Development of a real-time and quantitative thrombus sensor for an extracorporeal centrifugal blood pump by near-infrared light

Development of a real-time and quantitative thrombus sensor for an extracorporeal centrifugal blood pump by near-infrared light.

Click on the title to purchase the article. 

Abstract:

We developed an optical thrombus sensor for a monopivot extracorporeal centrifugal blood pump. In this study, we investigated its quantitative performance for thrombus detection in acute animal experiments of left ventricular assist using the pump on pathogen-free pigs. Optical fibers were set in the driver unit of the pump. The incident light at the near-infrared wavelength of 810 nm was aimed at the pivot bearing, and the resulting scattered light was guided to the optical fibers. The detected signal was analyzed to obtain the thrombus formation level. As a result, real-time and quantitative monitoring of the thrombus surface area on the pivot bearing was achieved with an accuracy of 3.6 ± 2.3 mm2. In addition, the sensing method using the near-infrared light was not influenced by changes in the oxygen saturation and the hematocrit. It is expected that the developed sensor will be useful for optimal anticoagulation management for long-term extracorporeal circulation therapies.


 

Development of a real-time and quantitative thrombus sensor for an extracorporeal centrifugal blood pump by near-infrared light.
Sakota D, Fujiwara T, Ohuchi K, Kuwana K, Yamazaki H et al.
Biomed Opt Express. 2017 Dec 12;9(1):190-201

Recent Stories
The ACEF II Risk Score for cardiac surgery: updated but still parsimonious.

Does the type of cardioplegia used during valve surgery influence operative nadir hematocrit and transfusion requirements?

Early negative fluid balance is associated with lower mortality after cardiovascular surgery

AmSECT Membership Eligibility

An Active Member shall be any perfusionist active in the practice of extracorporeal circulation technology. There are also opportunities to become a Transitional Active Member for those less than a year removed from graduation from an approved accredited training program. Other options include; an Associate Membership, International Membership, Perioperative Blood Management Clinician Membership, and Student Membership.

Click Here to Learn More

Looking for Employment Opportunities?

AmSECT members may post an available position for a perfusion specialty at your institution or firm.

Non-members may also post positions free of charge, to be reviewed by National Headquarters prior to posting.

Members - Click to Post a Position
Non-Members - Click to Post a Position

Contact AmSECT


AmSECT National Headquarters
330 N Wabash Ave, Suite 2000
Chicago, IL 60611

  Phone: (312) 321-5156
  Fax: (312) 673-6656
  Email: amsect@amsect.org

AmSECT © 2018 | View Privacy Policy | Site Map