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Risk Factors on Hospital Arrival for Acute Respiratory Distress Syndrome Following Pediatric Trauma.

ABSTRACT: OBJECTIVES:To determine risk factors identifiable at hospital arrival associated with acute respiratory distress syndrome development among critically injured children. DESIGN:Retrospective cohort study. SETTING:Level I or II adult or pediatric trauma centers contributing to the National Trauma Data Bank from 2007 to 2016. PATIENTS:Patients less than 18 years admitted to an ICU with traumatic injury. INTERVENTIONS:None. MEASUREMENTS AND MAIN RESULTS:We determined associations between patient, injury, and clinical characteristics present at hospital arrival with development of acute respiratory distress syndrome recorded as a hospital complication. Acute respiratory distress syndrome occurred in 1.8% of 146,058 critically injured children (n = 2,590). The only demographic factor associated with higher risk of developing acute respiratory distress syndrome on multivariable analysis was African American race (relative risk, 1.42 vs white; 95% CI, 1.13-1.78). Injury characteristics included firearm injuries (relative risk 1.93; 1.50-2.48) and motor vehicle crashes (relative risk, 1.91; 1.57-2.31) relative to falls; spine (relative risk, 1.39; 1.20-1.60), chest (relative risk, 1.36; 1.22-1.52), or lower extremity injuries (relative risk, 1.26; 1.10-1.44); amputations (relative risk, 2.10; 1.51-2.91); and more severe injury (relative risk, 3.69 for Injury Severity Score 40-75 vs 1-8; 2.50-5.44). Clinical variables included abnormal respiratory status (intubated relative risk, 1.67; 1.23-2.26 and hypopnea relative risk, 1.23; 1.05-1.45 and tachypnea relative risk, 1.26; 1.10-1.44) and lower Glasgow Coma Scale score (relative risk, 5.61 for Glasgow Coma Scale score 3 vs 15; 4.44-7.07). CONCLUSIONS:We provide the first description of the incidence of and risk factors for acute respiratory distress syndrome among pediatric trauma patients. Improved understanding of the risk factors associated with acute respiratory distress syndrome following pediatric trauma may help providers anticipate its development and intervene early to improve outcomes for severely injured children.

SUBMITTER: Killien EY

PROVIDER: S-EPMC6239886 | biostudies-literature | 2018 Dec

REPOSITORIES: biostudies-literature

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Risk Factors on Hospital Arrival for Acute Respiratory Distress Syndrome Following Pediatric Trauma.

Killien Elizabeth Y EY Mills Brianna B Watson R Scott RS Vavilala Monica S MS Rivara Frederick P FP

Critical care medicine 20181201 12

<h4>Objectives</h4>To determine risk factors identifiable at hospital arrival associated with acute respiratory distress syndrome development among critically injured children.<h4>Design</h4>Retrospective cohort study.<h4>Setting</h4>Level I or II adult or pediatric trauma centers contributing to the National Trauma Data Bank from 2007 to 2016.<h4>Patients</h4>Patients less than 18 years admitted to an ICU with traumatic injury.<h4>Interventions</h4>None.<h4>Measurements and main results</h4>We ...[more]

PMID: 30119074

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Project description:ObjectivesTo assess the incidence, severity, and outcomes of pediatric acute respiratory distress syndrome following trauma using Pediatric Acute Lung Injury Consensus Conference criteria.DesignRetrospective cohort study.SettingLevel 1 pediatric trauma center.PatientsTrauma patients less than or equal to 17 years admitted to the ICU from 2009 to 2017.InterventionsNone.Measurements and main resultsWe queried electronic health records to identify patients meeting pediatric acute respiratory distress syndrome oxygenation criteria for greater than or equal to 6 hours and determined whether patients met complete pediatric acute respiratory distress syndrome criteria via chart review. We estimated associations between pediatric acute respiratory distress syndrome and outcome using generalized linear Poisson regression adjusted for age, injury mechanism, Injury Severity Score, and serious brain and chest injuries. Of 2,470 critically injured children, 103 (4.2%) met pediatric acute respiratory distress syndrome criteria. Mortality was 34.0% among pediatric acute respiratory distress syndrome patients versus 1.7% among patients without pediatric acute respiratory distress syndrome (adjusted relative risk, 3.7; 95% CI, 2.0-6.9). Mortality was 50.0% for severe pediatric acute respiratory distress syndrome at onset, 33.3% for moderate, and 30.5% for mild. Cause of death was neurologic in 60.0% and multiple organ failure in 34.3% of pediatric acute respiratory distress syndrome nonsurvivors versus neurologic in 85.4% of nonsurvivors without pediatric acute respiratory distress syndrome (p = 0.001). Among survivors, 77.1% of pediatric acute respiratory distress syndrome patients had functional disability at discharge versus 30.7% of patients without pediatric acute respiratory distress syndrome patients (p < 0.001), and only 17.5% of pediatric acute respiratory distress syndrome patients discharged home without ongoing care versus 86.4% of patients without pediatric acute respiratory distress syndrome (adjusted relative risk, 1.5; 1.1-2.1).ConclusionsIncidence and mortality associated with pediatric acute respiratory distress syndrome following traumatic injury are substantially higher than previously recognized, and pediatric acute respiratory distress syndrome development is associated with high risk of poor outcome even after adjustment for underlying injury type and severity.

Project description:BACKGROUND:Improved understanding of the relationship between patient age and acute respiratory distress syndrome (ARDS) development and mortality following traumatic injury may help facilitate generation of new hypotheses about ARDS pathophysiology and the role of novel treatments to improve outcomes across the age spectrum. METHODS:We conducted a retrospective cohort study of trauma patients included in the National Trauma Data Bank who were admitted to an intensive care unit from 2007 to 2016. We determined ARDS incidence and mortality across eight age groups for the entire 10-year study period and by year. We used generalized linear Poisson regression models adjusted for underlying mortality risk (injury mechanism, Injury Severity Score, admission Glasgow Coma Scale score, admission heart rate, and admission hypotension). RESULTS:Acute respiratory distress syndrome occurred in 3.1% of 1,297,190 trauma encounters. Acute respiratory distress syndrome incidence was lowest among pediatric patients and highest among adults aged 35 to 64 years. Acute respiratory distress syndrome mortality was highest among patients 80 years or older (43.9%), followed by 65 to 79 years (30.6%) and 4 years or younger (25.3%). The relative risk of mortality associated with ARDS was highest among the pediatric age groups, with an adjusted relative risk (aRR) of 2.06 (95% confidence interval [CI], 1.72-2.70) among patients 4 years or younger compared with an aRR of 1.51 (95% CI, 1.42-1.62) for the entire cohort. Acute respiratory distress syndrome mortality increased over the 10-year study period (aRR, 1.03 per year; 95% CI, 1.02-1.05 per year), whereas all-cause mortality decreased (aRR, 0.98 per year; 95% CI, 0.98-0.99 per year). CONCLUSIONS:While ARDS development following traumatic injury was most common in middle-aged adults, patients 4 years or younger and 65 years or older with ARDS experienced the highest burden of mortality. Children 4 years or younger were disproportionately affected by ARDS relative to their low underlying mortality following trauma that was not complicated by ARDS. Acute respiratory distress syndrome-associated mortality following trauma has worsened over the past decade, emphasizing the need for new prevention and treatment strategies. LEVEL OF EVIDENCE:Prognostic/epidemiological study, level III.

Project description:ObjectivesPediatric acute respiratory distress syndrome is heterogeneous, with a paucity of risk stratification tools to assist with trial design. We aimed to develop and validate mortality prediction models for patients with pediatric acute respiratory distress syndrome.DesignLeveraging additional data collection from a preplanned ancillary study (Version 1) of the multinational Pediatric Acute Respiratory Distress syndrome Incidence and Epidemiology study, we identified predictors of mortality. Separate models were built for the entire Version 1 cohort, for the cohort excluding neurologic deaths, for intubated subjects, and for intubated subjects excluding neurologic deaths. Models were externally validated in a cohort of intubated pediatric acute respiratory distress syndrome patients from the Children's Hospital of Philadelphia.SettingThe derivation cohort represented 100 centers worldwide; the validation cohort was from Children's Hospital of Philadelphia.PatientsThere were 624 and 640 subjects in the derivation and validation cohorts, respectively.InterventionsNone.Measurements and main resultsThe model for the full cohort included immunocompromised status, Pediatric Logistic Organ Dysfunction 2 score, day 0 vasopressor-inotrope score and fluid balance, and PaO2/FIO2 6 hours after pediatric acute respiratory distress syndrome onset. This model had good discrimination (area under the receiver operating characteristic curve 0.82), calibration, and internal validation. Models excluding neurologic deaths, for intubated subjects, and for intubated subjects excluding neurologic deaths also demonstrated good discrimination (all area under the receiver operating characteristic curve ≥ 0.84) and calibration. In the validation cohort, models for intubated pediatric acute respiratory distress syndrome (including and excluding neurologic deaths) had excellent discrimination (both area under the receiver operating characteristic curve ≥ 0.85), but poor calibration. After revision, the model for all intubated subjects remained miscalibrated, whereas the model excluding neurologic deaths showed perfect calibration. Mortality models also stratified ventilator-free days at 28 days in both derivation and validation cohorts.ConclusionsWe describe predictive models for mortality in pediatric acute respiratory distress syndrome using readily available variables from day 0 of pediatric acute respiratory distress syndrome which outperform severity of illness scores and which demonstrate utility for composite outcomes such as ventilator-free days. Models can assist with risk stratification for clinical trials.

Project description:Acute lung injury (ALI) and acute respiratory distress syndrome (ARDS) are known complications of injuries in combat casualties, but there has been no review characterizing them. This scoping review aims to map the combat trauma-related ALI/ARDS literature and characterize these conditions in the military population.Data sourcesPubmed was searched from 1969 to April 2022.Study selectionStudies were included if they examined ALI/ARDS or related entities (blast lung injury [BLI], transfusion-related acute lung injury, and acute respiratory failure) in combat trauma patients in the military (U.S. or allied forces).Data extractionStudy years, design, location, number of patients, target outcomes as related to ALI/ARDS or related entities, and results were collected.Data synthesisThe initial search yielded 442 studies, with 22 ultimately included. Literature on ALI/ARDS comes mostly from retrospective data and case studies, with limited prospective studies. The incidence and prevalence of ALI/ARDS range from 3% to 33%, and mortality 12.8% to 33%. BLI, a known antecedent to ALI/ARDS, has an incidence and mortality ranging from 1.4% to 40% and 11% to 56%, respectively. Risk factors for ALI/ARDS include pulmonary injury, inhalation injury, blunt trauma, pneumonia, higher military injury severity score, higher injury severity score, higher fresh frozen plasma volumes, higher plasma and platelet volumes, the use of warm fresh whole blood, female sex, low blood pressure, and tachycardia. Literature has demonstrated the effectiveness in transportation of these patients and the utility of extracorporeal life support.ConclusionsALI/ARDS incidences and prevalences in modern conflict range from 3% to 33%, with mortality ranging from 12.8% to 33%. ALI/ARDS has been associated with injury severity metrics, injury type, resuscitative fluid amount and type, vital signs, and patient demographics. Studies are limited to mostly retrospective data, and more data are needed to better characterize these conditions.

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Risk Factors on Hospital Arrival for Acute Respiratory Distress Syndrome Following Pediatric Trauma.

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Risk Factors on Hospital Arrival for Acute Respiratory Distress Syndrome Following Pediatric Trauma.

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