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Semin Thromb Hemost 2001; 27(1): 015-024
DOI: 10.1055/s-2001-12843
Copyright © 2001 by Thieme Medical Publishers, Inc., 333 Seventh Avenue, New York, NY 10001, USA. Tel.: +1(212) 584-4662

Cost-Effectiveness of Currently Accepted Strategies for Pulmonary Embolism Diagnosis

Russell D. Hull, Graham F. Pineo, Paul D. Stein, Andrew F. Mah, Matthew S. Butcher
  • Thrombosis Research Unit, Foothills Hospital, Calgary, Alberta, Canada
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Publication History

Publication Date:
31 December 2001 (online)

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ABSTRACT

Improvements in the methods of clinical trials combined with the use of objective tests to detect venous thrombosis have enhanced the clinician's ability to diagnose pulmonary embolism and venous thrombosis (venous thromboembolism).

The authors updated a previous cost-effectiveness analysis of the commonly recommended strategies for pulmonary embolism diagnosis and management to reflect current clinical practice. Two criteria of effectiveness were used: correct identification of venous thromboembolism and correct identification of venous thromboembolism and correct identification of patients for whom treatment was unnecessary. The cost of each diagnostic alternative was defined as the direct cost of administering the diagnostic tests plus the treatment costs associated with a positive test result. A strategy based on the combined use of ventilation-perfusion lung scanning, serial ultrasonography, cardiorespiratory evaluation, and pulmonary angiography was the most cost-effective. This strategy also necessitated pulmonary angiography in the fewest number of patients. The safety of this strategy relates to two important biologic concepts: 1) local extension of submassive pulmonary embolism in the lung is not an important cause of morbidity or mortality in patients with adequate cardiorespiratory reserve, and 2) in most patients, proximal vein thrombi of the lower extremities are the source of recurrent pulmonary embolism.

KEYWORD

Pulmonary embolism - diagnosis - cost-effectiveness - venous thromboembolism

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