Background— Trends in cardiovascular mortality across Europe demonstrate significant geographical variation, and an understanding of these trends has a central role in global public health. Methods and Results— Ischemic heart disease and cerebrovascular disease age-standardized death rates (as per International Classification of Diseases , ninth and tenth revisions) were collated from the World Health Organization mortality database for member states of the European Union. Trends were characterized by using Joinpoint regression analysis. An overall trend for reduction in ischemic heart disease mortality was observed, most pronounced in Western Europe (>60% for the Netherlands, United Kingdom, and Ireland) for both sexes from 1980 to 2009. Eastern European states, Romania, Croatia, and Slovakia, had modest mortality reductions. Most recently (2009), Lithuania had the highest mortality for males and females (318.1/100 000 and 166.1/100 000, respectively), followed by Latvia and Slovakia. France had the lowest mortality: 39.8/100 000 for males and 14.7/100 000 for females. Analysis of cerebrovascular disease mortality revealed that Austria had the largest reduction for both sexes (76.8% males, 76.5% females) from 1980 to 2009. The smallest improvement over this period was seen in Lithuania, Poland, and Cyprus (–5% to +20% approximately). France has the lowest present-day cerebrovascular disease mortality for both males and females (23.9/100 000 and 17.3/100 000, respectively). Conclusions— There is a growing disparity in cardiovascular mortality between Western and Eastern Europe, for which diverse explanations are discussed. The need for population-wide health promotion and primary prevention policies is emphasized.
IntroductionThe neutrophil-to-lymphocyte ratio (NLR) is a biological marker that has been shown to be associated with outcomes in patients with a number of different malignancies. The objective of this study was to assess the relationship between NLR and mortality in a population of adult critically ill patients.MethodsWe performed an observational cohort study of unselected intensive care unit (ICU) patients based on records in a large clinical database. We computed individual patient NLR and categorized patients by quartile of this ratio. The association of NLR quartiles and 28-day mortality was assessed using multivariable logistic regression. Secondary outcomes included mortality in the ICU, in-hospital mortality and 1-year mortality. An a priori subgroup analysis of patients with versus without sepsis was performed to assess any differences in the relationship between the NLR and outcomes in these cohorts.ResultsA total of 5,056 patients were included. Their 28-day mortality rate was 19%. The median age of the cohort was 65 years, and 47% were female. The median NLR for the entire cohort was 8.9 (interquartile range, 4.99 to 16.21). Following multivariable adjustments, there was a stepwise increase in mortality with increasing quartiles of NLR (first quartile: reference category; second quartile odds ratio (OR) = 1.32; 95% confidence interval (CI), 1.03 to 1.71; third quartile OR = 1.43; 95% CI, 1.12 to 1.83; 4th quartile OR = 1.71; 95% CI, 1.35 to 2.16). A similar stepwise relationship was identified in the subgroup of patients who presented without sepsis. The NLR was not associated with 28-day mortality in patients with sepsis. Increasing quartile of NLR was statistically significantly associated with secondary outcome.ConclusionThe NLR is associated with outcomes in unselected critically ill patients. In patients with sepsis, there was no statistically significant relationship between NLR and mortality. Further investigation is required to increase understanding of the pathophysiology of this relationship and to validate these findings with data collected prospectively.Electronic supplementary materialThe online version of this article (doi:10.1186/s13054-014-0731-6) contains supplementary material, which is available to authorized users.
Objective To determine if earlier administration of epinephrine (adrenaline) in patients with non-shockable cardiac arrest rhythms is associated with increased return of spontaneous circulation, survival, and neurologically intact survival.Design Post hoc analysis of prospectively collected data in a large multicenter registry of in-hospital cardiac arrests (Get With The Guidelines-Resuscitation).Setting We utilized the Get With The Guidelines-Resuscitation database (formerly National Registry of Cardiopulmonary Resuscitation, NRCPR). The database is sponsored by the American Heart Association (AHA) and contains prospective data from 570 American hospitals collected from 1 January 2000 to 19 November 2009.Participants 119 978 adults from 570 hospitals who had a cardiac arrest in hospital with asystole (55%) or pulseless electrical activity (45%) as the initial rhythm. Of these, 83 490 arrests were excluded because they took place in the emergency department, intensive care unit, or surgical or other specialty unit, 10 775 patients were excluded because of missing or incomplete data, 524 patients were excluded because they had a repeat cardiac arrest, and 85 patients were excluded as they received vasopressin before the first dose of epinephrine. The main study population therefore comprised 25 095 patients. The mean age was 72, and 57% were men. Main outcome measuresThe primary outcome was survival to hospital discharge. Secondary outcomes included sustained return of spontaneous circulation, 24 hour survival, and survival with favorable neurologic status at hospital discharge.Results 25 095 adults had in-hospital cardiac arrest with non-shockable rhythms. Median time to administration of the first dose of epinephrine was 3 minutes (interquartile range 1-5 minutes). There was a stepwise decrease in survival with increasing interval of time to epinephrine (analyzed by three minute intervals): adjusted odds ratio 1.0 for 1-3 minutes (reference group); 0.91 (95% confidence interval 0.82 to 1.00; P=0.055) for 4-6 minutes; 0.74 (0.63 to 0.88; P<0.001) for 7-9 minutes; and 0.63 (0.52 to 0.76; P<0.001) for >9 minutes. A similar stepwise effect was observed across all outcome variables. ConclusionsIn patients with non-shockable cardiac arrest in hospital, earlier administration of epinephrine is associated with a higher Correspondence to: M W Donnino,
Introduction Rate of lactate change is associated with in-hospital mortality in post-cardiac arrest patients. This association has not been validated in a prospective multicenter study. Objective To determine the association between percent lactate change and outcomes in post-cardiac arrest patients. Methods Four-center prospective observational study conducted from June 2011 to March 2012. Inclusion criteria consisted of adult out-of-hospital non-traumatic cardiac arrest patients who were comatose after return of spontaneous circulation. The primary outcome was survival to hospital discharge, and secondary outcome was good neurological outcome. We compared the absolute lactate levels and the differences in the percent lactate change over 24-hrs between survivors and non-survivors and between subjects with good and bad neurological outcomes. Results 100 patients were analyzed. The median age was 63 years (IQR: 50 – 75) and 40% were female. 97% received therapeutic hypothermia and overall survival was 46%. Survivors and patients with good neurological outcome had lower lactate levels at 0, 12 and 24 hours (p < 0.01). In adjusted models percent lactate decrease at 12 hours was greater in survivors (OR 2.2 [95% CI 1.1 – 6.2]) and in those with good neurological outcome (OR 2.2 [95% CI 1.1 – 4.4]). Conclusion Lower lactate levels at 0, 12 and 24 hours as well as greater percent decrease in lactate over the first 12-hours post-cardiac arrest are associated with survival and good neurologic outcome.
Purpose The prevalence and clinical significance of lactic acidosis in diabetic ketoacidosis (DKA) are understudied. The objective of this study was to determine the prevalence of lactic acidosis in DKA and its association with intensive care unit (ICU) length of stay (LOS) and mortality. Methods Retrospective, observational study of patients with DKA presenting to the emergency department of an urban tertiary care hospital between January 2004 and June 2008. Results Sixty-eight patients with DKA who presented to the emergency department were included in the analysis. Of 68 patients, 46 (68%) had lactic acidosis (lactate, >2.5 mmol/L), and 27 (40%) of 68 had a high lactate (>4 mmol/L). The median lactate was 3.5 mmol/L (interquartile range, 3.32–4.12). There was no association between lactate and ICU LOS in a multivariable model controlling for Acute Physiology and Chronic Health Evaluation II, glucose, and creatinine. Lactate correlated negatively with blood pressure (r = −0.44; P < .001) and positively with glucose (r = 0.34; P = .004). Conclusions Lactic acidosis is more common in DKA than traditionally appreciated and is not associated with increased ICU LOS or mortality. The positive correlation of lactate with glucose raises the possibility that lactic acidosis in DKA may be due not only to hypoperfusion but also to altered glucose metabolism.
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