Preventing Postoperative Delirium

CA-2 · II.D.9.a.2 II.D.2.c.2 I.B.7.f

37Sources
6Kept
0Dropped

1 · Find evidence

PubMed query

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OpenEvidence opens in your own logged-in session with the question filled in. Nothing is fetched on your behalf — read it there, then add what you want to teach as a point below, citing the source it came from.

37 candidate papers

Ticked papers are the ones a deck may be built from. Unticking one needs a reason — the citation gate proves a paper exists, and nothing but you decides whether it should be taught. A tier badge appears where the paper’s publication type is known.

Same-day build

PubMed query

Runs the tiered searches, drafts one point per included paper, runs the citation gate and builds a draft deck — the steps below, unattended. Same-day build — drafted locally (medgemma:27b), confirmed against each abstract. The deck still lands in draft: nothing here approves anything.

2 · Teaching points

Source

A point with no source will not survive the gate. That is the point of the gate.

6 points

The American Geriatrics Society guideline puts multicomponent non-pharmacologic intervention first for preventing delirium in at-risk older surgical patients, with pharmacologic measures secondary. PMID 25495432 kept
Processed EEG guidance gave a pooled odds ratio of 0.78 for delirium that did not reach significance (P=0.054), with substantial heterogeneity between the nine trials. PMID 35183345 kept
In patients over 65 admitted to intensive care after non-cardiac surgery, a low-dose dexmedetomidine infusion reduced delirium over the first seven days from 23% to 9%. PMID 27542303 kept
Dexmedetomidine's effect on delirium is dose-dependent: cumulative doses at or below 0.49 micrograms per kilogram were associated with less delirium, while higher doses were not, with the lowest risk between 0.25 and 0.35. PMID 41717663 kept
Whether deep anaesthesia is deliriogenic remains unsettled: the effect in the BALANCED delirium substudy appeared to rest on outcomes in patients from East Asia. PMID 34503835 kept
Pooled across six trials in older non-cardiac surgical patients, dexmedetomidine reduced delirium and lowered tachycardia, hypertension, stroke and hypoxaemia — but increased bradycardia. PMID 31419229 kept

Checks every citation against PubMed, the DOI resolver, or a live fetch. Points that do not resolve are dropped and shown to you with the reason — never quietly softened.

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5 · Question bank

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