Balloon pulmonary angioplasty: applicability of C-Arm CT for procedure guidance

European Radiology
Jan B HinrichsB C Meyer

Abstract

To investigate the feasibility of and compare two C-Arm CT (CACT) guidance methods during balloon pulmonary angioplasty (BPA). Forty-two BPAs [27 CTEPH patients (nine males, 70 ± 14y)] targeting 143 pulmonary arteries were included. Twenty-two BPAs were guided by contrast-enhanced CACT acquired immediately before BPA (G3D). In another 20 BPAs (G2D), two orthogonal fluoroscopy images of the chest where acquired to compute a registration of a previously acquired CACT. Volume rendering-based graphic representations (VRT guidance) were generated indicating the origin and course of the vessels. Based on VRT guidance, the intervention was planned. Procedure durations and radiation exposure data were compared between the two groups (Wilcoxon test). The overall intervention time was approximately 2 h in both groups (p = 0.31). BPA was successfully performed in G3D 91 % and G2D 94 %. No significant difference was found concerning the mean dose area product (DAP) related to fluoroscopy (p = 0.38), while DAP related to DSA was slightly higher in G3D (p = 0.048). Overall, DAP was significantly higher in G3D (p = 0.002). The use of CACT for procedure guidance in patients undergoing BPA is feasible and accurate. Image fusion of a pre-acquire...Continue Reading

References

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Citations

Dec 29, 2017·Pulmonary Circulation·Christoph B WiedenrothChristoph Liebetrau
Mar 31, 2017·European Respiratory Review : an Official Journal of the European Respiratory Society·Irene LangPhilippe Brenot
Dec 25, 2019·Cardiovascular Intervention and Therapeutics·Nobutaka Ikeda
Jul 25, 2018·Cardiovascular and Interventional Radiology·J M MoriartyR Saggar
Dec 7, 2020·Cardiovascular and Interventional Radiology·Lena S BeckerJan B Hinrichs
Jan 7, 2021·The European Respiratory Journal·Martine Remy-JardinMarc Humbert
Dec 19, 2020·The European Respiratory Journal·Marion DelcroixGérald Simonneau
Jun 30, 2021·Revista Portuguesa De Cardiologia : Orgão Oficial Da Sociedade Portuguesa De Cardiologia = Portuguese Journal of Cardiology : an Official Journal of the Portuguese Society of Cardiology·Rita CaléMaria José Loureiro

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