Richard Callihan, MD

Original Contribution
COMMENTARY: Broadening the Applications of Fractional Flow Reserve
08/01/2008
The concept of fractional flow reserve (FFR) was introduced by Pijls et al in his publication in 1993.1 This concept uses pressure measurement as a surrogate for flow, in a state where resistance is minimal and constant, a state of maximal...
The concept of fractional flow reserve (FFR) was introduced by Pijls et al in his publication in 1993.1 This concept uses pressure measurement as a surrogate for flow, in a state where resistance is minimal and constant, a state of maximal...
The concept of fractional flow...
08/01/2008
Journal of Invasive Cardiology
Case Report
Novel Use of Twin-Pass Catheter in Successful Recanalization of<br />
a Chronic Coronary Total Occlusion
08/01/2008
The exact incidence of chronic total occlusions (CTOs) during routine coronary angiography is not well defined. It has been reported in the literature that CTOs are encountered in approximately one-third of diagnostic cardiac...
The exact incidence of chronic total occlusions (CTOs) during routine coronary angiography is not well defined. It has been reported in the literature that CTOs are encountered in approximately one-third of diagnostic cardiac...
The exact incidence of chronic...
08/01/2008
Journal of Invasive Cardiology

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