Visualization of acute aortic injury with cinematic rendering.

The purpose of this study is to demonstrate the appearance of traumatic aortic injuries with the novel 3-dimensional (3D) computed tomography (CT) visualization technique known as cinematic rendering (CR). CR uses a novel lighting model to create photorealistic images with excellent anatomic detail for improved depiction of the extent of traumatic aortic injuries. Four patients with acute traumatic aortic injury identified on thoracic CT angiography were analyzed by creating standard 3D volume-rendered reconstructions and CR images on an independent 3D workstation. In this series of four patients, we present the typical patterns of aortic injury imaging findings and complications associated with traumatic aortic injury, with an emphasis on the utilization of the novel 3D technique of CR. CR can provide realistic imaging of the thoracic aortic contour with excellent spatial details. This methodology allows for an accurate assessment of aortic injury and optimal preoperative planning in patients with traumatic thoracic aortic injury.

Transradial versus transfemoral arterial access in DEB-TACE for hepatocellular carcinoma.

Objectives: Transradial access has become increasingly popular in body interventional procedures but has not been ubiquitously adapted. This retrospective study compares the efficacy of this approach versus transfemoral access in hepatocellular carcinoma (HCC) patients who underwent drug-eluting bead transarterial chemoembolization (DEB-TACE). Materials and Methods: A total of 130 HCC patients underwent 146 DEB-TACE procedures within our institution from June 2015 to May 2020. About 90 and 56 procedures were logged for the transradial and transfemoral cohorts, respectively. Peak skin dose, fluoroscopy time, administered contrast volume, total procedure time, and equipment cost data for each procedure were reviewed to evaluate for statistical differences between the two groups. Results: All 146 cases were technically successful without major complications or access failures in either group. No statistical differences were present between the two access groups in regards to peak skin dose or fluoroscopy time. Transradial access recorded a significantly higher contrast volume (P < 0.05), and a significantly longer procedural time than transfemoral access (P < 0.01). However, transradial access also displayed a significantly lower procedural equipment cost (P < 0.01) between the two groups. Conclusion: Transradial DEB-TACE has similar trends to transfemoral DEB-TACE in several pertinent radiation parameters and is also significantly more cost-efficacious. The results of this investigation suggest the consideration of transradial access whenever viable as an alternative to transfemoral access in the DEB-TACE treatment of HCC patients.