Article (Scientific journals)
Microcatheter-versus wire-based measurement of the fractional flow reserve.
Boutaleb, Amine Mamoun; Scalia, Alessandro; Ghafari, Chadi et al.
2023In Acta Cardiologica, 78 (9), p. 1024 - 1032
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Keywords :
Fractional flow reserve; coronary artery physiology; crossing profile; microcatheter; non-hyperaemic pressure ratio; pressure wire; Cardiology and Cardiovascular Medicine; General Medicine
Abstract :
[en] BACKGROUND: Fractional flow reserve (FFR) guided-percutaneous interventions is nowadays the gold standard for optimal coronary artery revascularization. While multiple pressure guidewires have been validated, the use of microcatheter for FFR measurements is still a matter of debate. OBJECTIVE: The aim of this study was to investigate the crossing profile characteristics of the NAVVUS® microcatheter as compared with the COMETTM pressure wire. At the same time, we compared non-hyperaemic pressure ratio (NHPR) and FFR measurements of both systems. METHOD/MATERIALS: In this retrospective study, all angiographically intermediate coronary artery stenoses each month were assessed, using either the NAVVUS® or the COMETTM pressure system, to receive coronary artery physiology assessment with NHPR and FFR measurements. The crossing profile of both systems was compared regarding objective coronary artery lesion characteristics using quantitative coronary analysis evaluation. RESULTS: Over a period of 4.5 years, we evaluated 213 coronary artery stenoses using one of the two coronary tools. We found a 9.2% crossing profile failure rate using the microcatheter, compared to 0.7% in the pressure wire group (p < .001). The crossing failure was significantly correlated with the presence of coronary artery calcifications and angulation (p = .042, p = .049, respectively). FFR values were comparable be- tween the two groups and were significantly lower in the presence of coronary calcifications and proportional to the degree of stenosis (p = .036, p = .010). Pressure drift was comparable. CONCLUSION: Our observations are in line with other studies reporting the poor crossing profile of the NAVVUS® microcatheter. NHPR and FFR measures of both systems were well correlated.
Disciplines :
Cardiovascular & respiratory systems
Author, co-author :
Boutaleb, Amine Mamoun ;  Cardiology, Ibn Rochd University Hospital, Casablanca, Morocco
Scalia, Alessandro ;  Université de Mons - UMONS > Faculté de Médecine et de Pharmac > Service de Cardiologie ; CHU Ambroise Paré, Mons, Belgium
Ghafari, Chadi  ;  Université de Mons - UMONS > Faculté de Médecine et de Pharmacie > Service de Cardiologie
Carlier, Stéphane  ;  Université de Mons - UMONS > Faculté de Médecine et de Pharmac > Service de Cardiologie
Language :
English
Title :
Microcatheter-versus wire-based measurement of the fractional flow reserve.
Publication date :
November 2023
Journal title :
Acta Cardiologica
ISSN :
0001-5385
eISSN :
1784-973X
Publisher :
Taylor and Francis Ltd., England
Volume :
78
Issue :
9
Pages :
1024 - 1032
Peer reviewed :
Peer Reviewed verified by ORBi
Research unit :
M106 - Cardiologie
Research institute :
R550 - Institut des Sciences et Technologies de la Santé
Funding text :
This work is non-funded by any industry or potential actor. I would like to express my special thanks to the Free University of Brussels, to the Faculty of Medicine of Hassan II University and to Professor Carlier for having given me the opportunity, via the FOSFOM fellowship program, to complete a one-year internship at the University Hospital of Ambroise Pare, in Mons, Belgium. I would also like to recognise all of those who have directly and indirectly helped in treating these patients and guided me in writing this study.
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