Perioperative medicine & outcomes
Intraoperative hypotension in ambulatory surgery centers
Authors' conclusion
There was substantial occurrence of IOH in ASCs, similar to that described in academic hospital settings in previous literature.
Study context
- Population
- Patients having non-emergent, non-cardiac surgery in 20 ambulatory surgery centers; ASA physical status 2 through 4
- Participants
- 16,750 patients · 20 ambulatory surgery centers (ASCs)
- Outcome
- IOH (MAP <65 mmHg for at least 15 min)
Methodological detailsmulticentre
- Multicentre
Main finding
As reported in the abstract
ASC cases with mean arterial pressure (MAP) <65 mmHg for at least 15 min
30.9%
Observational data: associations, not effects.
Further findings
IOH incidence by patient characteristics
- Younger adults (age 18-39)
- 36.2%
- Females
- 35.2%
- ASA physical status 2
- 32.8%
- Incidence of IOH varied significantly
IOH incidence by procedure complexity
- Low complexity
- 30.6%
- Moderate complexity
- 28.8%
- High complexity
- 44.1%
IOH by surgery length
- IOH increased with increasing surgery length, even when time-weighted
Parts of this Brief are withheld: the automatic checks could not confirm them against the abstract.
Original publication
Intraoperative hypotension in ambulatory surgery centers. J Clin Anesth. Published 14 July 2023. doi:10.
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