The Comparison of Two Different Methods of Partial Inflation of Cuff for Facile Insertion of Laryngeal Mask Airway in Pediatric Patients

NCT ID: NCT01435239

Last Updated: 2014-03-06

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

COMPLETED

Clinical Phase

NA

Total Enrollment

78 participants

Study Classification

INTERVENTIONAL

Study Start Date

2011-09-30

Study Completion Date

2012-06-30

Brief Summary

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Partial cuff inflation before insertion is generally used for laryngeal mask airway insertion in children. However, it is not proven how much the cuff should be inflated. The aim of this study is to compare efficacy between the method using the resting volume and the method using half the maximum volume for partial cuff inflation.

Detailed Description

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Conditions

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Surgical Complications From General Anesthesia

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Blinding Strategy

DOUBLE

Participants Investigators

Study Groups

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resting volume group

Group Type EXPERIMENTAL

The cuff inflation by the resting volume

Intervention Type DEVICE

80 patients are randomly allocated into two groups : resting volume group (n=40), half the maximum volume group (n=40). In the resting volume group, the pilot balloon valve is connected to syringe without piston for keeping the valve open to the atmosphere and allowing the pressure within the cuff of LMA to equalize with atmospheric pressure. In the half the maximum volume group, the cuff of LMA is completely emptied and then the cuff is filled with the half the maximum volume.

maximum volume group

Group Type ACTIVE_COMPARATOR

The cuff inflation by the maximum volume

Intervention Type DEVICE

80 patients are randomly allocated into two groups : resting volume group (n=40), half the maximum volume group (n=40). In the resting volume group, the pilot balloon valve is connected to syringe without piston for keeping the valve open to the atmosphere and allowing the pressure within the cuff of LMA to equalize with atmospheric pressure. In the half the maximum volume group, the cuff of LMA is completely emptied and then the cuff is filled with the half the maximum volume.

Interventions

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The cuff inflation by the resting volume

80 patients are randomly allocated into two groups : resting volume group (n=40), half the maximum volume group (n=40). In the resting volume group, the pilot balloon valve is connected to syringe without piston for keeping the valve open to the atmosphere and allowing the pressure within the cuff of LMA to equalize with atmospheric pressure. In the half the maximum volume group, the cuff of LMA is completely emptied and then the cuff is filled with the half the maximum volume.

Intervention Type DEVICE

The cuff inflation by the maximum volume

80 patients are randomly allocated into two groups : resting volume group (n=40), half the maximum volume group (n=40). In the resting volume group, the pilot balloon valve is connected to syringe without piston for keeping the valve open to the atmosphere and allowing the pressure within the cuff of LMA to equalize with atmospheric pressure. In the half the maximum volume group, the cuff of LMA is completely emptied and then the cuff is filled with the half the maximum volume.

Intervention Type DEVICE

Eligibility Criteria

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Inclusion Criteria

* children (0-9 years of age)
* children who is scheduled for elective surgery of short duration (less than 2 hr) undergoing general anesthesia using LMA-classic

Exclusion Criteria

* patients with an abnormal airway
* patients with reactive airway disease
* patients with gastroesophageal reflux disease
* patients with chronic respiratory disease
* patients who has a history of an upper respiratory tract infection in the preceding 6-week period
Maximum Eligible Age

9 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No

Sponsors

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Yonsei University

OTHER

Sponsor Role lead

Responsible Party

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Jeong-Rim LEE

Assistant Professor

Responsibility Role PRINCIPAL_INVESTIGATOR

Locations

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Severance Hospital

Seoul, Seoul, South Korea

Site Status

Countries

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South Korea

References

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Wallace CJ, Chambers NA, Erb TO, von Ungern-Sternberg BS. Pressure volume curves of paediatric laryngeal mask airways. Anaesthesia. 2009 May;64(5):527-31. doi: 10.1111/j.1365-2044.2008.05819.x.

Reference Type BACKGROUND
PMID: 19413823 (View on PubMed)

Other Identifiers

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1-2011-0046

Identifier Type: -

Identifier Source: org_study_id

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