Clinical Report: Transbrachial Versus Transfemoral Venous Access for Varicocele Embolization

Overview

The supplied article describes a retrospective comparison of transbrachial and transfemoral access for varicocele embolization, with technical success, dose-area product (DAP), and fluoroscopy duration as primary outcomes. The provided methods do not include study results, so comparative effects on radiation exposure or technical success cannot be reported from this material.

Background

Varicocele is a common condition associated with scrotal pain, hypogonadism, and infertility; the source reports prevalence of 15% in the general male population and more than 45% among men with primary infertility. Embolization is a minimally invasive treatment option that uses image-guided occlusion of incompetent testicular veins. Because the procedure uses ionizing radiation and is often performed in young patients, the source identifies radiation minimization as an important consideration. Common venous access routes include femoral, internal jugular, and brachial veins, while CIRSE standards do not express a preference for a specific route.

Data Highlights

Key Findings

• The study retrospectively reviewed varicocele embolizations performed using transbrachial or transfemoral access at one institution between November 2007 and December 2024.
• Eligibility required a clinically significant varicocele confirmed by the referring physician; cases without radiation-dose data were excluded.
• Primary outcomes were technical success, DAP, and total fluoroscopy duration.
• Technical success was defined as complete cessation of testicular vein flow confirmed by contrast-enhanced fluoroscopic control; unilateral success in an attempted bilateral procedure counted as partial success.
• The source identifies shortening fluoroscopy duration, using the lowest effective fluoroscopy mode, and increasing distance from the radiation source as radiation-protection strategies.
• CIRSE Standards of Practice, as described in the source, do not favor a specific venous access route for varicocele embolization.

Clinical Implications

The supplied excerpt establishes the outcomes and technical definitions used to compare transbrachial and transfemoral access but provides no comparative results to guide access selection. It identifies established radiation-protection measures and notes that CIRSE standards do not specify a preferred access route.

Conclusion

The article addresses whether transbrachial access differs from transfemoral access in radiation exposure and procedural success. The available source material contains the study rationale and methods but not the findings needed to determine comparative outcomes.

Related Resources & Content

1. Cardiovascular and Interventional Radiological Society of Europe, PubMed, 2022 -- CIRSE Standards of Practice on Varicocele Embolisation
2. ASCO Publications — Complications following implantable venous access port placement: Surgery versus interventional radiology.
3. ASCO Publications — Venous thromboembolism incidence in radiation oncology: Retrospective trial.
4. ASCO Publications — Venous thromboembolism incidence in radiation oncology: Retrospective trial.
5. European Radiology — Radiation exposure in transradial versus transfemoral access in endovascular treatment of intracranial aneurysms
6. https://d56bochluxqnz.cloudfront.net/documents/full-guideline/EAU-Guidelines-on-Sexual-and-Reproductive-Health-2026.pdf
7. CIRSE Standards of Practice on Varicocele Embolisation.