臨床研究等提出・公開システム

Artificial Intelligence Analysis based on Lung Sound Spectrograms collected by Digital Stethoscope

AI SOUND

Ohde Yasuhisa

Shizuoka Cancer Center

1007 Shimonagakubo, Nagaizumi-cho, Sunto-gun,Shizuoka

y.ode@scchr.jp

Katsumata Shinya

Shizuoka Cancer Center

1007 Shimonagakubo, Nagaizumi-cho, Sunto-gun,Shizuoka

+81-55-989-5222

shi.katsumata@scchr.jp

Recruiting

Jan. 07, 2026

Interventional

single arm study

open(masking not used)

uncontrolled control

single assignment

diagnostic purpose

(1) Age 18 years or older at the time of consent acquisition.
(2) Planned thoracic surgery within 4 weeks of the date of consent (including the same day of the week after 4 weeks)
(3) Pulmonary function tests can be performed or have been performed.
(4) Prior to enrollment in this study, the contents of the study were fully explained and written consent was obtained from the study subject.

(1) Subjects who have a history of thoracic surgery.
(2) Subjects who have a mass with a maximum diameter of more than 3 cm in either of the left and right lungs.
(3) Subjects who are scheduled for simultaneous surgery on both lungs
(4) Subjects who have a medical device in his or her body that may be affected by magnetic materials, such as a pacemaker or implanted cardioverter defibrillator.
(5) Subjects who have a history of hypersensitivity to silicone, rubber products, or metals.
(6) Subjects with a history of severe hypersensitivity
(7) Other subjects who are judged to be inappropriate by the principal investigator or co-investigator

Both

chest tumor

AI-based analysis is performed on the spectrogram obtained from lung sounds acquired by a digital stethoscope

Relationship between lung sounds obtained by digital stethoscopes and pulmonary function tests

Identification accuracy of secondary noise obtained by digital stethoscope by AI analysis

+81-55-989-5222

Nov. 28, 2025

No

none