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[Reliability in detection of tracheal intubation using cricoid palpation method]
Maiko Ishigaki1, Shinji Takahashi, Makoto Tanaka
1Department of Anesthesia, Tsukuba University Hospital, Tsukuba 305-0005.
Masui. the Japanese Journal of Anesthesiology
|March 10, 2011
Summary
Cricoid palpation methods (CPM) are unreliable for confirming tracheal intubation, with low specificity for esophageal intubation. Relying on CPM alone is not recommended; multiple confirmation methods are essential for patient safety.
Area of Science:
- Anesthesiology
- Patient Safety
- Airway Management
Context:
- Unrecognized esophageal intubation is a major cause of anesthetic complications.
- Existing methods for confirming tracheal tube placement are often unreliable.
- Cricoid palpation offers a potential method for detecting esophageal intubation.
Purpose:
- To evaluate the reliability of cricoid palpation methods (CPM) in detecting tracheal versus esophageal intubation.
- To assess the sensitivity and specificity of CPM for confirming endotracheal tube placement.
Summary:
- This study assessed CPM in 312 patients undergoing tracheal intubation.
- CPM demonstrated 88% sensitivity but only 42% specificity for esophageal intubation.
- Positive and negative predictive values were 95% and 23%, respectively; higher BMI reduced sensitivity.
Impact:
- CPM alone is insufficient for accurate tracheal tube placement confirmation.
- The findings underscore the need for using multiple methods to ensure correct tube placement.
- This research informs clinical practice to improve patient safety during anesthesia.
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