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Published on: October 16, 2013
Modeling anesthetic times. Predictors and implications for short-term outcomes
Panagiotis Kougias1, Vikram Tiwari, Neal R Barshes
1Michael E. DeBakey Department of Surgery, Baylor College of Medicine, Houston, Texas. pkougias@bcm.edu
The Journal of Surgical Research
|November 20, 2012
Summary
Anesthetic and operative times do not significantly impact patient outcomes after vascular surgery. Predictors of anesthetic induction and recovery times were identified, but these durations did not correlate with perioperative complications.
Area of Science:
- Anesthesiology
- Perioperative Medicine
- Surgical Outcomes
Background:
- Predictors of anesthetic times and their impact on patient outcomes are not well understood.
- Vascular surgical interventions involve complex anesthetic management.
- Patient outcomes following surgery are influenced by various factors, including anesthetic and operative durations.
Purpose of the Study:
- To identify predictors of anesthetic induction and recovery times in elective vascular surgery.
- To investigate the impact of anesthetic and operative times on perioperative morbidity and mortality.
Main Methods:
- 1713 patients undergoing elective vascular surgery were analyzed.
- Operative case length, anesthetic induction, and recovery times were documented.
- Multivariate regression models assessed predictors and outcomes, including a composite endpoint of 30-day mortality and major morbidities.
Main Results:
- Body mass index, anesthesia type, and procedure type predicted anesthetic induction time.
- Operative case length, procedure type, and anesthesia type predicted anesthetic recovery time.
- Anesthetic times did not show a statistically significant association with the composite perioperative endpoint. Operative time showed a non-significant trend towards increased risk.
Conclusions:
- Modeling anesthetic induction and recovery times based on procedure characteristics is feasible.
- Anesthetic and operative times were not found to significantly impact perioperative morbidity and mortality in this cohort.
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