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Lung Ultrasonography as an Accurate Diagnostic Method for the Diagnosis of Community-Acquired Pneumonia in the Elderly Population

Lung Ultrasonography as an Accurate Diagnostic Method for the Diagnosis of Community-Acquired... Abstract Community-acquired pneumonia (CAP) is one of the most common causes of both hospitalization and death in elderly patients. The chest x-ray (CXR) is nowadays still the imaging method of choice for patients suspected of having pneumonia. However, the sensitivity of CXR, particularly bedside chest radiography, is relatively low. Chest computed tomography, the procedure of higher precision, cannot be conducted routinely for safety, organizational, and economic reasons. Thus, lung ultrasonography (LUS) could be the most accurate diagnostic tool for CAP in the geriatric population. This prospective observational study involving 191 elderly patients (older than 65 years), hospitalized because of suspicion of pneumonia, aimed at comparing the diagnostic accuracy of LUS and CXR to final clinical diagnosis. During the first hours of hospitalization, both CXR and LUS were conducted. At discharge, pneumonia diagnosis was confirmed in 115 patients (60.2% of the study group). Chest x-ray revealed inflammatory lesions in only 65 patients (34% of the study group, 56.5% of the patients with final pneumonia diagnosis), whereas LUS was positive in 114 patients (59.7% of the study group, 99% of the patients with final pneumonia diagnosis). Sensitivity and specificity of LUS in pneumonia diagnosis were, respectively, 99% and 98.7%, whereas CXR sensitivity and specificity were 56.5% and 100%, respectively. The positive and negative predictive values of LUS were 99% and 98.7%, whereas, for CXR, they were 100% and 60.3%, respectively. Lung ultrasonography proved to be more effective at revealing pulmonary inflammatory lesions as compared with CXR in elderly patients suspected of pneumonia. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Ultrasound quarterly Wolters Kluwer Health

Lung Ultrasonography as an Accurate Diagnostic Method for the Diagnosis of Community-Acquired Pneumonia in the Elderly Population

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Publisher
Wolters Kluwer Health
Copyright
Copyright © 2020 Wolters Kluwer Health, Inc. All rights reserved.
ISSN
0894-8771
eISSN
1536-0253
DOI
10.1097/RUQ.0000000000000499
Publisher site
See Article on Publisher Site

Abstract

Abstract Community-acquired pneumonia (CAP) is one of the most common causes of both hospitalization and death in elderly patients. The chest x-ray (CXR) is nowadays still the imaging method of choice for patients suspected of having pneumonia. However, the sensitivity of CXR, particularly bedside chest radiography, is relatively low. Chest computed tomography, the procedure of higher precision, cannot be conducted routinely for safety, organizational, and economic reasons. Thus, lung ultrasonography (LUS) could be the most accurate diagnostic tool for CAP in the geriatric population. This prospective observational study involving 191 elderly patients (older than 65 years), hospitalized because of suspicion of pneumonia, aimed at comparing the diagnostic accuracy of LUS and CXR to final clinical diagnosis. During the first hours of hospitalization, both CXR and LUS were conducted. At discharge, pneumonia diagnosis was confirmed in 115 patients (60.2% of the study group). Chest x-ray revealed inflammatory lesions in only 65 patients (34% of the study group, 56.5% of the patients with final pneumonia diagnosis), whereas LUS was positive in 114 patients (59.7% of the study group, 99% of the patients with final pneumonia diagnosis). Sensitivity and specificity of LUS in pneumonia diagnosis were, respectively, 99% and 98.7%, whereas CXR sensitivity and specificity were 56.5% and 100%, respectively. The positive and negative predictive values of LUS were 99% and 98.7%, whereas, for CXR, they were 100% and 60.3%, respectively. Lung ultrasonography proved to be more effective at revealing pulmonary inflammatory lesions as compared with CXR in elderly patients suspected of pneumonia.

Journal

Ultrasound quarterlyWolters Kluwer Health

Published: Jun 1, 2020

References