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Related Experiment Videos

An acoustic aneurysm-detector.

R J Sclabassi1, M Sun, L Sekhar

  • 1Department of Neurological Surgery, University of Pittsburgh, PA 15260.

Medical Instrumentation
|December 1, 1987
PubMed
Summary
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Acoustic aneurysm detectors may identify intracranial aneurysms by listening for unique sound patterns produced by blood flow. This non-invasive technology aims to detect these dangerous vascular malformations before rupture.

Area of Science:

  • Biomedical Engineering
  • Medical Acoustics
  • Vascular Surgery

Background:

  • Intracranial aneurysms are common in adults and can cause severe disability or death upon rupture.
  • Pulsatile blood flow within aneurysms generates detectable vibrational sounds.

Purpose of the Study:

  • To develop and evaluate an acoustic device for detecting intracranial aneurysms non-invasively.
  • To identify pre-rupture aneurysm sounds for early diagnosis.

Main Methods:

  • Utilized a hydrophone for detecting aneurysm-generated sounds.
  • Employed computational signal processing for extracting relevant acoustic signals.
  • Analyzed data in time, frequency, and time-frequency domains.

Main Results:

Related Experiment Videos

  • Demonstrated the feasibility of detecting aneurysm-related acoustic patterns.
  • Presented examples from both animal models and a human patient with a known aneurysm.

Conclusions:

  • An acoustic aneurysm detector shows promise for non-invasive detection of intracranial aneurysms.
  • This technology could enable pre-rupture diagnosis, potentially reducing morbidity and mortality.