Journal
DIGESTIVE DISEASES AND SCIENCES
Volume 66, Issue 4, Pages 1285-1290Publisher
SPRINGER
DOI: 10.1007/s10620-020-06360-w
Keywords
Endoscopic retrograde cholangiopancreatography (ERCP); Intubation; Endotracheal intubation; Airway; Monitored anesthesia care; General anesthesia
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The novel endoscopist-driven approach of using an ultra-slim, flexible gastroscope for intubation during ERCP is feasible and expeditious for conversion from monitored anesthesia care to general anesthesia. This method allows for intubation in the semi-prone position, avoiding the delays and risks associated with standard intubation requiring patient repositioning. Further study of this approach is warranted, as it may be the most favorable option for intubation during ERCP.
Background ERCP is often performed under monitored anesthesia care (MAC) rather than general anesthesia (GA), with patients positioned semi-prone on the fluoroscopy table. Rarely, a MAC ERCP must be converted to GA due to hypoxia or retained food in the stomach. In these circumstances, standard intubation is associated with a significant delay and potential for patient/staff injury during repositioning. We report a novel endoscopist-driven approach to intubation during ERCP using an ultra-slim, flexible gastroscope with an endotracheal tube backloaded onto it. Materials and Methods We identified patients who underwent ERCP from 2014 to 2019, and MAC to GA conversion events. Mode of intubation (standard vs. endoscopist-facilitated) and patient/procedure characteristics were evaluated. All endoscopist-facilitated intubations were performed under anesthesiologist supervision. Results A total of 3409 patients underwent ERCP; 1568 (46%) GA and 1841 (54%) MAC. Of these, 42 (2.3%) required intubation during ERCP and 16 underwent endoscopist-facilitated intubation due to retained food in the stomach and/or hypoxia. In 3 patients, aspirated material was suctioned from the trachea and bronchi using the ultra-slim gastroscope. Immediate post-procedure extubation was successful in all endoscopist-facilitated intubation patients and none exhibited radiographic evidence of aspiration pneumonia. Conclusions Endoscopist-facilitated intubation using an ultra-slim flexible gastroscope is feasible and expeditious for MAC to GA conversion during ERCP. This technique is readily accomplished in the semi-prone position, while standard intubation requires patient transfer from fluoroscopy table to gurney, with associated delay/risks. These data suggest that further study of this approach is warranted, and this may be the most favorable approach for intubation during ERCP.
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