Pulmonary ultrasound and pulse oximetry versus chest radiography and arterial blood gas analysis for the diagnosis of acute respiratory distress syndrome: a pilot study

Critical Care : the Official Journal of the Critical Care Forum
Cameron M BassT Eoin West

Abstract

In low-resource settings it is not always possible to acquire the information required to diagnose acute respiratory distress syndrome (ARDS). Ultrasound and pulse oximetry, however, may be available in these settings. This study was designed to test whether pulmonary ultrasound and pulse oximetry could be used in place of traditional radiographic and oxygenation evaluation for ARDS. This study was a prospective, single-center study in the ICU of Harborview Medical Center, a referral hospital in Seattle, Washington, USA. Bedside pulmonary ultrasound was performed on ICU patients receiving invasive mechanical ventilation. Pulse oximetric oxygen saturation (SpO2), partial pressure of oxygen (PaO2), fraction of inspired oxygen (FiO2), provider diagnoses, and chest radiograph closest to time of ultrasound were recorded or interpreted. One hundred and twenty three ultrasound assessments were performed on 77 consecutively enrolled patients with respiratory failure. Oxygenation and radiographic criteria for ARDS were met in 35 assessments. Where SpO2 ≤ 97%, the Spearman rank correlation coefficient between SpO2/FiO2 and PaO2/FiO2 was 0.83, p < 0.0001. The sensitivity and specificity of the previously reported threshold of SpO2/FiO2 ≤ ...Continue Reading

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Citations

Feb 6, 2017·American Journal of Respiratory and Critical Care Medicine·Tài Pham, Gordon D Rubenfeld
Mar 4, 2017·Pediatric Critical Care Medicine : a Journal of the Society of Critical Care Medicine and the World Federation of Pediatric Intensive and Critical Care Societies·Giuseppe A MarraroMaria Antonella Piga
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May 5, 2020·The Journal of International Medical Research·Peng ShenYunchao Shi
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May 8, 2021·Journal of the American College of Radiology : JACR·UNKNOWN Expert Panel on Thoracic ImagingJeffrey P Kanne
Jun 12, 2021·Frontiers in Cardiovascular Medicine·Zhenxing SunMingxing Xie

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