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Yuta F, Kawamori H, Toba T, Hiromasa T, Sasaki S, Hamana T, Fujii H, Osumi Y, Iwane S, Yamamoto T, Naniwa S, Sakamoto Y, Matsuhama K, Hirata KI, Otake H. Diagnostic accuracy of Murray law-based quantitative flow ratio in patients with severe aortic stenosis undergoing transcatheter aortic valve replacement. Heart Vessels 2024:10.1007/s00380-024-02387-5. [PMID: 38526753 DOI: 10.1007/s00380-024-02387-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/07/2023] [Accepted: 02/28/2024] [Indexed: 03/27/2024]
Abstract
BACKGROUND Murray law-based quantitative flow ratio (μQFR) is a novel computational method that enables accurate estimation of fractional flow reserve (FFR) using a single angiographic projection. However, its diagnostic value in patients with severe aortic stenosis (AS) remains unclear. METHOD We included 25 consecutive patients who underwent transcatheter aortic valve replacement (TAVR) for severe AS with intermediate or greater (30-90%) coronary artery disease (CAD). Pre- and post-TAVR μQFR, QFR, instantaneous flow reserve (iFR), and post-TAVR invasive FFR values were measured. We evaluated the diagnostic performance of pre-TAVR μQFR, QFR, and iFR using post-TAVR FFR ≤ 0.80 as a reference standard of ischemia. RESULT Pre-TAVR μQFR was significantly correlated with post-TAVR FFR (r = 0.73, p < 0.0001). The area under the curve of pre-TAVR μQFR on post-TAVR FFR ≤ 0.8 was 0.91 (95% confidence interval [CI] 0.77-0.98), comparable to that of pre-TAVR iFR (0.86 [95% CI 0.71-0.98], p = 0.97). The accuracy, sensitivity, specificity, and positive and negative predictive values of pre-TAVR μQFR on post-TAVR FFR ≤ 0.8 were 84.2% (95% CI 68.7-93.4), 61.6% (95% CI 31.6-86.1), 96.0% (95% CI 79.6-99.9), 88.9% (95% CI 52.9-98.3), and 82.8% (95% CI 70.6-90.6), respectively. For pre-TAVR iFR, these values were 76.5% (95% CI 58.8-89.3), 90.9% (95% CI 58.7-99.8), 69.6% (95% CI 47.1-86.8), 58.8% (95% CI 42.8-73.1), and 94.1% (95% CI 70.8-99.1), respectively. CONCLUSION μQFR could be useful for the physiological evaluation of patients with severe AS with concomitant CAD.
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Affiliation(s)
- Fukuishi Yuta
- Division of Cardiovascular Medicine, Department of Internal Medicine, Kobe University Graduate School of Medicine, 7-5-1 Kusunoki-cho, Chuo-ku, Kobe, Hyogo, 650-0017, Japan
| | - Hiroyuki Kawamori
- Division of Cardiovascular Medicine, Department of Internal Medicine, Kobe University Graduate School of Medicine, 7-5-1 Kusunoki-cho, Chuo-ku, Kobe, Hyogo, 650-0017, Japan
| | - Takayoshi Toba
- Division of Cardiovascular Medicine, Department of Internal Medicine, Kobe University Graduate School of Medicine, 7-5-1 Kusunoki-cho, Chuo-ku, Kobe, Hyogo, 650-0017, Japan
| | - Takashi Hiromasa
- Division of Cardiovascular Medicine, Department of Internal Medicine, Kobe University Graduate School of Medicine, 7-5-1 Kusunoki-cho, Chuo-ku, Kobe, Hyogo, 650-0017, Japan
| | - Satoru Sasaki
- Division of Cardiovascular Medicine, Department of Internal Medicine, Kobe University Graduate School of Medicine, 7-5-1 Kusunoki-cho, Chuo-ku, Kobe, Hyogo, 650-0017, Japan
| | - Tomoyo Hamana
- Division of Cardiovascular Medicine, Department of Internal Medicine, Kobe University Graduate School of Medicine, 7-5-1 Kusunoki-cho, Chuo-ku, Kobe, Hyogo, 650-0017, Japan
| | - Hiroyuki Fujii
- Division of Cardiovascular Medicine, Department of Internal Medicine, Kobe University Graduate School of Medicine, 7-5-1 Kusunoki-cho, Chuo-ku, Kobe, Hyogo, 650-0017, Japan
| | - Yuto Osumi
- Division of Cardiovascular Medicine, Department of Internal Medicine, Kobe University Graduate School of Medicine, 7-5-1 Kusunoki-cho, Chuo-ku, Kobe, Hyogo, 650-0017, Japan
| | - Seigo Iwane
- Division of Cardiovascular Medicine, Department of Internal Medicine, Kobe University Graduate School of Medicine, 7-5-1 Kusunoki-cho, Chuo-ku, Kobe, Hyogo, 650-0017, Japan
| | - Tetsuya Yamamoto
- Division of Cardiovascular Medicine, Department of Internal Medicine, Kobe University Graduate School of Medicine, 7-5-1 Kusunoki-cho, Chuo-ku, Kobe, Hyogo, 650-0017, Japan
| | - Shota Naniwa
- Division of Cardiovascular Medicine, Department of Internal Medicine, Kobe University Graduate School of Medicine, 7-5-1 Kusunoki-cho, Chuo-ku, Kobe, Hyogo, 650-0017, Japan
| | - Yuki Sakamoto
- Division of Cardiovascular Medicine, Department of Internal Medicine, Kobe University Graduate School of Medicine, 7-5-1 Kusunoki-cho, Chuo-ku, Kobe, Hyogo, 650-0017, Japan
| | - Koshi Matsuhama
- Division of Cardiovascular Medicine, Department of Internal Medicine, Kobe University Graduate School of Medicine, 7-5-1 Kusunoki-cho, Chuo-ku, Kobe, Hyogo, 650-0017, Japan
| | - Ken-Ichi Hirata
- Division of Cardiovascular Medicine, Department of Internal Medicine, Kobe University Graduate School of Medicine, 7-5-1 Kusunoki-cho, Chuo-ku, Kobe, Hyogo, 650-0017, Japan
| | - Hiromasa Otake
- Division of Cardiovascular Medicine, Department of Internal Medicine, Kobe University Graduate School of Medicine, 7-5-1 Kusunoki-cho, Chuo-ku, Kobe, Hyogo, 650-0017, Japan.
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Sasaki S, Kawamori H, Toba T, Takeshige R, Fukuyama Y, Hiromasa T, Fujii H, Hamana T, Osumi Y, Iwane S, Yamamoto T, Naniwa S, Sakamoto Y, Matsuhama K, Fukuishi Y, Shinke T, Hirata KI, Otake H. Diagnostic Accuracy of Pre-Transcatheter Aortic Valve Replacement Nitroglycerin-Free Fractional Flow Reserve-Computed Tomography-Based Physiological Assessment in Patients With Severe Aortic Stenosis for Predicting Post-Transcatheter Aortic Valve Replacement Ischemia. Circ J 2024; 88:501-509. [PMID: 37813600 DOI: 10.1253/circj.cj-23-0312] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/11/2023]
Abstract
BACKGROUND Fractional flow reserve-computed tomography (FFRCT) has not been validated in patients with severe aortic stenosis (AS) undergoing transcatheter aortic valve replacement (TAVR) for coronary artery disease due to theoretical difficulties in using nitroglycerin for such patients.Methods and Results: In this single-center study, we prospectively enrolled 21 patients (34 vessels) and performed pre-TAVR FFRCTwithout nitroglycerin, pre-TAVR invasive instantaneous wave-free ratio (iFR) measurements, and post-TAVR FFR measurements using a pressure wire. The diagnostic accuracy, sensitivity, specificity, positive predictive value, and negative predictive value of pre-TAVR FFRCT≤0.80 to predict post-TAVR invasive FFR ≤0.80 were 82%, 83%, 82%, 71%, and 90%, respectively. A receiver operating characteristic analysis demonstrated an optimal cutoff of 0.78 for pre-TAVR FFRCTto indicate post-TAVR FFR ≤0.80, with an area under the curve (AUC) of 0.84, and the counterpart cutoff of pre-TAVR iFR was 0.89 with an AUC of 0.86. CONCLUSIONS FFRCTwithout nitroglycerin could be a useful non-invasive imaging modality for assessing the severity of coronary artery lesions in patients with severe AS.
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Affiliation(s)
- Satoru Sasaki
- Division of Cardiovascular Medicine, Department of Internal Medicine, Kobe University Graduate School of Medicine
| | - Hiroyuki Kawamori
- Division of Cardiovascular Medicine, Department of Internal Medicine, Kobe University Graduate School of Medicine
| | - Takayoshi Toba
- Division of Cardiovascular Medicine, Department of Internal Medicine, Kobe University Graduate School of Medicine
| | - Ryo Takeshige
- Division of Cardiovascular Medicine, Department of Internal Medicine, Kobe University Graduate School of Medicine
| | - Yusuke Fukuyama
- Division of Cardiovascular Medicine, Department of Internal Medicine, Kobe University Graduate School of Medicine
| | - Takashi Hiromasa
- Division of Cardiovascular Medicine, Department of Internal Medicine, Kobe University Graduate School of Medicine
| | - Hiroyuki Fujii
- Division of Cardiovascular Medicine, Department of Internal Medicine, Kobe University Graduate School of Medicine
| | - Tomoyo Hamana
- Division of Cardiovascular Medicine, Department of Internal Medicine, Kobe University Graduate School of Medicine
| | - Yuto Osumi
- Division of Cardiovascular Medicine, Department of Internal Medicine, Kobe University Graduate School of Medicine
| | - Seigo Iwane
- Division of Cardiovascular Medicine, Department of Internal Medicine, Kobe University Graduate School of Medicine
| | - Tetsuya Yamamoto
- Division of Cardiovascular Medicine, Department of Internal Medicine, Kobe University Graduate School of Medicine
| | - Shota Naniwa
- Division of Cardiovascular Medicine, Department of Internal Medicine, Kobe University Graduate School of Medicine
| | - Yuki Sakamoto
- Division of Cardiovascular Medicine, Department of Internal Medicine, Kobe University Graduate School of Medicine
| | - Koshi Matsuhama
- Division of Cardiovascular Medicine, Department of Internal Medicine, Kobe University Graduate School of Medicine
| | - Yuta Fukuishi
- Division of Cardiovascular Medicine, Department of Internal Medicine, Kobe University Graduate School of Medicine
| | - Toshiro Shinke
- Division of Cardiology, Showa University School of Medicine
| | - Ken-Ichi Hirata
- Division of Cardiovascular Medicine, Department of Internal Medicine, Kobe University Graduate School of Medicine
| | - Hiromasa Otake
- Division of Cardiovascular Medicine, Department of Internal Medicine, Kobe University Graduate School of Medicine
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Yamamoto T, Kawamori H, Toba T, Sasaki S, Fujii H, Hamana T, Osumi Y, Iwane S, Naniwa S, Sakamoto Y, Matsuhama K, Fukuishi Y, Hirata K, Otake H. Impact of Pericoronary Adipose Tissue Attenuation on Periprocedural Myocardial Injury in Patients With Chronic Coronary Syndrome. J Am Heart Assoc 2024; 13:e031209. [PMID: 38240235 PMCID: PMC11056154 DOI: 10.1161/jaha.123.031209] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/30/2023] [Accepted: 11/15/2023] [Indexed: 02/07/2024]
Abstract
BACKGROUND Perivascular inflammation contributes to the development of atherosclerosis and microcirculatory dysfunction. Pericoronary adipose tissue (PCAT) attenuation, measured by coronary computed tomography angiography, is a potential indicator of coronary inflammation. However, the relationship between PCAT attenuation, microcirculatory dysfunction, and periprocedural myocardial injury (PMI) remains unclear. METHODS AND RESULTS Patients with chronic coronary syndrome who underwent coronary computed tomography angiography before percutaneous coronary intervention were retrospectively identified. PCAT attenuation and adverse plaque characteristics were assessed using coronary computed tomography angiography. The extent of microcirculatory dysfunction was evaluated using the angio-based index of microcirculatory resistance before and after percutaneous coronary intervention. Overall, 125 consecutive patients were included, with 50 experiencing PMI (PMI group) and 75 without PMI (non-PMI group). Multivariable analysis showed that older age, higher angio-based index of microcirculatory resistance, presence of adverse plaque characteristics, and higher lesion-based PCAT attenuation were independently associated with PMI occurrence (odds ratio [OR], 1.07 [95% CI, 1.01-1.13]; P=0.02; OR, 1.06 [95% CI, 1.00-1.12]; P=0.04; OR, 6.62 [95% CI, 2.13-20.6]; P=0.001; and OR, 2.89 [95% CI, 1.63-5.11]; P<0.001, respectively). High PCAT attenuation was correlated with microcirculatory dysfunction before and after percutaneous coronary intervention and its exacerbation during percutaneous coronary intervention. Adding lesion-based PCAT attenuation to the presence of adverse plaque characteristics improved the discriminatory and reclassification ability in predicting PMI. CONCLUSIONS Adding PCAT attenuation at the culprit lesion level to coronary computed tomography angiography-derived adverse plaque characteristics may provide incremental benefit in identifying patients at risk of PMI. Our results highlight the importance of microcirculatory dysfunction in PMI development, particularly in the presence of lesions with high PCAT attenuation. REGISTRATION URL: https://center6.umin.ac.jp/cgi-open-bin/ctr/ctr_view.cgi?recptno=R000057722; Unique identifier: UMIN000050662.
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Affiliation(s)
- Tetsuya Yamamoto
- Division of Cardiovascular Medicine, Department of Internal MedicineKobe University Graduate School of MedicineKobeJapan
| | - Hiroyuki Kawamori
- Division of Cardiovascular Medicine, Department of Internal MedicineKobe University Graduate School of MedicineKobeJapan
| | - Takayoshi Toba
- Division of Cardiovascular Medicine, Department of Internal MedicineKobe University Graduate School of MedicineKobeJapan
| | - Satoru Sasaki
- Division of Cardiovascular Medicine, Department of Internal MedicineKobe University Graduate School of MedicineKobeJapan
| | - Hiroyuki Fujii
- Division of Cardiovascular Medicine, Department of Internal MedicineKobe University Graduate School of MedicineKobeJapan
| | - Tomoyo Hamana
- Division of Cardiovascular Medicine, Department of Internal MedicineKobe University Graduate School of MedicineKobeJapan
| | - Yuto Osumi
- Division of Cardiovascular Medicine, Department of Internal MedicineKobe University Graduate School of MedicineKobeJapan
| | - Seigo Iwane
- Division of Cardiovascular Medicine, Department of Internal MedicineKobe University Graduate School of MedicineKobeJapan
| | - Shota Naniwa
- Division of Cardiovascular Medicine, Department of Internal MedicineKobe University Graduate School of MedicineKobeJapan
| | - Yuki Sakamoto
- Division of Cardiovascular Medicine, Department of Internal MedicineKobe University Graduate School of MedicineKobeJapan
| | - Koshi Matsuhama
- Division of Cardiovascular Medicine, Department of Internal MedicineKobe University Graduate School of MedicineKobeJapan
| | - Yuta Fukuishi
- Division of Cardiovascular Medicine, Department of Internal MedicineKobe University Graduate School of MedicineKobeJapan
| | - Ken‐ichi Hirata
- Division of Cardiovascular Medicine, Department of Internal MedicineKobe University Graduate School of MedicineKobeJapan
| | - Hiromasa Otake
- Division of Cardiovascular Medicine, Department of Internal MedicineKobe University Graduate School of MedicineKobeJapan
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Takeuchi K, Yamauchi Y, Shiraki H, Sumimoto K, Shono A, Suzuki M, Yamashita K, Toba T, Kawamori H, Otake H, Hirata KI, Tanaka H. Association of acute improvement in left ventricular longitudinal function after transcatheter aortic valve implantation with outcomes for severe aortic stenosis and preserved ejection fraction. J Cardiol 2023; 82:234-239. [PMID: 37085029 DOI: 10.1016/j.jjcc.2023.04.008] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/25/2022] [Revised: 04/07/2023] [Accepted: 04/12/2023] [Indexed: 04/23/2023]
Abstract
BACKGROUND Global longitudinal strain (GLS) is reportedly a sensitive marker for early subtle abnormalities in left ventricular (LV) performance of asymptomatic patients with severe aortic stenosis (AS) and preserved LV ejection fraction (LVEF). For symptomatic patients with severe AS and preserved LVEF, however, the association of immediate improvement in GLS after transcatheter aortic valve implantation (TAVI) with long-term outcomes remains uncertain. METHODS This study concerned 151 symptomatic patients with severe AS and preserved LVEF who had undergone TAVI. Echocardiography was performed before TAVI and 7 (7-9) days after TAVI. GLS was determined by means of a two-dimensional speckle-tracking strain using current guidelines. The primary endpoint was defined as a composite endpoint comprising cardiovascular death or re-hospitalization for HF after TAVI over a median follow-up period of 27.7 (11.9-51.4) months. RESULTS Mean LVEF and GLS were 65 ± 7 % and 12.8 ± 3.4 %, respectively. The Kaplan-Meier curve indicated that patients with acute improvement in GLS after TAVI experienced fewer cardiovascular events than those without such improvement (log-rank P = 0.02). Multivariate analysis showed that non-acute improvement in GLS after TAVI was independently associated with worse outcomes as well as deterioration of the mean transaortic pressure gradient. CONCLUSION Assessment of GLS immediately after TAVI is a valuable additional parameter for better management of symptomatic patients with severe AS and preserved LVEF who are scheduled for TAVI.
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Affiliation(s)
- Kimikazu Takeuchi
- Division of Cardiovascular Medicine, Department of Internal Medicine, Kobe University Graduate School of Medicine, Kobe, Japan
| | - Yuki Yamauchi
- Division of Cardiovascular Medicine, Department of Internal Medicine, Kobe University Graduate School of Medicine, Kobe, Japan
| | - Hiroaki Shiraki
- Division of Cardiovascular Medicine, Department of Internal Medicine, Kobe University Graduate School of Medicine, Kobe, Japan
| | - Keiko Sumimoto
- Division of Cardiovascular Medicine, Department of Internal Medicine, Kobe University Graduate School of Medicine, Kobe, Japan
| | - Ayu Shono
- Division of Cardiovascular Medicine, Department of Internal Medicine, Kobe University Graduate School of Medicine, Kobe, Japan
| | - Makiko Suzuki
- Division of Cardiovascular Medicine, Department of Internal Medicine, Kobe University Graduate School of Medicine, Kobe, Japan
| | - Kentaro Yamashita
- Division of Cardiovascular Medicine, Department of Internal Medicine, Kobe University Graduate School of Medicine, Kobe, Japan
| | - Takayoshi Toba
- Division of Cardiovascular Medicine, Department of Internal Medicine, Kobe University Graduate School of Medicine, Kobe, Japan
| | - Hiroyuki Kawamori
- Division of Cardiovascular Medicine, Department of Internal Medicine, Kobe University Graduate School of Medicine, Kobe, Japan
| | - Hiromasa Otake
- Division of Cardiovascular Medicine, Department of Internal Medicine, Kobe University Graduate School of Medicine, Kobe, Japan
| | - Ken-Ichi Hirata
- Division of Cardiovascular Medicine, Department of Internal Medicine, Kobe University Graduate School of Medicine, Kobe, Japan
| | - Hidekazu Tanaka
- Division of Cardiovascular Medicine, Department of Internal Medicine, Kobe University Graduate School of Medicine, Kobe, Japan.
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Toba T, Hamana T, Kawamori H, Torii S, Nakazawa G, Otake H. Retrieval of entrapped Rotablator burr in coronary stent using guide extension catheter and RotaWire spring-tip. Cardiovasc Interv Ther 2023; 38:431-433. [PMID: 37249809 PMCID: PMC10485114 DOI: 10.1007/s12928-023-00939-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2023] [Accepted: 05/10/2023] [Indexed: 05/31/2023]
Affiliation(s)
- Takayoshi Toba
- Division of Cardiovascular Medicine, Department of Internal Medicine, Kobe University Graduate School of Medicine, 7-5-2, Kusunoki-cho, Chuo-ku, Kobe, 6500017, Japan.
| | - Tomoyo Hamana
- Division of Cardiovascular Medicine, Department of Internal Medicine, Kobe University Graduate School of Medicine, 7-5-2, Kusunoki-cho, Chuo-ku, Kobe, 6500017, Japan
| | - Hiroyuki Kawamori
- Division of Cardiovascular Medicine, Department of Internal Medicine, Kobe University Graduate School of Medicine, 7-5-2, Kusunoki-cho, Chuo-ku, Kobe, 6500017, Japan
| | - Sho Torii
- Department of Cardiology, Tokai University School of Medicine, Isehara, Japan
| | - Gaku Nakazawa
- Division of Cardiology, Department of Internal Medicine, Kinki University School of Medicine, Osaka, Japan
| | - Hiromasa Otake
- Division of Cardiovascular Medicine, Department of Internal Medicine, Kobe University Graduate School of Medicine, 7-5-2, Kusunoki-cho, Chuo-ku, Kobe, 6500017, Japan
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Yamamoto T, Kawamori H, Toba T, Kakizaki S, Nakamura K, Fujimoto D, Sasaki S, Fujii H, Hamana T, Osumi Y, Iwane S, Naniwa S, Sakamoto Y, Matsuhama K, Fukuishi Y, Kozuki A, Shite J, Iwasaki M, Ishida A, Hirata KI, Otake H. Clinical impact of optical coherence tomography findings after drug-coated balloon treatment for patients with acute coronary syndromes. Int J Cardiol 2023; 387:131149. [PMID: 37423566 DOI: 10.1016/j.ijcard.2023.131149] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/20/2023] [Revised: 06/06/2023] [Accepted: 07/05/2023] [Indexed: 07/11/2023]
Abstract
BACKGROUND Drug-coated balloon (DCB) became a potential treatment option for patients with acute coronary syndrome (ACS); however, factors associated with target lesion failure (TLF) remain uncertain. METHODS This retrospective, multicentre, observational study included consecutive ACS patients who underwent optical coherence tomography (OCT)-guided DCB treatment. Patients were divided into two groups according to the occurrence of TLF, a composite of cardiac death, target vessel-related myocardial infarction, and ischemia-driven target lesion revascularisation. RESULTS We enrolled 127 patients in this study. During the median follow-up period of 562 (IQR: 342-1164) days, 24 patients (18.9%) experienced TLF, and 103 patients (81.1%) did not. The cumulative 3-year incidence of TLF was 22.0%. The cumulative 3-year incidence of TLF was the lowest in patients with plaque erosion (PE) (7.5%), followed by those with rupture (PR) (26.1%) and calcified nodule (CN) (43.5%). Multivariable Cox regression analysis revealed that plaque morphology was independently associated with TLF on pre-PCI (percutaneous coronary intervention) OCT, and residual thrombus burden (TB) was positively associated with TLF on post-PCI OCT. Further stratification by post-PCI TB revealed a comparable incidence of TLF in patients with PR (4.2%) to that of PE if the culprit lesion had a smaller post-PCI TB than the cut-off value (8.4%). TLF incidence was high in patients with CN, regardless of TB size on post-PCI OCT. CONCLUSIONS Plaque morphology was strongly associated with TLF for ACS patients after DCB treatment. Residual TB post-PCI might be a key determinant for TLF, especially in patients with PR.
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Affiliation(s)
- Tetsuya Yamamoto
- Division of Cardiovascular Medicine, Department of Internal Medicine, Kobe University Graduate School of Medicine, Kobe, Japan
| | - Hiroyuki Kawamori
- Division of Cardiovascular Medicine, Department of Internal Medicine, Kobe University Graduate School of Medicine, Kobe, Japan
| | - Takayoshi Toba
- Division of Cardiovascular Medicine, Department of Internal Medicine, Kobe University Graduate School of Medicine, Kobe, Japan
| | - Shunsuke Kakizaki
- Division of Cardiovascular Medicine, Department of Internal Medicine, Kobe University Graduate School of Medicine, Kobe, Japan
| | - Koichi Nakamura
- Division of Cardiovascular Medicine, Department of Internal Medicine, Kobe University Graduate School of Medicine, Kobe, Japan
| | - Daichi Fujimoto
- Division of Cardiovascular Medicine, Department of Internal Medicine, Kobe University Graduate School of Medicine, Kobe, Japan
| | - Satoru Sasaki
- Division of Cardiovascular Medicine, Department of Internal Medicine, Kobe University Graduate School of Medicine, Kobe, Japan
| | - Hiroyuki Fujii
- Division of Cardiovascular Medicine, Department of Internal Medicine, Kobe University Graduate School of Medicine, Kobe, Japan
| | - Tomoyo Hamana
- Division of Cardiovascular Medicine, Department of Internal Medicine, Kobe University Graduate School of Medicine, Kobe, Japan
| | - Yuto Osumi
- Division of Cardiovascular Medicine, Department of Internal Medicine, Kobe University Graduate School of Medicine, Kobe, Japan
| | - Seigo Iwane
- Division of Cardiovascular Medicine, Department of Internal Medicine, Kobe University Graduate School of Medicine, Kobe, Japan
| | - Shota Naniwa
- Division of Cardiovascular Medicine, Department of Internal Medicine, Kobe University Graduate School of Medicine, Kobe, Japan
| | - Yuki Sakamoto
- Division of Cardiovascular Medicine, Department of Internal Medicine, Kobe University Graduate School of Medicine, Kobe, Japan
| | - Koshi Matsuhama
- Division of Cardiovascular Medicine, Department of Internal Medicine, Kobe University Graduate School of Medicine, Kobe, Japan
| | - Yuta Fukuishi
- Division of Cardiovascular Medicine, Department of Internal Medicine, Kobe University Graduate School of Medicine, Kobe, Japan
| | - Amane Kozuki
- Division of Cardiovascular Medicine, Osaka Saiseikai Nakatsu Hospital, Osaka, Japan
| | - Junya Shite
- Division of Cardiovascular Medicine, Osaka Saiseikai Nakatsu Hospital, Osaka, Japan
| | - Masamichi Iwasaki
- Department of Cardiology, Hyogo Prefectural Awaji Medical Center, Sumoto, Japan
| | - Akihiko Ishida
- Department of Cardiology, Toyooka Public Hospital, Toyooka, Japan
| | - Ken-Ichi Hirata
- Division of Cardiovascular Medicine, Department of Internal Medicine, Kobe University Graduate School of Medicine, Kobe, Japan
| | - Hiromasa Otake
- Division of Cardiovascular Medicine, Department of Internal Medicine, Kobe University Graduate School of Medicine, Kobe, Japan.
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Tani K, Takami M, Kawamori H, Toba T, Kakizaki S, Fukuzawa K. Sequential approach for the prevention of phrenic nerve injuries during epicardial radiofrequency ablation of ventricular tachycardia. HeartRhythm Case Rep 2023; 9:429-433. [PMID: 37492050 PMCID: PMC10363457 DOI: 10.1016/j.hrcr.2023.04.021] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/27/2023] Open
Affiliation(s)
- Kenichi Tani
- Division of Cardiovascular Medicine, Department of Internal Medicine, Kobe University Graduate School of Medicine, Kobe, Japan
| | - Mitsuru Takami
- Division of Cardiovascular Medicine, Department of Internal Medicine, Kobe University Graduate School of Medicine, Kobe, Japan
- Section of Arrhythmia, Division of Cardiovascular Medicine, Department of Internal Medicine, Kobe University Graduate School of Medicine, Kobe, Japan
| | - Hiroyuki Kawamori
- Division of Cardiovascular Medicine, Department of Internal Medicine, Kobe University Graduate School of Medicine, Kobe, Japan
| | - Takayoshi Toba
- Division of Cardiovascular Medicine, Department of Internal Medicine, Kobe University Graduate School of Medicine, Kobe, Japan
| | - Shunsuke Kakizaki
- Division of Cardiovascular Medicine, Department of Internal Medicine, Kobe University Graduate School of Medicine, Kobe, Japan
| | - Koji Fukuzawa
- Division of Cardiovascular Medicine, Department of Internal Medicine, Kobe University Graduate School of Medicine, Kobe, Japan
- Section of Arrhythmia, Division of Cardiovascular Medicine, Department of Internal Medicine, Kobe University Graduate School of Medicine, Kobe, Japan
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Fujimoto D, Shinohara M, Kawamori H, Toba T, Kakizaki S, Nakamura K, Sasaki S, Hamana T, Fujii H, Osumi Y, Hayasaka N, Kishino S, Ogawa J, Hirata KI, Otake H. The relationship between unique gut microbiome-derived lipid metabolites and subsequent revascularization in patients who underwent percutaneous coronary intervention. Atherosclerosis 2023; 375:1-8. [PMID: 37216727 DOI: 10.1016/j.atherosclerosis.2023.05.001] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/15/2022] [Revised: 05/01/2023] [Accepted: 05/02/2023] [Indexed: 05/24/2023]
Abstract
BACKGROUND AND AIMS Studies have recently revealed the linoleic acid metabolic pathway of Lactobacillus plantarum, the representative gut bacterium in human gastrointestinal tract, and the anti-inflammatory effects of metabolites in this pathway. However, no clinical trials have evaluated the association between these metabolites and revascularization in patients who underwent percutaneous coronary intervention (PCI). METHODS We retrospectively reviewed patients who underwent PCI with subsequent revascularization or coronary angiography (CAG) without revascularization. Patients with frozen blood samples at the index PCI and revascularization or follow-up CAG were enrolled. RESULTS Among 701 consecutive patients who underwent PCI, we enrolled 53 patients who underwent subsequent revascularization and 161 patients who underwent follow-up CAG without revascularization. Patients who underwent revascularization showed significantly lower plasma 10-oxo-octadecanoic acid (KetoB) levels (720.5 [551.6-876.5] vs. 818.4 [641.1-1103.6 pg/mL]; p = 0.01) at index PCI. Multivariate logistic regression analysis revealed that decreased plasma KetoB levels at the index PCI were independently associated with subsequent revascularization after PCI (odds ratio; 0.90 per 100 pg/mL increase, 95% confidence interval; 0.82-0.98). Additionally, in vitro experiments showed that the addition of purified KetoB suppressed the mRNA levels of IL-6 and IL-1β in macrophages and IL-1β mRNA in neutrophils. CONCLUSIONS Plasma KetoB level at index PCI was independently associated with subsequent revascularization after PCI, and KetoB could act as an anti-inflammatory lipid mediator in macrophages and neutrophils. The assessment of gut microbiome-derived metabolites may help predict revascularization after PCI.
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Affiliation(s)
- Daichi Fujimoto
- Division of Cardiovascular Medicine, Department of Internal Medicine, Kobe University Graduate School of Medicine, Kobe, Japan
| | - Masakazu Shinohara
- Integrated Center for Mass Spectrometry, Kobe University Graduate School of Medicine, Kobe, Japan; Division of Epidemiology, Department of Community Medicine and Social Healthcare Science, Kobe University Graduate School of Medicine, Kobe, Japan
| | - Hiroyuki Kawamori
- Division of Cardiovascular Medicine, Department of Internal Medicine, Kobe University Graduate School of Medicine, Kobe, Japan
| | - Takayoshi Toba
- Division of Cardiovascular Medicine, Department of Internal Medicine, Kobe University Graduate School of Medicine, Kobe, Japan
| | - Shunsuke Kakizaki
- Division of Cardiovascular Medicine, Department of Internal Medicine, Kobe University Graduate School of Medicine, Kobe, Japan
| | - Koichi Nakamura
- Division of Cardiovascular Medicine, Department of Internal Medicine, Kobe University Graduate School of Medicine, Kobe, Japan
| | - Satoru Sasaki
- Division of Cardiovascular Medicine, Department of Internal Medicine, Kobe University Graduate School of Medicine, Kobe, Japan
| | - Tomoyo Hamana
- Division of Cardiovascular Medicine, Department of Internal Medicine, Kobe University Graduate School of Medicine, Kobe, Japan
| | - Hiroyuki Fujii
- Division of Cardiovascular Medicine, Department of Internal Medicine, Kobe University Graduate School of Medicine, Kobe, Japan
| | - Yuto Osumi
- Division of Cardiovascular Medicine, Department of Internal Medicine, Kobe University Graduate School of Medicine, Kobe, Japan
| | - Naomi Hayasaka
- Integrated Center for Mass Spectrometry, Kobe University Graduate School of Medicine, Kobe, Japan
| | - Shigenobu Kishino
- Laboratory of Fermentation Physiology and Applied Microbiology, Division of Applied Life Sciences, Graduate School of Agriculture, Kyoto University, Kyoto, Japan
| | - Jun Ogawa
- Laboratory of Fermentation Physiology and Applied Microbiology, Division of Applied Life Sciences, Graduate School of Agriculture, Kyoto University, Kyoto, Japan
| | - Ken-Ichi Hirata
- Division of Cardiovascular Medicine, Department of Internal Medicine, Kobe University Graduate School of Medicine, Kobe, Japan
| | - Hiromasa Otake
- Division of Cardiovascular Medicine, Department of Internal Medicine, Kobe University Graduate School of Medicine, Kobe, Japan.
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9
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Hamana T, Kawamori H, Toba T, Nishimori M, Tanimura K, Kakizaki S, Nakamura K, Fujimoto D, Sasaki S, Osumi Y, Fujii M, Iwane S, Yamamoto T, Naniwa S, Sakamoto Y, Fukuishi Y, Matsuhama K, Hirata KI, Otake H. Prediction of the debulking effect of rotational atherectomy using optical frequency domain imaging: a prospective study. Cardiovasc Interv Ther 2023:10.1007/s12928-023-00928-9. [PMID: 37020066 DOI: 10.1007/s12928-023-00928-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2023] [Accepted: 03/13/2023] [Indexed: 04/07/2023]
Abstract
This study determined the predictive accuracy of optical frequency domain imaging (OFDI) on debulking effects of rotational atherectomy (RA) and compared the predictive accuracy of OFDI catheter-based with Rota wire-based prediction methods. This prospective, single-center, observational study included 55 consecutive patients who underwent OFDI-guided RA. On pre-RA OFDI images, a circle, identical to the Rota burr was drawn at the center of the OFDI catheter (OFDI catheter-based prediction method) or wire (wire-based prediction method). The area overlapping the vessel wall was defined as the predicted ablation area (P-area). The actual ablated area (A-area) was measured by superimposing the OFDI images before and after RA. The overlapping P-area and A-area were defined as overlapped ablation area (O-area), and the predictive accuracy was evaluated by %Correct area (O-area/P-area) and %Error area (A-area - O-area/A-area). The median %Correct and %Error areas were 47.8% and 41.6%, respectively. Irrelevant ablation (low %Correct-/high % Error areas) and over ablation (high %Correct-/high % Error areas) were related to deep vessel injury and intimal flap outside the P-area. The predictive accuracy was better in the OFDI catheter-based prediction method than the wire-based prediction method in the cross sections where the OFDI catheter and wire came in contact. However, it was better in the latter than the former where the OFDI catheter and wire were not in contact. OFDI-based simulation of the RA effect is feasible though accuracy may be affected by the OFDI catheter and wire position. OFDI-based simulation of RA effect might reduce peri-procedural complications during RA.
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Affiliation(s)
- Tomoyo Hamana
- Division of Cardiovascular Medicine, Department of Internal Medicine, Kobe University Graduate School of Medicine, 7-5-2 Kusunoki-Cho, Chuo-Ku, Kobe, Hyogo, 650-0017, Japan
| | - Hiroyuki Kawamori
- Division of Cardiovascular Medicine, Department of Internal Medicine, Kobe University Graduate School of Medicine, 7-5-2 Kusunoki-Cho, Chuo-Ku, Kobe, Hyogo, 650-0017, Japan
| | - Takayoshi Toba
- Division of Cardiovascular Medicine, Department of Internal Medicine, Kobe University Graduate School of Medicine, 7-5-2 Kusunoki-Cho, Chuo-Ku, Kobe, Hyogo, 650-0017, Japan
| | - Makoto Nishimori
- Division of Cardiovascular Medicine, Department of Internal Medicine, Kobe University Graduate School of Medicine, 7-5-2 Kusunoki-Cho, Chuo-Ku, Kobe, Hyogo, 650-0017, Japan
- Division of Epidemiology, Kobe University Graduate School of Medicine, Kobe, Japan
| | - Kosuke Tanimura
- Division of Cardiovascular Medicine, Department of Internal Medicine, Kobe University Graduate School of Medicine, 7-5-2 Kusunoki-Cho, Chuo-Ku, Kobe, Hyogo, 650-0017, Japan
| | - Shunsuke Kakizaki
- Division of Cardiovascular Medicine, Department of Internal Medicine, Kobe University Graduate School of Medicine, 7-5-2 Kusunoki-Cho, Chuo-Ku, Kobe, Hyogo, 650-0017, Japan
| | - Koichi Nakamura
- Division of Cardiovascular Medicine, Department of Internal Medicine, Kobe University Graduate School of Medicine, 7-5-2 Kusunoki-Cho, Chuo-Ku, Kobe, Hyogo, 650-0017, Japan
| | - Daichi Fujimoto
- Division of Cardiovascular Medicine, Department of Internal Medicine, Kobe University Graduate School of Medicine, 7-5-2 Kusunoki-Cho, Chuo-Ku, Kobe, Hyogo, 650-0017, Japan
| | - Satoru Sasaki
- Division of Cardiovascular Medicine, Department of Internal Medicine, Kobe University Graduate School of Medicine, 7-5-2 Kusunoki-Cho, Chuo-Ku, Kobe, Hyogo, 650-0017, Japan
| | - Yuto Osumi
- Division of Cardiovascular Medicine, Department of Internal Medicine, Kobe University Graduate School of Medicine, 7-5-2 Kusunoki-Cho, Chuo-Ku, Kobe, Hyogo, 650-0017, Japan
| | - Masayoshi Fujii
- Division of Cardiovascular Medicine, Department of Internal Medicine, Kobe University Graduate School of Medicine, 7-5-2 Kusunoki-Cho, Chuo-Ku, Kobe, Hyogo, 650-0017, Japan
| | - Seigo Iwane
- Division of Cardiovascular Medicine, Department of Internal Medicine, Kobe University Graduate School of Medicine, 7-5-2 Kusunoki-Cho, Chuo-Ku, Kobe, Hyogo, 650-0017, Japan
| | - Tetsuya Yamamoto
- Division of Cardiovascular Medicine, Department of Internal Medicine, Kobe University Graduate School of Medicine, 7-5-2 Kusunoki-Cho, Chuo-Ku, Kobe, Hyogo, 650-0017, Japan
| | - Shota Naniwa
- Division of Cardiovascular Medicine, Department of Internal Medicine, Kobe University Graduate School of Medicine, 7-5-2 Kusunoki-Cho, Chuo-Ku, Kobe, Hyogo, 650-0017, Japan
| | - Yuki Sakamoto
- Division of Cardiovascular Medicine, Department of Internal Medicine, Kobe University Graduate School of Medicine, 7-5-2 Kusunoki-Cho, Chuo-Ku, Kobe, Hyogo, 650-0017, Japan
| | - Yuta Fukuishi
- Division of Cardiovascular Medicine, Department of Internal Medicine, Kobe University Graduate School of Medicine, 7-5-2 Kusunoki-Cho, Chuo-Ku, Kobe, Hyogo, 650-0017, Japan
| | - Koshi Matsuhama
- Division of Cardiovascular Medicine, Department of Internal Medicine, Kobe University Graduate School of Medicine, 7-5-2 Kusunoki-Cho, Chuo-Ku, Kobe, Hyogo, 650-0017, Japan
| | - Ken-Ichi Hirata
- Division of Cardiovascular Medicine, Department of Internal Medicine, Kobe University Graduate School of Medicine, 7-5-2 Kusunoki-Cho, Chuo-Ku, Kobe, Hyogo, 650-0017, Japan
| | - Hiromasa Otake
- Division of Cardiovascular Medicine, Department of Internal Medicine, Kobe University Graduate School of Medicine, 7-5-2 Kusunoki-Cho, Chuo-Ku, Kobe, Hyogo, 650-0017, Japan.
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Hamana T, Kawamori H, Satomi-Kobayashi S, Yamamoto Y, Ikeda Y, Hirata KI. Fulminant myocarditis in a young woman with mixed connective tissue disease: a case report. Eur Heart J Case Rep 2023; 7:ytad174. [PMID: 37096149 PMCID: PMC10122413 DOI: 10.1093/ehjcr/ytad174] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2022] [Revised: 11/22/2022] [Accepted: 04/03/2023] [Indexed: 04/26/2023]
Abstract
Background Although cardiac involvement is relatively common in mixed connective tissue disease (MCTD), few reports on MCTD-associated fulminant myocarditis are available. Case summary A 22-year-old woman diagnosed with MCTD was admitted to our institution for cold-like symptoms and chest pain. Echocardiography revealed that the left ventricular ejection fraction (LVEF) had rapidly decreased from 50 to 20%. Because endomyocardial biopsy revealed no significant lymphocytic infiltration, immunosuppressant drugs were not started initially; however, steroid pulse therapy (methylprednisolone, one1000 mg/day) was initiated due to prolonged symptoms and unimproved haemodynamics. Despite strong immunosuppressant therapy, the LVEF did not improve, and severe mitral regurgitation appeared. Three days after steroid pulse therapy initiation, she experienced a sudden cardiac arrest; thus, venoarterial extracorporeal membrane oxygenation (VA-ECMO) and intra-aortic balloon pumping (IABP) were initiated. Subsequent immunosuppressant therapy was continued with prednisolone (100 mg/day) and intravenous cyclophosphamide (1000 mg). Six days after steroid therapy initiation, the LVEF improved to 40% and then recovered to near-normal levels. After successful weaning off of VA-ECMO and IABP, she was discharged. Thereafter, a detailed histopathological examination revealed multi-focal signs of ischaemic micro-circulatory injury and diffuse HLA-DR in the vascular endothelium, suggesting an autoimmune inflammatory response. Discussion We report a rare case of fulminant myocarditis in a patient with MCTD who recovered with immunosuppressive treatment. Despite the absence of significant lymphocytic infiltration findings on histopathological examination, patients with MCTD may experience a dramatic clinical course. Although it is unclear whether myocarditis is triggered by viral infections, certain autoimmune mechanisms may lead to its development.
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Affiliation(s)
- Tomoyo Hamana
- Division of Cardiovascular Medicine, Department of Internal Medicine, Kobe University Graduate School of Medicine, 7-5-1 Kusunoki-cho, Chuo-ku, Kobe, Hyogo 650-0017, Japan
| | | | - Seimi Satomi-Kobayashi
- Division of Cardiovascular Medicine, Department of Internal Medicine, Kobe University Graduate School of Medicine, 7-5-1 Kusunoki-cho, Chuo-ku, Kobe, Hyogo 650-0017, Japan
| | - Yuzuru Yamamoto
- Division of Rheumatology and Clinical Immunology, Department of Internal Medicine, Kobe University Graduate School of Medicine, Kobe, Japan
| | - Yoshihiko Ikeda
- Department of Pathology, National Cerebral and Cardiovascular Center, Suita, Osaka, Japan
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Hamana T, Kawamori H, Toba T, Kakizaki S, Nakamura K, Fujimoto D, Sasaki S, Fujii H, Osumi Y, Fujioka T, Nishimori M, Kozuki A, Shite J, Iwasaki M, Takaya T, Hirata KI, Otake H. Predictors of target lesion revascularisation after drug-eluting stent implantation for calcified nodules: an optical coherence tomography study. EUROINTERVENTION 2023:EIJ-D-22-00836. [PMID: 36876497 DOI: 10.4244/eij-d-22-00836] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 03/07/2023]
Abstract
BACKGROUND Evidence of prognostic factors for stent failure after drug-eluting stent implantation for calcified nodules (CNs) is limited. AIMS We aimed to clarify the prognostic risk factors associated with stent failure among patients who underwent drug-eluting stent implantation for CN lesions using optical coherence tomography (OCT). METHODS This retrospective, multicentre, observational study included 108 consecutive patients with CNs who underwent OCT-guided percutaneous coronary intervention (PCI). To evaluate the quality of CNs, we measured their signal intensity and analysed the degree of signal attenuation. All CN lesions were divided into dark or bright CNs according to the half width of signal attenuation, greater or lower than 332, respectively. RESULTS During the median follow-up period of 523 days, 25 patients (23.1%) experienced target lesion revascularisation (TLR). The 5-year cumulative incidence of TLR was 32.6%. Multivariable Cox regression analysis revealed that younger age, haemodialysis, eruptive CNs, dark CNs assessed by pre-PCI OCT, disrupted fibrous tissue protrusions, and irregular protrusions assessed by post-PCI OCT were independently associated with TLR. The prevalence of in-stent CNs (IS-CNs) observed at follow-up OCT was significantly higher in the TLR group than in the non-TLR group. CONCLUSIONS Factors such as younger age, haemodialysis, eruptive CNs, dark CNs, disrupted fibrous tissue, or irregular protrusions were independently related to TLR in patients with CNs. The high prevalence of IS-CNs might indicate that the main cause of stent failure implanted in CN lesions could be the recurrence of CN progression in the stented segment.
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Affiliation(s)
- Tomoyo Hamana
- Division of Cardiovascular Medicine, Department of Internal Medicine, Kobe University Graduate School of Medicine, Kobe, Japan
| | - Hiroyuki Kawamori
- Division of Cardiovascular Medicine, Department of Internal Medicine, Kobe University Graduate School of Medicine, Kobe, Japan
| | - Takayoshi Toba
- Division of Cardiovascular Medicine, Department of Internal Medicine, Kobe University Graduate School of Medicine, Kobe, Japan
| | - Shunsuke Kakizaki
- Division of Cardiovascular Medicine, Department of Internal Medicine, Kobe University Graduate School of Medicine, Kobe, Japan
| | - Koichi Nakamura
- Division of Cardiovascular Medicine, Department of Internal Medicine, Kobe University Graduate School of Medicine, Kobe, Japan
| | - Daichi Fujimoto
- Division of Cardiovascular Medicine, Department of Internal Medicine, Kobe University Graduate School of Medicine, Kobe, Japan
| | - Satoru Sasaki
- Division of Cardiovascular Medicine, Department of Internal Medicine, Kobe University Graduate School of Medicine, Kobe, Japan
| | - Hiroyuki Fujii
- Division of Cardiovascular Medicine, Department of Internal Medicine, Kobe University Graduate School of Medicine, Kobe, Japan
| | - Yuto Osumi
- Division of Cardiovascular Medicine, Department of Internal Medicine, Kobe University Graduate School of Medicine, Kobe, Japan
| | - Tomoo Fujioka
- Division of Cardiovascular Medicine, Department of Internal Medicine, Kobe University Graduate School of Medicine, Kobe, Japan
| | - Makoto Nishimori
- Division of Cardiovascular Medicine, Department of Internal Medicine, Kobe University Graduate School of Medicine, Kobe, Japan.,Division of Epidemiology, Kobe University Graduate School of Medicine, Kobe, Japan
| | - Amane Kozuki
- Division of Cardiovascular Medicine, Osaka Saiseikai Nakatsu Hospital, Osaka, Japan
| | - Junya Shite
- Division of Cardiovascular Medicine, Osaka Saiseikai Nakatsu Hospital, Osaka, Japan
| | - Masamichi Iwasaki
- Department of Cardiology, Hyogo Prefectural Awaji Medical Centre, Sumoto, Japan
| | - Tomofumi Takaya
- Division of Cardiovascular Medicine, Hyogo Prefectural Harima-Himeji General Medical Center, Himeji, Japan
| | - Ken-Ichi Hirata
- Division of Cardiovascular Medicine, Department of Internal Medicine, Kobe University Graduate School of Medicine, Kobe, Japan
| | - Hiromasa Otake
- Division of Cardiovascular Medicine, Department of Internal Medicine, Kobe University Graduate School of Medicine, Kobe, Japan
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Hamana T, Otake H, Nishimori M, Kawamori H, Toba T, Hirata KI. PROGNOSTIC FACTORS FOR STENT FAILURE AFTER DRUG-ELUTING STENT IMPLANTATION FOR CALCIFIED NODULES: AN OPTICAL COHERENCE TOMOGRAPHY STUDY. J Am Coll Cardiol 2023. [DOI: 10.1016/s0735-1097(23)01235-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 03/06/2023]
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13
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Hamana T, Nishimori M, Otake H, Kawamori H, Toba T, Hirata KI. DEEP LEARNING-BASED PREDICTION OF CARDIOVASCULAR OUTCOMES USING OPTICAL COHERENCE TOMOGRAPHY IN PATIENTS WITH ACUTE CORONARY SYNDROME. J Am Coll Cardiol 2023. [DOI: 10.1016/s0735-1097(23)01558-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 03/06/2023]
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Kakizaki S, Otake H, Seike F, Kawamori H, Toba T, Nakano S, Tanimura K, Takahashi Y, Fukuyama Y, Fujimoto D, Nakamura K, Fujii H, Kozuki A, Shite J, Iwasaki M, Takaya T, Yamaguchi O, Hirata KI. Optical Coherence Tomography Fractional Flow Reserve and Cardiovascular Outcomes in Patients With Acute Coronary Syndrome. JACC Cardiovasc Interv 2022; 15:2035-2048. [PMID: 36182656 DOI: 10.1016/j.jcin.2022.08.010] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/07/2022] [Revised: 07/31/2022] [Accepted: 08/09/2022] [Indexed: 11/28/2022]
Abstract
BACKGROUND Optical coherence tomography-derived fractional flow reserve (OCT-FFR) correlates strongly with wire-based FFR; however, its clinical significance remains uncertain. OBJECTIVES The study sought to investigate the relationship between post-percutaneous coronary intervention (PCI) OCT-FFR and long-term clinical outcomes in acute coronary syndrome (ACS). METHODS This retrospective, multicenter, observational cohort study included consecutive patients with ACS who underwent OCT-guided emergency PCI. We analyzed post-PCI OCT images and calculated OCT-FFR to identify independent factors associated with target vessel failure (TVF) after PCI. RESULTS Among 364 enrolled patients, 54 experienced TVF during a median follow-up of 36 (IQR: 26-48) months. Vessel-level OCT-FFR was significantly lower in the TVF group than in the non-TVF group (0.87 vs 0.94; P < 0.001). In the multivariable Cox regression analysis, low vessel-level OCT-FFR (HR per 0.1 increase: 0.38; 95% CI: 0.29-0.49; P < 0.001) and thin-cap fibroatheroma in the nonculprit lesion were independently associated with TVF. The TVF rate of vessels with both low vessel-level OCT-FFR (<0.90) and thin-cap fibroatheroma in the nonculprit lesion was 8.1 times higher than that of all other vessels (69.3% vs 12.4%; HR: 8.13; 95% CI: 4.33-15.25; log-rank P < 0.001). Furthermore, adding vessel-level OCT-FFR to baseline characteristics and post-PCI OCT findings improved discriminatory and reclassification ability in identifying patients with subsequent TVF. CONCLUSIONS Vessel-level OCT-FFR was an independent factor associated with TVF after PCI in patients with ACS. Adding the OCT-FFR measurement to post-PCI OCT findings may enable better discrimination of patients with subsequent TVF after PCI for ACS. (Relationship between Intracoronary Optical Coherence Tomography Derived Virtual Fractional Flow Reserve and cardiovascular outcome on Acute coronary syndrome; UMIN000043858).
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Affiliation(s)
- Shunsuke Kakizaki
- Division of Cardiovascular Medicine, Department of Internal Medicine, Kobe University Graduate School of Medicine, Kobe, Japan
| | - Hiromasa Otake
- Division of Cardiovascular Medicine, Department of Internal Medicine, Kobe University Graduate School of Medicine, Kobe, Japan.
| | - Fumiyasu Seike
- Department of Cardiology, Pulmonology, Hypertension and Nephrology, Ehime University Graduate School of Medicine, Toon, Japan
| | - Hiroyuki Kawamori
- Division of Cardiovascular Medicine, Department of Internal Medicine, Kobe University Graduate School of Medicine, Kobe, Japan
| | - Takayoshi Toba
- Division of Cardiovascular Medicine, Department of Internal Medicine, Kobe University Graduate School of Medicine, Kobe, Japan
| | - Shinsuke Nakano
- Division of Cardiovascular Medicine, Department of Internal Medicine, Kobe University Graduate School of Medicine, Kobe, Japan
| | - Kosuke Tanimura
- Division of Cardiovascular Medicine, Department of Internal Medicine, Kobe University Graduate School of Medicine, Kobe, Japan
| | - Yu Takahashi
- Division of Cardiovascular Medicine, Department of Internal Medicine, Kobe University Graduate School of Medicine, Kobe, Japan
| | - Yusuke Fukuyama
- Division of Cardiovascular Medicine, Department of Internal Medicine, Kobe University Graduate School of Medicine, Kobe, Japan
| | - Daichi Fujimoto
- Division of Cardiovascular Medicine, Department of Internal Medicine, Kobe University Graduate School of Medicine, Kobe, Japan
| | - Koichi Nakamura
- Division of Cardiovascular Medicine, Department of Internal Medicine, Kobe University Graduate School of Medicine, Kobe, Japan
| | - Hiroyuki Fujii
- Division of Cardiovascular Medicine, Department of Internal Medicine, Kobe University Graduate School of Medicine, Kobe, Japan
| | - Amane Kozuki
- Division of Cardiovascular Medicine, Osaka Saiseikai Nakatsu Hospital, Osaka, Japan
| | - Junya Shite
- Division of Cardiovascular Medicine, Osaka Saiseikai Nakatsu Hospital, Osaka, Japan
| | - Masamichi Iwasaki
- Department of Cardiology, Hyogo Prefectural Awaji Medical Center, Sumoto, Japan
| | - Tomofumi Takaya
- Division of Cardiovascular Medicine, Hyogo Prefectural Himeji Cardiovascular Center, Himeji, Japan
| | - Osamu Yamaguchi
- Department of Cardiology, Pulmonology, Hypertension and Nephrology, Ehime University Graduate School of Medicine, Toon, Japan
| | - Ken-Ichi Hirata
- Division of Cardiovascular Medicine, Department of Internal Medicine, Kobe University Graduate School of Medicine, Kobe, Japan
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Takahashi Y, Toba T, Otake H, Kawamori H, Tanaka H, Hirata KI. Myocardial Stunning With Severe Functional Mitral Regurgitation in Transcatheter Aortic Valve Replacement ― Temporal Change in Transesophageal Echocardiographic Findings ―. Circ Rep 2022; 4:390-391. [PMID: 36032382 PMCID: PMC9360985 DOI: 10.1253/circrep.cr-22-0065] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2022] [Accepted: 07/04/2022] [Indexed: 11/09/2022] Open
Affiliation(s)
- Yu Takahashi
- Division of Cardiovascular Medicine, Department of Internal Medicine, Kobe University Graduate School of Medicine
| | - Takayoshi Toba
- Division of Cardiovascular Medicine, Department of Internal Medicine, Kobe University Graduate School of Medicine
| | - Hiromasa Otake
- Division of Cardiovascular Medicine, Department of Internal Medicine, Kobe University Graduate School of Medicine
| | - Hiroyuki Kawamori
- Division of Cardiovascular Medicine, Department of Internal Medicine, Kobe University Graduate School of Medicine
| | - Hidekazu Tanaka
- Division of Cardiovascular Medicine, Department of Internal Medicine, Kobe University Graduate School of Medicine
| | - Ken-ichi Hirata
- Division of Cardiovascular Medicine, Department of Internal Medicine, Kobe University Graduate School of Medicine
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Toba T, Otake H, Roy A, Choi G, Gobi N, Schaap M, Fujii H, Fujimoto D, Kakizaki S, Nakamura K, Takahashi Y, Fukuyama Y, Kawamori H, Taylor CA, Hirata KI. Diagnostic Performance of Fractional Flow Reserve Derived from Computed Tomography in Stented Coronary Arteries. J Cardiovasc Comput Tomogr 2022; 16:358-361. [DOI: 10.1016/j.jcct.2022.04.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/22/2021] [Revised: 03/24/2022] [Accepted: 04/25/2022] [Indexed: 10/18/2022]
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Takeuchi K, Tanaka H, Kawamori H, Ohta E, Suzuki M, Shimoura H, Izawa Y, Kodama Y, Hirata KI. Severe Functional Tricuspid Stenosis Due to Phosphoglyceride Crystal Deposition Disease in Right Atrium. JACC Case Rep 2022; 4:230-235. [PMID: 35199022 PMCID: PMC8855130 DOI: 10.1016/j.jaccas.2021.09.024] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2021] [Revised: 09/09/2021] [Accepted: 09/23/2021] [Indexed: 11/20/2022]
Abstract
This case report concerns a 72-year-old-female with severe functional tricuspid stenosis due to phosphoglyceride crystal deposition disease and a history of atrial septum closure and tricuspid valvuloplasty. Phosphoglyceride crystal deposition disease is extremely rare, and percutaneous transcatheter biopsy under intracardiac echocardiographic guidance proved to be useful for its diagnosis. (Level of Difficulty: Advanced.)
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Affiliation(s)
- Kimikazu Takeuchi
- Division of Cardiovascular Medicine, Department of Internal Medicine, Kobe University Graduate School of Medicine, Kobe, Japan
| | - Hidekazu Tanaka
- Division of Cardiovascular Medicine, Department of Internal Medicine, Kobe University Graduate School of Medicine, Kobe, Japan
- Address for correspondence: Dr Tanaka, Division of Cardiovascular Medicine, Department of Internal Medicine, Kobe University Graduate School of Medicine, Kobe, 7-5-2, Kusunoki-cho, Chuo-ku, Kobe 650-0017, Japan.
| | - Hiroyuki Kawamori
- Division of Cardiovascular Medicine, Department of Internal Medicine, Kobe University Graduate School of Medicine, Kobe, Japan
| | - Eri Ohta
- Division of Cardiovascular Medicine, Department of Internal Medicine, Kobe University Graduate School of Medicine, Kobe, Japan
| | - Makiko Suzuki
- Division of Cardiovascular Medicine, Department of Internal Medicine, Kobe University Graduate School of Medicine, Kobe, Japan
| | - Hiroyuki Shimoura
- Department of Cardiology, Kakogawa Central City Hospital, Kakogawa, Japan
| | - Yu Izawa
- Division of Cardiovascular Medicine, Department of Internal Medicine, Kobe University Graduate School of Medicine, Kobe, Japan
| | - Yoshinori Kodama
- Department of Diagnostic Pathology, Kobe University Graduate School of Medicine, Kobe, Japan
| | - Ken-ichi Hirata
- Division of Cardiovascular Medicine, Department of Internal Medicine, Kobe University Graduate School of Medicine, Kobe, Japan
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Fujimoto D, Otake H, Kawamori H, Toba T, Nagao M, Nakano S, Tanimura K, Takahashi Y, Fukuyama Y, Kakizaki S, Nakamura K, Harada A, Murakami K, Iino T, Toh R, Hirata KI. Cholesterol uptake capacity: A new measure of high-density lipoprotein functionality as a predictor of subsequent revascularization in patients undergoing percutaneous coronary intervention. Atherosclerosis 2022; 345:44-50. [DOI: 10.1016/j.atherosclerosis.2022.01.014] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/09/2021] [Revised: 12/24/2021] [Accepted: 01/19/2022] [Indexed: 12/28/2022]
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19
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Fujita H, Toba T, Miwa K, Suzuki M, Takahashi Y, Toh H, Izawa Y, Kawamori H, Otake H, Fujiwara S, Watanabe Y, Kono A, Hirata KI. The impact of computed tomography-derived aortic atheroma volume on prognosis after transcatheter aortic valve replacement. Int J Cardiol 2021; 344:60-65. [PMID: 34600978 DOI: 10.1016/j.ijcard.2021.09.053] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/30/2021] [Revised: 09/16/2021] [Accepted: 09/27/2021] [Indexed: 11/18/2022]
Abstract
BACKGROUND The impact of the extent of aortic atheroma on patients' prognosis after transcatheter aortic valve replacement (TAVR) has not been completely evaluated. This study aimed to evaluate the prognostic value of the aortic atheroma volume (AAV) derived from computed tomography, and the effect of its differences among the segments of the aorta, in patients undergoing TAVR. METHODS In total, 143 patients with symptomatic severe aortic stenosis who underwent pre-procedural computed tomography before TAVR procedure indication were evaluated. AAV was calculated by measuring the aortic lumen and vessel volume using every 1-mm axial image and was further divided into thoracic (TAAV) and abdominal segments (AbAAV). RESULTS During a median follow-up of 651 days, 24 all-cause and 14 cardiac deaths occurred. In the Kaplan-Meier analysis, the high AAV group had significantly higher all-cause and cardiac mortalities than the low AAV group (p = 0.016 and 0.023, respectively). Regarding segmental AAV, all-cause and cardiac mortalities did not have significant differences between the high and low TAAV groups. Moreover, all-cause and cardiac mortalities were significantly higher in the high AbAAV group than in the low AbAAV group (p = 0.0043 and 0.023, respectively). The multivariable analysis showed that only AbAAV was an independent predictor for all-cause mortality (hazard ratio: 1.06, p = 0.046). CONCLUSION AAV was significantly associated with the mortality after TAVR. The current study suggests the pre-procedural assessment of AAV is valuable in predicting prognosis after TAVR. However, further investigation with a larger sample size is needed to validate our findings.
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Affiliation(s)
- Hiroshi Fujita
- Division of Cardiovascular Medicine, Department of Internal Medicine, Kobe University Graduate School of Medicine, Kobe, Japan
| | - Takayoshi Toba
- Division of Cardiovascular Medicine, Department of Internal Medicine, Kobe University Graduate School of Medicine, Kobe, Japan.
| | - Keisuke Miwa
- Division of Cardiovascular Medicine, Department of Internal Medicine, Kobe University Graduate School of Medicine, Kobe, Japan
| | - Masataka Suzuki
- Division of Cardiovascular Medicine, Department of Internal Medicine, Kobe University Graduate School of Medicine, Kobe, Japan
| | - Yu Takahashi
- Division of Cardiovascular Medicine, Department of Internal Medicine, Kobe University Graduate School of Medicine, Kobe, Japan
| | - Hiroyuki Toh
- Division of Cardiovascular Medicine, Department of Internal Medicine, Kobe University Graduate School of Medicine, Kobe, Japan
| | - Yu Izawa
- Division of Cardiovascular Medicine, Department of Internal Medicine, Kobe University Graduate School of Medicine, Kobe, Japan
| | - Hiroyuki Kawamori
- Division of Cardiovascular Medicine, Department of Internal Medicine, Kobe University Graduate School of Medicine, Kobe, Japan
| | - Hiromasa Otake
- Division of Cardiovascular Medicine, Department of Internal Medicine, Kobe University Graduate School of Medicine, Kobe, Japan
| | - Sei Fujiwara
- Division of Cardiovascular Medicine, Department of Internal Medicine, Kobe University Graduate School of Medicine, Kobe, Japan
| | - Yoshiaki Watanabe
- Department of Radiology, Kobe University Graduate school of Medicine, Kobe, Japan
| | - Atsushi Kono
- Department of Radiology, Kobe University Graduate school of Medicine, Kobe, Japan
| | - Ken-Ichi Hirata
- Division of Cardiovascular Medicine, Department of Internal Medicine, Kobe University Graduate School of Medicine, Kobe, Japan
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20
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Toba T, Otake H, Roy A, Choi G, Gobi N, Schaap M, Takahashi Y, Fukuyama Y, Nakano S, Tanimura K, Matsuoka Y, Kawamori H, Taylor C, Ken-Ichi K. Diagnostic performance of fractional flow reserve derived from computed tomography in the stented coronary arteries. Eur Heart J 2021. [DOI: 10.1093/eurheartj/ehab724.1178] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
Abstract
Background
The current system of HeartFlow fractional flow reserve derived from computed tomography (FFRCT) is not available for stented coronary arteries. However, the latest version of HeartFlow FFRCT has the potential of rendering an accurate assessment for stented coronary arteries.
Objectives
To evaluate the feasibility of FFRCT for the stented coronary arteries.
Methods
We retrospectively enrolled patients with a history of coronary stent implantation who underwent invasive fractional flow reserve (FFR) for the stented coronary arteries within 3 months after coronary computed tomographic angiography (cCTA). As a subgroup analysis, we analyzed optical coherence tomography (OCT) images in patients who underwent OCT for stented vessels. OCT was performed as a part of the Kobe University Hospital OCT registry, which is a single-centre registry of consecutive patients who underwent OCT for the coronary arteries. The diagnostic performance of HeartFlow FFRCT for stented vessels was evaluated by comparing with that of cCTA alone. Minimum lumen area (MLA) within stent segments derived from cCTA was also compared with MLA derived from optical coherence tomography (OCT).
Results
A total of 30 vessels in 23 patients were studied. The diagnostic accuracy, sensitivity, specificity, positive and negative predictive value of FFRCT for myocardial ischemia using invasive FFR as a reference standard was 73.3%, 88.9%, 67.7%, 53.3% and 93.3%, respectively. FFRCT provided superior diagnostic performance than cCTA alone (p=0.016). FFRCT was significantly correlated with the invasive FFR (r=0.620, p<0.001), and Bland-Altman plot showed a mean bias of −0.041 with 95% limit of agreement of −0.173 to 0.092 (Figure 1). Among a total of 30 studied vessels, OCT was available for 25 vessels. MLA derived from cCTA correlated significantly with that derived from OCT (r=0.695, p<0.001), and Bland-Altman plot showed a mean bias of −0.32 mm2 with 95% limit of agreement of −2.89 to 2.25 mm2 (Figure 2).
Conclusions
The latest version of the HeartFlow FFRCT has the potential to be available for stented coronary arteries. Further investigation is required to elaborate our results.
Funding Acknowledgement
Type of funding sources: None. Figure 1Figure 2
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Affiliation(s)
- T Toba
- Kobe University Graduate School of Medicine, Kobe, Japan
| | - H Otake
- Kobe University Graduate School of Medicine, Kobe, Japan
| | - A Roy
- HeartFlow, Inc., Redwood City, United States of America
| | - G Choi
- HeartFlow, Inc., Redwood City, United States of America
| | - N Gobi
- HeartFlow, Inc., Redwood City, United States of America
| | - M Schaap
- HeartFlow, Inc., Redwood City, United States of America
| | - Y Takahashi
- Kobe University Graduate School of Medicine, Kobe, Japan
| | - Y Fukuyama
- Kobe University Graduate School of Medicine, Kobe, Japan
| | - S Nakano
- Kobe University Graduate School of Medicine, Kobe, Japan
| | - K Tanimura
- Kobe University Graduate School of Medicine, Kobe, Japan
| | - Y Matsuoka
- Kobe University Graduate School of Medicine, Kobe, Japan
| | - H Kawamori
- Kobe University Graduate School of Medicine, Kobe, Japan
| | - C Taylor
- HeartFlow, Inc., Redwood City, United States of America
| | - K Ken-Ichi
- Kobe University Graduate School of Medicine, Kobe, Japan
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21
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Suzuki M, Toba T, Izawa Y, Fujita H, Miwa K, Takahashi Y, Toh H, Kawamori H, Otake H, Tanaka H, Fujiwara S, Watanabe Y, Kono AK, Okada K, Hirata KI. Prognostic Impact of Myocardial Extracellular Volume Fraction Assessment Using Dual-Energy Computed Tomography in Patients Treated With Aortic Valve Replacement for Severe Aortic Stenosis. J Am Heart Assoc 2021; 10:e020655. [PMID: 34482711 PMCID: PMC8649554 DOI: 10.1161/jaha.120.020655] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Background Myocardial extracellular volume fraction (ECV), measured by cardiac magnetic resonance imaging, is a useful prognostic marker for patients who have undergone aortic valve replacement (AVR) for aortic stenosis. However, the prognostic significance of ECV measurements based on computed tomography (CT) is unclear. This study evaluated the association between ECV measured with dual-energy CT and clinical outcomes in patients with aortic stenosis who underwent transcatheter or surgical AVR. Methods and Results We retrospectively enrolled 95 consecutive patients (age, 84.0±5.0 years; 75% women) with severe aortic stenosis who underwent preprocedural CT for transcatheter AVR planning. ECV was measured using iodine density images obtained by delayed enhancement dual-energy CT. The primary end point was a composite outcome of all-cause death and hospitalization for heart failure after AVR. The mean ECV measured with CT was 28.1±3.8%. During a median follow-up of 2.6 years, 22 composite outcomes were observed, including 15 all-cause deaths and 11 hospitalizations for heart failure. In Kaplan-Meier analysis, the high ECV group (≥27.8% [median value]) had significantly higher rates of composite outcomes than the low ECV group (<27.8%) (log-rank test, P=0.012). ECV was the only independent predictor of adverse outcomes on multivariable Cox regression analysis (hazards ratio, 1.25; 95% CI, 1.10‒1.41; P<0.001). Conclusions Myocardial ECV measured with dual-energy CT in patients who underwent aortic valve intervention was an independent predictor of adverse outcomes after AVR.
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Affiliation(s)
- Masataka Suzuki
- Division of Cardiovascular Medicine Department of Internal Medicine Kobe University Graduate School of Medicine Japan
| | - Takayoshi Toba
- Division of Cardiovascular Medicine Department of Internal Medicine Kobe University Graduate School of Medicine Japan
| | - Yu Izawa
- Division of Cardiovascular Medicine Department of Internal Medicine Kobe University Graduate School of Medicine Japan
| | - Hiroshi Fujita
- Division of Cardiovascular Medicine Department of Internal Medicine Kobe University Graduate School of Medicine Japan
| | - Keisuke Miwa
- Division of Cardiovascular Medicine Department of Internal Medicine Kobe University Graduate School of Medicine Japan
| | - Yu Takahashi
- Division of Cardiovascular Medicine Department of Internal Medicine Kobe University Graduate School of Medicine Japan
| | - Hiroyuki Toh
- Division of Cardiovascular Medicine Department of Internal Medicine Kobe University Graduate School of Medicine Japan
| | - Hiroyuki Kawamori
- Division of Cardiovascular Medicine Department of Internal Medicine Kobe University Graduate School of Medicine Japan
| | - Hiromasa Otake
- Division of Cardiovascular Medicine Department of Internal Medicine Kobe University Graduate School of Medicine Japan
| | - Hidekazu Tanaka
- Division of Cardiovascular Medicine Department of Internal Medicine Kobe University Graduate School of Medicine Japan
| | - Sei Fujiwara
- Division of Cardiovascular Medicine Department of Internal Medicine Kobe University Graduate School of Medicine Japan
| | - Yoshiaki Watanabe
- Department of Radiology Kobe University Graduate School of Medicine Japan
| | - Atsushi K Kono
- Department of Radiology Kobe University Graduate School of Medicine Japan
| | - Kenji Okada
- Division of Cardiovascular Surgery Department of Surgery Kobe University Graduate School of Medicine Japan
| | - Ken-Ichi Hirata
- Division of Cardiovascular Medicine Department of Internal Medicine Kobe University Graduate School of Medicine Japan
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22
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Nakano S, Otake H, Kawamori H, Toba T, Sugizaki Y, Nagasawa A, Takeshige R, Matsuoka Y, Tanimura K, Takahashi Y, Fukuyama Y, Shite J, Kozuki A, Iwasaki M, Kuroda K, Takaya T, Hirata KI. Association Between Visit-to-Visit Variability in Low-Density Lipoprotein Cholesterol and Plaque Rupture That Leads to Acute Coronary Syndrome. Circ Rep 2021; 3:540-549. [PMID: 34568633 PMCID: PMC8423612 DOI: 10.1253/circrep.cr-21-0080] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2021] [Accepted: 06/25/2021] [Indexed: 12/20/2022] Open
Abstract
Background:
The effect of intraindividual variability in lipid levels on the onset of acute coronary syndrome (ACS) remains uncertain. We evaluated the relationship between intraindividual variability in lipid levels and culprit lesion morphologies by optical coherence tomography (OCT). Methods and Results:
Seventy-four consecutive patients with ACS whose cholesterol levels were assessed ≥3 times during outpatient visits before the onset of ACS were enrolled in the study; 222 patients without significant stenotic lesions were used as a control group. Based on OCT findings of culprit lesions, ACS patients were categorized into a plaque rupture ACS (PR-ACS) group (n=44) or a non-plaque rupture ACS (NPR-ACS) group (erosion or calcified nodule; n=30). Visit-to-visit variability in lipid levels was evaluated using the corrected variability independent of the mean (cVIM). Patients with ACS had significantly higher low-density lipoprotein cholesterol (LDL-C) levels and cVIM in LDL-C than the control group. The PR-ACS group had significantly higher mean LDL-C levels and greater cVIM in LDL-C than the control group. The PR-ACS group had a significantly higher cVIM than the NPR-ACS group, despite similar mean LDL-C levels. Multivariate analysis revealed that higher cVIM of LDL-C was an independent predictor of PR-ACS (odds ratio 1.06; P=0.018). Conclusions:
In addition to the LDL-C level, greater visit-to-visit variability in LDL-C levels may be associated with the onset of ACS induced by plaque rupture.
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Affiliation(s)
- Shinsuke Nakano
- Division of Cardiovascular Medicine, Department of Internal Medicine, Kobe University Graduate School of Medicine Kobe Japan
| | - Hiromasa Otake
- Division of Cardiovascular Medicine, Department of Internal Medicine, Kobe University Graduate School of Medicine Kobe Japan
| | - Hiroyuki Kawamori
- Division of Cardiovascular Medicine, Department of Internal Medicine, Kobe University Graduate School of Medicine Kobe Japan
| | - Takayoshi Toba
- Division of Cardiovascular Medicine, Department of Internal Medicine, Kobe University Graduate School of Medicine Kobe Japan
| | - Yoichiro Sugizaki
- Division of Cardiovascular Medicine, Department of Internal Medicine, Kobe University Graduate School of Medicine Kobe Japan
| | - Akira Nagasawa
- Division of Cardiovascular Medicine, Department of Internal Medicine, Kobe University Graduate School of Medicine Kobe Japan
| | - Ryo Takeshige
- Division of Cardiovascular Medicine, Department of Internal Medicine, Kobe University Graduate School of Medicine Kobe Japan
| | - Yoichiro Matsuoka
- Division of Cardiovascular Medicine, Department of Internal Medicine, Kobe University Graduate School of Medicine Kobe Japan
| | - Kosuke Tanimura
- Division of Cardiovascular Medicine, Department of Internal Medicine, Kobe University Graduate School of Medicine Kobe Japan
| | - Yu Takahashi
- Division of Cardiovascular Medicine, Department of Internal Medicine, Kobe University Graduate School of Medicine Kobe Japan
| | - Yusuke Fukuyama
- Division of Cardiovascular Medicine, Department of Internal Medicine, Kobe University Graduate School of Medicine Kobe Japan
| | - Junya Shite
- Division of Cardiology, Osaka Saiseikai Nakatsu Hospital Osaka Japan
| | - Amane Kozuki
- Division of Cardiology, Osaka Saiseikai Nakatsu Hospital Osaka Japan
| | - Masamichi Iwasaki
- Department of Cardiology, Hyogo Prefectural Awaji Medical Center Sumoto Japan
| | - Koji Kuroda
- Department of Cardiology, Hyogo Prefectural Awaji Medical Center Sumoto Japan
| | - Tomofumi Takaya
- Division of Cardiology, Hyogo Brain and Heart Center Himeji Japan
| | - Ken-Ichi Hirata
- Division of Cardiovascular Medicine, Department of Internal Medicine, Kobe University Graduate School of Medicine Kobe Japan
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23
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Takeshige R, Otake H, Kawamori H, Toba T, Nagano Y, Tsukiyama Y, Yanaka KI, Yamamoto H, Nagasawa A, Onishi H, Sugizaki Y, Nakano S, Matsuoka Y, Tanimura K, Hirata KI. Progression from normal vessel wall to atherosclerotic plaque: lessons from an optical coherence tomography study with follow-up of over 5 years. Heart Vessels 2021; 37:1-11. [PMID: 34338851 DOI: 10.1007/s00380-021-01889-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/12/2021] [Accepted: 06/11/2021] [Indexed: 11/25/2022]
Abstract
The initial process of atherosclerotic development has not been systematically evaluated. This study aimed to observe atherosclerotic progression from normal vessel wall (NVW) to atherosclerotic plaque and examine local factors associated with such progression using > 5-year long-term follow-up data obtained by serial optical coherence tomography (OCT). A total of 49 patients who underwent serial OCT for lesions with NVW over 5 years (average: 6.9 years) were enrolled. NVW was defined as a vessel wall with an OCT-detectable three-layer structure and intimal thickness ≤ 300 μm. Baseline and follow-up OCT images were matched, and OCT cross sections with NVW > 30° were enrolled. Cross sections were diagnosed as "progression" when the NVW in these cross sections was reduced by > 30° at > 5-year follow-up. Atherogenic progression from NVW to atherosclerotic plaque was observed in 40.8% of enrolled cross sections. The incidence of microchannels in an adjacent atherosclerotic plaque within the same cross section (6.7 vs. 3.3%; p = 0.046) and eccentric distribution of atherosclerotic plaque (25.0 vs. 12.6%; p < 0.001) at baseline was significantly higher in cross sections with progression than in those without. Cross sections with progression exhibited significantly higher NVW intimal thickness at baseline than cross sections without progression (200.1 ± 53.7 vs. 180.2 ± 59.6 μm; p < 0.001). Multivariate analysis revealed that the presence of microchannels in an adjacent atherosclerotic plaque, eccentric distribution of atherosclerotic plaque, and greater NVW intimal thickness at baseline were independently associated with progression at follow-up. The presence of microchannels in an adjacent atherosclerotic plaque, eccentric distribution of atherosclerotic plaque, and greater NVW intimal thickness were potentially associated with initial atherosclerotic development from NVW to atherosclerotic plaque.
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Affiliation(s)
- Ryo Takeshige
- Division of Cardiovascular Medicine, Department of Internal Medicine, Kobe University Graduate School of Medicine, 7-5-2 Kusunoki-cho, Chuo-ku, Kobe, Hyogo, 650-0017, Japan
| | - Hiromasa Otake
- Division of Cardiovascular Medicine, Department of Internal Medicine, Kobe University Graduate School of Medicine, 7-5-2 Kusunoki-cho, Chuo-ku, Kobe, Hyogo, 650-0017, Japan.
| | - Hiroyuki Kawamori
- Division of Cardiovascular Medicine, Department of Internal Medicine, Kobe University Graduate School of Medicine, 7-5-2 Kusunoki-cho, Chuo-ku, Kobe, Hyogo, 650-0017, Japan
| | - Takayoshi Toba
- Division of Cardiovascular Medicine, Department of Internal Medicine, Kobe University Graduate School of Medicine, 7-5-2 Kusunoki-cho, Chuo-ku, Kobe, Hyogo, 650-0017, Japan
| | - Yuichiro Nagano
- Division of Cardiovascular Medicine, Department of Internal Medicine, Kobe University Graduate School of Medicine, 7-5-2 Kusunoki-cho, Chuo-ku, Kobe, Hyogo, 650-0017, Japan
| | - Yoshiro Tsukiyama
- Division of Cardiovascular Medicine, Department of Internal Medicine, Kobe University Graduate School of Medicine, 7-5-2 Kusunoki-cho, Chuo-ku, Kobe, Hyogo, 650-0017, Japan
| | - Ken-Ichi Yanaka
- Division of Cardiovascular Medicine, Department of Internal Medicine, Kobe University Graduate School of Medicine, 7-5-2 Kusunoki-cho, Chuo-ku, Kobe, Hyogo, 650-0017, Japan
| | - Hiroyuki Yamamoto
- Division of Cardiovascular Medicine, Department of Internal Medicine, Kobe University Graduate School of Medicine, 7-5-2 Kusunoki-cho, Chuo-ku, Kobe, Hyogo, 650-0017, Japan
| | - Akira Nagasawa
- Division of Cardiovascular Medicine, Department of Internal Medicine, Kobe University Graduate School of Medicine, 7-5-2 Kusunoki-cho, Chuo-ku, Kobe, Hyogo, 650-0017, Japan
| | - Hiroyuki Onishi
- Division of Cardiovascular Medicine, Department of Internal Medicine, Kobe University Graduate School of Medicine, 7-5-2 Kusunoki-cho, Chuo-ku, Kobe, Hyogo, 650-0017, Japan
| | - Yoichiro Sugizaki
- Division of Cardiovascular Medicine, Department of Internal Medicine, Kobe University Graduate School of Medicine, 7-5-2 Kusunoki-cho, Chuo-ku, Kobe, Hyogo, 650-0017, Japan
| | - Shinsuke Nakano
- Division of Cardiovascular Medicine, Department of Internal Medicine, Kobe University Graduate School of Medicine, 7-5-2 Kusunoki-cho, Chuo-ku, Kobe, Hyogo, 650-0017, Japan
| | - Yoichiro Matsuoka
- Division of Cardiovascular Medicine, Department of Internal Medicine, Kobe University Graduate School of Medicine, 7-5-2 Kusunoki-cho, Chuo-ku, Kobe, Hyogo, 650-0017, Japan
| | - Kosuke Tanimura
- Division of Cardiovascular Medicine, Department of Internal Medicine, Kobe University Graduate School of Medicine, 7-5-2 Kusunoki-cho, Chuo-ku, Kobe, Hyogo, 650-0017, Japan
| | - Ken-Ichi Hirata
- Division of Cardiovascular Medicine, Department of Internal Medicine, Kobe University Graduate School of Medicine, 7-5-2 Kusunoki-cho, Chuo-ku, Kobe, Hyogo, 650-0017, Japan
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24
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Tanimura K, Otake H, Kawamori H, Toba T, Nagasawa A, Nakano S, Takahashi Y, Fukuyama Y, Kozuki A, Shite J, Iwasaki M, Kuroda K, Takaya T, Hirata KI. Morphological Plaque Characteristics and Clinical Outcomes in Patients With Acute Coronary Syndrome and a Cancer History. J Am Heart Assoc 2021; 10:e020243. [PMID: 34308680 PMCID: PMC8475681 DOI: 10.1161/jaha.120.020243] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Abstract
Background Although patients with a cancer history have a 2 to 3 times higher risk for acute coronary syndrome (ACS), the morphological characteristics of ACS culprit plaque in those patients and their relations with clinical outcomes remain unknown. Methods and Results This retrospective, multicenter, observational cohort study included consecutive patients with ACS who underwent optical coherence tomography‐guided emergent percutaneous coronary intervention. Patients were categorized into those without a cancer history, those with a cancer history, and those currently receiving cancer treatment. ACS culprit lesions were classified as plaque rupture, plaque erosion, or calcified nodule using optical coherence tomography. Plaque erosion frequency was significantly higher in culprit lesions of patients with current cancer and patients with cancer history than in those of patients without cancer history (56.3% versus 61.7% versus 36.5%). Calcified nodule incidence was significantly higher in patients without cancer history than in patients with current cancer and patients without cancer history (patients with current cancer: 12.4% versus patients without cancer history: 25.5% versus patients without cancer history: 12.6%, P<0.001). Cancer history was independently associated with nonplaque rupture (plaque erosion or calcified nodule) in ACS culprit lesions (odds ratio, 4.00; P<0.001). Cancer history was independently associated with major adverse cardiovascular events (hazard ratio [HR], 1.98; P=0.002). Nonplaque rupture in ACS culprit lesions was independently associated with major adverse cardiovascular events (HR, 1.60; P=0.011). Conclusions Patients with a cancer history had significantly worse clinical outcomes after ACS than those without a cancer history. Those with a cancer history had significantly higher plaque erosion and calcified nodule incidences in the ACS culprit lesions, which might partly explain their worse clinical outcomes. Registration URL: www.umin.ac.jp/ctr/index.htm. Unique Identifier: UMIN000038442.
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Affiliation(s)
- Kosuke Tanimura
- Division of Cardiovascular Medicine Department of Internal Medicine Kobe University Graduate School of Medicine Kobe Japan
| | - Hiromasa Otake
- Division of Cardiovascular Medicine Department of Internal Medicine Kobe University Graduate School of Medicine Kobe Japan
| | - Hiroyuki Kawamori
- Division of Cardiovascular Medicine Department of Internal Medicine Kobe University Graduate School of Medicine Kobe Japan
| | - Takayoshi Toba
- Division of Cardiovascular Medicine Department of Internal Medicine Kobe University Graduate School of Medicine Kobe Japan
| | - Akira Nagasawa
- Division of Cardiovascular Medicine Department of Internal Medicine Kobe University Graduate School of Medicine Kobe Japan
| | - Shinsuke Nakano
- Division of Cardiovascular Medicine Department of Internal Medicine Kobe University Graduate School of Medicine Kobe Japan
| | - Yu Takahashi
- Division of Cardiovascular Medicine Department of Internal Medicine Kobe University Graduate School of Medicine Kobe Japan
| | - Yusuke Fukuyama
- Division of Cardiovascular Medicine Department of Internal Medicine Kobe University Graduate School of Medicine Kobe Japan
| | - Amane Kozuki
- Division of Cardiovascular Medicine Osaka Saiseikai Nakatsu Hospital Osaka Japan
| | - Junya Shite
- Division of Cardiovascular Medicine Osaka Saiseikai Nakatsu Hospital Osaka Japan
| | - Masamichi Iwasaki
- Department of Cardiology Hyogo Prefectural Awaji Medical Center Sumoto Japan
| | - Koji Kuroda
- Department of Cardiology Hyogo Prefectural Awaji Medical Center Sumoto Japan
| | - Tomofumi Takaya
- Division of Cardiovascular Medicine Hyogo Prefectural Himeji Cardiovascular Center Himeji Japan
| | - Ken-Ichi Hirata
- Division of Cardiovascular Medicine Department of Internal Medicine Kobe University Graduate School of Medicine Kobe Japan
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25
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Toba T, Kawamori H, Otake H, Hirata KI. Successful percutaneous balloon aortic valvuloplasty for worsening paravalvular leakage detected one week after the balloon expandable transcatheter aortic valve replacement. Cardiovasc Interv Ther 2021; 37:417-419. [PMID: 34086267 DOI: 10.1007/s12928-021-00787-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2021] [Accepted: 05/31/2021] [Indexed: 10/21/2022]
Affiliation(s)
- Takayoshi Toba
- Division of Cardiovascular Medicine, Department of Internal Medicine, Kobe University Graduate School of Medicine, 7-5-2, Kusunoki-cho, Chuo-ku, Kobe, 6500017, Japan.
| | - Hiroyuki Kawamori
- Division of Cardiovascular Medicine, Department of Internal Medicine, Kobe University Graduate School of Medicine, 7-5-2, Kusunoki-cho, Chuo-ku, Kobe, 6500017, Japan
| | - Hiromasa Otake
- Division of Cardiovascular Medicine, Department of Internal Medicine, Kobe University Graduate School of Medicine, 7-5-2, Kusunoki-cho, Chuo-ku, Kobe, 6500017, Japan
| | - Ken-Ichi Hirata
- Division of Cardiovascular Medicine, Department of Internal Medicine, Kobe University Graduate School of Medicine, 7-5-2, Kusunoki-cho, Chuo-ku, Kobe, 6500017, Japan
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26
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Yamamoto H, Shinke T, Otake H, Kawamori H, Toba T, Kuroda M, Hirota Y, Sakaguchi K, Ogawa W, Hirata K. Impact of daily glucose fluctuations on cardiovascular outcomes after percutaneous coronary intervention for patients with stable coronary artery disease undergoing lipid-lowering therapy. J Diabetes Investig 2021; 12:1015-1024. [PMID: 33098191 PMCID: PMC8169349 DOI: 10.1111/jdi.13448] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/08/2020] [Accepted: 10/20/2020] [Indexed: 12/20/2022] Open
Abstract
AIMS/INTRODUCTION Glucose fluctuation (GF) is a residual risk factor for coronary artery disease (CAD). We investigated whether GF influenced clinical outcomes and progression of coronary stenosis in stable CAD patients. MATERIALS AND METHODS In this prospective study, 101 consecutive lipid-controlled stable CAD patients underwent percutaneous coronary intervention were enrolled, and GF was expressed as the mean amplitude of glycemic excursion (MAGE) obtained by continuous glucose monitoring before the procedure was evaluated. At 9 months after enrollment, culprit and non-culprit (mild-to-moderate stenosis without ischemia) lesions were serially assessed by angiography. Cardiovascular events (CVE) consisting of cardiovascular death, non-fatal myocardial infarction or ischemia-driven revascularization during 2-year follow up, rapid progression in non-culprit lesions (defined as ≥10% luminal narrowing progression in lesions with stenosis ≥50%, ≥30% luminal narrowing progression in non-culprit lesions with stenosis <50% or normal segment, or progression to total occlusion) were evaluated. RESULTS CVE occurred in 25 patients, and MAGE was significantly higher in the CVE group (76.1 ± 24.8 mg/dL vs 59.3 ± 23.7 mg/dL; P = 0.003). Multivariate analysis showed that MAGE was an independent predictor of CVE (odds ratio 1.027, 95% confidence interval 1.008-1.047; P = 0.005). The optimal MAGE value to predict CVE was 70.7 mg/dL (area under the curve 0.687, 95% confidence interval 0.572-0.802; P = 0.005). Furthermore, MAGE was independently associated with rapid progression, and with the luminal narrowing progression in all non-culprit lesions (r = 0.400, P < 0.05). CONCLUSIONS Daily GF might influence future CVE in lipid-controlled stable CAD patients.
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Affiliation(s)
- Hiroyuki Yamamoto
- Division of Cardiovascular MedicineDepartment of Internal MedicineKobe University Graduate School of MedicineKobeJapan
| | - Toshiro Shinke
- Division of Cardiovascular MedicineDepartment of Internal MedicineKobe University Graduate School of MedicineKobeJapan
- Division of CardiologyDepartment of MedicineShowa University School of MedicineTokyoJapan
| | - Hiromasa Otake
- Division of Cardiovascular MedicineDepartment of Internal MedicineKobe University Graduate School of MedicineKobeJapan
| | - Hiroyuki Kawamori
- Division of Cardiovascular MedicineDepartment of Internal MedicineKobe University Graduate School of MedicineKobeJapan
| | - Takayoshi Toba
- Division of Cardiovascular MedicineDepartment of Internal MedicineKobe University Graduate School of MedicineKobeJapan
| | - Masaru Kuroda
- Division of Cardiovascular MedicineDepartment of Internal MedicineKobe University Graduate School of MedicineKobeJapan
| | - Yushi Hirota
- Division of Diabetes and EndocrinologyDepartment of Internal MedicineKobe University Graduate School of MedicineKobeJapan
| | - Kazuhiko Sakaguchi
- Division of Diabetes and EndocrinologyDepartment of Internal MedicineKobe University Graduate School of MedicineKobeJapan
| | - Wataru Ogawa
- Division of Diabetes and EndocrinologyDepartment of Internal MedicineKobe University Graduate School of MedicineKobeJapan
| | - Ken‐ichi Hirata
- Division of Cardiovascular MedicineDepartment of Internal MedicineKobe University Graduate School of MedicineKobeJapan
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27
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Toba T, Shinke T, Otake H, Kawamori H, Matsukawa N, Matsuura A, Ishihara T, Matsumoto D, Igarashi N, Hayashi T, Yasaka Y, Kadotani M, Fujii T, Shite J, Okada M, Sakakibara T, Hirata KI. Impact of the Antithrombotic Effects of Prasugrel on Mid-Term Vascular Healing in Acute Coronary Syndrome vs. Stable Coronary Artery Disease. Circ J 2021; 85:808-816. [PMID: 33431718 DOI: 10.1253/circj.cj-20-0872] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Abstract
BACKGROUND The impact of antiplatelet drug effects on mid-term local arterial responses following percutaneous coronary intervention (PCI) remains uncertain. We evaluated the impact of the platelet reactivity of prasugrel on mid-term vascular healing between acute coronary syndrome (ACS) and stable coronary artery disease (CAD).Methods and Results:We conducted a prospective, 12-center study in 125 patients with ACS and 126 patients with stable CAD who underwent PCI with an everolimus-eluting stent (EES) and received dual antiplatelet therapy (DAPT) with prasugrel and aspirin. Serial optical coherence tomography (OCT) was performed immediately after PCI and at the 9-month follow-up to assess the association of P2Y12reaction units (PRU) with the frequency of malapposed or uncovered struts and intrastent thrombi (IST). The incidence of abnormal mid-term OCT findings did not different between the ACS and CAD arms, regardless of clinical presentation, except that uncovered struts were more frequent in the ACS than CAD arm. PRU at PCI was significantly associated with the frequency of IST at follow-up, but not with uncovered and malapposed struts. PRU at PCI was the only independent predictor of IST detected at follow-up (odds ratio 1.009). CONCLUSIONS In patients undergoing EES implantation and receiving prasugrel, achieving an adequate antiplatelet effect at the time of stent implantation may regulate thrombus formation throughout the follow-up period.
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Affiliation(s)
| | - Toshiro Shinke
- Kobe University Graduate School of Medicine.,Showa University School of Medicine
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28
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Nagasawa A, Otake H, Kawamori H, Toba T, Sugizaki Y, Takeshige R, Nakano S, Tanimura K, Takahashi Y, Fukuyama Y, Kozuki A, Shite J, Iwasaki M, Kuroda K, Takaya T, Hirata KI. Relationship among clinical characteristics, morphological culprit plaque features, and long-term prognosis in patients with acute coronary syndrome. Int J Cardiovasc Imaging 2021; 37:2827-2837. [PMID: 33982195 DOI: 10.1007/s10554-021-02252-w] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/07/2021] [Accepted: 04/21/2021] [Indexed: 11/25/2022]
Abstract
Culprit lesions of acute coronary syndrome (ACS) could be classified as plaque rupture (PR), erosion, or calcified nodule (CN). We aimed to determine the relationship among clinical characteristics, morphological plaque features, and long-term prognosis in ACS. Patients with ACS, who underwent pre-intervention optical coherence tomography between April 2013 and July 2018 were retrospectively enrolled, and classified into the three groups based on the culprit lesion morphology. In the 436 patients enrolled, incidences of PR, erosion, and CN in ACS culprit lesions were 46.1, 39.9, and 14.0%, respectively. Plaque erosion was more frequent in men aged < 60 years and CN was more frequent in older adults in both sexes (≥ 80 years) (P < 0.001). Patients with CN had a higher incidence of hemodialysis treatment (P < 0.001) and diabetes (P = 0.003). Multivariate analysis revealed that ST elevation myocardial infarction (STEMI) (P = 0.049) and presence of thin-cap fibroatheroma (TCFA) at the culprit lesion were independently associated with PR; in younger patients (< 60 year), preserved left ventricular ejection fraction and lower incidence of TCFA were correlated with plaque erosion; and older age, non-STEMI, or unstable angina pectoris, higher serum brain natriuretic peptide levels, and lower incidence of TCFA were independently associated with CN. Multivariable analysis revealed that CN (odds ratio [OR] 1.990, P = 0.005), male sex (OR 2.012, P = 0.004), and older age (OR 1.036, P < 0.001) were independently associated with future adverse events during a median follow-up of 757 days. Different patient characteristics and morphological features were associated with the type of culprit lesion in patients with ACS.
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Affiliation(s)
- Akira Nagasawa
- Division of Cardiovascular Medicine, Department of Internal Medicine, Kobe University Graduate School of Medicine, 7-5-1 Kusunoki-cho, Chuo-ku, Kobe, Hyogo, 650-0017, Japan
| | - Hiromasa Otake
- Division of Cardiovascular Medicine, Department of Internal Medicine, Kobe University Graduate School of Medicine, 7-5-1 Kusunoki-cho, Chuo-ku, Kobe, Hyogo, 650-0017, Japan.
| | - Hiroyuki Kawamori
- Division of Cardiovascular Medicine, Department of Internal Medicine, Kobe University Graduate School of Medicine, 7-5-1 Kusunoki-cho, Chuo-ku, Kobe, Hyogo, 650-0017, Japan
| | - Takayoshi Toba
- Division of Cardiovascular Medicine, Department of Internal Medicine, Kobe University Graduate School of Medicine, 7-5-1 Kusunoki-cho, Chuo-ku, Kobe, Hyogo, 650-0017, Japan
| | - Yoichiro Sugizaki
- Division of Cardiovascular Medicine, Department of Internal Medicine, Kobe University Graduate School of Medicine, 7-5-1 Kusunoki-cho, Chuo-ku, Kobe, Hyogo, 650-0017, Japan
| | - Ryo Takeshige
- Division of Cardiovascular Medicine, Department of Internal Medicine, Kobe University Graduate School of Medicine, 7-5-1 Kusunoki-cho, Chuo-ku, Kobe, Hyogo, 650-0017, Japan
| | - Shinsuke Nakano
- Division of Cardiovascular Medicine, Department of Internal Medicine, Kobe University Graduate School of Medicine, 7-5-1 Kusunoki-cho, Chuo-ku, Kobe, Hyogo, 650-0017, Japan
| | - Kosuke Tanimura
- Division of Cardiovascular Medicine, Department of Internal Medicine, Kobe University Graduate School of Medicine, 7-5-1 Kusunoki-cho, Chuo-ku, Kobe, Hyogo, 650-0017, Japan
| | - Yu Takahashi
- Division of Cardiovascular Medicine, Department of Internal Medicine, Kobe University Graduate School of Medicine, 7-5-1 Kusunoki-cho, Chuo-ku, Kobe, Hyogo, 650-0017, Japan
| | - Yusuke Fukuyama
- Division of Cardiovascular Medicine, Department of Internal Medicine, Kobe University Graduate School of Medicine, 7-5-1 Kusunoki-cho, Chuo-ku, Kobe, Hyogo, 650-0017, Japan
| | - Amane Kozuki
- Division of Cardiovascular Medicine, Osaka Saiseikai Nakatsu Hospital, Osaka, Japan
| | - Junya Shite
- Division of Cardiovascular Medicine, Osaka Saiseikai Nakatsu Hospital, Osaka, Japan
| | - Masamichi Iwasaki
- Division of Cardiovascular Medicine, Hyogo Prefectural Awaji Medical Center, Sumoto, Japan
| | - Koji Kuroda
- Division of Cardiovascular Medicine, Hyogo Prefectural Awaji Medical Center, Sumoto, Japan
| | - Tomofumi Takaya
- Division of Cardiovascular Medicine, Hyogo Prefectural Himeji Cardiovascular Center, Himeji, Japan
| | - Ken-Ichi Hirata
- Division of Cardiovascular Medicine, Department of Internal Medicine, Kobe University Graduate School of Medicine, 7-5-1 Kusunoki-cho, Chuo-ku, Kobe, Hyogo, 650-0017, Japan
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29
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Komaki K, Yoshida N, Satomi-Kobayashi S, Tsuboi Y, Ogawa M, Wakida K, Toba T, Kawamori H, Otake H, Omura A, Yamanaka K, Inoue T, Yamashita T, Sakai Y, Izawa KP, Okada K, Hirata KI. Preoperative frailty affects postoperative complications, exercise capacity, and home discharge rates after surgical and transcatheter aortic valve replacement. Heart Vessels 2021; 36:1234-1245. [PMID: 33615425 PMCID: PMC7897515 DOI: 10.1007/s00380-021-01793-3] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/08/2020] [Accepted: 01/22/2021] [Indexed: 01/06/2023]
Abstract
Assessment of frailty is important for risk stratification among the elderly with severe aortic stenosis (AS) when considering interventions such as surgical aortic valve replacement (SAVR) or transcatheter aortic valve replacement (TAVR). However, evidence of the impact of preoperative frailty on short-term postoperative outcomes or functional recovery is limited. This retrospective study included 234 consecutive patients with severe AS who underwent SAVR or TAVR at Kobe University Hospital between Dec 2013 and Dec 2019. Primary outcomes were postoperative complications, postoperative 6-min walking distance (6MWD), and home discharge rates. The mean age was 82 ± 6.6 years. There were 169 (SAVR: 80, TAVR: 89) and 65 (SAVR: 20, TAVR: 45) patients in the non-frail and frail groups, respectively (p = 0.02). The postoperative complication rates in the frail group were significantly higher than those in the non-frail group [30.8% (SAVR: 35.0%, TAVR: 28.9%) vs. 10.7% (SAVR: 15.0%, TAVR: 6.7%), p < 0.001]. The home discharge rate in the non-frail group was significantly higher than that in the frail group [85.2% (SAVR: 81.2%, TAVR: 88.8%) vs. 49.2% (SAVR: 55.0%, TAVR: 46.7%), p < 0.001]. The postoperative 6MWD in the non-frail group was significantly longer than that in the frail group [299.3 ± 87.8 m (SAVR: 321.9 ± 90.8 m, TAVR: 281.1 ± 81.3 m) vs. 141.9 ± 92.4 m (SAVR: 167.8 ± 92.5 m, TAVR: 131.6 ± 91.3 m), p < 0.001]. The TAVR group did not show a decrease in the 6MWD after intervention, regardless of frailty. We report for the first time that preoperative frailty was strongly associated with postoperative complications, 6MWD, and home discharge rates following both SAVR and TAVR. Preoperative frailty assessment may provide useful indications for planning better individualized therapeutic interventions and supporting comprehensive intensive care before and after interventions.
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Affiliation(s)
- Kodai Komaki
- Division of Rehabilitation Medicine, Kobe University Hospital, Kobe, Japan
| | - Naofumi Yoshida
- Division of Cardiovascular Medicine, Department of Internal Medicine, Kobe University Graduate School of Medicine, 7-5-2, Kusunoki-cho, Chuo-ku, Kobe, Hyogo, 650-0017, Japan
| | - Seimi Satomi-Kobayashi
- Division of Cardiovascular Medicine, Department of Internal Medicine, Kobe University Graduate School of Medicine, 7-5-2, Kusunoki-cho, Chuo-ku, Kobe, Hyogo, 650-0017, Japan.
| | - Yasunori Tsuboi
- Division of Rehabilitation Medicine, Kobe University Hospital, Kobe, Japan
| | - Masato Ogawa
- Division of Rehabilitation Medicine, Kobe University Hospital, Kobe, Japan.,Department of Public Health, Kobe University Graduate School of Health Sciences, Kobe, Japan
| | - Kumiko Wakida
- Department of Nutrition, Kobe University Hospital, Kobe, Japan
| | - Takayoshi Toba
- Division of Cardiovascular Medicine, Department of Internal Medicine, Kobe University Graduate School of Medicine, 7-5-2, Kusunoki-cho, Chuo-ku, Kobe, Hyogo, 650-0017, Japan
| | - Hiroyuki Kawamori
- Division of Cardiovascular Medicine, Department of Internal Medicine, Kobe University Graduate School of Medicine, 7-5-2, Kusunoki-cho, Chuo-ku, Kobe, Hyogo, 650-0017, Japan
| | - Hiromasa Otake
- Division of Cardiovascular Medicine, Department of Internal Medicine, Kobe University Graduate School of Medicine, 7-5-2, Kusunoki-cho, Chuo-ku, Kobe, Hyogo, 650-0017, Japan
| | - Atsushi Omura
- Division of Cardiovascular Surgery, Department of Surgery, Kobe University Graduate School of Medicine, Kobe, Japan
| | - Katsuhiro Yamanaka
- Division of Cardiovascular Surgery, Department of Surgery, Kobe University Graduate School of Medicine, Kobe, Japan
| | - Takeshi Inoue
- Division of Cardiovascular Surgery, Department of Surgery, Kobe University Graduate School of Medicine, Kobe, Japan
| | - Tomoya Yamashita
- Division of Cardiovascular Medicine, Department of Internal Medicine, Kobe University Graduate School of Medicine, 7-5-2, Kusunoki-cho, Chuo-ku, Kobe, Hyogo, 650-0017, Japan
| | - Yoshitada Sakai
- Division of Rehabilitation Medicine, Kobe University Graduate School of Medicine, Kobe, Japan
| | - Kazuhiro P Izawa
- Department of Public Health, Kobe University Graduate School of Health Sciences, Kobe, Japan
| | - Kenji Okada
- Division of Cardiovascular Surgery, Department of Surgery, Kobe University Graduate School of Medicine, Kobe, Japan
| | - Ken-Ichi Hirata
- Division of Cardiovascular Medicine, Department of Internal Medicine, Kobe University Graduate School of Medicine, 7-5-2, Kusunoki-cho, Chuo-ku, Kobe, Hyogo, 650-0017, Japan
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30
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Kawamori H, Konishi A, Shinke T, Akahori H, Ishihara M, Tsujita H, Otake H, Toba T, Nakano S, Tanimura K, Tsukiyama Y, Nanba I, Kakei Y, Yasuda T, Omori T, Kubo T, Kozuki A, Shite J, Hirata KI. Efficacy of optical frequency domain imaging in detecting peripheral artery disease: the result of a multi-center, open-label, single-arm study. Heart Vessels 2021; 36:818-826. [PMID: 33481085 DOI: 10.1007/s00380-020-01758-y] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/28/2020] [Accepted: 12/11/2020] [Indexed: 12/31/2022]
Abstract
Optical frequency domain imaging (OFDI) is a high-resolution intracoronary imaging modality with fast automated longitudinal pullback. We aimed to evaluate the ability of performing OFDI from the superficial femoral artery (SFA) to the below-knee (BK) artery. This clinical trial was a multi-center, single-arm, open-label study. The primary endpoint was to obtain a clear image of the intra-vascular lumen from the SFA to the BK artery, specifically > 270° visualization of the blood vessel lumen with > 16/21 cross sections. The proportion of the clear image (≥ 85%) was regarded as confirmatory of the ability of OFDI to visualize the vessel lumen. Overall, 20 patients were enrolled. The proportion of the primary endpoint was 90% (18/20), and the pre-specified criterion was successfully attained. The proportion of the clear image assessed by the operator was 100% (20/20), and an additional statistical analysis for the proportion of the visualization, > 270°, of the blood vessel lumen revealed a significantly higher cut-off value than that for the pre-specified criterion, 85% (p = 0.0315). There were three adverse events not related to OFDI. OFDI achieved acceptable visualization of the vessel lumen without any adverse event related to it. After regulatory approval based on the present study, OFDI will be available as a new option of endovascular imaging for peripheral artery diseases in daily practiceTrial registration: This study was registered in the Japanese Registry of Clinical Trials (jRCT 2052190025, https://jrct.niph.go.jp/latest-detail/jRCT2052190025 ).
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Affiliation(s)
- Hiroyuki Kawamori
- Division of Cardiovascular Medicine, Department of Internal Medicine, Graduate School of Medicine, Kobe University, Kobe, Japan
| | - Akihide Konishi
- Division of Cardiovascular Medicine, Department of Internal Medicine, Graduate School of Medicine, Kobe University, Kobe, Japan. .,Clinical and Translational Research Center, Kobe University Hospital, 7-5-1 Kusunoki-cho, Chuo-ku, Kobe, Hyogo, 650-0017, Japan.
| | - Toshiro Shinke
- Division of Cardiovascular Medicine, Department of Internal Medicine, Graduate School of Medicine, Kobe University, Kobe, Japan.,Division of Cardiovascular Medicine, School of Medicine, Showa University, Shinagawa, Japan
| | - Hirokuni Akahori
- Department of Cardiovascular and Renal Medicine, Hyogo College of Medicine, Nishinomiya, Japan
| | - Masaharu Ishihara
- Department of Cardiovascular and Renal Medicine, Hyogo College of Medicine, Nishinomiya, Japan
| | - Hiroaki Tsujita
- Division of Cardiovascular Medicine, School of Medicine, Showa University, Shinagawa, Japan
| | - Hiromasa Otake
- Division of Cardiovascular Medicine, Department of Internal Medicine, Graduate School of Medicine, Kobe University, Kobe, Japan
| | - Takayoshi Toba
- Division of Cardiovascular Medicine, Department of Internal Medicine, Graduate School of Medicine, Kobe University, Kobe, Japan
| | - Shinsuke Nakano
- Division of Cardiovascular Medicine, Department of Internal Medicine, Graduate School of Medicine, Kobe University, Kobe, Japan
| | - Kosuke Tanimura
- Division of Cardiovascular Medicine, Department of Internal Medicine, Graduate School of Medicine, Kobe University, Kobe, Japan
| | | | - Isao Nanba
- Clinical and Translational Research Center, Kobe University Hospital, 7-5-1 Kusunoki-cho, Chuo-ku, Kobe, Hyogo, 650-0017, Japan
| | - Yasumasa Kakei
- Clinical and Translational Research Center, Kobe University Hospital, 7-5-1 Kusunoki-cho, Chuo-ku, Kobe, Hyogo, 650-0017, Japan
| | - Takahiro Yasuda
- Advanced Medical-Engineering Development Center, Kobe University, Kobe, Japan
| | - Takashi Omori
- Clinical and Translational Research Center, Kobe University Hospital, 7-5-1 Kusunoki-cho, Chuo-ku, Kobe, Hyogo, 650-0017, Japan
| | - Takashi Kubo
- Department of Cardiovascular Medicine, Wakayama Medical University, Wakayama, Japan
| | - Amane Kozuki
- Division of Cardiology, Osaka Saiseikai Nakatsu Hospital, Osaka, Japan
| | - Junya Shite
- Division of Cardiology, Osaka Saiseikai Nakatsu Hospital, Osaka, Japan
| | - Ken-Ichi Hirata
- Division of Cardiovascular Medicine, Department of Internal Medicine, Graduate School of Medicine, Kobe University, Kobe, Japan
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31
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Takahashi Y, Toba T, Otake H, Fukuyama Y, Nakano S, Matsuoka Y, Tanimura K, Izawa Y, Kawamori H, Kono AK, Fujiwara S, Hirata KI. Feasibility of morphological assessment of coronary artery calcification with electrocardiography-gated non-contrast computed tomography: a comparative study with optical coherence tomography. Int J Cardiovasc Imaging 2020; 37:1445-1453. [PMID: 33151511 DOI: 10.1007/s10554-020-02093-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/13/2020] [Accepted: 10/28/2020] [Indexed: 10/23/2022]
Abstract
To investigate the feasibility of pre-procedural morphological assessment of coronary artery calcification in severely calcified lesions with electrocardiography (ECG)-gated non-contrast computed tomography (CT). Severely calcified coronary arteries in patients who underwent ECG-gated non-contrast CT prior to optical coherence tomography (OCT)-guided percutaneous coronary intervention (PCI) were studied retrospectively. CT and OCT data were co-registered by marking landmark structures such as side branches and reviewed side by side with cross-sectional images. The maximum calcium angle (MCA) and presence of nodular calcification (NC) were evaluated. A total of 496 cross-sections in 16 lesions were included in this analysis. The Pearson correlation coefficient between CT- and OCT-derived MCA was 0.92 (p < 0.001). Bland-Altman plots of OCT-derived MCA in relation to CT-derived MCA showed a mean bias of 4.8 degrees with 95% limits of agreement of - 69.7 to 79.4 degrees. Sensitivity, specificity, and positive and negative predictive values of CT in identifying MCA > 270 degrees were 90.3%, 79.7%, 92.1%, and 97.4%, respectively. Sensitivity, specificity, and positive and negative predictive values of CT in identifying NC were 73.3%, 97.5%, 47.8%, and 99.2%, respectively. ECG-gated non-contrast coronary CT might be helpful to obtain detailed information of severe coronary artery calcification before PCI.
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Affiliation(s)
- Yu Takahashi
- Division of Cardiovascular Medicine, Department of Internal Medicine, Kobe University Graduate School of Medicine, 7-5-2, Kusunoki-cho, Chuo-ku, Kobe, 6500017, Japan
| | - Takayoshi Toba
- Division of Cardiovascular Medicine, Department of Internal Medicine, Kobe University Graduate School of Medicine, 7-5-2, Kusunoki-cho, Chuo-ku, Kobe, 6500017, Japan.
| | - Hiromasa Otake
- Division of Cardiovascular Medicine, Department of Internal Medicine, Kobe University Graduate School of Medicine, 7-5-2, Kusunoki-cho, Chuo-ku, Kobe, 6500017, Japan
| | - Yusuke Fukuyama
- Division of Cardiovascular Medicine, Department of Internal Medicine, Kobe University Graduate School of Medicine, 7-5-2, Kusunoki-cho, Chuo-ku, Kobe, 6500017, Japan
| | - Shinsuke Nakano
- Division of Cardiovascular Medicine, Department of Internal Medicine, Kobe University Graduate School of Medicine, 7-5-2, Kusunoki-cho, Chuo-ku, Kobe, 6500017, Japan
| | - Yoichiro Matsuoka
- Division of Cardiovascular Medicine, Department of Internal Medicine, Kobe University Graduate School of Medicine, 7-5-2, Kusunoki-cho, Chuo-ku, Kobe, 6500017, Japan
| | - Kosuke Tanimura
- Division of Cardiovascular Medicine, Department of Internal Medicine, Kobe University Graduate School of Medicine, 7-5-2, Kusunoki-cho, Chuo-ku, Kobe, 6500017, Japan
| | - Yu Izawa
- Division of Cardiovascular Medicine, Department of Internal Medicine, Kobe University Graduate School of Medicine, 7-5-2, Kusunoki-cho, Chuo-ku, Kobe, 6500017, Japan
| | - Hiroyuki Kawamori
- Division of Cardiovascular Medicine, Department of Internal Medicine, Kobe University Graduate School of Medicine, 7-5-2, Kusunoki-cho, Chuo-ku, Kobe, 6500017, Japan
| | - Atsushi K Kono
- Department of Radiology, Kobe University Graduate School of Medicine, 7-5-2, Kusunoki-cho, Chuo-ku, Kobe, 6500017, Japan
| | - Sei Fujiwara
- Division of Cardiovascular Medicine, Department of Internal Medicine, Kobe University Graduate School of Medicine, 7-5-2, Kusunoki-cho, Chuo-ku, Kobe, 6500017, Japan
| | - Ken-Ichi Hirata
- Division of Cardiovascular Medicine, Department of Internal Medicine, Kobe University Graduate School of Medicine, 7-5-2, Kusunoki-cho, Chuo-ku, Kobe, 6500017, Japan
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32
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Fukuyama Y, Otake H, Seike F, Kawamori H, Toba T, Nagasawa A, Nakano S, Tanimura K, Takahashi Y, Sasabe K, Shite J, Iwasaki M, Takaya T, Yasuda K, Hirata K. Potential relationship between high wall shear stress and plaque rupture that cause acute coronary syndrome: insights from optical coherence tomography based computational fluid dynamic simulation. Eur Heart J 2020. [DOI: 10.1093/ehjci/ehaa946.0321] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Abstract
Background
The direct relationship between plaque rupture (PR) that cause acute coronary syndrome (ACS) and wall shear stress (WSS) remains uncertain.
Methods
From the Kobe University ACS-OCT registry, one hundred ACS patients whose culprit lesions had PR documented by optical coherence tomography (OCT) were enrolled. Lesion-specific 3D coronary artery models were created using OCT data. Specifically, at the ruptured portion, the tracing of the luminal edge of the residual fibrous cap was smoothly extrapolated to reconstruct the luminal contour before PR. Then, WSS was computed from computational fluid dynamics (CFD) analysis by a single core laboratory. Relationships between WSS and the location of PR were assessed with 1) longitudinal 3-mm segmental analysis and 2) circumferential analysis. In the longitudinal segmental analysis, each culprit lesion was subdivided into five 3-mm segments with respect to the minimum lumen area (MLA) location at the centered segment (Figure. 1). In the circumferential analysis, we measured WSS values at five points from PR site and non-PR site on the cross-sections with PR. Also, each ruptured plaque was categorized into the lateral type PR (L-PR), central type PR (C-PR), and others according to the relation between the site of tearing and the cavity (Figure. 2).
Results
In the longitudinal 3-mm segmental analysis, the incidences of PR at upstream (UP1 and 2), MLA, and downstream (DN1 and 2) were 45%, 40%, and 15%, respectively. The highest average WSS was located in UP1 in the upstream PR (UP1: 15.5 (10.4–26.3) vs. others: 6.8 (3.3–14.7) Pa, p<0.001) and MLA segment in the MLA PR (MLA: 18.8 (6.0–34.3) vs. others: 6.5 (3.1–11.8) Pa, p<0.001), and the second highest WSS was located at DN1 in the downstream PR (DN1: 5.8 (3.7–11.5) vs. others: 5.5 (3.7–16.5) Pa, p=0.035). In the circumferential analysis, the average WSS at PR site was significantly higher than that of non-PR site (18.7 (7.2–35.1) vs. 13.9 (5.2–30.3) Pa, p<0.001). The incidence of L-PR, C-PR, and others were 51%, 42%, and 7%, respectively. In the L-PR, the peak WSS was most frequently observed in the lateral site (66.7%), whereas that in the C-PR was most frequently observed in the center site (70%) (Figure. 3). In the L-PR, the peak WSS value was significantly lower (44.6 (19.6–65.2) vs. 84.7 (36.6–177.5) Pa, p<0.001), and the thickness of broken fibrous cap was significantly thinner (40 (30–50) vs. 80 (67.5–100) μm, p<0.001), and the lumen area at peak WSS site was significantly larger than those of C-PR (1.5 (1.3–2.0) vs. 1.4 (1.1–1.6) mm2, p=0.008). Multivariate analysis demonstrated that the presence of peak WSS at lateral site, thinner broken fibrous cap thickness, and larger lumen area at peak WSS site were independently associated with the development of the L-PR.
Conclusions
A combined approach with CFD simulation and morphological plaque evaluation by using OCT might be helpful to predict future ACS events induced by PR.
Funding Acknowledgement
Type of funding source: None
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Affiliation(s)
- Y Fukuyama
- Kobe University Graduate School of Medicine, Division of Cardiovascular Medicine, Department of Internal Medicine, Kobe, Japan
| | - H Otake
- Kobe University Graduate School of Medicine, Division of Cardiovascular Medicine, Department of Internal Medicine, Kobe, Japan
| | - F Seike
- Ehime University Graduate School of Medicine, Department of Cardiology, Pulmonology, Hypertension & Nephrology, Matsuyama, Japan
| | - H Kawamori
- Kobe University Graduate School of Medicine, Division of Cardiovascular Medicine, Department of Internal Medicine, Kobe, Japan
| | - T Toba
- Kobe University Graduate School of Medicine, Division of Cardiovascular Medicine, Department of Internal Medicine, Kobe, Japan
| | - A Nagasawa
- Kobe University Graduate School of Medicine, Division of Cardiovascular Medicine, Department of Internal Medicine, Kobe, Japan
| | - S Nakano
- Kobe University Graduate School of Medicine, Division of Cardiovascular Medicine, Department of Internal Medicine, Kobe, Japan
| | - K Tanimura
- Kobe University Graduate School of Medicine, Division of Cardiovascular Medicine, Department of Internal Medicine, Kobe, Japan
| | - Y Takahashi
- Kobe University Graduate School of Medicine, Division of Cardiovascular Medicine, Department of Internal Medicine, Kobe, Japan
| | - K Sasabe
- Ehime University Graduate School of Science and Engineering, Department of Mechanical Engineering, Matsuyama, Japan
| | - J Shite
- Osaka Saiseikai Nakatsu Hospital, Division of Cardiovascular Medicine, Osaka, Japan
| | - M Iwasaki
- Hyogo Prefectural Awaji Hospital, Division of Cardiovascular Medicine, Sumoto, Japan
| | - T Takaya
- Hyogo Brain and Heart Center, Division of Cardiovascular Medicine, Himeji, Japan
| | - K Yasuda
- Ehime University Graduate School of Science and Engineering, Department of Mechanical Engineering, Matsuyama, Japan
| | - K Hirata
- Kobe University Graduate School of Medicine, Division of Cardiovascular Medicine, Department of Internal Medicine, Kobe, Japan
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Tanimura K, Otake H, Kawamori H, Toba T, Nagasawa A, Sugizaki Y, Takeshige R, Nakano S, Takahashi Y, Fukuyama Y, Kozuki A, Shite J, Iwasaki M, Takaya T, Hirata K. Morphological plaque characteristics and clinical outcomes of acute coronary syndrome patients with a cancer history. Eur Heart J 2020. [DOI: 10.1093/ehjci/ehaa946.3281] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Abstract
Background
Although previous studies have reported that patients with a history of cancer have 2–3 times higher risks for acute coronary syndrome (ACS), morphological culprit plaque characteristics in ACS patients with a cancer history and their relations with clinical outcomes remain unknown.
Methods
The Kobe University ACS-OCT registry is a multi-center registry of consecutive ACS patients who underwent OCT-guided emergent PCI in Japanese four centers. All patients were categorized into the patients without a history of cancer (non-cancer), those with a history of cancer who diagnosed more than one year before ACS (historical), and those with ongoing cancer treatment or diagnosis within one year before ACS (current). ACS culprit lesions were classified into plaque rupture (PR), plaque erosion (PE), and calcified nodule (CN) according to morphological features by OCT and clinical events were collected after the onset of ACS.
Results
Among 436 patients, 63 patients (14.4%) had a history of cancer or ongoing treatment of cancer (cancer patients). Cancer patients were significantly older than non-cancer patients (73.4±9.4 vs. 66.9±12.9, p=0.001), and non-ST segment elevation ACS was more frequently observed in cancer patients than in non-cancer patients (57.1% vs. 43.2%, p=0.039). Regarding the ACS culprit lesion, the frequency of PR was significantly lower and the frequencies of PE and CN were significantly higher in the cancer patients than in the non-cancer patients (Figure A1). The cumulative incidence of major adverse cardiovascular event (MACE: composite of cardiac death, non-fatal myocardial infarction, and any revascularization, stroke, and heart failure with admission) after the onset of ACS in cancer patients was significantly higher than that in the non-cancer patients (Figure B1). When the cancer patients were categorized into the historical and the current cancer patients, the frequency of PE was higher in the current and the historical cancer patients than the non-cancer patients. Also, the incidence of CN was significantly higher in the historical cancer patients than others (Figure A2). The cumulative incidence of MACE was significantly higher in the current cancer patients, followed by historical and non-cancer patients (Figure B2). Cox regression analyses demonstrated that the non-PR lesion (hazard ratio (HR) 0.65, 0.46–0.94, p=0.021), patients with multivessel disease (HR 2.55, 1.79–3.64, p<0.001), older patients (HR 1.02, 1.00–1.03, p=0.043) were independently associated with MACE after ACS. Moreover, multivariate analysis demonstrated that cancer history (HR 4.64, 2.34–9.21, p<0.001) and non-ST segment elevation ACS (HR 0.66, 2.34–9.21, p=0.038) were independently associated with non-PR lesion.
Conclusions
The present study revealed the difference in morphological plaque characteristics between cancer and non-cancer patients, which might explain potential underlying mechanisms for worse outcomes in cancer patients.
Funding Acknowledgement
Type of funding source: None
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Affiliation(s)
- K Tanimura
- Kobe University, Division of Cardiovascular Medicine, Department of Internal medicine, Kobe, Japan
| | - H Otake
- Kobe University, Division of Cardiovascular Medicine, Department of Internal medicine, Kobe, Japan
| | - H Kawamori
- Kobe University, Division of Cardiovascular Medicine, Department of Internal medicine, Kobe, Japan
| | - T Toba
- Kobe University, Division of Cardiovascular Medicine, Department of Internal medicine, Kobe, Japan
| | - A Nagasawa
- Kobe University, Division of Cardiovascular Medicine, Department of Internal medicine, Kobe, Japan
| | - Y Sugizaki
- Kobe University, Division of Cardiovascular Medicine, Department of Internal medicine, Kobe, Japan
| | - R Takeshige
- Kobe University, Division of Cardiovascular Medicine, Department of Internal medicine, Kobe, Japan
| | - S Nakano
- Kobe University, Division of Cardiovascular Medicine, Department of Internal medicine, Kobe, Japan
| | - Y Takahashi
- Kobe University, Division of Cardiovascular Medicine, Department of Internal medicine, Kobe, Japan
| | - Y Fukuyama
- Kobe University, Division of Cardiovascular Medicine, Department of Internal medicine, Kobe, Japan
| | - A Kozuki
- Osaka Saiseikai Nakatsu Hospital, Division of Cardiovascular Medicine, Osaka, Japan
| | - J Shite
- Osaka Saiseikai Nakatsu Hospital, Division of Cardiovascular Medicine, Osaka, Japan
| | - M Iwasaki
- Hyogo Prefectural Awaji Hospital, Division of Cardiovascular Medicine, Sumoto, Japan
| | - T Takaya
- Hyogo Brain and Heart Center, Division of Cardiovascular Medicine, Himeji, Japan
| | - K Hirata
- Kobe University, Division of Cardiovascular Medicine, Department of Internal medicine, Kobe, Japan
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Fujimoto D, Otake H, Kawamori H, Toba T, Nagao M, Sugizaki Y, Nagasawa A, Takeshige R, Harada A, Murakami K, Iino T, Irino Y, Toh R, Hirata K. Cholesterol uptake capacity: a new measure of HDL functionality as a predictor of subsequent revascularization in patients undergoing percutaneous coronary intervention. Eur Heart J 2020. [DOI: 10.1093/ehjci/ehaa946.1497] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
Abstract
Background
Recent studies have demonstrated the importance of high-density lipoprotein (HDL) functionality in the development of de novo coronary artery disease by using the cholesterol-efflux capacity, a measure of the ability of HDL to promote cholesterol removal from lipid-laden macrophages. Recently, we developed a rapid cell-free assay system to directly evaluate the capacity of HDL to accept additional cholesterol; the measurement of the cholesterol-uptake capacity (CUC) enables HDL functionality to be readily evaluated in our daily practice. However, prognostic implication of CUC measurement at the timing of percutaneous coronary intervention (PCI) remains unclear.
Purpose
We aimed to evaluate the association between baseline CUC and revascularization during follow-up in the patients who underwent PCI.
Methods
We retrospectively reviewed the patients who underwent PCI with follow-up coronary angiography (CAG) or ischemic-driven revascularization. The patients who had the frozen blood samples of which CUC were measurable at the index PCI and follow-up CAG or revascularization were enrolled. We excluded the patients under hemodialysis.
Results
Among a total of 703 consecutive patients who underwent PCI between Dec 2014 and Mar 2019, we finally enrolled 74 patients who underwent ischemic-driven revascularization (revascularization group) and 183 patients who underwent follow-up CAG without revascularization (non-revascularization group).There were no significant difference in baseline traditional cardiovascular risk factors between the groups. However, the presence of diabetes was significantly more frequent in the revascularization group (63.5% vs 41.0%; P=0.001) than in the non-revascularization group. CUC at the index PCI was significantly lower in the revascularization group than in the non-revascularization group (87.0±19.5 vs 93.9±19.2; P=0.004). Multivariate logistic regression analysis revealed that impaired HDL functionality assessed by decreased CUC level at the index PCI (odds ratio; 0.984, 95% confidence interval; 0.969–1.000) was independently associated with subsequent revascularization after PCI. Indeed, there was a graded inverse association between increasing tertiles of CUC levels and the incidence of revascularization during a median follow-up of 881 days (Figure). Especially in the subgroup analysis of non-diabetic patients, decreased CUC level at the index PCI was independently associated with subsequent revascularization (odds ratio; 0.947, 95% confidence interval; 0.915–0.981), while not in diabetic population.
Conclusion
Serum CUC level at the index procedure was associated with subsequent revascularization especially in non-diabetic patients who underwent PCI.
Funding Acknowledgement
Type of funding source: None
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Affiliation(s)
- D Fujimoto
- Kobe University Graduate School of Medicine, Division of Cardiovascular Medicine, Department of Internal Medicine, Kobe, Japan
| | - H Otake
- Kobe University Graduate School of Medicine, Division of Cardiovascular Medicine, Department of Internal Medicine, Kobe, Japan
| | - H Kawamori
- Kobe University Graduate School of Medicine, Division of Cardiovascular Medicine, Department of Internal Medicine, Kobe, Japan
| | - T Toba
- Kobe University Graduate School of Medicine, Division of Cardiovascular Medicine, Department of Internal Medicine, Kobe, Japan
| | - M Nagao
- Kobe University Graduate School of Medicine, Division of Evidence-based Laboratory Medicine, Kobe, Japan
| | - Y Sugizaki
- Kobe University Graduate School of Medicine, Division of Cardiovascular Medicine, Department of Internal Medicine, Kobe, Japan
| | - A Nagasawa
- Kobe University Graduate School of Medicine, Division of Cardiovascular Medicine, Department of Internal Medicine, Kobe, Japan
| | - R Takeshige
- Kobe University Graduate School of Medicine, Division of Cardiovascular Medicine, Department of Internal Medicine, Kobe, Japan
| | - A Harada
- Central Research Laboratories, Sysmex Corporation, Kobe, Japan
| | - K Murakami
- Central Research Laboratories, Sysmex Corporation, Kobe, Japan
| | - T Iino
- Central Research Laboratories, Sysmex Corporation, Kobe, Japan
| | - Y Irino
- Central Research Laboratories, Sysmex Corporation, Kobe, Japan
| | - R Toh
- Kobe University Graduate School of Medicine, Division of Evidence-based Laboratory Medicine, Kobe, Japan
| | - K Hirata
- Kobe University Graduate School of Medicine, Division of Cardiovascular Medicine, Department of Internal Medicine, Kobe, Japan
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Sugizaki Y, Otake H, Kuroda K, Kawamori H, Toba T, Nagasawa A, Takeshige R, Nakano S, Matsuoka Y, Tanimura K, Takahashi Y, Fukuyama Y, Hirata KI. Concomitant Use of Rosuvastatin and Eicosapentaenoic Acid Significantly Prevents Native Coronary Atherosclerotic Progression in Patients With In-Stent Neoatherosclerosis. Circ J 2020; 84:1826-1836. [PMID: 32759543 DOI: 10.1253/circj.cj-20-0199] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Abstract
BACKGROUND In-stent neoatherosclerosis (NA) is a risk for future cardiovascular events through atherosclerotic progression in non-stented lesions. Using optical coherence tomography, this study assessed the efficacy of intensive therapy with 10 mg/day rosuvastatin plus 1,800 mg/day eicosapentaenoic acid (EPA) vs. standard 2.5 mg/day rosuvastatin therapy on native coronary plaques in patients with NA.Methods and Results:This was a subgroup analysis of the randomized LINK-IT trial, which was designed to compare changes in the lipid index in NA between intensive and standard therapy for 12 months. In all, 42 patients with native coronary plaques and NA were assessed. Compared with standard therapy, intensive therapy resulted in greater decreases in serum low-density lipoprotein cholesterol concentrations and greater increases in serum 18-hydroxyeicosapentaenoic acid concentrations, with significantly greater decreases in the lipid index and macrophage grade in both NA (-24 vs. 217 [P<0.001] and -15 vs. 24 [P<0.001], respectively) and native coronary plaques (-112 vs. 29 [P<0.001] and -17 vs. 1 [P<0.001], respectively) following intensive therapy. Although there was a greater increase in the macrophage grade in NA than in native coronary plaques in the standard therapy group, in the intensive therapy group there were comparable reductions in macrophage grade between NA and native coronary plaques. CONCLUSIONS Compared with standard therapy, intensive therapy prevented atherosclerotic progression more effectively in native coronary plaques in patients with NA.
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Affiliation(s)
- Yoichiro Sugizaki
- Division of Cardiovascular Medicine, Department of Internal Medicine, Kobe University Graduate School of Medicine
| | - Hiromasa Otake
- Division of Cardiovascular Medicine, Department of Internal Medicine, Kobe University Graduate School of Medicine
| | - Koji Kuroda
- Division of Cardiovascular Medicine, Department of Internal Medicine, Kobe University Graduate School of Medicine
| | - Hiroyuki Kawamori
- Division of Cardiovascular Medicine, Department of Internal Medicine, Kobe University Graduate School of Medicine
| | - Takayoshi Toba
- Division of Cardiovascular Medicine, Department of Internal Medicine, Kobe University Graduate School of Medicine
| | - Akira Nagasawa
- Division of Cardiovascular Medicine, Department of Internal Medicine, Kobe University Graduate School of Medicine
| | - Ryo Takeshige
- Division of Cardiovascular Medicine, Department of Internal Medicine, Kobe University Graduate School of Medicine
| | - Shinsuke Nakano
- Division of Cardiovascular Medicine, Department of Internal Medicine, Kobe University Graduate School of Medicine
| | - Yoichiro Matsuoka
- Division of Cardiovascular Medicine, Department of Internal Medicine, Kobe University Graduate School of Medicine
| | - Kosuke Tanimura
- Division of Cardiovascular Medicine, Department of Internal Medicine, Kobe University Graduate School of Medicine
| | - Yu Takahashi
- Division of Cardiovascular Medicine, Department of Internal Medicine, Kobe University Graduate School of Medicine
| | - Yusuke Fukuyama
- Division of Cardiovascular Medicine, Department of Internal Medicine, Kobe University Graduate School of Medicine
| | - Ken-Ichi Hirata
- Division of Cardiovascular Medicine, Department of Internal Medicine, Kobe University Graduate School of Medicine
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Yanaka K, Konishi A, Shinke T, Kozuki A, Kawamori H, Tsukiyama Y, Iida O, Kadotani M, Omori T, Hirata KI. Open-Label Multicenter Registry on the Outcomes of In-Stent Restenosis Treated by Balloon Angioplasty with Optical Frequency Domain Imaging in the Superficial Femoral Artery (ISLAND-SFA Study). Ann Vasc Dis 2020; 13:291-299. [PMID: 33384733 PMCID: PMC7751072 DOI: 10.3400/avd.oa.20-00077] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Objectives: Balloon angioplasty for in-stent restenosis (ISR) in the superficial femoral artery (SFA) has a high recurrent restenosis rate; however, its mechanism has not been fully and precisely evaluated using high-resolution intravascular imaging. Thus, we aimed to evaluate the relationship between vascular features obtained by optical frequency domain imaging (OFDI) and recurrent restenosis at 6 months. Methods: This was a prospective multicenter single-arm study. OFDI was performed before and after balloon angioplasty, and vascular features were assessed. A multi-layered ISR pattern detected by OFDI was defined as several signal-poor appearances with a high-signal band adjacent to the luminal surface. The primary outcome was defined as recurrent restenosis 6 months after balloon angioplasty. Results: Given that this study was terminated early, only 18 patients completed the 6-month follow-up; of these, 8 developed restenosis. Recurrent restenosis at 6 months tended to be related to a multi-layered ISR pattern (odds ratio (OR), 6.67; 95% confidence interval (CI), 0.81-54.96; p=0.078) and the minimum lumen area (MLA) after balloon angioplasty (OR, 0.71; 95%CI, 0.48-1.04; p=0.077). Conclusion: A multi-layered ISR pattern and MLA after balloon angioplasty detected by OFDI might be risk factors for recurrent ISR in the SFA.
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Affiliation(s)
- Kenichi Yanaka
- Division of Cardiovascular Medicine, Department of Internal Medicine, Kobe University Graduate School of Medicine
| | - Akihide Konishi
- Division of Cardiovascular Medicine, Department of Internal Medicine, Kobe University Graduate School of Medicine.,Clinical & Translational Research Center, Kobe University Hospital
| | - Toshiro Shinke
- Division of Cardiovascular Medicine, Department of Internal Medicine, Kobe University Graduate School of Medicine.,Division of Cardiology, Department of Medicine, Showa University School of Medicine
| | - Amane Kozuki
- Division of Cardiology, Osaka Saiseikai Nakatsu Hospital
| | - Hiroyuki Kawamori
- Division of Cardiovascular Medicine, Department of Internal Medicine, Kobe University Graduate School of Medicine
| | - Yoshiro Tsukiyama
- Division of Cardiovascular Medicine, Department of Internal Medicine, Kobe University Graduate School of Medicine
| | - Osamu Iida
- Cardiovascular Center, Kansai Rosai Hospital
| | | | - Takashi Omori
- Clinical & Translational Research Center, Kobe University Hospital
| | - Ken-Ichi Hirata
- Division of Cardiovascular Medicine, Department of Internal Medicine, Kobe University Graduate School of Medicine
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Toba T, Otake H, Choi G, Kim HJ, Onishi H, Sugizaki Y, Takeshige R, Nagasawa A, Nagano Y, Tsukiyama Y, Yanaka K, Yamamoto H, Kawamori H, Mori S, Kawata M, Taylor CA, Hirata KI. Wall Shear Stress and Plaque Vulnerability: Computational Fluid Dynamics Analysis Derived From cCTA and OCT. JACC Cardiovasc Imaging 2020; 14:315-317. [PMID: 32950454 DOI: 10.1016/j.jcmg.2020.07.034] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/24/2019] [Revised: 06/08/2020] [Accepted: 07/30/2020] [Indexed: 11/29/2022]
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Tsukiyama Y, Konishi A, Shinke T, Kozuki A, Otake H, Kawamori H, Yanaka K, Iida O, Ishihara T, Inoue T, Iwasaki M, Kadotani M, Matsukawa N, Noutomi K, Kakei Y, Nanba I, Omori T, Shite J, Hirata KI. Open-label multicenter registry on the outcomes of peripheral arterial disease treated by balloon angioplasty with optical frequency domain imaging in superficial femoral artery and popliteal artery (OCEAN-SFA study). Cardiovasc Interv Ther 2020; 36:321-329. [PMID: 32601825 DOI: 10.1007/s12928-020-00679-x] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2020] [Accepted: 05/24/2020] [Indexed: 12/01/2022]
Abstract
Although balloon angioplasty for femoropopliteal artery lesions has been associated with restenosis rates of up to 60% at 12 months, the mechanism of restenosis has not been fully evaluated. The aim of this study was to evaluate the relationship between the vascular features observed on optical frequency domain imaging (OFDI) before and after balloon angioplasty of femoropopliteal artery lesions, and restenosis at 6 months. This study was a prospective multicenter single arm study. OFDI was performed before and after balloon angioplasty and plaque characteristics and vascular features, along with de novo lesions, were assessed. The primary outcome was the presence or absence of restenosis 6 months after balloon angioplasty. Residual platelet reactivity was assessed according to VerifyNow platelet reactivity units (PRUs). The number of patients completing 6 months of follow-up was 47, of which 14 had developed restenosis. Maximum thickness of the dissection flap (odds ratio (OR) 2.71; 95% confidence interval [0.9-8.0]; p = 0.071) and lesion length were identified as risk factors for restenosis (OR 1.015; 95% confidence interval [0.001-0.029]; p = 0.039). The mean PRU at the time of treatment in patients with restenosis was significantly higher than in those without restenosis (286.3 ± 82.6 vs. 208.5 ± 03.6, p = 0.026). Long lesions and major dissection on OFDI after balloon angioplasty for femoropopliteal artery lesions increase restenosis at 6 months. In addition, high residual platelet reactivity at the time of EVT may also be a risk factor for restenosis.Clinical Trial Registration Number UMIN000021120.
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Affiliation(s)
- Yoshiro Tsukiyama
- Division of Cardiovascular Medicine, Department of Internal Medicine, Kobe University Graduate School of Medicine, Kobe, Japan.,Division of Cardiovascular Medicine, Hyogo Prefectural Himeji Cardiovascular Center, Himeji, Japan
| | - Akihide Konishi
- Division of Cardiovascular Medicine, Department of Internal Medicine, Kobe University Graduate School of Medicine, Kobe, Japan.,Clinical and Translational Research Center, Kobe University Hospital, Kobe, Japan
| | - Toshiro Shinke
- Division of Cardiovascular Medicine, Department of Internal Medicine, Kobe University Graduate School of Medicine, Kobe, Japan. .,Division of Cardiology, Department of Medicine, Showa University School of Medicine, 1-5-8 Hatanodai, Shinagawa-ku, Tokyo, 142-8555, Japan.
| | - Amane Kozuki
- Division of Cardiology, Osaka Saiseikai Nakatsu Hospital, Osaka, Japan
| | - Hiromasa Otake
- Division of Cardiovascular Medicine, Department of Internal Medicine, Kobe University Graduate School of Medicine, Kobe, Japan
| | - Hiroyuki Kawamori
- Division of Cardiovascular Medicine, Department of Internal Medicine, Kobe University Graduate School of Medicine, Kobe, Japan
| | - Kenichi Yanaka
- Division of Cardiovascular Medicine, Department of Internal Medicine, Kobe University Graduate School of Medicine, Kobe, Japan
| | - Osamu Iida
- Cardiovascular Center, Kansai Rosai Hospital, Amagasaki, Japan
| | | | - Takumi Inoue
- Department of Cardiology, Hyogo Prefectural Awaji Medical Center, Sumoto, Japan
| | - Masamichi Iwasaki
- Department of Cardiology, Hyogo Prefectural Awaji Medical Center, Sumoto, Japan
| | | | - Naoki Matsukawa
- Division of Cardiology, Department of Medicine, Showa University School of Medicine, 1-5-8 Hatanodai, Shinagawa-ku, Tokyo, 142-8555, Japan.,Kobe Cardiovascular Core Laboratory, Kobe, Japan
| | | | - Yasumasa Kakei
- Clinical and Translational Research Center, Kobe University Hospital, Kobe, Japan
| | - Isao Nanba
- Clinical and Translational Research Center, Kobe University Hospital, Kobe, Japan
| | - Takashi Omori
- Clinical and Translational Research Center, Kobe University Hospital, Kobe, Japan
| | - Junya Shite
- Division of Cardiology, Osaka Saiseikai Nakatsu Hospital, Osaka, Japan
| | - Ken-Ichi Hirata
- Division of Cardiovascular Medicine, Department of Internal Medicine, Kobe University Graduate School of Medicine, Kobe, Japan
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Sugizaki Y, Otake H, Kawamori H, Toba T, Nagano Y, Tsukiyama Y, Yanaka KI, Yamamoto H, Nagasawa A, Onishi H, Takeshige R, Nakano S, Matsuoka Y, Tanimura K, Takahashi Y, Fukuyama Y, Shinke T, Ishida T, Hirata KI. Adding Alirocumab to Rosuvastatin Helps Reduce the Vulnerability of Thin-Cap Fibroatheroma: An ALTAIR Trial Report. JACC Cardiovasc Imaging 2020; 13:1452-1454. [PMID: 32199850 DOI: 10.1016/j.jcmg.2020.01.021] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/23/2019] [Revised: 01/22/2020] [Accepted: 01/24/2020] [Indexed: 10/24/2022]
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Nakano S, Otake H, Kawamori H, Toba T, Nagasawa A, Hiroyuki O, Takeshige R, Sugizaki Y, Matsuoka Y, Tanimura K, Takahashi Y, Fukuyama Y, Kakizaki S, Fujimoto D, Nakamura K, Hirata KI. VISIT-TO-VISIT VARIABILITY OF LOW-DENSITY LIPOPROTEIN CHOLESTEROL MAY ASSOCIATE WITH PLAQUE RUPTURE LEADING TO ACUTE CORONARY SYNDROME. J Am Coll Cardiol 2020. [DOI: 10.1016/s0735-1097(20)30677-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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Nagasawa A, Otake H, Kawamori H, Toba T, Onishi H, Sugizaki Y, Takeshige R, Nakano S, Matsuoka Y, Tanimura K, Takahashi Y, Fukuyama Y, Kakizaki S, Fujimoto D, Nakamura K, Kozuki A, Shite J, Iwasaki M, Kuroda K, Takaya T, Hirata KI. CLINICAL CHARACTERISTICS AND MORPHOLOGICAL CULPRIT PLAQUE FEATURES IN PATIENTS WITH ACUTE CORONARY SYNDROME. J Am Coll Cardiol 2020. [DOI: 10.1016/s0735-1097(20)30650-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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Toba T, Mori S, Izawa Y, Toh H, Tsuda D, Shimoyama S, Kawamori H, Otake H, Tanaka H, Fujiwara S, Hirata KI. Ascending aortic elongation and correlative change in overall configuration of the proximal aorta in elderly patients with severe aortic stenosis. Clin Anat 2020; 33:1240-1248. [PMID: 32012343 DOI: 10.1002/ca.23575] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2019] [Revised: 01/11/2020] [Accepted: 01/22/2020] [Indexed: 01/16/2023]
Abstract
BACKGROUND Configurational changes in the proximal aorta are relevant to the procedural difficulty of transcatheter aortic valve implantation (TAVI). Among several morphological changes involving the ascending aorta, elongation is characteristics of elderly patients with aortic stenosis and can compromise the success and safety of TAVI. However, the effect of ascending aortic elongation on the overall morphology of the proximal aorta has not been established. AIMS Our primary purpose was to investigate the effect of ascending aortic elongation on structural changes in the proximal aorta in TAVI candidates. MATERIALS & METHODS In total, 121 consecutive patients with severe aortic stenosis (mean age, 84.5 ± 5.3 years; 69% women) who had undergone preprocedural computed tomography before TAVI were enrolled. We examined the structural anatomy of the proximal aorta in detail, focusing on its elongation, dilatation, tilting, rotation, and wedging. RESULTS The mean length of the ascending aorta was 68.0 ± 9.2 mm, and the length was significantly correlated with dilatation (R = .278, p = .002), rightward tilting (R = .437, p < .001), clockwise rotation (R = .228, p = .018), and deep wedging (R = -.366, p < .001) of the proximal aorta. Elongation of the ascending aorta was correlated with dilatation, rightward tilting, clockwise rotation, and deep wedging of the proximal aorta in an elderly population with severe aortic stenosis. DISCUSSION Appreciation of the clinical anatomy around the proximal aorta is required for clinicians involved in TAVI to estimate the procedural difficulty. CONCLUSION Elongation of the ascending aorta was associated with dilatation, rightward tilting, clockwise rotation, and deep wedging of the proximal aorta.
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Affiliation(s)
- Takayoshi Toba
- Division of Cardiovascular Medicine, Department of Internal Medicine, Kobe University Graduate School of Medicine, Kobe, Japan
| | - Shumpei Mori
- Division of Cardiovascular Medicine, Department of Internal Medicine, Kobe University Graduate School of Medicine, Kobe, Japan
| | - Yu Izawa
- Division of Cardiovascular Medicine, Department of Internal Medicine, Kobe University Graduate School of Medicine, Kobe, Japan
| | - Hiroyuki Toh
- Division of Cardiovascular Medicine, Department of Internal Medicine, Kobe University Graduate School of Medicine, Kobe, Japan
| | - Daisuke Tsuda
- Division of Cardiovascular Medicine, Department of Internal Medicine, Kobe University Graduate School of Medicine, Kobe, Japan
| | - Shinsuke Shimoyama
- Department of Radiology, Kobe University Graduate School of Medicine, Kobe, Japan
| | - Hiroyuki Kawamori
- Division of Cardiovascular Medicine, Department of Internal Medicine, Kobe University Graduate School of Medicine, Kobe, Japan
| | - Hiromasa Otake
- Division of Cardiovascular Medicine, Department of Internal Medicine, Kobe University Graduate School of Medicine, Kobe, Japan
| | - Hidekazu Tanaka
- Division of Cardiovascular Medicine, Department of Internal Medicine, Kobe University Graduate School of Medicine, Kobe, Japan
| | - Sei Fujiwara
- Division of Cardiovascular Medicine, Department of Internal Medicine, Kobe University Graduate School of Medicine, Kobe, Japan
| | - Ken-Ichi Hirata
- Division of Cardiovascular Medicine, Department of Internal Medicine, Kobe University Graduate School of Medicine, Kobe, Japan
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Miyasaka M, Sharma RP, Maeno Y, Taguri M, Yoon SH, Kawamori H, Tada N, Kato S, Israr S, Nomura T, Ochiai T, Abramowitz Y, Chakravarty T, Nakamura M, Cheng W, Friedman JD, Berman DS, Makkar RR. Investigation of Computed-Tomography Based Predictors of Acute Stroke Related to Transcatheter Aortic Valve Replacement: Aortic Wall Plaque Thickness Might be a Predictive Parameter of Stroke. J Invasive Cardiol 2020; 32:E18-E26. [PMID: 32005786] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
OBJECTIVES Little information is available on computed tomography (CT)-based predictors of stroke related to transcatheter aortic valve replacement (TAVR). The objective of this study was to determine whether anatomical features of the aortic valve and aorta visualized by CT are predictive parameters of stroke. METHODS The study included 1270 patients who underwent preprocedural contrast-enhanced CT assessment and TAVR for severe aortic valve stenosis. Twenty-six patients (2.5%) who developed acute strokes that occurred within 48 hours after TAVR and 104 matched patients without strokes were identified, using 1:4 propensity-score matching. The degree of hypoattenuation in the aortic valve leaflets, calcium volume of the aortic valve, and plaque thickness in the aortic wall (the ascending aorta, aortic arch, and descending thoracic aorta) were assessed. RESULTS There were no differences between the two groups in the degree of hypoattenuation in the aortic valve leaflets and calcium volume of the aortic valve. The plaque thickness of the aortic arch and descending aorta were greater in the stroke group than in the non-stroke group: aortic arch, 2.4 mm (IQR, 1.3-2.8 mm) vs 1.8 mm (IQR, 1.4-2.2 mm), respectively (P<.01); and descending aorta, 2.9 mm (IQR, 2.1-4.2 mm) vs 2.8 mm (IQR, 2.1-3.6 mm); respectively (P=.049). CONCLUSION Aortic wall plaque thickness measured by contrast-enhanced CT might be a predictive parameter of strokes that occur within 48 hours after TAVR.
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Affiliation(s)
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | - Raj R Makkar
- Cedars-Sinai Heart Institute, 127 S. San Vicente Blvd, Suite A3421, Los Angeles, CA 90048 USA.
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Kawamori H, Konishi A, Otake H, Toba T, Nakano S, Tanimura K, Tsukiyama Y, Namba I, Omori T, Shinke T, Hirata K. Efficacy of optical frequency-domain imaging in detecting peripheral artery disease: a single-center open-label, single-arm study protocol. Cardiovasc Interv Ther 2020; 35:385-391. [DOI: 10.1007/s12928-019-00636-3] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2019] [Accepted: 12/15/2019] [Indexed: 10/25/2022]
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Takeshige R, Otake H, Kawamori H, Toba T, Nagano Y, Tsukiyama Y, Yanaka K, Yamamoto H, Nagasawa A, Onishi H, Sugisaki Y, Nakano S, Matsuoka Y, Tanimura K, Hirata K. P3644Plaque progression from normal vessel wall to fibroatheroma: lessons from over 5-year follow-up optical coherence tomography study. Eur Heart J 2019. [DOI: 10.1093/eurheartj/ehz745.0501] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
Abstract
Background
Progression of atherosclerosis is a non-uniform process characterized by coexistence of normal vessel wall (NVW) and advanced fibroatheroma within the same cross-section (Figure). Plaque progression from NVW to fibroatheroma usually takes years, that has never been investigated in human.
Purpose
To investigate the incidence and related factors associated with atherosclerotic progression from NVW to fibroatheroma using long-term serial optical coherence tomography (OCT) follow-up data over 5 years.
Methods
We enrolled 47 vessels in 30 patients who had undergone serial OCT imaging over 5 years (average: 6.8 years). Baseline and follow-up OCT images were matched for longitudinal and circumferential location and OCT cross-sections that had NVW >30 degrees were enrolled. NVW was defined as vessel wall having OCT-detectable three-layer structure with intimal thickening ≤300μm. Cross-sections were diagnosed as +Progression when NVW in the cross-section reduced by >30 degrees during >5-year follow-up.
Results
In the present study, atherogenic progression from NVW to fibroatheroma was observed only in 37.2% of the enrolled cross-sections. On the other hand, despite an average long-term follow-up period of 6.8 years, the extent of NVW was maintained in 62.8% of cross-sections. The incidence of microchannel in adjacent fibroatheroma within the same cross-section (23.6% vs. 13.1%, p=0.023), eccentric plaque distribution (21.7% vs. 11.4%, p=0.019), and concave shape (6.6% vs. 0%, p=0.001) at baseline was significantly higher in cross-sections with +Progression than those without Progression. Average intimal thickness of NVW (187.2±64.9μm vs. 170.7±68.6μm; p=0.048) at baseline was significantly thicker in cross-sections with +Progression than those without. Multivariate analysis demonstrated that the presence of microchannel, eccentric plaque distribution and thicker average intimal thickness of NVW at baseline were independently associated with plaque progression during the follow-up.
Atheroma progression
Conclusion
The presence of microchannel in adjacent fibroatheroma, eccentric plaque distribution, and thicker intimal thickening of NVW were potentially associated with plaque progression from NVW to fibroatheroma.
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Affiliation(s)
| | - H Otake
- Kobe University, Kobe, Japan
| | | | - T Toba
- Kobe University, Kobe, Japan
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Sugizaki Y, Otake H, Kawamori H, Toba T, Nagasawa A, Onishi H, Takeshige R, Nakano S, Matsuoka Y, Tanimura K, Takahashi Y, Fukuyama Y. TCT-13 Alirocumab Improve Coronary Plaque Vulnerability: First Randomized Control Trial to Assess the Effect of Alirocumab for Plaque Vulnerability Using Optical Coherence Tomography. J Am Coll Cardiol 2019. [DOI: 10.1016/j.jacc.2019.08.037] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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Yamamoto H, Otake H, Shinke T, Yamashita T, Kawamori H, Toba T, Yoshida N, Nagano Y, Tsukiyama Y, Yanaka K, Nagasawa A, Sugizaki Y, Takeshige R, Onishi H, Hirata KI. P5508Impact of CD14++CD16+ monocytes on coronary plaque vulnerability assessed by optical coherence tomography in coronary artery disease patients. Eur Heart J 2019. [DOI: 10.1093/eurheartj/ehz746.0458] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
Abstract
Background
Diabetes mellitus has been known as an important factor of coronary artery disease (CAD) progression despite of widespread with lipid-lowering therapy. Although we have reported that large glucose fluctuation is associated with the development of cardiovascular disease in both diabetes mellitus (DM) and non-DM patients, the underlying mechanisms remain unclear.
Monocytes play a key role for atherosclerotic plaque formation. Monocytes in human peripheral blood are divided into three subsets: CD14++CD16− monocytes, CD14++CD16+ monocytes, and CD14+CD16++ monocytes. The CD14++CD16+ monocyte subset has recently received attention because it is reported to be associated with future cardiovascular events such as acute myocardial infarction. However, their impact on coronary plaque vulnerability in coronary artery disease (CAD) patients with or without DM remains unclear.
Purpose
The aim of this study was to investigate the impact of CD14++CD16+ monocyte levels on coronary plaque vulnerability and glucose fluctuation in stable CAD patients with well-regulated lipid levels.
Methods
This prospective observational study included 50 consecutive patients with CAD (DM [n=22], Non-DM [n=28]), receiving lipid-lowering therapy and undergoing coronary angiography and optical coherence tomography (OCT). Patients were divided into 3 tertiles according to the CD14++CD16+ monocyte percentages assessed by flow cytometry. Standard OCT parameters including lipid arc, lipid length, fibrous cap thickness (FCT) on lipid rich plaque, were assessed for 97 angiographically intermediate lesions (diameter stenosis: 30–70%). The presence of thin-cap fibroatheroma (TCFA), defined as a thin fibrous cap (<65μm) overlying a lipid-rich plaque (>90°), was also assessed. Daily glucose fluctuation assessed by using continuous glucose monitoring system was analyzed by measuring the mean amplitude of glycemic excursion (MAGE).
Results
CD14++CD16+ monocytes negatively correlated with FCT on lipid rich plaque (r=0.508, p<0.01) (Figure. 1). The presence of thin-cap fibroatheroma (TCFA) was increased stepwise according to the tertile of CD14++CD16+ monocytes (0 [tertile 1] vs. 5 [tertile 2] vs. 10 [tertile 3], p<0.01). CD14++CD16+ monocytes were a significant determinant of TCFA (OR 1.279, p=0.001). Although CD14++CD16+ monocytes were not significantly correlated with MAGE in DM patients (r=0.259, p=0.244), a significant relationship was found between CD14++CD16+ monocytes and MAGE in non-DM patients (r=0.477, p=0.018) (Figure 2).
Conclusions
CD14++CD16+ monocytes were associated with coronary plaque vulnerability in CAD patients with well-regulated lipid levels both in DM and non-DM patients. Cross-talk between glucose fluctuation and CD14++CD16+ monocytes may enhance plaque vulnerability, particularly in non-DM patients. CD14++CD16+ monocytes could be a possible therapeutic target for coronary plaque stabilization.
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Affiliation(s)
| | - H Otake
- Kobe University, Kobe, Japan
| | | | | | | | - T Toba
- Kobe University, Kobe, Japan
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Nagano Y, Otake H, Toba T, Kuroda K, Shinkura Y, Tahara N, Tsukiyama Y, Yanaka K, Yamamoto H, Nagasawa A, Onishi H, Sugizaki Y, Takeshige R, Harada A, Murakami K, Kiriyama M, Oshita T, Irino Y, Kawamori H, Ishida T, Toh R, Shinke T, Hirata K. Impaired Cholesterol-Uptake Capacity of HDL Might Promote Target-Lesion Revascularization by Inducing Neoatherosclerosis After Stent Implantation. J Am Heart Assoc 2019; 8:e011975. [PMID: 30995875 PMCID: PMC6512103 DOI: 10.1161/jaha.119.011975] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/18/2019] [Accepted: 03/11/2019] [Indexed: 12/17/2022]
Abstract
Background We evaluated the importance of high-density lipoprotein (HDL) functionality for target-lesion revascularization in patients treated with coronary stents using a rapid cell-free assay system to evaluate the functional capacity of HDL to accept additional cholesterol (cholesterol-uptake capacity; CUC). Methods and Results From an optical coherence tomography (OCT) registry of patients treated with coronary stents, 207 patients were enrolled and their HDL was functionally evaluated by measuring the CUC. Follow-up OCT was performed (median duration, 24.5 months after stenting) to evaluate the presence of neoatherosclerosis. Clinical follow-up was performed to assess target-lesion revascularization for a median duration of 42.3 months after stent implantation. Neoatherosclerosis was identified in 37 patients (17.9%). Multivariate logistic regression analysis revealed that a decreased CUC was independently associated with neoatherosclerosis (odds ratio, 0.799; P<0.001). The CUC showed a significant inverse correlation with incidence of target-lesion revascularization (odds ratio, 0.887; P=0.003) and with lipid accumulation inside stents, suggesting that neoatherosclerosis contributes to the association between CUC and target-lesion revascularization. Conclusions Impaired HDL functionality, detected as decreased CUC, might lead to future stent failure by provoking atherogenic changes of the neointima within stents. Both quantitative and qualitative assessments of HDL might enable the improved prediction of clinical outcomes after stent implantation.
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Affiliation(s)
- Yuichiro Nagano
- Division of Cardiovascular MedicineDepartment of Internal MedicineKobe University Graduate School of MedicineKobeJapan
| | - Hiromasa Otake
- Division of Cardiovascular MedicineDepartment of Internal MedicineKobe University Graduate School of MedicineKobeJapan
| | - Takayoshi Toba
- Division of Cardiovascular MedicineDepartment of Internal MedicineKobe University Graduate School of MedicineKobeJapan
| | - Koji Kuroda
- Division of Cardiovascular MedicineDepartment of Internal MedicineKobe University Graduate School of MedicineKobeJapan
| | - Yuto Shinkura
- Division of Cardiovascular MedicineDepartment of Internal MedicineKobe University Graduate School of MedicineKobeJapan
| | - Natsuko Tahara
- Division of Cardiovascular MedicineDepartment of Internal MedicineKobe University Graduate School of MedicineKobeJapan
| | - Yoshiro Tsukiyama
- Division of Cardiovascular MedicineDepartment of Internal MedicineKobe University Graduate School of MedicineKobeJapan
| | - Kenichi Yanaka
- Division of Cardiovascular MedicineDepartment of Internal MedicineKobe University Graduate School of MedicineKobeJapan
| | - Hiroyuki Yamamoto
- Division of Cardiovascular MedicineDepartment of Internal MedicineKobe University Graduate School of MedicineKobeJapan
| | - Akira Nagasawa
- Division of Cardiovascular MedicineDepartment of Internal MedicineKobe University Graduate School of MedicineKobeJapan
| | - Hiroyuki Onishi
- Division of Cardiovascular MedicineDepartment of Internal MedicineKobe University Graduate School of MedicineKobeJapan
| | - Yoichiro Sugizaki
- Division of Cardiovascular MedicineDepartment of Internal MedicineKobe University Graduate School of MedicineKobeJapan
| | - Ryo Takeshige
- Division of Cardiovascular MedicineDepartment of Internal MedicineKobe University Graduate School of MedicineKobeJapan
| | - Amane Harada
- Central Research LaboratoriesSysmex CorporationKobeJapan
| | | | - Maria Kiriyama
- Central Research LaboratoriesSysmex CorporationKobeJapan
| | - Toshihiko Oshita
- Division of Cardiovascular MedicineDepartment of Internal MedicineKobe University Graduate School of MedicineKobeJapan
| | - Yasuhiro Irino
- Division of Evidence‐based Laboratory MedicineKobe University Graduate School of MedicineKobeJapan
| | - Hiroyuki Kawamori
- Division of Cardiovascular MedicineDepartment of Internal MedicineKobe University Graduate School of MedicineKobeJapan
| | - Tatsuro Ishida
- Division of Cardiovascular MedicineDepartment of Internal MedicineKobe University Graduate School of MedicineKobeJapan
| | - Ryuji Toh
- Division of Evidence‐based Laboratory MedicineKobe University Graduate School of MedicineKobeJapan
| | - Toshiro Shinke
- Division of Cardiovascular MedicineDepartment of Internal MedicineKobe University Graduate School of MedicineKobeJapan
| | - Ken‐ichi Hirata
- Division of Cardiovascular MedicineDepartment of Internal MedicineKobe University Graduate School of MedicineKobeJapan
- Division of Evidence‐based Laboratory MedicineKobe University Graduate School of MedicineKobeJapan
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Otake H, Sugizaki Y, Toba T, Nagano Y, Tsukiyama Y, Yanaka KI, Yamamoto H, Nagasawa A, Onishi H, Takeshige R, Nakano S, Matsuoka Y, Tanimura K, Kawamori H, Shinke T, Hirata KI. Efficacy of alirocumab for reducing plaque vulnerability: Study protocol for ALTAIR, a randomized controlled trial in Japanese patients with coronary artery disease receiving rosuvastatin. J Cardiol 2019; 73:228-232. [DOI: 10.1016/j.jjcc.2018.11.012] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/03/2018] [Revised: 11/13/2018] [Accepted: 11/23/2018] [Indexed: 01/01/2023]
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50
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Miyasaka M, Yoon SH, Sharma RP, Maeno Y, Jaideep S, Taguri M, Kato S, Kawamori H, Nomura T, Ochiai T, Nemanpour S, Chakravarty T, Nakamura M, Wen C, Makkar R. Clinical Outcomes of Transcatheter Aortic Valve Implantation in Patients With Extremely Large Annulus and SAPIEN 3 Dimensions Based on Post-Procedural Computed Tomography. Circ J 2019; 83:672-680. [DOI: 10.1253/circj.cj-18-1059] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
| | | | | | | | | | - Masataka Taguri
- Department of Data Science, Yokohama City University School of Data Science
- Sendai Kosei Hospital, Cardiovascular Center
| | - Shigeaki Kato
- Sendai Kosei Hospital, Cardiovascular Center
- Center for Regional Cooperation Iwaki, Meisei University
| | | | | | | | | | | | | | - Cheng Wen
- Cedars-Sinai Medical Center, Heart Institute
| | - Raj Makkar
- Cedars-Sinai Medical Center, Heart Institute
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