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Published in: CardioVascular and Interventional Radiology 11/2020

01-11-2020 | Computed Tomography | Clinical Investigation

Contralateral Dependent Position During Percutaneous CT-Guided Core Needle Biopsy for Small (≤ 20 mm) Lung Lesions Adjacent to the Pericardium: Effect on Procedures and Complications

Authors: Chao Chen, Lichao Xu, Jia He, Ying Wang, Biao Wang, Wentao Li, Xinhong He

Published in: CardioVascular and Interventional Radiology | Issue 11/2020

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Abstract

Purpose

To assess the effect of contralateral dependent position on procedures and complications of percutaneous computed tomography (CT)-guided core needle biopsy (PCT-CNB) for small (≤ 20 mm) lung lesions adjacent to the pericardium.

Materials and Methods

Retrospective view was performed to identify patients with small (≤ 20 mm) lung lesions located within 10 mm of the pericardium and who underwent PCT-CNB in the standard supine or prone position (n = 66) or in contralateral dependent position ( n = 35) between March 2010 and January 2020. In 35 patients, CT images in the contralateral dependent position were compared with images in the supine position to assess the mean distance of the lesion from the pericardium and the mean length of interface between these two positions. Complications including rates of pneumothorax, chest tube insertion, and pulmonary hemorrhage were assessed.

Results

In comparison with axial images in supine position, the pericardium were located farther from the lesion in the contralateral dependent position; the mean distance of lesions from the pericardium became farther (P < 0.001), and the mean length of interface with the pericardium became shorter (P = 0.008). There was no difference in the complication rates between supine or prone position and contralateral dependent position (pneumothorax, P = 0.098; pulmonary hemorrhage, P = 0.791).

Conclusion

Placing patients in contralateral dependent position may confer some advantages, including maximizing distance and minimizing length of interface of the lesion to the pericardium during PCT-CNB for small (≤ 20 mm) lung lesions adjacent to the pericardium.
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Metadata
Title
Contralateral Dependent Position During Percutaneous CT-Guided Core Needle Biopsy for Small (≤ 20 mm) Lung Lesions Adjacent to the Pericardium: Effect on Procedures and Complications
Authors
Chao Chen
Lichao Xu
Jia He
Ying Wang
Biao Wang
Wentao Li
Xinhong He
Publication date
01-11-2020
Publisher
Springer US
Published in
CardioVascular and Interventional Radiology / Issue 11/2020
Print ISSN: 0174-1551
Electronic ISSN: 1432-086X
DOI
https://doi.org/10.1007/s00270-020-02608-0

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