Abstract
The prevalence of coronary bifurcation lesions (CBL) in the percutaneous coronary intervention (PCI) was reported to be approximately 15-20 % [Steigen (2006)]. The complex surgical techniques and the high incidence of restenosis make the treatment of CBL is still one of the most challenging fields in PCI. Even the single stent technique showed prognosis in most CBL treatment, dual stenting technique is still required in some cases. Our clinical follow-ups of dual stent implantation showed that the optimized provisional T-stenting (OPT) technique in CBL treatment has a lower restenosis rate compare with the Culotte stenting technique and T-stenting and small protrusion (TAP) technique. Though the local hemodynamic characteristics have been suggested as a key factor of the restenosis post PCI, the detailed hemodynamics features of the different dual stent implantation configurations are yet to be explored. In this study, the numerical simulations were performed to investigate the flow characteristics in coronary bifurcations with different dual stenting techniques.
Highlights
The prevalence of coronary bifurcation lesions (CBL) in the percutaneous coronary intervention (PCI) was reported to be approximately 15-20% [Steigen (2006)]
One three-dimensional (3D) model including stents and artery of each stenting techniques were reconstructed by the combined use of self-developed Matlab code and the commercial software MIMICS (Materialise Inc., Leuven, Belgium)
3 Results Due to the presence of lumen narrow caused by overlapped stent at the bifurcation site of Culotte model, a reduction of blood flow velocity was observed in the main branch (MB)
Summary
The prevalence of coronary bifurcation lesions (CBL) in the percutaneous coronary intervention (PCI) was reported to be approximately 15-20% [Steigen (2006)]. Even the single stent technique showed prognosis in most CBL treatment, dual stenting technique is still required in some cases. Our clinical follow-ups of dual stent implantation showed that the optimized provisional T-stenting (OPT) technique in CBL treatment has a lower restenosis rate compare with the Culotte stenting technique and T-stenting and small protrusion (TAP) technique. Though the local hemodynamic characteristics have been suggested as a key factor of the restenosis post PCI, the detailed hemodynamics features of the different dual stent implantation configurations are yet to be explored. The numerical simulations were performed to investigate the flow characteristics in coronary bifurcations with different dual stenting techniques
Sign-in/Register to view highlights & summary Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a callDisclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.
