Validation of Cardiac Output as Reported by a Permanently Implanted Wireless Sensor-Reference-Cited by-同舟云学术

Validation of Cardiac Output as Reported by a Permanently Implanted Wireless Sensor

Published:2015-11-05 Issue:1 Volume:10 Page:
ISSN:1932-6181
Container-title:Journal of Medical Devices
language:en
Short-container-title:

Author:

Tree Michael¹,White Jason²,Midha Prem¹,Kiblinger Samantha³,Yoganathan Ajit⁴

Affiliation:

1. The George W. Woodruff School of Mechanical Engineering, Georgia Institute of Technology, 387 Technology Circle, Suite 200, Atlanta, GA 30313 e-mail:

2. Mem. ASME St. Jude Medical, Inc., 387 Technology Circle, Suite 500, Atlanta, GA 30313 e-mail:

3. Coulter Department of Biomedical Engineering, Georgia Institute of Technology, 387 Technology Circle, Suite 200, Atlanta, GA 30313 e-mail:

4. Mem. ASME Coulter Department of Biomedical Engineering, Georgia Institute of Technology, 387 Technology Circle, Suite 200, Atlanta, GA 30313 e-mail:

Abstract

The CardioMEMS heart failure (HF) system was tested for cardiac output (CO) measurement accuracy using an in vitro mock circulatory system. A software algorithm calculates CO based on analysis of the pressure waveform as measured from the pulmonary artery, where the CardioMEMS system resides. Calculated CO was compared to that from reference flow probe in the circulatory system model. CO measurements were compared over a clinically relevant range of stroke volumes and heart rates with normal, pulmonary hypertension (PH), decompensated left heart failure (DLHF), and combined DHLF + PH hemodynamic conditions. The CardioMEMS CO exhibited minimal fixed and proportional bias.

Publisher

ASME International

Subject

Biomedical Engineering,Medicine (miscellaneous)

Link

http://asmedigitalcollection.asme.org/medicaldevices/article-pdf/doi/10.1115/1.4031799/6237249/med_010_01_011001.pdf

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