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03 / Vascular Surgery · open

Carotid endarterectomy

Coring the stroke-throwing plaque out of the carotid bifurcation, done soon after the warning event, with three cranial nerves watching the field.

Indication: Symptomatic carotid stenosis (TIA or minor stroke with 50-99 percent stenosis), ideally within two weeks of the event.

Part of Vascular Surgery →4 stages2 complications to knowopen
The stenosis at the carotid bifurcation that the operation removes
BruceBlaus · CC BY 3.0

Read the imaging first

The anatomy the operation is built on

Educational illustration
Medical illustration of the carotid artery in the neck with an inset showing plaque narrowing the bifurcation, beside a normal bifurcation
Carotid disease, illustrated · plaque at the bifurcation against a normal vessel

On the tray for this operation

Test yourself on the tray

Stage

1 / 4

Exposure

Incision along the sternocleidomastoid; the common, internal and external carotids are exposed and slung, with the hypoglossal and vagus nerves identified.

🔧 Scalpel🔧 Metzenbaum scissors🔧 DeBakey forceps

Watch for: Hypoglossal, vagus or marginal mandibular nerve injury

Why are we operating?

Carotid endarterectomy removes the plaque that has been embolising to the brain: for symptomatic high-grade stenosis it prevents the completed stroke the TIA rehearsed, and its benefit is front-loaded, greatest when done within two weeks of symptoms. The operation is a controlled trespass on the brain's supply line, and every step is shaped by that fact.

Pulls toward surgery

Symptomatic stenosis above 50% (greatest benefit above 70%)Surgery within two weeks of the index eventBest medical therapy running alongside, not insteadSelected asymptomatic disease after honest arithmetic

Gives the team pause

Near-occlusion and the stale completed stroke changing the calculusA hostile neck (radiotherapy, redo) favouring stentingPerioperative risk that would spend the benefit

Shared foundations

Inflow, outflow, conduit

Every revascularisation, open or endovascular, is the same sentence: blood must arrive (inflow), have somewhere to go (outflow), and something to travel through (conduit). Taught once here; every vascular operation assumes it.

Understand it once, in the specialty hub

What the surgeon is thinking

  • Exposure

    Why is the exposure a cranial nerve exercise?

    The bifurcation lives in a crowd: the hypoglossal crossing above, the vagus in the sheath behind, the marginal mandibular branch under the incision's upper end. Cranial nerve injury is a commoner complication than stroke in many series, and gentle, named dissection of each neighbour is the prevention.

  • Clamping, and the shunt question

    What question does clamping ask, and how is it answered?

    Whether the brain can live on its collaterals for the duration: answered by the awake patient's speech and grip under local anaesthesia, or by monitoring surrogates under general. The shunt is the insurance for a failing answer, with its own small embolic cost, which is why 'shunt always, never, or selectively' is a real doctrine debate.

  • The endarterectomy

    What makes the endpoint of the plaque so important?

    The plaque peels out in a plane within the media, but where it ends distally the intima must feather smoothly or be tacked down: a loose distal flap is a dissection waiting for flow to lift it. The operation's quality lives at this endpoint more than anywhere else.

  • Patch closure and restoration of flow

    Why close with a patch rather than edge-to-edge?

    Direct closure narrows a vessel that was operated on for narrowing: the patch restores calibre and lowers restenosis and early thrombosis risk. The completion check (Doppler, imaging, or the awake patient's unchanged examination) is the operation's last quality gate.

Decision points

  • Local or general anaesthesia for the endarterectomy?

    • Local/regional, awake

      The brain monitors itself: speech and contralateral grip during clamping are the gold-standard neuromonitor, and shunts go only to those who need them.

    • General anaesthesia

      Stiller field and patient comfort, with monitoring by surrogate (stump pressure, EEG, oximetry) or a routine-shunt policy.

    Trials call the outcomes similar, which frees the choice to be about the patient and the team: the awake carotid remains the clearest demonstration in surgery of physiology monitored at the source.

  • Two hours after surgery the recovery nurse reports new arm weakness.

    • Immediate imaging or re-exploration

      Early post-CEA deficit is thrombosis at the endarterectomy site until proven otherwise: minutes matter, and many units go straight back to theatre.

    • Observe and rescan later

      The wrong tempo for a new deficit: the clot propagates while the scan is scheduled.

    The operation's watch continues into recovery: new deficit means the artery, tense swelling means the airway, and severe unilateral headache means hyperperfusion. Each has a pathway with a clock, and the covering team must know all three.

Leaving the OR

The handoff

Procedure
Left carotid endarterectomy with patch, awake under regional block
Clamp
Tolerated without shunt; neuro examination unchanged throughout
Wound
Soft, drain in; nerves identified and preserved
Watch for
Hourly neuro obs, BP to prescribed target, neck swelling, new headache

A fictional educational patient, handed over the way real ones are.

The postoperative course

  1. POD 0Hourly neurological observations and strict blood pressure targets: the two levers that protect both the artery and the brain tonight.
  2. POD 1Home or ward-step-down for most; the wound checked with the haematoma drill in mind, since the airway is the neighbour.
  3. Week 1-2Hyperperfusion's window: severe unilateral headache or seizure earns urgent review, not analgesia alone.
  4. Long termBest medical therapy is the operation's other half: antiplatelet, statin, pressure and the risk-factor work that protects every other artery too.

Watch it done

Find Carotid endarterectomy videos on YouTube

What can go wrong

Postoperative bleedingSurgical-site infection
Live this operation as a case →OR Prep this operationReview the instruments