Abstract
The medical and economic benefits of a computer-aided monitoring system were evaluated in a prospective, randomized study of 810 patients after open-heart surgery. The design of the study separated benefits of systematized postoperative care from benefits unique to the computer system and established measurable criteria by which computer-aided monitoring systems could be objectively evaluated. Criteria for comparison included the rapidity, safety, and smoothness of convalescence and time spent for various nursing activities. The study showed that the computer-aided monitoring system did not provide discernible medical benefits nor favorably affect nursing activities. Downtime of the system averaged 1 day per week. Reliability and accuracy of the system were inadequate and the benefit/cost ratio was low. Future development of computer-aided monitoring systems for open cardiac surgery should stress reliability, accuracy and relevance of the monitored measurements.
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