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Hamaya R, Yonetsu T, Sayama K, Matsuda K, Ueno H, Nagamine T, Misawa T, Hada M, Hoshino M, Sugiyama T, Sasano T, Kakuta T. Robust Association Between Changes in Coronary Flow Capacity Following Percutaneous Coronary Intervention and Vessel-Oriented Outcomes and the Implication for Clinical Practice. Front Cardiovasc Med 2022; 9:901941. [PMID: 35783845 PMCID: PMC9240228 DOI: 10.3389/fcvm.2022.901941] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2022] [Accepted: 05/18/2022] [Indexed: 11/17/2022] Open
Abstract
Background Coronary flow capacity (CFC) is a potentially important physiologic marker of ischemia for guiding percutaneous coronary intervention (PCI) indication, while the changes through PCI have not been investigated. Objectives To assess the determinants and prognostic implication of delta CFC, defined as the change in the CFC status following PCI. Materials and Methods From a single-center registry, a total of 450 patients with chronic coronary syndrome (CCS) who underwent fractional flow reserve (FFR)-guided PCI with pre-/post-PCI invasive coronary physiological assessments were included. Associations between PCI-related changes in thermodilution method-derived CFC categories and incident target vessel failure (TVF) were assessed. Results The mean (SD) age was 67.1 (10.0) years and there were 75 (16.7%) women. Compared with patients showing no change in CFC categories after PCI, patients with category worsened, +1, +2, and +3 category improved had the hazard ratio (95% CI) for incident TVF of 2.27 (0.95, 5.43), 0.85 (0.33, 2.22), 0.45 (0.12, 1.63), and 0.14 (0.016, 1.30), respectively (p for linear trends = 0.0051). After adjustment for confounders, one additional change in CFC status was associated with 0.61 (0.45, 0.83) times the hazard of TVF. CFC changes were largely predicted by the pre-PCI CFC status. Conclusion Coronary flow capacity changes following PCI, which was largely determined by the pre-PCI CFC status, were associated with the lower risk of incident TVF in patients with CCS who underwent PCI. The CFC changes provide a mechanistic explanation on potential favorable effect of PCI on reducing vessel-oriented outcome in lesions with reduced CFC and low FFR.
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Affiliation(s)
- Rikuta Hamaya
- Division of Preventive Medicine, Department of Medicine, Brigham and Women’s Hospital and Harvard Medical School, Boston, MA, United States
- Department of Epidemiology, Harvard T.H. Chan School of Public Health, Boston, MA, United States
- *Correspondence: Rikuta Hamaya,
| | - Taishi Yonetsu
- Department of Cardiology, Tokyo Medical and Dental University, Tokyo, Japan
| | - Kodai Sayama
- Department of Cardiology, Tsuchiura Kyodo General Hospital, Tsuchiura, Japan
| | - Kazuki Matsuda
- Department of Cardiology, Tsuchiura Kyodo General Hospital, Tsuchiura, Japan
| | - Hiroki Ueno
- Department of Cardiology, Tsuchiura Kyodo General Hospital, Tsuchiura, Japan
| | - Tatsuhiro Nagamine
- Department of Cardiology, Tsuchiura Kyodo General Hospital, Tsuchiura, Japan
| | - Toru Misawa
- Department of Cardiology, Tsuchiura Kyodo General Hospital, Tsuchiura, Japan
| | - Masahiro Hada
- Department of Cardiology, Tokyo Medical and Dental University, Tokyo, Japan
| | - Masahiro Hoshino
- Department of Cardiology, Tsuchiura Kyodo General Hospital, Tsuchiura, Japan
| | - Tomoyo Sugiyama
- Department of Cardiology, Tsuchiura Kyodo General Hospital, Tsuchiura, Japan
| | - Tetsuo Sasano
- Department of Cardiology, Tokyo Medical and Dental University, Tokyo, Japan
| | - Tsunekazu Kakuta
- Department of Cardiology, Tsuchiura Kyodo General Hospital, Tsuchiura, Japan
- Tsunekazu Kakuta,
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2
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Hamaya R, van de Hoef TP, Lee JM, Hoshino M, Kanaji Y, Murai T, Boerhout CKM, de Waard GA, Jung JH, Lee SH, Mejia Renteria H, Echavarria-Pinto M, Meuwissen M, Matsuo H, Madera-Cambero M, Eftekhari A, Effat MA, Marques K, Doh JH, Christiansen EH, Banerjee R, Nam CW, Niccoli G, Nakayama M, Tanaka N, Shin ES, Sasano T, Chamuleau SAJ, Knaapen P, Escaned J, Koo BK, Piek JJ, Kakuta T. Differential Impact of Coronary Revascularization on Long-Term Clinical Outcome According to Coronary Flow Characteristics: Analysis of the International ILIAS Registry. Circ Cardiovasc Interv 2022; 15:e011948. [PMID: 35603622 DOI: 10.1161/circinterventions.121.011948] [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] [Indexed: 11/16/2022]
Abstract
BACKGROUND Coronary pressure indices such as fractional flow reserve are the standard for guiding elective revascularization. However, considering additional coronary flow parameters could further individualize and optimize the decision on revascularization. We aimed to investigate the potentially differential prognostic associations of elective percutaneous coronary intervention (PCI) according to coronary flow properties represented by coronary flow reserve (CFR), coronary flow capacity (CFC), and baseline CFC (bCFC). METHODS From the ILIAS Registry (Inclusive Invasive Physiological Assessment in Angina Syndromes) composed of 16 hospitals globally from 7 countries, patients with obstructive coronary artery disease who underwent invasive coronary physiological assessment were included (N=2370 vessels). We assessed effect measure modifications of the association of PCI and 5-year target vessel failure according to CFR, CFC, and bCFC either assessed by Doppler-technique or thermodilution-method. RESULTS The mean age of the population was 63.3 years, and there were 1322 (73.6%) males. Median fractional flow reserve was 0.85, and PCI was performed in 600 (25.3%) vessels. Reduced CFR, CFC, and abnormal bCFC were defined in 988 (41.7%), 542 (22.9%), and 600 (25.3%) vessels, respectively. Significant effect measure modifications were observed by CFC either in odds ratio (P=0.0018), additive (P=0.029), and hazard ratio scale (P=0.0002). The absolute risk of 5-year target-vessel failure was higher if treated by PCI in vessels with normal CFC by 1.8 (-1.7 to 5.3) percent, while that was lower by -5.9 (-12 to -0.1) percent in those with reduced CFC. CFR and bCFC were not significant effect modifiers in any scales. Similar associations were observed in per-patient analyses, whereas the findings were less robust. CONCLUSIONS We observed qualitative effect measure modification of PCI and 5-year clinical outcomes according to CFC status in additive scale. CFR and bCFC were not robust effect modifiers. Therefore, CFC could be potentially used to optimize the patient selection for elective PCI treatment combined with fractional flow reserve.
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Affiliation(s)
- Rikuta Hamaya
- Division of Preventive Medicine, Department of Medicine, Brigham and Women's Hospital and Harvard Medical School, Boston, MA (R.H.).,Department of Epidemiology, Harvard T.H. Chan School of Public Health, Boston, MA (R.H.)
| | - Tim P van de Hoef
- Department of Cardiology, Amsterdam UMC - location AMC, the Netherlands (T.P.v.d.H., C.K.M.B., S.A.J.C., J.J.P.).,Department of Cardiology, Amsterdam UMC - location VUmc, Amsterdam, the Netherlands (T.P.v.d.H., K.M., S.A.J.C., P.K.).,Department of Cardiology, NoordWest Ziekenhuisgroep, the Netherlands (T.P.v.d.H., G.A.d.W.)
| | - Joo Myung Lee
- Samsung Medical Center, Sungkyunkwan University School of Medicine, Division of Cardiology, Department of Medicine, Heart Vascular Stroke Institute, Seoul, Republic of Korea (J.M.L.)
| | - Masahiro Hoshino
- Department of Cardiology, Tsuchiura Kyodo General Hospital, Japan (M.H., Y.K., T.K.)
| | - Yoshihisa Kanaji
- Department of Cardiology, Tsuchiura Kyodo General Hospital, Japan (M.H., Y.K., T.K.)
| | - Tadashi Murai
- Cardiovascular Center, Yokosuka Kyosai Hospital, Japan (T.M.)
| | - Coen K M Boerhout
- Department of Cardiology, Amsterdam UMC - location AMC, the Netherlands (T.P.v.d.H., C.K.M.B., S.A.J.C., J.J.P.)
| | - Guus A de Waard
- Department of Cardiology, NoordWest Ziekenhuisgroep, the Netherlands (T.P.v.d.H., G.A.d.W.)
| | - Ji-Hyun Jung
- Sejong General Hospital, Sejong Heart Institute, Bucheon, Korea (J.-H.J.)
| | - Seung Hun Lee
- Division of Cardiology, Department of Internal Medicine, Chonnam National University Hospital, Gwangju, Korea (S.H.L.)
| | - Hernan Mejia Renteria
- Hospital Clínico San Carlos, IDISSC, and Universidad Complutense de Madrid, Spain (H.M.R., J.E.)
| | - Mauro Echavarria-Pinto
- Hospital General ISSSTE Querétaro - Facultad de Medicina, Universidad Autónoma de Querétaro, México (M.E.-P.)
| | - Martijn Meuwissen
- Division of Preventive Medicine, Department of Medicine, Brigham and Women's Hospital and Harvard Medical School, Boston, MA (R.H.)
| | - Hitoshi Matsuo
- Department of Cardiovascular Medicine, Gifu Heart Center, Japan (H.M., M.N.)
| | | | - Ashkan Eftekhari
- Department of Cardiology, Aarhus University Hospital, Denmark (A.E., E.H.C.)
| | - Mohamed A Effat
- Division of Cardiovascular Health and Diseases, Department of Internal Medicine (M.A.E.), University of Cincinnati, OH
| | - Koen Marques
- Department of Cardiology, Amsterdam UMC - location VUmc, Amsterdam, the Netherlands (T.P.v.d.H., K.M., S.A.J.C., P.K.)
| | - Joon-Hyung Doh
- Department of Medicine, Keimyung University Dongsan Medical Center, Daegu, South Korea (J.-H.D.)
| | | | - Rupak Banerjee
- Mechanical and Materials Engineering Department (R.B.), University of Cincinnati, OH.,Research Services, Veteran Affairs Medical Center, Cincinnati, OH (R.B.)
| | - Chang-Wook Nam
- Department of Medicine, Inje University Ilsan Paik Hospital, Goyang, South Korea (C.-W.N.)
| | - Giampaolo Niccoli
- Catholic University of the Sacred Heart, Department of Cardiovascular Medicine, Institute of Cardiology, Rome, Italy (G.N.)
| | - Masafumi Nakayama
- Department of Cardiovascular Medicine, Gifu Heart Center, Japan (H.M., M.N.).,Toda Central General Hospital, Cardiovascular Center, Japan (M.N.)
| | - Nobuhiro Tanaka
- Department of Cardiology, Tokyo Medical University Hachioji Medical Center, Japan (N.T.)
| | - Eun-Seok Shin
- Department of Cardiology, Ulsan University Hospital, University of Ulsan College of Medicine, South Korea (E.-S.S.)
| | - Tetsuo Sasano
- Department of Cardiology, Tokyo Medical and Dental University, Japan (T.S.)
| | - Steven A J Chamuleau
- Department of Cardiology, Amsterdam UMC - location AMC, the Netherlands (T.P.v.d.H., C.K.M.B., S.A.J.C., J.J.P.).,Department of Cardiology, Amsterdam UMC - location VUmc, Amsterdam, the Netherlands (T.P.v.d.H., K.M., S.A.J.C., P.K.)
| | - Paul Knaapen
- Department of Cardiology, Amsterdam UMC - location VUmc, Amsterdam, the Netherlands (T.P.v.d.H., K.M., S.A.J.C., P.K.)
| | - Javier Escaned
- Hospital Clínico San Carlos, IDISSC, and Universidad Complutense de Madrid, Spain (H.M.R., J.E.)
| | - Bon Kwon Koo
- Department of Internal Medicine, Cardiovascular Center, Seoul National University Hospital, Republic of Korea (B.K.K.)
| | - Jan J Piek
- Department of Cardiology, Amsterdam UMC - location AMC, the Netherlands (T.P.v.d.H., C.K.M.B., S.A.J.C., J.J.P.)
| | - Tsunekazu Kakuta
- Department of Cardiology, Tsuchiura Kyodo General Hospital, Japan (M.H., Y.K., T.K.)
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3
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FFR=1.0 flow changes after percutaneous coronary intervention. J Cardiol 2020; 77:634-640. [PMID: 33386218 DOI: 10.1016/j.jjcc.2020.12.008] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/17/2020] [Revised: 11/12/2020] [Accepted: 11/30/2020] [Indexed: 11/24/2022]
Abstract
BACKGROUND The present study investigated the relationships between physiological indices and increased coronary flow during percutaneous coronary intervention (PCI) using a novel index of "anticipated maximum flow" [AMF; theoretical coronary flow of fractional flow reserve (FFR) = 1]. FFR-guided PCI aims to increase coronary flow, whereas recent studies have reported that PCI does not necessarily increase coronary flow despite improvement in FFR. METHODS This retrospective analysis was performed in 71 functionally significant lesions treated with elective PCI. AMF obtained by hyperemic average peak coronary flow velocity (h-APV) divided by FFR would not change after PCI given the constant microvascular resistance, which is the assumption of FFR as a surrogate of coronary flow. We evaluated the relationship between AMF and coronary flow during PCI. RESULTS Post-PCI AMF was significantly different from pre-PCI AMF (p = 0.022), which impacted discordance between FFR improvement and change in coronary flow. Coronary flow increase >50% was associated with smaller minimum lumen diameter (p = 0.010), greater diameter stenosis (p = 0.003), lower pre-PCI FFR (p < 0.001), lower pre-PCI coronary flow reserve (p = 0.001), higher pre-PCI hyperemic stenosis resistance (p < 0.001), lower pre-PCI h-APV (p = 0.001), and lower pre-PCI AMF (p = 0.031). Pre-PCI AMF provided significant incremental predictive capability for coronary flow increase >50% when added to the clinical model including pre-PCI FFR. CONCLUSION Pre-PCI AMF provided incremental ability to predict increased coronary flow after PCI and impacted the discordance between FFR improvement and increased coronary flow.
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4
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Sommer KN, Shepard LM, Mitsouras D, Iyer V, Angel E, Wilson MF, Rybicki FJ, Kumamaru KK, Sharma UC, Reddy A, Fujimoto S, Ionita CN. Patient-specific 3D-printed coronary models based on coronary computed tomography angiography volumes to investigate flow conditions in coronary artery disease. Biomed Phys Eng Express 2020; 6:045007. [PMID: 33444268 DOI: 10.1088/2057-1976/ab8f6e] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
BACKGROUND 3D printed patient-specific coronary models have the ability to enable repeatable benchtop experiments under controlled blood flow conditions. This approach can be applied to CT-derived patient geometries to emulate coronary flow and related parameters such as Fractional Flow Reserve (FFR). METHODS This study uses 3D printing to compare such benchtop FFR results with a non-invasive CT-FFR research software algorithm and catheter based invasive FFR (I-FFR) measurements. Fifty-two patients with a clinical indication for I-FFR underwent a research Coronary CT Angiography (CCTA) prior to catheterization. CT images were used to measure CT-FFR and to generate patient-specific 3D printed models of the aortic root and three main coronary arteries. Each patient-specific model was connected to a programmable pulsatile pump and benchtop FFR (B-FFR) was derived from pressures measured proximal and distal to coronary stenosis using pressure transducers. B-FFR was measured for two coronary outflow rates ('normal', 250 ml min-1; and 'hyperemic', 500 ml min-1) by adjusting the model's distal coronary resistance. RESULTS Pearson correlations and ROC AUC were calculated using invasive I-FFR as reference. The Pearson correlation factor of CT-FFR and B-FFR-500 was 0.75 and 0.71, respectively. Areas under the ROCs for CT-FFR and B-FFR-500 were 0.80 (95%CI: 0.70-0.87) and 0.81 (95%CI: 0.64-0.91) respectively. CONCLUSION Benchtop flow simulations with 3D printed models provide the capability to measure pressure changes at any location in the model, for ultimately emulating the FFR at several simulated physiological blood flow conditions. CLINICAL TRIAL REGISTRATION https://clinicaltrials.gov/show/NCT03149042.
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Affiliation(s)
- Kelsey N Sommer
- Department of Biomedical Engineering, University at Buffalo, Buffalo, NY 14228, United States of America. Canon Stroke and Vascular Research Center, University at Buffalo, Buffalo, NY, United States of America
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5
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Gosling RC, Morris PD, Lawford PV, Hose DR, Gunn JP. Personalised fractional flow reserve: a novel concept to optimise myocardial revascularisation. EUROINTERVENTION 2019; 15:707-713. [PMID: 30561366 DOI: 10.4244/eij-d-18-00668] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
Abstract
AIMS Fractional flow reserve (FFR) represents the percentage reduction in coronary flow relative to a hypothetically normal artery; however, percutaneous coronary intervention (PCI) seldom achieves physiological normality (FFR 1.00), particularly in the context of diffuse disease. In this study we describe a method for calculating the vessel-specific maximal achievable FFR (FFRmax) providing a personalised assessment of what PCI can achieve. METHODS AND RESULTS FFR measurements were obtained from 71 patients (100 arteries) undergoing angiography. Three-dimensional (3D) coronary anatomy was reconstructed from angiographic images. An ideal intervention, in which all stenoses are removed, was modelled, and the FFRmax calculated. The "personalised" FFR (FFRpers) was calculated as measured FFR/FFRmax. PCI was performed in 52 vessels and post-PCI FFR measured in 50. FFRmax was compared to post-PCI measured FFRs. The mean FFRmax was 0.92 (±0.04). This was on average 0.04 (±0.05) higher than the corresponding post-PCI measured FFR (p<0.001). FFRpers was significantly higher (0.06±0.04) than measured FFR (p<0.001), indicating that FFR overestimates flow restoration achievable with PCI. CONCLUSIONS A patient's maximal achievable FFR can now be determined prior to PCI. This approach provides a more realistic assessment of the physiological benefit of PCI than is implied by baseline FFR and may prevent unnecessary intervention.
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Affiliation(s)
- Rebecca C Gosling
- Department of Infection, Immunity and Cardiovascular Disease, University of Sheffield, Sheffield, United Kingdom
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6
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Ali N, Patel PA, Malkin CJ. Assessment of coronary physiology - the evidence and implications. Clin Med (Lond) 2019; 19:364-368. [PMID: 31530682 DOI: 10.7861/clinmed.2018-0398] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
Abstract
Use of angiography for the assessment of coronary lesions is limited by its inability to provide information regarding the functional significance of stenoses. A number of studies have demonstrated the presence of ischaemia to be the most important determinant of the benefit associated with coronary revascularisation in stable coronary artery disease. Assessment of intra-coronary physiology can guide percutaneous coronary intervention, and is often used for angiographically borderline stenoses. There is now increasing evidence to suggest that more routine use can improve clinical outcomes. Fractional flow reserve (FFR) is the most established measure of intra-coronary physiology, but is currently under-utilised. The main drawback of FFR is the dependence on a pharmacological infusion to maintain hyperaemia. An alternative technique which measures flow at a specific point in the cardiac cycle (instantaneous wave-free ratio) has been developed which obviates the need for hyperaemia and may replace FFR as the default measure.
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7
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Hamaya R, Kanaji Y, Usui E, Hoshino M, Murai T, Yonetsu T, Kakuta T. Improvement of Fractional Flow Reserve after Percutaneous Coronary Intervention Does Not Necessarily Indicate Increased Coronary Flow. Eur Cardiol 2019; 14:10-12. [PMID: 31131031 PMCID: PMC6523049 DOI: 10.15420/ecr.2018.27.2] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023] Open
Abstract
Coronary flow is expected to increase by epicardial lesion modification after successful percutaneous coronary intervention (PCI) in stable angina. According to the concept of fractional flow reserve (FFR), the improvement in FFR after PCI reflects the extent of coronary flow increase. However, this theory assumes that hyperaemic microvascular resistance does not change after PCI, which is being refuted in recent studies. The authors quantitated regional absolute coronary blood flow (ABF) before and after PCI using a thermodilution method and compared it with FFR in 28 patients with stable coronary artery disease who had undergone successful PCI. Although FFR indicated changes in ABF, with a mean difference of -5.5 ml/min, there was no significant relationship between individual changes in FFR and in ABF (R=0.27, p=0.16). The discrepancy was partly explained by changes in microvascular resistance following PCI. These results suggest that changes in FFR do not necessarily indicate an increase in absolute coronary blood flow following PCI in individual patients, although they could be correlated in a cohort level.
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Affiliation(s)
- Rikuta Hamaya
- Division of Cardiovascular Medicine, Tsuchiura Kyodo General Hospital Ibaraki, Japan
| | - Yoshihisa Kanaji
- Division of Cardiovascular Medicine, Tsuchiura Kyodo General Hospital Ibaraki, Japan
| | - Eisuke Usui
- Division of Cardiovascular Medicine, Tsuchiura Kyodo General Hospital Ibaraki, Japan
| | - Masahiro Hoshino
- Division of Cardiovascular Medicine, Tsuchiura Kyodo General Hospital Ibaraki, Japan
| | - Tadashi Murai
- Division of Cardiovascular Medicine, Tsuchiura Kyodo General Hospital Ibaraki, Japan
| | - Taishi Yonetsu
- Department of Cardiovascular Medicine, Tokyo Medical and Dental University Tokyo, Japan
| | - Tsunekazu Kakuta
- Division of Cardiovascular Medicine, Tsuchiura Kyodo General Hospital Ibaraki, Japan
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8
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High-sensitivity cardiac troponin decrease after percutaneous coronary intervention in patients with stable coronary artery disease. Heart Vessels 2019; 34:948-956. [DOI: 10.1007/s00380-018-01325-6] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/10/2018] [Accepted: 12/21/2018] [Indexed: 01/09/2023]
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9
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Kanaji Y, Yonetsu T, Hamaya R, Murai T, Usui E, Hoshino M, Yamaguchi M, Hada M, Kanno Y, Fukuda T, Ohya H, Sumino Y, Sugano A, Lee T, Hirao K, Kakuta T. Impact of Elective Percutaneous Coronary Intervention on Global Absolute Coronary Flow and Flow Reserve Evaluated by Phase-Contrast Cine-Magnetic Resonance Imaging in Relation to Regional Invasive Physiological Indices. Circ Cardiovasc Interv 2018; 11:e006676. [DOI: 10.1161/circinterventions.118.006676] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/02/2017] [Accepted: 05/31/2018] [Indexed: 11/16/2022]
Abstract
Background:
Few studies have documented changes in global absolute coronary blood flow and global coronary flow reserve after percutaneous coronary intervention (PCI) in relation to regional physiological measures. Phase-contrast cine-magnetic resonance of the coronary sinus is a promising approach to quantify global absolute coronary blood flow. We aimed to assess the impact of elective PCI on global absolute coronary blood flow and global coronary flow reserve by quantifying coronary sinus flow (CSF) using phase-contrast cine-magnetic resonance in relation to regional physiological indices.
Methods and Results:
We prospectively studied 54 patients with stable angina undergoing elective PCI for a single proximal lesion. Phase-contrast cine-magnetic resonance was used to assess CSF and CSF reserve at rest and during maximum hyperemia, before and after PCI. Regional physiological indices were obtained during PCI. A complete data set was obtained in 50 patients. Hyperemic CSF increased significantly after PCI (pre-PCI, 230.2 [167.4–282.8] mL/min; post-PCI, 267.4 [224.1–346.2] mL/min;
P
<0.01), although 12 patients (24.0%) showed a decrease, despite successful PCI and improved fractional flow reserve. CSF reserve numerically, albeit not statistically significant (
P
=0.19), increased from 2.65 (1.95–3.96) to 2.98 (2.13–4.32). Patients with decreased CSF after PCI were associated with significantly greater pre-PCI hyperemic CSF, lower global coronary vascular resistance, lower regional microcirculatory resistance, and higher fractional flow reserve (all
P
<0.01).
Conclusions:
Fractional flow reserve–guided PCI in patients with single de novo lesions was associated with increased absolute hyperemic CSF, although 24% of patients showed decreased hyperemic CSF, despite successful and uncomplicated PCI. The present approach combining regional and global physiological assessments may provide a novel insight into the dynamic behavior of the coronary hemodynamics and microvascular function after PCI.
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Affiliation(s)
- Yoshihisa Kanaji
- Department of Cardiovascular Medicine, Tsuchiura Kyodo General Hospital, Ibaraki, Japan (Y. Kanaji, T.Y., R.H., T.M., E.U., M. Hoshino, M.Y., M. Hada, Y. Kanno, T.F., H.O., Y.S., A.S., T.L., T.K.)
| | - Taishi Yonetsu
- Department of Cardiovascular Medicine, Tsuchiura Kyodo General Hospital, Ibaraki, Japan (Y. Kanaji, T.Y., R.H., T.M., E.U., M. Hoshino, M.Y., M. Hada, Y. Kanno, T.F., H.O., Y.S., A.S., T.L., T.K.)
| | - Rikuta Hamaya
- Department of Cardiovascular Medicine, Tsuchiura Kyodo General Hospital, Ibaraki, Japan (Y. Kanaji, T.Y., R.H., T.M., E.U., M. Hoshino, M.Y., M. Hada, Y. Kanno, T.F., H.O., Y.S., A.S., T.L., T.K.)
| | - Tadashi Murai
- Department of Cardiovascular Medicine, Tsuchiura Kyodo General Hospital, Ibaraki, Japan (Y. Kanaji, T.Y., R.H., T.M., E.U., M. Hoshino, M.Y., M. Hada, Y. Kanno, T.F., H.O., Y.S., A.S., T.L., T.K.)
| | - Eisuke Usui
- Department of Cardiovascular Medicine, Tsuchiura Kyodo General Hospital, Ibaraki, Japan (Y. Kanaji, T.Y., R.H., T.M., E.U., M. Hoshino, M.Y., M. Hada, Y. Kanno, T.F., H.O., Y.S., A.S., T.L., T.K.)
| | - Masahiro Hoshino
- Department of Cardiovascular Medicine, Tsuchiura Kyodo General Hospital, Ibaraki, Japan (Y. Kanaji, T.Y., R.H., T.M., E.U., M. Hoshino, M.Y., M. Hada, Y. Kanno, T.F., H.O., Y.S., A.S., T.L., T.K.)
| | - Masao Yamaguchi
- Department of Cardiovascular Medicine, Tsuchiura Kyodo General Hospital, Ibaraki, Japan (Y. Kanaji, T.Y., R.H., T.M., E.U., M. Hoshino, M.Y., M. Hada, Y. Kanno, T.F., H.O., Y.S., A.S., T.L., T.K.)
| | - Masahiro Hada
- Department of Cardiovascular Medicine, Tsuchiura Kyodo General Hospital, Ibaraki, Japan (Y. Kanaji, T.Y., R.H., T.M., E.U., M. Hoshino, M.Y., M. Hada, Y. Kanno, T.F., H.O., Y.S., A.S., T.L., T.K.)
| | - Yoshinori Kanno
- Department of Cardiovascular Medicine, Tsuchiura Kyodo General Hospital, Ibaraki, Japan (Y. Kanaji, T.Y., R.H., T.M., E.U., M. Hoshino, M.Y., M. Hada, Y. Kanno, T.F., H.O., Y.S., A.S., T.L., T.K.)
| | - Tadashi Fukuda
- Department of Cardiovascular Medicine, Tsuchiura Kyodo General Hospital, Ibaraki, Japan (Y. Kanaji, T.Y., R.H., T.M., E.U., M. Hoshino, M.Y., M. Hada, Y. Kanno, T.F., H.O., Y.S., A.S., T.L., T.K.)
| | - Hiroaki Ohya
- Department of Cardiovascular Medicine, Tsuchiura Kyodo General Hospital, Ibaraki, Japan (Y. Kanaji, T.Y., R.H., T.M., E.U., M. Hoshino, M.Y., M. Hada, Y. Kanno, T.F., H.O., Y.S., A.S., T.L., T.K.)
| | - Youhei Sumino
- Department of Cardiovascular Medicine, Tsuchiura Kyodo General Hospital, Ibaraki, Japan (Y. Kanaji, T.Y., R.H., T.M., E.U., M. Hoshino, M.Y., M. Hada, Y. Kanno, T.F., H.O., Y.S., A.S., T.L., T.K.)
| | - Akinori Sugano
- Department of Cardiovascular Medicine, Tsuchiura Kyodo General Hospital, Ibaraki, Japan (Y. Kanaji, T.Y., R.H., T.M., E.U., M. Hoshino, M.Y., M. Hada, Y. Kanno, T.F., H.O., Y.S., A.S., T.L., T.K.)
| | - Tetsumin Lee
- Department of Cardiovascular Medicine, Tsuchiura Kyodo General Hospital, Ibaraki, Japan (Y. Kanaji, T.Y., R.H., T.M., E.U., M. Hoshino, M.Y., M. Hada, Y. Kanno, T.F., H.O., Y.S., A.S., T.L., T.K.)
| | - Kenzo Hirao
- Department of Cardiovascular Medicine, Tokyo Medical and Dental University, Japan (K.H.)
| | - Tsunekazu Kakuta
- Department of Cardiovascular Medicine, Tsuchiura Kyodo General Hospital, Ibaraki, Japan (Y. Kanaji, T.Y., R.H., T.M., E.U., M. Hoshino, M.Y., M. Hada, Y. Kanno, T.F., H.O., Y.S., A.S., T.L., T.K.)
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10
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Hamaya R, Sugano A, Kanaji Y, Fukuda T, Kanno Y, Yonetsu T, Usui E, Hoshino M, Hada M, Ohya H, Sumino Y, Yuki H, Murai T, Lee T, Kakuta T. Absolute Myocardial Blood Flow After Elective Percutaneous Coronary Intervention Evaluated on Phase-Contrast Cine Cardiovascular Magnetic Resonance Imaging. Circ J 2018; 82:1858-1865. [DOI: 10.1253/circj.cj-17-1449] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Rikuta Hamaya
- Cardiovascular Medicine, Tsuchiura Kyodo General Hospital
| | - Akinori Sugano
- Cardiovascular Medicine, Tsuchiura Kyodo General Hospital
| | | | - Tadashi Fukuda
- Cardiovascular Medicine, Tsuchiura Kyodo General Hospital
| | | | - Taishi Yonetsu
- Cardiovascular Medicine, Tsuchiura Kyodo General Hospital
| | - Eisuke Usui
- Cardiovascular Medicine, Tsuchiura Kyodo General Hospital
| | | | - Masahiro Hada
- Cardiovascular Medicine, Tsuchiura Kyodo General Hospital
| | - Hiroaki Ohya
- Cardiovascular Medicine, Tsuchiura Kyodo General Hospital
| | - Yohei Sumino
- Cardiovascular Medicine, Tsuchiura Kyodo General Hospital
| | - Haruhito Yuki
- Cardiovascular Medicine, Tsuchiura Kyodo General Hospital
| | - Tadashi Murai
- Cardiovascular Medicine, Tsuchiura Kyodo General Hospital
| | - Tetsumin Lee
- Cardiovascular Medicine, Tsuchiura Kyodo General Hospital
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11
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Harbaoui B, Muller O. Quantification of Absolute Coronary Blood Flow and Microvascular Resistance. Circ Cardiovasc Interv 2017; 10:CIRCINTERVENTIONS.117.005916. [PMID: 29038227 DOI: 10.1161/circinterventions.117.005916] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Affiliation(s)
- Brahim Harbaoui
- From the Department of Cardiology, Lausanne University Hospital, Switzerland
| | - Olivier Muller
- From the Department of Cardiology, Lausanne University Hospital, Switzerland.
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