BOAS surgery risks and honest outcomes

EMReviewed by Eben Martin, Veterinary Surgeon · Updated August 2026

The large majority of dogs breathe, sleep and exercise meaningfully better after BOAS surgery, and owner satisfaction is high. The honest limits: the highest risk sits in the first post operative days, dogs with established laryngeal collapse have a lower ceiling, and no surgery gives a flat faced dog a normal airway.

The risk picture, plainly

  • The recovery window: swelling in a narrow airway is the headline risk and the case for monitored overnight care; serious events are uncommon in experienced hands and fast moving when they occur
  • Anaesthesia: brachycephalics are higher risk patients by anatomy; experience and preparation, not luck, manage it
  • Persistent signs: dogs operated late, especially with laryngeal collapse, improve less; a minority need staged or revision procedures
  • Ongoing breed realities: reflux, heat sensitivity and airway vigilance remain part of life, just at a much better baseline

What success looks like a year on

The realistic year later picture for a dog operated at a sensible age: sleeps flat and quietly, plays without hitting the breathing wall, handles warm days with ordinary care, and pants effectively. The stethoscope still knows it is a frenchie. The dog no longer organises its whole day around getting enough air, and that is the outcome the surgery is honestly selling.

Told your frenchie needs airway surgery?

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Common questions

What is laryngeal collapse and why does everyone mention it?

It is the late stage of the spiral: cartilage softened by years of suction folding into the airway. Mild collapse is common and manageable; advanced collapse limits what palate and nares surgery can achieve, and is the strongest argument for operating before it develops.

Is the laser version better than traditional surgery?

Laser and traditional techniques both work well for palate and nares in experienced hands. Laser assisted turbinectomy addresses a different, deeper obstruction in selected dogs. The team's case volume matters more than the tool's brand name.

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