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Updated: Apr 14, 2026

Topical Airway Anesthesia for Awake-endoscopic Intubation Using the Spray-as-you-go Technique with High Oxygen Flow
Published on: January 13, 2017
Fatal air embolism during sigmoidoscopy performed under spinal anesthesia
Thamer Bin Traiki1, Jumana Baaj2, Ahmad Al Boukae3
1Department of Surgery, King Khalid University Hospital, College of Medicine, King Saud University, Riyadh, Saudi Arabia.
Abstract:
Air embolism is an uncommon but potentially catastrophic event that occurs when air enters the vasculature. Because of a scared and friable colorectal mucosa, patients with anastomotic stricture are at an increased risk of complications associated with sigmoidoscopy such as bowel perforation and bleeding. This is a report of fatal air embolism confirmed on an immediate postmortem chest radiograph in a patient with a high colorectal anastomotic stricture undergoing sigmoidoscopy under spinal anesthesia is reported. The literature on air embolism in patients undergoing sigmoidoscopy/colonoscopy is reviewed.
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