An Innovative Approach for Uniblocker Intubation

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

NA

Total Enrollment

90 participants

Study Classification

INTERVENTIONAL

Study Start Date

2018-01-07

Study Completion Date

2018-06-30

Brief Summary

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To measure the distance between the upper edge of the thyroid cartilage to the upper edge of the sternum add the distance from the upper edge of the sternum to the carina was calculated according to the chest CT scans as a guide to the placement of Uniblocker without the aid of FOB.

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Detailed Description

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In previous study, the investigators found Chest computed tomography (CT) image can accurately predicting the optimal insertion depth of Uniblocker,however in some hospital the CT scan performed for the preoperative surgical evaluation without the vocal cords slices. If a more extensive CT scan was needed for obtaining a more reliable image of the vocal cords,the additional exposure dose would be a major disadvantage of the method.So the investigators measure the distance between the upper edge of the thyroid cartilage to the upper edge of the sternum add the distance from the upper edge of the sternum to the carina calculated according to the chest CT scans as a guide to the placement of Uniblocker without the aid of FOB.

Conditions

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Therapeutic Procedural Complication

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

FACTORIAL

Primary Study Purpose

OTHER

Blinding Strategy

TRIPLE

Participants Investigators Outcome Assessors

Study Groups

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formula

Calculate the depth of intubation according to the formula of 0.1977\* patient's height - 4.2423

Group Type EXPERIMENTAL

formula

Intervention Type OTHER

Calculate the depth of intubation according to the formula of 0.1977\* patient's height - 4.2423

Fiberoptic bronchoscope

intubation of Uniblocker under the Under the guidance of Fiberoptic bronchoscope

Group Type EXPERIMENTAL

Fiberoptic bronchoscope

Intervention Type DEVICE

The intubation of Uniblocker under the guidance of Fiberoptic bronchoscope

The measured distance

To measure the distance between the upper edge of the thyroid cartilage to the upper edge of the sternum add the distance from the upper edge of the sternum to the carina calculated according to the chest CT scans as a guide to the placement of Uniblocker without the aid of FOB.

Group Type EXPERIMENTAL

The measured distance

Intervention Type OTHER

To measure the distance between the upper edge of the thyroid cartilage to the upper edge of the sternum add the distance from the upper edge of the sternum to the carina calculated according to the chest CT scans as a guide to the placement of Uniblocker without the aid of Fiberoptic bronchoscope.

Interventions

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The measured distance

To measure the distance between the upper edge of the thyroid cartilage to the upper edge of the sternum add the distance from the upper edge of the sternum to the carina calculated according to the chest CT scans as a guide to the placement of Uniblocker without the aid of Fiberoptic bronchoscope.

Intervention Type OTHER

formula

Calculate the depth of intubation according to the formula of 0.1977\* patient's height - 4.2423

Intervention Type OTHER

Fiberoptic bronchoscope

The intubation of Uniblocker under the guidance of Fiberoptic bronchoscope

Intervention Type DEVICE

Eligibility Criteria

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Inclusion Criteria

1. Adult patients undergoing left side thoracic surgery
2. The thoracic surgery requiring a Uniblocker for one-lung ventilation

Exclusion Criteria

1. Age\>70 or \<18 years
2. ASA classifications \>III
3. BMI \>35kg/m2
4. Modified Mallampati classification ≥III
5. Thoracic surgery within the last one month
6. Severe cardiopulmonary disease

Minimum Eligible Age

18 Years

Maximum Eligible Age

70 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No