Diagnostic use of lung ultrasound compared to chest radiograph for suspected pneumonia in a resource-limited setting

Diagnostic use of lung ultrasound compared to chest radiograph for suspected pneumonia in a... Background: Lung ultrasound is an effective tool for diagnosing pneumonia in developed countries. Diagnostic accuracy in resource-limited countries where pneumonia is the leading cause of death is unknown. The objective of this study was to evaluate the sensitivity of bedside lung ultrasound compared to chest X-ray for pneumonia in adults presenting for emergency care in a low-income country. Methods: Patients presenting to the emergency department with suspected pneumonia were evaluated with bedside lung ultrasound, single posterioranterior chest radiograph, and computed tomography (CT). Using CT as the gold standard, the sensitivity of lung ultrasound was compared to chest X-ray for the diagnosis of pneumonia using McNemar’s test for paired samples. Diagnostic characteristics for each test were calculated. Results: Of 62 patients included in the study, 44 (71%) were diagnosed with pneumonia by CT. Lung ultrasound demonstrated a sensitivity of 91% compared to chest X-ray which had a sensitivity of 73% (p = 0.01). Specificity of lung ultrasound and chest X-ray were 61 and 50% respectively. Conclusions: Bedside lung ultrasound demonstrated better sensitivity than chest X-ray for the diagnosis of pneumonia in Nepal. Trial registration: ClinicalTrials.gov, registration number NCT02949141. Registered 31 October 2016. Keywords: Lung ultrasound, Pneumonia, Nepal, Diagnosis, Developing countries http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png International Journal of Emergency Medicine Springer Journals

Diagnostic use of lung ultrasound compared to chest radiograph for suspected pneumonia in a resource-limited setting

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Publisher
Springer Berlin Heidelberg
Copyright
Copyright © 2018 by The Author(s).
Subject
Medicine & Public Health; Emergency Medicine; Pediatrics; Internal Medicine; Angiology; Cardiology
ISSN
1865-1372
eISSN
1865-1380
D.O.I.
10.1186/s12245-018-0170-2
Publisher site
See Article on Publisher Site

Abstract

Background: Lung ultrasound is an effective tool for diagnosing pneumonia in developed countries. Diagnostic accuracy in resource-limited countries where pneumonia is the leading cause of death is unknown. The objective of this study was to evaluate the sensitivity of bedside lung ultrasound compared to chest X-ray for pneumonia in adults presenting for emergency care in a low-income country. Methods: Patients presenting to the emergency department with suspected pneumonia were evaluated with bedside lung ultrasound, single posterioranterior chest radiograph, and computed tomography (CT). Using CT as the gold standard, the sensitivity of lung ultrasound was compared to chest X-ray for the diagnosis of pneumonia using McNemar’s test for paired samples. Diagnostic characteristics for each test were calculated. Results: Of 62 patients included in the study, 44 (71%) were diagnosed with pneumonia by CT. Lung ultrasound demonstrated a sensitivity of 91% compared to chest X-ray which had a sensitivity of 73% (p = 0.01). Specificity of lung ultrasound and chest X-ray were 61 and 50% respectively. Conclusions: Bedside lung ultrasound demonstrated better sensitivity than chest X-ray for the diagnosis of pneumonia in Nepal. Trial registration: ClinicalTrials.gov, registration number NCT02949141. Registered 31 October 2016. Keywords: Lung ultrasound, Pneumonia, Nepal, Diagnosis, Developing countries

Journal

International Journal of Emergency MedicineSpringer Journals

Published: Mar 12, 2018

References

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