Once a varicocele is causing symptoms or affecting fertility, the next question is usually: surgery or something less invasive? Here’s how varicocele embolization compares to traditional surgical repair, so you know what to expect from each.
Varicocele Surgery (Varicocelectomy)
Traditionally, varicoceles have been treated surgically by a urologist through a procedure called varicocelectomy. An incision is made in or near the scrotum or groin, and the surgeon locates and ties off (ligates) the affected veins, redirecting blood flow through healthy vessels. This can be done as open surgery, often with the help of an operating microscope, or laparoscopically through small incisions with a camera and specialized instruments.
Varicocelectomy is typically performed under general or regional anesthesia, and most patients need two to six weeks of recovery time before returning to strenuous activity. Success rates are generally comparable to embolization, but the surgical approach carries the usual risks associated with incisions and anesthesia, including infection, bleeding, and a longer recovery.
Varicocele Embolization
Varicocele embolization takes a different route entirely — instead of accessing the varicocele directly through the scrotum, an interventional radiologist works from the inside of the blood vessels. A thin catheter is inserted through a small puncture in the groin or neck and guided, using X-ray imaging, into the vein feeding the varicocele. Tiny coils or a specialized embolic material are then released to block the faulty vein, rerouting blood flow to healthier vessels nearby.
Because there’s no incision in the scrotum, no stitches, and no general anesthesia required, embolization is typically performed with local anesthesia and light sedation on an outpatient basis. The procedure usually takes under an hour, and most patients return to normal activities within a day or two.
Comparing the Two: What the Research Shows
- Success rates: Both treatments show similarly high success rates, with embolization frequently reported above 90% technical success, and therapeutic (symptom and fertility) improvement in roughly 75–95% of patients across published studies.
- Invasiveness: Embolization requires no surgical incision in the scrotum and no general anesthesia — a meaningful difference for many patients.
- Recovery time: Embolization patients often return to normal activity within a day or two; surgical patients typically need one to several weeks.
- Fertility outcomes: Multiple studies report improvements in sperm count, motility, and morphology following embolization, similar to outcomes seen after surgery.
- Scarring: Embolization leaves no visible surgical scar, only a small puncture mark that heals quickly.
Which Option Is Right for You?
For most men, embolization offers the same effectiveness as surgery with a notably easier recovery — which is why it’s increasingly the first choice recommended by interventional radiologists. That said, the right treatment depends on the specific anatomy of your varicocele, your overall health, and your personal preferences, which is why a proper evaluation matters before deciding.
Want to understand what causes a varicocele in the first place? Read our companion post, Understanding Varicocele in Men. If you’re in the Kansas City area, learn more about how MIVA Medical performs this procedure on our Varicocele Embolization page, or book a consultation to see if embolization is right for you.