Hemorrhoidal Artery Embolization (Emborrhoid)

Hemorrhoidal artery embolization (HAE), sometimes called the “emborrhoid” technique, is a fundamentally different approach from everything else in this surgery section — it’s performed by an interventional radiologist rather than a colorectal surgeon, through a small puncture in the wrist or groin rather than through the anus.

Key takeaways

HAE blocks blood flow to hemorrhoidal arteries from inside the blood vessels themselves, accessed through the wrist or groin — no incisions near the anus at all.
It’s particularly notable as an option for patients at higher surgical risk, since it avoids general anesthesia and anal-area incisions entirely.
It’s generally more effective for bleeding than for prolapse specifically, and is a newer technique with a smaller long-term evidence base than traditional surgery.

How it works

Using catheter-based techniques similar to those used in cardiac or other vascular interventional procedures, an interventional radiologist accesses the arterial system through a small puncture (commonly in the wrist or groin) and threads a catheter to the specific arteries supplying the hemorrhoidal tissue. Small particles or coils are then used to block blood flow to these vessels, causing the hemorrhoids to gradually shrink over time as their blood supply is reduced.

Why this approach is notable

Because there’s no incision or instrumentation anywhere near the anus itself, HAE avoids essentially all of the local pain, wound healing, and anal-area complications (like anal stenosis or fissure) associated with the surgical options covered elsewhere in this section. This makes it a particularly relevant option for patients who are at higher risk from general anesthesia or traditional anorectal surgery, or who specifically want to avoid the recovery profile associated with those options.

What it’s most effective for

HAE has reported resolution rates for bleeding in the range of roughly 65–85% in available data — a meaningful, real effect, though this is generally considered more effective for bleeding specifically than for significant prolapse, which this technique doesn’t directly address the way stapled hemorrhoidopexy or excisional surgery does.

Safety profile

Reported complication rates are notably favorable compared to more invasive options — without the swelling, fissures, or incontinence risk associated with anorectal surgical procedures, since the treated area is entirely vascular and accessed remotely rather than through the anal canal itself.

Limitations to know about

Newer technique — with a smaller long-term outcome and recurrence evidence base compared to established options like hemorrhoidectomy
Less established for prolapse — if significant prolapse (rather than primarily bleeding) is your main symptom, this may not be the most appropriate first option
Requires interventional radiology expertise and equipment — not available at every practice, and coordination between colorectal surgery and interventional radiology teams is typically needed

Who this tends to be a good fit for

Patients with significant bleeding as the primary symptom, particularly those at higher surgical risk from anesthesia or traditional anorectal surgery
Patients specifically wanting to avoid anal-area incisions and the associated recovery
Cases where a colorectal surgeon and interventional radiologist agree this approach fits your specific presentation

What to ask

Whether your primary symptom (bleeding vs. prolapse) makes you a good candidate for this specific approach
The treating team’s experience with this technique
What the realistic expectations are for your specific situation, given this is generally more established for bleeding than for prolapse

Want to see how this compares to more traditional surgical options overall? See Comparing surgical options.

This page is for general education. HAE requires coordination between colorectal surgery and interventional radiology — discuss with both specialties whether this is appropriate for your situation.