NDLI: A method to record, store, and analyze multiple physiologic pressure recordings

Content Provider	IEEE Xplore Digital Library
Author	Sansur, C.A. Eidsath, A. DeVroom, H.L. Ennis, R. Heiss, J.D.
Copyright Year	2001
Description	Author affiliation: Nat. Inst. of Health, Bethesda, MD, USA (Sansur, C.A.)
Abstract	To investigate the pathophysiology of syringomyelia, we developed a system to simultaneously record arterial, central venous, airway, cervical subarachnoid and intrathecal pressures. In addition, our system records electrocardiograms (ECGs) and provides us with the means to analyze all pressures during individual and averaged cardiac cycles. During the described study, flow magnetic resonance imaging and cardiac-gated ultrasound images were also used. To compare our pressure readings with these images, we needed to account for the low-frequency changes in the recorded pressures resulting from normal respiration. We therefore wrote a program to derive mean pressure waves during the cardiac cycle that averaged out the pressure effects of the respiratory cycle. Simultaneous cerebrospinal pressure, hemodynamic pressure and ECG were plotted. This allowed us to establish the simultaneous relationship between pressures, syrinx size and cerebellar tonsil pulsation during the cardiac cycle. This system may prove valuable to other researchers investigating the interactions between multiple physiological parameters during the cardiac cycle.
Sponsorship	IEEE Comput. Soc. Tech. Committee on Computational Med.
Starting Page	343
Ending Page	347
File Size	488337
Page Count	5
File Format	PDF
ISBN	0769510043
ISSN	10637125
DOI	10.1109/CBMS.2001.941743
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2001-07-26
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Surgery Biomedical monitoring Ultrasonic imaging Nervous system Magnetic resonance imaging Spinal cord Electrocardiography Biomedical transducers Instruments Pressure measurement
Content Type	Text
Resource Type	Article
Subject	Radiology, Nuclear Medicine and Imaging Computer Science Applications

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