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VOLUME 25 , ISSUE 6 ( June, 2021 ) > List of Articles

Original Article

Etiology and Outcomes of ARDS in the Elderly Population in an Intensive Care Unit in North India

Inderpaul S Sehgal, Kuruswamy T Prasad

Citation Information : Sehgal IS, Prasad KT. Etiology and Outcomes of ARDS in the Elderly Population in an Intensive Care Unit in North India. Indian J Crit Care Med 2021; 25 (6):648-654.

DOI: 10.5005/jp-journals-10071-23878

License: CC BY-NC 4.0

Published Online: 01-06-2021

Copyright Statement:  Copyright © 2021; The Author(s).


Abstract

Background: Whether age would impact the outcomes in subjects with acute respiratory distress syndrome (ARDS) remains unclear. Herein, we study the effect of age as a predictor of mortality in ARDS. Materials and methods: We categorized consecutive subjects with ARDS as either ARDSelderly (age >65 years) or ARDSnonelderly (age ≤65 years) admitted to the respiratory intensive care unit (ICU) of a tertiary care hospital in North India between January 2007 and December 2019. We compared the baseline clinical and demographic characteristics, lung mechanics, and mortality between the two groups. We also analyzed the factors predicting ICU survival using multivariate logistic regression analysis. Results: We included 625 patients (ARDSelderly, 140 [22.4%] and ARDSnonelderly, 485 [77.6%]) with a mean (standard deviation) age (56.3% males) of 40.6 (17.8) years. The ARDSelderly were more likely (p = 0.0001) to have the presence of any comorbid illness compared to ARDSnonelderly. The elderly subjects had significantly higher pulmonary ARDS than the younger group. The severity of ARDS was however, similarly distributed between the two study arms. There were 224 (35.8%) deaths, and the mortality was significantly higher (p = 0.012) in the ARDSelderly than the to ARDSnonelderly (ARDSelderly vs ARDSnonelderly, 45 vs 33.2%). On multivariate logistic regression analysis, the baseline sequential organ failure assessment scores, presence of pulmonary ARDS, and the development of new organ dysfunction were the independent predictors of mortality. Conclusion: The outcomes in subjects with ARDS are dependent on the severity of illness at admission and the etiology of ARDS rather than the age alone.


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