Imaging |

Transthoracic Chest Ultrasound in Critically Ill Patients: Comparison With Bedside Chest Radiography FREE TO VIEW

Gamal Agmy, MD; Sherif Mohamed, MD; Yasser Gad, MD
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Assiut University, Assiut, Egypt

Chest. 2014;146(4_MeetingAbstracts):570A. doi:10.1378/chest.1969292
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SESSION TITLE: Diagnostic Procedures and Interventions Posters

SESSION TYPE: Original Investigation Poster

PRESENTED ON: Wednesday, October 29, 2014 at 01:30 PM - 02:30 PM

PURPOSE: To compare the diagnostic performance of transthoracic ultrasound (TUS) and bedside chest radiography (CXR) for the detection of various pathological abnormalities in critically ill patients, using computed tomography (CT) as a gold standard.

METHODS: Two hundred mechanically ventilated patients scheduled for CT and CXR were prospectively studied with a modified TUS protocol. Four pathological entities were evaluated: pleural effusion, pneumothorax, consolidation and interstitial syndrome.

RESULTS: All patients were evaluated by the three imaging techniques. The sensitivity, specificity, and diagnostic accuracy of CXR were 55, 84, and 65% for pleural effusion, 40, 96, and 88% for pneumothorax, 40, 85, and 50% for consolidation and 42, 82, and 60% for interstitial syndrome respectively. The corresponding values for TUS were 100, 100, and 100% for pleural effusion, 100, 100, and 100% for pneumothorax, 100, 87, and 95% for consolidation, 95, 95, and 95% for interstitial syndrome respectively.

CONCLUSIONS: In our ICU population TUS has a considerably better diagnostic performance than CXR for the diagnosis of common pathological disorders and may be used as an alternative to thoracic CT.

CLINICAL IMPLICATIONS: Clinician-performed ultrasonography is a reliable tool in the diagnosis of common chest pathological entities. It has the advantage of portability, simplicity, rapidity, and higher sensitivity and specificity compared with CXR.

DISCLOSURE: The following authors have nothing to disclose: Gamal Agmy, Sherif Mohamed, Yasser Gad

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