• Krairerk Sintavanuruk, Oraluxna Rodanant, Intiporn Kositanurit, Phuping Akavipat, Aksorn Pulnitiporn, and Wimonrat Sriraj.
• Department of Anesthesiology, Charoenkrung Pracharak Hospital, Bangkok 10120, Thailand. krairerk@ckphosp.go.th
• J Med Assoc Thai. 2008 Dec 1; 91 (12): 1854-60.

ObjectiveTo analyze the clinical course, outcomes, contributing factor, corrective and preventive strategies of accidental endobroncheal intubation (EBI) in the Thai Anesthesia Incident Monitoring Study (Thai AIMS).Material And MethodThis was a prospective descriptive multicenter study of anesthesia-related adverse incidents from 51 hospitals across Thailand from January to June 2007. Possible accidental EBI data were extracted and analyzed using descriptive statistics by 3 reviewers.ResultsThirty-two cases (1.6%) of EBI were reported from a total of l996 Thai AIMS incidents. EBI occurred more often in females (71.9%). Most of the incidents happened in the operating theater (93.8%) and the most common surgical specialties were general and gynecological surgery (20.6% each). Two cases had hypoxemia and 1 case required respiratory supported postoperatively. Most incidents (65.6%) were first recognized via monitoring equipment which was detected by pulse oximeter (71.4%) and airway pressure measurement (4.8%). Ninety six percent of cases were considered preventable. Anesthetic factors and system factors were found to involve in 62.5% and 11.8% of incidents respectively. The major contributing factors were inexperience of the performers (84.4%), lack of knowledge (40.6%), haste (21.9%) and communication failure (9.4%). The incident would be minimized by having prior experience of incident, high awareness and experienced assistants available. Three main strategies to prevent the incident included additional training, improvement supervision and established guideline practice.ConclusionAccidental endobronchial intubation was reported as 1.6% of anesthetic adverse event in Thai AIMS. Majority of the incidents were contributed by anesthesia and system factors. High awareness, experience of performers and additional training would decrease the incidents and improve anesthetic outcome.

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