Key result
Videodensitometric measures of coronary luminal area correlated well with intraoperative high-frequency epicardial echocardiography in vivo (r = 0.86), independent of angiographic projection.
Why the study?
Does videodensitometric analysis accurately measure coronary luminal area compared to intraoperative high-frequency epicardial echocardiography in human coronary arteries?
Population
36 human coronary arterial segments with 22 discrete lesions
Comparison
Videodensitometric analysis of coronary angiograms vs Intraoperative high-frequency epicardial…
Design
Other
Authors
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Supports videodensitometry for projection-independent coronary quantification; leaves open prospective validation before clinical adoption.
Observational
Does videodensitometric analysis accurately measure coronary luminal area compared to intraoperative high-frequency epicardial echocardiography in human coronary arteries?
Effect estimate: r = 0.86
Videodensitometry provides a valid index of coronary luminal area in vivo that is independent of angiographic projection and luminal shape.
Johnson et al. (1988) conducted an observational in Coronary stenoses. Videodensitometry vs. Intraoperative high-frequency epicardial echocardiography was evaluated on Correlation of luminal area measurements between videodensitometry and echocardiography (r = 0.86). Videodensitometric measures of coronary luminal area correlated well with intraoperative high-frequency epicardial echocardiography in vivo (r = 0.86), independent of angiographic projection.
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