title: Fatal gas embolism as a complication of Nd-YAG laser surgery during treatment of bilateral choanal stenosis.
abstract: A 40-day-old infant boy underwent Nd-YAG laser surgery because of congenital bilateral choanal stenosis. Cyanosis and cardiovascular collapse occurred during the operation. Resuscitation was initiated, but in vain; the patient died. The evolution of clinical events was consistent with a diagnosis of gas embolism. In the investigation of causes, the use of a sapphire tip with the Nd-YAG laser and the cooling of the tip with N2 gas were thought to have contributed to the fatal outcome. The authors warn of the potential risk of gas embolism with the Nd-YAG laser and a coaxial gas cooling system, and they emphasize the importance of monitoring for gas embolism in high-risk patients.
authors.affiliation: Department of Anesthesiology, Veterans General Hospital-Taipei, National Yang-Ming Medical College, Taiwan, Republic of China.
authors.forename: H B
authors.initials: HB
authors.lastname: Yuan
authors.forename: K S
authors.initials: KS
authors.lastname: Poon
authors.forename: K H
authors.initials: KH
authors.lastname: Chan
authors.forename: T Y
authors.initials: TY
authors.lastname: Lee
authors.forename: C Y
authors.initials: CY
authors.lastname: Lin
mesh_terms: D002754:Choanal Atresia / Q000601:surgery*; D004618:Embolism, Air / Q000209:etiology*; D006801:Humans; D007223:Infant; D053685:Laser Therapy / Q000009:adverse effects*; D008297:Male; D009584:Nitrogen
chemical_list: D009584:Nitrogen