (n=760; 455 in FCM and 305 in placebo arms). We observed significantly lower rates of hospitalization for worsening HF in FCM arm [Risk Ratio (RR) 0.34, 95% confidence interval (CI) 0.19, 0.59, p=0.0001] as well as for any CV hospitalizations [RR 0.49, 95% CI 0.35, 0.70; p<0.0001] (figure). No heterogeneity in studies was seen for these two outcomes (I2=0%, p>0.05). No significant treatment effect with FCM was noted in mortality from worsening HF (RR 0.41, 95% CI 0.02, 7.36; p=0.55) or any CV death (RR 0.80, 95% CI 0.40, 1.57; p=0.51). CONCLUSION FCM reduces hospitalization rates in CHF but may not reduce mortality outcome. This finding needs further evaluation in a large, prospective, randomized controlled trial.
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Effects of limiting fluid intake on clinical and laboratory outcomes in patients with heart failure. Results of a meta-analysis of randomized controlled trials.
De Vecchis, R, Baldi, C, Cioppa, C, Giasi, A, Fusco, A
Herz. 2016;(1):63-75
Abstract
BACKGROUND The guidelines of the Scientific Societies of Cardiology recommend limiting fluid intake as a nonpharmacological measure for the management of chronic heart failure (HF). However, many patients with HF may suffer from severe thirst. A meta-analysis was performed to evaluate the effect of limiting fluid consumption based on various clinical and laboratory outcomes in patients with chronic HF. METHODS Only randomized controlled trials comparing liberal and restricted fluid oral intake in patients with HF were included. Primary outcomes were HF hospitalizations and all-cause mortality. Secondary outcomes were the sensation of thirst, the duration of therapy with intravenous diuretics, and the serum levels of creatinine, sodium, and B-type natriuretic peptide (BNP). RESULTS Six studies met the inclusion criteria. Significant heterogeneity was detected for the majority of outcomes. In 5 studies, patients with restricted fluid intake compared to patients with free consumption of beverages had similar rehospitalization and mortality rates. There were no differences regarding patients' sense of thirst (4 studies), duration of intravenous diuretic treatment (2 studies), serum creatinine levels (5 studies), and serum sodium levels (5 studies). Serum BNP levels were significantly higher in the group with free fluid intake (4 studies). CONCLUSION In patients with HF, liberal fluid consumption does not seem to exert an unfavorable impact on HF rehospitalizations or all-cause mortality. Further randomized controlled trials are warranted to definitively confirm the present findings.
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From Science to Finance-A Tool for Deriving Economic Implications from the Results of Dietary Supplement Clinical Studies.
Shanahan, CJ, de Lorimier, R
Journal of dietary supplements. 2016;(1):16-34
Abstract
This article examines evidence showing that the use of key dietary supplements can reduce overall disease treatment-related hospital utilization costs associated with coronary heart disease (CHD) in the United States among those at a high risk of experiencing a costly, disease-related event. Results show that the potential avoided hospital utilization costs related to the use of omega-3 supplements at preventive intake levels among the target population can be as much as $2.06 billion on average per year from 2013 to 2020. The potential net savings in avoided CHD-related hospital utilization costs after accounting for the cost of omega-3 dietary supplements at preventive daily intake levels would be more than $3.88 billion in cumulative health care cost savings from 2013 to 2020. Furthermore, the use of folic acid, B6, and B12 among the target population at preventive intake levels could yield avoided CHD-related hospital utilization costs savings of an average savings of $1.52 billion per year from 2013 to 2020. The potential net savings in avoided CHD-related health care costs after accounting for the cost of folic acid, B6, and B12 utilization at preventive daily intake levels would be more than $5.23 billion in cumulative health care cost net savings during the same period. Thus, targeted dietary supplement regimens are recommended as a means to help control rising societal health care costs, and as a means for high-risk individuals to minimize the chance of having to deal with potentially costly events and to invest in increased quality of life.
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The Economic Burden of Hyponatremia: Systematic Review and Meta-Analysis.
Corona, G, Giuliani, C, Parenti, G, Colombo, GL, Sforza, A, Maggi, M, Forti, G, Peri, A
The American journal of medicine. 2016;(8):823-835.e4
Abstract
BACKGROUND Hyponatremia is the most common electrolyte abnormality observed in clinical practice. Several studies have demonstrated that hyponatremia is associated with an increased length of hospital stay and of hospital resource utilization. To clarify the impact of hyponatremia on the length of hospitalization and costs, we performed a meta-analysis based on published studies that compared hospital length of stay and cost between patients with and without hyponatremia. METHODS An extensive Medline, Embase, and Cochrane search was performed to retrieve all studies published up to April 1, 2015 using the following words: "hyponatremia" or "hyponatraemia" AND "hospitalization" or "hospitalisation." A meta-analysis was performed including all studies comparing duration of hospitalization and hospital readmission rate in subjects with and without hyponatremia. RESULTS Of 444 retrieved articles, 46 studies satisfied the inclusion criteria, encompassing a total of 3,940,042 patients; among these, 757,763 (19.2%) were hyponatremic. Across all studies, hyponatremia was associated with a significantly longer duration of hospitalization (3.30 [2.90-3.71; 95% CIs] mean days; P < .000). Similar results were obtained when patients with associated morbidities were analyzed separately. Furthermore, hyponatremic patients had a higher risk of readmission after the first hospitalization (odds ratio 1.32 [1.18-1.48; 95% CIs]; P < .000). A meta-regression analysis showed that the hyponatremia-related length of hospital stay was higher in males (Slope = 0.09 [0.05-0.12; 95% CIs]; P = .000 and Intercept = -1.36 [-3.03-0.32; 95% CIs]; P = .11) and in elderly patients (Slope = 0.002 [0.001-0.003; 95% CIs]; P < .000 and Intercept = 0.89 [0.83-0.97; 95% CIs]; P < .001). A negative association between serum [Na(+)] cutoff and duration of hospitalization was detected. No association between duration of hospitalization, serum [Na(+)], and associated morbidities was observed. Finally, when only US studies (n = 8) were considered, hyponatremia was associated with up to around $3000 higher hospital costs/patient when compared with the cost of normonatremic subjects. CONCLUSIONS This meta-analysis confirms that hyponatremia is associated with a prolonged hospital length of stay and higher risk of readmission. These observations suggest that hyponatremia may represent one important determinant of the hospitalization costs.
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Should sodium intake be restricted in chronic heart failure?
Castro-Gutiérrez, V, Rada, G
Medwave. 2016;(Suppl5):e6696
Abstract
Sodium restriction has been recommended in chronic heart failure for decades. However, the evidence about the benefit of this measure is not clear, and it might even increase risks. Searching in Epistemonikos database, which is maintained by screening multiple databases, we identified three systematic reviews incorporating 13 studies addressing the question of this article, 10 were randomized trials. We extracted data, combined the evidence using meta-analysis and generated a summary of findings table following the GRADE approach. We concluded sodium restriction might increase mortality and the risk of hospital admission in chronic heart failure, but the certainty of the evidence is low.