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Sex Differences in Instantaneous Wave-Free Ratio or Fractional Flow Reserve–Guided Revascularization Strategy

  • Chee Hae Kim
  • , Bon Kwon Koo*
  • , Hakim Moulay Dehbi
  • , Joo Myung Lee
  • , Joon Hyung Doh
  • , Chang Wook Nam
  • , Eun Seok Shin
  • , Christopher M. Cook
  • , Rasha Al-Lamee
  • , Ricardo Petraco
  • , Sayan Sen
  • , Iqbal S. Malik
  • , Sukhjinder S. Nijjer
  • , Hernán Mejía-Rentería
  • , Eduardo Alegria-Barrero
  • , Ali Alghamdi
  • , John Altman
  • , Sérgio B. Baptista
  • , Ravinay Bhindi
  • , Waldemar Bojara
  • Salvatore Brugaletta, Pedro Canas Silva, Carlo Di Mario, Andrejs Erglis, Robert T. Gerber, Olaf Going, Tobias Härle, Farrel Hellig, Ciro Indolfi, Luc Janssens, Allen Jeremias, Rajesh K. Kharbanda, Ahmed Khashaba, Yuetsu Kikuta, Florian Krackhardt, Mika Laine, Sam J. Lehman, Hitoshi Matsuo, Martijin Meuwissen, Giampaolo Niccoli, Jan J. Piek, Flavo Ribichini, Habib Samady, James Sapontis, Arnold H. Seto, Murat Sezer, Andrew S.P. Sharp, Jasvindar Singh, Hiroaki Takashima, Suneel Talwar, Nobuhiro Tanaka, Kare Tang, Eric Van Belle, Niels van Royen, Hugo Vinhas, Christiaan J. Vrints, Darren Walters, Hiroyoshi Yokoi, Bruce Samuels, Christopher Buller, Manesh R. Patel, Patrick W. Serruys, Javier Escaned, Justin E. Davies
*Šī darba korespondējošais autors
  • VHS Medical Center
  • Seoul National University
  • University College London
  • Sungkyunkwan University
  • Inje University
  • Keimyung University
  • Ulsan Hospital
  • Imperial College Healthcare NHS Trust
  • Complutense University
  • Francisco de Vitoria University
  • King Abdulaziz Medical City - Riyadh
  • Colorado Heart and Vascular
  • Hospital Prof. Doutor Fernando Fonseca
  • Royal North Shore Hospital
  • Gemeinschaftsklinikum Mittelrhein
  • Hospital Clínic de Barcelona
  • Hospital Santa Maria
  • Royal Brompton and Harefield NHS Foundation Trust
  • University of Florence
  • Paula Stradina Clinical University Hospital
  • East Sussex Healthcare NHS Trust
  • Sana
  • University of Oldenburg
  • Sunninghill Hospital
  • Magna Græcia University
  • Imelda Hospital
  • Stony Brook University
  • John Radcliffe Hospital
  • Ain Shams University
  • Fukuyama Cardiovascular Hospital
  • Charité – Universitätsmedizin Berlin
  • Helsinki University Central Hospital
  • Flinders University
  • Gifu Heart Center
  • Amphia Hospital
  • Catholic University of the Sacred Heart
  • Academic Medical Centre University of Amsterdam
  • University Hospital of Verona
  • Emory University
  • Monash University
  • Department of Veterans Affairs
  • Istanbul University
  • University of Exeter
  • Washington University St. Louis
  • Aichi Medical University
  • Royal Bournemouth General Hospital
  • Tokyo Medical University
  • Essex Cardiothoracic Centre
  • Anglia Ruskin University
  • CHU Lille
  • VU University Medical Center Amsterdam
  • Hospital Garcia de Horta
  • University of Antwerp
  • Queensland Health
  • Fukuoka Sannou Hospital
  • Cedars-Sinai Medical Center
  • University of Toronto
  • Duke University

Zinātniskās darbības rezultāts: Devums žurnālamZinātniskais raksts (žurnālā)koleģiāli recenzēts

34 Atsauces (Scopus)

Kopsavilkums

Objectives: This study sought to evaluate sex differences in procedural characteristics and clinical outcomes of instantaneous wave-free ratio (iFR)– and fractional flow reserve (FFR)–guided revascularization strategies. Background: An iFR-guided strategy has shown a lower revascularization rate than an FFR-guided strategy, without differences in clinical outcomes. Methods: This is a post hoc analysis of the DEFINE-FLAIR (Functional Lesion Assessment of Intermediate stenosis to guide Revascularization) study, in which 601 women and 1,891 men were randomized to iFR- or FFR-guided strategy. The primary endpoint was 1-year major adverse cardiac events (MACE), a composite of all-cause death, nonfatal myocardial infarction, or unplanned revascularization. Results: Among the entire population, women had a lower number of functionally significant lesions per patient (0.31 ± 0.51 vs. 0.43 ± 0.59; p < 0.001) and less frequently underwent revascularization than men (42.1% vs. 53.1%; p < 0.001). There was no difference in mean iFR value according to sex (0.91 ± 0.09 vs. 0.91 ± 0.10; p = 0.442). However, the mean FFR value was lower in men than in women (0.83 ± 0.09 vs. 0.85 ± 0.10; p = 0.001). In men, an FFR-guided strategy was associated with a higher rate of revascularization than an iFR-guided strategy (57.1% vs. 49.3%; p = 0.001), but this difference was not observed in women (41.4% vs. 42.6%; p = 0.757). There was no difference in MACE rates between iFR- and FFR-guided strategies in both women (5.4% vs. 5.6%, adjusted hazard ratio: 1.10; 95% confidence interval: 0.50 to 2.43; p = 0.805) and men (6.6% vs. 7.0%, adjusted hazard ratio: 0.98; 95% confidence interval: 0.66 to 1.46; p = 0.919). Conclusions: An FFR-guided strategy was associated with a higher rate of revascularization than iFR-guided strategy in men, but not in women. However, iFR- and FFR-guided strategies showed comparable clinical outcomes, regardless of sex.

OriģinālvalodaAngļu
Lapas (no-līdz)2035-2046
Lapu skaits12
ŽurnālsJACC: Cardiovascular Interventions
Sējums12
Izdevuma numurs20
DOIs
Publikācijas statussPublicēts - 28 okt. 2019
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