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Moț ȘDC, Șerban AM, Dădârlat-Pop A, Tomoaia R, Pop D. The Degree of Stent Apposition Measured by Stent Enhancement at the Level of the Side Branch as a Novel Predictor of Procedural Success in Left Main PCI. J Pers Med 2023; 13:jpm13050791. [PMID: 37240961 DOI: 10.3390/jpm13050791] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2023] [Revised: 04/25/2023] [Accepted: 05/02/2023] [Indexed: 05/28/2023] Open
Abstract
BACKGROUND Stent enhancement techniques allow adequate visualization of stent deformation or incomplete stent expansion at the ostium of the side branch. Measuring the stent enhancement side branch length (SESBL) could reflect procedural success in terms of optimal stent expansion and apposition with better long-term outcomes. A longer SESBL may reflect a better stent apposition at the polygon of confluence and at the side branch (SB) ostium. METHODS We evaluated 162 patients receiving the left main (LM) provisional one-stent technique and measured the SESBL, dividing them into two groups: SESBL≤ 2.0 mm and SESBL > 2.0 mm. RESULTS The mean SESBL was 2.0 ± 1.2 mm. More than half of the bifurcations had both main and side branch lesions (Medina 1-1-1) (84 patients, 51.9%) and the length of the SB disease was 5.2 ±1.8 mm. Kissing balloon inflation (KBI) was performed in 49 patients (30.2%). During follow-up (12 months), there was a significantly higher rate of cardiac death in the SESBL ≤ 2.0 mm group (p = 0.02) but no significant difference in all major adverse cardiovascular events (MACEs) (p = 0.7). KBI did not influence the outcomes (p = 0.3). CONCLUSION Suboptimal SESBL is positively correlated with worse outcomes and SB compromise. This novel sign could aid the LM operator to assess the level of stent expansion at the ostium of the SB in the absence of intracoronary imaging.
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Affiliation(s)
- Ștefan Dan Cezar Moț
- Cardiology Department, Heart Institute Niculae Stăncioiu, 19-21 Motilor Street, 400001 Cluj-Napoca, Romania
- 5th Department of Internal Medicine, Faculty of Medicine, "Iuliu Hatieganu" University of Medicine and Pharmacy, 400012 Cluj-Napoca, Romania
| | - Adela Mihaela Șerban
- Cardiology Department, Heart Institute Niculae Stăncioiu, 19-21 Motilor Street, 400001 Cluj-Napoca, Romania
- 5th Department of Internal Medicine, Faculty of Medicine, "Iuliu Hatieganu" University of Medicine and Pharmacy, 400012 Cluj-Napoca, Romania
| | - Alexandra Dădârlat-Pop
- Cardiology Department, Heart Institute Niculae Stăncioiu, 19-21 Motilor Street, 400001 Cluj-Napoca, Romania
- 5th Department of Internal Medicine, Faculty of Medicine, "Iuliu Hatieganu" University of Medicine and Pharmacy, 400012 Cluj-Napoca, Romania
| | - Raluca Tomoaia
- 5th Department of Internal Medicine, Faculty of Medicine, "Iuliu Hatieganu" University of Medicine and Pharmacy, 400012 Cluj-Napoca, Romania
- Department of Cardiology, Clinical Rehabilitation Hospital, 400347 Cluj-Napoca, Romania
| | - Dana Pop
- 5th Department of Internal Medicine, Faculty of Medicine, "Iuliu Hatieganu" University of Medicine and Pharmacy, 400012 Cluj-Napoca, Romania
- Department of Cardiology, Clinical Rehabilitation Hospital, 400347 Cluj-Napoca, Romania
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Paradies V, Banning A, Cao D, Chieffo A, Daemen J, Diletti R, Hildick-Smith D, Kandzari DE, Kirtane AJ, Mehran R, Park DW, Tarantini G, Smits PC, Van Mieghem NM. Provisional Strategy for Left Main Stem Bifurcation Disease: A State-of-the-Art Review of Technique and Outcomes. JACC Cardiovasc Interv 2023; 16:743-758. [PMID: 37045495 DOI: 10.1016/j.jcin.2022.12.022] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/05/2022] [Revised: 12/05/2022] [Accepted: 12/20/2022] [Indexed: 04/14/2023]
Abstract
Left main coronary artery (LMA) disease jeopardizes a large area of myocardium and increases the risk of major adverse cardiovascular events. LMCA disease is found in 5% to 7% of all diagnostic coronary angiographies, and more than 80% of the patients enrolled in recent large randomized controlled left main trials had distal left main bifurcation or trifurcation disease. Emerging clinical evidence from prospective all-comer registries and randomized trials has provided a solid basis for percutaneous coronary intervention as a treatment option in selected patients with unprotected LMCA disease; however, to date, no uniform recommendations as to optimal stenting strategy for LMCA bifurcation lesions exist. This review provides an overview of provisional stenting technique and escalation to 2-stent strategies in LMCA bifurcation lesions. Data from randomized controlled trials and registries are reviewed. Technical characteristics of optimal provisional LMCA stenting technique and angiographic and intravascular determinants of escalation are also summarized.
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Affiliation(s)
- Valeria Paradies
- Department of Cardiology, Maasstad Hospital, Rotterdam, the Netherlands; Department of Cardiology, Erasmus University Medical Center, Thoraxcenter, Rotterdam, the Netherlands
| | - Adrian Banning
- Oxford Heart Centre, NIHR Biomedical Research Centre, Oxford University Hospitals, Oxford, United Kingdom; Acute Vascular Imaging Centre, Radcliffe Department of Medicine, University of Oxford, Oxford, United Kingdom
| | - Davide Cao
- Icahn School of Medicine at Mount Sinai, New York, New York, USA; Cardio Center, Humanitas Research Hospital IRCCS, Milan, Italy
| | - Alaide Chieffo
- Interventional Cardiology Unit, IRCCS San Raffaele Scientific Institute, Milan, Italy
| | - Joost Daemen
- Department of Cardiology, Erasmus University Medical Center, Thoraxcenter, Rotterdam, the Netherlands
| | - Roberto Diletti
- Department of Cardiology, Erasmus University Medical Center, Thoraxcenter, Rotterdam, the Netherlands
| | - David Hildick-Smith
- Brighton and Sussex University Hospitals NHS Trust, Brighton, United Kingdom
| | | | - Ajay J Kirtane
- Columbia University Irving Medical Center/NewYork-Presbyterian Hospital, New York, New York, USA; Cardiovascular Research Foundation, New York, New York, USA
| | - Roxana Mehran
- Icahn School of Medicine at Mount Sinai, New York, New York, USA
| | - Duk-Woo Park
- Division of Cardiology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Republic of Korea
| | - Giuseppe Tarantini
- Department of Cardiac, Thoracic and Vascular Sciences, University of Padua, Padova, Italy
| | - Pieter C Smits
- Department of Cardiology, Maasstad Hospital, Rotterdam, the Netherlands
| | - Nicolas M Van Mieghem
- Department of Cardiology, Erasmus University Medical Center, Thoraxcenter, Rotterdam, the Netherlands.
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Murasato Y, Meno K, Mori T, Tanenaka K. Impact of coronary bifurcation angle on the pathogenesis of atherosclerosis and clinical outcome of coronary bifurcation intervention–A scoping review. PLoS One 2022; 17:e0273157. [PMID: 35976920 PMCID: PMC9385039 DOI: 10.1371/journal.pone.0273157] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2022] [Accepted: 08/03/2022] [Indexed: 12/03/2022] Open
Abstract
Background A coronary bifurcation stenting is still a challenging issue due to frequent restenosis and stent thrombosis even with drug-eluting stents. The bifurcation angle (BA) between a main vessel and a side branch is one of the crucial determinants of coronary flow and shear stress that affect the plaque distribution. Previous bench and clinical studies have evaluated the impact of the BA between the proximal main vessel and the side branch (Angle A) and the BA between the distal main vessel and the side branch (Angle B) on the clinical outcomes of bifurcation stenting. However, the impact has not yet been fully elucidated due to a lack of statistical power or different manner of the assessment of BA. Objectives To analyze the published studies on coronary artery BA, the modalities used for assessment, and the impact of BA on interventions and attempt to define the pre-procedural protocols. Data sources A scoping review was performed using the Joanna Briggs Institute Methodology. A total of 52 relevant references were selected from PubMed, Cochrane Library, and CINAHL databases and categorized into three topic areas. Results and conclusions A wider Angle A is associated with the increased likelihood of carina shift and a wider Angle B, with that of side branch occlusion. A wider Angle B promotes stent malapposition and deformation in the side branch ostium and has been reported as an independent predictor of major adverse cardiac events after bifurcation stenting; however, improvement of the drug-eluting stent, refinement of the stenting technique, and accurate 3-dimensional assessment may attenuate the adverse clinical impact of a wider BA. Implications of key findings Assessment of the BA is necessary to predict the effect of bifurcation intervention procedure on the stent configuration and coronary flow at the bifurcated vessels. This will help to optimize stent selection and the stenting technique.
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Affiliation(s)
- Yoshinobu Murasato
- Department of Cardiology, Clinical Research Institute, National Hospital Organization Kyushu Medical Center, Fukuoka, Japan
- * E-mail:
| | - Kyohei Meno
- Department of Cardiology, Clinical Research Institute, National Hospital Organization Kyushu Medical Center, Fukuoka, Japan
| | - Takahiro Mori
- Department of Cardiology, Clinical Research Institute, National Hospital Organization Kyushu Medical Center, Fukuoka, Japan
| | - Katsuhiko Tanenaka
- Department of Cardiology, Clinical Research Institute, National Hospital Organization Kyushu Medical Center, Fukuoka, Japan
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Mizuno Y, Sakakura K, Jinnouchi H, Taniguchi Y, Tsukui T, Watanabe Y, Yamamoto K, Seguchi M, Wada H, Fujita H. Impact of rotational atherectomy on the incidence of side branch compromise in calcified bifurcation lesions undergoing elective percutaneous coronary intervention. J Cardiol 2022; 80:518-524. [PMID: 35882614 DOI: 10.1016/j.jjcc.2022.07.004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/11/2022] [Revised: 06/30/2022] [Accepted: 07/02/2022] [Indexed: 11/27/2022]
Abstract
BACKGROUND Percutaneous coronary intervention (PCI) to the calcified bifurcation lesion is still a challenging issue even for experienced interventional cardiologists. In such bifurcation lesions, side branch compromise caused by carina-shift or plaque shift just following stent implantation or balloon dilatation is one of the most important complications. It remains unclear whether rotational atherectomy (RA) to the main vessel reduces the incidence of side branch compromise in the calcified bifurcation lesions. The aim of this retrospective study was to compare the incidence of side branch compromise/occlusion between PCI with versus without RA. METHODS This was a retrospective, single-center study. Side branch compromise/occlusion was defined as final Thrombolysis in Myocardial Infarction flow grade of side branch ≤2/≤1. We included 302 calcified bifurcation lesions, and divided those into the RA group (n = 140) and the non-RA group (n = 162) according to use of RA to the main vessel. RESULTS The incidence of side branch compromise/occlusion was significantly less in the RA group than in the non-RA group (compromise: 6.4 % versus 14.2 %, p = 0.038; occlusion: 3.6 % versus 10.5 %, p = 0.017). RA was inversely associated with the incidence of side branch compromise [odds ratio (OR) 0.272, 95 % confidence interval (CI) 0.096-0.772, p = 0.014] and occlusion (OR 0.175, 95 % CI 0.049-0.628, p = 0.008). CONCLUSIONS RA to the main vessel was associated with a lower incidence of side branch compromise/occlusion. RA to the main vessel only may be a reasonable approach to reduce the risk of side branch compromise/occlusion in calcified bifurcation lesions.
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Affiliation(s)
- Yusuke Mizuno
- Division of Cardiovascular Medicine, Saitama Medical Center, Jichi Medical University, Saitama, Japan
| | - Kenichi Sakakura
- Division of Cardiovascular Medicine, Saitama Medical Center, Jichi Medical University, Saitama, Japan.
| | - Hiroyuki Jinnouchi
- Division of Cardiovascular Medicine, Saitama Medical Center, Jichi Medical University, Saitama, Japan
| | - Yousuke Taniguchi
- Division of Cardiovascular Medicine, Saitama Medical Center, Jichi Medical University, Saitama, Japan
| | - Takunori Tsukui
- Division of Cardiovascular Medicine, Saitama Medical Center, Jichi Medical University, Saitama, Japan
| | - Yusuke Watanabe
- Division of Cardiovascular Medicine, Saitama Medical Center, Jichi Medical University, Saitama, Japan
| | - Kei Yamamoto
- Division of Cardiovascular Medicine, Saitama Medical Center, Jichi Medical University, Saitama, Japan
| | - Masaru Seguchi
- Division of Cardiovascular Medicine, Saitama Medical Center, Jichi Medical University, Saitama, Japan
| | - Hiroshi Wada
- Division of Cardiovascular Medicine, Saitama Medical Center, Jichi Medical University, Saitama, Japan
| | - Hideo Fujita
- Division of Cardiovascular Medicine, Saitama Medical Center, Jichi Medical University, Saitama, Japan
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Multiscale agent-based modeling of restenosis after percutaneous transluminal angioplasty: Effects of tissue damage and hemodynamics on cellular activity. Comput Biol Med 2022; 147:105753. [DOI: 10.1016/j.compbiomed.2022.105753] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2021] [Revised: 04/13/2022] [Accepted: 05/13/2022] [Indexed: 11/17/2022]
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Patient-specific computational simulation of coronary artery bifurcation stenting. Sci Rep 2021; 11:16486. [PMID: 34389748 PMCID: PMC8363606 DOI: 10.1038/s41598-021-95026-2] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2020] [Accepted: 07/16/2021] [Indexed: 01/09/2023] Open
Abstract
Patient-specific and lesion-specific computational simulation of bifurcation stenting is an attractive approach to achieve individualized pre-procedural planning that could improve outcomes. The objectives of this work were to describe and validate a novel platform for fully computational patient-specific coronary bifurcation stenting. Our computational stent simulation platform was trained using n = 4 patient-specific bench bifurcation models (n = 17 simulations), and n = 5 clinical bifurcation cases (training group, n = 23 simulations). The platform was blindly tested in n = 5 clinical bifurcation cases (testing group, n = 29 simulations). A variety of stent platforms and stent techniques with 1- or 2-stents was used. Post-stenting imaging with micro-computed tomography (μCT) for bench group and optical coherence tomography (OCT) for clinical groups were used as reference for the training and testing of computational coronary bifurcation stenting. There was a very high agreement for mean lumen diameter (MLD) between stent simulations and post-stenting μCT in bench cases yielding an overall bias of 0.03 (− 0.28 to 0.34) mm. Similarly, there was a high agreement for MLD between stent simulation and OCT in clinical training group [bias 0.08 (− 0.24 to 0.41) mm], and clinical testing group [bias 0.08 (− 0.29 to 0.46) mm]. Quantitatively and qualitatively stent size and shape in computational stenting was in high agreement with clinical cases, yielding an overall bias of < 0.15 mm. Patient-specific computational stenting of coronary bifurcations is a feasible and accurate approach. Future clinical studies are warranted to investigate the ability of computational stenting simulations to guide decision-making in the cardiac catheterization laboratory and improve clinical outcomes.
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Helou B, Bel-Brunon A, Dupont C, Ye W, Silvestro C, Rochette M, Lucas A, Kaladji A, Haigron P. Influence of balloon design, plaque material composition, and balloon sizing on acute post angioplasty outcomes: An implicit finite element analysis. INTERNATIONAL JOURNAL FOR NUMERICAL METHODS IN BIOMEDICAL ENGINEERING 2021; 37:e3499. [PMID: 33998779 DOI: 10.1002/cnm.3499] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/20/2020] [Accepted: 05/08/2021] [Indexed: 06/12/2023]
Abstract
In this work we propose a generic modeling approach for simulating percutaneous transluminal angioplasty (PTA) endovascular treatment, and evaluating the influence of balloon design, plaque composition, and balloon sizing on acute post-procedural outcomes right after PTA, without stent implantation. Clinically-used PTA balloons were classified into two categories according to their compliance characteristics, and were modeled correspondingly. Self-defined elastoplastic constitutive laws were implemented within the plaque and artery models, after calibration based on experimental and clinical data. Finite element method (FEM) implicit solver was used to simulate balloon inflation and deflation. Besides balloon profile at max inflation, results are mainly assessed in terms of the elastic recoil ratio (ERR) and lumen gain ratio (LGR) obtained immediately after PTA. No variations in ERR nor LGR values were detected when the balloon design changed, despite the differences observed in their profile at max inflation. Moreover, LGR and ERR inversely varied with the augmentation of calcification level within the plaque (-11% vs. +4% respectively, from fully lipidic to fully calcified plaque). Furthermore, results showed a direct correlation between balloon sizing and LGR and ERR, with noticeably higher rates of change for LGR (+18% and +2% for LGR and ERR respectively for a calcified plaque and a balloon pressure increasing from 10 to 14 atm). However a larger LGR comes with a higher risk of arterial rupture. This proposed methodology opens the way for evaluation of angioplasty balloon selections towards clinical procedure optimization.
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Affiliation(s)
- Bernard Helou
- Univ Rennes, CHU Rennes, Inserm, LTSI - UMR 1099, Rennes, France
| | - Aline Bel-Brunon
- Univ Lyon, INSA-Lyon, CNRS UMR5259, LaMCoS, Villeurbanne, France
| | - Claire Dupont
- Univ Rennes, CHU Rennes, Inserm, LTSI - UMR 1099, Rennes, France
| | | | - Claudio Silvestro
- Medtronic, Aortic Peripheral & Venous (APV) Group, Santa Rosa, California, USA
| | | | - Antoine Lucas
- Univ Rennes, CHU Rennes, Inserm, LTSI - UMR 1099, Rennes, France
| | - Adrien Kaladji
- Univ Rennes, CHU Rennes, Inserm, LTSI - UMR 1099, Rennes, France
| | - Pascal Haigron
- Univ Rennes, CHU Rennes, Inserm, LTSI - UMR 1099, Rennes, France
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Rigatelli G, Zuin M, Chiastra C, Burzotta F. Biomechanical Evaluation of Different Balloon Positions for Proximal Optimization Technique in Left Main Bifurcation Stenting. CARDIOVASCULAR REVASCULARIZATION MEDICINE 2020; 21:1533-1538. [PMID: 32473906 DOI: 10.1016/j.carrev.2020.05.028] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2020] [Revised: 05/19/2020] [Accepted: 05/19/2020] [Indexed: 11/25/2022]
Abstract
BACKGROUND Proximal optimization technique (POT) is a key step during left main (LM) bifurcation stenting. However, after crossover stenting, the ideal position of POT balloon is unclear. We sought to evaluate the biomechanical impact of different POT balloon positions during LM cross-over stenting procedure. METHODS We reconstructed the patient-specific LM bifurcation anatomy, using coronary computed tomography angiography data of 5 consecutive patients (3 males, mean age 66.3 ± 21.6 years) with complex LM bifurcation disease, defined as Medina 1,1,1, evaluated between 1st January 2018 to 1st June 2018 at our center. Finite element analyses were carried out to virtually perform the stenting procedure. POT was virtually performed in a mid (marker just at the carina cut plane), proximal (distal marker 1 mm before the carina) and distal (distal marker 1 mm after the carina) position in each investigated case. Final left circumflex obstruction (SBO%), strut malapposition, elliptical ratio and stent malapposition were evaluated. RESULTS The use of both proximal and distal POT resulted in a smaller LM diameter compared to the mid POT. SBO was significantly higher in both proximal and distal configurations compared to mid POT: 38.3 ± 5.1 and 29.3 ± 3.1 versus 18.3 ± 3.6%, respectively. Similarly stent malapposition was higher in both proximal and distal configurations compared to mid POT: 1.3 ± 0.4 and 0.82 ± 1.8 versus 0.78 ± 1.2, respectively. CONCLUSIONS Mid POT offers the best results in terms of LCx opening maintaining slightly smaller but still acceptable LM and LAD diameters compared to alternative POT configuration.
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Affiliation(s)
- Gianluca Rigatelli
- Cardiovascular Diagnosis and Endoluminal Interventions Unit, Rovigo General Hospital, Rovigo, Italy.
| | - Marco Zuin
- Cardiovascular Diagnosis and Endoluminal Interventions Unit, Rovigo General Hospital, Rovigo, Italy; University of Ferrara, School of Medicine, Ferrara, Italy
| | - Claudio Chiastra
- PoliTo(BIO)Med Lab, Department of Mechanical and Aerospace Engineering, Politecnico di Torino, Turin, Italy
| | - Francesco Burzotta
- Fondazione Policlinico Universitario A, Gemelli IRCCS, Università Cattolica del Sacro Cuore, Rome, Italy
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Hakim D, Chatterjee A, Alli O, Turner J, Sattar A, Foin N, Leesar MA. Role of Proximal Optimization Technique Guided by Intravascular Ultrasound on Stent Expansion, Stent Symmetry Index, and Side-Branch Hemodynamics in Patients With Coronary Bifurcation Lesions. Circ Cardiovasc Interv 2018; 10:CIRCINTERVENTIONS.117.005535. [PMID: 29038225 DOI: 10.1161/circinterventions.117.005535] [Citation(s) in RCA: 30] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/24/2017] [Accepted: 08/29/2017] [Indexed: 12/16/2022]
Abstract
BACKGROUND Bench models of coronary bifurcation lesions demonstrated that the proximal optimization technique (POT) expanded the stent and opened the side branch (SB). We investigated the role of POT guided by intravascular ultrasound on the main vessel (MV) stent expansion and SB fractional flow reserve (FFR) in patients with coronary bifurcation lesion. METHODS AND RESULTS In 40 patients with coronary bifurcation lesion, 120 intravascular ultrasound examinations of the MV were performed at baseline, after MV stenting, and POT followed by 95 FFR measurements of the SB. In the proximal stent segment, stent volume index and minimum stent area were larger after POT versus MV stenting (9.2±3.4 versus 7.40±2.0 mm3/mm and 7.65±1.8 versus 6.38±1.7 mm2, respectively; P<0.01). In the bifurcation segment, minimum stent area was larger after POT versus MV stenting (6.45±2.1 versus 5.9±2.0 mm2, respectively; P<0.05). POT expanded the stent symmetrically. After POT, SB FFR was <0.75 in 12 patients (30%), which improved to >0.75 after SB dilation or SB stenting+final POT. SB FFR was significantly higher after POT+SB dilation or SB stenting+final POT versus after MV stenting and POT. CONCLUSIONS This is the first study of POT guided by intravascular ultrasound in patients with coronary bifurcation lesion, demonstrating that POT symmetrically expanded the proximal and bifurcation segments of the stent. After POT, SB FFR was <0.75 in a third of patients, which improved to >0.75 after SB dilation or SB stenting+final POT.
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Affiliation(s)
- Diaa Hakim
- From the Division of Cardiology, University of Alabama at Birmingham (D.H., A.C., O.A., J.T., A.S., M.A.L.); Suez Canal University, Ismailia, Egypt (D.H.); and Medtech Research Theme, National Heart Centre Singapore and Duke-NUS Medical School (N.F.)
| | - Arka Chatterjee
- From the Division of Cardiology, University of Alabama at Birmingham (D.H., A.C., O.A., J.T., A.S., M.A.L.); Suez Canal University, Ismailia, Egypt (D.H.); and Medtech Research Theme, National Heart Centre Singapore and Duke-NUS Medical School (N.F.)
| | - Olusuen Alli
- From the Division of Cardiology, University of Alabama at Birmingham (D.H., A.C., O.A., J.T., A.S., M.A.L.); Suez Canal University, Ismailia, Egypt (D.H.); and Medtech Research Theme, National Heart Centre Singapore and Duke-NUS Medical School (N.F.)
| | - Joshua Turner
- From the Division of Cardiology, University of Alabama at Birmingham (D.H., A.C., O.A., J.T., A.S., M.A.L.); Suez Canal University, Ismailia, Egypt (D.H.); and Medtech Research Theme, National Heart Centre Singapore and Duke-NUS Medical School (N.F.)
| | - Assad Sattar
- From the Division of Cardiology, University of Alabama at Birmingham (D.H., A.C., O.A., J.T., A.S., M.A.L.); Suez Canal University, Ismailia, Egypt (D.H.); and Medtech Research Theme, National Heart Centre Singapore and Duke-NUS Medical School (N.F.)
| | - Nicolas Foin
- From the Division of Cardiology, University of Alabama at Birmingham (D.H., A.C., O.A., J.T., A.S., M.A.L.); Suez Canal University, Ismailia, Egypt (D.H.); and Medtech Research Theme, National Heart Centre Singapore and Duke-NUS Medical School (N.F.)
| | - Massoud A Leesar
- From the Division of Cardiology, University of Alabama at Birmingham (D.H., A.C., O.A., J.T., A.S., M.A.L.); Suez Canal University, Ismailia, Egypt (D.H.); and Medtech Research Theme, National Heart Centre Singapore and Duke-NUS Medical School (N.F.).
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10
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Biomechanical Impact of Wrong Positioning of a Dedicated Stent for Coronary Bifurcations: A Virtual Bench Testing Study. Cardiovasc Eng Technol 2018; 9:415-426. [DOI: 10.1007/s13239-018-0359-9] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/23/2018] [Accepted: 05/01/2018] [Indexed: 10/16/2022]
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11
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Morris PD, Iqbal J, Chiastra C, Wu W, Migliavacca F, Gunn JP. Simultaneous kissing stents to treat unprotected left main stem coronary artery bifurcation disease; stent expansion, vessel injury, hemodynamics, tissue healing, restenosis, and repeat revascularization. Catheter Cardiovasc Interv 2018; 92:E381-E392. [PMID: 29693768 PMCID: PMC6283044 DOI: 10.1002/ccd.27640] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/12/2017] [Revised: 03/01/2018] [Accepted: 03/27/2018] [Indexed: 01/09/2023]
Abstract
Objectives To perform detailed analysis of stent expansion, vessel wall stress, hemodynamics, re‐endothelialization, restenosis, and repeat PCI in the simultaneous kissing stents (SKS) technique of bifurcation left main stem (LMS) stenting. Background The SKS technique is useful to treat patients with true bifurcation disease of the LMS but remains controversial. Methods and Results Computational structural analysis of SKS expansion demonstrated undistorted and evenly expanded stents. Computational fluid dynamics modelling revealed largely undisturbed blood flow. 239 PCI procedures were performed on 217 patients with unprotected bifurcation LMS disease with SKS using DES (2004‐2017). We electively studied 13 stable patients from baseline to 10 years post‐SKS with repeat angiography and optical coherence tomography, and demonstrated tissue coverage of the stent struts at the carina, with no evidence of lacunae behind the stents. We studied all patients with symptomatic recurrence. Target lesion revascularization rate was 3.2% at 1 year and 4.6% at 2 years. Of all 20 patients with restenosis, the site was the LMS‐Cx stent in 7, the LMS‐LAD stent in 2 and both in 11. Two‐year recurrence rate was 7/32 (5.3%) for first, and 4/108 (3.7%) for second generation DES. Treatment with repeat kissing techniques was undertaken in 19/20, with sustained clinical results with re‐SKS. Conclusion The SKS technique for treating unprotected LMS bifurcation disease does not distort the stents, is associated with favorable hemodynamics, tissue coverage of the exposed struts, and a low restenosis rate when performed with contemporary stents. Re‐PCI with repeat SKS appears feasible, safe, and durable.
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Affiliation(s)
- Paul D Morris
- Department of Cardiology, Sheffield Teaching Hospitals NHS Foundation Trust, Sheffield, United Kingdom.,Department of Infection, Immunity and Cardiovascular Disease, University of Sheffield, Sheffield, United Kingdom.,Insigneo Institute for In Silico Medicine, Sheffield, United Kingdom
| | - Javaid Iqbal
- Department of Cardiology, Sheffield Teaching Hospitals NHS Foundation Trust, Sheffield, United Kingdom
| | - Claudio Chiastra
- Laboratory of Biological Structure Mechanics (LaBS), Department of Chemistry Materials and Chemical Engineering "Giulio Natta", Politecnico di Milano, Milan, Italy
| | - Wei Wu
- Laboratory of Biological Structure Mechanics (LaBS), Department of Chemistry Materials and Chemical Engineering "Giulio Natta", Politecnico di Milano, Milan, Italy.,Department of Mechanical Engineering, University of Texas at San Antonio, San Antonio, Texas
| | - Francesco Migliavacca
- Laboratory of Biological Structure Mechanics (LaBS), Department of Chemistry Materials and Chemical Engineering "Giulio Natta", Politecnico di Milano, Milan, Italy
| | - Julian P Gunn
- Department of Cardiology, Sheffield Teaching Hospitals NHS Foundation Trust, Sheffield, United Kingdom.,Department of Infection, Immunity and Cardiovascular Disease, University of Sheffield, Sheffield, United Kingdom.,Insigneo Institute for In Silico Medicine, Sheffield, United Kingdom
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