Salman S. Allana1, MD; Athanasios Rempakos1, MD; Spyridon Kostantinis1, MD; Michaella Alexandrou1, MD; Deniz Mutlu1, MD; Khaldoon Alaswad2, MD; Lorenzo Azzalini3, MD, PhD; Kathleen Kearney3, MD; Oleg Krestyaninov4, MD; Dmitrii Khelimskii5, MD; Sevket Gorgulu6, MD; Raj H. Chandwaney7, MD; Farouc A. Jaffer8, MD, PhD; Jaikirshan J. Khatri9, MD; Rhian E. Davies10, MD; Stewart M. Benton Jr10, MD; James W. Choi11, MD; Dimitrios Karmpaliotis12, MD; Paul Poommipanit13, MD; William Nicholson14, MD; Wissam Jaber14, MD; Stephane Rinfret14, MD; Jarrod Frizzel15, MD; Taral Patel16, MD; Brian Jefferson16, MD; Nazif Aygul17, MD; Omar Goktekin18, MD; Ahmed ElGuindy19, MD; Nidal Abi-Rafeh20, MD; Bavana V. Rangan1, BDS, MPH; M. Nicholas Burke1, MD; Yader Sandoval1, MD; Emmanouil S. Brilakis1, MD, PhD
1. Minneapolis Heart Institute and Minneapolis Heart Institute Foundation, Abbott Northwestern Hospital, Minneapolis, MN, USA; 2. Henry Ford Cardiovascular Division, Detroit, MI, USA; 3. Department of Medicine, Division of Cardiology, University of Washington, Seattle, WA, USA; 4. Meshalkin Novosibirsk Research Institute, Novosibirsk, Russia; 5. Meshalkin National Medical Research Center, Ministry of Health of the Russian Federation, Novosibirsk, Russia; 6. Acibadem Kocaeli Hospital, Izmit, Turkey; 7. Oklahoma Heart Institute, Tulsa, OK, USA; 8. Massachusetts General Hospital, Boston, MA, USA; 9. Cleveland Clinic, Cleveland, OH, USA; 10. Wellspan York Hospital, York, PA, USA; 11. Texas Health Presbyterian Hospital, Dallas, TX, USA; 12. Gagnon Cardiovascular Institute, Morristown Medical Center, Morristown, NJ, USA; 13. University Hospitals, Case Western Reserve University, Cleveland, OH, USA; 14. Emory University Hospital Midtown, Atlanta, GA, USA; 15. The Christ Hospital, Cincinnati, OH, USA; 16. Tristar Centennial Medical Center, Nashville, TN, USA; 17. Selcuk University, Konya, Turkey; 18. Memorial Bahçelievler Hospital, Istanbul, Turkey; 19. Aswan Heart Center, Magdi Yacoub Foundation, Cairo, Egypt; 20. North Oaks Health System, Hammond, LA, USA
During chronic total occlusion (CTO) percutaneous coronary intervention (PCI), retrograde wire externalisation (RWE) is the standard technique after successful retrograde guidewire crossing. When RWE is unfeasible or undesirable, the tip-in and rendezvous techniques can be used1. In the tip-in technique, the retrograde wire is advanced into an antegrade microcatheter within the antegrade guide catheter. In the rendezvous technique, an antegrade wire is advanced into the retrograde microcatheter. The system is then converted to antegrade in both scenarios. We examined the frequency and outcomes of the tip-in and rendezvous techniques in a large, multicentre registry.
We analysed the baseline characteristics ...
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