Optimal Depth for Esophageal Stethoscope

Not Applicable

Active, not recruiting

• Conditions: Surgery

• Registration Number: NCT05552092
• Lead Sponsor: Chosun University Hospital

Brief Summary

Not available

Detailed Description

Not available

Study Timeline

• Study Start: 2022-9-14
• Last Update Posted: 2 September 2024

Recruitment & Eligibility

• Status: Active, not recruiting
• Sex: All
• Target Recruitment: Not specified

Inclusion Criteria

Inclusion Criteria:<br><br> - The patients with ASA class 1-2 (20-65 years old) who are undergoing elective<br> surgery with supine or lithotomy position, without position change scheduled to last<br> more than 90 min.<br><br>Exclusion Criteria:<br><br> - anatomical abnormality with the upper airway<br><br> - risks of a difficult airway<br><br> - abnormal central anatomical structures such as airway, diaphragm, or spine on the<br> chest X-ray<br><br> - history of disease or surgery on the stomach or esophagus<br><br> - risks of bleeding or coagulopathy on the preoperative laboratory results<br><br> - obese patients with BMI over 30<br><br> - contraindication to insertion of ES for the surgery<br><br> - who did not take a standing chest PA X-ray before surgery<br><br> - position change during the surgery<br><br> - open chest surgery

Exclusion Criteria

Not provided

Study & Design

• Study Type: Interventional
• Study Design: Not specified

Primary Outcome Measures

Name	Time	Method
Desired insertion depth of ES thermistor

Secondary Outcome Measures

Name	Time	Method
Correlation analysis;Optimal depth analysis