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Area of Science:

  • Interventional Radiology
  • Medical Imaging
  • Radiation Oncology

Background:

  • Benign prostatic hyperplasia (BPH) is a common condition in aging men.
  • Prostatic artery embolization (PAE) is an effective minimally invasive treatment for BPH.
  • Accurate catheterization of prostatic arteries is crucial for successful PAE.

Purpose of the Study:

  • To evaluate the radiation dose delivered to patients during PAE.
  • To assess the utility of cone-beam CT (CBCT) and 3D guidance software in PAE.
  • To determine if the employed protocol results in a low overall radiation dose.

Main Methods:

  • Retrospective analysis of 100 patients undergoing PAE for BPH.
  • Utilized intraprocedural CBCT for vessel anatomy evaluation and 3D software for catheter guidance.
  • Measured total dose area product (DAP) and DAP from fluoroscopy, digital subtraction angiography (DSA), and CBCT.

Main Results:

  • Bilateral embolization was successful in 83% of patients.
  • The average total DAP was 134.4 Gy·cm².
  • CBCT contributed 30.3% to the total DAP, while DSA contributed 43.3% and fluoroscopy 26.4%.

Conclusions:

  • Intraprocedural CBCT with 3D guidance software facilitates prostatic artery identification and catheterization during PAE.
  • The study protocol appears to achieve a low overall radiation dose.
  • This technique supports effective and potentially safer PAE procedures.