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

Ultrasound Quarterly
Natalia BudaZbigniew Zdrojewski

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). Sensitiv...Continue Reading

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