Temperature and Humidity Among Different Anesthesia Work-station

NCT ID: NCT01193465

Last Updated: 2010-09-02

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

UNKNOWN

Clinical Phase

PHASE4

Total Enrollment

60 participants

Study Classification

INTERVENTIONAL

Study Start Date

2010-01-31

Study Completion Date

2010-10-31

Brief Summary

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The effects of preserving humidity and temperature by low flow anesthesia are different in each other anesthesia workstation.

Detailed Description

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The fresh gas flow(FGF) is dry and cold in old fashioned anesthesia machine, especially at high folw (above 1 L/min). To the contrary, it has been assumed that the heat and humidity of FGF may be preserved using low FGF (below 1 L/min) during anesthesia or new anesthesia work station. However, it has not been proved yet. We hypothesized that the heat and moisture of FGF may be different in various FGF rate during anesthesia. In addition, it may be different in accordance to anesthesia work station. Therefore, we planed prospective observational study that will demonstrate that the difference of heat and moisture of FGF in different anesthesia work station (Excel; 1st generation anesthesia machine of Datex-Ohmeda Corp., Avance; 2nd generation anesthesia work station of Datex-Ohmeda Corp., Cato; 2nd generation generation anesthesia work station of Drager, Primus; 3rd generation generation anesthesia work station of Drager) and different FGF (0.5, 1, 4 L/min)

Conditions

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Humidity Temperature

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

SINGLE_GROUP

Primary Study Purpose

HEALTH_SERVICES_RESEARCH

Blinding Strategy

NONE

Study Groups

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humidity

Group Type EXPERIMENTAL

Datex Ohmeda excel anesthesia machine

Intervention Type DEVICE

maintain one of following fresh gas flow, 1 or 4 L/min (nitrous oxide:oxygen =1:1) during 2 hour with using Datex Ohmeda excel anesthesia machine after draping complete

Datex Ohmeda Avance anesthesia work-station

Intervention Type DEVICE

maintain one of following fresh gas flow, 0.5 or 1 or 4 L/min (nitrous oxide:oxygen =1:1) during 2 hour with using Datex Ohmeda Avance anesthesia machine after draping complete

Drager Cato anesthesia work-station

Intervention Type DEVICE

maintain one of following fresh gas flow, 0.5 or 1 or 4 L/min (nitrous oxide:oxygen =1:1) during 2 hour with using Drager Cato anesthesia work-station after draping complete

Drager Primus anesthesia work-station

Intervention Type DEVICE

maintain one of following fresh gas flow, 0.5 or 1 or 4 L/min (nitrous oxide:oxygen =1:1) during 2 hour with using Drager Primus anesthesia work-station after draping complete

Interventions

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Datex Ohmeda excel anesthesia machine

maintain one of following fresh gas flow, 1 or 4 L/min (nitrous oxide:oxygen =1:1) during 2 hour with using Datex Ohmeda excel anesthesia machine after draping complete

Intervention Type DEVICE

Datex Ohmeda Avance anesthesia work-station

maintain one of following fresh gas flow, 0.5 or 1 or 4 L/min (nitrous oxide:oxygen =1:1) during 2 hour with using Datex Ohmeda Avance anesthesia machine after draping complete

Intervention Type DEVICE

Drager Cato anesthesia work-station

maintain one of following fresh gas flow, 0.5 or 1 or 4 L/min (nitrous oxide:oxygen =1:1) during 2 hour with using Drager Cato anesthesia work-station after draping complete

Intervention Type DEVICE

Drager Primus anesthesia work-station

maintain one of following fresh gas flow, 0.5 or 1 or 4 L/min (nitrous oxide:oxygen =1:1) during 2 hour with using Drager Primus anesthesia work-station after draping complete

Intervention Type DEVICE

Other Intervention Names

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Excel Avance Cato Primus

Eligibility Criteria

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Inclusion Criteria

* patients who planned more than 2 hour operation under general anesthesia
* ASA class 1,2
* blood loss less than 500ml

Exclusion Criteria

* acute/chronic cardiac or respiratory disease
Minimum Eligible Age

18 Years

Maximum Eligible Age

70 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No

Sponsors

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Korea University Anam Hospital

OTHER

Sponsor Role lead

Responsible Party

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Department of anesthesiology and pain medicine Korea University Anam Hospital

Principal Investigators

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Seung Zhoo Yoon, Assist. P.

Role: PRINCIPAL_INVESTIGATOR

Korea University Anam Hospital

Locations

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Korea University Anam Hospital

Seoul, , South Korea

Site Status RECRUITING

Countries

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South Korea

Central Contacts

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Seung Zhoo Yoon, Assist. P.

Role: CONTACT

082-920-5632

Sam Hong Min, Clin. I.

Role: CONTACT

082-920-5632

Facility Contacts

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Seung Zhoo Yoon, Assist. P.

Role: primary

082-920-5632

Sam Hong Min, Clin. Inst.

Role: backup

082-920-5632

Other Identifiers

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humidity

Identifier Type: -

Identifier Source: org_study_id

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