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Protocolized Treatment Is Associated With Decreased Organ Dysfunction in Pediatric Severe Sepsis.

ABSTRACT: To determine whether treatment with a protocolized sepsis guideline in the emergency department was associated with a lower burden of organ dysfunction by hospital day 2 compared to nonprotocolized usual care in pediatric patients with severe sepsis.Retrospective cohort study.Tertiary care children's hospital from January 1, 2012, to March 31, 2014.Patients older than 56 days old and younger than 18 years old with international consensus defined severe sepsis and who required PICU admission within 24 hours of emergency department arrival were included.The exposure was the use of a protocolized emergency department sepsis guideline. The primary outcome was complete resolution of organ dysfunction by hospital day 2. One hundred eighty nine subjects were identified during the study period. Of these, 121 (64%) were treated with the protocolized emergency department guideline and 68 were not. There were no significant differences between the groups in age, sex, race, number of comorbid conditions, emergency department triage level, or organ dysfunction on arrival to the emergency department. Patients treated with protocolized emergency department care were more likely to be free of organ dysfunction on hospital day 2 after controlling for sex, comorbid condition, indwelling central venous catheter, Pediatric Index of Mortality-2 score, and timing of antibiotics and IV fluids (adjusted odds ratio, 4.2; 95% CI, 1.7-10.4).Use of a protocolized emergency department sepsis guideline was independently associated with resolution of organ dysfunction by hospital day 2 compared to nonprotocolized usual care. These data indicate that morbidity outcomes in children can be improved with the use of protocolized care.

SUBMITTER: Balamuth F

PROVIDER: S-EPMC5008999 | biostudies-literature | 2016 Sep

REPOSITORIES: biostudies-literature

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Protocolized Treatment Is Associated With Decreased Organ Dysfunction in Pediatric Severe Sepsis.

Balamuth Fran F Weiss Scott L SL Fitzgerald Julie C JC Hayes Katie K Centkowski Sierra S Chilutti Marianne M Grundmeier Robert W RW Lavelle Jane J Alpern Elizabeth R ER

Pediatric critical care medicine : a journal of the Society of Critical Care Medicine and the World Federation of Pediatric Intensive and Critical Care Societies 20160901 9

<h4>Objectives</h4>To determine whether treatment with a protocolized sepsis guideline in the emergency department was associated with a lower burden of organ dysfunction by hospital day 2 compared to nonprotocolized usual care in pediatric patients with severe sepsis.<h4>Design</h4>Retrospective cohort study.<h4>Setting</h4>Tertiary care children's hospital from January 1, 2012, to March 31, 2014.<h4>Subjects</h4>Patients older than 56 days old and younger than 18 years old with international c ...[more]

PMID: 27455114

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Project description:ObjectivesTo evaluate risk factors for poor functional outcome in 28-day survivors after an episode of severe sepsis.DesignRetrospective cohort study examining data from the Researching Severe Sepsis and Organ Dysfunction in Children: A Global Perspective trial (NCT00049764).SettingOne hundred and four pediatric centers in 18 countries.SubjectsChildren with severe sepsis who required both vasoactive-inotropic infusions and mechanical ventilation and who survived to 28 days (n = 384).InterventionsNone.Measurements and main resultsPoor functional outcome was defined as a Pediatric Overall Performance Category score greater than or equal to 3 and an increase from baseline when measured 28 days after trial enrollment. Median Pediatric Overall Performance Category at enrollment was 1 (interquartile range, 1-2). Median Pediatric Overall Performance Category at 28 days was 2 (interquartile range, 1-4). Thirty-four percent of survivors had decline in their functional status at 28 days, and 18% were determined to have a "poor" functional outcome. Hispanic ethnicity was associated with poor functional outcome compared to the white referent group (risk ratio = 1.9; 95% CI: 1.0-3.0). Clinical factors associated with increased risk of poor outcome included CNS and intra-abdominal infection sources compared to the lung infection referent category (risk ratio = 3.3; 95% CI: 1.4-5.6 and 2.4; 95% CI: 1.0-4.5, respectively); a history of recent trauma (risk ratio = 3.9; 95% CI: 1.4-5.4); receipt of cardiopulmonary resuscitation prior to enrollment (risk ratio = 5.1; 95% CI: 2.9-5.7); and baseline Pediatric Risk of Mortality III score of 20-29 (risk ratio = 2.8; 95% CI: 1.2-5.2) and Pediatric Risk of Mortality III greater than or equal to 30 (risk ratio = 4.5; 95% CI: 1.6-8.0) compared to the referent group with Pediatric Risk of Mortality III scores of 0-9.ConclusionsIn this sample of 28-day survivors of pediatric severe sepsis diminished functional status was common. This analysis provides evidence that particular patient characteristics and aspects of an individual's clinical course are associated with poor functional outcome 28 days after onset of severe sepsis. These characteristics may provide opportunity for intervention in order to improve functional outcome in pediatric patients with severe sepsis. Decline in functional status 28 days after onset of severe sepsis is a frequent and potentially clinically meaningful event. Utilization of functional status as the primary outcome in future pediatric sepsis clinical trials should be considered.

Project description:OBJECTIVES:Limited data exist about the timing and significance of mitochondrial alterations in children with sepsis. We therefore sought to determine if alterations in mitochondrial respiration and content within circulating peripheral blood mononuclear cells were associated with organ dysfunction in pediatric sepsis. DESIGN:Prospective observational study SETTING:: Single academic PICU. PATIENTS:One-hundred sixty-seven children with sepsis/septic shock and 19 PICU controls without sepsis, infection, or organ dysfunction. INTERVENTIONS:None. MEASUREMENTS AND MAIN RESULTS:Mitochondrial respiration and content were measured in peripheral blood mononuclear cells on days 1-2, 3-5, and 8-14 after sepsis recognition or once for controls. Severity and duration of organ dysfunction were determined using the Pediatric Logistic Organ Dysfunction score and organ failure-free days through day 28. Day 1-2 maximal uncoupled respiration (9.7?±?7.7 vs 13.7?±?4.1 pmol O2/s/10 cells; p = 0.02) and spare respiratory capacity (an index of bioenergetic reserve: 6.2?±?4.3 vs 9.6?±?3.1; p = 0.005) were lower in sepsis than controls. Mitochondrial content, measured by mitochondrial DNA/nuclear DNA, was higher in sepsis on day 1-2 than controls (p = 0.04) and increased in sepsis patients who had improving spare respiratory capacity over time (p = 0.005). Mitochondrial respiration and content were not associated with day 1-2 Pediatric Logistic Organ Dysfunction score, but low spare respiratory capacity was associated with higher Pediatric Logistic Organ Dysfunction score on day 3-5. Persistently low spare respiratory capacity was predictive of residual organ dysfunction on day 14 (area under the receiver operating characteristic, 0.72; 95% CI, 0.61-0.84) and trended toward fewer organ failure-free days although day 28 (? coefficient, -0.64; 95% CI, -1.35 to 0.06; p = 0.08). CONCLUSIONS:Mitochondrial respiration was acutely decreased in peripheral blood mononuclear cells in pediatric sepsis despite an increase in mitochondrial content. Over time, a rise in mitochondrial DNA tracked with improved respiration. Although initial mitochondrial alterations in peripheral blood mononuclear cells were unrelated to organ dysfunction, persistently low respiration was associated with slower recovery from organ dysfunction.

Project description:OBJECTIVES:To describe the epidemiology, morbidity, and mortality of new or progressive multiple organ dysfunction syndrome in children with severe sepsis. DESIGN:Secondary analysis of a prospective, cross-sectional, point prevalence study. SETTING:International, multicenter PICUs. PATIENTS:Pediatric patients with severe sepsis identified on five separate days over a 1-year period. INTERVENTIONS:None. MEASUREMENTS AND MAIN RESULTS:Of 567 patients from 128 PICUs in 26 countries enrolled, 384 (68%) developed multiple organ dysfunction syndrome within 7 days of severe sepsis recognition. Three hundred twenty-seven had multiple organ dysfunction syndrome on the day of sepsis recognition. Ninety-one of these patients developed progressive multiple organ dysfunction syndrome, whereas an additional 57 patients subsequently developed new multiple organ dysfunction syndrome, yielding a total proportion with severe sepsis-associated new or progressive multiple organ dysfunction syndrome of 26%. Hospital mortality in patients with progressive multiple organ dysfunction syndrome was 51% compared with patients with new multiple organ dysfunction syndrome (28%) and those with single-organ dysfunction without multiple organ dysfunction syndrome (10%) (p < 0.001). Survivors of new or progressive multiple organ dysfunction syndrome also had a higher frequency of moderate to severe disability defined as a Pediatric Overall Performance Category score of greater than or equal to 3 and an increase of greater than or equal to 1 from baseline: 22% versus 29% versus 11% for progressive, new, and no multiple organ dysfunction syndrome, respectively (p < 0.001). CONCLUSIONS:Development of new or progressive multiple organ dysfunction syndrome is common (26%) in severe sepsis and is associated with a higher risk of morbidity and mortality than severe sepsis without new or progressive multiple organ dysfunction syndrome. Our data support the use of new or progressive multiple organ dysfunction syndrome as an important outcome in trials of pediatric severe sepsis although efforts are needed to validate whether reducing new or progressive multiple organ dysfunction syndrome leads to improvements in more definitive morbidity and mortality endpoints.

Project description:IntroductionSepsis is a leading cause of admission to non-cardiological intensive care units (ICUs) and the second leading cause of death among ICU patients. We present the first extensive dataset on the epidemiology of severe sepsis treated in ICUs in Spain.MethodsWe conducted a prospective, observational, multicentre cohort study, carried out over two 3-month periods in 2002. Our aims were to determine the incidence of severe sepsis among adults in ICUs in a specific area in Spain, to determine the early (48 h) ICU and hospital mortality rates, as well as factors associated with the risk of death.ResultsA total of 4,317 patients were admitted and 2,619 patients were eligible for the study; 311 (11.9%) of these presented at least 1 episode of severe sepsis, and 324 (12.4%) episodes of severe sepsis were recorded. The estimated accumulated incidence for the population was 25 cases of severe sepsis attended in ICUs per 100,000 inhabitants per year. The mean logistic organ dysfunction system (LODS) upon admission was 6.3; the mean sepsis-related organ failure assessment (SOFA) score on the first day was 9.6. Two or more organ failures were present at diagnosis in 78.1% of the patients. A microbiological diagnosis of the infection was reached in 209 episodes of sepsis (64.5%) and the most common clinical diagnosis was pneumonia (42.8%). A total of 169 patients (54.3%) died in hospital, 150 (48.2%) of these in the ICU. The mortality in the first 48 h was 14.8%. Factors associated with early death were haematological failure and liver failure at diagnosis, acquisition of the infection prior to ICU admission, and total LODS score on admission. Factors associated with death in the hospital were age, chronic alcohol abuse, increased McCabe score, higher LODS on admission, DeltaSOFA 3-1 (defined as the difference in the total SOFA scores on day 3 and on day 1), and the difference of the area under the curve of the SOFA score throughout the first 15 days.ConclusionsWe found a high incidence of severe sepsis attended in the ICU and high ICU and hospital mortality rates. The high prevalence of multiple organ failure at diagnosis and the high mortality in the first 48 h suggests delays in diagnosis, in initial resuscitation, and/or in initiating appropriate antibiotic treatment.

Project description:Objective: To evaluate serial ferritin levels measured in the initial 72 h of admission as a biomarker for new and progressive multi organ dysfunction syndrome (NPMODS) and mortality (unfavorable outcomes) in critically ill children with sepsis due to tropical infections. Material and Methods: In this prospective observational study from a tertiary care teaching hospital in India, children 3 month to 12 years with a diagnosis of acute febrile illness and any two features suggesting tropical infections [cytopenia (platelet count <1,00,000/cu.mm, total leucocyte count <4,000/cu.mm), hepatomegaly and/or splenomegaly, lymphadenopathy, systemic signs (rash, edema), respiratory distress, and encephalopathy not accounted by localized infection] were eligible for inclusion. Children with known or suspected disorder of iron metabolism were excluded. Primary outcome was to determine the association of serial ferritin levels with mortality and NPMODS. Secondary outcomes included estimation of the prevalence of hyperferritinemia and comparison of risk prediction scores with serial ferritin measurement in predicting unfavorable outcomes. Measurements and Main Results: In the 202 children enrolled, diagnosis could be established in 133 (65.8%) children. Scrub typhus and dengue were the most common infections. Median (IQR) ferritin measured at admission (n = 183) and on day 3 (n = 120) of hospital stay were 798 (378, 3,205) μg/L and 429 (213,680) μg/L, respectively. Majority (n = 180, 89.1%) had MODS at admission defined as per International pediatric sepsis consensus conference. NPMODS occurred in 47 (23.3%) children of whom 37 (18.3%) died. Children with three or less organ dysfunctions had lower mortality. Neither admission ferritin values nor the percentage change over 72 h was different between children with favorable and unfavorable outcomes. Pediatric Risk of Mortality (PRISM-III) and daily Pediatric Logistic Organ Dysfunction score (dPELOD2 score) were significantly different in those with unfavorable outcomes. Admission ferritin levels and percentage change in 72 h had poor discriminatory power for mortality with AUC of 0.53 (0.53, 0.67) and 0.50 (0.50, 0.64), respectively. dPELOD2 had the best discriminatory power for mortality with AUC of 0.89 (0.89, 0.95). Conclusions: Serial ferritin estimation predicted neither organ dysfunction nor mortality in pediatric sepsis with tropical infections. dPELOD-2 and PRISM-III predicted unfavorable outcomes better than ferritin. The current diagnostic criteria for MODS overestimated organ dysfunctions in tropical infections and hence may need modification with further validation in this epidemiological cohort.

Project description:ContextSevere sepsis, defined as infection complicated by acute organ dysfunction, occurs more frequently and leads to more deaths in black than in white individuals. The optimal approach to minimize these disparities is unclear.ObjectiveTo determine the extent to which higher severe sepsis rates in black than in white patients are due to higher infection rates or to a higher risk of acute organ dysfunction.Design, setting, and participantsAnalysis of infection-related hospitalizations from the 2005 hospital discharge data of 7 US states and infection-related emergency department visits from the 2003-2007 National Hospital Ambulatory Care Survey.Main outcome measureAge- and sex-standardized severe sepsis and infection hospitalization rates and the risk of acute organ dysfunction.ResultsOf 8,661,227 non-childbirth-related discharges, 2,261,857 were associated with an infection, and of these, 381,787 (16.8%) had severe sepsis. Black patients had a 67% higher age- and sex-standardized severe sepsis rate than did white patients (9.4; 95% confidence interval [CI], 9.3-9.5 vs 5.6; 95% CI, 5.6-5.6 per 1000 population; P < .001) and 80% higher standardized mortality (1.8, 95% CI, 1.8-1.9 vs 1.0, 95% CI, 1.0-1.1 per 1000 population; P < .001). The higher severe sepsis rate was explained by both a higher infection rate in black patients (47.3; 95% CI, 47.1-47.4 vs 34.0; 95% CI, 33.9-34.0 per 1000 population; incidence rate ratio, 1.39; P < .001) and a higher risk of developing acute organ dysfunction (age- and sex-adjusted odds ratio [OR], 1.29; 95% CI, 1.27-1.30; P < .001). Differences in infection presented broadly across different sites and etiology of infection and for community- and hospital-acquired infections and occurred despite a lower likelihood of being admitted for infection from the emergency department (adjusted OR, 0.70; 95% CI, 0.64-0.76; P < .001). The higher risk of organ dysfunction persisted but was attenuated after adjusting for age, sex, comorbid conditions, poverty, and hospital effect (OR, 1.14; 95% CI, 1.13-1.16; P < .001). Racial disparities in infection and severe sepsis incidence and mortality rates were largest among younger adults (eg, the proportion of invasive pneumococcal disease occurring in adults < 65 years was 73.9% among black patients vs 44.5% among white patients, P < .001).ConclusionRacial differences in severe sepsis are explained by both a higher infection rate and a higher risk of acute organ dysfunction in black than in white individuals.

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Protocolized Treatment Is Associated With Decreased Organ Dysfunction in Pediatric Severe Sepsis.

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Protocolized Treatment Is Associated With Decreased Organ Dysfunction in Pediatric Severe Sepsis.

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