Intra-procedural bronchial artery embolization planning: the usefulness of cone-beam CT.

Intra-procedural bronchial artery embolization planning: the usefulness of cone-beam CT. Acta Radiol. 2019 Mar 21;:284185119837931 Authors: Grosse U, Grözinger G, Syha R, Ketelsen D, Partovi S, Nikolaou K, Hoffmann R Abstract BACKGROUND: Bronchial artery embolization (BAE) can be a challenging intervention due to variations of the vascular anatomy. PURPOSE: To evaluate the utility of C-arm cone-beam computed tomography (CBCT) for BAE in patients with hemoptysis and indefinite bronchial artery (BA) anatomy on pre-interventional CT imaging. MATERIAL AND METHODS: From November 2016 to July 2017, 17 patients (mean age = 64.3 ± 14.7 years) with hemoptysis underwent BAE including pre-interventional CT, aortography, and CBCT during the procedure. CBCT, angiography, and CT were independently evaluated by readers A and B (with one and three years of experience in interventional radiology) with regard to number and origin of detected BA, image quality, and diagnostic confidence for BA detection (using a Likert scale). Consensus reading by two experienced interventional radiologists served as gold standard (GS). Seventeen consecutive patients who underwent BAE before the installation of the CBCT in October 2016 served as control group. Spearman rank correlation and Wilcoxon signed-rank test were conducted. RESULTS: Both readers showed a statistically significant increase in diagnostic confidence for CBCT compar...
Source: Acta Radiologica - Category: Radiology Authors: Tags: Acta Radiol Source Type: research

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CONCLUSIONS: Computed tomography angiography has proven to be a useful tool in coronary artery fistulas detection and morphological assessment. Proposed classification may simplify the predictions whether fistula has a significant influence on cardiac function, however further studies are needed. PMID: 31802472 [PubMed - as supplied by publisher]
Source: Folia Morphologica - Category: Anatomy Tags: Folia Morphol (Warsz) Source Type: research
ConclusionBaseline cut off thrombus appearance predicts a  higher number of thrombectomy maneuvers. In day to day practice this may prepare the neurointerventionalist for a more challenging endovascular procedure ahead. Stroke etiology, clinical outcomes and thrombus-specific characteristics did not show any associations with the thrombus appearance.
Source: Klinische Neuroradiologie - Category: Radiology Source Type: research
Abstract OBJECTIVE: Netrin-1 has been shown to play a role in the initiation of atherosclerosis in mice models. However, little is known about the role of Netrin-1 in humans. We set out to study whether Netrin-1 is associated with different stages of atherosclerosis. Approach and Results: Plasma Netrin-1 levels were measured in different patient cohorts: (1) 22 patients with high cardiovascular risk who underwent arterial wall inflammation assessment using positron-emission tomography / computed tomography, (2) 168 patients with a positive family history of premature atherosclerosis in whom coronary artery calcium...
Source: Arteriosclerosis, Thrombosis and Vascular Biology - Category: Cardiology Authors: Tags: Arterioscler Thromb Vasc Biol Source Type: research
Computed tomography angiography derived global longitudinal strain (CTA-GLS) has been shown to be feasible, however its prognostic value remains unclear in patients with severe aortic stenosis undergoing transcatheter aortic valve replacement (TAVR). We evaluated the association of baseline CTA-GLS with outcomes including all-cause mortality and composite endpoint of death and heart failure hospitalization in 223 patients treated with TAVR. Patients with normal LVEF but reduced CTA-GLS had similar event rate to those with impaired LVEF, and higher than those with normal LVEF and preserved CTA-GLS. Baseline CTA-GLS assessme...
Source: Journal of Cardiovascular Computed Tomography - Category: Radiology Authors: Source Type: research
We aimed to compare semiquantitative coronary computed tomography angiography (CCTA) risk scores – which score presence, extent, composition, stenosis and/or location of coronary artery disease (CAD) – and their prognostic value between patients with and without diabetes mellitus (DM). Risk scores derived from general chest-pain populations are often challenging to apply in DM patients, bec ause of numerous confounders.
Source: Journal of Cardiovascular Computed Tomography - Category: Radiology Authors: Source Type: research
Conclusion: ASA occlusion was not observed in CCM patients with spinal canal sagittal diameter compression of more than 80%. PMID: 31791211 [PubMed - as supplied by publisher]
Source: Journal of Spinal Cord Medicine - Category: Orthopaedics Tags: J Spinal Cord Med Source Type: research
We present the case of a 69 years-old man, with an insidious and progressive palsy of the III left CN with 6 months of evolution. CT scan revealed a 1,2 cm lesion located at the suprasellar and pre-pontine cistern at the free edge of the tentorium, initially compatible with the diagnosis of a small meningioma. He was submitted to surgery but surprisingly histopathological analysis revealed a cavernous malformation, intrinsic to the nerve.This is the twelfth reported case of an III cranial nerve CM, and the management of this lesions still doesn't have clear and definitive recommendations regarding treatment. In selected ca...
Source: Interdisciplinary Neurosurgery - Category: Neurosurgery Source Type: research
ConclusionTraumatic dACA aneurysm is a rare complication of brain trauma. Delayed intracranial haemorrhage and the sudden deterioration of neurologic function were the typical characteristics in patients with traumatic dACA aneurysm. CTA is the first-line screening modality for patients who present with intracerebral haemorrhage in the corpus callosum after trauma, particularly for patients who are older, in a poorer or critical condition. When the aneurysm is located in the A4 segment or involves a small branch, surgical trapping is the preferred definitive therapy to prevent further growth and disastrous bleeding. Early ...
Source: Acta Neurochirurgica - Category: Neurosurgery Source Type: research
ConclusionCAD-RADS is valuable for improving CCTA structural reports and facilitating decision-making with high diagnostic accuracy and high reproducibility.
Source: Insights into Imaging - Category: Radiology Source Type: research
AbstractObjectivesTo assess the capability of a newly developed material decomposition method from contrast-enhanced dual-energy CT images, aiming to better visualize the aortic wall and aortic intramural hematoma (IMH), compared with true non-contrast (TNC) CT.Materials and methodsTwenty-two patients (11 women; mean age, 61  ± 20 years) with acute chest pain underwent 25 dual-layer non-contrast and contrast-enhanced CT. CT-angiography images were retrospectively processed using two-material decomposition analysis, where we defined the first material as the content of a region of interest placed i...
Source: European Radiology - Category: Radiology Source Type: research
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