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European Radiology
Published in: European Radiology 12/2020

01-12-2020 | Angiography | Interventional

Application of DynaCT angiographic reconstruction in balloon pulmonary angioplasty

Authors: Jie-Long Lin, Hai-Ming Chen, Feng-Cheng Lin, Jie-Ying Li, Cheng-Xin Xie, Wen-Liang Guo, Xiu-Fen Huang, Cheng Hong

Published in: European Radiology | Issue 12/2020

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Abstract

Objectives

To investigate the feasibility and accuracy of balloon pulmonary angioplasty (BPA) using DynaCT angiographic reconstruction guidance.

Methods

Thirty-four BPAs (23 CTEPH patients) targeting 175 pulmonary arteries were included. Eleven BPAs (2D group) were guided by DSA two-dimensional angiography. Another twenty-three BPAs (3D group) were guided using DynaCT angiographic reconstruction. The volume rendering (VR) method was used to obtain a three-dimensional image of the blood vessels. This image was used as a reference to continue BPA treatment under the guidance of vascular three-dimensional reconstruction technology. Procedure durations and radiation exposure data were compared between the two groups using Mann–Whitney U test.

Results

Using the DynaCT angiographic reconstruction technique, more target vessels were treated in a single BPA procedure (5.83 ± 2.33 vs 3.73 ± 1.10 vessels per BPA, p = 0.008) in a shorter operation time (3.58 ± 0.61 vs 4.49 ± 0.91 h, p = 0.002). Overall, the dose area product (DAP) was significantly higher for the 2D group than for the 3D group (13,901.82 ± 5549.69 vs 4682.82 ± 1950.64, p < 0.001). The use of the DynaCT angiographic reconstruction technique to guide BPA required a lower dose of contrast agent (225.22 ± 48.70 vs 292.73 ± 76.82 mL, p = 0.013) and less radiation exposure.

Conclusions

The use of DynaCT angiographic reconstruction guidance in patients undergoing BPA is feasible and accurate. Images of DynaCT angiographic reconstruction may be beneficial for optimizing the operative process in BPA with reduced radiation exposure.

Key Points

• BPA guidance by DynaCT angiographic reconstruction is feasible and accurate.
• DynaCT angiographic reconstruction may be beneficial for optimizing the operative process.
• DynaCT angiographic reconstruction can reduce patient radiation dose due to multi-times of BPA sessions.
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Metadata
Title
Application of DynaCT angiographic reconstruction in balloon pulmonary angioplasty
Authors
Jie-Long Lin
Hai-Ming Chen
Feng-Cheng Lin
Jie-Ying Li
Cheng-Xin Xie
Wen-Liang Guo
Xiu-Fen Huang
Cheng Hong
Publication date
01-12-2020
Publisher
Springer Berlin Heidelberg
Published in
European Radiology / Issue 12/2020
Print ISSN: 0938-7994
Electronic ISSN: 1432-1084
DOI
https://doi.org/10.1007/s00330-020-07028-9

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