The need for repeat sedation and the occurrence of respiratory complications are separate outcomes.
What the supplied source reports
The retrospective study included 7,973 behavioral-emergency patients from 1,031 US EMS agencies. Serious events were uncommon overall. Ketamine recipients had more invasive airway placements and severe oxygen desaturation than benzodiazepine recipients, but were less likely to require additional sedation. Propensity matching did not materially change the comparisons.
Limits and uncertainty
Medication choice was not randomized. Agencies were not a random national sample, and unmeasured severity or practice preferences may remain. A recorded airway intervention can reflect both physiological need and clinical decision-making.
Implications for forensic review
For an EMS event, reconstruct baseline agitation, co-intoxicants, vital signs, dose, restraint and intervention timing. Do not infer the safest option from one endpoint. The cohort supports monitoring and a careful comparative discussion, but cannot determine which drug would have produced a better outcome for a particular patient.
Source and related reading
Source reviewed: Adverse events following emergent prehospital sedation of patients with behavioral emergencies A ret (PMC9904026). Forensic applications above are interpretive analysis of the supplied publication.
Related reading: Dementia Dental Sedation Included Airway Events Despite Reduced Doses.
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