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Tomizawa N, Fujimoto S, Mita T, Takahashi D, Nozaki Y, Fan R, Kudo A, Kawaguchi Y, Takamura K, Hiki M, Kurita M, Kumamaru KK, Watada H, Minamino T, Aoki S. Coronary Artery Vorticity to Predict Functional Plaque Progression in Participants with Type 2 Diabetes Mellitus. Radiol Cardiothorac Imaging 2023; 5:e230016. [PMID: 37693191 PMCID: PMC10483244 DOI: 10.1148/ryct.230016] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2023] [Revised: 07/07/2023] [Accepted: 07/20/2023] [Indexed: 09/12/2023]
Abstract
Purpose To investigate whether vorticity could predict functional plaque progression better than high-risk plaque (HRP) and lesion length (LL) in individuals with type 2 diabetes mellitus. Materials and Methods This single-center prospective study included 61 participants (mean age, 61 years ± 9 [SD]; 43 male participants) who underwent serial coronary CT angiography at 2 years, with 20%-70% stenosis at initial CT between October 2015 and March 2020. The number of the following HRP characteristics was recorded: low attenuation, positive remodeling, spotty calcification, and napkin-ring sign. Vorticity was calculated using a mesh-free simulation. A decrease in CT fractional flow reserve larger than 0.05 indicated functional progression. Models using HRP and LL and vorticity were compared using receiver operating characteristic curve analysis. Results Of the 94 vessels evaluated, 25 vessels (27%) showed functional progression. Vessels with functional progression showed higher vorticity at distal stenosis (984 sec-1; IQR: 730-1253 vs 443 sec-1; IQR: 295-602; P < .001) than vessels without progression. The area under the receiver operating characteristic curve of vorticity (0.91; 95% CI: 0.84, 0.97) was higher than that of HRP and LL (0.69; 95% CI: 0.56, 0.82; P < .01). Diagnostic accuracy of vorticity (85%; 80 of 94 vessels; 95% CI: 76, 92) was higher than that of HRP and LL (72%; 68 of 94 vessels; 95% CI: 62, 81; P = .004). Conclusion In participants with type 2 diabetes mellitus, vorticity at distal stenosis was a better predictor of functional plaque progression than HRP and LL.Keywords: Coronary Artery, Vorticity, Functional Plaque Progression, Type 2 Diabetes, Vasculature, CT Angiography, Computational Fluid Dynamics, Fractional Flow Reserve Supplemental material is available for this article. © RSNA, 2023.
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Affiliation(s)
- Nobuo Tomizawa
- From the Department of Radiology (N.T., R.F., K.K.K., S.A.),
Department of Cardiovascular Biology and Medicine (S.F., D.T., Y.N., A.K., Y.K.,
K.T., M.H., T. Minamino), and Department of Diabetes, Endocrinology, and
Metabolism (T. Mita, M.K., H.W.), Juntendo University Graduate School of
Medicine, 2-1-1 Hongo, Bunkyo-ku, Tokyo 113-8421, Japan
| | - Shinichiro Fujimoto
- From the Department of Radiology (N.T., R.F., K.K.K., S.A.),
Department of Cardiovascular Biology and Medicine (S.F., D.T., Y.N., A.K., Y.K.,
K.T., M.H., T. Minamino), and Department of Diabetes, Endocrinology, and
Metabolism (T. Mita, M.K., H.W.), Juntendo University Graduate School of
Medicine, 2-1-1 Hongo, Bunkyo-ku, Tokyo 113-8421, Japan
| | - Tomoya Mita
- From the Department of Radiology (N.T., R.F., K.K.K., S.A.),
Department of Cardiovascular Biology and Medicine (S.F., D.T., Y.N., A.K., Y.K.,
K.T., M.H., T. Minamino), and Department of Diabetes, Endocrinology, and
Metabolism (T. Mita, M.K., H.W.), Juntendo University Graduate School of
Medicine, 2-1-1 Hongo, Bunkyo-ku, Tokyo 113-8421, Japan
| | - Daigo Takahashi
- From the Department of Radiology (N.T., R.F., K.K.K., S.A.),
Department of Cardiovascular Biology and Medicine (S.F., D.T., Y.N., A.K., Y.K.,
K.T., M.H., T. Minamino), and Department of Diabetes, Endocrinology, and
Metabolism (T. Mita, M.K., H.W.), Juntendo University Graduate School of
Medicine, 2-1-1 Hongo, Bunkyo-ku, Tokyo 113-8421, Japan
| | - Yui Nozaki
- From the Department of Radiology (N.T., R.F., K.K.K., S.A.),
Department of Cardiovascular Biology and Medicine (S.F., D.T., Y.N., A.K., Y.K.,
K.T., M.H., T. Minamino), and Department of Diabetes, Endocrinology, and
Metabolism (T. Mita, M.K., H.W.), Juntendo University Graduate School of
Medicine, 2-1-1 Hongo, Bunkyo-ku, Tokyo 113-8421, Japan
| | - Ruiheng Fan
- From the Department of Radiology (N.T., R.F., K.K.K., S.A.),
Department of Cardiovascular Biology and Medicine (S.F., D.T., Y.N., A.K., Y.K.,
K.T., M.H., T. Minamino), and Department of Diabetes, Endocrinology, and
Metabolism (T. Mita, M.K., H.W.), Juntendo University Graduate School of
Medicine, 2-1-1 Hongo, Bunkyo-ku, Tokyo 113-8421, Japan
| | - Ayako Kudo
- From the Department of Radiology (N.T., R.F., K.K.K., S.A.),
Department of Cardiovascular Biology and Medicine (S.F., D.T., Y.N., A.K., Y.K.,
K.T., M.H., T. Minamino), and Department of Diabetes, Endocrinology, and
Metabolism (T. Mita, M.K., H.W.), Juntendo University Graduate School of
Medicine, 2-1-1 Hongo, Bunkyo-ku, Tokyo 113-8421, Japan
| | - Yuko Kawaguchi
- From the Department of Radiology (N.T., R.F., K.K.K., S.A.),
Department of Cardiovascular Biology and Medicine (S.F., D.T., Y.N., A.K., Y.K.,
K.T., M.H., T. Minamino), and Department of Diabetes, Endocrinology, and
Metabolism (T. Mita, M.K., H.W.), Juntendo University Graduate School of
Medicine, 2-1-1 Hongo, Bunkyo-ku, Tokyo 113-8421, Japan
| | - Kazuhisa Takamura
- From the Department of Radiology (N.T., R.F., K.K.K., S.A.),
Department of Cardiovascular Biology and Medicine (S.F., D.T., Y.N., A.K., Y.K.,
K.T., M.H., T. Minamino), and Department of Diabetes, Endocrinology, and
Metabolism (T. Mita, M.K., H.W.), Juntendo University Graduate School of
Medicine, 2-1-1 Hongo, Bunkyo-ku, Tokyo 113-8421, Japan
| | - Makoto Hiki
- From the Department of Radiology (N.T., R.F., K.K.K., S.A.),
Department of Cardiovascular Biology and Medicine (S.F., D.T., Y.N., A.K., Y.K.,
K.T., M.H., T. Minamino), and Department of Diabetes, Endocrinology, and
Metabolism (T. Mita, M.K., H.W.), Juntendo University Graduate School of
Medicine, 2-1-1 Hongo, Bunkyo-ku, Tokyo 113-8421, Japan
| | - Mika Kurita
- From the Department of Radiology (N.T., R.F., K.K.K., S.A.),
Department of Cardiovascular Biology and Medicine (S.F., D.T., Y.N., A.K., Y.K.,
K.T., M.H., T. Minamino), and Department of Diabetes, Endocrinology, and
Metabolism (T. Mita, M.K., H.W.), Juntendo University Graduate School of
Medicine, 2-1-1 Hongo, Bunkyo-ku, Tokyo 113-8421, Japan
| | - Kanako K. Kumamaru
- From the Department of Radiology (N.T., R.F., K.K.K., S.A.),
Department of Cardiovascular Biology and Medicine (S.F., D.T., Y.N., A.K., Y.K.,
K.T., M.H., T. Minamino), and Department of Diabetes, Endocrinology, and
Metabolism (T. Mita, M.K., H.W.), Juntendo University Graduate School of
Medicine, 2-1-1 Hongo, Bunkyo-ku, Tokyo 113-8421, Japan
| | - Hirotaka Watada
- From the Department of Radiology (N.T., R.F., K.K.K., S.A.),
Department of Cardiovascular Biology and Medicine (S.F., D.T., Y.N., A.K., Y.K.,
K.T., M.H., T. Minamino), and Department of Diabetes, Endocrinology, and
Metabolism (T. Mita, M.K., H.W.), Juntendo University Graduate School of
Medicine, 2-1-1 Hongo, Bunkyo-ku, Tokyo 113-8421, Japan
| | - Tohru Minamino
- From the Department of Radiology (N.T., R.F., K.K.K., S.A.),
Department of Cardiovascular Biology and Medicine (S.F., D.T., Y.N., A.K., Y.K.,
K.T., M.H., T. Minamino), and Department of Diabetes, Endocrinology, and
Metabolism (T. Mita, M.K., H.W.), Juntendo University Graduate School of
Medicine, 2-1-1 Hongo, Bunkyo-ku, Tokyo 113-8421, Japan
| | - Shigeki Aoki
- From the Department of Radiology (N.T., R.F., K.K.K., S.A.),
Department of Cardiovascular Biology and Medicine (S.F., D.T., Y.N., A.K., Y.K.,
K.T., M.H., T. Minamino), and Department of Diabetes, Endocrinology, and
Metabolism (T. Mita, M.K., H.W.), Juntendo University Graduate School of
Medicine, 2-1-1 Hongo, Bunkyo-ku, Tokyo 113-8421, Japan
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Engelhard S, van Helvert M, Voorneveld J, Bosch JG, Lajoinie G, Jebbink EG, Reijnen MMPJ, Versluis M. Blood Flow Quantification with High-Frame-Rate, Contrast-Enhanced Ultrasound Velocimetry in Stented Aortoiliac Arteries: In Vivo Feasibility. ULTRASOUND IN MEDICINE & BIOLOGY 2022; 48:1518-1527. [PMID: 35577661 DOI: 10.1016/j.ultrasmedbio.2022.03.016] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/24/2021] [Revised: 03/25/2022] [Accepted: 03/28/2022] [Indexed: 06/15/2023]
Abstract
Local flow patterns influence stent patency, while blood flow quantification in stents is challenging. The aim of this study was to investigate the feasibility of 2-D blood flow quantification using high-frame-rate, contrast-enhanced ultrasound (HFR-CEUS) and particle image velocimetry (PIV), or echoPIV, in patients with aortoiliac stents. HFR-CEUS measurements were performed at 129 locations in 62 patients. Two-dimensional blood flow velocity fields were obtained using echoPIV. Visual inspection was performed by five observers to evaluate feasibility. The contrast-to-background ratio and average vector correlation were calculated and compared between stented and native vessel segments. Flow quantification with echoPIV was feasible in 128 of 129 locations (99%), with optimal quantification in 40 of 129 locations (31%). Partial quantification was achieved in 88 of 129 locations (68%), where one or multiple limiting issues occurred (not related to the stent) including loss of correlation during systole (57/129), short vessel segments (20/129), loss of contrast during diastole (20/129) and shadow regions (20/129). The contrast-to-background ratio and vector correlation were lower downstream in the imaged blood vessel, independent of the location of the stent. In conclusion, echoPIV was feasible in stents placed in the aortoiliac region, and the stents did not adversely affect flow tracking.
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Affiliation(s)
- Stefan Engelhard
- Multi-Modality Medical Imaging Group, TechMed Centre, University of Twente, Enschede, The Netherlands; Department of Vascular Surgery, Rijnstate Hospital, Arnhem, The Netherlands; Physics of Fluids Group, TechMed Centre, University of Twente, Enschede, The Netherlands.
| | - Majorie van Helvert
- Multi-Modality Medical Imaging Group, TechMed Centre, University of Twente, Enschede, The Netherlands; Department of Vascular Surgery, Rijnstate Hospital, Arnhem, The Netherlands; Physics of Fluids Group, TechMed Centre, University of Twente, Enschede, The Netherlands
| | - Jason Voorneveld
- Department of Biomedical Engineering, Thorax Center, Erasmus Medical Center, Rotterdam, The Netherlands
| | - Johan G Bosch
- Department of Biomedical Engineering, Thorax Center, Erasmus Medical Center, Rotterdam, The Netherlands
| | - Guillaume Lajoinie
- Physics of Fluids Group, TechMed Centre, University of Twente, Enschede, The Netherlands
| | - Erik Groot Jebbink
- Multi-Modality Medical Imaging Group, TechMed Centre, University of Twente, Enschede, The Netherlands; Department of Vascular Surgery, Rijnstate Hospital, Arnhem, The Netherlands
| | - Michel M P J Reijnen
- Multi-Modality Medical Imaging Group, TechMed Centre, University of Twente, Enschede, The Netherlands; Department of Vascular Surgery, Rijnstate Hospital, Arnhem, The Netherlands
| | - Michel Versluis
- Physics of Fluids Group, TechMed Centre, University of Twente, Enschede, The Netherlands
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van Helvert M, Engelhard S, Voorneveld J, van der Vee M, Bosch JG, Versluis M, Groot Jebbink E, Reijnen MMPJ. High-frame-rate contrast-enhanced ultrasound particle image velocimetry in patients with a stented superficial femoral artery: a feasibility study. Eur Radiol Exp 2022; 6:32. [PMID: 35790584 PMCID: PMC9256892 DOI: 10.1186/s41747-022-00278-w] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2021] [Accepted: 04/14/2022] [Indexed: 11/20/2022] Open
Abstract
Background Local blood flow affects vascular disease and outcomes of endovascular treatment, but quantifying it is challenging, especially inside stents. We assessed the feasibility of blood flow quantification in native and stented femoral arteries, using high-frame-rate (HFR) contrast-enhanced ultrasound (CEUS) particle image velocimetry (PIV), also known as echoPIV. Methods Twenty-one patients with peripheral arterial disease, recently treated with a stent in the femoral artery, were included. HFR CEUS measurements were performed in the native femoral artery and at the inflow and outflow of the stent. Two-dimensional blood flow was quantified through PIV analysis. EchoPIV recordings were visually assessed by five observers and categorised as optimal, partial, or unfeasible. To evaluate image quality and tracking performance, contrast-to-tissue ratio (CTR) and vector correlation were calculated, respectively. Results Fifty-eight locations were measured and blood flow quantification was established in 49 of them (84%). Results were optimal for 17/58 recordings (29%) and partial for 32 recordings (55%) due to loss of correlation (5/32; 16%), short vessel segment (8/32; 25%), loss of contrast (14/32; 44%), and/or shadows (18/32; 56%). In the remaining 9/58 measurements (16%) no meaningful flow information was visualised. Overall, CTR and vector correlation were lower during diastole. CTR and vector correlation were not different between stented and native vessel segments, except for a higher native CTR at the inflow during systole (p = 0.037). Conclusions Blood flow quantification is feasible in untreated and stented femoral arteries using echoPIV. Limitations remain, however, none of them related to the presence of the stent. Trial registration ClinicalTrials.gov, NCT04934501 (retrospectively registered). Supplementary Information The online version contains supplementary material available at 10.1186/s41747-022-00278-w.
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Affiliation(s)
- Majorie van Helvert
- Multi-Modality Medical Imaging Group, TechMed Centre, University of Twente, Enschede, The Netherlands. .,Department of Vascular Surgery, Rijnstate Hospital, Arnhem, The Netherlands. .,Physics of Fluids Group, TechMed Centre, University of Twente, Enschede, The Netherlands.
| | - Stefan Engelhard
- Multi-Modality Medical Imaging Group, TechMed Centre, University of Twente, Enschede, The Netherlands.,Department of Vascular Surgery, Rijnstate Hospital, Arnhem, The Netherlands.,Physics of Fluids Group, TechMed Centre, University of Twente, Enschede, The Netherlands
| | - Jason Voorneveld
- Department of Biomedical Engineering, Thorax Center, Erasmus Medical Center, Rotterdam, The Netherlands
| | - Marije van der Vee
- Department of Vascular Surgery, Rijnstate Hospital, Arnhem, The Netherlands.,Physics of Fluids Group, TechMed Centre, University of Twente, Enschede, The Netherlands
| | - Johan G Bosch
- Department of Biomedical Engineering, Thorax Center, Erasmus Medical Center, Rotterdam, The Netherlands
| | - Michel Versluis
- Physics of Fluids Group, TechMed Centre, University of Twente, Enschede, The Netherlands
| | - Erik Groot Jebbink
- Multi-Modality Medical Imaging Group, TechMed Centre, University of Twente, Enschede, The Netherlands.,Department of Vascular Surgery, Rijnstate Hospital, Arnhem, The Netherlands
| | - Michel M P J Reijnen
- Multi-Modality Medical Imaging Group, TechMed Centre, University of Twente, Enschede, The Netherlands.,Department of Vascular Surgery, Rijnstate Hospital, Arnhem, The Netherlands
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Tomizawa N, Nozaki Y, Fujimoto S, Takahashi D, Kudo A, Kamo Y, Aoshima C, Kawaguchi Y, Takamura K, Hiki M, Dohi T, Okazaki S, Kumamaru KK, Minamino T, Aoki S. Coronary flow disturbance assessed by vorticity as a cause of functionally significant stenosis. Eur Radiol 2022; 32:6859-6867. [PMID: 35778509 DOI: 10.1007/s00330-022-08974-2] [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: 01/27/2022] [Revised: 06/05/2022] [Accepted: 06/20/2022] [Indexed: 11/29/2022]
Abstract
OBJECTIVES Vorticity calculated using computational fluid dynamics (CFD) could assess the flow disturbance generated by coronary stenosis. The purpose of this study was to investigate whether vorticity would be an underlying cause of functionally significant stenosis assessed by invasive fractional flow reserve (FFR). METHODS This retrospective study included 113 patients who underwent coronary CT angiography showing intermediate stenosis and subsequent invasive FFR between December 2015 and March 2020. Vorticity at the stenosis site was calculated using a mesh-free CFD method. We also evaluated the minimum lumen area (MLA) and diameter stenosis (DS) of the lesion. Invasive FFR of ≤ 0.80 was considered functionally significant. Data were compared using Student's t-test and logistic regression analysis was performed. RESULTS Of the evaluated 144 vessels, 53 vessels (37%) showed FFR ≤ 0.80. Vorticity of significant stenosis was significantly higher than non-significant stenosis (569 ± 78 vs. 328 ± 34 s-1, p < 0.001). A significant negative relationship was present between vorticity and invasive FFR (R2 = 0.31, p < 0.001). Multivariate logistic regression analysis including MLA and DS showed that vorticity (per 100 s-1, odds ratio: 1.36, 95% confidence interval: 1.21-1.57, p < 0.001) was a statistically significant factor to detect functional significance. The area under the receiver operating characteristic curve statistically significantly increased when vorticity was combined with DS and MLA (0.76 vs. 0.87, p = 0.001). CONCLUSIONS Vorticity had a statistically significant negative relationship with invasive FFR independent of geometric stenosis. KEY POINTS • Flow disturbance caused by coronary stenosis could be evaluated by calculating vorticity which is defined as the norm of the rotation of the velocity vector. • Vorticity was statistically significantly higher in stenosis with functional significance than stenosis without. • Vorticity has an additive value to detect functionally significant stenosis over geometrical stenosis.
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Affiliation(s)
- Nobuo Tomizawa
- Department of Radiology, Juntendo University Graduate School of Medicine, 2-1-1, Hongo, Bunkyo-ku, Tokyo, 113-8421, Japan.
| | - Yui Nozaki
- Department of Cardiovascular Biology and Medicine, Juntendo University Graduate School of Medicine, Tokyo, Japan
| | - Shinichiro Fujimoto
- Department of Cardiovascular Biology and Medicine, Juntendo University Graduate School of Medicine, Tokyo, Japan
| | - Daigo Takahashi
- Department of Cardiovascular Biology and Medicine, Juntendo University Graduate School of Medicine, Tokyo, Japan
| | - Ayako Kudo
- Department of Cardiovascular Biology and Medicine, Juntendo University Graduate School of Medicine, Tokyo, Japan
| | - Yuki Kamo
- Department of Cardiovascular Biology and Medicine, Juntendo University Graduate School of Medicine, Tokyo, Japan
| | - Chihiro Aoshima
- Department of Cardiovascular Biology and Medicine, Juntendo University Graduate School of Medicine, Tokyo, Japan
| | - Yuko Kawaguchi
- Department of Cardiovascular Biology and Medicine, Juntendo University Graduate School of Medicine, Tokyo, Japan
| | - Kazuhisa Takamura
- Department of Cardiovascular Biology and Medicine, Juntendo University Graduate School of Medicine, Tokyo, Japan
| | - Makoto Hiki
- Department of Cardiovascular Biology and Medicine, Juntendo University Graduate School of Medicine, Tokyo, Japan
| | - Tomotaka Dohi
- Department of Cardiovascular Biology and Medicine, Juntendo University Graduate School of Medicine, Tokyo, Japan
| | - Shinya Okazaki
- Department of Cardiovascular Biology and Medicine, Juntendo University Graduate School of Medicine, Tokyo, Japan
| | - Kanako K Kumamaru
- Department of Radiology, Juntendo University Graduate School of Medicine, 2-1-1, Hongo, Bunkyo-ku, Tokyo, 113-8421, Japan
| | - Tohru Minamino
- Department of Cardiovascular Biology and Medicine, Juntendo University Graduate School of Medicine, Tokyo, Japan
| | - Shigeki Aoki
- Department of Radiology, Juntendo University Graduate School of Medicine, 2-1-1, Hongo, Bunkyo-ku, Tokyo, 113-8421, Japan
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