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IN PRESS
A 32-Year-Old Man Diagnosed with Type II Brugada Syndrome on Preoperative Electrocardiogram 1 Week Before Elective Tympanoplasty

Haruyuki Yuasa, Atsuhiro Kitaura, Chiyako Kitayama, Masaki Fuyuta, Takashi Mino, Ken Okamoto, Shinichi Nakao

Japan Department of Anesthesiology, Kindai University Faculty of Medicine, Osakasayama, Osaka, Japan

Am J Case Rep 2021; 22:e927756 :: DOI: 10.12659/AJCR.927756

Available online: 2021-02-09, In Press, Corrected Proof

Publication in the "In-Press" formula aims at speeding up the public availability of the pending manuscript while waiting for the final publication.
The assigned DOI number is active and citable. The availability of the article in the Medline, PubMed and PMC databases as well as Web of Science will be obtained after the final publication according to the journal schedule

#927756

BACKGROUND Brugada syndrome is a potentially fatal cardiac arrhythmia characterized by incomplete right bundle-branch block (RBB) and characteristic ST-segment elevation in the anterior electrocardiogram (ECG) leads. This report is of a case of type 2 Brugada syndrome, and discusses the importance of preoperative history and ECG evaluation.
CASE REPORT A 32-year-old man was scheduled for tympanoplasty. His preoperative ECG revealed saddleback-type J waves in V₂ (>2 mm) and ST increase (>1 mm) detected 1 week before elective surgery, but the ECG 1 year before showed normal. He had no notable past history.
Anesthesia was induced with remifentanil and propofol, and maintained with sevoflurane in combination with remifentanil. Routine monitoring of vital signs was supplemented with V2 monitoring on the ECG. The heart rate was maintained at above 60 beats/min using ephedrine. The course of the operation was uneventful. CONCLUSIONS
We managed anesthesia for a patient with a type 2 Brugada syndrome ECG without events, probably because he had no notable past history such as syncope. Type 2 and type 3 Brugada syndrome ECGs are difficult to recognize, and patients with them are considered to be less risky than a patient with a type I ECG. However, as Brugada syndrome ECG is dynamic and changeable, a type 2 or 3 Brugada syndrome ECG can change to a type I ECG under some conditions, and thus should not be overlooked, and the patient’s past history or symptoms, such as syncope, should be carefully investigated.

Keywords: Brugada Syndrome; Syncope; Anesthesia; Ventricular Fibrillation

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