Cricoid pressure displaces the esophagus: An observational study using magnetic resonance imaging

• Published in: Anesthesiology (Philadelphia) Vol. 99; no. 1; pp. 60 - 64
• Main Authors: SMITH, Kevin J, DOBRANOWSKI, Julian, YIP, Gordon, DAUPHIN, Alezandre, CHOI, Peter T-L
• Format: Journal Article
• Language: English
• Published: Hagerstown, MD Lippincott 01.07.2003
• Subjects: Adult; Anesthesia; Anesthesia. Intensive care medicine. Transfusions. Cell therapy and gene therapy; Biological and medical sciences; Cricoid Cartilage - anatomy & histology; Cricoid Cartilage - physiology; Esophagus - anatomy & histology; Esophagus - physiology; Female; General anesthesia. Technics. Complications. Neuromuscular blocking. Premedication. Surgical preparation. Sedation; Humans; Magnetic Resonance Imaging; Male; Medical sciences; Observer Variation; Pressure; Reference Values; Human; Cricoid cartilage; Healthy subject; Medical imagery; Anatomy; Nuclear magnetic resonance imaging; Pressure; Esophagus

Cricoid pressure (CP) is often used during general anesthesia induction to prevent passive regurgitation of gastric contents. The authors used magnetic resonance imaging to determine the anatomic relationship between the esophagus and the cricoid cartilage ("cricoid") with and without CP....