HOME HELP FEEDBACK SUBSCRIPTIONS ARCHIVE SEARCH TABLE OF CONTENTS		QUICK SEARCH:   [advanced] Author: Keyword(s): Year:  Vol:  Page:

This Article Full Text (PDF) Alert me when this article is cited Alert me if a correction is posted Services Email this article to a friend Similar articles in this journal Similar articles in PubMed Alert me to new issues of the journal Download to citation manager Citing Articles Citing Articles via Google Scholar Google Scholar Articles by Hack, S. N. Articles by Cooper, J. A. Search for Related Content PubMed PubMed Citation Articles by Hack, S. N. Articles by Cooper, J. A.

Dynamic Ventilation Scintigraphy: A Comparison of Parameter Estimation Gating Models

TAU Corporation, Los Gatos, California
XRE Corporation, Littleton, Massachusetts
The State University of New York, Albany, New York
Albany Medical College, Albany, New York

Correspondence: For reprints contact: Stanley N. Hack, BSC, TAU Corporation, 485 Alberto Lane, Building D, Los Gatos, CA 95032.

ABSTRACT

Two procedures for providing the synchronization of ventilation scintigraphic data to create dynamic displays of the pulmonary cycle are described and compared.These techniques are based on estimating instantaneous lung volume by pneumotachometry and by scintigraphy. Twenty-three patients were studied by these two techniques. The results indicate that the estimation of the times of end-inspiration and end-expiration are equivalent by the two techniques but the morphologies of the two estimated time-volume waveforms are not equivalent. Ventilation cinescintigraphy based on time division gating but not on isovolume division gating can be equivalently generated from list mode acquired data by employing either technique described.