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Improved Patient Recovery After Anesthesia With Hypercapnia Hyperpnoea

NCT00708526 · Status: COMPLETED · Phase: NA · Type: INTERVENTIONAL · Enrollment: 22

Last updated 2022-11-29

Study results available
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Summary

The proposed study will measure the time from the end of surgery until the time patients meet the discharge criteria from the postoperative anesthesia care unit and the time from the end of surgery until the patients regained cognitive function after anesthesia.

Conditions

  • Hypercapnia

Interventions

OTHER

standard of care for phase one anesthesia care

Patients received intravenous fentanyl at the discretion of the attending anesthesiologist. Anesthesia was induced with a remifentanil infusion, lidocaine, propofol, and rocuronium or succinylcholine at the anesthesiologist's discretion. Maintenance anesthesia was 6% end tidal desflurane with oxygen flows of 2 L/min (though clinicians could deviate from this at their discretion). Clinicians were directed to maintain blood pressure at ±20% of baseline. A baseline remifentanil infusion was used throughout each case, and both remifentanil and fentanyl were titrated at the anesthesiologist's discretion. Ventilation was adjusted to maintain an end tidal carbon dioxide concentration (EtCO2) of 35 mmHg. Ondansetron 4 mg was given prophylactically before the end of surgery.

DEVICE

Quick Emergence Device

The Quick Emergence Device is placed between the endotracheal tube and the anesthesia breathing circuit to enable hypercapnia when ventilation is increased. The end-tidal gas sampling line is connected between the device and the endotracheal tube connector. Minute ventilation is doubled and the EtCO2 is elevated to approximately 48 mmHg from the previous maintenance level of 35 mmHg.

Sponsors & Collaborators

Principal Investigators

  • Dwayne Westenskow · University of Utah

Study Design

Allocation
RANDOMIZED
Purpose
HEALTH_SERVICES_RESEARCH
Masking
SINGLE
Model
PARALLEL

Eligibility

Min Age
18 Years
Sex
ALL
Healthy Volunteers
No

Timeline & Regulatory

Start
2008-03-31
Primary Completion
2008-11-30
Completion
2008-11-30

Countries

  • United States

Study Locations

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Entities

Companies

Read the full study record

This page highlights key information. For complete eligibility criteria, study locations, investigator contacts, and the full protocol, visit the original record on ClinicalTrials.gov.

View NCT00708526 on ClinicalTrials.gov