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Pre-hospital frailty and hospital outcomes in adults with acute respiratory failure requiring mechanical ventilation.

ABSTRACT: PURPOSE:We aimed to estimate the independent effect of pre-hospital frailty (PHF) on hospital mortality and prolonged hospital length of stay (pLOS) while adjusting for other patient level factors. METHODS:This is a cohort study of hospitalized adults with acute respiratory failure (ARF) who required invasive mechanical ventilation for ?24h in 2013. We used inpatient/outpatient claims from a list of diagnoses from the year before index hospital admission to define PHF. Differences in characteristics/outcomes by PHF were explored using descriptive statistics; multivariable logistic regression was used to estimate association between PHF and hospital outcomes. RESULTS:Among 1157 patients (mean age (standard deviation) 67.1 [16.4]), 53.2% had PHF. PHF was independently associated with higher hospital mortality (44.2% in PHF patients vs. 34.6% in those without, adjusted Odds Ratio (aOR) (95% Confidence Interval [CI] 1.56 (1.19-2.05), p<0.001). PHF was also significantly associated with pLOS in hospital survivors (55.5% PHF patients had pLOS versus 34.2% in those without, aOR (95% CI) 2.61 (1.87-3.65), p<0.001). CONCLUSIONS:PHF, identified by frailty diagnoses from before index hospitalization, may be a useful approach for identifying adults with ARF at increased risk of hospital mortality and pLOS.

SUBMITTER: Hope AA

PROVIDER: S-EPMC5831479 | biostudies-literature | 2018 Apr

REPOSITORIES: biostudies-literature

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Pre-hospital frailty and hospital outcomes in adults with acute respiratory failure requiring mechanical ventilation.

Hope Aluko A AA Adeoye Oriade O Chuang Elizabeth H EH Hsieh S J SJ Gershengorn Hayley B HB Gong Michelle N MN

Journal of critical care 20171111

<h4>Purpose</h4>We aimed to estimate the independent effect of pre-hospital frailty (PHF) on hospital mortality and prolonged hospital length of stay (pLOS) while adjusting for other patient level factors.<h4>Methods</h4>This is a cohort study of hospitalized adults with acute respiratory failure (ARF) who required invasive mechanical ventilation for ≥24h in 2013. We used inpatient/outpatient claims from a list of diagnoses from the year before index hospital admission to define PHF. Differences ...[more]

PMID: 29161667

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Project description:To assess the association between low serum creatinine (SCr) value at admission and the risk of respiratory failure requiring mechanical ventilation in hospitalized patients. A retrospective cohort study was conducted at a tertiary referral hospital. All hospitalized adult patients from 2011 through 2013 who had an admission SCr value were included in this study. Patients who were mechanically ventilated at the time of admission were excluded. Admission creatinine was stratified into 7 groups: ≤0.4, 0.5-0.6, 0.7-0.8, 0.9-1.0, 1.1-1.2, 1.3-1.4, and ≥1.5 mg/dL. The primary outcome was the occurrence of respiratory failure requiring mechanical ventilation during hospitalization. Logistic regression analysis was used to assess the independent risk of respiratory failure based on various admission SCr, using SCr of 0.7-0.8 mg/dL as the reference group in the analysis of all patients and female subgroup and of 0.9-1.0 mg/dL in analysis of male subgroup. A total of 67,045 eligible patients, with the mean admission SCr of 1.0 ± 0.4 mg/dL, were studied. Of these patients, 799 (1.1%) had admission SCr of ≤0.4 mg/dL, and 2886 (4.3%) developed respiratory failure requiring mechanical ventilation during hospitalization. The U-curve relationship between admission SCr and respiratory failure during hospitalization was observed, with the nadir incidence of in-hospital respiratory failure in SCr of 0.7-0.8 mg/dL and increased in-hospital respiratory failure associated with both reduced and elevated admission SCr. After adjustment for confounders, very low admission SCr of ≤0.4 mg/dL was significantly associated with increased in-hospital respiratory failure (OR 3.11; 95% CI 2.33-4.17), exceeding the risk related to markedly elevated admission SCr of ≥1.5 mg/dL (OR 1.61; 95% CI 1.39-1.85). The association remained significant in the subgroup analysis of male and female patients. Low SCr value at admission is independently associated with increased in-hospital respiratory failure requiring mechanical ventilation in hospitalized patients.

Project description:Studying interhospital transfer of critically ill patients with coronavirus disease 2019 pneumonia in the spring 2020 surge may help inform future pandemic management.ObjectivesTo compare outcomes for mechanically ventilated patients with coronavirus disease 2019 transferred to a tertiary referral center with increased surge capacity with patients admitted from the emergency department.Design setting participantsObservational cohort study of single center urban academic medical center ICUs. All patients admitted and discharged with coronavirus disease 2019 pneumonia who received invasive ventilation between March 17, 2020, and October 14, 2020.Main outcome and measuresDemographic and clinical variables were obtained from the electronic medical record. Patients were classified as emergency department admits or interhospital transfers. Regression models tested the association between transfer status and survival, adjusting for demographics and presentation severity.ResultsIn total, 298 patients with coronavirus disease 2019 pneumonia were admitted to the ICU and received mechanical ventilation. Of these, 117 were transferred from another facility and 181 were admitted through the emergency department. Patients were primarily male (64%) and Black (38%) or Hispanic (45%). Transfer patients differed from emergency department admits in having English as a preferred language (71% vs 56%; p = 0.008) and younger age (median 57 vs 61 yr; p < 0.001). There were no differences in race/ethnicity or primary payor. Transfers were more likely to receive extracorporeal membrane oxygenation (12% vs 3%; p = 0.004). Overall, 50 (43%) transferred patients and 78 (43%) emergency department admits died prior to discharge. There was no significant difference in hospital mortality or days from intubation to discharge between the two groups.Conclusions and relevanceIn a single-center retrospective cohort, no significant differences in hospital mortality or length of stay between interhospital transfers and emergency department admits were found. While more study is needed, this suggests that interhospital transfer of critically ill patients with coronavirus disease 2019 can be done safely and effectively.

Project description:BackgroundLower respiratory tract infections (LRTI) are a leading cause of critical illness and mortality in mechanically ventilated children; however, the pathogenic microbes frequently remain unknown. We combined traditional diagnostics with metagenomic next generation sequencing (mNGS) to evaluate the cause of LRTI in critically ill children.MethodsWe conducted a prospective, multicentre cohort study of critically ill children aged 31 days to 17 years with respiratory failure requiring mechanical ventilation (>72 h) in the USA. By combining bacterial culture and upper respiratory viral PCR testing with mNGS of tracheal aspirate collected from all patients within 24 h of intubation, we determined the prevalence, age distribution, and seasonal variation of viral and bacterial respiratory pathogens detected by either method in children with or without LRTI.FindingsBetween Feb 26, 2015, and Dec 31, 2017, of the 514 enrolled patients, 397 were eligible and included in the study (276 children with LRTI and 121 with no evidence of LRTI). A presumptive microbiological cause was identified in 255 (92%) children with LRTI, with respiratory syncytial virus (127 [46%]), Haemophilus influenzae (70 [25%]), and Moraxella catarrhalis (65 [24%]) being most prevalent. mNGS identified uncommon pathogens including Ureaplasma parvum and Bocavirus. Co-detection of viral and bacterial pathogens occurred in 144 (52%) patients. Incidental carriage of potentially pathogenic microbes occurred in 82 (68%) children without LRTI, with rhinovirus (30 [25%]) being most prevalent. Respiratory syncytial virus (p<0·0001), H influenzae (p=0·0006), and M catarrhalis (p=0·0002) were most common in children younger than 5 years. Viral and bacterial LRTI occurred predominantly during winter months.InterpretationThese findings demonstrate that respiratory syncytial virus, H influenzae, and M catarrhalis contribute disproportionately to severe paediatric LRTI, co-infections are common, and incidental carriage of potentially pathogenic microbes occurs frequently. Further, we provide a framework for future epidemiological and emerging pathogen surveillance studies, highlighting the potential for metagenomics to enhance clinical diagnosis.FundingUS National Institutes of Health and CZ Biohub.

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Pre-hospital frailty and hospital outcomes in adults with acute respiratory failure requiring mechanical ventilation.

Publications

Pre-hospital frailty and hospital outcomes in adults with acute respiratory failure requiring mechanical ventilation.

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