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Zhao Y, Wang Z, Ji R, Wang Y, Zhang Y, Yu K. Relationship between carotid atherosclerosis and lipoprotein (a) in patients with acute ischemic stroke. Front Neurol 2024; 15:1383771. [PMID: 38988596 PMCID: PMC11234851 DOI: 10.3389/fneur.2024.1383771] [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: 02/08/2024] [Accepted: 05/31/2024] [Indexed: 07/12/2024] Open
Abstract
Objective This study aimed to examine the relationship between lipoprotein (a) (Lp[a]) and other blood lipid indexes and carotid artery atherosclerosis in patients with acute ischemic stroke (AIS). Methods A total of 2,018 patients were selected from the hospital "acute stroke intervention and secondary prevention registration database" by identifying blood fat indexes (cholesterol, triglyceride, high-density lipoprotein cholesterol, low-density lipoprotein cholesterol and Lp[a]). Based on the results of carotid artery ultrasound examinations, the patients were divided into a "no plaque" group, comprising 400 patients, a "plaque and no stenosis" group, comprising 1,122 patients and a "carotid stenosis" group, comprising 496 patients. The relationship between Lp(a) and blood lipid indexes and carotid artery atherosclerosis was then investigated using multi-factor logistics regression analysis. Results There were 400 patients (19.8%) with no carotid plaque, 1,122 patients (55.6%) with plaque and no carotid stenosis and 496 patients (24.6%) with carotid stenosis. As the degree of carotid artery atherosclerosis increased, the Lp(a) level gradually increased; Lp(a) and cholesterol were identified as independent risk factors for carotid atherosclerosis. Conclusion Lipoprotein (a) and cholesterol are independent risk factors for patients with AIS with carotid atherosclerosis, and their levels increase with the degree of carotid artery atherosclerosis; therefore, attention should focus on levels of cholesterol and Lp(a) in acute stroke patients to control atherosclerosis effectively.
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Affiliation(s)
- Yongna Zhao
- Department of Neurology, Renqiu Kangji Hospital, Renqiu, China
| | - Zhichao Wang
- Department of Neurology, Renqiu Kangji Hospital, Renqiu, China
| | - Ruijun Ji
- Department of Neurology, Beijing Tiantan Hospital Affiliated to Capital Medical University, Beijing, China
| | - Yongjun Wang
- Department of Neurology, Beijing Tiantan Hospital Affiliated to Capital Medical University, Beijing, China
| | - Yaguang Zhang
- Department of Neurology, Renqiu Kangji Hospital, Renqiu, China
| | - Kai Yu
- Department of Neurology, Renqiu Kangji Hospital, Renqiu, China
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Wang G, Xia M, Liang C, Pu F, Liu S, Jia D. Prognostic value of elevated lipoprotein (a) in patients with acute coronary syndromes: a systematic review and meta-analysis. Front Cardiovasc Med 2024; 11:1362893. [PMID: 38784168 PMCID: PMC11112025 DOI: 10.3389/fcvm.2024.1362893] [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: 12/29/2023] [Accepted: 04/24/2024] [Indexed: 05/25/2024] Open
Abstract
Background Elevated lipoprotein (a) level was recognized as an independent risk factor for significant adverse cardiovascular events in acute coronary syndrome (ACS) patients. Despite this recognition, the consensus in the literature regarding the prognostic significance of elevated lipoprotein (a) in ACS was also limited. Consequently, we conducted a thorough systematic review and meta-analysis to evaluate the prognostic relevance of elevated lipoprotein (a) level in individuals diagnosed with ACS. Methods and results A thorough literature review was conducted by systematically searching PubMed, Embase, and Cochrane databases until September 2023. This review specifically examined cohort studies exploring the prognostic implications of elevated lipoprotein (a) level in relation to major adverse cardiovascular events (MACE), including death, stroke, non-fatal myocardial infarction (MI), and coronary revascularization, in patients with ACS. The meta-analysis utilized aggregated multivariable hazard ratios (HR) and their respective 95% confidence intervals (CI) to evaluate prognostic implications between high and low lipoprotein (a) levels [the cut-off of high lipoprotein (a) level varies from 12.5 to 60 mg/dl]. Among 18,168 patients in the identified studies, elevated lipoprotein (a) was independently associated with increased MACE risk (HR 1.26; 95% CI: 1.17-1.35, P < 0.00001) and all-cause mortality (HR 1.36; 95% CI: 1.05-1.76, P = 0.02) in ACS patients. In summary, elevated lipoprotein (a) levels independently forecast MACE and all-cause mortality in ACS patients. Assessing lipoprotein (a) levels appears promising for risk stratification in ACS, offering valuable insights for tailoring secondary prevention strategies. Systematic Review Registration PROSPERO (CRD42023476543).
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Affiliation(s)
- Guochun Wang
- The Clinical College of North Sichuan Medical College, Nanchong, Sichuan, China
| | - Maoyin Xia
- The Clinical College of North Sichuan Medical College, Nanchong, Sichuan, China
| | - Cai Liang
- The Clinical College of North Sichuan Medical College, Nanchong, Sichuan, China
| | - Feng Pu
- The Clinical College of North Sichuan Medical College, Nanchong, Sichuan, China
| | - Sitai Liu
- Department of General Practice, Sichuan Mianyang 404 Hospital, The Second Affiliated Hospital of North Sichuan Medical College, Mianyang, Sichuan, China
| | - Dongxia Jia
- Department of General Practice, Sichuan Mianyang 404 Hospital, The Second Affiliated Hospital of North Sichuan Medical College, Mianyang, Sichuan, China
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Tian X, Zhang N, Tse G, Li G, Sun Y, Liu T. Association between lipoprotein(a) and premature atherosclerotic cardiovascular disease: a systematic review and meta-analysis. EUROPEAN HEART JOURNAL OPEN 2024; 4:oeae031. [PMID: 38737415 PMCID: PMC11086656 DOI: 10.1093/ehjopen/oeae031] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/06/2023] [Revised: 03/15/2024] [Accepted: 03/26/2024] [Indexed: 05/14/2024]
Abstract
Aims High lipoprotein(a) [Lp(a)] level has been demonstrated as an important risk factor for atherosclerotic cardiovascular diseases (ASCVD) amongst the older populations, whereas its effects in the younger population remain unclear. This study evaluated the associations between Lp(a) and the risk of premature ASCVD. Method and results PubMed and Embase were searched for related studies until 12 November 2023. Fifty-one studies including 100 540 participants were included. Mean age of patients ranged from 35.3 to 62.3 years. The proportion of male participants ranged from 0% to 100%. The mean follow-up was provided in five studies ranging from 1 year to 40 years. The definition of elevated Lp(a) varied among studies, such as >30 mg/dL, >50 mg/dL, the top tertiles, the top quartiles, the top quintiles, and so on. Higher Lp(a) was significantly associated with the composite ASCVD [odds ratio (OR): 2.15, 95% confidence interval (95% CI): 1.53-3.02, P < 0.001], especially for coronary artery disease (OR: 2.44, 95% CI: 2.06-2.90, P < 0.001) and peripheral arterial disease (OR: 2.56, 95% CI: 1.56-4.21, P < 0.001). This association remained significant in familial hypercholesterolaemia (FH) (OR: 3.11, 95% CI: 1.63-5.96, P < 0.001) and type 2 diabetes mellitus (T2DM) patients (OR: 2.23; 95% CI: 1.54-3.23, P < 0.001).Significant results were observed in South Asians (OR: 3.71, 95% CI: 2.31-5.96, P < 0.001), Caucasians (OR: 3.17, 95% CI: 2.22-4.52, P < 0.001), and patients with baseline low-density lipoprotein cholesterol (LDL-c) level ≥ 2.6 mmol/L. Conclusion Elevated Lp(a) predicts the risk of the composite or individual ASCVD in young, regardless of study design, gender, population characteristics (community or hospitalized), different premature definitions, and various Lp(a) measurement approaches. This association was important in South Asians, Caucasians, FH patients, T2DM patients, and patients with baseline LDL-c level ≥ 2.6 mmol/L.
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Affiliation(s)
- Xu Tian
- Tianjin Key Laboratory of Ionic-Molecular Function of Cardiovascular Disease, Department of Cardiology, Tianjin Institute of Cardiology, Second Hospital of Tianjin Medical University, Tianjin 300211, China
| | - Nan Zhang
- Tianjin Key Laboratory of Ionic-Molecular Function of Cardiovascular Disease, Department of Cardiology, Tianjin Institute of Cardiology, Second Hospital of Tianjin Medical University, Tianjin 300211, China
| | - Gary Tse
- Tianjin Key Laboratory of Ionic-Molecular Function of Cardiovascular Disease, Department of Cardiology, Tianjin Institute of Cardiology, Second Hospital of Tianjin Medical University, Tianjin 300211, China
- School of Nursing and Health Studies, Hong Kong Metropolitan University, Hong Kong, China
- Epidemiology Research Unit, Cardiovascular Analytics Group, PowerHealth Limited, Hong Kong, China
| | - Guangping Li
- Tianjin Key Laboratory of Ionic-Molecular Function of Cardiovascular Disease, Department of Cardiology, Tianjin Institute of Cardiology, Second Hospital of Tianjin Medical University, Tianjin 300211, China
| | - Yihong Sun
- Cardiology Department, China-Japan Friendship Hospital, Beijing, China
| | - Tong Liu
- Tianjin Key Laboratory of Ionic-Molecular Function of Cardiovascular Disease, Department of Cardiology, Tianjin Institute of Cardiology, Second Hospital of Tianjin Medical University, Tianjin 300211, China
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Woźniak E, Broncel M, Woźniak A, Satała J, Pawlos A, Bukowska B, Gorzelak-Pabiś P. Lipoprotein(a) is associated with DNA damage in patients with heterozygous familial hypercholesterolemia. Sci Rep 2024; 14:2564. [PMID: 38297066 PMCID: PMC10830471 DOI: 10.1038/s41598-024-52571-w] [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: 12/15/2023] [Accepted: 01/20/2024] [Indexed: 02/02/2024] Open
Abstract
Heterozygous familial hypercholesterolemia (HeFH) is a common autosomal-dominant inherited disorder associated with atherosclerotic cardiovascular disease (ASCVD). HeFH subjects have a higher lipoprotein(a), i.e. Lp(a), concentration than the general population. Patients with FH are exposed to elevated levels of LDL from birth and ox-LDL may induce other oxidation pathways. The aim of the study was to determine the levels of markers of oxidative stress and DNA damage in patients with HeFH and describe the effect of Lp(a) on the resulting damage. Higher DNA damage was identified in patients with HeFH compared to the normolipidemic ones, and ASCVD was associated with greater damage. Oxidative stress markers were elevated in HeFH patients; however, only ox-LDL was higher in the ASCVD group and its level correlated with DNA damage. A positive correlation was found between DNA damage and Lp(a) concentration in the HeFH patients. Higher levels of Lp(a) were associated with greater DNA damage, especially in patients with HeFH and ASCVD. In HeFH patients, the optimal Lp(a) cut-off point associated with ASCVD is > 23.45 nmol/L, i.e. much lower than for the general population; however this cut-off point needs validation in a larger group of HeFH patients.
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Affiliation(s)
- Ewelina Woźniak
- Laboratory of Tissue Immunopharmacology, Department of Internal Diseases and Clinical Pharmacology, Medical University of Lodz, Lodz, Poland.
| | - Marlena Broncel
- Laboratory of Tissue Immunopharmacology, Department of Internal Diseases and Clinical Pharmacology, Medical University of Lodz, Lodz, Poland
| | - Agnieszka Woźniak
- Laboratory of Tissue Immunopharmacology, Department of Internal Diseases and Clinical Pharmacology, Medical University of Lodz, Lodz, Poland
| | - Joanna Satała
- Laboratory of Tissue Immunopharmacology, Department of Internal Diseases and Clinical Pharmacology, Medical University of Lodz, Lodz, Poland
| | - Agnieszka Pawlos
- Laboratory of Tissue Immunopharmacology, Department of Internal Diseases and Clinical Pharmacology, Medical University of Lodz, Lodz, Poland
| | - Bożena Bukowska
- Department of Biophysics of Environmental Pollution, Faculty of Biology and Environmental Protection, University of Lodz, Lodz, Poland
| | - Paulina Gorzelak-Pabiś
- Laboratory of Tissue Immunopharmacology, Department of Internal Diseases and Clinical Pharmacology, Medical University of Lodz, Lodz, Poland
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Amin N, Devasia T, Kamath SU, Paramasivam G, Shetty PN, Singh A, Prakash GNS. Confounding Factors Responsible for Elevated Lp(a) Levels in Patients with Coronary Artery Disease. Ann Card Anaesth 2024; 27:32-36. [PMID: 38722118 PMCID: PMC10876127 DOI: 10.4103/aca.aca_88_23] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2023] [Revised: 08/24/2023] [Accepted: 09/29/2023] [Indexed: 05/12/2024] Open
Abstract
BACKGROUND Cardiovascular diseases (CVDs) are a leading cause of global mortality, motivating research into novel approaches for their management. Lipoprotein(a) (Lp(a)), a unique lipoprotein particle, has been implicated in atherosclerosis and thrombosis, suggesting its potential as a therapeutic target for CVDs. AIM This study aimed to investigate the association of Lp(a) levels with various cardiovascular parameters and events among patients with confirmed cardiovascular disease. METHODOLOGY A prospective study was conducted, enrolling 600 participants, predominantly comprising males (79%), with a mean age of 52.78 ± 0.412 years diagnosed with cardiovascular disease. The follow-up was done for 18 months. Patient demographics, blood investigations, and occurrence of major adverse cardiac events (MACE) were collected. SPSS version 21 was used to statistically analyze the relationships between elevated Lp(a) levels and factors such as age, glycated hemoglobin, mortality, MACE, cardiac death, target vessel revascularization, and stroke. RESULTS The study revealed significant (P < 0.05) associations between elevated Lp(a) levels and advanced age, increased glycated hemoglobin levels, as well as occurrences of all-cause mortality, MACE, cardiac death, target vessel revascularization, and stroke. Notably, a significant (P < 0.05), association between high Lp(a) levels and acute coronary syndrome (ACS) emerged, suggesting Lp(a)'s role in advanced cardiac events. CONCLUSION The findings highlight the potential significance of Lp(a) as a notable risk factor in cardiovascular health. The observed associations between elevated Lp(a) and adverse cardiovascular events, including ACS, underscore its pathogenic role. Consequently, this study supports the rationale for further research into Lp(a)-specific therapeutic interventions, offering substantial promise in refining the management strategies for cardiovascular diseases.
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Affiliation(s)
- Navaneeth Amin
- Department of Cardiology, Kasturba Medical College, Manipal, Manipal Academy of Higher Education, Manipal, Karnataka, India
| | - Tom Devasia
- Department of Cardiology, Kasturba Medical College, Manipal, Manipal Academy of Higher Education, Manipal, Karnataka, India
| | - Shobha Ullas Kamath
- Department of Biochemistry, Kasturba Medical College, Manipal, Manipal Academy of Higher Education, Manipal, Karnataka, India
| | - Ganesh Paramasivam
- Department of Cardiology, Kasturba Medical College, Manipal, Manipal Academy of Higher Education, Manipal, Karnataka, India
| | - Prasad Narayana Shetty
- Department of Cardiology, Kasturba Medical College, Manipal, Manipal Academy of Higher Education, Manipal, Karnataka, India
| | - Ajit Singh
- Department of Medicine, Kasturba Medical College, Manipal, Manipal Academy of Higher Education, Manipal, Karnataka, India
| | - Ganesha N. S. Prakash
- Department of Cardiology, Kasturba Medical College, Manipal, Manipal Academy of Higher Education, Manipal, Karnataka, India
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Maloberti A, Intravaia RCM, Mancusi C, Cesaro A, Golia E, Ilaria F, Coletta S, Merlini P, De Chiara B, Bernasconi D, Algeri M, Ossola P, Ciampi C, Riccio A, Tognola C, Ardissino M, Inglese E, Scaglione F, Calabrò P, De Luca N, Giannattasio C. Secondary Prevention and Extreme Cardiovascular Risk Evaluation (SEVERE-1), Focus on Prevalence and Associated Risk Factors: The Study Protocol. High Blood Press Cardiovasc Prev 2023; 30:573-583. [PMID: 38030852 PMCID: PMC10721661 DOI: 10.1007/s40292-023-00607-z] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2023] [Accepted: 10/30/2023] [Indexed: 12/01/2023] Open
Abstract
INTRODUCTION Despite significant improvement in secondary CardioVascular (CV) preventive strategies, some acute and chronic coronary syndrome (ACS and CCS) patients will suffer recurrent events (also called "extreme CV risk"). Recently new biochemical markers, such as uric acid (UA), lipoprotein A [Lp(a)] and several markers of inflammation, have been described to be associated with CV events recurrence. The SEcondary preVention and Extreme cardiovascular Risk Evaluation (SEVERE-1) study will accurately characterize extreme CV risk patients enrolled in cardiac rehabilitation (CR) programs. AIM Our aims will be to describe the prevalence of extreme CV risk and its association with newly described biochemical CV risk factors. AIM Our aims will be to describe the prevalence of extreme CV risk and its association with newly described biochemical CV risk factors. METHODS We will prospectively enrol 730 ACS/CCS patients at the beginning of a CR program. Extreme CV risk will be retrospectively defined as the presence of a previous (within 2 years) CV events in the patients' clinical history. UA, Lp(a) and inflammatory markers (interleukin-6 and -18, tumor necrosis factor alpha, C-reactive protein, calprotectin and osteoprotegerin) will be assessed in ACS/CCS patients with extreme CV risk and compared with those without extreme CV risk but also with two control groups: 1180 hypertensives and 765 healthy subjects. The association between these biomarkers and extreme CV risk will be assessed with a multivariable model and two scoring systems will be created for an accurate identification of extreme CV risk patients. The first one will use only clinical variables while the second one will introduce the biochemical markers. Finally, by exome sequencing we will both evaluate polygenic risk score ability to predict recurrent events and perform mendellian randomization analysis on CV biomarkers. CONCLUSIONS Our study proposal was granted by the European Union PNRR M6/C2 call. With this study we will give definitive data on extreme CV risk prevalence rising attention on this condition and leading cardiologist to do a better diagnosis and to carry out a more intensive treatment optimization that will finally leads to a reduction of future ACS recurrence. This will be even more important for cardiologists working in CR that is a very important place for CV risk definition and therapies refinement.
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Affiliation(s)
- Alessandro Maloberti
- School of Medicine and Surgery, Milano-Bicocca University, Milan, Italy.
- Cardiology 4, Cardio Center, ASST GOM Niguarda, Niguarda Hospital, Piazza Ospedale Maggiore 3, 20159, Milan, Italy.
| | | | - Costantino Mancusi
- Cardiac Rehabilitation Unit, Federico II° University Hospital, Naples, Italy
| | | | - Enrica Golia
- S. Anna e S. Sebastiano Hospital, Caserta, Italy
| | - Fucile Ilaria
- Cardiac Rehabilitation Unit, Federico II° University Hospital, Naples, Italy
| | | | - Piera Merlini
- Cardiology 4, Cardio Center, ASST GOM Niguarda, Niguarda Hospital, Piazza Ospedale Maggiore 3, 20159, Milan, Italy
| | - Benedetta De Chiara
- Cardiology 4, Cardio Center, ASST GOM Niguarda, Niguarda Hospital, Piazza Ospedale Maggiore 3, 20159, Milan, Italy
| | - Davide Bernasconi
- School of Medicine and Surgery, Milano-Bicocca University, Milan, Italy
- Clinical Research and Innovation, Niguarda Hospital, Milan, Italy
| | - Michela Algeri
- Cardiology 4, Cardio Center, ASST GOM Niguarda, Niguarda Hospital, Piazza Ospedale Maggiore 3, 20159, Milan, Italy
| | - Paolo Ossola
- School of Medicine and Surgery, Milano-Bicocca University, Milan, Italy
| | - Claudio Ciampi
- School of Medicine and Surgery, Milano-Bicocca University, Milan, Italy
| | - Alfonso Riccio
- School of Medicine and Surgery, Milano-Bicocca University, Milan, Italy
| | - Chiara Tognola
- School of Medicine and Surgery, Milano-Bicocca University, Milan, Italy
- Cardiology 4, Cardio Center, ASST GOM Niguarda, Niguarda Hospital, Piazza Ospedale Maggiore 3, 20159, Milan, Italy
| | - Maddalena Ardissino
- Cambridge University Hospitals NHS Trust, Cambridge, UK
- National Heart and Lung Institute, Imperial College London, London, UK
| | - Elvira Inglese
- Department of Laboratory Medicine, ASST "Grande Ospedale Metropolitano" Niguarda, 20162, Milan, Italy
- Department of Brain and Behavioral Sciences, University of Pavia, 27100, Pavia, Italy
| | - Francesco Scaglione
- Department of Laboratory Medicine, ASST "Grande Ospedale Metropolitano" Niguarda, 20162, Milan, Italy
- Department of Oncology and Hemato-Oncology, University of Milan, 20122, Milan, Italy
| | | | - Nicola De Luca
- Cardiac Rehabilitation Unit, Federico II° University Hospital, Naples, Italy
| | - Cristina Giannattasio
- School of Medicine and Surgery, Milano-Bicocca University, Milan, Italy
- Cardiology 4, Cardio Center, ASST GOM Niguarda, Niguarda Hospital, Piazza Ospedale Maggiore 3, 20159, Milan, Italy
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Shi Y, Cheng Z, Jian W, Liu Y, Liu J. Machine learning-based analysis of risk factors for chronic total occlusion in an Asian population. J Int Med Res 2023; 51:3000605231202141. [PMID: 37818654 PMCID: PMC10566279 DOI: 10.1177/03000605231202141] [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: 02/26/2023] [Accepted: 08/30/2023] [Indexed: 10/12/2023] Open
Abstract
OBJECTIVES Chronic total occlusion (CTO) is a form of coronary artery disease (CAD) requiring percutaneous coronary intervention. There has been minimal research regarding CTO-specific risk factors and predictive models. We developed machine learning predictive models based on clinical characteristics to identify patients with CTO before coronary angiography. METHODS Data from 1473 patients with CAD, including 317 patients with and 1156 patients without CTO, were retrospectively analyzed. Partial least squares discriminant analysis (PLS-DA), random forest (RF), and support vector machine (SVM) models were used to identify CTO-specific risk factors and predict CTO development. Receiver operating characteristic (ROC) curve analysis was performed for model validation. RESULTS For CTO prediction, the PLS-DA model included 10 variables; the ROC value was 0.706. The RF model included 42 variables; the ROC value was 0.702. The SVM model included 20 variables; the ROC value was 0.696. DeLong's test showed no difference among the three models. Four variables were present in all models: sex, neutrophil percentage, creatinine, and brain natriuretic peptide (BNP). CONCLUSIONS Validation of machine learning prediction models for CTO revealed that the PLS-DA model had the best prediction performance. Sex, neutrophil percentage, creatinine, and BNP may be important risk factors for CTO development.
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Affiliation(s)
- Yuchen Shi
- Center for Coronary Artery Disease (CCAD), Beijing Anzhen Hospital, Capital Medical University, and Beijing Institute of Heart, Lung and Blood Vessel Diseases, Beijing, China
| | - Zichao Cheng
- Center for Coronary Artery Disease (CCAD), Beijing Anzhen Hospital, Capital Medical University, and Beijing Institute of Heart, Lung and Blood Vessel Diseases, Beijing, China
| | - Wen Jian
- Center for Coronary Artery Disease (CCAD), Beijing Anzhen Hospital, Capital Medical University, and Beijing Institute of Heart, Lung and Blood Vessel Diseases, Beijing, China
| | - Yanci Liu
- Center for Coronary Artery Disease (CCAD), Beijing Anzhen Hospital, Capital Medical University, and Beijing Institute of Heart, Lung and Blood Vessel Diseases, Beijing, China
| | - Jinghua Liu
- Center for Coronary Artery Disease (CCAD), Beijing Anzhen Hospital, Capital Medical University, and Beijing Institute of Heart, Lung and Blood Vessel Diseases, Beijing, China
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Hong SP, Kim CY, Jung HW. The Comparison of the Associations of Lipoprotein(a) and the Atherogenic Index of Plasma With Coronary Artery Calcification in Patients Without High LDL-C: A Comparative Analysis. J Lipid Atheroscler 2023; 12:152-163. [PMID: 37265852 PMCID: PMC10232225 DOI: 10.12997/jla.2023.12.2.152] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2022] [Revised: 12/05/2022] [Accepted: 01/15/2023] [Indexed: 06/03/2023] Open
Abstract
Objective Lipoprotein(a) (Lp[a]) and the atherogenic index of plasma (AIP) have been reported as predictive markers of coronary artery calcium (CAC). However, previous studies demonstrated that the cardiovascular risk associations with Lp(a) are attenuated in patients with low-density lipoprotein cholesterol (LDL-C) levels ≤135 mg/dL. However, few articles have identified the risk factors of CAC in patients without high LDL-C. Therefore, we performed this study to investigate the association of Lp(a) and AIP with CAC in patients with LDL-C levels ≤135 mg/dL. Methods This study included 625 lipid-lowering agent naive patients with LDL-C levels ≤135 mg/dL who underwent coronary computed tomographic angiography. We performed multivariate logistic regression analysis to evaluate the risk factors for a coronary artery calcium score (CACS) >0, CACS ≥400, and CAC ≥90th percentile. Results The mean age of the patients was 55.0±7.9 years and their mean LDL-C level was 94.7 ±23.3 mg/dL. Multivariate regression analysis showed that age, male sex, diabetes, hypertension, Lp(a), and AIP were independent predictors of CAS>0. Age, male sex, and diabetes were independent predictors of CACS≥400. Diabetes, hypertension, and AIP were independent predictors of CAC ≥90th percentile (all p<0.05). Unlike Lp(a), higher AIP tertiles were associated with significantly higher CAC percentiles and greater proportions of patients with CACS ≥400 and CAC ≥90th percentile. Conclusion In patients without high LDL-C, AIP could be a more reliable predictor of CAC than Lp(a).
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Affiliation(s)
- Seung-Pyo Hong
- Department of Cardiology, Daegu Catholic University Medical Center, Daegu, Korea
| | - Chang-Yeon Kim
- Department of Cardiology, Daegu Catholic University Medical Center, Daegu, Korea
| | - Hae Won Jung
- Department of Cardiology, Daegu Catholic University Medical Center, Daegu, Korea
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Helk O, Böck A, Stefanutti C, Widhalm K. Lp(a) does not affect intima media thickness in hypercholesterolemic children -a retrospective cross sectional study. ATHEROSCLEROSIS PLUS 2023; 51:1-7. [PMID: 36969701 PMCID: PMC10037085 DOI: 10.1016/j.athplu.2022.11.001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/20/2022] [Revised: 10/30/2022] [Accepted: 11/21/2022] [Indexed: 06/18/2023]
Abstract
PURPOSE Combined hyperlipidaemia results in premature atherosclerosis and a high burden of cardiovascular morbidity and mortality. Early identification of highly affected subjects within this population is of utmost importance to enable informed treatment decisions. The measurement of intima media thickness (IMT) is a readily available, non-invasive method to investigate evidence of early atherosclerosis. To assess the usefulness of this method in pediatric subjects with hypercholesterolemia, we here examined a possible interaction of LDL-C and Lp(a) on IMT. METHODS Blood lipids (Lp(a), LDL-cholesterol, total cholesterol, triglycerides, high density lipoprotein (HDL) -cholesterol, apolipoprotein A1, apolipoprotein B), anthropometric parameters (age, height, weight, body mass index (BMI)) and possibly existing early evidence of atherosclerotic lesions measured by intima media thickness (IMT zscore).as a surrogate parameter was examined retrospectively in 113 children and adolescents (aged 1-18 years) with elevated Lp(a) and/or LDL-cholesterol (Lp(a) > 30 mg/dL, LDL>130 mg/dL). Furthermore, we compared hsCRP levels between groups. RESULTS There were no significant differences in IMT Zscore or hsCRP between groups. Regression analysis did not reveal a statistically significant interaction between Lp(a) and LDL-C. CONCLUSIONS At the age of 6-18 years, we found no significant differences in early markers of atherosclerosis between subjects with high Lp(a)- and/or high LDL-cholesterol with no detectable synergistic effects between the two lipoproteins.
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Affiliation(s)
- Oliver Helk
- Department of Nephrology and Dialysis, Medical University of Vienna, Austria
| | - Andreas Böck
- University Department for Paediatrics and Adolescent Medicine, Medical University of Vienna, Austria
| | - Claudia Stefanutti
- Extracorporeal Therapeutic Techniques, Lipid Clinic and Atherosclerosis Prevention Centre, Department of Molecular Medicine and Department of Immunohematology and Transfusion Medicine, ‘Sapienza’ University of Rome, Italy
| | - Kurt Widhalm
- University Department for Paediatrics and Adolescent Medicine, Medical University of Vienna, Austria
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Al Hageh C, Chacar S, Ghassibe-Sabbagh M, Platt DE, Henschel A, Hamdan H, Gauguier D, El Murr Y, Alefishat E, Chammas E, O’Sullivan S, Abchee A, Nader M, Zalloua PA. Elevated Lp(a) Levels Correlate with Severe and Multiple Coronary Artery Stenotic Lesions. Vasc Health Risk Manag 2023; 19:31-41. [PMID: 36703868 PMCID: PMC9871050 DOI: 10.2147/vhrm.s394134] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2022] [Accepted: 12/21/2022] [Indexed: 01/19/2023] Open
Abstract
Backgrounds and Aims The role of Lipoprotein(a) (Lp(a)) in increasing the risk of cardiovascular diseases is reported in several populations. The aim of this study is to investigate the correlation of high Lp(a) levels with the degree of coronary artery stenosis. Methods Two hundred and sixty-eight patients were enrolled for this study. Patients who underwent coronary artery angiography and who had Lp(a) measurements available were included in this study. Binomial logistic regressions were applied to investigate the association between Lp(a) and stenosis in the four major coronary arteries. The effect of LDL and HDL Cholesterol on modulating the association of Lp(a) with coronary artery disease (CAD) was also evaluated. Multinomial regression analysis was applied to assess the association of Lp(a) with the different degrees of stenosis in the four major coronary arteries. Results Our analyses showed that Lp(a) is a risk factor for CAD and this risk is significantly apparent in patients with HDL-cholesterol ≥35 mg/dL and in non-obese patients. A large proportion of the study patients with elevated Lp(a) levels had CAD even when exhibiting high HDL serum levels. Increased HDL with low Lp(a) serum levels were the least correlated with stenosis. A significantly higher levels of Lp(a) were found in patients with >50% stenosis in at least two major coronary vessels arguing for pronounced and multiple stenotic lesions. Finally, the derived variant (rs1084651) of the LPA gene was significantly associated with CAD. Conclusion Our study highlights the importance of Lp(a) levels as an independent biological marker of severe and multiple coronary artery stenosis.
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Affiliation(s)
- Cynthia Al Hageh
- Department of Molecular Biology and Genetics, College of Medicine and Health Sciences, Khalifa University of Science and Technology, Abu Dhabi, United Arab Emirates
| | - Stephanie Chacar
- Department of Physiology and Immunology, College of Medicine and Health Sciences, Khalifa University of Science and Technology, Abu Dhabi, United Arab Emirates
| | - Michella Ghassibe-Sabbagh
- Department of Natural Sciences, School of Arts and Sciences, Lebanese American University, Beirut, Lebanon
| | - Daniel E Platt
- Computational Biology Center, IBM TJ Watson Research Centre, Yorktown Hgts, NY, USA
| | - Andreas Henschel
- Department of Electrical Engineering and Computer, Khalifa University of Science and Technology, Abu Dhabi, United Arab Emirates
| | - Hamdan Hamdan
- Department of Physiology and Immunology, College of Medicine and Health Sciences, Khalifa University of Science and Technology, Abu Dhabi, United Arab Emirates
| | - Dominique Gauguier
- Université Paris Cité, INSERM UMR 1124, Paris, 75006, France,McGill University and Genome Quebec Innovation Centre, Montreal, QC, H3A 0G1, Canada
| | - Yara El Murr
- Department of Natural Sciences, School of Arts and Sciences, Lebanese American University, Beirut, Lebanon
| | - Eman Alefishat
- Department of Pharmacology, College of Medicine and Health Sciences, Khalifa University of Science and Technology, Abu Dhabi, United Arab Emirates,Center for Biotechnology, Khalifa University of Science and Technology, Abu Dhabi, 127788, United Arab Emirates
| | - Elie Chammas
- School of Medicine, Lebanese University, Beirut, Lebanon
| | - Siobhán O’Sullivan
- Department of Molecular Biology and Genetics, College of Medicine and Health Sciences, Khalifa University of Science and Technology, Abu Dhabi, United Arab Emirates
| | - Antoine Abchee
- Sheikh Shakhbout Medical City, Abu Dhabi, United Arab Emirates
| | - Moni Nader
- Department of Physiology and Immunology, College of Medicine and Health Sciences, Khalifa University of Science and Technology, Abu Dhabi, United Arab Emirates,Center for Biotechnology, Khalifa University of Science and Technology, Abu Dhabi, 127788, United Arab Emirates
| | - Pierre A Zalloua
- Department of Molecular Biology and Genetics, College of Medicine and Health Sciences, Khalifa University of Science and Technology, Abu Dhabi, United Arab Emirates,Center for Biotechnology, Khalifa University of Science and Technology, Abu Dhabi, 127788, United Arab Emirates,Harvard T.H. Chan School of Public Health, Boston, MA, USA,Correspondence: Pierre A Zalloua; Moni Nader, College of Medicine and Health Sciences, Khalifa University for Science and Technology, PO Box 127788, Abu Dhabi, United Arab Emirates, Email ;
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Shi Y, Zheng Z, Liu Y, Wu Y, Wang P, Liu J. Leveraging Machine Learning Techniques to Forecast Chronic Total Occlusion before Coronary Angiography. J Clin Med 2022; 11:jcm11236993. [PMID: 36498568 PMCID: PMC9739483 DOI: 10.3390/jcm11236993] [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: 10/19/2022] [Revised: 11/17/2022] [Accepted: 11/24/2022] [Indexed: 11/29/2022] Open
Abstract
BACKGROUND Chronic total occlusion (CTO) remains the most challenging procedure in coronary artery disease (CAD) for interventional cardiology. Although some clinical risk factors for CAD have been identified, there is no personalized prognosis test available to confidently identify patients at high or low risk for CTO CAD. This investigation aimed to use a machine learning algorithm for clinical features from clinical routine to develop a precision medicine tool to predict CTO before CAG. METHODS Data from 1473 CAD patients were obtained, including 1105 in the training cohort and 368 in the testing cohort. The baseline clinical characteristics were collected. Univariate and multivariate logistic regression analyses were conducted to identify independent risk factors that impact the diagnosis of CTO. A CTO predicting model was established and validated based on the independent predictors using a machine learning algorithm. The area under the curve (AUC) was used to evaluate the model. RESULTS The CTO prediction model was developed with the training cohort using the machine learning algorithm. Eight variables were confirmed as 'important': gender (male), neutrophil percentage (NE%), hematocrit (HCT), total cholesterol (TC), high-density lipoprotein cholesterol (HDL), ejection fraction (EF), troponin I (TnI), and N-terminal pro-B-type natriuretic peptide (NT-proBNP). The model achieved good concordance indices of 0.724 and 0.719 in the training and testing cohorts, respectively. CONCLUSIONS An easy-to-use tool to predict CTO in patients with CAD was developed and validated. More research with larger cohorts are warranted to improve the prediction model, which can support clinician decisions on the early discerning CTO in CAD patients.
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Affiliation(s)
- Yuchen Shi
- Center for Coronary Artery Disease (CCAD), Beijing Anzhen Hospital, Capital Medical University, Beijing Institute of Heart, Lung and Blood Vessel Diseases, 2 Anzhen Road, Chaoyang District, Beijing 100029, China
| | - Ze Zheng
- Center for Coronary Artery Disease (CCAD), Beijing Anzhen Hospital, Capital Medical University, Beijing Institute of Heart, Lung and Blood Vessel Diseases, 2 Anzhen Road, Chaoyang District, Beijing 100029, China
| | - Yanci Liu
- Center for Coronary Artery Disease (CCAD), Beijing Anzhen Hospital, Capital Medical University, Beijing Institute of Heart, Lung and Blood Vessel Diseases, 2 Anzhen Road, Chaoyang District, Beijing 100029, China
| | - Yongxin Wu
- Zhengzhou Central Hospital Affiliated to Zhengzhou University, Zhengzhou 450007, China
| | - Ping Wang
- Center for Coronary Artery Disease (CCAD), Beijing Anzhen Hospital, Capital Medical University, Beijing Institute of Heart, Lung and Blood Vessel Diseases, 2 Anzhen Road, Chaoyang District, Beijing 100029, China
| | - Jinghua Liu
- Center for Coronary Artery Disease (CCAD), Beijing Anzhen Hospital, Capital Medical University, Beijing Institute of Heart, Lung and Blood Vessel Diseases, 2 Anzhen Road, Chaoyang District, Beijing 100029, China
- Correspondence: ; Fax: +86-010-64456998
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