Airway Manoeuvers - Implications for Airway Management?

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

Total Enrollment

200 participants

Study Classification

OBSERVATIONAL

Study Start Date

2011-06-30

Study Completion Date

2011-07-31

Brief Summary

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In anesthesia, intubation is a technique used to secure an airway. This technique is not always straightforward. Sometimes it is difficult to place an endotracheal tube. There are two manners of giving pressure to the patients neck, to improve view and facilitate intubation.

The investigators hypothesize that by giving this pressure the effective work area is likely to be smaller. The investigators would like to quantify this effect by measuring the effective work area, using a specially designed computer program.

Detailed Description

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Cricoid pressure (CP) and the backward-upward-rightward pressure (BURP) manoeuver, are extralaryngeal manoeuvers which are widely applied during endotracheal intubation, respectively offering potential protection against passive gastric regurgitation and improved laryngeal view in emergency airway management.

Their validity in achieving an improvement of the laryngeal view has been questioned.

The objective of this study is to measure the change in mean anterior-posterior rima glottidis (APRIMA) distance and mean area under the vocal cords after backward upward rightward pressure (BURP) and cricoid pressure (CP).

The investigators will measure the APRIMA distances and areas under the vocal cords, using a specially created module in the program DeVIDE. The measurements assessed during BURP and CP will be expressed relative to the measurements when no external pressure is applied.

Conditions

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Airway Management

Keywords

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cricoid pressure (CP) backward upward rightward pressure (BURP) AP-rima distances Glottic area Extralaryngeal manoeuvres

Eligibility Criteria

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Inclusion Criteria

\- 200 consecutive adult patients scheduled for elective surgery requiring endotracheal intubation

Exclusion Criteria

* BMI \> 35 kg.m-2);
* chronic obstructive pulmonary disease;
* history of difficult intubation;
* mouth opening \< 3 cm;
* inadequate neck mobility;
* history of oropharyngeal pathology.

Minimum Eligible Age

18 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No

Responsible Party

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Ralph Maassen

MD, principal investigator

Responsibility Role PRINCIPAL_INVESTIGATOR

Locations

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Catharina Hospital

Eindhoven, , Netherlands

Site Status

Countries

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Netherlands

Other Identifiers

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2011-06

Identifier Type: -

Identifier Source: org_study_id