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VOLUME 18 , ISSUE 10 ( October, 2014 ) > List of Articles

RESEARCH ARTICLE

Incidence and outcome of acute lung injury and acute respiratory distress syndrome in the surgical intensive care unit

Georgene Singh, Nagamani Sen, George Gladdy, Tony Chandy

Keywords : Acute lung injury, acute respiratory distress syndrome, incidence, mortality

Citation Information : Singh G, Sen N, Gladdy G, Chandy T. Incidence and outcome of acute lung injury and acute respiratory distress syndrome in the surgical intensive care unit. Indian J Crit Care Med 2014; 18 (10):659-665.

DOI: 10.4103/0972-5229.142175

License: CC BY-ND 3.0

Published Online: 01-10-2014

Copyright Statement:  Copyright © 2014; Jaypee Brothers Medical Publishers (P) Ltd.


Abstract

Introduction: To determine the incidence and mortality of acute lung injury (ALI) and acute respiratory distress syndrome (ARDS) in a cohort of patients with risk factors admitted to the Surgical Intensive Care Unit (SICU). Materials and Methods: A prospective observational inception cohort study with no intervention was conducted over 12 months. All patients with at least one known risk factor for ALI/ARDS admitted to the SICU were included in the study. The APACHE II severity of disease classification system scoring was performed within 1 h of admission. The ventilatory parameters and chest radiographs were recorded every 24 h. The P/F ratio, PEEP and Lung Injury Score were calculated each day until the day of discharge from the Intensive Care Unit or for the first 7 days of admission, whichever was shorter. Results: The incidence of ARDS among those who were mechanically ventilated was 11.4%. Sepsis was the most common (34.6%) etiology. Among those with risk factors, the incidence of ARDS was 30% and that of ALI was 32.7%. The mortality in those with ARDS was 41.8%. Those who develop ARDS had higher APACHE II scores, lower pH and higher PaCO 2 at admission compared with those who developed ALI or no lung injury. Conclusion: The incidence and mortality of ARDS was similar to other studies. Identifying those with risk factors for ARDS or mortality will enable appropriate interventional measures.


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