Why the study?
Does the measurement of systolic time intervals improve the differential diagnosis between constrictive pericarditis and restrictive cardiomyopathy?
Population
22 patients in whom clinical examination failed to make the distinction
Comparison
Measurement of systolic time intervals vs Right heart catheterization
Design
Cross-sectional
Authors
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May aid noninvasive differentiation of constrictive pericarditis from restrictive cardiomyopathy; leaves open prospective validation before clinical use.
Does the measurement of systolic time intervals improve the differential diagnosis between constrictive pericarditis and restrictive cardiomyopathy?
Systolic time intervals (PEP/LVET) provide a reliable non-invasive technique to differentiate constrictive pericarditis from restrictive cardiomyopathy when clinical examination and right heart catheterization are inconclusive.
Khullar et al. (1976) studied this question.
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