CHAMGAP
APPROVEDReviewed and approved by the Chamgap Editorial Team (2026-08-01). The draft was written by AI, the existence of all 2 cited sources was verified at the original page, and the verdict passed blind grading and adversarial audit. Methodology v0.6.
Verdict No. 1909 · Search date 2026-08-01 · Methodology v0.6

Adenotonsillectomy,
does it really help with Improved attention and executive function in children with sleep-disordered breathing?

30-Second Summary
D
Evidence Grade D · 30 · Safety caution
Sleep symptoms and behavior may improve, but primary attention and executive-function outcomes did not in two large trials
General anesthesia and postoperative pain, bleeding, and dehydration require specialist evaluation and monitoring; PATS reported surgery-related serious adverse events in six children, or 2.7%.
What the
research shows
The grade is D. Both PATS coprimary outcomes failed: BRIEF difference -0.96 (95% CI -2.66 to 0.74), P=0.27, and Go/No-Go d-prime difference 0.05 (-0.18 to 0.27), P=0.68. CHAT also missed its objective attention and executive-function primary endpoint. This verdict rejects only the objective cognition claim.
What the
ads claim
Improved snoring, sleep symptoms, or behavior should not be relabeled as improved objective attention or executive function. These are distinct outcomes.
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Useful facts when choosing a product

  • PATS studied mild sleep-disordered breathing with AHI below 3, whereas CHAT studied children with more definite obstructive sleep apnea.
  • PATS assessors were masked and CHAT used standardized objective cognitive testing.
  • Verdict 1722 is B with 68 points for adult recurrent-tonsillitis sore throat, and verdict 458 is D with 28 points for pharyngotonsillitis prevention; neither addresses pediatric cognition after sleep-disordered breathing treatment.
Gap Measurement · Verdict 1909 · D 30
What advertising claims
What independent, higher-quality research supports
△ GAP
01

What the research actually shows

PATS was supported by NHLBI. CHAT had NIH support and no commercial funding. Independent publicly funded trials repeatedly found null objective attention and executive-function primary outcomes; both PATS coprimary outcomes failed rather than splitting success.

02

Why this is classified as D (30)

Two independent large publicly funded trials failed primary attention and executive-function outcomes, but selected high-risk benefit remains possible, giving D with 30 points.

Counterpoint. D does not deny benefits for snoring, symptoms, behavior, or quality of life; it applies narrowly to attention and executive-function improvement.

Rejudgment record. Cross-check applied — Two large publicly funded RCTs in mild sleep-disordered breathing and obstructive sleep apnea repeatedly found null primary attention and executive-function outcomes, while selected high-risk groups remain underrepresented

Scoring profile behind this grade
EndpointPPatient-reported treatment goal - the symptom is the goal
ReplicationRXRepeatedly refuted in the same indication
IndependenceI2Decisive evidence is publicly or non-profit funded
Effect sizeE0Null
PrecisionC0The confidence interval leaves room for benefit

The scoring table and the verdict agree (D).

Sub-claim grades by effect

This ingredient is marketed for several effects. A single overall grade blends strong and weak claims together, so each effect is graded separately here. The overall grade reflects the strongest disconfirming or core claim.

Effect (sub-claim)GradeBasis
Improved executive functionDKey PATS BRIEF and CHAT NEPSY analyses were both nonsignificant.
Improved attentionDThe PATS Go/No-go difference was 0.05 points, P=0.68.
Improved sleep symptoms and behaviorBSeveral secondary outcomes improved in both trials but are separate from this cognition verdict.

Cross-check — Codex and Claude

This verdict was drafted by Codex through literature review and source-existence checks, cross-checked through blind grading and adversarial audit, and settled by reapplying the methodology boundary rules. Cases with split grades were resolved through rejudgment.
03

Evidence Table

StudyDesignSampleFundingEndpointResultWeight
Study 1Multicenter randomized single-blind watchful-waiting-controlled trial394Public funding from the U.S. NHLBI12-month BRIEF executive function and Go/No-go attention, the coprimary outcomesExecutive-function difference -0.96, 95% CI -2.66 to 0.74, P=0.27; attention difference 0.05, 95% CI -0.18 to 0.27, P=0.68.Large publicly funded trial with both coprimary outcomes null
Study 2Multicenter randomized watchful-waiting-controlled trial203Public U.S. NIH funding; no commercial fundingChange in NEPSY attention and executive function, the primary endpointImprovement 7.1±13.9 versus 5.1±13.4 points, P=0.16.Independent repeated null result in a different severity population
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Receipt — 2 References

All 2 cited sources were verified for existence at the original page (as of 2026-08-01).

Redline S, Cook K, Chervin RD, et al. Adenotonsillectomy for Snoring and Mild Sleep Apnea in Children: A Randomized Clinical Trial. JAMA. 2023;330(21):2084-2095. DOI: 10.1001/jama.2023.22114.
checked
Marcus CL, Moore RH, Rosen CL, et al. A randomized trial of adenotonsillectomy for childhood sleep apnea. N Engl J Med. 2013;368(25):2366-2376. PMID: 23692173. DOI: 10.1056/NEJMoa1215881.
checked
Draft and rewrite: Codex (AI) · Verification: Codex blind grading and adversarial audit · Final adjudication: Claude
Reviewed and approved: Chamgap Editorial Team · Approval date: 2026-08-01 · Corrections: none

Cite this verdict

Adenotonsillectomy x pediatric attention and executive function Evidence Grade D card
[Chamgap] Adenotonsillectomy x pediatric attention and executive function — Evidence Grade D·30. 2 cited sources checked. Source: https://chamgap.com/en/verdicts/cognition/adenotonsillectomy-pediatric-sdb-attention-executive-function/ · CC BY 4.0

CC BY 4.0 — free to use with attribution; do not distort grades, numbers, or verdict meaning.

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What this document does and does not do

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