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Comparative image quality and dosimetric performance of two generations of dedicated breast CT systems.
Med Phys
January 2025
Department of Medical Imaging, Radboud University Medical Center, Nijmegen, The Netherlands.
Background: Dedicated breast computed tomography (bCT) systems offer detailed imaging for breast cancer diagnosis and treatment. As new bCT generations are developed, it is important to evaluate their imaging performance and dose efficiency to understand differences over previous models.
Purpose: To characterize the imaging performance and dose efficiency of a second-generation (GEN2) bCT system and compare them to those of a first-generation (GEN1) system.
Evolving operator practices reduced patient radiation dose in Interventional Cardiology: Trends in a single center.
Am Heart J
January 2025
Department of Cardiology, Columbia University Irving Medical Center/New York-Presbyterian, New York, NY 10032.
Background: This retrospective study addresses the role of operator and fluoroscopy equipment in reducing patient radiation exposure in the Cath lab.
Methods: Data from 99,400 procedures performed in our institution between 2007 and 2019 were reviewed. Dosimetric parameters included reference point air kerma (K), Kerma Area Product (P), fluoroscopic time, and contrast volume.
Designing and clinical application of a 3D-printed personalized model of a radiofrequency needle guide with a maxillary fixator for puncture of the gasserian ganglion for trigeminal neuralgia treatment.
J Neurosurg
January 2025
1Department of Neurosurgery, I.M. Sechenov First Moscow State Medical University (Sechenov University), Moscow, Russian Federation.
Objective: The purpose of this study was to present a newly designed 3D-printed personalized model (3D PPM) of a radiofrequency needle guide with a maxillary fixation for gasserian ganglion (GG) puncture.
Methods: Implementation of 3D CT-guided radiofrequency therapy of the GG with and without use of 3D PPM was analyzed. The following parameters were assessed: radiation time, dose area product, air kerma reference point, pain severity during the puncture needle insertion, prosopalgia regression degree (according to visual analog scale) and the severity of facial numbness (according to the Barrow Neurological Institute scale) in the early postoperative period, and postpuncture complications.
Radiation in the Bronchoscopy Suite: One Center's Experience With Navigational Bronchoscopy and a Review of the Literature.
J Bronchology Interv Pulmonol
April 2025
Thoracic Surgery, BASS Medical Group, Walnut Creek, CA.
Background: This study aimed to quantify radiation doses during navigational bronchoscopy procedures, comparing them with reported cohorts and evaluating the LungVision (Body Vision Medical Inc.) system's efficacy in dose reduction.
Methods: This retrospective observational study included 52 consecutive navigational bronchoscopy cases, categorized into 4 imaging groups based on the C-arm: Cios Spin (Siemens Healthineers), or OEC 9900 (GE HealthCare); and the 3D tomographic imaging algorithm: Cios Spin's onboard imaging, or LungVision's AI-driven imaging.
Implementing Patient Protection Radiation Dose Alerts for Pediatric Cardiac Catheterization Examinations.
J Soc Cardiovasc Angiogr Interv
December 2024
Cincinnati Children's Hospital Medical Center, Cincinnati, Ohio.
Background: Advancements in cardiac catheterization have improved survival for pediatric congenital heart disease patients, but the associated ionizing radiation risks necessitate ethical consideration.
Methods: This study presents an empirical model, developed from 3131 unique pediatric procedures, to establish alert levels based on a patient's lateral thickness of the thorax for various procedural categories during diagnostic or interventional cardiac catheterization. The model uses linear regression of logarithmic reference air kinetic energy released per unit mass (KERMA) and air KERMA area product, also referred to as dose area product, to set alert levels at the top 95% and 99% of patient data.
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