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Intraoperative Asystole during Thoracoscopic Left Lung Upper Lobectomy: A Case Report
Yu Sugimoto1, Masatoshi Kanayama1, Misono Kobayashi1
1Department of Chest Surgery, Iizuka Hospital, Iizuka, Fukuoka, Japan.
Surgical Case Reports
|November 18, 2025
Summary
Intraoperative asystole during lung cancer surgery can be triggered by a vagal reflex. Immediate cessation of surgical stimulation resolved the event, highlighting the need for vigilance during pulmonary hilum manipulation.
Area of Science:
- Thoracic Surgery
- Cardiology
- Anesthesiology
Background:
- Intraoperative asystole is a rare but severe complication during lung cancer surgery.
- Potential causes include cardiac issues, bleeding, anesthesia, and neural reflexes.
- This case details asystole induced by a vagal reflex during thoracoscopic left upper lobectomy.

