The effect of obesity on outcomes in mechanically ventilated patients in a medical intensive care unit.

MedStar author(s):
Citation: Respiration. 87(3):219-26, 2014.PMID: 24457313Institution: MedStar Health Research Institute | MedStar Washington Hospital CenterDepartment: Medicine/Pulmonary-Critical CareForm of publication: Journal ArticleMedline article type(s): Journal Article | Research Support, Non-U.S. Gov'tSubject headings: *Critical Illness/ep [Epidemiology] | *Obesity/ep [Epidemiology] | *Respiration, Artificial | Adult | African Americans | Aged | APACHE | Asthma/ep [Epidemiology] | Cohort Studies | Comorbidity | Critical Illness/mo [Mortality] | Critical Illness/th [Therapy] | Diabetes Mellitus/ep [Epidemiology] | European Continental Ancestry Group | Female | HIV Infections/ep [Epidemiology] | Hospital Mortality | Humans | Hyperlipidemias/ep [Epidemiology] | Intensive Care Units | Length of Stay/sn [Statistics & Numerical Data] | Logistic Models | Male | Middle Aged | Multivariate Analysis | Neoplasms/ep [Epidemiology] | Retrospective Studies | Risk Factors | Sleep Apnea, Obstructive/ep [Epidemiology] | Treatment OutcomeYear: 2014ISSN:
  • 0025-7931
Name of journal: Respiration; international review of thoracic diseasesAbstract: BACKGROUND: The effect of obesity on outcomes in critically ill patients requiring invasive mechanical ventilation in a medical intensive care unit (ICU) is uncertain.CONCLUSIONS: Obesity did not influence outcomes in critically ill patients requiring invasive mechanical ventilation in a medical ICU. Black obese patients had similar outcomes to black nonobese patients, and very obese patients also had similar outcomes to obese patients. 2013 S. Karger AG, Basel.METHODS: All adult patients admitted to the medical ICU at Washington Hospital Center requiring intubation and invasive mechanical ventilation for at least 24 h between January 1 and December 31, 2009, were retrospectively studied. Patients were categorized as nonobese (BMI <30) and obese (BMI >30). The primary outcome measure was 30-day mortality following intubation. Secondary outcomes included ICU length of stay (LOS), hospital LOS and duration of mechanical ventilation.OBJECTIVES: This study was intended to further explore the relationship between outcomes and obesity in patients admitted to a medical ICU who required invasive mechanical ventilation.RESULTS: There were 504 eligible patients: 306 nonobese and 198 (39%) obese. Obese patients had significantly higher rates of diabetes (43 vs. 30%, p = 0.004), hyperlipidemia (32 vs. 24%, p = 0.04), asthma (16 vs. 8%, p = 0.004) and obstructive sleep apnea requiring continuous positive airway pressure treatment (12 vs. 1%, p < 0.001). Nonobese patients had a significantly higher rate of HIV infection (10 vs. 5%, p = 0.05) and malignancy (21 vs. 13%, p = 0.03). There were no significant differences in mortality up to 30 days following intubation and secondary outcomes between obese and nonobese patients. Multivariate analysis using logistic regression showed no significant relationship between mortality rate at 30 days following intubation and obesity. Outcomes were similar for the black obese (n = 153) and nonobese (n = 228) patients and the obese (n = 85) and very obese (n = 113) patients.All authors: Colice G, Lee CK, Tefera EFiscal year: FY2015Digital Object Identifier: Date added to catalog: 2014-11-25
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Journal Article MedStar Authors Catalog Article 24457313 Available 24457313

BACKGROUND: The effect of obesity on outcomes in critically ill patients requiring invasive mechanical ventilation in a medical intensive care unit (ICU) is uncertain.

CONCLUSIONS: Obesity did not influence outcomes in critically ill patients requiring invasive mechanical ventilation in a medical ICU. Black obese patients had similar outcomes to black nonobese patients, and very obese patients also had similar outcomes to obese patients. 2013 S. Karger AG, Basel.

METHODS: All adult patients admitted to the medical ICU at Washington Hospital Center requiring intubation and invasive mechanical ventilation for at least 24 h between January 1 and December 31, 2009, were retrospectively studied. Patients were categorized as nonobese (BMI <30) and obese (BMI >30). The primary outcome measure was 30-day mortality following intubation. Secondary outcomes included ICU length of stay (LOS), hospital LOS and duration of mechanical ventilation.

OBJECTIVES: This study was intended to further explore the relationship between outcomes and obesity in patients admitted to a medical ICU who required invasive mechanical ventilation.

RESULTS: There were 504 eligible patients: 306 nonobese and 198 (39%) obese. Obese patients had significantly higher rates of diabetes (43 vs. 30%, p = 0.004), hyperlipidemia (32 vs. 24%, p = 0.04), asthma (16 vs. 8%, p = 0.004) and obstructive sleep apnea requiring continuous positive airway pressure treatment (12 vs. 1%, p < 0.001). Nonobese patients had a significantly higher rate of HIV infection (10 vs. 5%, p = 0.05) and malignancy (21 vs. 13%, p = 0.03). There were no significant differences in mortality up to 30 days following intubation and secondary outcomes between obese and nonobese patients. Multivariate analysis using logistic regression showed no significant relationship between mortality rate at 30 days following intubation and obesity. Outcomes were similar for the black obese (n = 153) and nonobese (n = 228) patients and the obese (n = 85) and very obese (n = 113) patients.

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