Removing the Adenoids for Chronic Nasal Symptoms (Cochrane Review)
The adenoids — a pad of tissue at the back of the nose — are a frequent culprit when a child's nose stays blocked or runs for months on end. Surgically removing them is one of the most common ENT operations performed worldwide. Yet, as this Cochrane review points out, no one had systematically assessed how well adenoidectomy actually works for children whose main problem is recurrent or chronic nasal symptoms.
The review set out to compare the surgery against non-surgical management, gathering the controlled evidence to see whether taking out the adenoids reliably clears the nose better than conservative care. Cochrane's methods are the most demanding in evidence synthesis, which makes this a careful audit of a procedure often done on clinical instinct.
This matters because a chronically blocked nose is the gateway to the entire cascade this project tracks: it forces mouth breathing, which reshapes the growing face and compromises the airway. If removing obstructing adenoids restores nasal breathing, it addresses the problem at its source. But subjecting even a common surgery to rigorous scrutiny — rather than assuming it works — is exactly the evidence-first stance the movement stands for.
Key Findings
A Cochrane review assessed adenoidectomy versus non-surgical management for children with recurrent or chronic nasal symptoms.
Adenoidectomy is one of the most common ENT operations worldwide, yet its effectiveness for this specific group had not been formally reviewed.
It weighs a routine surgery against watchful waiting for a persistently blocked nose.
Source
van den Aardweg et al., Cochrane Database of Systematic Reviews, 2010
DOI: 10.1002/14651858.CD008282
Added to the Evidence Hub: 17 June 2026
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