Sebastian Mafeld
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View article: Endovascular management of venous complications post liver transplantation: a retrospective analysis of technical and clinical success
Endovascular management of venous complications post liver transplantation: a retrospective analysis of technical and clinical success Open
View article: Importance of Pulmonary Embolism Anatomy in Ventilatory Distress and Haemodynamics
Importance of Pulmonary Embolism Anatomy in Ventilatory Distress and Haemodynamics Open
Pulmonary embolism (PE) is a leading cause of morbidity and mortality, with clinical outcomes strongly influenced by the anatomical distribution of emboli. This review explores the impact of PE anatomy on ventilatory distress and haemodyna…
View article: A Survey of After-Hours Interventional Radiology Availability in Ontario
A Survey of After-Hours Interventional Radiology Availability in Ontario Open
Purpose: A survey to determine the availability of after-hours IR on-call services at Ontario hospitals that have a radiology department. A secondary outcome is to determine potential barriers to the provision of IR after-hours on call ser…
View article: Measuring hypoxia in chronic limb-threatening ischemia using 18F-FAZA kinetic modelling – a pilot study
Measuring hypoxia in chronic limb-threatening ischemia using 18F-FAZA kinetic modelling – a pilot study Open
ClinicalTrials.gov, NCT04054609. Registered 20,190,611, https//clinicaltrials.gov/study/NCT04054609.
View article: Trends in Interventional Radiology: A Bibliometric Analysis of the Canadian Association of Radiologists Journal
Trends in Interventional Radiology: A Bibliometric Analysis of the Canadian Association of Radiologists Journal Open
View article: Procedure-Related Mortality in Aspiration Thrombectomy for Pulmonary Embolism: A MAUDE Database Analysis of the Inari FlowTriever and Penumbra Indigo Systems
Procedure-Related Mortality in Aspiration Thrombectomy for Pulmonary Embolism: A MAUDE Database Analysis of the Inari FlowTriever and Penumbra Indigo Systems Open
Background: Pulmonary embolism (PE) is an important cause of death and disability. Advances in catheter-directed therapies have led to the use of devices, such as the Inari FlowTriever and Penumbra Indigo system for aspiration thrombectomy…
View article: Moving away from metal: Step toward the future with bioresorbable vascular scaffolds and novel antiproliferative agents
Moving away from metal: Step toward the future with bioresorbable vascular scaffolds and novel antiproliferative agents Open
View article: Managing Angiography Unit Failure in Interventional Radiology: Lessons in Crisis Management and Considerations in Prevention
Managing Angiography Unit Failure in Interventional Radiology: Lessons in Crisis Management and Considerations in Prevention Open
Functional and efficient medical equipment is at the core of modern healthcare delivery, particularly in medical imaging. Growing healthcare costs and constrained budgets can delay equipment renewal. Aging equipment risks malfunction, pote…
View article: Axillary compared to brachial access for endovascular procedures
Axillary compared to brachial access for endovascular procedures Open
Objectives Limited knowledge exists regarding access site complication rates between trans-axillary and trans-brachial approaches with sheath sizes ≥6Fr. We retrospectively reviewed our institution experience with access site complications…
View article: Cardiothoracic Imaging for Outcome Prediction in Chronic Thromboembolic Pulmonary Hypertension after Pulmonary Endarterectomy or Balloon Pulmonary Angioplasty: A Scoping Review
Cardiothoracic Imaging for Outcome Prediction in Chronic Thromboembolic Pulmonary Hypertension after Pulmonary Endarterectomy or Balloon Pulmonary Angioplasty: A Scoping Review Open
There has been a rapid expansion in centers performing balloon pulmonary angioplasty (BPA) and pulmonary thromboendarterectomy (PTE) for chronic thromboembolic pulmonary hypertension (CTEPH). The purpose of this scoping review was to ident…
View article: Feasibility of Artificial Intelligence Powered Adverse Event Analysis: Using a Large Language Model to Analyze Microwave Ablation Malfunction Data
Feasibility of Artificial Intelligence Powered Adverse Event Analysis: Using a Large Language Model to Analyze Microwave Ablation Malfunction Data Open
Objectives: Determine if a large language model (LLM, GPT-4) can label and consolidate and analyze interventional radiology (IR) microwave ablation device safety event data into meaningful summaries similar to humans. Methods: Microwave ab…
View article: Large Bore Mechanical Thrombectomy for Right Atrial Thrombus and Pulmonary Embolism in the Early Post-Operative Period After Double Lung Transplantation
Large Bore Mechanical Thrombectomy for Right Atrial Thrombus and Pulmonary Embolism in the Early Post-Operative Period After Double Lung Transplantation Open
View article: Quality Improvement in Interventional Radiology: A Critical Look at Modern Bleeding Risk Guideline Implementation
Quality Improvement in Interventional Radiology: A Critical Look at Modern Bleeding Risk Guideline Implementation Open
View article: Integrated pulmonary index during procedural sedation and analgesia: A cluster‐randomized trial
Integrated pulmonary index during procedural sedation and analgesia: A cluster‐randomized trial Open
Aim To evaluate the effectiveness of utilizing the integrated pulmonary index for capnography implementation during sedation administered by nurses. Design Cluster‐randomized trial. Methods Participants were enrolled from the interventiona…
View article: Determining pre-procedure fasting alert time using procedural and scheduling data
Determining pre-procedure fasting alert time using procedural and scheduling data Open
Before a medical procedure requiring anesthesia, patients are required to not eat or drink non-clear fluids for 6 h and not drink clear fluids for 2 h. Fasting durations in standard practice far exceed these minimum thresholds due to uncer…
View article: Automating sedation state assessments using natural language processing
Automating sedation state assessments using natural language processing Open
Introduction Common goals for procedural sedation are to control pain and ensure the patient is not moving to an extent that is impeding safe progress or completion of the procedure. Clinicians perform regular assessments of the adequacy o…
View article: An Introductory Guide to Artificial Intelligence in Interventional Radiology: Part 1 Foundational Knowledge
An Introductory Guide to Artificial Intelligence in Interventional Radiology: Part 1 Foundational Knowledge Open
Artificial intelligence (AI) is rapidly evolving and has transformative potential for interventional radiology (IR) clinical practice. However, formal training in AI may be limited for many clinicians and therefore presents a challenge for…
View article: An Introductory Guide to Artificial Intelligence in Interventional Radiology: Part 2: Implementation Considerations and Harms
An Introductory Guide to Artificial Intelligence in Interventional Radiology: Part 2: Implementation Considerations and Harms Open
The introduction of artificial intelligence (AI) in interventional radiology (IR) will bring about new challenges and opportunities for patients and clinicians. AI may comprise software as a medical device or AI-integrated hardware and wil…
View article: Real-World Experience With the Angio-Seal Closure Device: Insights From Manufacturer and User Facility Device Experience Database
Real-World Experience With the Angio-Seal Closure Device: Insights From Manufacturer and User Facility Device Experience Database Open
Purpose: Angio-Seal (Terumo Medical Corporations, Somerset, New Jersey) device is indicated for femoral arteriotomy closure. Real-world published data on complications are limited. We present 1 year of safety events involving Angio-Seal fr…
View article: Enhancing preoperative assessment in chronic thromboembolic pulmonary hypertension: A comprehensive analysis of interobserver agreement and proximity-based CT pulmonary angiography scoring
Enhancing preoperative assessment in chronic thromboembolic pulmonary hypertension: A comprehensive analysis of interobserver agreement and proximity-based CT pulmonary angiography scoring Open
CT level of disease demonstrated good agreement between radiologists and was highly predictive of the surgical level in CTEPH. Occlusions were the most reliable sign of chronic thromboembolism and are important in assessing the segmental v…
View article: Insights From the FDA’s MAUDE Database Regarding the Real-World Safety of Jetstream Atherectomy for Peripheral Arterial Disease
Insights From the FDA’s MAUDE Database Regarding the Real-World Safety of Jetstream Atherectomy for Peripheral Arterial Disease Open
Introduction: Rotational atherectomy has shown promise as an adjunctive therapy to percutaneous transluminal angioplasty (PTA) and stenting for the treatment of peripheral arterial disease (PAD). However, published data regarding the safet…
View article: Antegrade Laser In Situ Fenestration For the Treatment of Thoracoabdominal and Juxtarenal Aortic Aneurysms
Antegrade Laser In Situ Fenestration For the Treatment of Thoracoabdominal and Juxtarenal Aortic Aneurysms Open
View article: Automated and Interpretable Deep Learning For Carotid Plaque Analysis Using Ultrasound
Automated and Interpretable Deep Learning For Carotid Plaque Analysis Using Ultrasound Open
View article: Chronic thromboembolic pulmonary hypertension secondary to a vascular malformation: case report diagnosis by lung subtraction iodine mapping
Chronic thromboembolic pulmonary hypertension secondary to a vascular malformation: case report diagnosis by lung subtraction iodine mapping Open
Chronic thromboembolic pulmonary hypertension (CTEPH) is a challenging diagnosis that can occur even in the absence of a prior thrombotic event. The main screening test is ventilation-perfusion (VQ) scintigraphy. The gold standard treatmen…
View article: Safety and efficacy of fluoroscopically guided cerebrospinal fluid drainage for thoracoabdominal aortic aneurysm repair
Safety and efficacy of fluoroscopically guided cerebrospinal fluid drainage for thoracoabdominal aortic aneurysm repair Open
Objective: To review the safety and efficacy of perioperative cerebrospinal fluid (CSF) drainage catheter placement using fluoroscopic guidance in patients undergoing thoracoabdominal aortic aneurysm (TAAA) repair. Methods: Research Ethics…
View article: Vascular Closure Devices For Axillary Artery Access: A Systematic Review and Meta-Analysis
Vascular Closure Devices For Axillary Artery Access: A Systematic Review and Meta-Analysis Open
Purpose: To evaluate the technical success and complication rates of vascular closure devices (VCDs) in the axillary artery. Materials and Methods: MEDLINE and Embase were searched independently by two reviewers to identify observational s…
View article: Wisdom in Interventional Radiology: There’s More to Practice Than Just Technical Skills
Wisdom in Interventional Radiology: There’s More to Practice Than Just Technical Skills Open
View article: Table of contents
Table of contents Open
View article: Utility of 4D CT in endoleak characterization after advanced endovascular aortic repair
Utility of 4D CT in endoleak characterization after advanced endovascular aortic repair Open
Objectives To assess the performance of dynamic or 4D CT in characterizing endoleaks in advanced endovascular aortic repair (branched and fenestrated) when other modalities fail to fully characterize the leak, most often conventional CTA. …
View article: Minimally invasive delivery of ethanol for the treatment of urinary bladder fistulas
Minimally invasive delivery of ethanol for the treatment of urinary bladder fistulas Open
Urinary bladder fistula formation is a complication of significant morbidity and mortality following pelvic surgery or radiotherapy. Surgical treatment is the definitive management, but it may be contraindicated in patients with significan…