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Busuioc R, Ștefan G, Stancu S, Zugravu A, Mircescu G. Nephrotic Syndrome and Statin Therapy: An Outcome Analysis. Medicina (B Aires) 2023; 59:medicina59030512. [PMID: 36984513 PMCID: PMC10054350 DOI: 10.3390/medicina59030512] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2023] [Revised: 02/23/2023] [Accepted: 03/03/2023] [Indexed: 03/08/2023] Open
Abstract
Background and Objectives: Hypercholesterolemia in patients with nephrotic syndrome (NS) may predispose to cardiovascular events and alter kidney function. We aimed to evaluate statins efficiency in NS patients under immunosuppression using four endpoints: remission rate (RR), end-stage kidney disease (ESKD), major cardiovascular events (MACE), and thrombotic complications (VTE). Materials and Methods: We retrospectively examined the outcome at 24 months after diagnosis of 154 NS patients (age 53 (39–64) years, 64% male, estimated glomerular filtration rate (eGFR) 61.9 (45.2–81.0) mL/min). During the follow-up, the lipid profile was evaluated at 6 months and at 1 and 2 years. Results: The median cholesterol level was 319 mg/dL, and 83% of the patients received statins. Patients without statins (17%) had similar age, body mass index, comorbidities, blood lipids levels, NS severity, and kidney function. The most used statin was simvastatin (41%), followed by rosuvastatin (32%) and atorvastatin (27%). Overall, 79% of the patients reached a form of remission, 5% reached ESKD, 8% suffered MACE, and 11% had VTE. The mean time to VTE was longer in the statin group (22.6 (95%CI 21.7, 23.6) versus 20.0 (95%CI 16.5, 23.5) months, p 0.02). In multivariate analysis, statin therapy was not associated with better RR, kidney survival, or fewer MACE; however, the rate of VTE was lower in patients on statins (HR 2.83 (95%CI 1.02, 7.84)). Conclusions: Statins did not improve the remission rate and did not reduce the risk of MACE or ESKD in non-diabetic nephrotic patients. However, statins seemed to reduce the risk of VTE. Further randomized controlled studies are needed to establish statins’ role in NS management.
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Affiliation(s)
- Ruxandra Busuioc
- Nephrology Department, University of Medicine and Pharmacy “Carol Davila”, 050474 Bucharest, Romania
- Nephrology Department, “Dr Carol Davila” Teaching Hospital of Nephrology, 010731 Bucharest, Romania
| | - Gabriel Ștefan
- Nephrology Department, University of Medicine and Pharmacy “Carol Davila”, 050474 Bucharest, Romania
- Nephrology Department, “Dr Carol Davila” Teaching Hospital of Nephrology, 010731 Bucharest, Romania
- Correspondence:
| | - Simona Stancu
- Nephrology Department, University of Medicine and Pharmacy “Carol Davila”, 050474 Bucharest, Romania
- Nephrology Department, “Dr Carol Davila” Teaching Hospital of Nephrology, 010731 Bucharest, Romania
| | - Adrian Zugravu
- Nephrology Department, University of Medicine and Pharmacy “Carol Davila”, 050474 Bucharest, Romania
- Nephrology Department, “Dr Carol Davila” Teaching Hospital of Nephrology, 010731 Bucharest, Romania
| | - Gabriel Mircescu
- Nephrology Department, University of Medicine and Pharmacy “Carol Davila”, 050474 Bucharest, Romania
- Nephrology Department, “Dr Carol Davila” Teaching Hospital of Nephrology, 010731 Bucharest, Romania
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Pleiotropic Effects of PCSK9: Focus on Thrombosis and Haemostasis. Metabolites 2022; 12:metabo12030226. [PMID: 35323669 PMCID: PMC8950753 DOI: 10.3390/metabo12030226] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2022] [Revised: 02/21/2022] [Accepted: 02/28/2022] [Indexed: 12/21/2022] Open
Abstract
The proprotein convertase subtilisin/keying 9 (PCSK9) is a serine protease that has gained importance in recent years as a drug target, mainly due to its effect on cholesterol metabolism in promoting the degradation of the low-density lipoprotein receptor (LDLR). However, this protease may also play an important role in lipid-independent reactions, including the process of thrombogenesis. Considering this, we reviewed the effects and implications of PCSK9 on platelet function and blood coagulation. PCSK9 knockout mice exhibited reduced platelet activity and developed less agonist-induced arterial thrombi compared to the respective control animals. This is in line with known research that elevated blood levels of PCSK9 are associated with an increased platelet reactivity and total number of circulating platelets in humans. Moreover, PCSK9 also has an effect on crucial factors of the coagulation cascade, such as increasing factor VIII plasma levels, since the degradation of this blood clotting factor is promoted by the LDLR. The aforementioned pleiotropic effects of the PCSK9 are important to take into account when evaluating the clinical benefit of PCSK9 inhibitors.
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Zhang P, Li L, Tian J, Zhang P, Yang K. Statins for the prevention of primary venous thromboembolism. Hippokratia 2021. [DOI: 10.1002/14651858.cd014769] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Peng Zhang
- Department of Pediatric Surgery; Nanyang Central Hospital; Nanyang China
| | - Lun Li
- Department of Breast Surgery; The Second Xiangya Hospital, Central South University; Changsha China
| | - JinHui Tian
- Evidence-Based Medicine Center, School of Basic Medical Sciences; Lanzhou University; Lanzhou City China
| | - Peizhen Zhang
- Maternity and Child-care; Hospital of Lanzhou City; Lanzhou City China
| | - KeHu Yang
- Key Laboratory of Evidence Based Medicine and Knowledge Translation of Gansu Province; Lanzhou University; Lanzhou City China
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The Role and Function of HDL in Patients with Chronic Kidney Disease and the Risk of Cardiovascular Disease. Int J Mol Sci 2020; 21:ijms21020601. [PMID: 31963445 PMCID: PMC7014265 DOI: 10.3390/ijms21020601] [Citation(s) in RCA: 45] [Impact Index Per Article: 11.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2019] [Revised: 01/09/2020] [Accepted: 01/10/2020] [Indexed: 02/06/2023] Open
Abstract
Chronic kidney disease (CKD) is a worldwide health problem with steadily increasing occurrence. Significantly elevated cardiovascular morbidity and mortality have been observed in CKD. Cardiovascular diseases are the most important and frequent cause of death of CKD patients globally. The presence of CKD is related to disturbances in lipoprotein metabolism whose consequences are dyslipidemia and the accumulation of atherogenic particles. CKD not only fuels the reduction of high-density lipoprotein (HDL) cholesterol concentration, but also it modifies the composition of this lipoprotein. The key role of HDL is the participation in reverse cholesterol transport from peripheral tissues to the liver. Moreover, HDL prevents the oxidation of low-density lipoprotein (LDL) cholesterol by reactive oxygen species (ROS) and protects against the adverse effects of oxidized LDL (ox-LDL) on the endothelium. Numerous studies have demonstrated the ability of HDL to promote the production of nitric oxide (NO) by endothelial cells (ECs) and to exert antiapoptotic and anti-inflammatory effects. Increasing evidence suggests that in patients with chronic inflammatory disorders, HDLs may lose important antiatherosclerotic properties and become dysfunctional. So far, no therapeutic strategy to raise HDL, or alter the ratio of HDL subfractions, has been successful in slowing the progression of CKD or reducing cardiovascular disease in patients either with or without CKD.
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Schol-Gelok S, Morelli F, Arends LR, Boersma E, Kruip MJHA, Versmissen J, van Gelder T. A revised systematic review and meta-analysis on the effect of statins on D-dimer levels. Eur J Clin Invest 2019; 49:e13130. [PMID: 31112290 DOI: 10.1111/eci.13130] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/14/2019] [Revised: 04/22/2019] [Accepted: 05/18/2019] [Indexed: 12/15/2022]
Abstract
BACKGROUND D-dimers are generated during endogenous fibrinolysis of a blood clot and have a central role in diagnostic algorithms to rule out venous thromboembolism. HMG-CoA reductase inhibitors, more commonly called statins, are known to have effects independent of LDL-cholesterol lowering, including antithrombotic properties. An effect of statins on D-dimer levels has been reported in a prior systematic review and meta-analysis, but methodological shortcomings might have led to an overestimated effect. To re-evaluate the association between statins and D-dimer levels, we systematically reviewed all published articles on the influence of statins on D-dimer levels and conducted a novel meta-analysis (PROSPERO registration number CRD42017058932). MATERIALS AND METHODS We electronically searched EMBASE, Medline Epub, Cochrane, Web of Science and Google Scholar (100 top relevance) (date of last search: 5 October 2017). We included randomized controlled trials, cohort studies and cross-sectional studies. Two reviewers independently screened all articles retrieved and extracted data on study and patient characteristics, study quality and D-dimer levels. RESULTS Study-level meta-analysis involving 18,052 study participants showed lower D-dimer levels in those receiving statin treatment than controls (SMD: -0.165, 95% CI -0.234; -0.096, P = <0.001). Sensitivity analyses and additional analyses on treatment duration (<12 weeks vs ≥12 weeks) and type of statin (lipophilic or hydrophilic) did not modify this overall result. CONCLUSION This meta-analysis suggests an association between use of statins and reduction of D-dimer levels, independent of treatment duration and type of statin used. This effect is small but robust, and should be interpreted with caution.
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Affiliation(s)
- Suzanne Schol-Gelok
- Department of Hospital Pharmacy and Internal Medicine, Erasmus MC, University Medical Center Rotterdam, Rotterdam, The Netherlands
| | - Francesca Morelli
- Department of Hospital Pharmacy and Internal Medicine, Erasmus MC, University Medical Center Rotterdam, Rotterdam, The Netherlands
| | - Lidia R Arends
- Department of Biostatistics, Erasmus MC, University Medical Center Rotterdam, Rotterdam, The Netherlands
| | - Eric Boersma
- Department of Cardiology, Erasmus MC, University Medical Center Rotterdam, Rotterdam, The Netherlands
| | - Marieke J H A Kruip
- Department of Hematology, Erasmus MC, University Medical Center Rotterdam, Rotterdam, The Netherlands
| | - Jorie Versmissen
- Department of Hospital Pharmacy and Internal Medicine, Erasmus MC, University Medical Center Rotterdam, Rotterdam, The Netherlands
| | - Teun van Gelder
- Department of Hospital Pharmacy and Internal Medicine, Erasmus MC, University Medical Center Rotterdam, Rotterdam, The Netherlands
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Watanabe T, Oku K, Amengual O, Hisada R, Ohmura K, Nakagawa I, Shida H, Bohgaki T, Horita T, Yasuda S, Atsumi T. Effects of statins on thrombosis development in patients with systemic lupus erythematosus and antiphospholipid antibodies. Lupus 2017; 27:225-234. [DOI: 10.1177/0961203317716787] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Affiliation(s)
- T Watanabe
- Division of Rheumatology, Endocrinology and Nephrology, Hokkaido University Graduate School of Medicine, Sapporo, Japan
| | - K Oku
- Division of Rheumatology, Endocrinology and Nephrology, Hokkaido University Graduate School of Medicine, Sapporo, Japan
| | - O Amengual
- Division of Rheumatology, Endocrinology and Nephrology, Hokkaido University Graduate School of Medicine, Sapporo, Japan
| | - R Hisada
- Division of Rheumatology, Endocrinology and Nephrology, Hokkaido University Graduate School of Medicine, Sapporo, Japan
| | - K Ohmura
- Division of Rheumatology, Endocrinology and Nephrology, Hokkaido University Graduate School of Medicine, Sapporo, Japan
| | - I Nakagawa
- Division of Rheumatology, Endocrinology and Nephrology, Hokkaido University Graduate School of Medicine, Sapporo, Japan
| | - H Shida
- Division of Rheumatology, Endocrinology and Nephrology, Hokkaido University Graduate School of Medicine, Sapporo, Japan
| | - T Bohgaki
- Division of Rheumatology, Endocrinology and Nephrology, Hokkaido University Graduate School of Medicine, Sapporo, Japan
| | - T Horita
- Division of Rheumatology, Endocrinology and Nephrology, Hokkaido University Graduate School of Medicine, Sapporo, Japan
| | - S Yasuda
- Division of Rheumatology, Endocrinology and Nephrology, Hokkaido University Graduate School of Medicine, Sapporo, Japan
| | - T Atsumi
- Division of Rheumatology, Endocrinology and Nephrology, Hokkaido University Graduate School of Medicine, Sapporo, Japan
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Statins and primary prevention of venous thromboembolism: a systematic review and meta-analysis. LANCET HAEMATOLOGY 2017; 4:e83-e93. [DOI: 10.1016/s2352-3026(16)30184-3] [Citation(s) in RCA: 69] [Impact Index Per Article: 9.9] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/19/2016] [Revised: 11/08/2016] [Accepted: 11/10/2016] [Indexed: 11/24/2022]
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Gaertner S, Cordeanu EM, Nouri S, Mirea C, Stephan D. Statins and prevention of venous thromboembolism: Myth or reality? Arch Cardiovasc Dis 2016; 109:216-22. [DOI: 10.1016/j.acvd.2015.11.007] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/06/2015] [Revised: 11/12/2015] [Accepted: 11/13/2015] [Indexed: 11/25/2022]
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Tagalakis V, Eberg M, Kahn S, Azoulay L. Use of statins and reduced risk of recurrence of VTE in an older population. A population-based cohort study. Thromb Haemost 2016; 115:1220-8. [PMID: 26819144 DOI: 10.1160/th15-10-0775] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2015] [Accepted: 01/16/2016] [Indexed: 11/05/2022]
Abstract
We aimed to determine whether statin use is associated with a decreased risk of recurrent venous thromboembolism (VTE) in older patients. We used a pre-assembled cohort of patients at least 65 years of age diagnosed with incident VTE between January 1, 1994 and December 31, 2004 in the province of Québec, Canada and followed until December 31, 2005. Time-dependent Cox proportional hazards models were used to estimate adjusted hazard ratios (HRs) and 95 % confidence intervals (CIs) of recurrent VTE associated with current and past use of statins, compared with non-use. The cohort included 25,681 patients with incident VTE. During a mean follow-up of 3.0 years, there were 2343 recurrent VTE events (rate: 3.1 per 100 person-years). Compared with non-use, current use of statins was associated with a decreased risk of VTE recurrence (rates: 1.55 vs 3.47 per 100 per year, respectively; HR: 0.74, 95 % CI: 0.61-0.89), while no association was observed with past use (HR: 0.98, 95 % CI: 0.76-1.25). In a secondary analysis, longer durations of statin use were associated with greater risk reductions (0-6 months, HR 0.82, 95 % CI: 0.67-1.01; 6-12 months, HR 0.62, 95 % CI: 0.43-0.90; ≥ 12 months, HR: 0.50, 95 % CI: 0.33-0.74; p-value for trend ≤ 0.001). The use of statin was associated with a decreased risk of recurrent VTE in older patients. This study supports the need for randomised controlled trials to assess the efficacy and safety of statins in the long-term treatment of VTE.
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Affiliation(s)
- Vicky Tagalakis
- Vicky Tagalakis MD MSc, Centre for Clinical Epidemiology, Jewish General Hospital, 3755 Côte Ste Catherine, RM H-410, Québec, Canada H3T 1E2, Tel: +1 514 340 8222 ext. 4665, Fax: +1 514 340 7564, E-mail:
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10
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Abstract
BACKGROUND Venous thromboembolism (VTE) is common in clinical practice. The efficacy of statins in the primary prevention of VTE remains unproven. This is an update of the review first published in 2011. OBJECTIVES To assess the efficacy of statins in the primary prevention of VTE. SEARCH METHODS For this update the Cochrane Peripheral Vascular Diseases (PVD) Group Trials Search Co-ordinator searched the Specialised Register (last searched February 2014) and CENTRAL (2014, Issue 1). SELECTION CRITERIA Randomised controlled trials (RCTs) that assessed statins in the primary prevention of VTE were considered. The outcomes we evaluated were the rates of VTE, cardiovascular and cerebrovascular events, death and adverse events. Two authors (L Li, JH Tian) independently selected RCTs against the inclusion criteria. Disagreements were resolved by discussion with a third author (KH Yang). DATA COLLECTION AND ANALYSIS Data extraction was independently carried out by two authors (L Li, JH Tian). Disagreements were resolved by discussion with a third author (PZ Zhang). Two authors (L Li, JH Tian) independently assessed the risk of bias according to a standard quality checklist provided by the PVD Group. MAIN RESULTS For this update we included one RCT with 17,802 participants that assessed rosuvastatin compared with placebo for the prevention of VTE. The quality of the evidence was moderate because of imprecision, as the required sample size for the outcomes of this review was not achieved. Analysis showed that when compared with placebo rosuvastatin reduced the incidence of VTE (odds ratio (OR) 0.57, 95% confidence interval (CI) 0.37 to 0.86) and deep vein thrombosis (DVT) (OR 0.45, 95% CI 0.25 to 0.79), the risk of any (fatal and non-fatal) myocardial infarction (MI) (OR 0.45, 95% CI 0.30 to 0.69), and any (fatal and non-fatal) stroke (OR 0.51, 95% CI 0.34 to 0.78). There was no difference in the incidence of pulmonary embolism (PE) (OR 0.77, 95% CI 0.41 to 1.46), fatal MI (OR 1.50, 95% CI 0.53 to 4.22), fatal stroke (OR 0.30, 95% CI 0.08 to 1.09) or death after VTE (OR 0.50, 95% CI 0.20 to 1.24). The incidence of any serious adverse events was no different between the rosuvastatin and placebo groups (OR 1.07, 95% CI 0.95 to 1.20). AUTHORS' CONCLUSIONS Available evidence showed that rosuvastatin was associated with a reduced incidence of VTE, but the evidence was limited to a single RCT and any firm conclusions and suggestions could be not drawn. Randomised controlled trials of statins (including rosuvastatin) are needed to evaluate their efficacy in the prevention of VTE.
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Affiliation(s)
- Lun Li
- Lanzhou UniversityThe First Clinical College of Lanzhou University; Evidence‐Based Medicine Center, School of Basic Medical SciencesNo. 199, Donggang West RoadLanzhou CityGansuChina730000
| | - Peizhen Zhang
- Hospital of Lanzhou CityMaternity and Child‐careWest ShiziLanzhou CityGanshuChina730000
| | - Jin Hui Tian
- Lanzhou UniversityEvidence‐Based Medicine Center, School of Basic Medical SciencesNo. 199, Donggang West RoadLanzhou CityGansuChina730000
| | - KeHu Yang
- Lanzhou UniversityKey Laboratory of Evidence Based Medicine and Knowledge Translation of Gansu ProvinceNo. 199, Donggang West RoadLanzhou CityGansuChina730000
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Rodger M. Is it time to try or to trial statins to prevent recurrent venous thromboembolism? J Thromb Haemost 2014; 12:1204-6. [PMID: 24845821 DOI: 10.1111/jth.12614] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2014] [Accepted: 03/11/2014] [Indexed: 11/27/2022]
Affiliation(s)
- M Rodger
- Thrombosis Program, Division of Hematology, Department of Medicine, University of Ottawa, Ottawa, Ontario, Canada; Clinical Epidemiology Program, Ottawa Hospital Research Institute, The Ottawa Hospital, Ottawa, Ontario, Canada
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Ferreira CN, Carvalho MG, Gomes KB, Reis HJ, Fernandes AP, Palotás A, Sousa MO. Apolipoprotein polymorphism is associated with pro-thrombotic profile in non-demented dyslipidemic subjects. Exp Biol Med (Maywood) 2014; 240:79-86. [PMID: 25073959 DOI: 10.1177/1535370214543065] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Abstract
Apolipoprotein gene polymorphism has an important role in lipid metabolism and in the development of cerebro- and cardio-vascular disease (CCVD), including dementia. Dyslipidemia and hemostatic abnormalities are key risk factors associated with athero-sclerotic events preceding CCVD. The aim of this study was to evaluate the possible relationships of various apolipoprotein-species with hemostatic parameters and cognitive function. Lipid profile, gene polymorphism, coagulation markers, and mini-mental state examination (MMSE) scores were assessed in 109 dys-lipidemic subjects and in 107 healthy control volunteers. Thrombin-activatable fibrinolysis inhibitor (TAFI) plasma levels were significantly higher in apolipoprotein-E2 (apoE2) patients when compared to other apoE forms. The apoA5 -1131T>C polymorphism was associated with elevated D-dimer concentration in dyslipidemic TT homozygous individuals. MMSE did not correlate with lipid or coagulation profile. These data suggest that apoE and apoA5 variants have an effect on hemostatic parameters, but they neither influence nor predict cognitive performance in non-demented individuals.
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Affiliation(s)
| | - Maria G Carvalho
- Universidade Federal de Minas Gerais, Belo Horizonte, 31270-901, Brazil
| | - Karina B Gomes
- Universidade Federal de Minas Gerais, Belo Horizonte, 31270-901, Brazil
| | - Helton J Reis
- Universidade Federal de Minas Gerais, Belo Horizonte, 31270-901, Brazil
| | | | - András Palotás
- Asklepios-Med (private medical practice and research center), Szeged, H-6722, Hungary
| | - Marinez O Sousa
- Universidade Federal de Minas Gerais, Belo Horizonte, 31270-901, Brazil
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Abstract
Statins form the pharmacologic cornerstone of the primary and secondary prevention of atherosclerotic cardiovascular disease. In addition to beneficial cardiovascular effects, statins seem to have multiple non-cardiovascular effects. Although early concerns about statin induced hepatotoxicity and cancer have subsided owing to reassuring evidence, two of the most common concerns that clinicians have are myopathy and diabetes. Randomized controlled trials suggest that statins are associated with a modest increase in the risk of myositis but not the risk of myalgia. Severe myopathy (rhabdomyolysis) is rare and often linked to a statin regimen that is no longer recommended (simvastatin 80 mg). Randomized controlled trials and meta-analyses suggest an increase in the risk of diabetes with statins, particularly with higher intensity regimens in people with two or more components of the metabolic syndrome. Other non-cardiovascular effects covered in this review are contrast induced nephropathy, cognition, cataracts, erectile dysfunction, and venous thromboembolism. Currently, systematic reviews and clinical practice guidelines indicate that the cardiovascular benefits of statins generally outweigh non-cardiovascular harms in patients above a certain threshold of cardiovascular risk. Literature is also accumulating on the potential non-cardiovascular benefits of statins, which could lead to novel applications of this class of drug in the future.
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Affiliation(s)
- Chintan S Desai
- Johns Hopkins Ciccarone Center for the Prevention of Heart Disease, Baltimore, MD 21287, USA
| | - Seth S Martin
- Johns Hopkins Ciccarone Center for the Prevention of Heart Disease, Baltimore, MD 21287, USA
| | - Roger S Blumenthal
- Johns Hopkins Ciccarone Center for the Prevention of Heart Disease, Baltimore, MD 21287, USA
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van der Stoep M, Korporaal SJA, Van Eck M. High-density lipoprotein as a modulator of platelet and coagulation responses. Cardiovasc Res 2014; 103:362-71. [DOI: 10.1093/cvr/cvu137] [Citation(s) in RCA: 90] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/27/2022] Open
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15
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Nguyen CD, Andersson C, Jensen TB, Gjesing A, Schjerning Olsen AM, Malta Hansen C, Büller H, Torp-Pedersen C, Gislason GH. Statin treatment and risk of recurrent venous thromboembolism: a nationwide cohort study. BMJ Open 2013; 3:e003135. [PMID: 24202053 PMCID: PMC3822311 DOI: 10.1136/bmjopen-2013-003135] [Citation(s) in RCA: 30] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/21/2022] Open
Abstract
OBJECTIVES Statins may decrease the risk of primary venous thromboembolism (VTE), that is, deep vein thrombosis (DVT) and pulmonary embolism (PE) but the effect of statins in preventing recurrent VTE is less clear. The aim of this study was therefore to investigate the association between statin therapy and risk of recurrent VTE. DESIGN A prospective cohort study. SETTING All hospitals in Denmark. PARTICIPANTS All patients with a hospital diagnosis of VTE in Denmark during 1997-2009 associated with a warfarin or heparin prescription were identified. MAIN OUTCOME MEASURES Adjusted HR of recurrent hospitalised VTE (ie, fatal or non-fatal DVT or PE) associated with use of statins. RESULTS 44 330 patients with VTE were included in the study. Of these 3914 were receiving statin therapy at baseline. Patients receiving statins were older (68±11 compared to 62±18 years), had more comorbidity and used more medications. The incidence rate for recurrent VTE was 24.4 (95% CI 22.8 to 26.2) per 1000 person-years among statin users and 48.5 (95% CI 47.4 to 49.7) per 1000 person-years among non-statin users. Statin use was associated with a significantly lower risk of a recurrent VTE, adjusted HR 0.74 (95% CI 0.68 to 0.80), compared with no statin use. The association between statin use and risk of recurrent VTE was significantly affected by age. Among younger individuals (≤80 years), statin use was associated with lower risk of recurrent VTE, HR 0.70 (95% CI 0.65 to 0.76) whereas in older individuals (>80 years) statin use was significantly associated with higher risk of recurrent VTE, HR 1.28 (95% CI 1.02 to 1.60), p for interaction=<0.0001. CONCLUSIONS Statin use was associated with a decreased risk of recurrent VTE.
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Affiliation(s)
- Cu Dinh Nguyen
- Department of Cardiology, Gentofte Hospital, University of Copenhagen, Denmark
| | - Charlotte Andersson
- Department of Cardiology, Gentofte Hospital, University of Copenhagen, Denmark
| | - Thomas Bo Jensen
- Department of Cardiology, Gentofte Hospital, University of Copenhagen, Denmark
| | - Anne Gjesing
- Department of Cardiology, Gentofte Hospital, University of Copenhagen, Denmark
| | | | | | - Harry Büller
- Department of Vascular Medicine, Academic Medical Center, Amsterdam, The Netherlands
| | | | - Gunnar H Gislason
- National Institute of Public Health, University of Southern, Denmark
- Faculty of Health and Medical Sciences, University of Copenhagen, Denmark
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Tomé-Carneiro J, Gonzálvez M, Larrosa M, Yáñez-Gascón MJ, García-Almagro FJ, Ruiz-Ros JA, Tomás-Barberán FA, García-Conesa MT, Espín JC. Grape resveratrol increases serum adiponectin and downregulates inflammatory genes in peripheral blood mononuclear cells: a triple-blind, placebo-controlled, one-year clinical trial in patients with stable coronary artery disease. Cardiovasc Drugs Ther 2013; 27:37-48. [PMID: 23224687 PMCID: PMC3555235 DOI: 10.1007/s10557-012-6427-8] [Citation(s) in RCA: 164] [Impact Index Per Article: 14.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Abstract
PURPOSE The grape and wine polyphenol resveratrol exerts cardiovascular benefits but evidence from randomized human clinical trials is very limited. We investigated dose-depending effects of a resveratrol-containing grape supplement on stable patients with coronary artery disease (CAD) treated according to currently accepted guidelines for secondary prevention of cardiovascular disease. METHODS In a triple-blind, randomized, placebo-controlled, one-year follow-up, 3-arm pilot clinical trial, 75 stable-CAD patients received 350 mg/day of placebo, resveratrol-containing grape extract (grape phenolics plus 8 mg resveratrol) or conventional grape extract lacking resveratrol during 6 months, and a double dose for the following 6 months. Changes in circulating inflammatory and fibrinolytic biomarkers were analyzed. Moreover, the transcriptional profiling of inflammatory genes in peripheral blood mononuclear cells (PBMCs) was explored using microarrays and functional gene expression analysis. RESULTS After 1 year, in contrast to the placebo and conventional grape extract groups, the resveratrol-containing grape extract group showed an increase of the anti-inflammatory serum adiponectin (9.6 %, p = 0.01) and a decrease of the thrombogenic plasminogen activator inhibitor type 1 (PAI-1) (-18.6 %, p = 0.05). In addition, 6 key inflammation-related transcription factors were predicted to be significantly activated or inhibited, with 27 extracellular-space acting genes involved in inflammation, cell migration and T-cell interaction signals presenting downregulation (p < 0.05) in PBMCs. No adverse effects were detected in relation to the study products. CONCLUSIONS Chronic daily consumption of a resveratrol-containing grape nutraceutical could exert cardiovascular benefits in stable-CAD patients treated according to current evidence-based standards, by increasing serum adiponectin, preventing PAI-1 increase and inhibiting atherothrombotic signals in PBMCs.
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Affiliation(s)
- João Tomé-Carneiro
- Research Group on Quality, Safety and Bioactivity of Plant Foods, CEBAS-CSIC, 30100 Campus de Espinardo, Murcia, Spain
| | - Manuel Gonzálvez
- Cardiology Service, Morales Meseguer University Hospital, 30008 Avda. Marqués de los Velez, Murcia, Spain
| | - Mar Larrosa
- Research Group on Quality, Safety and Bioactivity of Plant Foods, CEBAS-CSIC, 30100 Campus de Espinardo, Murcia, Spain
| | - María J. Yáñez-Gascón
- Research Group on Quality, Safety and Bioactivity of Plant Foods, CEBAS-CSIC, 30100 Campus de Espinardo, Murcia, Spain
| | | | - José A. Ruiz-Ros
- Cardiology Service, Morales Meseguer University Hospital, 30008 Avda. Marqués de los Velez, Murcia, Spain
| | - Francisco A. Tomás-Barberán
- Research Group on Quality, Safety and Bioactivity of Plant Foods, CEBAS-CSIC, 30100 Campus de Espinardo, Murcia, Spain
| | - María T. García-Conesa
- Research Group on Quality, Safety and Bioactivity of Plant Foods, CEBAS-CSIC, 30100 Campus de Espinardo, Murcia, Spain
| | - Juan Carlos Espín
- Research Group on Quality, Safety and Bioactivity of Plant Foods, CEBAS-CSIC, 30100 Campus de Espinardo, Murcia, Spain
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Abstract
BACKGROUND Venous thromboembolism (VTE) is common in clinical practice. The efficacy of statins in the primary prevention of VTE remains unproven. OBJECTIVES To assess the efficacy of statins in the primary prevention of VTE. SEARCH METHODS The Cochrane Peripheral Vascular Diseases (PVD) Group searched their Specialised Register (last searched April 2011) and CENTRAL (2011, Issue 2). The authors searched MEDLINE (January 1966 to March 2011); EMBASE (1974 to March 2011); ISI Web of Knowledge (2001 to March 2011); the Chinese Biomedical Literature Database (1978 to March 2011) and other resources (including clinical trials registers, reference lists and presentations at various conferences. SELECTION CRITERIA Randomised controlled trials (RCTs) that assessed statins were considered. The outcomes we evaluated were the rates of VTE, cardiovascular and cerebrovascular events, death and adverse events. Two authors independently selected RCTs against inclusion criteria. Disagreements were resolved by discussion with a third author. DATA COLLECTION AND ANALYSIS Data extraction was independently carried out by two authors. Disagreements were resolved by discussion with a third author. Two authors independently assessed the risk of bias according to a standard quality checklist provided by the PVD Group. MAIN RESULTS We included one RCT (17 citations) with 17,802 participants that assessed rosuvastatin for preventing VTE. Our analysis showed that rosuvastatin reduced the incidence of VTE (odds ratio (OR) 0.57, 95% confidence interval (CI) 0.37 to 0.86) and deep vein thrombosis (DVT) (OR 0.45, 95% CI 0.25 to 0.79), the risk of any (fatal and non-fatal) myocardial infarction (MI) (OR 0.45, 95% CI 0.30 to 0.69), any (fatal and non-fatal) stroke (OR 0.51, 95% CI 0.34 to 0.78), but did not reduce the incidence of pulmonary embolism (PE) (OR 0.77, 95% CI 0.41 to 1.46) and death after VTE (OR 0.50, 95% CI 0.20 to 1.24). Rosuvastatin did not reduce the incidence of any serious adverse event (OR 0.95, 95% CI 0.90 to 1.06). AUTHORS' CONCLUSIONS Available evidence showed that rosuvastatin was associated with a reduced incidence of VTE, but the evidence was limited to a single RCT. Randomised controlled trials of statins (including rosuvastatin) are needed to evaluate the efficacy of statins in the prevention of VTE.
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Affiliation(s)
- Lun Li
- Evidence-Based Medicine Center, School of Basic Medical Sciences, Lanzhou University, No. 199, Donggang West Road, Lanzhou City, Gansu, China, 730000
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Zacho J, Tybjaerg-Hansen A, Nordestgaard BG. C-reactive protein and risk of venous thromboembolism in the general population. Arterioscler Thromb Vasc Biol 2010; 30:1672-8. [PMID: 20466978 DOI: 10.1161/atvbaha.109.198473] [Citation(s) in RCA: 54] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
OBJECTIVE To examine the robustness of the association between C-reactive protein (CRP) levels and increased risk of venous thromboembolism (VTE) and to examine whether genetically elevated CRP levels cause VTE. METHODS AND RESULTS In the prospective Copenhagen City Heart Study, we observed 10 388 participants for longer than 16 years, of whom 484 developed a VTE. In the cross-sectional Copenhagen General Population Study, we studied 36 616 participants, of whom 903 previously had a VTE. Levels of CRP greater than 3 mg/L versus less than 1 mg/L were associated with a 2.3- and 2.4-fold increased risk of VTE in the Copenhagen City Heart Study and the Copenhagen General Population Study, respectively. CRP levels in tertiles, quintiles, and octiles associated with a stepwise increase in VTE risk. CRP genotypes associated with an increase in plasma CRP levels up to 59% but did not associate consistently with risk of VTE in either study. The causal odds ratio for VTE for a doubling in genetically elevated CRP on instrumental variable analyses was lower than the odds ratio for VTE observed for a doubling in plasma CRP on logistic regression ([odds ratio and 95% CI] 0.80 [0.56 to 1.12] versus 1.17 [1.08 to 1.27]; P=0.04). CONCLUSIONS We observed 47,000 participants from the general population, of whom 1387 developed VTE. Although elevated CRP levels robustly associated with increased risk of VTE, this may not necessarily be a causal association because genetically elevated CRP did not associate with VTE risk.
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Affiliation(s)
- Jeppe Zacho
- Department of Clinical Biochemistry, Herlev Hospital, Copenhagen University Hospital, Faculty of Health Sciences, University of Copenhagen, Copenhagen, Denmark
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19
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Fonseca FAH, Izar MCO. Primary prevention of vascular events in patients with high levels of C-reactive protein: the JUPITER study. Expert Rev Cardiovasc Ther 2009; 7:1041-56. [PMID: 19764857 DOI: 10.1586/erc.09.93] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
The Justification for the Use of Statins in Primary Prevention: An Intervention Trial Evaluating Rosuvastatin (JUPITER) study was the first large-scale, prospective study to examine the benefits of statin therapy in subjects with elevated levels of high-sensitivity C-reactive protein but with low-to-normal LDL-cholesterol levels, who were not qualified for lipid-lowering treatment according to the current guidelines for primary prevention. The JUPITER study aimed to determine whether rosuvastatin 20 mg daily would reduce the rate of first major cardiovascular events, including cardiovascular death, nonfatal stroke, nonfatal myocardial infarction, hospitalization for unstable angina or arterial revascularization. Rosuvastatin reduced LDL-cholesterol levels by 50% and high-sensitivity C-reactive protein by 37%. Compared with placebo, the combined primary end point was reduced in 44% (p < 0.00001), and total mortality in 20% (p = 0.02). The trial confirmed the relationship between the rates of major cardiovascular events with both high-sensitivity C-reactive protein and LDL-cholesterol levels achieved after statin treatment. Interestingly, this was the first large, prospective statin trial to show benefit in the reduction of venous thromboembolism.
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Affiliation(s)
- Francisco A H Fonseca
- Lipids, Atherosclerosis and Vascular Biology Section, Discipline of Cardiology, Department of Medicine, Universidade Federal de São Paulo, São Paulo, SP, Brazil.
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20
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Paraskevas KI, Bessias N, Perdikides TP, Mikhailidis DP. Statins and venous thromboembolism: a novel effect of statins? Curr Med Res Opin 2009; 25:1807-9. [PMID: 19505206 DOI: 10.1185/03007990903052591] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Abstract
Statins play a key role in the management of hypercholesterolemia and other dyslipidemias. However, statins exert several other actions, often referred to as 'pleiotropic'. This Editorial looks at the JUPITER trial (Justification for the Use of Statins in Prevention: an Intervention Trial Evaluating Rosuvastatin), examining, in particular, the occurrence of venous thromboembolism in the rosuvastatin and placebo groups, and discussing these findings in the context of the current literature. The authors conclude that statin use could perhaps be associated with reductions in the risk of venous thromboembolism, and call for further appropriately designed studies.
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Glynn RJ, Danielson E, Fonseca FAH, Genest J, Gotto AM, Kastelein JJP, Koenig W, Libby P, Lorenzatti AJ, MacFadyen JG, Nordestgaard BG, Shepherd J, Willerson JT, Ridker PM. A randomized trial of rosuvastatin in the prevention of venous thromboembolism. N Engl J Med 2009; 360:1851-61. [PMID: 19329822 PMCID: PMC2710995 DOI: 10.1056/nejmoa0900241] [Citation(s) in RCA: 539] [Impact Index Per Article: 35.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Abstract
BACKGROUND Controversy persists regarding the extent of shared pathways between arterial and venous thrombosis and whether treatments of known efficacy for one disease process have consistent benefits for the other. Observational studies have yielded variable estimates of the effect of statin therapy on the risk of venous thromboembolism, and evidence from randomized trials is lacking. METHODS We randomly assigned 17,802 apparently healthy men and women with both low-density lipoprotein (LDL) cholesterol levels of less than 130 mg per deciliter (3.4 mmol per liter) and high-sensitivity C-reactive protein levels of 2.0 mg per liter or higher to receive rosuvastatin, 20 mg per day, or placebo. We followed participants for the first occurrence of pulmonary embolism or deep-vein thrombosis and performed analyses of the data on an intention-to-treat basis. RESULTS During a median follow-up period of 1.9 years (maximum, 5.0), symptomatic venous thromboembolism occurred in 94 participants: 34 in the rosuvastatin group and 60 in the placebo group. The rates of venous thromboembolism were 0.18 and 0.32 event per 100 person-years of follow-up in the rosuvastatin and placebo groups, respectively (hazard ratio with rosuvastatin, 0.57; 95% confidence interval [CI], 0.37 to 0.86; P=0.007); the corresponding rates for unprovoked venous thromboembolism (i.e., occurring in the absence of a known malignant condition, trauma, hospitalization, or surgery) were 0.10 and 0.17 (hazard ratio, 0.61; 95% CI, 0.35 to 1.09; P=0.09) and for provoked venous thromboembolism (i.e., occurring in patients with cancer or during or shortly after trauma, hospitalization, or surgery), 0.08 and 0.16 (hazard ratio, 0.52; 95% CI, 0.28 to 0.96; P=0.03). The rates of pulmonary embolism were 0.09 in the rosuvastatin group and 0.12 in the placebo group (hazard ratio, 0.77; 95% CI, 0.41 to 1.45; P=0.42), whereas the rates of deep-vein thrombosis only were 0.09 and 0.20, respectively (hazard ratio, 0.45; 95% CI, 0.25 to 0.79; P=0.004). Consistent effects were observed in all the subgroups examined. No significant differences were seen between treatment groups in the rates of bleeding episodes. CONCLUSIONS In this trial of apparently healthy persons, rosuvastatin significantly reduced the occurrence of symptomatic venous thromboembolism. (ClinicalTrials.gov number, NCT00239681.)
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Affiliation(s)
- Robert J Glynn
- Division of Preventive Medicine, Brigham and Women's Hospital, Harvard Medical School, Boston, MA 02215, USA.
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22
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Berneis K, Rizzo M, Hersberger M, Rini GB, Di Fede G, Pepe I, Spinas GA, Carmina E. Atherogenic forms of dyslipidaemia in women with polycystic ovary syndrome. Int J Clin Pract 2009; 63:56-62. [PMID: 19125993 DOI: 10.1111/j.1742-1241.2008.01897.x] [Citation(s) in RCA: 60] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/29/2022] Open
Abstract
OBJECTIVE Dyslipidaemia is very common in patients with polycystic ovary syndrome (PCOS) but, beyond plasma lipids, atherogenic lipoprotein (Lp) and apolipoprotein (apo) alterations are still ill defined. DESIGN We measured concentrations of apoB, Lp(a) and small, dense low-density lipoprotein (LDL) in 42 patients with PCOS [age: 28 +/- 7 years, body mass index (BMI): 27 +/- 5 kg/m(2)] vs. 37 age- and BMI-matched healthy controls. METHODS Elevated Lp(a) levels considered were those > 30 mg/dl while elevated apoB concentrations were those > 100 g/l. RESULTS Polycystic ovary syndrome showed increased triglycerides levels (p = 0.0011) and lower high-density lipoprotein (HDL)-cholesterol concentrations (p = 0.0131) while total- and LDL cholesterol were similar. PCOS also showed smaller LDL size (p = 0.0005), higher levels of total small, dense LDL (p < 0.0001), higher concentrations of Lp(a), as considered as absolute values (p = 0.0143) and log-transformed (p = 0.0014), while no differences were found in apoB levels. Elevated Lp(a) concentrations were found in 24% of PCOS, while elevated apoB levels were relatively uncommon (14%). Spearman correlation analysis revealed that Lp(a) concentrations were weakly correlated only with HDL-cholesterol levels (r = -0.378, p = 0.0431). In addition, 36% of patients with PCOS with normal plasma lipid profile showed elevated levels of Lp(a), apoB or small, dense LDL. CONCLUSIONS Atherogenic Lp abnormalities may be found in one-third of women with PCOS who have a normal lipid pattern. Future prospective studies are needed to test to which extent such atherogenic forms of dyslipidaemia may contribute to the increased cardiovascular risk in young women with PCOS.
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Affiliation(s)
- K Berneis
- Clinics for Endocrinology, Diabetes and Clinical Nutrition, University Hospital Zurich, Zurich, Switzerland
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Impact of sex and traditional cardiovascular risk factors on the risk of recurrent venous thromboembolism: results from the German MAISTHRO Registry. Blood Coagul Fibrinolysis 2008; 19:159-65. [DOI: 10.1097/mbc.0b013e3282f54558] [Citation(s) in RCA: 31] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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Santamaría A, Oliver A, Borrell M, Belvís R, Martí-Fábregas J, Mateo J, Fontcuberta J. Higher risk of ischaemic stroke associated with factor XI levels in dyslipidaemic patients. Int J Clin Pract 2007; 61:1819-23. [PMID: 17511793 DOI: 10.1111/j.1742-1241.2007.01388.x] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/29/2022] Open
Abstract
BACKGROUND Ischaemic stroke (IS) is a complex disease that involves genetic and environmental factors. The role of factor XI (FXI) in arterial thrombosis is unclear. We have investigated the risk of IS related to FXI levels in a case-control study. METHODS We studied 445 individuals: 218 diagnosed with IS and 227 age-gender-ethnic matched control subjects. We measured factor VIIIc, fibrinogen and factor XIc levels. FXI < 144% was taken as the reference group in the statistical analysis. RESULTS There were 104 women and 114 men in the IS group and 108 women and 119 men in the control group. The crude odds ratio (OR) of IS in dyslipidaemic patients with high levels of FXI was 4.2 [95% confidence interval (CI): 1.2-14.8] compared with dyslipidaemic controls and low levels of FXI, but the OR in the non-dyslipidaemic with high levels of FXI subgroup was 1.2 (95% CI: 0.4-3.2). The adjusted OR of IS in dyslipidaemic patients with high levels of FXI was 6.4 (95% CI: 1.6-26.1) compared with dyslipidaemic controls, but the OR in non-dyslipidaemic subgroup with high levels of FXI was 0.6 (95% CI: 0.2-2.1). CONCLUSION We found almost a sixfold higher risk of IS in patients with dyslipidaemia and high levels of FXI. Further studies should elucidate the role of FXI in IS and therapeutic approaches should become apparent for patients with dyslipidaemia and high-FXI plasma levels.
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Affiliation(s)
- A Santamaría
- Thrombosis and Hemostasis Unit, Department of Hematology, Universitat Autónoma de Barcelona, Hospital de Santa Creu i Sant Pau, Barcelona, Spain.
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Aito S, Abbate R, Marcucci R, Cominelli E. Endogenous risk factors for deep-vein thrombosis in patients with acute spinal cord injuries. Spinal Cord 2007; 45:627-31. [PMID: 17228356 DOI: 10.1038/sj.sc.3102018] [Citation(s) in RCA: 24] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
STUDY DESIGN Case-control study. AIM OF THE STUDY Investigate the presence of additional endogenous risk factors of deep-vein thrombosis (DVT). SETTING Regional Spinal Unit of Florence, Italy. METHODS A total of 43 patients with spinal lesion and a history of DVT during the acute stage of their neurological impairment (Group A) were comprehensively evaluated and the blood concentrations of the following risk factors, that are presumably associated with DVT, were determined: antithrombin III (ATIII), protein C (PC), protein S (PS), factor V Leiden, gene 200210A polymorphism, homocysteine (Hcy), inhibitor of plasminogen activator-1 (PAI-1) and lipoprotein A (LpA). The control group (Group B) consisted of 46 patients matched to Group A for sex, age, neurological status and prophylactic treatment during the acute stage, with no history of DVT. Statistical analysis was performed using the Mann-Whitney and Fisher's exact tests. RESULTS Of the individuals in Group A, 14% had no risk factor and 86% had at least one; however, in Group B 54% had no endogenous risk factors and 46% had at least one. None of the individuals in either group had a deficit in their coagulation inhibitors (ATIII, PC and PS), and the LpA level was equivalent in the two groups. The levels of Hcy and PAI-1 were significantly higher in Group A. CONCLUSIONS Increases in the levels of plasma Hcy and PAI-1 are demonstrated to be independent risk factors for developing a DVT.
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Affiliation(s)
- S Aito
- Spinal Unit, Careggi University Hospital, Florence, Italy
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26
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Squizzato A, Romualdi E, Ageno W. Why should statins prevent venous thromboembolism? A systematic literature search and a call for action. J Thromb Haemost 2006; 4:1925-7. [PMID: 16961599 DOI: 10.1111/j.1538-7836.2006.02030.x] [Citation(s) in RCA: 25] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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Marcucci R, Alessandrello Liotta A, Cellai AP, Rogolino A, Berloco P, Leprini E, Pagnini P, Abbate R, Prisco D. Cardiovascular and thrombophilic risk factors for idiopathic sudden sensorineural hearing loss. J Thromb Haemost 2005; 3:929-34. [PMID: 15869586 DOI: 10.1111/j.1538-7836.2005.01310.x] [Citation(s) in RCA: 90] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
BACKGROUND In recent years there has been a significant increase in the diagnosis of sudden sensorineural hearing loss (SSHL) in western, countries with an incidence of 20 of 100,000 people affected every year. No clear causes for this disease have been found thus far, but cochlear ischemia has been hypothesized in patients in whom an infectious episode or acoustic neurinoma have been excluded. OBJECTIVES The aim of this case-control study was to investigate a number of acquired and inherited thrombophilic risk factors [antithrombin, protein C and S; factor V (FV) Leiden, FII polymorphism; lupus anticoagulant (LA); anticardiolipin (aCL) antibodies; fasting homocysteine (Hcy); lipoprotein(a) (Lp(a)); plasminogen activator inhibitor-1 (PAI-1)] in addition to cardiovascular risk factors in patients with idiopathic SSHL (ISSHL). PATIENTS AND METHODS We investigated 155 patients (67 male/88 female; age: 55 (range 19-79 years) with a diagnosis of ISSHL within 30 days from the onset of symptoms, and 155 controls (67 male/88 female; age 54 (range 19-78 years). Fasting Hcy levels were significantly higher in patients than in controls [11.6 (6.7-60) micromol/L vs. 8.7 (5.0-24) micromol/L] as well as PAI-1 levels [19 (2-95) mg/dL vs. 14.5 (4.0-87) mg/dL]. Lupus anticoagulant was present in 13 of 155 (8.4%) patients; 20 patients (12.9%) had positivity of aCL (four IgM and 16 IgG). In no patient was a deficiency of physiological clotting inhibitors antithrombin, protein C and protein S found. No significant differences between patients and controls were observed for Lp(a) plasma levels [111 (1-1146) mg/L vs. 103 (11-695) mg/L] and for the presence of FV Leiden (4.5% vs. 4.5%) and FII variant G20210A (3.8% vs. 3.2%). RESULTS AND CONCLUSIONS Independent risk factors for ISSHL at the multivariate analysis (adjusted for age, sex and the traditional cardiovascular risk factors) were the positivity of aCL: OR 5.6 (95% CI 2.0-15.3); cholesterol levels within the second and third tertiles (with respect to the first tertile): T2 = OR 4.8 (95% CI 1.9-12.6)/T3 = OR 19 (95% CI 7-50.1); PAI-1 and Hcy levels within the third tertile (with respect to the first tertile): OR 20 (95% CI 7.8-78) and OR 4.0 (95% CI 2.0-8.1), respectively. These preliminary data suggest that hypercholesterolemia, hyperhomocysteinemia, elevated PAI-1 levels and anticardiolipin antibodies are associated with ISSHL, so indirectly supporting the hypothesis of a vascular occlusion in the pathogenesis of the disease.
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Affiliation(s)
- R Marcucci
- Dipartimento del Cuore e dei Vasi, University of Florence, Italy.
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