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Khan Minhas AM, Sedhom R, Jean ED, Shapiro MD, Panza JA, Alam M, Virani SS, Ballantyne CM, Abramov D. Global burden of cardiovascular disease attributable to smoking, 1990-2019: an analysis of the 2019 Global Burden of Disease Study. Eur J Prev Cardiol 2024; 31:1123-1131. [PMID: 38589018 DOI: 10.1093/eurjpc/zwae040] [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] [Received: 11/29/2023] [Revised: 01/16/2024] [Accepted: 01/28/2024] [Indexed: 04/10/2024]
Abstract
AIMS This study aims to investigate the trends in the global cardiovascular disease (CVD) burden attributable to smoking from 1990 to 2019. METHODS AND RESULTS Global Burden of Disease Study 2019 was used to analyse the burden of CVD attributable to smoking (i.e. ischaemic heart disease, peripheral artery disease, stroke, atrial fibrillation and flutter, and aortic aneurysm). Age-standardized mortality rates (ASMRs) per 100 000 and age-standardized disability-adjusted life year rates (ASDRs) per 100 000, as well as an estimated annual percentage change (EAPC) in ASMR and ASDR, were determined by age, sex, year, socio-demographic index (SDI), regions, and countries or territories. The global ASMR of smoking-attributed CVD decreased from 57.16/100 000 [95% uncertainty interval (UI) 54.46-59.97] in 1990 to 33.03/100 000 (95% UI 30.43-35.51) in 2019 [EAPC -0.42 (95% UI -0.47 to -0.38)]. Similarly, the ASDR of smoking-attributed CVD decreased between 1990 and 2019. All CVD subcategories showed a decline in death burden between 1990 and 2019. The burden of smoking-attributed CVD was higher in men than in women. Significant geographic and regional variations existed such that Eastern Europe had the highest ASMR and Andean Latin America had the lowest ASMR in 2019. In 2019, the ASMR of smoking-attributed CVD was lowest in high SDI regions. CONCLUSION Smoking-attributed CVD morbidity and mortality are declining globally, but significant variation persists, indicating a need for targeted interventions to reduce smoking-related CVD burden.
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Affiliation(s)
| | - Ramy Sedhom
- Division of Cardiology, Loma Linda University Medical Center, Loma Linda, 2068 Orange Tree Lane, Suite 215, Redlands, CA 92374, USA
| | - Estelle D Jean
- Department of Cardiology, Medstar Heart and Vascular Institute, Silver Springs, MD, USA
| | - Michael D Shapiro
- Section on Cardiovascular Medicine, Wake Forest University School of Medicine, Winston-Salem, NC, USA
| | - Julio A Panza
- Department of Cardiology, Westchester Medical Center, Valhalla, NY, USA
| | - Mahboob Alam
- Section of Cardiology, Baylor College of Medicine, Houston, TX, USA
| | - Salim S Virani
- Aga Khan University, Karachi, Pakistan
- Baylor College of Medicine and Texas Heart Institute, Houston, TX, USA
| | | | - Dmitry Abramov
- Division of Cardiology, Loma Linda University Medical Center, Loma Linda, 2068 Orange Tree Lane, Suite 215, Redlands, CA 92374, USA
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2
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Vanmaele A, Bouwens E, Hoeks SE, Kindt A, Lamont L, Fioole B, Moelker A, Ten Raa S, Hussain B, Oliveira-Pinto J, Ijpma AS, van Lier F, Akkerhuis KM, Majoor-Krakauer DF, Hankemeier T, de Rijke Y, Verhagen HJ, Boersma E, Kardys I. Targeted proteomics and metabolomics for biomarker discovery in abdominal aortic aneurysm and post-EVAR sac volume. Clin Chim Acta 2024; 554:117786. [PMID: 38246209 DOI: 10.1016/j.cca.2024.117786] [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: 05/10/2023] [Revised: 12/27/2023] [Accepted: 01/14/2024] [Indexed: 01/23/2024]
Abstract
BACKGROUND AND AIMS Abdominal aortic aneurysm (AAA) patients undergo uniform surveillance programs both leading up to, and following surgery. Circulating biomarkers could play a pivotal role in individualizing surveillance. We applied a multi-omics approach to identify relevant biomarkers and gain pathophysiological insights. MATERIALS AND METHODS In this cross-sectional study, 108 AAA patients and 200 post-endovascular aneurysm repair (post-EVAR) patients were separately investigated. We performed partial least squares regression and ingenuity pathway analysis on circulating concentrations of 96 proteins (92 Olink Cardiovascular-III panel, 4 ELISA-assays) and 199 metabolites (measured by LC-TQMS), and their associations with CT-based AAA/sac volume. RESULTS The median (25th-75th percentile) maximal diameter was 50.0 mm (46.0, 53.0) in the AAA group, and 55.4 mm (45.0, 64.2) in the post-EVAR group. Correcting for clinical characteristics in AAA patients, the aneurysm volume Z-score differed 0.068 (95 %CI: (0.042, 0.093)), 0.066 (0.047, 0.085) and -0.051 (-0.064, -0.038) per Z-score valine, leucine and uPA, respectively. After correcting for clinical characteristics and orthogonalization in the post-EVAR group, the sac volume Z-score differed 0.049 (0.034, 0.063) per Z-score TIMP-4, -0.050 (-0.064, -0.037) per Z-score LDL-receptor, -0.051 (-0.062, -0.040) per Z-score 1-OG/2-OG and -0.056 (-0.066, -0.045) per Z-score 1-LG/2-LG. CONCLUSIONS The branched-chain amino acids and uPA were related to AAA volume. For post-EVAR patients, LDL-receptor, monoacylglycerols and TIMP-4 are potential biomarkers for sac volume. Additionally, distinct markers for sac change were identified.
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Affiliation(s)
- Alexander Vanmaele
- Department of Cardiology, Thorax Centre, Cardiovascular Institute, Erasmus MC, Rotterdam, the Netherlands; Department of Vascular Surgery, Erasmus MC, Rotterdam, the Netherlands
| | - Elke Bouwens
- Department of Cardiology, Thorax Centre, Cardiovascular Institute, Erasmus MC, Rotterdam, the Netherlands; Department of Vascular Surgery, Erasmus MC, Rotterdam, the Netherlands; Department of Anesthesiology, Erasmus MC, Rotterdam, the Netherlands
| | - Sanne E Hoeks
- Department of Anesthesiology, Erasmus MC, Rotterdam, the Netherlands
| | - Alida Kindt
- Metabolomics and Analytics Centre, Leiden Academic Centre for Drug Research, Leiden University, Leiden, the Netherlands
| | - Lieke Lamont
- Metabolomics and Analytics Centre, Leiden Academic Centre for Drug Research, Leiden University, Leiden, the Netherlands
| | - Bram Fioole
- Department of Vascular Surgery, Maasstad Hospital, Rotterdam, the Netherlands
| | - Adriaan Moelker
- Department of Radiology and Nuclear Medicine, Erasmus MC, Rotterdam, the Netherlands
| | - Sander Ten Raa
- Department of Vascular Surgery, Erasmus MC, Rotterdam, the Netherlands
| | - Burhan Hussain
- Department of Radiology and Nuclear Medicine, Erasmus MC, Rotterdam, the Netherlands; Department of Radiology, Beatrix hospital, Gorinchem, the Netherlands
| | - José Oliveira-Pinto
- Department of Vascular Surgery, Erasmus MC, Rotterdam, the Netherlands; Department of Angiology and Vascular Surgery, Centro Hospitalar São João, Porto, Portugal; Department of Surgery and Physiology, Faculty of Medicine of Oporto, Porto, Portugal
| | - Arne S Ijpma
- Department of Pathology, Erasmus MC, Rotterdam, the Netherlands
| | - Felix van Lier
- Department of Anesthesiology, Erasmus MC, Rotterdam, the Netherlands
| | - K Martijn Akkerhuis
- Department of Cardiology, Thorax Centre, Cardiovascular Institute, Erasmus MC, Rotterdam, the Netherlands
| | | | - Thomas Hankemeier
- Metabolomics and Analytics Centre, Leiden Academic Centre for Drug Research, Leiden University, Leiden, the Netherlands
| | - Yolanda de Rijke
- Department of Clinical Chemistry, Erasmus MC, Rotterdam, the Netherlands
| | - Hence Jm Verhagen
- Department of Vascular Surgery, Erasmus MC, Rotterdam, the Netherlands
| | - Eric Boersma
- Department of Cardiology, Thorax Centre, Cardiovascular Institute, Erasmus MC, Rotterdam, the Netherlands
| | - Isabella Kardys
- Department of Cardiology, Thorax Centre, Cardiovascular Institute, Erasmus MC, Rotterdam, the Netherlands.
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3
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Plasma complement component C2: a potential biomarker for predicting abdominal aortic aneurysm related complications. Sci Rep 2022; 12:21252. [PMID: 36482198 PMCID: PMC9732295 DOI: 10.1038/s41598-022-24698-1] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2022] [Accepted: 11/18/2022] [Indexed: 12/13/2022] Open
Abstract
Blood-based adjunctive measures that can reliably predict abdominal aortic aneurysm (AAA)-related complications hold promise for mitigating the AAA disease burden. In this pilot study, we sought to evaluate the prognostic performance of complement factors in predicting AAA-related clinical outcomes. We recruited consecutive AAA patients (n = 75) and non-AAA patients (n = 75) presenting to St. Michael's Hospital. Plasma levels of complement proteins were assessed at baseline, as well as prospectively measured regularly over a period of 2 years. The primary outcome was the incidence of rapidly progressing AAA (i.e. aortic expansion), defined as change in AAA diameter by either 0.5 cm in 6 months, or 1 cm in 12 months. Secondary outcomes included incidence of major adverse aortic events (MAAE) and major adverse cardiovascular events (MACE). All study outcomes (AAA diameter, MACE and MAAE) were obtained during follow-up. Multivariable adjusted Cox regression analyses were performed to assess the prognostic value of plasma C2 levels in patients with AAA regarding rapid aortic expansion and MAAE and MACE. Event-free survival rates of both groups were also compared. Compared to non-AAA patients, patients with AAA demonstrated significantly higher plasma concentrations of C1q, C4, Factor B, Factor H and Factor D, and significantly lower plasma concentrations of C2, C3, and C4b (p = 0.001). After a median of 24 months from initial baseline measurements, C2 was determined as the strongest predictor of rapid aortic expansion (HR 0.10, p = 0.040), MAAE (HR 0.09, p = 0.001) and MACE (HR 0.14, p = 0.011). Based on the data from the survival analysis, higher levels of C2 at admission in patients with AAA predicted greater risk for rapid aortic expansion and MAAE (not MACE). Plasma C2 has the potential to be a biomarker for predicting rapid aortic expansion, MAAE, and the eventual need for an aortic intervention in AAA patients.
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4
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tPA-NMDAR Signaling Blockade Reduces the Incidence of Intracerebral Aneurysms. Transl Stroke Res 2022; 13:1005-1016. [DOI: 10.1007/s12975-022-01004-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2021] [Revised: 03/03/2022] [Accepted: 03/04/2022] [Indexed: 11/26/2022]
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Xie X, Wang EC, Xu D, Shu X, Zhao YF, Guo D, Fu W, Wang L. Bioinformatics Analysis Reveals the Potential Diagnostic Biomarkers for Abdominal Aortic Aneurysm. Front Cardiovasc Med 2021; 8:656263. [PMID: 34355024 PMCID: PMC8329524 DOI: 10.3389/fcvm.2021.656263] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2021] [Accepted: 06/22/2021] [Indexed: 01/19/2023] Open
Abstract
Objectives: Abdominal aortic aneurysms (AAAs) are associated with high mortality rates. The genes and pathways linked with AAA remain poorly understood. This study aimed to identify key differentially expressed genes (DEGs) linked to the progression of AAA using bioinformatics analysis. Methods: Gene expression profiles of the GSE47472 and GSE57691 datasets were acquired from the Gene Expression Omnibus (GEO) database. These datasets were merged and normalized using the “sva” R package, and DEGs were identified using the limma package in R. The functions of these DEGs were assessed using Cytoscape software. We analyzed the DEGs using Gene Ontology and Kyoto Encyclopedia of Genes and Genomes pathway enrichment analysis. Protein–protein interaction networks were assembled using Cytoscape, and crucial genes were identified using the Cytoscape plugin, molecular complex detection. Data from GSE15729 and GSE24342 were also extracted to verify our findings. Results: We found that 120 genes were differentially expressed in AAA. Genes associated with inflammatory responses and nuclear-transcribed mRNA catabolic process were clustered in two gene modules in AAA. The hub genes of the two modules were IL6, RPL21, and RPL7A. The expression levels of IL6 correlated positively with RPL7A and negatively with RPL21. The expression of RPL21 and RPL7A was downregulated, whereas that of IL6 was upregulated in AAA. Conclusions: The expression of RPL21 or RPL7A combined with IL6 has a diagnostic value for AAA. The novel DEGs and pathways identified herein might provide new insights into the underlying molecular mechanisms of AAA.
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Affiliation(s)
- Xinsheng Xie
- Department of Vascular Surgery, Xiamen Branch, Zhongshan Hospital, Fudan University, Xiamen, China
| | - En Ci Wang
- Department of Vascular Surgery, Zhongshan Hospital, Fudan University, Shanghai, China.,Vascular Surgery Institute of Fudan University, Fudan University, Shanghai, China
| | - Dandan Xu
- Department of Neurology, Quanzhou First Hospital Affiliated to Fujian Medical University, Quanzhou, China
| | - Xiaolong Shu
- Department of Vascular Surgery, Zhongshan Hospital, Fudan University, Shanghai, China.,Vascular Surgery Institute of Fudan University, Fudan University, Shanghai, China
| | - Yu Fei Zhao
- Department of Vascular Surgery, Zhongshan Hospital, Fudan University, Shanghai, China.,Vascular Surgery Institute of Fudan University, Fudan University, Shanghai, China
| | - Daqiao Guo
- Department of Vascular Surgery, Zhongshan Hospital, Fudan University, Shanghai, China.,Vascular Surgery Institute of Fudan University, Fudan University, Shanghai, China
| | - Weiguo Fu
- Department of Vascular Surgery, Xiamen Branch, Zhongshan Hospital, Fudan University, Xiamen, China.,Department of Vascular Surgery, Zhongshan Hospital, Fudan University, Shanghai, China.,Vascular Surgery Institute of Fudan University, Fudan University, Shanghai, China
| | - Lixin Wang
- Department of Vascular Surgery, Xiamen Branch, Zhongshan Hospital, Fudan University, Xiamen, China.,Department of Vascular Surgery, Zhongshan Hospital, Fudan University, Shanghai, China.,Vascular Surgery Institute of Fudan University, Fudan University, Shanghai, China
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6
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Nana P, Dakis K, Brodis A, Spanos K, Kouvelos G. Circulating Biomarkers for the Prediction of Abdominal Aortic Aneurysm Growth. J Clin Med 2021; 10:1718. [PMID: 33923412 PMCID: PMC8072679 DOI: 10.3390/jcm10081718] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2021] [Revised: 04/13/2021] [Accepted: 04/14/2021] [Indexed: 12/31/2022] Open
Abstract
BACKGROUND Abdominal aortic aneurysm represents a distinct group of vascular lesions, in terms of surveillance and treatment. Screening and follow-up of patients via duplex ultrasound has been well established and proposed by current guidelines. However, serum circulating biomarkers could earn a position in individualized patient surveillance, especially in cases of aggressive AAA growth rates. A systematic review was conducted to assess the correlation of AAA expansion rates with serum circulating biomarkers. METHODS A data search of English medical literature was conducted, using PubMed, EMBASE, and CENTRAL, until 7 March 2021, in accordance with the Preferred Reporting Items for Systematic Reviews and Meta-Analysis statement (PRISMA) guidelines. Studies reporting on humans, on abdominal aortic aneurysm growth rates and on serum circulating biomarkers were included. No statistical analysis was conducted. RESULTS A total of 25 studies with 4753 patients were included. Studies were divided in two broad categories: Those reporting on clinically applicable (8 studies) and those reporting on experimental (17 studies) biomarkers. Twenty-three out of 25 studies used duplex ultrasound (DUS) for following patients. Amongst clinically applicable biomarkers, D-dimers, LDL-C, HDL-C, TC, ApoB, and HbA1c were found to bear the most significant association with AAA growth rates. In terms of the experimental biomarkers, PIIINP, osteopontin, tPA, osteopontin, haptoglobin polymorphisms, insulin-like growth factor I, thioredoxin, neutrophil extracellular traps (NETs), and genetic factors, as polymorphisms and microRNAs were positively correlated with increased AAA expansion rates. CONCLUSION In the presence of future robust data, specific serum biomarkers could potentially form the basis of an individualized surveillance strategy of patients presenting with increased AAA growth rates.
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Affiliation(s)
- Petroula Nana
- Vascular Surgery Department, Larissa University Hospital, Faculty of Medicine, School of Health Sciences, University of Thessaly, Mezourlo, 41110 Larissa, Greece; (K.D.); (K.S.); (G.K.)
| | - Konstantinos Dakis
- Vascular Surgery Department, Larissa University Hospital, Faculty of Medicine, School of Health Sciences, University of Thessaly, Mezourlo, 41110 Larissa, Greece; (K.D.); (K.S.); (G.K.)
| | - Alexandros Brodis
- Department of Neurosurgery, Larissa University Hospital, Faculty of Medicine, School of Health Sciences, University of Thessaly, Mezourlo, 41110 Larissa, Greece;
| | - Konstantinos Spanos
- Vascular Surgery Department, Larissa University Hospital, Faculty of Medicine, School of Health Sciences, University of Thessaly, Mezourlo, 41110 Larissa, Greece; (K.D.); (K.S.); (G.K.)
| | - George Kouvelos
- Vascular Surgery Department, Larissa University Hospital, Faculty of Medicine, School of Health Sciences, University of Thessaly, Mezourlo, 41110 Larissa, Greece; (K.D.); (K.S.); (G.K.)
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7
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Li Y, Yang D, Zheng Y. Challenges of applying circulating biomarkers for abdominal aortic aneurysm progression. Exp Biol Med (Maywood) 2021; 246:1054-1059. [PMID: 33641445 DOI: 10.1177/1535370221992530] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022] Open
Abstract
As a prevalent potentially life-threatening condition, abdominal aortic aneurysm (AAA) presents increasing risk of rupture as its diameter grows. However, rapid progression and rupture may occasionally occur in smaller AAAs. Earlier surgery for patients with high risk of disease progression may improve the outcome. Therefore, more precise indicators for invasive treatment in addition to diameter and abdominal symptoms are demanded. This systematic review aimed to identify potential circulating biomarkers that may predict growth rate of AAA. Cochrane and PubMed library were searched (until August 2020) for researches which reported circulating biomarkers associated with AAA expansion, and 25 papers were included. Twenty-eight identified biomarkers were further classified into five categories (inflammation and oxidative stress, matrix degradation, hematology and lipid metabolism, thrombosis and fibrinolysis, and others), and discussed further with their correlation and regression analysis results. Larger prospective trials are required to establish and evaluate prognostic models with highest values with these markers.
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Affiliation(s)
- Yuan Li
- Department of Vascular Surgery, Peking Union Medical College Hospital, Beijing 100730, China
| | - Dan Yang
- Department of Computational Biology and Bioinformatics, Institute of Medicinal Plant Development, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100193, China
| | - Yuehong Zheng
- Department of Vascular Surgery, Peking Union Medical College Hospital, Beijing 100730, China
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8
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Li Z, Kong W. Cellular signaling in Abdominal Aortic Aneurysm. Cell Signal 2020; 70:109575. [PMID: 32088371 DOI: 10.1016/j.cellsig.2020.109575] [Citation(s) in RCA: 32] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2020] [Revised: 02/19/2020] [Accepted: 02/19/2020] [Indexed: 12/31/2022]
Abstract
Abdominal aortic aneurysms (AAAs) are highly lethal cardiovascular diseases without effective medications. However, the molecular and signaling mechanisms remain unclear. A series of pathological cellular processes have been shown to contribute to AAA formation, including vascular extracellular matrix remodeling, inflammatory and immune responses, oxidative stress, and dysfunction of vascular smooth muscle cells. Each cellular process involves complex cellular signaling, such as NF-κB, MAPK, TGFβ, Notch and inflammasome signaling. In this review, we discuss how cellular signaling networks function in various cellular processes during the pathogenesis and progression of AAA. Understanding the interaction of cellular signaling networks with AAA pathogenesis as well as the crosstalk of different signaling pathways is essential for the development of novel therapeutic approaches to and personalized treatments of AAA diseases.
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Affiliation(s)
- Zhiqing Li
- Department of Physiology and Pathophysiology, School of Basic Medical Sciences, Peking University, Key Laboratory of Molecular Cardiovascular Science, Ministry of Education, Beijing 100191, China
| | - Wei Kong
- Department of Physiology and Pathophysiology, School of Basic Medical Sciences, Peking University, Key Laboratory of Molecular Cardiovascular Science, Ministry of Education, Beijing 100191, China.
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9
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Sukketsiri W, Hoshino K, Kugo H, Nakamura T, Sasoh T, Moriyama T, Zaima N. Isoflavone Ameliorated Oxidative Stress and Vascular Damages in Nicotine-Administrated Mice. J Oleo Sci 2019; 68:1241-1249. [PMID: 31735744 DOI: 10.5650/jos.ess19206] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Nicotine has been linked to the development of abdominal aortic aneurysms. Isoflavones, a group of polyphenolic compounds, reportedly exhibit antioxidant and anti-inflammatory properties and facilitate cardiovascular protection. However, the effects of isoflavone on nicotine-induced abdominal aortic aneurysms have not yet been elucidated. The objective of the current study was to evaluate the inhibitory effect of isoflavone on nicotine-induced weakening of the aortic wall in mouse models. Nicotine reportedly increases the occurrence of abdominal aortic aneurysms by activating endothelin-1 (ET-1), angiotensinogen and the angiotensin II type 1 (AT1) receptor, leading to an increase in neutrophil elastase, oxidative stress, and matrix metalloproteinase (MMP)-2 expression, which causes vascular wall weakness and damage. Immunohistological analyses have indicated that isoflavone significantly inhibits the activation of ET-1, angiotensinogen and the AT1 receptor in nicotine-administered mice. Additionally, isoflavone suppressed elastic fiber destruction and decreased areas positive for MMP-2, neutrophil elastase, and malondialdehyde in the vascular wall of nicotine-administered mice. Considered together, these findings suggest that isoflavone shows potential for preventing vascular wall injury induced by nicotine administration, and that food containing isoflavone may protect against abdominal aortic aneurysms.
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Affiliation(s)
- Wanida Sukketsiri
- Department of Pharmacology, Faculty of Science, Prince of Songkla University
| | - Kiyoto Hoshino
- Department of Applied Biological Chemistry, Graduate School of Agriculture, Kindai University
| | - Hirona Kugo
- Department of Applied Biological Chemistry, Graduate School of Agriculture, Kindai University
| | - Tomomi Nakamura
- Department of Applied Biological Chemistry, Graduate School of Agriculture, Kindai University
| | - Tsukasa Sasoh
- Department of Applied Biological Chemistry, Graduate School of Agriculture, Kindai University
| | - Tatsuya Moriyama
- Department of Applied Biological Chemistry, Graduate School of Agriculture, Kindai University.,Agricultural Technology and Innovation Research Institute, Kindai University
| | - Nobuhiro Zaima
- Department of Applied Biological Chemistry, Graduate School of Agriculture, Kindai University.,Agricultural Technology and Innovation Research Institute, Kindai University
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Sangiorgi G, Biondi-Zoccai G, Pizzuto A, Martelli E. Commentary: Biochemical Markers for Diagnosis and Follow-up of Aortic Diseases: An Endless Search for the Holy Grail. J Endovasc Ther 2019; 26:836-842. [PMID: 31608740 DOI: 10.1177/1526602819879941] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Affiliation(s)
- Giuseppe Sangiorgi
- Department of Systemic Medicine, Division of Cardiology, University of Tor Vergata, Rome, Italy
| | - Giuseppe Biondi-Zoccai
- Department of Medico-Surgical Sciences and Biotechnologies, Sapienza University of Rome, Latina, Italy.,Mediterranea Cardiocentro, Napoli, Italy
| | - Alessandra Pizzuto
- Department of Systemic Medicine, Division of Cardiology, University of Tor Vergata, Rome, Italy
| | - Eugenio Martelli
- Department of Medical, Surgical and Experimental Sciences, Division of Vascular Surgery, University of Sassari, Italy
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11
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The potential of cardiac rehabilitation as a method of suppressing abdominal aortic aneurysm expansion: a pilot study. Heart Vessels 2019; 34:2031-2039. [PMID: 31144100 DOI: 10.1007/s00380-019-01441-x] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/12/2019] [Accepted: 05/24/2019] [Indexed: 12/18/2022]
Abstract
This study is a prospective evaluation of the effectiveness of cardiac rehabilitation (CR) in terms of clinical outcomes for small abdominal aortic aneurysms (AAA) that were previously reported in a retrospective cohort study. We conducted a prospective non-randomized trial on patients with small AAA (N = 40; mean age 75.0 ± 6.6 years). Patients were enrolled into one of two groups, rehabilitation (CR) or non-rehabilitation (non-CR) group. Only CR group participated in a supervised-CR program including bicycle ergometer for 150 days. The AAA expansion rate and the risk of AAA repair were compared between two groups. We also researched the relationship between AAA expansion rate and body composition, blood IL-6 and TGFβ1 levels. The CR (N = 15) and non-CR groups (N = 25) were comparable in terms their baseline data. The CR group had a significantly smaller change in the maximal AAA size (- 1.3 ± 2.4 mm/years) compared to the non-CR group (2.0 ± 3.6 mm/years) (p < 0.01). The IL-6, and TGFβ1 levels were unrelated to the changes in AAA size. There was mild positive correlation between the change in systolic blood pressure from rest to exercise and the AAA expansion rate (p = 0.06). The risk of AAA repair after 12 months was lower in the CR group compared to the non-CR group (0% vs. 28%, respectively). CR in patients with small AAA significantly suppressed AAA expansion and resulted in a lowered risk of AAA repair.Clinical trial Trial name: The study of the profitability and protective effect of cardiac rehabilitation on abdominal aortic aneurysm. Number: UMIN000028237. UTL: https://upload.umin.ac.jp/cgi-open-bin/ctr_e/ctr_view.cgi?recptno=R0000323.
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12
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Aune D, Schlesinger S, Norat T, Riboli E. Tobacco smoking and the risk of abdominal aortic aneurysm: a systematic review and meta-analysis of prospective studies. Sci Rep 2018; 8:14786. [PMID: 30283044 PMCID: PMC6170425 DOI: 10.1038/s41598-018-32100-2] [Citation(s) in RCA: 50] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2017] [Accepted: 08/23/2018] [Indexed: 12/14/2022] Open
Abstract
Several studies have found that smoking increases the risk of abdominal aortic aneurysm, however, the strength of the association has differed between studies and data from cohort studies have not yet been summarized. A systematic review and meta-analysis was therefore conducted to clarify this association. We searched PubMed and Embase databases up to May 2nd 2018. A random effects model was used to estimate summary relative risks (RRs) and 95% confidence intervals (CIs). Twenty three prospective studies were included. Comparing current, former and ever smokers with never smokers the summary RRs were 4.87 (95% CI: 3.93-6.02, I2 = 92%, n = 20), 2.10 (95% CI: 1.76-2.50, I2 = 71%, n = 15) and 3.28 (95% CI: 2.60-4.15, I2 = 96%, n = 18), respectively. The summary RR was 1.87 (95% CI: 1.45-2.40, I2 = 97%) per 10 cigarettes per day, 1.78 (95% CI: 1.54-2.06, I2 = 83%) per 10 pack-years was and 0.45 (95% CI: 0.32-0.63, I2 = 92.3%) per 10 years of smoking cessation. There was evidence of nonlinearity for cigarettes per day and pack-years (pnonlinearity < 0.0001 and pnonlinearity = 0.02, respectively), but not for smoking cessation, pnonlinearity = 0.85. Among smokers who quit, the RR was similar to that of never smokers by 25 years of smoking cessation. These findings confirm a strong association between smoking and the risk of developing abdominal aortic aneurysms.
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Affiliation(s)
- Dagfinn Aune
- Department of Epidemiology and Biostatistics, School of Public Health, Imperial College London, London, United Kingdom.
- Department of Endocrinology, Morbid Obesity and Preventive Medicine, Oslo University Hospital, Oslo, Norway.
- Department of Nutrition, Bjørknes University College, Oslo, Norway.
| | - Sabrina Schlesinger
- Institute for Biometry and Epidemiology, German Diabetes Center, Leibniz Institute for Diabetes Research at the Heinrich-Heine-University Düsseldorf, Düsseldorf, Germany
| | - Teresa Norat
- Department of Epidemiology and Biostatistics, School of Public Health, Imperial College London, London, United Kingdom
| | - Elio Riboli
- Department of Epidemiology and Biostatistics, School of Public Health, Imperial College London, London, United Kingdom
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Groeneveld ME, Meekel JP, Rubinstein SM, Merkestein LR, Tangelder GJ, Wisselink W, Truijers M, Yeung KK. Systematic Review of Circulating, Biomechanical, and Genetic Markers for the Prediction of Abdominal Aortic Aneurysm Growth and Rupture. J Am Heart Assoc 2018; 7:JAHA.117.007791. [PMID: 29960996 PMCID: PMC6064909 DOI: 10.1161/jaha.117.007791] [Citation(s) in RCA: 36] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Abstract
BACKGROUND The natural course of abdominal aortic aneurysms (AAA) is growth and rupture if left untreated. Numerous markers have been investigated; however, none are broadly acknowledged. Our aim was to identify potential prognostic markers for AAA growth and rupture. METHODS AND RESULTS Potential circulating, biomechanical, and genetic markers were studied. A comprehensive search was conducted in PubMed, Embase, and Cochrane Library in February 2017, following Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) guidelines. Study selection, data extraction, and methodological quality assessment were conducted by 2 independent researchers. Plausibility of markers was based on the amount of publications regarding the marker (more than 3), pooled sample size (more than 100), bias risk and statistical significance of the studies. Eighty-two studies were included, which examined circulating (n=40), biomechanical (n=27), and genetic markers (n=7) and combinations of markers (n=8). Factors with an increased expansion risk included: AAA diameter (9 studies; n=1938; low bias risk), chlamydophila pneumonia (4 studies; n=311; medium bias risk), S-elastin peptides (3 studies; n=205; medium bias risk), fluorodeoxyglucose uptake (3 studies; n=104; medium bias risk), and intraluminal thrombus size (5 studies; n=758; medium bias risk). Factors with an increased rupture risk rupture included: peak wall stress (9 studies; n=579; medium bias risk) and AAA diameter (8 studies; n=354; medium bias risk). No meta-analysis was conducted because of clinical and methodological heterogeneity. CONCLUSIONS We identified 5 potential markers with a prognostic value for AAA growth and 2 for rupture. While interpreting these data, one must realize that conclusions are based on small sample sizes and clinical and methodological heterogeneity. Prospective and methodological consonant studies are strongly urged to further study these potential markers.
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Affiliation(s)
- Menno E Groeneveld
- Department of Vascular Surgery, Amsterdam Cardiovascular Sciences (ACS), VU University Medical Center (VUmc), Amsterdam, The Netherlands.,Department of Physiology, Amsterdam Cardiovascular Sciences (ACS), VU University Medical Center (VUmc), Amsterdam, The Netherlands
| | - Jorn P Meekel
- Department of Vascular Surgery, Amsterdam Cardiovascular Sciences (ACS), VU University Medical Center (VUmc), Amsterdam, The Netherlands.,Department of Physiology, Amsterdam Cardiovascular Sciences (ACS), VU University Medical Center (VUmc), Amsterdam, The Netherlands
| | - Sidney M Rubinstein
- Department of Health Sciences and Amsterdam Public Health research institute, VU University, Amsterdam, The Netherlands
| | - Lisanne R Merkestein
- Department of Vascular Surgery, Amsterdam Cardiovascular Sciences (ACS), VU University Medical Center (VUmc), Amsterdam, The Netherlands
| | - Geert Jan Tangelder
- Department of Physiology, Amsterdam Cardiovascular Sciences (ACS), VU University Medical Center (VUmc), Amsterdam, The Netherlands
| | - Willem Wisselink
- Department of Vascular Surgery, Amsterdam Cardiovascular Sciences (ACS), VU University Medical Center (VUmc), Amsterdam, The Netherlands
| | - Maarten Truijers
- Department of Vascular Surgery, Amsterdam Cardiovascular Sciences (ACS), VU University Medical Center (VUmc), Amsterdam, The Netherlands
| | - Kak Khee Yeung
- Department of Vascular Surgery, Amsterdam Cardiovascular Sciences (ACS), VU University Medical Center (VUmc), Amsterdam, The Netherlands .,Department of Physiology, Amsterdam Cardiovascular Sciences (ACS), VU University Medical Center (VUmc), Amsterdam, The Netherlands
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Is there a role for biomarkers in thoracic aortic aneurysm disease? Gen Thorac Cardiovasc Surg 2017; 67:12-19. [PMID: 29080094 DOI: 10.1007/s11748-017-0855-0] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2017] [Accepted: 10/13/2017] [Indexed: 12/22/2022]
Abstract
Thoracic aortic aneurysm (TAA) represents a major cause of mortality and morbidity in Western countries. The natural history of TAA is indolent, with patients usually being asymptomatic until a catastrophic event such as rupture or dissection ensues. As such, early diagnosis is crucial and the search is ongoing for a biomarker that can indicate the presence of TAA with sufficient accuracy to act as a screening tool. To date, no such marker has been developed for the diagnosis of non-familial or 'sporadic' TAA. However, our increased understanding of the pathogenesis of both familial and sporadic TAA has suggested potential candidates for diagnostic biomarkers. Many markers/pathways have been shown to have differential activity levels or expression in the aortic tissue of TAA. However, priority is given to markers that have shown differential levels in blood plasma, as blood tests represent the easiest route for mass screening for TAA. This review aims to evaluate the efficacy of clinical tests already in use in diagnosing TAA, explore novel proposed biomarkers and identify key areas of future interest.
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Lahoz C, Gracia CE, García LR, Montoya SB, Hernando ÁB, Heredero ÁF, Tembra MS, Velasco MB, Guijarro C, Ruiz EB, Pintó X, de Ceniga MV, Moñux Ducajú G. [Not Available]. CLINICA E INVESTIGACION EN ARTERIOSCLEROSIS : PUBLICACION OFICIAL DE LA SOCIEDAD ESPANOLA DE ARTERIOSCLEROSIS 2016; 28 Suppl 1:1-49. [PMID: 27107212 DOI: 10.1016/s0214-9168(16)30026-2] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/05/2023]
Affiliation(s)
- Carlos Lahoz
- Unidad de Lípidos y Riesgo Vascular, Servicio de Medicina Interna, Hospital Carlos III, Madrid, España.
| | - Carlos Esteban Gracia
- Servicio de Angiología y Cirugía Vascular, Hospital Universitari Germans Trias i Pujol, Badalona, Barcelona, España
| | | | - Sergi Bellmunt Montoya
- Servicio de Angiología y Cirugía Vascular, Hospital de la Santa Creu i Sant Pau, Barcelona, España
| | - Ángel Brea Hernando
- Unidad de Lípidos, Servicio de Medicina Interna, Hospital San Pedro, Logroño, España
| | | | - Manuel Suárez Tembra
- Unidad de Lípidos y Riesgo Cardiovascular, Servicio de Medicina Interna, Hospital San Rafael, A Coruña, España
| | - Marta Botas Velasco
- Servicio de Angiología y Cirugía Vascular, Hospital de Cabueñes, Gijón, España
| | - Carlos Guijarro
- Consulta de Riesgo Vascular, Unidad de Medicina Interna, Hospital Universitario Fundación Alcorcón, Alcorcón, Madrid, España
| | - Esther Bravo Ruiz
- Servicio de Angiología y Cirugía Vascular, Hospital Universitario de Basurto, Bilbao, España
| | - Xavier Pintó
- Unidad de Riesgo Vascular, Servicio de Medicina Interna, Hospital Universitario de Bellvitge, L' Hospitalet de Llobregat, Barcelona, España
| | - Melina Vega de Ceniga
- Servicio de Angiología y Cirugía Vascular, Hospital de Galdakao-Usansolo, Vizcaya, España
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Wanhainen A, Mani K, Golledge J. Surrogate Markers of Abdominal Aortic Aneurysm Progression. Arterioscler Thromb Vasc Biol 2016; 36:236-44. [DOI: 10.1161/atvbaha.115.306538] [Citation(s) in RCA: 49] [Impact Index Per Article: 6.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2015] [Accepted: 12/14/2015] [Indexed: 12/25/2022]
Abstract
The natural course of many abdominal aortic aneurysms (AAA) is to gradually expand and eventually rupture and monitoring the disease progression is essential to their management. In this publication, we review surrogate markers of AAA progression. AAA diameter remains the most widely used and important marker of AAA growth. Standardized reporting of reproducible methods of measuring AAA diameter is essential. Newer imaging assessments, such as volume measurements, biomechanical analyses, and functional and molecular imaging, as well as circulating biomarkers, have potential to add important information about AAA progression. Currently, however, there is insufficient evidence to recommend their routine use in clinical practice.
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Affiliation(s)
- Anders Wanhainen
- From the Department of Surgical Sciences, Section of Vascular Surgery, Uppsala University, Uppsala, Sweden (A.W., K.M.); The Vascular Biology Unit, Queensland Research Centre for Peripheral Vascular Disease, College of Medicine and Dentistry, James Cook University, Townsville, Queensland, Australia (J.G.); and Department of Vascular and Endovascular Surgery, The Townsville Hospital, Townsville, Queensland, Australia (J.G.)
| | - Kevin Mani
- From the Department of Surgical Sciences, Section of Vascular Surgery, Uppsala University, Uppsala, Sweden (A.W., K.M.); The Vascular Biology Unit, Queensland Research Centre for Peripheral Vascular Disease, College of Medicine and Dentistry, James Cook University, Townsville, Queensland, Australia (J.G.); and Department of Vascular and Endovascular Surgery, The Townsville Hospital, Townsville, Queensland, Australia (J.G.)
| | - Jonathan Golledge
- From the Department of Surgical Sciences, Section of Vascular Surgery, Uppsala University, Uppsala, Sweden (A.W., K.M.); The Vascular Biology Unit, Queensland Research Centre for Peripheral Vascular Disease, College of Medicine and Dentistry, James Cook University, Townsville, Queensland, Australia (J.G.); and Department of Vascular and Endovascular Surgery, The Townsville Hospital, Townsville, Queensland, Australia (J.G.)
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Deeg MA, Meijer CA, Chan LS, Shen L, Lindeman JHN. Prognostic and predictive biomarkers of abdominal aortic aneurysm growth rate. Curr Med Res Opin 2016; 32:509-17. [PMID: 26636178 DOI: 10.1185/03007995.2015.1128406] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Abstract
OBJECTIVES To test the utility of clinical and circulating biomarkers to predict abdominal aortic aneurysm (AAA) growth rate and response to doxycycline therapy. METHODS Plasma samples were obtained in the Pharmaceutical Aneurysm Stabilization Trial that tested the effect of doxycycline (n = 44) vs. placebo (n = 49) in patients with a 35-50 mm AAA. Approximately 200 biomarkers were evaluated in a candidate approach that included markers of matrix turnover and cathepsin S activity and a broad-based approach of predominantly inflammation-related and clinical biomarkers. RESULTS In a recursive partitioning based analysis, total cholesterol, baseline AAA size, and apolipoprotein B were prognostic of AAA growth in the placebo group whereas elastin and biglycan degradation products were predictive of AAA growth with doxycycline treatment. Univariate analysis of these biomarkers showed that baseline total cholesterol (r = 0.38, unadjusted P = 0.011), apolipoprotein B (r = 0.41, unadjusted P = 0.005), and baseline AAA size (r = 0.35, unadjusted P = 0.013) correlated with AAA growth in the placebo but not the doxycycline group. Elastin fragments were associated with 18 month AAA growth (r = 0.33, unadjusted P = 0.031) in the doxycycline group. LIMITATIONS Limitations of this study include small sample size, a retrospective growth analysis, and translatability of the method used to measure the analytes. CONCLUSIONS This study implies that total cholesterol, baseline AAA size, and apolipoprotein B are predictors of AAA growth. Levels of elastin and biglycan fragments are predictive of doxycycline effects on AAA growth and provide a clue towards this unexpected negative effect.
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Affiliation(s)
- Mark A Deeg
- a a Lilly Research Laboratories, Eli Lilly & Co. , Indianapolis , IN , USA
| | - C Arnoud Meijer
- b b Department of Vascular Surgery , Leiden University Medical Center , Leiden , The Netherlands
| | - Lai Shan Chan
- a a Lilly Research Laboratories, Eli Lilly & Co. , Indianapolis , IN , USA
| | - Lei Shen
- a a Lilly Research Laboratories, Eli Lilly & Co. , Indianapolis , IN , USA
| | - Jan H N Lindeman
- b b Department of Vascular Surgery , Leiden University Medical Center , Leiden , The Netherlands
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18
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Activity of thrombin-activatable fibrinolysis inhibitor in the plasma of patients with abdominal aortic aneurysm. Blood Coagul Fibrinolysis 2014; 25:226-31. [DOI: 10.1097/mbc.0000000000000028] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
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Abstract
Thoracic aortic aneurysm (TAA) is a silent disease, often discovered at a time point that dramatic complications, as rupture and dissection, occur. For the detection of asymptomatic TAA and prevention of such complications, it is essential to have an adequate screening tool. Until now, routine laboratory blood tests have played only a minor role in the screening, diagnosis, tracking and prediction of the natural history of TAAs. However, the knowledge about biomarkers is rapidly expanding in the cardiovascular field, and there are several potential biomarkers that might be implemented into TAA clinical practice in the near future. The most important and promising markers for TAA will be discussed in this overview.
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20
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Norman PE, Curci JA. Understanding the effects of tobacco smoke on the pathogenesis of aortic aneurysm. Arterioscler Thromb Vasc Biol 2013; 33:1473-7. [PMID: 23685557 DOI: 10.1161/atvbaha.112.300158] [Citation(s) in RCA: 82] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
Abstract
Aneurysmal arterial disease is a vascular degenerative condition that is distinct from atherosclerotic and other occlusive arterial diseases. There is regionalization of the predisposition to aneurysm formation within the vascular tree, and the pathological process varies with location. Infrarenal abdominal aortic aneurysm (AAA) is the most common manifestation of aneurysmal disease, and smoking is the dominant risk factor. Smoking is a much greater risk factor for AAA than for atherosclerosis. In addition to playing a role in the pathogenesis of AAA, smoking also increases the rate of expansion and risk of rupture of established AAA. The mechanistic relationship between AAA and smoking is being established by the use of enhanced animal models that are dependent on smoke or smoke components. The mechanisms seem to involve durable alterations in vascular smooth muscle cell and inflammatory cell function. This review examines the clinical, epidemiological, and mechanistic evidence implicating smoking as a cause of aneurysms, focusing on AAA.
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Affiliation(s)
- Paul E Norman
- School of Surgery, University of Western Australia, Fremantle, Australia.
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21
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Abstract
PURPOSE OF REVIEW To review the current state of diagnosis, treatment, and outcomes of the different types of endoleaks after endovascular abdominal aortic aneurysm repair (endovascular aneurysm repair, EVAR). RECENT FINDINGS Endoleaks are the most frequent complication after EVAR, the most common indication for secondary interventions, and the most common cause of rupture after EVAR. Imaging is critical for detecting endoleaks. Type I and III endoleaks require urgent intervention to prevent aneurysm rupture. Intervention for other endoleaks or endotension is indicated if the aneurysm sac continues to grow during follow-up. The majority of endoleaks can be treated with endovascular techniques. Open surgical conversion may be considered if the risk of aneurysm rupture is high and if no endovascular options are available or if they have failed. SUMMARY Endoleaks continue to be a challenge and this article discusses the different treatment options for endoleaks after EVAR. Long-term follow-up after EVAR is required to diagnose and treat endoleaks before they result in aneurysm rupture. The majority of endoleaks can be treated with endovascular techniques, although open surgical interventions may be required in selected patients.
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Silaghi H, Branchereau A, Malikov S, Andercou A. Management of small asymptomatic abdominal aortic aneurysms - a review. Int J Angiol 2012; 16:121-7. [PMID: 22477326 DOI: 10.1055/s-0031-1278264] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/14/2022] Open
Abstract
The approach for abdominal aortic aneurysms (AAAs) larger than 55 mm is well defined due to the risk of rupture being higher than 10% per year, and a 30-day perioperative mortality rate between 2.5% and 5%. However, the approach for small asymptomatic AAAs is less well defined.There are different definitions given to describe a small AAA. The one the authors accepted and applied is "a localized, permanent and irreversible dilation of the aorta of at least 50% in relation to the normal adjacent infrarenal or suprarenal aorta, with a maximum diameter between 30-55 mm".The investigators of the largest study on small AAAs (United Kingdom Small Aneurysm Trial [UK-SAT]) concluded, in brief, that ultrasound monitoring is the most appropriate solution because the results do not support a policy of surgical restoration for AAAs with a diameter of between 40 mm and 55 mm.The aim of the present review article is to highlight several challenges that could change the limits or create a more flexible deciding factor in the management of AAAs. There are multiple factors that influence surgical decision-making, and the limit on aneurysm diameter that indicates surgery should depend on the patient's age, life expectancy, general status, associated diseases, diameter in relation to body mass, risk factors, sex, anxiety and compliance during the follow-up period. Monitoring is an acceptable alternative for AAAs between 40 mm and 55 mm, and is probably the best solution for high-risk patients. Surgery is the most reasonable solution for patients who are at moderate risk, have a significant life expectancy, are less than 70 to 75 years of age, and/or have aortic aneurysms larger than 50 mm.
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Affiliation(s)
- H Silaghi
- Surgical Clinic II, UMPh Cluj-Napoca, Cluj-Napoca, Romania
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23
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Koole D, Moll FL, Buth J, Hobo R, Zandvoort H, Pasterkamp G, van Herwaarden JA. The influence of smoking on endovascular abdominal aortic aneurysm repair. J Vasc Surg 2012; 55:1581-6. [PMID: 22325665 DOI: 10.1016/j.jvs.2011.12.018] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2011] [Revised: 12/06/2011] [Accepted: 12/06/2011] [Indexed: 10/14/2022]
Abstract
OBJECTIVE The main purpose of this study was to evaluate the influence of smoking on perioperative outcomes of endovascular aneurysm repair (EVAR), aneurysm sac behavior, abdominal aortic aneurysm (AAA) neck growth after EVAR, and its effect on stent graft migration during follow-up. METHODS Baseline characteristics and follow-up data were collected prospectively by patient record forms. Follow-up visits were scheduled at 1, 3, 6, 12, 18, and 24 months, and annually thereafter and included a clinical examination and imaging studies. Patients were stratified in three groups according to their smoking status as nonsmokers, former smokers, and smokers. RESULTS This study analyzed the data for 4176 nonsmokers, 2406 former smokers, and 2056 smokers who were enrolled prospectively in the European Collaborators on Stent-Graft Techniques for Aortic Aneurysm Repair (EUROSTAR) database. Compared with nonsmokers, smokers required more percutaneous transluminal angioplasty and stent placements during EVAR (P < .001), and stent graft migration occurred more often (hazard ratio, 1.45; 95% confidence interval, 1.03-2.05; P = .033). Nonsmokers had more late type II endoleaks than former smokers and smokers (58.5%, 55.9%, and 35.5%, respectively; P < .001). Smoking had no effect on aneurysm sac behavior or AAA neck growth after EVAR. CONCLUSIONS Smokers need more percutaneous transluminal angioplasty procedures and stents during EVAR. They have fewer late type II endoleaks during follow-up; however, smokers should be closely monitored because they have an increased risk of stent graft migration.
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Affiliation(s)
- Dave Koole
- Department of Vascular Surgery, University Medical Center Utrecht, Utrecht, The Netherlands.
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Rein CM, Cardenas JC, Church FC. The controversial role of the urokinase system in abdominal aortic aneurysm formation and rupture. Arterioscler Thromb Vasc Biol 2012; 31:2769-71. [PMID: 22096092 DOI: 10.1161/atvbaha.111.237123] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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Moll FL, Powell JT, Fraedrich G, Verzini F, Haulon S, Waltham M, van Herwaarden JA, Holt PJE, van Keulen JW, Rantner B, Schlösser FJV, Setacci F, Ricco JB. Management of abdominal aortic aneurysms clinical practice guidelines of the European society for vascular surgery. Eur J Vasc Endovasc Surg 2011; 41 Suppl 1:S1-S58. [PMID: 21215940 DOI: 10.1016/j.ejvs.2010.09.011] [Citation(s) in RCA: 996] [Impact Index Per Article: 76.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2010] [Accepted: 09/12/2010] [Indexed: 12/11/2022]
Affiliation(s)
- F L Moll
- Department of Vascular Surgery, University Medical Center Utrecht, The Netherlands.
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Trimarchi S, Sangiorgi G, Sang X, Rampoldi V, Suzuki T, Eagle KA, Elefteriades JA. In search of blood tests for thoracic aortic diseases. Ann Thorac Surg 2010; 90:1735-42. [PMID: 20971314 DOI: 10.1016/j.athoracsur.2010.04.111] [Citation(s) in RCA: 27] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/19/2010] [Revised: 04/15/2010] [Accepted: 04/16/2010] [Indexed: 10/18/2022]
Abstract
A number of new diagnostic screening tools have been developed for the assessment of acute and chronic diseases of the thoracic aorta. Although standardized blood-based tests capable of detecting individuals at risk for aortic aneurysm and dissection disease are not yet available, our current knowledge is expanding at a rapid rate and the future is very promising. In this review, an update of the contemporary knowledge on blood tests for detecting thoracic aortic diseases in both preclinical and clinical settings is provided, offering the potential to predict adverse aortic events, such as enlargement, rupture, and dissection.
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Affiliation(s)
- Santi Trimarchi
- Policlinico San Donato IRCCS, Cardiovascular Center E. Malan, University of Milano, Milan, Italy.
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Takagi H, Manabe H, Kawai N, Goto SN, Umemoto T. Plasma tissue plasminogen activator and abdominal aortic aneurysm presence: a systematic review and meta-analysis. Ann Vasc Surg 2010; 24:686-9. [PMID: 20409678 DOI: 10.1016/j.avsg.2010.02.005] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2009] [Revised: 09/05/2009] [Accepted: 02/08/2010] [Indexed: 11/17/2022]
Abstract
BACKGROUND To summarize the present evidence for an association between circulating tissue plasminogen activator (tPA) levels and abdominal aortic aneurysm (AAA) presence, we performed a systematic review and meta-analysis of case-control studies that compared plasma tPA levels between patients with AAA and subjects without AAA. METHODS MEDLINE was searched to identify all case-control studies that compared plasma tPA levels between patients with AAA and subjects without AAA. For each study, data regarding plasma tPA levels in both the AAA and control groups were used to generate standardized mean differences and 95% confidence intervals. Study-specific estimates were combined using inverse variance-weighted average of logarithmic standardized mean differences in both fixed- and random-effects models. RESULTS Our search identified five eligible case-control studies, including data on 234 patients with AAA and 459 subjects without AAA. Pooled analysis of the five studies demonstrated nonsignificantly higher plasma tPA levels in the AAA group than those in the control group in fixed-effect models (standardized mean differences = 0.07; 95% confidence interval = -0.09-0.24; p = 0.40). There was minimal study heterogeneity of results (p = 0.05) and no evidence of significant publication bias (p = 0.3272). CONCLUSION The results of our analysis suggest that plasma tPA levels may not be higher in patients with AAA than those in subjects without AAA. Higher plasma tPA levels may not be associated with AAA presence.
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Affiliation(s)
- Hisato Takagi
- Department of Cardiovascular Surgery, Shizuoka Medical Center, Shizuoka, Japan.
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Curci JA. Digging in the "soil" of the aorta to understand the growth of abdominal aortic aneurysms. Vascular 2009; 17 Suppl 1:S21-9. [PMID: 19426606 DOI: 10.2310/6670.2008.00085] [Citation(s) in RCA: 34] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
Abstract
Extensive studies into the etiology of aortic aneurysm disease have focused on the characteristic and unique inflammatory infiltration and elaboration of products of inflammatory cells which can result in matrix degradation. While these changes clearly have a significant impact on the development of aneurysm disease, little attention has been paid to the changes in the parenchymal cells of the aorta. Under normal conditions, the vascular smooth muscle cells which populate the aortic wall are responsible for the maintenance of the matrix components of the media, particularly the elastic fibers. As our understanding of the mechanisms of aneurysm formation and normal arterial anatomy become more sophisticated, it is clear that specific changes to these smooth muscle cells make them active participants in the medial matrix destruction characteristic of aneurysm disease. As others have described for intimal arterial disease, this is the "soil" from which aortic aneurysms grow.
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Affiliation(s)
- John A Curci
- Department of Surgery, Washington University School of Medicine, St. Louis, MO 63110, USA.
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Hellenthal FAMVI, Buurman WA, Wodzig WKWH, Schurink GWH. Biomarkers of abdominal aortic aneurysm progression. Part 2: inflammation. Nat Rev Cardiol 2009; 6:543-52. [PMID: 19546866 DOI: 10.1038/nrcardio.2009.102] [Citation(s) in RCA: 106] [Impact Index Per Article: 7.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
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Nordon I, Brar R, Hinchliffe R, Cockerill G, Loftus I, Thompson M. The role of proteomic research in vascular disease. J Vasc Surg 2009; 49:1602-12. [DOI: 10.1016/j.jvs.2009.02.242] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2008] [Revised: 02/20/2009] [Accepted: 02/28/2009] [Indexed: 12/23/2022]
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Golledge J, Tsao PS, Dalman RL, Norman PE. Circulating markers of abdominal aortic aneurysm presence and progression. Circulation 2008; 118:2382-92. [PMID: 19047592 DOI: 10.1161/circulationaha.108.802074] [Citation(s) in RCA: 187] [Impact Index Per Article: 11.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Affiliation(s)
- Jonathan Golledge
- Vascular Biology Unit, Department of Surgery, School of Medicine, James Cook University, Townsville, Queensland, Australia.
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Urbonavicius S, Urbonaviciene G, Honoré B, Henneberg EW, Vorum H, Lindholt JS. Potential circulating biomarkers for abdominal aortic aneurysm expansion and rupture--a systematic review. Eur J Vasc Endovasc Surg 2008; 36:273-80; discussion 281-2. [PMID: 18639476 DOI: 10.1016/j.ejvs.2008.05.009] [Citation(s) in RCA: 91] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2007] [Accepted: 05/14/2008] [Indexed: 11/29/2022]
Abstract
BACKGROUND The maximal diameter of abdominal aortic aneurysms (AAAs) is the dominating indication for repair. However half of the AAAs repaired would never have ruptured if left unrepaired, although small AAAs occasionally rupture. Earlier surgery may be associated with a lower mortality. More precise indicators for surgery are warranted. This systematic review identifies potential systemic biomarkers for AAA rupture or expansion. METHODS MEDLINE/PubMed and EMBASE (from 1985 trough May 2007) were searched with the medical subject heading abdominal aortic aneurysm and keywords "size", "progression" or "growth" or "expansion rate" or "rupture" on the basis of MESH tree and as a text search restricted to English, German, French and Italian. In addition, reference lists were studied and manual searches performed. Observational studies investigating the association of circulating biomarkers with AAA rupture, expansion or size were selected. DATA EXTRACTION Two reviewers (SU and GU) independently extracted the following data: year of publication, study characteristics, duration of follow-up, circulating biomarker, AAA expansion rate or size or rupture. RESULTS 699 papers were identified. After exclusion of thoracic aneurysms and cardiac studies (n=118), surgical or medical treatment studies (n=179), case reports and animal studies (n=87), as well as reviews or letters (n=66), 249 articles were selected. Also excluded were 230 papers that did not report AAA size, expansion rate or rupture. 39 papers were included. Several potential biomarkers were identified. The strongest association with AAA was obtained with serum elastin peptides (SEP) and plasmin-antiplasmin (PAP) complexes. Matrix-degrading metalloproteinase 9 (MMP9) and interferon-gamma (IFN-gamma) could have clinical potential while many putative biomarkers showed poor association. CONCLUSIONS Several circulating agents in peripheral blood may predict AAA size, expansion rate or rupture. Few of them have clinical potential for future use. Confirmative studies and development of multivariate models are needed, together with continuing search for new biomarkers using the discovery based sciences within proteomics and/or genomics.
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Affiliation(s)
- S Urbonavicius
- Vascular Research Unit, Department of Vascular Surgery, Viborg Hospital, Denmark.
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Kranokpiraksa P, Kaufman JA. Follow-up of Endovascular Aneurysm Repair: Plain Radiography, Ultrasound, CT/CT Angiography, MR Imaging/MR Angiography, or What? J Vasc Interv Radiol 2008; 19:S27-36. [DOI: 10.1016/j.jvir.2008.03.009] [Citation(s) in RCA: 31] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2008] [Revised: 03/07/2008] [Accepted: 03/07/2008] [Indexed: 11/25/2022] Open
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Abstract
There is evidence to suggest that increased levels of homocysteine play a significant role in vascular disease. It has been suggested that lowering homocysteine levels by dietary folate supplementation may reduce the risk of stroke and coronary heart disease. It is plausible that homocysteine may also play a role in the pathogenesis of abdominal aortic aneurysms (AAA) and that patients with this disease may benefit from folate supplementation. Our objective was to review the published work with regard to the role of homocysteine in the pathogenesis of AAA. Searches were carried out in published work in English with the keywords 'abdominal aortic aneurysm' and 'homocysteine'. There is evidence from in vitro and animal model studies that activation of metalloproteinases by homocysteine can influence aortic wall structure. Several case-control studies report an association between increased levels of homocysteine and the presence of an AAA. There are conflicting genotypic data concerning the association between methylenetetrahydrofolate reductase gene variants and AAA. Although there is evidence for an association between homocysteine and AAA, it is not strong enough to conclude that it plays a causal role in the pathogenesis of AAA. Further research is needed, given the potential benefit that simple vitamin supplementation may have for patients with AAA.
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Affiliation(s)
- Paul Moroz
- School of Surgery and Pathology, University of Western Australia, Fremantle Hospital, Perth, Western Australia, Australia
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36
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Wanhainen A, Nilsson TK, Bergqvist D, Boman K, Björck M. Elevated tissue plasminogen activator in patients with screening-detected abdominal aortic aneurysm. J Vasc Surg 2007; 45:1109-13. [PMID: 17543671 DOI: 10.1016/j.jvs.2007.02.001] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2006] [Accepted: 02/04/2007] [Indexed: 11/27/2022]
Abstract
OBJECTIVE A population-based case-control study with historical and current data was conducted in a population with a high prevalence of disease to explore the hypothesis that the fibrinolytic system may be involved in the early pathogenesis of abdominal aortic aneurysm (AAA). METHODS Forty-two patients found to have AAA at population-based screening were compared with 100 controls matched for age and sex. Mass concentration of tissue plasminogen activator (tPA mass) and tissue plasminogen activator/plasminogen activator inhibitor-1 complex (tPA/PAI-1 complex mass) were analyzed in blood samples obtained at the screening (current), and in blood samples obtained from a study conducted 12 years previously on the same population (historical). RESULTS Current tPA mass levels were significantly higher in AAA patients compared with controls (13.6 vs 11.4 microg/L, P=.016). A similar trend was observed in historical tPA mass levels (9.8 vs 8.2 microg/L, P=.062). Current and historical mass concentrations of tPA/PAI complex in AAA patients were similar to those in controls. Current tPA mass levels retained the associations with AAA in a logistic regression model after adjustment for history of atherosclerosis (odds ratio [OR], 1.1 per microg/L, P=.039) and current smoking (OR 1.1 per microg/L, P=.039). When family history of AAA was added in a logistic regression model, the OR for current tPA mass was 1.1 per microg/L (P=.056) and 1.1 per microg/L (P=.070) when treated hypertension was added. CONCLUSION The finding of elevated tPA mass, in contrast to tPA/PAI-1 complex, in plasma among patients with screening-detected AAA supports the hypothesis that the fibrinolytic system may be important in the early pathogenesis of AAA.
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Affiliation(s)
- Anders Wanhainen
- Department of Surgical Sciences, Section of Vascular Surgery, Uppsala University Hospital, Uppsala, Sweden.
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Han MY. Polymorphism in the promoter region of the plasminogen activator inhibitor-1 (PAI-1) gene in Kawasaki disease. KOREAN JOURNAL OF PEDIATRICS 2007. [DOI: 10.3345/kjp.2007.50.6.570] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
Affiliation(s)
- Mi Young Han
- Department of Pediatrics, College of Medicine, Kyunghee University, Seoul, Korea
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Abstract
Cigarette smoking is a major vascular risk factor and in this context, it is an independent risk factor for the development of aortic disease, especially the formation and growth of abdominal aortic aneurysms (AAA). Medline was searched up to January 31, 2007 for the relevant literature for this review of the mechanisms by which smoking causes aortic wall damage and its subsequent impact on the clinical manifestation of this process. Idiopathic AAAs and aortic dissection are considered, as well as other aortic diseases (eg, Takayasu, Kawasaki, Behcet and Buerger). There is evidence suggesting an abnormal homeostasis between proteolytic and antiproteolytic activity in the vascular wall during the development of AAAs, and these mechanisms can be influenced by smoking. Smoking cessation plays an important role in the management of aortic disease.
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Affiliation(s)
- A I Kakafika
- Department of Clinical Biochemistry, Royal Free Hospital, Royal Free and University College Medical School, London, UK
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Halazun KJ, Bofkin KA, Asthana S, Evans C, Henderson M, Spark JI. Hyperhomocysteinaemia is associated with the rate of abdominal aortic aneurysm expansion. Eur J Vasc Endovasc Surg 2006; 33:391-4; discussion 395-6. [PMID: 17164089 DOI: 10.1016/j.ejvs.2006.10.022] [Citation(s) in RCA: 29] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2006] [Accepted: 10/08/2006] [Indexed: 11/21/2022]
Abstract
OBJECTIVES Previous literature has suggested an association between AAA and the presence of elevated plasma homocysteine levels (HCY). Homocysteine can stimulate elastolysis in the arterial media via activation of elastase and matrix metalloproteinases. No evidence in the literature exists correlating aneurysm expansion and HCY. The study objective is to identify whether the rate of AAA expansion is related to HCY. METHODS 108 patients undergoing surveillance for AAA were identified at our vascular surgical unit. AAA size and growth rate were assessed by serial ultrasonographic measurements. Fasting total HCY levels were measured using fluorescence polarisation immunoassays. Demographic details and atherosclerotic risk factors were noted all AAA patients. A multivariate analysis was performed for growth rate vs. HCY, hypertension and hypercholesterolaemia. The correlation between AAA growth rate, AAA size and HCY levels were calculated. RESULTS 60% of patients with AAA had some degree of hyperhomocysteinaemia (> 15 micromol/l). Multivariate analysis showed HCY to be the only significant factor affecting AAA growth rate. A positive correlation was demonstrated between HCY levels and AAA growth rate using a linear regression model (R=0.28, p=0.003). Median growth rate among patients with hyperHCY was double that of patients with normal HCY (0.5 mm/month vs. 0.25 mm/month, p=0.003). A growth rate of > 10 mm/year was seen in 25% of hyper HCY patients and in only 2% of patients with normal HCY. In addition patients with hyper HCY and larger AAAs (> 4 cm) had a growth rate twice as fast as patients with hyper HCY and AAAs < 4 cm. CONCLUSIONS A correlation between HCY and growth rate exists, although this is weak due to the multifactorial aetiology of AAAs. HyperHCY patients have faster expansion rates than patients with normal HCY, with significant numbers demonstrating rapid expansion (> 10 mm/year) and therefore an increased risk of rupture.
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Affiliation(s)
- K J Halazun
- Leeds Vascular Institute, Leeds General Infirmary, Leeds, West Yorkshire, UK.
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Lindholt JS. Activators of Plasminogen and the Progression of Small Abdominal Aortic Aneurysms. Ann N Y Acad Sci 2006; 1085:139-50. [PMID: 17182930 DOI: 10.1196/annals.1383.023] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Abstract
The aim of this study was to examine the role of activating pathways of plasminogen in the natural history of abdominal aortic aneurysms (AAA). To fulfill this objective 70 male patients with small AAA (> 3 cm) were interviewed and examined. Their blood samples were taken at diagnosis. The patients were scanned annually for a minimum period of 1 year and a maximum of 5 years (mean 2.5 years), and referred for surgery if the AAA exceeded 5 cm in diameter. Plasma levels of urokinase-like plasminogen activator (uPA), tissue-type plasminogen activator (tPA), plasminogen-activator-inhibitor-1 (PAI-1), macrophage-inhibiting factor (MIF), transforming-growth-factor-beta1 (TGF-beta1), homocysteine, and serum levels of IgA-antibodies against Chlamydia pneumoniae (IgA-CP) and cotinine (a nicotine metabolite) were measured. The annual expansion rate correlated positively with tPA, IgA-CP, and S-cotinine; rho = 0.37 (P = 0.004), 0.28 (P = 0.01), and 0.24 (P = 0.04), while PAI-1, uPA, TGF-beta1, homocysteine, and MIF did not. S-cotinine and PAI-1 also correlated positively with tPA, rho = 0.24 (P = 0.04), and 0.33 (P = 0.005). IgA-CP did not correlate with tPA. By receiver operating characteristics (ROC) curve analysis, tPA showed to be predictive of cases expanding to above 5 cm within the first 5 years with an optimal sensitivity and specificity of 0.73 and 0.71, respectively (P = 0.015). The aortic matrix degradation in AAA may be partly caused by an activation of plasminogen by tPA, but not by uPA, which usually dominates matrix degradation. Smoking seems to be an important factor for this pathway, while the pathway of IgA-CP seems different.
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Affiliation(s)
- Jes S Lindholt
- Department of Vascular Surgery, Viborg Hospital, Denmark.
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Golledge J, Muller J, Daugherty A, Norman P. Abdominal aortic aneurysm: pathogenesis and implications for management. Arterioscler Thromb Vasc Biol 2006; 26:2605-13. [PMID: 16973970 DOI: 10.1161/01.atv.0000245819.32762.cb] [Citation(s) in RCA: 442] [Impact Index Per Article: 24.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Abdominal aortic aneurysm (AAA) affects approximately 5% of elderly men and is responsible for a significant number of deaths in Western Countries. At present surgery by open or endovascular means is the only widely used therapy for this condition. In this review we examine the risk factors, serum, and genetic associations of AAA. Epidemiology studies suggest that smoking cessation and control of cholesterol and blood pressure should reduce the number of patients developing AAA. Natural history studies suggest that smoking cessation should reduce the rate of progression of AAA. Clear level 1 evidence for drug treatments of AAA are presently lacking; however, animal and human in vitro studies suggest that medication targeted at reducing inflammation and proteolysis are most likely to be beneficial, with limited data to support the use of statins, Angiotensin II inhibitors, and macrolides. Work has commenced in understanding which patients, identified by clinical, serum, and genotype, are more at risk of AAA progression and thus should be selected out for aggressive treatment. Well designed large multicenter randomized controlled trials are required to examine the medical treatment of AAA.
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Affiliation(s)
- Jonathan Golledge
- The Vascular Biology Unit, School of Medicine, James Cook University, Townsville, Queensland 4811, Australia.
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Abstract
Smoking causes up to 11% of total global cardiovascular deaths. Smoking has numerous effects that may promote atherosclerosis through vascular inflammation and oxidative stress, but the pathogenesis of smoking-related cardiovascular disease remains incompletely understood. The matrix metalloproteinases, a family of endopeptidases that can degrade extracellular matrix components in both physiological and pathophysiological states, play an important role in smoking-associated chronic obstructive pulmonary disease, the second leading cause of smoking attributable mortality. Emerging evidence indicates that the matrix metalloproteinases may also contribute to smoking-related vascular disease. Here we discuss the potential relationship between smoking, matrix metalloproteinases, and acceleration of vascular disease.
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Affiliation(s)
- Todd S Perlstein
- Division of Cardiovascular Medicine, Department of Medicine, Brigham and Women's Hospital, Harvard Medical School, Cambridge, MA, USA
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Buduneli N, Buduneli E, Kardeşler L, Lappin D, Kinane DF. Plasminogen activator system in smokers and non-smokers with and without periodontal disease. J Clin Periodontol 2005; 32:417-24. [PMID: 15811061 DOI: 10.1111/j.1600-051x.2005.00694.x] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
BACKGROUND The present study assessed levels of plasminogen activator (PA) system proteins in gingival crevicular fluid (GCF) and serum of chronic gingivitis, chronic periodontitis patients and periodontally healthy subjects and evaluated how smoking influenced these levels. METHODS Twenty chronic gingivitis; 20 chronic periodontitis patients and 20 periodontally healthy volunteers were consecutively recruited according to the inclusion criteria so that exactly half of the subjects in each category were smokers. GCF samples from four sites together with serum samples were obtained from each subject. GCF levels of tissue type PA (t-PA), urokinase type PA (u-PA), PA inhibitor-1 (PAI-1) and PA inhibitor-2 (PAI-2) and serum concentrations of cotinine, u-PA and PAI-1 were analysed by enzyme-linked immunosorbent assay. RESULTS The only statistically significant difference between smokers and non-smokers was a lower GCF PAI-2 concentrations in healthy smokers compared with healthy non-smokers (p<0.01). Gingivitis and periodontitis patients had higher GCF concentrations of PAI-2 than healthy subjects (p<0.002 and p<0.02 respectively). The ratio of u-PA:PAI-1 and t-PA:PAI-1 were significantly higher in GCF of smokers with periodontitis compared with "healthy" smokers, whereas the ratio of t-PA:PAI-2 was significantly lower in smokers with periodontal disease (p<0.05). CONCLUSIONS GCF levels of the PA system proteins are increased in chronic gingivitis and periodontitis compared with healthy gingiva. Smoking had only subtle effects on the GCF PA system proteins with the exception of PAI-2, and the balance of activators and inhibitors. These findings suggest one mechanism whereby smoking may exert detrimental effects on the periodontal tissues.
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Affiliation(s)
- Nurcan Buduneli
- Department of Periodontology, School of Dentistry, Ege University, Izmir, Turkey.
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Cheuk BLY, Ting ACW, Cheng SWK. Detection of C. pneumoniae by polymerase chain reaction-enzyme immunoassay in abdominal aortic aneurysm walls and its association with rupture. Eur J Vasc Endovasc Surg 2005; 29:150-5. [PMID: 15649721 DOI: 10.1016/j.ejvs.2004.10.010] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 10/28/2004] [Indexed: 11/23/2022]
Abstract
OBJECTIVE Serological studies have suggested that one of the risk factors for aneurysm development is C. pneumoniae infection. The purpose of this study was to evaluate whether there is an association between the presence of C. pneumoniae DNA in aneurysms and ruptured abdominal aortic aneurysms. METHODS Aortic walls were collected consecutively from 30 patients with intact AAA, 16 patients with ruptured AAA and 19 healthy organ donors (control). Purified DNAs from all aortas were analyzed for the presence of C. pneumoniae DNA in parallel by polymerase chain reaction-enzyme immunoassay (PCR-EIA) and agarose gel electrophoresis. PCR-EIA has a high sensitivity in detecting low DNA copy number in clinical atherosclerotic samples. RESULTS C. pneumoniae DNA was detected more frequently in patients with aneurysms, particular with ruptured aneurysms. The incidence of positive C. pneumoniae DNA was 73.3% in intact AAA and 10.5% in control aortas, with the highest frequency in ruptured AAA (100%) (p < 0.05). CONCLUSION Giving the high specificity and sensitivity of PCR-EIA, these findings support the association of C. pneumoniae in the pathogenesis of aneurysm development, growth and rupture.
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Affiliation(s)
- B L Y Cheuk
- Department of Surgery, University of Hong Kong Medical Centre, Queen Mary Hospital, Hong Kong, China
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Wang YL, Pan CE, Yang PL, Tian Y, Pei SW, Dong M. Effects of Antiadhesion preparation on free fibrinogen and fibrin degrading products in abdominal exudates of rabbits postoperatively. World J Gastroenterol 2004; 10:2762-6. [PMID: 15309738 PMCID: PMC4572212 DOI: 10.3748/wjg.v10.i18.2762] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/15/2022] Open
Abstract
AIM: To observe effects of ACOL on fibrinogen (FIB), fibrin degrading products (FDP) and changes of FIB and FDP concentration in rabbits with intro-abdominal exudates during 7 d after major abdominal surgery.
METHODS: Sixty New Zealand rabbits were randomly divided into 4 groups: ACOL group, the control group, DCT group and the normal group. After being modeled, except the normal group, the other 3 groups were treated with different ways for a week; the intro-abdominal exudates of rabbits in the 4 groups were drawn for FIB and FDP measurement once daily during 7 d after major abdominal surgery.
RESULTS: FIB and FDP in the intro-abdominal exudates altered in a regular way and ACOL could change the concentration of FIB and FDP in the intra-abdominal exudates after major abdominal surgery.
CONCLUSION: ACOL can prevent intestinal adhesion by reducing the concentration of FIB and raising that of FDP in the intro-abdominal exudates after major abdominal surgery.
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Affiliation(s)
- You-Li Wang
- Department of Hepatobiliary Surgery, Xi'an Jiaotong University First Hospital, Xi'an 710061, Shaanxi Providence, China.
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Ramsby ML. Zymographic Evaluation of Plasminogen Activators and Plasminogen Activator Inhibitors. Adv Clin Chem 2004; 38:111-33. [PMID: 15521190 DOI: 10.1016/s0065-2423(04)38004-2] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
Affiliation(s)
- Melinda L Ramsby
- Division of Rheumatology, School of Medicine, University of Connecticut Health Center, Farmington, Connecticut 06030, USA
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