Questions · Perioperative Management of Obstructive Sleep Apnea
7 questions, 0 approved. Approve them one at a time — a quiz shows nothing you have not.
Recall — derived from a kept point
Given that OSA roughly doubles the odds of postoperative respiratory failure and unplanned ICU transfer, what does that evidence actually justify doing, and what does it not justify?
Answer: It justifies planning for a respiratory risk that is roughly doubled: anticipating airway and ventilation problems, and monitoring accordingly. It does not justify cancelling or deferring surgery on the basis of an OSA diagnosis alone — the meta-analysis measured associations with complications among patients who had surgery, and says nothing about the outcomes of postponement.
An odds ratio for a complication tells you how to prepare, not whether to proceed.
Source claim: Surgical patients with obstructive sleep apnoea are at increased risk of postoperative respiratory failure, cardiac events and ICU transfer.
Kaw et al., Postoperative complications in patients with obstructive sleep apnea: a meta-analysis, J Clin Anesth 2014
recall · CA-2 · phrased by llm
Heterogeneity was low in this meta-analysis for respiratory failure and cardiac events, with I² values of 5% and 0%. Why does that matter when you quote these odds ratios?
Answer: Low I² means the included studies produced relatively consistent effect estimates rather than disagreeing with one another, so the pooled odds ratio is summarising a coherent set of results rather than averaging conflicting ones. It says nothing about risk of bias within those studies, which still matters. The authors also report that results did not materially change in sensitivity analyses across different inclusion criteria.
Consistency between studies and quality of studies are different questions. I² answers only the first.
Source claim: Heterogeneity was low for postoperative respiratory failure and cardiac events in the OSA meta-analysis (I² = 5% and 0% respectively) and results did not materially change in sensitivity analyses.
Kaw et al., Postoperative complications in patients with obstructive sleep apnea: a meta-analysis, J Clin Anesth 2014
recall · CA-2 · phrased by llm
The point with one number taken out. No model wrote any of this: the stem is the sentence you reviewed, minus a digit, and the paper it came from is named beneath it.
Open prompts
Walk me through your setup for this before we start.
open · CA-1 · phrased by derived
What are you watching on the monitor that would tell you this is going wrong?
open · CA-1 · phrased by derived
What is your first move if it does?
open · CA-1 · phrased by derived
What would you want ready in the room before induction?
open · CA-1 · phrased by derived
Questions only — nothing here asserts anything, which is why a model is allowed to phrase them. Where no model was reachable these are the level defaults.