A systematic review of the effects of sedatives and anesthetics in patients with obstructive sleep apnea
Bibliographic record
Abstract
The objective of this review is to determine the effects of perioperative sedatives and anesthetics in surgical patients with obstructive sleep apnea (OSA) on respiratory events, medication requirements, hemodynamics, pain, emergence, and hospital stay. We searched The Cochrane CENTRAL Register of Controlled Trials, Medline, Embase, and Cochrane Database of Systematic Reviews from 1950 to June 2010 for relevant articles. All prospective and retrospective studies were eligible for inclusion if the effects of perioperative administration of sedation and anesthetics on medication requirements, pain, emergence, hemodynamics, respiratory events, and length of hospital stay in OSA patients were reported. The search strategy yielded 18 studies of 1467 patients. Of these, 456 patients were documented as having OSA. Few adverse respiratory effects were reported. Eight out of 700 (1.14%) patients undergoing middle ear surgery with midazolam and fentanyl had impaired upper airway patency and were retrospectively diagnosed as having OSA by polysomnography. Also, intraoperative snoring causing uvular edema in the postoperative period was described in an OSA patient undergoing upper limb surgery when propofol was administered with midazolam and fentanyl for sedation. A decrease in oxygen saturation in the postoperative period was described with propofol and isoflurane in 21 OSA patients undergoing uvulo-palato-pharyngoplasty and tonsillectomy surgery (P<0.05). Perioperative alpha 2 agonists were shown to decrease the use of anesthetics (P<0.05), analgesics (P=0.008) and anti-hypertensives (P<0.001) in OSA patients. Contradictory reports regarding emergence occurred with intraoperative dexmedetomidine. Intraoperative opioids decreased the analgesic consumption (P=0.03) and pain scores (P<0.05) in the postoperative period. There was limited data on the length of hospital stay. There were few adverse effects reported when patients with known OSA underwent elective surgery with the currently available sedatives and anesthetics. Adverse events were reported with midazolam. However, the quality and number of patients in the studies were limited. There is a need for further trials with large numbers and uniform reporting of outcomes.
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How this classification was reachedexpand
Full frame distilled prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. Learned from the 10,348 direct Codex labels and 10,348 direct Gemma labels. Candidate is the union of thresholded teacher heads; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels or direct frontier model labels.
Codex and Gemma teacher scores by category
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.002 | 0.004 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.008 | 0.001 |
| Bibliometrics | 0.000 | 0.001 |
| Science and technology studies | 0.000 | 0.002 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.001 | 0.000 |
| Research integrity | 0.001 | 0.002 |
| Insufficient payload (model declined to judge) | 0.000 | 0.000 |
Machine scores (provisional)
The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.
Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.
score_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from itClassification
machine, unvalidatedMachine predicted; a candidate call from one teacher head, not a consensus.
How this classification was reached, model by model and score by score, is at the end of the page under "How this classification was reached".