Head Positions to Open the Airway IV

Not Applicable

Completed

• Conditions: Cardiac or Respiratory Arrest, Anaesthesia
• Interventions: Procedure: head extension; Procedure: neutral position; Procedure: anaesthesiologist´s position

• Registration Number: NCT01909310
• Lead Sponsor: Medical University Innsbruck

Brief Summary

After routine induction of general anaesthesia peak airway pressure (= P max) and other respiratory parameters(i.e. expiratory tidal volume, expiratory CO2) are measured with and without head support in three different head positions: neutral position, reclination of the head, a position deemed ideal by the anaesthesist; primary study goal is pmax depending on different head positions;

Detailed Description

Not available

Study Timeline

• Study First Submitted: 2013-07-24
• Study First Submitted QC: 2013-07-25
• Study First Posted: 2013-07-26
• Study Start: 2013-09
• Primary Completion: 2014-04
• Study Completion: 2015-04-01
• Status Verified: 2017-03
• Last Update Submitted: 2017-03-21
• Last Update Posted: 2017-03-23

Recruitment & Eligibility

• Status: COMPLETED
• Sex: All
• Target Recruitment: 80

Inclusion Criteria

• male and female patients ≥ 18 years
• elective operations in general anaesthesia
• patient´s written informed consent
• American Society of Anesthesiology scale I-III

Exclusion Criteria

• non fasting patient
• body mass index > 35 kg/m2
• anamnestic cervical spine pathologies or other peripheral neurological deficiences due to pathologies of the cervical spine
• malformations of the head or upper airway
• history of perforation of stomach or esophagus
• anamnestic hiatus hernia or reflux
• acute respiratory infection or obstructive airway disease

Study & Design

• Study Type: INTERVENTIONAL
• Study Design: PARALLEL

Arm && Interventions

Group	Intervention	Description
without head support	anaesthesiologist´s position	patients are ventilated without head support
with head support	neutral position	patients are ventilated with their heads positioned on a support
with head support	anaesthesiologist´s position	patients are ventilated with their heads positioned on a support
with head support	head extension	patients are ventilated with their heads positioned on a support
without head support	head extension	patients are ventilated without head support
without head support	neutral position	patients are ventilated without head support

Primary Outcome Measures

Name	Time	Method
Peak airway pressure	peak airway pressure is measured over one minute

Trial Locations

Locations (1)

Klinik für Anästhesie und Allgemeine Intensivmedizin, Medizinische Universität Innsbruck, Anichstraße 35; 🇦🇹 Innsbruck, Austria