Comparison of two different strategies to control the intra-cuff pressure during laryngeal mask anaesthesia - digital palpation technique versus continuous cuff pressure measurement

Not Applicable

• Conditions: The participants of the study will be recruited consecutively from patients undergoing elective surgery under general anesthesia using a laryngeal mask. Medical specialities: surgery, orthopedic surgery, gynecology, plastic surgery

• Registration Number: DRKS00008719
• Lead Sponsor: Park-Klinik WeissenseeAbteilung Anästhesiologie Intensivmedizin

Brief Summary

Not available

Detailed Description

Not available

Study Timeline

• Study Start: 2015-07-03
• Last Update Posted: 19 August 2024

Recruitment & Eligibility

• Status: Pending
• Sex: All
• Target Recruitment: 180

Inclusion Criteria

Patients undergoing elective surgery under laryngeal mask anaesthesia
Minimum age of 18 years
ASA-classification I-III
Good knowledge of German for understanding

Exclusion Criteria

Lack of willingness to accept storage and transfer of pseudonymised health data
Emergency surgery
Pregnancy
Inoperable regarding the ASA-classification
All operation procedures not suited for laryngeal mask anaesthesia
Lack of an informed consent
Age under 18 years
Participation in an other study during the last three month
Mental disorders

Study & Design

• Study Type: interventional
• Study Design: Not specified

Primary Outcome Measures

Name	Time	Method
Frequency and severity of sore throats (acquired by postoperative questionnaire)<br>Modified external quality assurance questionnaire EQS Hamburg for anesthesia. The survey will be conducted on the discharge day of the patients.

Secondary Outcome Measures

Name	Time	Method
Frequency and severity of hoarseness (p.o. questionnaire, Modified and evaluated Hamburg EQS-questionnaire, conducted on discharge day)<br>Frequency and severity of dysphagia (p.o. questionnaire, Modified and evaluated Hamburg EQS-questionnaire, conducted on discharge day)<br>Duration of afflictions (p.o. questionnaire)<br><br>Quality of airway (intraoperative evaluation, 10 minutes after induction of anesthesia)<br>Inflated air volume (postoperative evaluation, at the end of operation procedure)<br>Maximum cuff pressure (postoperative evaluation, at the end of operation procedure)<br>Accordance between measured and estimated value (postoperative evaluation, at the end of operation procedurs).<br><br>All measurements as well as documentation will be performed by an independent investigator<br><br>