584 - Radiation Dose Decreases Following Adoption of a Novel Prostate Artery Embolization Technique

Monday, April 13, 2026

12:10 PM - 1:10 PM ET

Poster Presenter(s)

SM

Sean Matuszak, MD

Resident Physician
Columbia University Irving Medical Center, United States

Author/Co-author(s)

Kiyon Naser-Tavakolian, MD

Assistant Professor Interventional Radiology
Columbia University, United States
Raghuram Posham, MD

Assistant Professor
NewYork Presbyterian - Columbia University, United States

Purpose: Prostate artery embolization (PAE) is an emerging treatment for patients suffering from benign prostate hypertrophy (BPH). We sought to describe a novel PAE technique and the effects on procedure time and radiation dose.

Materials and Methods: Cases of elective PAE performed by a single operator were included in this study (N=36).

The technique adopted during the study consists of: 1. Obtaining a CT Angiogram of the pelvis during routine workup of PAE patients, 2. Postprocessing of the scan using a Siemens workstation to create roadmaps of the vasculature pre-procedure, and 3. Use of the preplanned anatomy uploaded to the fluoroscopy suite.

All cases pre- and post-adoption utilized NBCA glue as an embolic agent. Technical success was defined as successful embolization of bilateral prostatic arteries.

Data were compared between pre- and post-adoption cases using the Mann-Whitney U test. To control for potential confounding variables, we generated multivariate linear regression models including BMI, patient complexity (Charlson comorbidity index), and pre/post adoption status.

Results: Technical success rate was 100% in pre- and post-adoption cases. Post-adoption cases demonstrated significant reductions in median radiation dose (676 mGy vs 4104 mGy, p = 0.002) and median procedure time (104 min vs 208 min, p = 0.003). In the multivariate models, post-procedure cases were independent factors for lower radiation dose (p=0.003) and procedure time (p=0.03).

Conclusion: Radiation dose and procedure time were significantly reduced following this technique and remained significant when controlling for potential confounding variables. The decrease in fluoroscopy time was not statistically significant, which may be due to low sample size or unrelated procedural improvements such as reduced reliance on digital subtraction angiography or cone-beam CT (high-dose, low fluoroscopy time tools).