Читать книгу Small Animal Surgical Emergencies - Группа авторов - Страница 157

The fluoroscopic technique is similar to the endoscopic method. Unsheathed forceps are advanced cautiously, with the animal's neck fully extended. Slight resistance is encountered at the thoracic inlet. The forceps are swept repeatedly alongside the foreign body to disengage it from the esophageal wall before grasping and gently withdrawing the foreign body. Theoretically, there is a greater risk of puncture of the esophagus by the foreign body during retrieval with this method. On rare occasions, esophageal puncture may be associated with aortic wall disruption and catastrophic hemorrhage, aortoesophageal fistula formation, or tracheobronchial puncture leading to acute respiratory complications or esophagobronchial fistula formation at a later stage [10–12]. Some resistance is met as the object passes the proximal cervical esophagus where it is constrained by the cricopharyngeus muscle, potentially necessitating temporary endotracheal extubation to complete retrieval.