A multi-channel acoustics monitor for perioperative respiratory monitoring: preliminary data

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• 作者：Kamal Jafarian ; Majid Amineslami…
• 关键词：Tracheal sound monitoring ; Lung sound monitoring ; Heart sound monitoring ; Ventilator acoustic monitoring
• 刊名：Journal of Clinical Monitoring and Computing
• 出版年：2016
• 出版时间：February 2016
• 年：2016
• 卷：30
• 期：1
• 页码：107-118
• 全文大小：2,504 KB
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• 作者单位：Kamal Jafarian (1)
  Majid Amineslami (1)
  Kamran Hassani (1)
  Mahdi Navidbakhsh (2)
  Mohammad Niakan Lahiji (3)
  D. John Doyle (4)
  
  1. Department of Biomechanics, Science and Research Branch, Islamic Azad University, Tehran, Iran
  2. Faculty of Mechanical Engineering, Iran University of Science and Technology, Tehran, Iran
  3. Iran University of Medical Science, Tehran, Iran
  4. Department of General Anesthesiology, Anesthesiology Institute, Cleveland Clinic Abu Dhabi, Abu Dhabi, UAE
  
• 刊物类别：Medicine
• 刊物主题：Medicine & Public Health
  Anesthesiology
  Intensive and Critical Care Medicine
  Statistics for Life Sciences, Medicine and Health Sciences
  
• 出版者：Springer Netherlands
• ISSN：1573-2614

文摘

This study pertains to a six-channel acoustic monitoring system for use in patient monitoring during or after surgery. The base hardware consists of a USB data acquisition system, a custom-built six-channel amplification system, and a series of microphones of various designs. The software is based on the MATLAB platform with data acquisition drivers installed. The displayed information includes: time domain signals, frequency domain signals, and tools to aid in the detection of endobronchial intubation. We hypothesize that the above mentioned arrangement may be helpful to the anesthesiologist in recognizing clinical conditions like wheezing, bronchospasm, endobronchial intubation, and apnea. The study also evaluated various types of microphone designs used to transduce breath sounds. The system also features selectable band-pass filtering using MATLAB algorithms as well as a collection of recordings obtained with the system to establish what respiratory acoustic signals look like under various conditions. Keywords Tracheal sound monitoring Lung sound monitoring Heart sound monitoring Ventilator acoustic monitoring