Related Experiment Video
Updated: Jul 5, 2026

Non-Intubated Video-Assisted Thoracoscopic Surgery
Published on: May 26, 2023
Novel method for bulla detection with video-assisted thoracoscopic surgery in patients with spontaneous pneumothorax
Riken Kawachi1, Hidefumi Takei, Yoshihiko Koshi-Ishi
1Department of Surgery (Thoracic Surgery Division), Kyorin University, Mitaka-Shi, Tokyo, Japan. rkawachi@kpe.biglobe.ne.jp <rkawachi@kpe.biglobe.ne.jp>
Abstract:
Detection of bullae is usually performed during lung inflation with an inspiratory hold in collaboration with anesthetists (conventional method). One cause leading to recurrent pneumothorax is failure to detect the position and extent of bullae under the conventional method. We herein present a novel method for detecting bullae under negative intrathoracic pressure, enabling exploration in the narrow cupola space without lung inflation.
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