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Evaluation of an Integrated ¹³³Xe Regional Pulmonary-Function Analyzer

New Charing Cross Hospital, London, England

Correspondence: For reprints contact: Roger 0. Rawbone, Dept. of Medicine, New Charing Cross Hospital, Fulham Palace Rd., London W6 8RF, United Kingdom.

ABSTRACT

An integrated system for diagnostic, quantitative, static and dynamic, regional pulmonary-function analysis—both ventilation and perfusion—using ¹³³Xe has recently been developed by Ohio-Nuclear. This paper considers this equipment in a clinical setting and describes the results obtained from 50 normal subjects. Functionally, the analyzer was found to be satisfactory and its operation simple and easy to learn. Patient discomfort is minimal and the complete ventilation-perfusion analysis can be performed and reported in less than 30 min. The results from normal subjects were comparable with published results.