S&M Young Researcher Paper Award 2020
Recipients: Ding Jiao, Zao Ni, Jiachou Wang, and Xinxin Li [Winner's comments]
Paper: High Fill Factor Array of Piezoelectric Micromachined
Ultrasonic Transducers with Large Quality Factor

S&M Young Researcher Paper Award 2021
Award Criteria
Notice of retraction
Vol. 32, No. 8(2), S&M2292

Print: ISSN 0914-4935
Online: ISSN 2435-0869
Sensors and Materials
is an international peer-reviewed open access journal to provide a forum for researchers working in multidisciplinary fields of sensing technology.
Sensors and Materials
is covered by Science Citation Index Expanded (Clarivate Analytics), Scopus (Elsevier), and other databases.

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Intraoperative Investigation of Vibration and Acoustic Characteristics of Venous Pulsatile Tinnitus Using Confocal Laser Displacement Sensor, Doppler Ultrasonography, and Piezoelectric Film Sensor: A Pilot Study

Yue-Lin Hsieh and Wuqing Wang

(Received December 31, 2020; Accepted February 26, 2021)

Keywords: pulsatile tinnitus, vibration, sensor, acoustic, water occlusion test

The vibrations of a thinned sigmoid plate and exposed sinus vessel wall in patients with sigmoid sinus wall anomalies (SSWAs) have long been speculated to be a pivotal cause of venous pulsatile tinnitus (PT). This is the first in vivo study to investigate whether vibrations resulting from SSWAs induce PT using multiple sensor systems. A confocal laser displacement sensor system was intraoperatively deployed to gauge displacements of the focal anatomical structure in 12 subjects with venous PT with or without SSWAs. Doppler ultrasonography was performed to detect the blood flow and psychoacoustic characteristics of PT. Computational fluid dynamics and piezoelectric sensors were deployed to assess the relationship between the vessel wall pressure and hemodynamics. The ultrasonographic examination showed that the PT pitch matched the blood flow sampled at the center of the sinus lumen in all subjects and that there was no statistical difference between the displacements of the sigmoid plate and vessel wall before separation, indicating that PT is strongly associated with flow-induced noise rather than vibration-induced noise. In addition, the quantitative water occlusion test can be potentially indicative for the surgical and mechanistic study of PT.

Corresponding author: Wuqing Wang




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