Fiberoptic Evaluation of the LMA(Laryngel Mask Airway) Position During Anesthesia With Spontaneous Respiration or Controlled Ventilation in Children

Status

Completed

Phases

Unknown

Study type

Observational

Source

ClinicalTrials.gov

Registry ID

NCT02220075

Enrollment

100

Registered

2014-08-19

Start date

2015-03-04

Completion date

2015-04-03

Last updated

2019-03-26

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

Conditions

Pediatric Urologic Surgery

Keywords

fiberoptic, LMA, caudal block

Brief summary

LMA(Laryngel Mask Airway) is useful for pediatrics surgery, and there are various methods of LMA insertion. When the investigators evaluate the LMA position, the investigators can use fiberoptic bronchoscope (Grade 1 to 4). For pediatric patients, clinical signs(airway pressure\<20cmH2O, expiratory CO2 level)are seen normal but the grade is 3 or 4. And this will bring high risk of aspiration. Recent studies reported the LMA position after general anesthesia induction not after operation. Therefore, the investigators will observe the LMA position three times; after general anesthesia induction, after caudal block, and after operation as well as the difference regarding to spontaneous and controlled ventilation.

Interventions

None listed

Study design

Observational model

OTHER

Time perspective

PROSPECTIVE

Eligibility

Sex/Gender

ALL

Age

1 Months to 7 Years

Healthy volunteers

Inclusion criteria

1. ASA physical status 1 or 2, 2. pediatric patients from 1month to 7 years old 3. under general anesthesia using LMA 4. getting informed consent from the guardian

Exclusion criteria

1. difficult airway 2. airway diseases ; URI, asthma, pneumonia 3. not getting informed consent from the guardian

Design outcomes

Primary

Measure	Time frame
sucess rate of LMA insertion	1 hour

Secondary

Measure	Time frame	Description
FOB(fiberoptic bronchoscope) grading of LMA position	1 hour	Grade 1: only the larynx visible, Grade 2: larynz and epiglottis visible, Grade 3: epiglottis was impinging on the LMA grille, Grade 4: epiglottis was downfolded and the larynx could not be seen)

Countries

South Korea

Outcome results