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Effect of Fresh Gas Flow on Emergence Time

Effect of Fresh Gas Flow on Emergence Time in the Patients Undergoing Transurethral Resection of Bladder Tumor: A Randomized Controlled Clinical Trial

Status
Completed
Phases
NA
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT05376631
Enrollment
54
Registered
2022-05-17
Start date
2022-05-20
Completion date
2022-08-17
Last updated
2022-08-18

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Bladder Cancer

Brief summary

The purpose of this study is to evaluate the effect of fresh gas flow on emergence time in patients undergoing transurethral resection of bladder tumor.

Detailed description

The purpose of this study is to evaluate the effect of fresh gas flow (5 L/min vs. 10 L/min) on emergence time in patients undergoing transurethral resection of bladder tumor.

Interventions

PROCEDUREFresh gas flow of 5 L/min

A fresh gas flow of 5 L/min is used during emergence from general anesthesia.

PROCEDUREFresh gas flow of 10 L/min

A fresh gas flow of 10 L/min is used during emergence from general anesthesia.

Sponsors

Asan Medical Center
Lead SponsorOTHER

Study design

Allocation
RANDOMIZED
Intervention model
PARALLEL
Primary purpose
OTHER
Masking
SINGLE (Subject)

Eligibility

Sex/Gender
ALL
Age
20 Years to 79 Years
Healthy volunteers
No

Inclusion criteria

* Patients who are scheduled transurethral resection of bladder tumor under general anesthesia * Patients aged between 20 and 79 years old * American Society of Anesthesiologists physical status ≤2 * Patients who are voluntarily agreed to this clinical study

Exclusion criteria

* A long operation (2 hours or longer) * Hearing disturbance * Cognitive disorder * Psychiatric substance abuse * Patient's denial

Design outcomes

Primary

MeasureTime frameDescription
Emergence timeFrom end of surgery to extubation (assessed up to 30 minutes after surgery)When consciousness and self respiration are fully recovered after surgery is ended, extubation is tried. The time to extubation (emergence time) is recorded.

Secondary

MeasureTime frameDescription
Time to spontaneous movementFrom end of surgery to spontaneous movement (assessed up to 30 minutes after surgery)After surgery is stopped, the patients are asked to open their eyes every 1 minute after the termination of sevoflurane administration. The time to spontaneous movement is recorded.
Time to eye openingFrom end of surgery to eye opening (assessed up to 30 minutes after surgery)After surgery is stopped, the patients are asked to open their eyes every 1 minute after the termination of sevoflurane administration. The time to eye opening is recorded.

Countries

South Korea

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 8, 2026