Lin Chung Er Bi Yan Hou Tou Jing Wai Ke Za Zhi 2021 Dec;35(12):1097-1100
Department of Otolaryngology Head and Neck Surgery，Beijing Tongren Hospital，Capital Medical University，Beijing Key Laboratory of Nasal Diseases，Beijing Institute of Otolaryngology，Beijing，100730，China.
Establish a correlation model with the true position of the foreign body in the esophageal foreign body surgery using the relevant diameter of the esophageal foreign body computed tomography（CT）. Thirty-three patients who were diagnosed with esophageal foreign bodies by esophageal CT in the emergency department of the Department of Otolaryngology Head and Neck Surgery, Beijing Tongren Hospital, Capital Medical University, were selected to measure the CT-related diameters of the esophageal tube（airway length, hyoid anterior edge-mandibular distance, incisor extension line-Posterior nasal ridge, distance from foreign body to hard jaw, distance from foreign body to incisor, front and back nasal crest line-spine line included angle, front and back nasal crest line and airway length line included angle, the lowest point of mandible-highest point of hyoid bone-and Spine angle）, record the height and weight of the patient and calculate the body mass index（BMI）. During the operation, the patient's head is fully tilted back, and the rigid esophagus is inserted through the mouth, and the front end of the esophagus is recorded when it touches a foreign body. Read More