Imaging: Imaging |

Diagnostic Accuracy of Transthoracic Sonography in Patients With Pneumonia and Pulmonary Embolism FREE TO VIEW

Gamal Agmy; Suzan Sayed; Azza Said
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ElMenya, ElMenya, Egypt

Copyright 2016, American College of Chest Physicians. All Rights Reserved.

Chest. 2016;150(4_S):660A. doi:10.1016/j.chest.2016.08.754
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SESSION TYPE: Original Investigation Poster

PRESENTED ON: Wednesday, October 26, 2016 at 01:30 PM - 02:30 PM

PURPOSE: Background: Transthoracic ultrasonography (TUS) had shown a growing interest during the last few years in the diagnosis of some chest diseases that have a high mortality. Objective: This study was conducted to decide the diagnostic performance of TUS in patients with pneumonia and pulmonary embolism.

METHODS: Patients and methods: The study population involved 17 cases of pneumonia (10 males and 7 females) with a mean age of 52.02 years and 14 cases of pulmonary embolism( 9 males and 5 females) with a mean age of 43.4 yrs. Diagnosis was based on the standard guidelines. Chest x- rays, arterial blood gases, Multislice CT chest with pulmonary angiography and TUS were implemented. Lung profiles and other sonographic abnormalities were evaluated by TUS.

RESULTS: Results: The sensitivity, specificity and diagnostic accuracy of TUS were 88.2%, 87.5% and 93.5% respectively for pneumonia, while, those for embolism were71.4%, 80.9% and 87.1 % respectively. C hest x- ray was diagnostic for pneumonia in 11/ 17 cases (sensitivity 64.7%) whereas TUS was positive in 14/ 17 (sensitivity 82.4%) with a significant higher area under the curve for TUS against chest x-ray (0.84 vs. 0.70, P=0.02).TUS detected pleural effusion in 50% of cases of pneumonia and in 33.3% of cases of embolism, while in contrast. chest radiograph had a lower sensitivity (35% and 20% respectively).

CONCLUSIONS: Conclusions: TUS is a real time bedside imaging application that can perform well as a rapid diagnostic technique among patients with pneumonia and pulmonary embolism. TUS seems to be superior to chest x-ray in diagnosis of pneumonia, pulmonary embolism and associated pleural effusion.

CLINICAL IMPLICATIONS: TUS is a valuable imaging modality for rapid diagnosis of pneumonia and pulmonary embolism.

DISCLOSURE: The following authors have nothing to disclose: Gamal Agmy, Suzan Sayed, Azza Said

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