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Azarkar S, Abedi M, Lavasani ASO, Ammameh AH, Goharipanah F, Baloochi K, Bakhshi H, Jafari A. Curcumin as a natural potential drug candidate against important zoonotic viruses and prions: A narrative review. Phytother Res 2024; 38:3080-3121. [PMID: 38613154 DOI: 10.1002/ptr.8119] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2023] [Revised: 12/09/2023] [Accepted: 12/17/2023] [Indexed: 04/14/2024]
Abstract
Zoonotic diseases are major public health concerns and undeniable threats to human health. Among Zoonotic diseases, zoonotic viruses and prions are much more difficult to eradicate, as they result in higher infections and mortality rates. Several investigations have shown curcumin, the active ingredient of turmeric, to have wide spectrum properties such as anti-microbial, anti-vascular, anti-inflammatory, anti-tumor, anti-neoplastic, anti-oxidant, and immune system modulator properties. In the present study, we performed a comprehensive review of existing in silico, in vitro, and in vivo evidence on the antiviral (54 important zoonotic viruses) and anti-prion properties of curcumin and curcuminoids in PubMed, Google Scholar, Science Direct, Scopus, and Web of Science databases. Database searches yielded 13,380 results, out of which 216 studies were eligible according to inclusion criteria. Of 216 studies, 135 (62.5%), 24 (11.1%), and 19 (8.8%) were conducted on the effect of curcumin and curcuminoids against SARS-CoV-2, Influenza A virus, and dengue virus, respectively. This review suggests curcumin and curcuminoids as promising therapeutic agents against a wide range of viral zoonoses by targeting different proteins and signaling pathways.
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Affiliation(s)
- Setareh Azarkar
- Student Research Committee, Birjand University of Medical Sciences, Birjand, Iran
| | - Masoud Abedi
- Faculty of Veterinary Medicine, Shahid Bahonar University of Kerman, Kerman, Iran
| | | | | | - Fatemeh Goharipanah
- Faculty of Veterinary Medicine, Shahid Bahonar University of Kerman, Kerman, Iran
| | - Kimiya Baloochi
- Faculty of Veterinary Medicine, Shahid Bahonar University of Kerman, Kerman, Iran
| | - Hasan Bakhshi
- Vector-Borne Diseases Research Center, North Khorasan University of Medical Sciences, Bojnurd, Iran
| | - Amirsajad Jafari
- Department of Basic Sciences, School of Veterinary Medicine, Shiraz University, Shiraz, Iran
- Medicinal and Natural Products Chemistry Research Center, Shiraz University of Medical Sciences, Shiraz, Iran
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2
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Wu TW, Wu YJ, Chou CL, Cheng CF, Lu SX, Wang LY. Hemodynamic parameters and diabetes mellitus in community-dwelling middle-aged adults and elders: a community-based study. Sci Rep 2024; 14:12032. [PMID: 38797773 PMCID: PMC11128448 DOI: 10.1038/s41598-024-62866-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2024] [Accepted: 05/22/2024] [Indexed: 05/29/2024] Open
Abstract
Hemodynamic parameters have been correlated with stroke, hypertension, and arterial stenosis. While only a few small studies have examined the link between hemodynamics and diabetes mellitus (DM). This case-control study enrolled 417 DM patients and 3475 non-DM controls from a community-based cohort. Peak systolic velocity (PSV), end-diastolic velocity (EDV), blood flow velocity (MFV), pulsatility index (PI), and the resistance index (RI) of the common carotid arteries were measured by color Doppler ultrasonography. Generalized linear regression analyses showed that as compared to the non-DM controls, the age-sex-adjusted means of PSV, EDV, and MFV were - 3.28 cm/sec, - 1.94 cm/sec, and - 2.38 cm/sec, respectively, lower and the age-sex-adjusted means of RI and PI were 0.013 and 0.0061, respectively, higher for the DM cases (all p-values < 0.0005). As compared to the lowest quartiles, the multivariable-adjusted ORs of DM for the highest quartiles of PSV, EDV, MFV, RI, and PI were 0.59 (95% confidence interval [CI] 0.41-0.83), 0.45 (95% CI 0.31-0.66), 0.53 (95% CI 0.37-0.77), 1.61 (95% CI 1.15-2.25), and 1.58 (95% CI 1.12-2.23), respectively. More importantly, the additions of EDV significantly improved the predictabilities of the regression models on DM. As compared to the model contained conventional CVD risk factors alone, the area under the receiver operating curve (AUROC) increased by 1.00% (95% CI 0.29-1.73%; p = 0.0059) and 0.80% (95% CI 0.15-1.46%; p = 0.017) for models that added EDV in continuous and quartile scales, respectively. Additionally, the additions of PSV and MFV also significantly improved the predictabilities of the regression models (all 0.01 < p-value < 0.05). This study reveals a significant correlation between DM and altered hemodynamic parameters. Understanding this relationship could help identify individuals at higher risk of DM and facilitate targeted preventive strategies to reduce cardiovascular complications in DM patients.
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Affiliation(s)
- Tzu-Wei Wu
- Department of Medicine, MacKay Medical College, No. 46, Sec. 3, Jhong-Jheng Rd., San-Jhih District, New Taipei City, Taiwan.
| | - Yih-Jer Wu
- Department of Medicine, MacKay Medical College, No. 46, Sec. 3, Jhong-Jheng Rd., San-Jhih District, New Taipei City, Taiwan
- Institute of Biomedical Sciences, MacKay Medical College, New Taipei City, Taiwan
- Cardiovascular Center, Department of Internal Medicine, MacKay Memorial Hospital, Taipei, Taiwan
- Department of Medical Research, MacKay Memorial Hospital, Taipei, Taiwan
| | - Chao-Liang Chou
- Department of Medicine, MacKay Medical College, No. 46, Sec. 3, Jhong-Jheng Rd., San-Jhih District, New Taipei City, Taiwan
- Department of Neurology, MacKay Memorial Hospital, New Taipei City, Taiwan
| | - Chun-Fang Cheng
- Tamsui Health Station, Department of Health, New Taipei City Government, New Taipei City, Taiwan
| | - Shu-Xin Lu
- Department of Neurology, MacKay Memorial Hospital, New Taipei City, Taiwan
| | - Li-Yu Wang
- Department of Medicine, MacKay Medical College, No. 46, Sec. 3, Jhong-Jheng Rd., San-Jhih District, New Taipei City, Taiwan.
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Eun MY, Song HN, Choi JU, Cho HH, Kim HJ, Chung JW, Song TJ, Jung JM, Bang OY, Kim GM, Park H, Liebeskind DS, Seo WK. Global intracranial arterial tortuosity is associated with intracranial atherosclerotic burden. Sci Rep 2024; 14:11318. [PMID: 38760396 DOI: 10.1038/s41598-024-61527-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2024] [Accepted: 05/07/2024] [Indexed: 05/19/2024] Open
Abstract
The effect of arterial tortuosity on intracranial atherosclerosis (ICAS) is not well understood. This study aimed to evaluate the effect of global intracranial arterial tortuosity on intracranial atherosclerotic burden in patients with ischemic stroke. We included patients with acute ischemic stroke who underwent magnetic resonance angiography (MRA) and classified them into three groups according to the ICAS burden. Global tortuosity index (GTI) was defined as the standardized mean curvature of the entire intracranial arteries, measured by in-house vessel analysis software. Of the 516 patients included, 274 patients had no ICAS, 140 patients had a low ICAS burden, and 102 patients had a high ICAS burden. GTI increased with higher ICAS burden. After adjustment for age, sex, vascular risk factors, and standardized mean arterial area, GTI was independently associated with ICAS burden (adjusted odds ratio [adjusted OR] 1.33; 95% confidence interval [CI] 1.09-1.62). The degree of association increased when the arterial tortuosity was analyzed limited to the basal arteries (adjusted OR 1.48; 95% CI 1.22-1.81). We demonstrated that GTI is associated with ICAS burden in patients with ischemic stroke, suggesting a role for global arterial tortuosity in ICAS.
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Affiliation(s)
- Mi-Yeon Eun
- Department of Neurology, School of Medicine, Kyungpook National University, Daegu, South Korea
- Department of Neurology, Graduate School, Korea University, Seoul, South Korea
| | - Ha-Na Song
- Department of Neurology and Stroke Center, Samsung Medical Center, Sungkyunkwan University School of Medicine, 81, Irwon-Ro, Gangnam-Gu, Seoul, 06351, South Korea
| | - Jong-Un Choi
- Department of Neurology and Stroke Center, Samsung Medical Center, Sungkyunkwan University School of Medicine, 81, Irwon-Ro, Gangnam-Gu, Seoul, 06351, South Korea
- Department of Digital Health, SAIHST, Sungkyunkwan University School of Medicine, Seoul, South Korea
| | - Hwan-Ho Cho
- Department of Electronics Engineering, Incheon National University, Incheon, South Korea
| | - Hyung Jun Kim
- Department of Neurology and Stroke Center, Samsung Medical Center, Sungkyunkwan University School of Medicine, 81, Irwon-Ro, Gangnam-Gu, Seoul, 06351, South Korea
| | - Jong-Won Chung
- Department of Neurology and Stroke Center, Samsung Medical Center, Sungkyunkwan University School of Medicine, 81, Irwon-Ro, Gangnam-Gu, Seoul, 06351, South Korea
| | - Tae-Jin Song
- Department of Neurology, Seoul Hospital, Ewha Womans University College of Medicine, Seoul, South Korea
| | - Jin-Man Jung
- Department of Neurology, Korea University Ansan Hospital, Korea University College of Medicine, Ansan, South Korea
| | - Oh-Young Bang
- Department of Neurology and Stroke Center, Samsung Medical Center, Sungkyunkwan University School of Medicine, 81, Irwon-Ro, Gangnam-Gu, Seoul, 06351, South Korea
| | - Gyeong-Moon Kim
- Department of Neurology and Stroke Center, Samsung Medical Center, Sungkyunkwan University School of Medicine, 81, Irwon-Ro, Gangnam-Gu, Seoul, 06351, South Korea
| | - Hyunjin Park
- Department of Electrical and Computer Engineering, Sungkyunkwan University, Suwon, South Korea
- Center for Neuroscience Imaging Research, Institute for Basic Science (IBS), Suwon, South Korea
| | - David S Liebeskind
- Department of Neurology, University of California in Los Angeles, Los Angeles, CA, USA
| | - Woo-Keun Seo
- Department of Neurology and Stroke Center, Samsung Medical Center, Sungkyunkwan University School of Medicine, 81, Irwon-Ro, Gangnam-Gu, Seoul, 06351, South Korea.
- Department of Digital Health, SAIHST, Sungkyunkwan University School of Medicine, Seoul, South Korea.
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Jansen I, Cahalane R, Hengst R, Akyildiz A, Farrell E, Gijsen F, Aikawa E, van der Heiden K, Wissing T. The interplay of collagen, macrophages, and microcalcification in atherosclerotic plaque cap rupture mechanics. Basic Res Cardiol 2024; 119:193-213. [PMID: 38329498 PMCID: PMC11008085 DOI: 10.1007/s00395-024-01033-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/21/2023] [Revised: 01/17/2024] [Accepted: 01/19/2024] [Indexed: 02/09/2024]
Abstract
The rupture of an atherosclerotic plaque cap overlying a lipid pool and/or necrotic core can lead to thrombotic cardiovascular events. In essence, the rupture of the plaque cap is a mechanical event, which occurs when the local stress exceeds the local tissue strength. However, due to inter- and intra-cap heterogeneity, the resulting ultimate cap strength varies, causing proper assessment of the plaque at risk of rupture to be lacking. Important players involved in tissue strength include the load-bearing collagenous matrix, macrophages, as major promoters of extracellular matrix degradation, and microcalcifications, deposits that can exacerbate local stress, increasing tissue propensity for rupture. This review summarizes the role of these components individually in tissue mechanics, along with the interplay between them. We argue that to be able to improve risk assessment, a better understanding of the effect of these individual components, as well as their reciprocal relationships on cap mechanics, is required. Finally, we discuss potential future steps, including a holistic multidisciplinary approach, multifactorial 3D in vitro model systems, and advancements in imaging techniques. The obtained knowledge will ultimately serve as input to help diagnose, prevent, and treat atherosclerotic cap rupture.
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Affiliation(s)
- Imke Jansen
- Department of Biomedical Engineering, Thorax Center Erasmus MC, University Medical Center Rotterdam, Rotterdam, The Netherlands
| | - Rachel Cahalane
- Mechanobiology and Medical Device Research Group (MMDRG), Biomedical Engineering, College of Science and Engineering, University of Galway, Galway, Ireland
- Division of Cardiovascular Medicine, Department of Medicine, Center for Interdisciplinary Cardiovascular Sciences Brigham and Women's Hospital, Harvard Medical School, Boston, MA, USA
| | - Ranmadusha Hengst
- Department of Biomedical Engineering, Thorax Center Erasmus MC, University Medical Center Rotterdam, Rotterdam, The Netherlands
| | - Ali Akyildiz
- Department of Biomedical Engineering, Thorax Center Erasmus MC, University Medical Center Rotterdam, Rotterdam, The Netherlands
- Biomechanical Engineering, Technical University Delft, Delft, The Netherlands
| | - Eric Farrell
- Department of Oral and Maxillofacial Surgery, Erasmus Medical Centre, Rotterdam, The Netherlands
| | - Frank Gijsen
- Department of Biomedical Engineering, Thorax Center Erasmus MC, University Medical Center Rotterdam, Rotterdam, The Netherlands
- Biomechanical Engineering, Technical University Delft, Delft, The Netherlands
| | - Elena Aikawa
- Division of Cardiovascular Medicine, Department of Medicine, Center for Interdisciplinary Cardiovascular Sciences Brigham and Women's Hospital, Harvard Medical School, Boston, MA, USA
| | - Kim van der Heiden
- Department of Biomedical Engineering, Thorax Center Erasmus MC, University Medical Center Rotterdam, Rotterdam, The Netherlands
| | - Tamar Wissing
- Department of Biomedical Engineering, Thorax Center Erasmus MC, University Medical Center Rotterdam, Rotterdam, The Netherlands.
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Hossain SS, Johnson MJ, Hughes TJR. A parametric study of the effect of 3D plaque shape on local hemodynamics and implications for plaque instability. Biomech Model Mechanobiol 2024:10.1007/s10237-024-01834-6. [PMID: 38532042 DOI: 10.1007/s10237-024-01834-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2023] [Accepted: 02/20/2024] [Indexed: 03/28/2024]
Abstract
The vast majority of heart attacks occur when vulnerable plaques rupture, releasing their lipid content into the blood stream leading to thrombus formation and blockage of a coronary artery. Detection of these unstable plaques before they rupture remains a challenge. Hemodynamic features including wall shear stress (WSS) and wall shear stress gradient (WSSG) near the vulnerable plaque and local inflammation are known to affect plaque instability. In this work, a computational workflow has been developed to enable a comprehensive parametric study detailing the effects of 3D plaque shape on local hemodynamics and their implications for plaque instability. Parameterized geometric 3D plaque models are created within a patient-specific coronary artery tree using a NURBS (non-uniform rational B-splines)-based vascular modeling pipeline. Realistic blood flow features are simulated by using a Navier-Stokes solver within an isogeometric finite-element analysis framework. Near wall hemodynamic quantities such as WSS and WSSG are quantified, and vascular distribution of an inflammatory marker (VCAM-1) is estimated. Results show that proximally skewed eccentric plaques have the most vulnerable combination of high WSS and high positive spatial WSSG, and the presence of multiple lesions increases risk of rupture. The computational tool developed in this work, in conjunction with clinical data, -could help identify surrogate markers of plaque instability, potentially leading to a noninvasive clinical procedure for the detection of vulnerable plaques before rupture.
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Affiliation(s)
- Shaolie S Hossain
- Molecular Cardiology Research Laboratories, The Texas Heart Institute, 6770 Bertner Avenue, Houston, TX, 77030, USA.
- Oden Institute for Computational Engineering and Sciences, The University of Texas at Austin, 201 E. 24th St, Austin, TX, 78712, USA.
| | - Michael J Johnson
- Oden Institute for Computational Engineering and Sciences, The University of Texas at Austin, 201 E. 24th St, Austin, TX, 78712, USA
| | - Thomas J R Hughes
- Oden Institute for Computational Engineering and Sciences, The University of Texas at Austin, 201 E. 24th St, Austin, TX, 78712, USA
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6
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Kotian S, Jain N, Methekar N, Nikam S. Influence of Wavy Arteries and Veins on Hemodynamic Characteristics: A Numerical Study. Crit Rev Biomed Eng 2024; 52:1-16. [PMID: 38523438 DOI: 10.1615/critrevbiomedeng.2023050535] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/26/2024]
Abstract
The present work is focused on the study of hemodynamic characteristics for tortuous arteries/veins. Tortuosity in arteries/veins is defined by introducing waviness in the wall of the tube. Analysis is further extended for bifurcated veins with and without wavy walls. Waviness is defined by two geometric parameters; pitch and depth of the wave. Four different combinations of pitch and depth are studied and compared with a plain straight wall. The present study is carried out numerically by using a computational fluid dynamics tool. Hemodynamics for a steady flow of blood is investigated through pressure, velocity, and wall shear stress distribution. Waviness in the wall of arteries/veins creates a recirculation zone at the crest and trough of the wall. Occurrence of the recirculation zone leads to reduction in velocity which in turn reduces wall shear stress. Variation in the magnitude of the velocity and corresponding wall shear stress at the crest and trough of the wavy wall depends on the pitch and depth of the artery/veins (tube).
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Affiliation(s)
| | - Nishant Jain
- Department of Mechanical Engineering, K.J. Somaiya College of Engineering, SVU, Mumbai, India
| | - Nachiket Methekar
- Department of Industrial Engineering and Management Sciences, Northwestern University, Evanston, IL 60208, USA
| | - Shailesh Nikam
- Department of Mechanical Engineering, K.J. Somaiya College of Engineering, Mumbai 400077, India
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Sonmez F, Karagoz S, Yildirim O, Firat I. Experimental and numerical investigation of the stenosed coronary artery taken from the clinical setting and modeled in terms of hemodynamics. INTERNATIONAL JOURNAL FOR NUMERICAL METHODS IN BIOMEDICAL ENGINEERING 2024; 40:e3793. [PMID: 37975163 DOI: 10.1002/cnm.3793] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/03/2023] [Revised: 10/31/2023] [Accepted: 11/05/2023] [Indexed: 11/19/2023]
Abstract
The study was carried out to investigate the effect of the artery with different pulse values and stenosis rates on the pressure drop, the peristaltic pump outlet pressure, fractional flow reserve (FFR) and most importantly the amount of power consumed by the peristaltic pump. For this purpose, images taken from the clinical environment were produced as models (10 mm inlet diameter) with 0% and 70% percent areal stenosis rates (PSR) on a three-dimensional (3D) printer. In the experimental system, pure water was used as the fluid at 54, 84, 114, 132, and 168 bpm pulse values. In addition, computational fluid dynamics (CFD) analyzes of the test region were performed using experimental boundary conditions with the help of ANSYS-Fluent software. The findings showed that as PSR increases in the arteries, the pressure drop in the stenosis region increases and this amount increases dramatically with increasing effort. An increase of approximately 40% was observed in the pump outlet pressure value from 54 bpm to 168 bpm in the PSR 0% model and 51% increase in the PSR 70% model. It has been observed that the pump does more work to overcome the increased pressure difference due to increased pulse rate and PSR. With the effect of contraction, the power consumption of the pump increased from 9.2% for 54 bpm to 13.8% for 168 bpm. In both models, the Wall Shear Stress (WSS) increased significantly. WSS increased abruptly in the stenosis and arcuate regions, while sudden decreases were observed in the flow separation region.
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Affiliation(s)
- Fatin Sonmez
- Artvin Vocational School, Artvin Coruh University, Artvin, Turkey
| | - Sendogan Karagoz
- Department of Mechanical Engineering, Ataturk University, Erzurum, Turkey
| | - Orhan Yildirim
- Department of Mechanical Engineering, Ataturk University, Erzurum, Turkey
| | - Ilker Firat
- Ilic Dursun Yildirim Vocational School, Erzincan Binali Yildirim University, Erzincan, Turkey
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Jędrzejczak K, Makowski Ł, Orciuch W, Wojtas K, Kozłowski M. Hemolysis of red blood cells in blood vessels modeled via computational fluid dynamics. INTERNATIONAL JOURNAL FOR NUMERICAL METHODS IN BIOMEDICAL ENGINEERING 2023; 39:e3699. [PMID: 36949568 DOI: 10.1002/cnm.3699] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/18/2022] [Revised: 02/22/2023] [Accepted: 03/04/2023] [Indexed: 06/18/2023]
Abstract
The research aims to verify the universal relationship between vessel shape and the risk of hemolysis using a rheological model of blood reflecting the physiological processes related to blood for any blood vessel. Blood is a multi-component fluid, the rheology of which depends on many factors, such as the concentration of red blood cells and local shear stress, which significantly affect the process of hemolysis. Blood rheology models used so far cannot be used for all flows and geometries. Therefore, a new rheology model has been introduced suitable for modeling hemolytic flows observed in arteries with atherosclerotic lesions in the in vivo environment. The previously presented model also has advantages in modeling local viscosity in stenosis. Geometries of the blood vessels from computed tomography scans and simplified models of the actual arteries observed during medical procedures were used in the calculations. Population Balance Based Rheology model predicts the concentration of single, deagglomerated red blood cells and the concentration and size of red blood cell agglomerates, which affect blood rheology and hemolysis. Based on the simulations carried out, a correlation was found between the shape of the vessel cavity and the risk of hemolysis. Presented results can be used in the future to create a correlation between the shape of the atherosclerotic lesions and the risk of hemolysis in the blood to make an initial risk assessment for a given patient.
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Affiliation(s)
- Krystian Jędrzejczak
- Faculty of Chemical and Process Engineering, Warsaw University of Technology, Waryńskiego 1, 00-645, Warsaw, Poland
| | - Łukasz Makowski
- Faculty of Chemical and Process Engineering, Warsaw University of Technology, Waryńskiego 1, 00-645, Warsaw, Poland
| | - Wojciech Orciuch
- Faculty of Chemical and Process Engineering, Warsaw University of Technology, Waryńskiego 1, 00-645, Warsaw, Poland
| | - Krzysztof Wojtas
- Faculty of Chemical and Process Engineering, Warsaw University of Technology, Waryńskiego 1, 00-645, Warsaw, Poland
| | - Michał Kozłowski
- Department of Cardiology and Structural Heart Diseases, Medical University of Silesia, Ziołowa 47, 40-635, Katowice, Poland
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Lv F, Tao Y. Single Coronary Artery with Severe Coronary Artery Disease and Aortic Valve Disease. Int Heart J 2023; 64:955-958. [PMID: 37704412 DOI: 10.1536/ihj.22-512] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 09/15/2023]
Abstract
Coronary artery malformations are rare in the clinic. When with severe atherosclerosis, there is an additional risk. Specific coronary artery malformations, such as single right coronary artery, may be involved in the arteriosclerotic process, especially when accompanied by significant coronary artery tortuosity. It will remarkably challenge the treatment. We report a case of a single right coronary artery with severe stenosis and heart valve disease. She successfully underwent coronary artery bypass grafting and aortic valve replacement.
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Affiliation(s)
- Feng Lv
- Department of Cardiology, Shengzhou People's Hospital, The First Affiliated Hospital of Zhejiang University Shengzhou Branch
| | - Yuan Tao
- Department of Cardiology, Shengzhou People's Hospital, The First Affiliated Hospital of Zhejiang University Shengzhou Branch
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Pan C, Xu J, Gao Q, Li W, Sun T, Lu J, Shi Q, Han Y, Gao G, Li J. Sequentially suspended 3D bioprinting of multiple-layered vascular models with tunable geometries for in vitromodeling of arterial disorders initiation. Biofabrication 2023; 15:045017. [PMID: 37579751 DOI: 10.1088/1758-5090/aceffa] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2023] [Accepted: 08/14/2023] [Indexed: 08/16/2023]
Abstract
As the main precursor of arterial disorders, endothelial dysfunction preferentially occurs in regions of arteries prone to generating turbulent flow, particularly in branched regions of vasculatures. Although various diseased models have been engineered to investigate arterial pathology, producing a multiple-layered vascular model with branched geometries that can recapitulate the critical physiological environments of human arteries, such as intercellular communications and local turbulent flows, remains challenging. This study develops a sequentially suspended three-dimensional bioprinting (SSB) strategy and a visible-light-curable decellularized extracellular matrix bioink (abbreviated as 'VCD bioink') to construct a biomimetic human arterial model with tunable geometries. The engineered multiple-layered arterial models with compartmentalized vascular cells can exhibit physiological functionality and pathological performance under defined physiological flows specified by computational fluid dynamics simulation. Using different configurations of the vascular models, we investigated the independent and synergetic effects of cellular crosstalk and abnormal hemodynamics on the initiation of endothelial dysfunction, a hallmark event of arterial disorder. The results suggest that the arterial model constructed using the SSB strategy and VCD bioinks has promise in establishing diagnostic/analytic platforms for understanding the pathophysiology of human arterial disorders and relevant abnormalities, such as atherosclerosis, aneurysms, and ischemic diseases.
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Affiliation(s)
- Chen Pan
- School of Mechanical Engineering, Beijing Institute of Technology, Beijing 100081, People's Republic of China
- School of Medical Technology, Beijing Institute of Technology, Beijing 100081, People's Republic of China
| | - Jingwen Xu
- School of Biomedical Sciences and Engineering, South China University of Technology, Guangzhou International Campus, Guangzhou 511442, People's Republic of China
- National Engineering Research Center for Tissue Restoration and Reconstruction, South China University of Technology, Guangzhou 510006, People's Republic of China
| | - Qiqi Gao
- School of Medical Technology, Beijing Institute of Technology, Beijing 100081, People's Republic of China
| | - Wei Li
- School of Medical Technology, Beijing Institute of Technology, Beijing 100081, People's Republic of China
| | - Tao Sun
- School of Mechatronical Engineering, Beijing Institute of Technology, Beijing 100081, People's Republic of China
- Key Laboratory of Biomimetic Robots and Systems (Beijing Institute of Technology), Ministry of Education, Beijing 100081, People's Republic of China
| | - Jiping Lu
- School of Mechanical Engineering, Beijing Institute of Technology, Beijing 100081, People's Republic of China
| | - Qing Shi
- School of Mechatronical Engineering, Beijing Institute of Technology, Beijing 100081, People's Republic of China
- Key Laboratory of Biomimetic Robots and Systems (Beijing Institute of Technology), Ministry of Education, Beijing 100081, People's Republic of China
| | - Yafeng Han
- School of Mechanical Engineering, Beijing Institute of Technology, Beijing 100081, People's Republic of China
| | - Ge Gao
- School of Medical Technology, Beijing Institute of Technology, Beijing 100081, People's Republic of China
| | - Jinhua Li
- School of Medical Technology, Beijing Institute of Technology, Beijing 100081, People's Republic of China
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11
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Zhao Y, Wang H, Chen W, Sun W, Yu X, Sun C, Hua G. Time-resolved simulation of blood flow through left anterior descending coronary artery: effect of varying extent of stenosis on hemodynamics. BMC Cardiovasc Disord 2023; 23:156. [PMID: 36973644 PMCID: PMC10041719 DOI: 10.1186/s12872-023-03190-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/03/2023] [Accepted: 03/21/2023] [Indexed: 03/29/2023] Open
Abstract
BACKGROUND AND OBJECTIVES Real-time blood flow variation is crucial for understanding the dynamic development of coronary atherosclerosis. The main objective of this study is to investigate the effect of varying extent of stenosis on the hemodynamic features in left anterior descending coronary artery. METHODS Various Computational fluid dynamics (CFD) models were constructed with patient-specific CT image data, using actual fractional flow reserve (FFR) as boundary conditions to provide a real-time quantitative description of hemodynamic properties. The hemodynamic parameters, such as the local and instantaneous wall shear stress (WSS), oscillating shear index (OSI) and relative residence time (RRT), blood flow velocity and pressure drop during various phases of cardiac cycle were provided in detail. RESULTS There was no evident variation in hemodynamic parameters in the cases of less than 50% stenosis while there were abrupt and dramatic changes in hemodynamics when the stenosis aggravated from 60 to 70%. Furthermore, when the stenosis was beyond 70%, there existed substantial pressure difference, WSS, and blood flow velocity in the center of the stenosis. Although OSI and RRT increased along with the aggravation of stenosis, they appeared with obvious abnormalities across all cases, even in mild stenosis. CONCLUSION The simulation could present a dynamic and comprehensive profile of how hemodynamic parameters vary in accordance with divergent severities of stenosis, which could serve as an effective reference for the clinicians to have a deeper insight into the pathological mechanism of coronary atherosclerosis and stenosis.
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Affiliation(s)
- Yinghong Zhao
- China University of Mining and Technology, No.1, Daxue Road, Xuzhou, Jiangsu, China.
- Xuzhou Medical University, 209 Tongshan Road, Xuzhou, Jiangsu, China.
| | - Huihui Wang
- Xuzhou Medical University, 209 Tongshan Road, Xuzhou, Jiangsu, China
| | | | - Wenyue Sun
- Xuzhou Medical University, 209 Tongshan Road, Xuzhou, Jiangsu, China
| | - Xianchao Yu
- School of Life Science and Technology, University of Electronic Science and Technology of China, Chengdu, China
| | - Cunjie Sun
- The Affiliated Hospital of Xuzhou Medical University, Xuzhou, Jiangsu, China
| | - Gang Hua
- China University of Mining and Technology, No.1, Daxue Road, Xuzhou, Jiangsu, China.
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12
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Kotlyarov S, Kotlyarova A. Participation of Krüppel-like Factors in Atherogenesis. Metabolites 2023; 13:metabo13030448. [PMID: 36984888 PMCID: PMC10052737 DOI: 10.3390/metabo13030448] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2023] [Revised: 03/17/2023] [Accepted: 03/18/2023] [Indexed: 03/30/2023] Open
Abstract
Atherosclerosis is an important problem in modern medicine, the keys to understanding many aspects of which are still not available to clinicians. Atherosclerosis develops as a result of a complex chain of events in which many cells of the vascular wall and peripheral blood flow are involved. Endothelial cells, which line the vascular wall in a monolayer, play an important role in vascular biology. A growing body of evidence strengthens the understanding of the multifaceted functions of endothelial cells, which not only organize the barrier between blood flow and tissues but also act as regulators of hemodynamics and play an important role in regulating the function of other cells in the vascular wall. Krüppel-like factors (KLFs) perform several biological functions in various cells of the vascular wall. The large family of KLFs in humans includes 18 members, among which KLF2 and KLF4 are at the crossroads between endothelial cell mechanobiology and immunometabolism, which play important roles in both the normal vascular wall and atherosclerosis.
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Affiliation(s)
- Stanislav Kotlyarov
- Department of Nursing, Ryazan State Medical University, 390026 Ryazan, Russia
| | - Anna Kotlyarova
- Department of Pharmacy Management and Economics, Ryazan State Medical University, 390026 Ryazan, Russia
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13
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Ilic I, Timcic S, Odanovic N, Otasevic P, Collet C. Serial stenosis assessment-can we rely on invasive coronary physiology. Front Cardiovasc Med 2023; 10:1172906. [PMID: 37200979 PMCID: PMC10185833 DOI: 10.3389/fcvm.2023.1172906] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2023] [Accepted: 04/07/2023] [Indexed: 05/20/2023] Open
Abstract
Atherosclerosis is a widespread disease affecting coronary arteries. Diffuse atherosclerotic disease affects the whole vessel, posing difficulties in determining lesion significance by angiography. Research has confirmed that revascularization guided by invasive coronary physiology indices improves patients' prognosis and quality of life. Serial lesions can be a diagnostic challenge because the measurement of functional stenosis significance using invasive physiology is influenced by a complex interplay of factors. The use of fractional flow reserve (FFR) pullback provides a trans-stenotic pressure gradient (ΔP) for each of the lesions. The strategy of treating the lesion with greater ΔP first and then reevaluating another lesion has been advocated. Similarly, non-hyperemic indices can be used to assess the contribution of each stenosis and predict the effect of lesion treatment on physiology indices. Pullback pressure gradient (PPG) integrates physiological variables of coronary pressure along the epicardial vessel and characteristics of discrete and diffuse coronary stenoses into a quantitative index that can be used to guide revascularization. We proposed an algorithm that integrates FFR pullbacks and calculates PPG to determine individual lesion importance and to guide intervention. Computer modeling of the coronaries and the use of non-invasive FFR measurement together with mathematical algorithms for fluid dynamics can make predictions of lesion significance in serial stenoses easier and provide practical solutions for treatment. All these strategies need to be validated before widespread clinical use.
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Affiliation(s)
- Ivan Ilic
- Institute for Cardiovascular Diseases Dedinje, Belgrade, Serbia
- Medical School, University of Belgrade, Belgrade, Serbia
- Correspondence: Ivan Ilic
| | - Stefan Timcic
- Institute for Cardiovascular Diseases Dedinje, Belgrade, Serbia
| | | | - Petar Otasevic
- Institute for Cardiovascular Diseases Dedinje, Belgrade, Serbia
- Medical School, University of Belgrade, Belgrade, Serbia
| | - Carlos Collet
- Cardiovascular Center Aalst, OLV Clinic, Aalst, Belgium
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14
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Abbasnezhad N, Shirinbayan M, Champmartin S, Bakir F. Analyzing the impact of pulsatile flow on drug release from a single strut of a drug-eluting stent. J Biomech 2023; 146:111425. [PMID: 36608544 DOI: 10.1016/j.jbiomech.2022.111425] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2022] [Revised: 12/03/2022] [Accepted: 12/23/2022] [Indexed: 12/25/2022]
Abstract
In this study, in-vitro experiments were performed to investigate the drug release from a single strut of a drug-eluting stent with respect to the systolic-diastolic flow and the continuous flow. Regarding, a test bench comprising a single strut and agarose gel as an arterial wall model was designed. The model chosen represents a large-scaled strut of a stent, to limit the effect of the geometrical shape of the stents on the drug release results. The comparison is carried out between two continuous flow rates and a systolic-diastolic flow pattern varying between these two flow rates, with a frequency of 70 beats per minute. The stent model is a polylactic-co-glycolic acid film (50:50) loaded with 10 % diclofenac sodium. A compartment of agarose gel (1 %) and a phosphate-buffered saline solution at 37 °C are employed to mimic the arterial wall and the blood, respectively. Our results show the importance of flow type on the drug release from the stent and distribution of drug in the hydrogel, such that the pulsatility promotes an increase in the quantity of drug absorbed into the hydrogel.
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Affiliation(s)
- N Abbasnezhad
- Arts et Metiers Institute of Technology, CNAM, LIFSE, HESAM University, F-75013 Paris, France.
| | - M Shirinbayan
- Arts et Metiers Institute of Technology, CNAM, LIFSE, HESAM University, F-75013 Paris, France.
| | - S Champmartin
- Arts et Metiers Institute of Technology, CNAM, LIFSE, HESAM University, F-75013 Paris, France.
| | - F Bakir
- Arts et Metiers Institute of Technology, CNAM, LIFSE, HESAM University, F-75013 Paris, France.
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15
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Wang H, Wang R, Tian J. Association of admission serum calcium level with left ventricular dysfunction in patients with acute coronary syndrome. Front Cardiovasc Med 2022; 9:1018048. [DOI: 10.3389/fcvm.2022.1018048] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2022] [Accepted: 11/15/2022] [Indexed: 11/30/2022] Open
Abstract
BackgroundThe relationship between serum calcium and left ventricular function in patients with acute coronary syndrome (ACS) has not been explored. Our aim was to investigate the correlation of admission serum calcium with left ventricular dysfunction in ACS patients.MethodsIn this cross-sectional study, 658 ACS patients who were admitted in the Department of Cardiovascular Disease from June 1st, 2019 to December 31st, 2019 were enrolled in the present study. Serum calcium and B-type natriuretic peptide (BNP) were measured at admission. Left ventricular ejection fraction (LVEF) was assessed using echocardiography. The correlation between admission serum calcium and left ventricular dysfunction was analyzed.ResultsWhen stratified by serum calcium quartiles calculated from all patients, patients with lower serum calcium quartile showed a markedly higher BNP and lower LVEF (P < 0.05). Patients with LVEF ≤ 50% showed a significantly lower serum calcium and higher BNP compared to those with LVEF> 50% (P < 0.05). Admission serum calcium was positively correlated with LVEF (P < 0.01) but negatively correlated with BNP (P < 0.01). Multivariate logistic regression analysis showed that lower serum calcium (adjusted OR: 0.720, 95% CI: 0.519–0.997, P = 0.048) was independently associated with BNP ≥ 300 pg/ml in ACS patients. Using LVEF as a dependent variable, no significant correlation between low serum calcium and left ventricular systolic dysfunction was found in ACS patients.ConclusionsIn patients with ACS, admission serum calcium was positively correlated with LVEF and negatively with BNP. Lower admission serum calcium was an independent risk factor for elevated BNP.
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Cao T, Jiang Z, Zhao H, Zhang KQ, Meng K. Numerical simulation to study the impact of compliance mismatch between artificial and host blood vessel on hemodynamics. MEDICINE IN NOVEL TECHNOLOGY AND DEVICES 2022. [DOI: 10.1016/j.medntd.2022.100152] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022] Open
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17
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Kotlyarov S. Immune Function of Endothelial Cells: Evolutionary Aspects, Molecular Biology and Role in Atherogenesis. Int J Mol Sci 2022; 23:ijms23179770. [PMID: 36077168 PMCID: PMC9456046 DOI: 10.3390/ijms23179770] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2022] [Revised: 08/23/2022] [Accepted: 08/25/2022] [Indexed: 11/16/2022] Open
Abstract
Atherosclerosis is one of the key problems of modern medicine, which is due to the high prevalence of atherosclerotic cardiovascular diseases and their significant share in the structure of morbidity and mortality in many countries. Atherogenesis is a complex chain of events that proceeds over many years in the vascular wall with the participation of various cells. Endothelial cells are key participants in vascular function. They demonstrate involvement in the regulation of vascular hemodynamics, metabolism, and innate immunity, which act as leading links in the pathogenesis of atherosclerosis. These endothelial functions have close connections and deep evolutionary roots, a better understanding of which will improve the prospects of early diagnosis and effective treatment.
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Affiliation(s)
- Stanislav Kotlyarov
- Department of Nursing, Ryazan State Medical University, 390026 Ryazan, Russia
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18
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Auxiliary Pneumonia Classification Algorithm Based on Pruning Compression. COMPUTATIONAL AND MATHEMATICAL METHODS IN MEDICINE 2022; 2022:8415187. [PMID: 35898478 PMCID: PMC9313959 DOI: 10.1155/2022/8415187] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/31/2022] [Revised: 05/25/2022] [Accepted: 06/24/2022] [Indexed: 11/17/2022]
Abstract
Pneumonia infection is the leading cause of death in young children. The commonly used pneumonia detection method is that doctors diagnose through chest X-ray, and external factors easily interfere with the results. Assisting doctors in diagnosing pneumonia in patients based on deep learning methods can effectively eliminate similar problems. However, the complex network structure and redundant parameters of deep neural networks and the limited storage and computing resources of clinical medical hardware devices make it difficult for this method to use widely in clinical practice. Therefore, this paper studies a lightweight pneumonia classification network, CPGResNet50 (ResNet50 with custom channel pruning and ghost methods), based on ResNet50 pruning and compression to better meet the application requirements of clinical pneumonia auxiliary diagnosis with high precision and low memory. First, based on the hierarchical channel pruning method, the channel after the convolutional layer in the bottleneck part of the backbone network layer is used as the pruning object, and the pruning operation is performed after its normalization to obtain a network model with a high compression ratio. Second, the pruned convolutional layers are decomposed into original convolutions and cheap convolutions using the optimized convolution method. The feature maps generated by the two convolution parts are combined as the input to the next convolutional layer. Further, we conducted many experiments using pneumonia X-ray medical image data. The results show that the proposed method reduces the number of parameters of the ResNet50 network model from 23.7 M to 3.455 M when the pruning rate is 90%, a reduction is more than 85%, FIOPs dropped from 4.12G to 523.09 M, and the speed increased by more than 85%. The model training accuracy error remained within 1%. Therefore, the proposed method has a good performance in the auxiliary diagnosis of pneumonia and obtained good experimental results.
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19
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Investigation of the different parameters contributing to bubble sticking inside physiological bifurcations. Med Biol Eng Comput 2022; 60:599-618. [PMID: 35029813 DOI: 10.1007/s11517-021-02485-w] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2020] [Accepted: 12/04/2021] [Indexed: 10/19/2022]
Abstract
Gas embolotherapy (GE) is a developing medical method which can be utilized either as an autonomous therapeutic method to treat vascularized solid tumors, or it can be combined with other medical procedures-such as high-intensity focused ultrasound-to improve their efficiency. This paper is dedicated to investigating the different parameters which influence bubble lodging inside human vasculature via 2D-modeling of bubble dynamics in arteries' and arterioles' bifurcations which are potential sticking positions. Values used in the simulations are in accordance with the non-dimensional physiological numbers. It is found out that inlet pressure plays a decisive role in bubble lodging; the lower the value, the higher the possibility of bubble sticking. On the other hand, gravity has a counteracting effect on bubble lodging in arteries, but not on arterioles. The initial length of the bubble is not a determining factor in sticking behavior, even though it affects the flow rate behavior. Surface tension, another critical factor, has a semi-linear impact on bubble resisting power; lowering the surface tension will reduce bubble resistance to the flow, diminishing the possibility of bubble lodging. Finally, it is shown that lower values for the static contact angle impose higher resistance to the flow.
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20
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Cao H, Li Y, Zhao Y, Xiong T, Liu Z, Zheng T, Chen M. Hemodynamic Characteristics of Patients With Suspected Coronary Heart Disease at Their Initial Visit. Front Physiol 2021; 12:714438. [PMID: 34354604 PMCID: PMC8329382 DOI: 10.3389/fphys.2021.714438] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2021] [Accepted: 06/24/2021] [Indexed: 02/05/2023] Open
Abstract
Purpose It is difficult for doctors to decide whether patients with suspected coronary heart disease classified as Coronary Artery Disease Reporting and Data System (CAD-RADS) < 3 should be administered preventive treatment, or whether non-atherosclerotic chest pain should be considered. The aim of the current study was to investigate coronary hemodynamic characteristics in such patients, which may provide more information on their stenosis and be helpful for initial diagnoses. Methods Two patient-specific models were reconstructed based on the coronary computed tomographic angiography underwent in 2012. Patient 1 was classified as CAD-RADS 0, and was readmitted to hospital due to coronary artery disease within 5 years. Patient 2 was classified as CAD-RADS 2, and has experienced no adverse events to date. Computational fluid dynamics (CFD) analysis was used to obtain hemodynamic parameters including flow rate waveform, flow streamlines, time-average wall shear stress (TAWSS), and oscillatory shear index (OSI). Results Patient 1 exhibited no physiological characteristics of right coronary artery flow waveform, large areas of low TAWSS, and slow blood flow in the proximal and middle segments of the left anterior descending branch. Patient 2 exhibited reduced coronary supply, small and separate areas of abnormal TAWSS, and a higher left anterior descending branch OSI than patient 1. Conclusion Hemodynamic abnormalities may play an important role in the prognosis of patients with coronary stenosis, and patient-specific hemodynamic characteristics may facilitate more accurate initial diagnosis, and better management. Overall hemodynamics (along the whole vessel) warranted attention at the time of the initial visit in patients classified as CAD-RADS < 3.
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Affiliation(s)
- Haoyao Cao
- Department of Applied Mechanics, Sichuan University, Chengdu, China
| | - Yiming Li
- Department of Cardiology, West China Hospital, Sichuan University, Chengdu, China
| | - Yiming Zhao
- Department of Applied Mechanics, Sichuan University, Chengdu, China
| | - Tianyuan Xiong
- Department of Cardiology, West China Hospital, Sichuan University, Chengdu, China
| | - Zhan Liu
- Department of Applied Mechanics, Sichuan University, Chengdu, China
| | - Tinghui Zheng
- Department of Applied Mechanics, Sichuan University, Chengdu, China
| | - Mao Chen
- Department of Cardiology, West China Hospital, Sichuan University, Chengdu, China
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Yang Y, Xu X. Bioinformatic identification of hub genes and related transcription factors in low shear stress treated endothelial cells. BMC Med Genomics 2021; 14:120. [PMID: 33941187 PMCID: PMC8094490 DOI: 10.1186/s12920-021-00971-6] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2020] [Accepted: 04/28/2021] [Indexed: 01/14/2023] Open
Abstract
BACKGROUND Recent evidences indicated that shear stress is critical in orchestrating gene expression in cardiovascular disease. It is necessary to identify the mechanism of shear stress influencing gene expression in physiology and pathophysiology conditions. This paper aimed to identify candidate hub genes and its transcription factors with bioinformatics. METHODS We analyzed microarray expression profile of GSE16706 to identify differentially expressed genes (DEGs) in low shear stress (1 dyne/cm2) treated human umbilical vein endothelial cells (HUVECs) compared with static condition for 24 h. RESULTS 652 DEGs, including 333 up-regulated and 319 down-regulated DEGs, were screen out. Functional enrichment analysis indicated enrichment items mainly included cytokine-cytokine receptor interaction and cell cycle. Five hub genes (CDC20, CCNA2, KIF11, KIF2C and PLK1) and one significant module (score = 17.39) were identified through protein-protein interaction (PPI) analysis. Key transcriptional factor FOXC1 displayed close interaction with all the hub genes via gene-transcriptional factor network. Single-gene GSEA analysis indicated that CDC20 was linked to the G2M_CHECKPOINT pathway and cell cycle pathway. CONCLUSIONS By using integrated bioinformatic analysis, a new transcriptional factor and hub-genes network related to HUVECs treated with low shear stress were identified. The new regulation mechanism we discovered may be a promising potential therapeutic target for cardiovascular disease.
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Affiliation(s)
- Yang Yang
- Cardiology Department Fourth Affiliated Hospital of China Medical University, Fourth Chongshan East Road, Huanggu District, Shenyang, 110032, Liaoning, China
| | - Xiangshan Xu
- Cardiology Department Fourth Affiliated Hospital of China Medical University, Fourth Chongshan East Road, Huanggu District, Shenyang, 110032, Liaoning, China.
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