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Acta Radiol. 2012 Jun 1;53(5):556-60. doi: 10.1258/ar.2012.110676.

Bedside diagnosis of pleural effusion with a latest generation hand-carried ultrasound device in intensive care patients.

Author information

1
Department of Radiology, University Medical Center Regensburg, Germany. Stephan.schleder@ukr.de

Abstract

BACKGROUND:

Further development established hand-carried ultrasound (HCU) imagers in daily clinical workflow providing several advantages such as fast bedside availability and prompt diagnosis.

PURPOSE:

To evaluate the diagnostic yield of a latest generation HCU imager compared to chest radiography (CR) for the detection of pleural effusion (PE) in intensive care patients.

MATERIAL AND METHODS:

Forty-eight hemithoraces of 24 patients on surgical intensive care units were enrolled in this study. All hemithoraces were evaluated using both HCU and CR. Definite diagnosis of PE was achieved using a high-end ultrasound system as standard of reference. Statistical analysis was performed using 2 × 2 tables and a McNemar test. A P value of <0.05 was considered statistically significant.

RESULTS:

PE was present in 35 of 48 hemithoraces (73%). The HCU examination was carried out technically successfully in all hemithoraces. Sensitivity and specificity of HCU for the diagnosis of PE was 91% and 100%, respectively, whereas sensitivity and specificity of CR was 74% and 31%, respectively. The difference between HCU and CR was statistically significant with respect to specificity but not sensitivity (P = 0.008 and P = 0.11, respectively).

CONCLUSION:

Due to its ease of use and its high diagnostic yield HCU systems of the latest generation constitute a helpful technique for the primary assessment of PE.

PMID:
22661602
DOI:
10.1258/ar.2012.110676
[Indexed for MEDLINE]

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