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Prado Y, Aravena D, Llancalahuen FM, Aravena C, Eltit F, Echeverría C, Gatica S, Riedel CA, Simon F. Statins and Hemostasis: Therapeutic Potential Based on Clinical Evidence. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2023; 1408:25-47. [PMID: 37093420 DOI: 10.1007/978-3-031-26163-3_2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/25/2023]
Abstract
Hemostasis preserves blood fluidity and prevents its loss after vessel injury. The maintenance of blood fluidity requires a delicate balance between pro-coagulant and fibrinolytic status. Endothelial cells (ECs) in the inner face of blood vessels maintain hemostasis through balancing anti-thrombotic and pro-fibrinolytic activities. Dyslipidemias are linked to hemostatic alterations. Thus, it is necessary a better understanding of the underlying mechanisms linking hemostasis with dyslipidemia. Statins are drugs that decrease cholesterol levels in the blood and are the gold standard for treating hyperlipidemias. Statins can be classified into natural and synthetic molecules, approved for the treatment of hypercholesterolemia. The classical mechanism of action of statins is by competitive inhibition of a key enzyme in the synthesis pathway of cholesterol, the HMG-CoA reductase. Statins are frequently administrated by oral ingestion and its interaction with other drugs and food supplements is associated with altered bioavailability. In this review we deeply discuss the actions of statins beyond the control of dyslipidemias, focusing on the actions in thrombotic modulation, vascular and cardiovascular-related diseases, metabolic diseases including metabolic syndrome, diabetes, hyperlipidemia, and hypertension, and chronic diseases such as cancer, chronic obstructive pulmonary disease, and chronic kidney disease. Furthermore, we were prompted to delved deeper in the molecular mechanisms by means statins regulate coagulation acting on liver, platelets, and endothelium. Clinical evidence show that statins are effective regulators of dyslipidemia with a high impact in hemostasis regulation and its deleterious consequences. However, studies are required to elucidate its underlying molecular mechanism and improving their therapeutical actions.
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Affiliation(s)
- Yolanda Prado
- Faculty of Life Sciences, Universidad Andres Bello, Santiago, Chile
- Millennium Institute on Immunology and Immunotherapy, Santiago, Chile
| | - Diego Aravena
- Faculty of Life Sciences, Universidad Andres Bello, Santiago, Chile
- Millennium Institute on Immunology and Immunotherapy, Santiago, Chile
| | - Felipe M Llancalahuen
- Faculty of Life Sciences, Universidad Andres Bello, Santiago, Chile
- Millennium Institute on Immunology and Immunotherapy, Santiago, Chile
| | - Cristobal Aravena
- Faculty of Life Sciences, Universidad Andres Bello, Santiago, Chile
- Millennium Institute on Immunology and Immunotherapy, Santiago, Chile
| | - Felipe Eltit
- Department of Urologic Sciences, University of British Columbia, Vancouver, Canada
- Vancouver Prostate Centre, Vancouver, Canada
| | - Cesar Echeverría
- Laboratory of Molecular Biology, Nanomedicine and Genomics, Faculty of Medicine, University of Atacama, Copiapo, Chile
| | - Sebastian Gatica
- Faculty of Life Sciences, Universidad Andres Bello, Santiago, Chile
- Millennium Institute on Immunology and Immunotherapy, Santiago, Chile
| | - Claudia A Riedel
- Faculty of Life Sciences, Universidad Andres Bello, Santiago, Chile
- Millennium Institute on Immunology and Immunotherapy, Santiago, Chile
| | - Felipe Simon
- Faculty of Life Sciences, Universidad Andres Bello, Santiago, Chile.
- Millennium Institute on Immunology and Immunotherapy, Santiago, Chile.
- Millennium Nucleus of Ion Channel-Associated Diseases, Santiago, Chile.
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Yu T, Shen R, You G, Lv L, Kang S, Wang X, Xu J, Zhu D, Xia Z, Zheng J, Huang K. Machine learning-based prediction of the post-thrombotic syndrome: Model development and validation study. Front Cardiovasc Med 2022; 9:990788. [PMID: 36186967 PMCID: PMC9523080 DOI: 10.3389/fcvm.2022.990788] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2022] [Accepted: 08/25/2022] [Indexed: 12/02/2022] Open
Abstract
Background Prevention is highly involved in reducing the incidence of post-thrombotic syndrome (PTS). We aimed to develop accurate models with machine learning (ML) algorithms to predict whether PTS would occur within 24 months. Materials and methods The clinical data used for model building were obtained from the Acute Venous Thrombosis: Thrombus Removal with Adjunctive Catheter-Directed Thrombolysis study and the external validation cohort was acquired from the Sun Yat-sen Memorial Hospital in China. The main outcome was defined as the occurrence of PTS events (Villalta score ≥5). Twenty-three clinical variables were included, and four ML algorithms were applied to build the models. For discrimination and calibration, F scores were used to evaluate the prediction ability of the models. The external validation cohort was divided into ten groups based on the risk estimate deciles to identify the hazard threshold. Results In total, 555 patients with deep vein thrombosis (DVT) were included to build models using ML algorithms, and the models were further validated in a Chinese cohort comprising 117 patients. When predicting PTS within 2 years after acute DVT, logistic regression based on gradient descent and L1 regularization got the highest area under the curve (AUC) of 0.83 (95% CI:0.76–0.89) in external validation. When considering model performance in both the derivation and external validation cohorts, the eXtreme gradient boosting and gradient boosting decision tree models had similar results and presented better stability and generalization. The external validation cohort was divided into low, intermediate, and high-risk groups with the prediction probability of 0.3 and 0.4 as critical points. Conclusion Machine learning models built for PTS had accurate prediction ability and stable generalization, which can further facilitate clinical decision-making, with potentially important implications for selecting patients who will benefit from endovascular surgery.
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Affiliation(s)
- Tao Yu
- Department of Emergency, Sun Yat-sen Memorial Hospital, Sun Yat-sen University, Guangzhou, China
| | - Runnan Shen
- Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou, China
| | - Guochang You
- Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou, China
| | - Lin Lv
- Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou, China
| | - Shimao Kang
- Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou, China
| | - Xiaoyan Wang
- Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou, China
| | - Jiatang Xu
- Department of Cardiovascular Surgery, Sun Yat-sen Memorial Hospital, Sun Yat-sen University, Guangzhou, China
| | - Dongxi Zhu
- Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou, China
| | - Zuqi Xia
- Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou, China
| | - Junmeng Zheng
- Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou, China
- Department of Cardiovascular Surgery, Sun Yat-sen Memorial Hospital, Sun Yat-sen University, Guangzhou, China
- Junmeng Zheng,
| | - Kai Huang
- Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou, China
- Department of Cardiovascular Surgery, Sun Yat-sen Memorial Hospital, Sun Yat-sen University, Guangzhou, China
- *Correspondence: Kai Huang,
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Zhu H, Zheng H, Xu T, Liu X, Liu X, Sun L, Pan XF, Mai W, Cai X, Huang Y. Effects of statins in primary and secondary prevention for venous thromboembolism events: A meta analysis. Vascul Pharmacol 2021; 142:106931. [PMID: 34763100 DOI: 10.1016/j.vph.2021.106931] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2021] [Revised: 10/11/2021] [Accepted: 11/03/2021] [Indexed: 01/14/2023]
Abstract
OBJECTIVE The associations between statins use and incidence or recurrence of venous thromboembolism (VTE) are controversial. We aimed to conduct a meta-analysis to reconcile the conflicting results. METHODS We searched PubMed, Embase and Cochrane Library for studies published from database inception until May 31, 2021. Cohort studies and Randomized Controlled Trials that reported incidence or recurrence of VTE using statins compared with placebo or non-statins were included for meta-analysis. RESULTS A total of 43 studies comprising over 8.6 million participants were included for analysis. The median follow-up duration was 38.1 months. Compared with no statins treatment, statins appeared to have a protective effect in primary prevention of VTE (RR 0.78, 95% CI 0.72-0.85), but significant heterogeneity was found among included studies (I2 = 81%). Statins was also associated with a 26% reduced risk of recurrent VTE (RR 0.74, 95% CI 0.70-0.78), even in patients receiving anticoagulant therapy (RR 0.77, 95% CI 0.65-0.92). In patients with a history of VTE, statins was associated with a reduced risk of bleeding and all cause mortality. The NNT of statins to prevent one case of VTE in the cancer population, and one case of recurrent VTE in patients with a history of VTE was 103.1 and 90.7 person-years respectively. CONCLUSION In high-risk patients, statins treatment may reduce the incidence of VTE. Statins can also reduce the risk of recurrent VTE and all-cause mortality in patients with a history of VTE.
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Affiliation(s)
- Hailan Zhu
- Department of Cardiology, Shunde Hospital, Southern Medical University (The First People's Hospital of Shunde), NO. 1 Jiazi Road, Lunjiao, Shunde District, Foshan city, Guangdong 528308, China
| | - Haoxiao Zheng
- Department of Cardiology, Shunde Hospital, Southern Medical University (The First People's Hospital of Shunde), NO. 1 Jiazi Road, Lunjiao, Shunde District, Foshan city, Guangdong 528308, China
| | - Tianyu Xu
- State Key Laboratory of Cardiovascular Disease, Heart Failure Center, Fuwai Hospital, National Center for Cardiovascular Diseases, Chinese Academy of Medical Sciences and Peking Union Medical College, 167 Beilishi Road, Beijing 100037, China
| | - Xinyue Liu
- Department of Cardiology, Shunde Hospital, Southern Medical University (The First People's Hospital of Shunde), NO. 1 Jiazi Road, Lunjiao, Shunde District, Foshan city, Guangdong 528308, China
| | - Xiong Liu
- Department of Cardiology, Shunde Hospital, Southern Medical University (The First People's Hospital of Shunde), NO. 1 Jiazi Road, Lunjiao, Shunde District, Foshan city, Guangdong 528308, China
| | - Lichang Sun
- Department of Cardiology, Shunde Hospital, Southern Medical University (The First People's Hospital of Shunde), NO. 1 Jiazi Road, Lunjiao, Shunde District, Foshan city, Guangdong 528308, China
| | - Xiong-Fei Pan
- Division of Epidemiology, Department of Medicine, Vanderbilt University Medical Center, Nashville, TN, USA
| | - Weiyi Mai
- Department of Cardiology, The First Affiliated Hospital of Sun Yat-sen University, Guangzhou 510080, China
| | - Xiaoyan Cai
- Department of Scientific Research and Education, Shunde Hospital, Southern Medical University, Foshan, China
| | - Yuli Huang
- Department of Cardiology, Shunde Hospital, Southern Medical University (The First People's Hospital of Shunde), NO. 1 Jiazi Road, Lunjiao, Shunde District, Foshan city, Guangdong 528308, China; The George Institute for Global Health, NSW 2042, Australia.
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Mu S, Fang Y, Pei Z, Lin Y, Lin K, Zeng Z, Zhou L, Wang Z, Wang S. Outcomes of Preinjury Use of Statins in Patients with Traumatic Brain Injury: A Systematic Review and Meta-analysis. World Neurosurg 2021; 152:e266-e278. [PMID: 34058359 DOI: 10.1016/j.wneu.2021.05.083] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2021] [Revised: 05/20/2021] [Accepted: 05/20/2021] [Indexed: 10/21/2022]
Abstract
BACKGROUND No completely effective pharmacotherapies have been developed to improve the outcomes of traumatic brain injury (TBI). Given the reporting of cohort studies suggesting that preinjury statin use may reduce TBI-associated mortality, this study aimed to evaluate the effects of statin use in patients with TBI. METHODS This study was performed according to the PRISMA guidelines. The PubMed, Embase, Cochrane Central, Web of Science, and China National Knowledge Infrastructure databases were searched from inception until April 13, 2021, using a search strategy that included 2 main terms: "statins" and "traumatic brain injury." The outcomes were mortality, hospital length of stay, and intensive care unit length of stay, which were evaluated using a random-effects model and represented by the pooled risk ratio with 95% confidence intervals. RESULTS The search results identified 7 eligible studies, with a total of 111,935 patients with brain injury. Preinjury statin use in patients with TBI was associated with a significantly decreased risk of mortality compared with that in nonusers (risk ratio, 0.75; 95% confidence interval, 0.59-0.94; I2 = 53%). Subgroup analysis showed that statin withdrawal might increase mortality. Sensitivity analysis showed that the results were stable and robust. CONCLUSIONS Preinjury statin use may contribute to mortality reduction in patients with TBI, whereas statin withdrawal might increase mortality. In clinical management, statin use should not be discontinued after TBI.
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Affiliation(s)
- Shuwen Mu
- Fuzong Clinical Medical College of Fujian Medical University, Fuzhou, Fujian, China
| | - Yi Fang
- Fuzong Clinical Medical College of Fujian Medical University, Fuzhou, Fujian, China
| | - Zhijie Pei
- Fuzong Clinical Medical College of Fujian Medical University, Fuzhou, Fujian, China
| | - Yinghong Lin
- Fujian University of Traditional Chinese Medicine, Fuzhou, Fujian, China
| | - Kunzhe Lin
- Department of Neurosurgery, Affiliated Fuzhou First Hospital of Fujian Medical University, Fuzhou, Fujian, China
| | - Zihuan Zeng
- Department of Neurosurgery, 900th Hospital, Fuzong Clinical Medical College of Fujian Medical University, Fuzhou, Fujian, China
| | - Longmin Zhou
- Department of Neurosurgery, 900th Hospital, Fuzong Clinical Medical College of Fujian Medical University, Fuzhou, Fujian, China
| | - Zhengjun Wang
- Department of Gastroenterology, 900th Hospital, Fuzong Clinical Medical College of Fujian Medical University, Fuzhou, Fujian, China
| | - Shousen Wang
- Fuzong Clinical Medical College of Fujian Medical University, Fuzhou, Fujian, China; Department of Neurosurgery, 900th Hospital, Fuzong Clinical Medical College of Fujian Medical University, Fuzhou, Fujian, China.
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Suh D, Amendola MF, Reeves M, Wolfe L, Posner M, Davis R. Statins Protect against Thrombosis of Cannulated Radiocephalic Fistulas in Diabetic Patients. Ann Vasc Surg 2021; 75:280-286. [PMID: 33549796 DOI: 10.1016/j.avsg.2021.01.073] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2020] [Revised: 12/29/2020] [Accepted: 01/07/2021] [Indexed: 10/22/2022]
Abstract
BACKGROUND Radiocephalic arteriovenous fistula (RCAVF) creation is the preferred first line hemodialysis access procedure. Analysis of diabetic rat arteriovenous fistula model indicates improved vascular function with HMG-CoA-Reductase Inhibitor (statin) use. We predict similar outcomes in diabetic patients undergoing primary RCAVF placement. METHODS A Veterans Administration Hospital dialysis access database over a 15-year period was queried identifying all RCAVF placements in diabetic patients. Patients were stratified into statin medication usage or not at RCAVF creation. Outcomes examined include rate of successful cannulation, functional patency duration, interventions per access, and rates of access thrombosis. Thrombosis-free survival of cannulated RCAVFs were compared using Kaplan-Meier method with log-rank analysis followed by univariate, stepwise logistic regression and ROC curve analysis. RESULTS Total number of 123 RCAVF cases were performed in 122 diabetic male patients. At the time of RCAVF placement, 92 cases were performed on patients that were taking statin medication and 31 cases were performed on patients that were not taking statin medication. There was no difference in terms of rate of successful cannulation, functional patency duration, and number of interventions per access between the statin and non-statin groups. However, rate of RCAVF thrombosis once accessed was significantly lower in the statin group compared to the non-statin group (P = 0.0005). Kaplan-Meier survival curve for each group were compared using log-rank test to reveal that diabetic patients who were on statin therapy at the time of operation had significantly higher access survival over time against thrombosis once it was cannulated for dialysis treatment compared to those who were not on statin therapy (P = 0.0003). Univariate, stepwise logistic regression model indicated statin use as the only significant factor associated with lack of thrombosis (P = 0.05). CONCLUSIONS Statins appear to have protective effects against RCAVF thrombosis as predicted in animal models for diabetic patients undergoing primary RCAVF placements. There were similar functional outcomes in terms of rate of successful cannulation, functional patency duration, and number of interventions per access. These data should encourage further investigation of statins and their role in hemodialysis access.
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Affiliation(s)
- Dongjin Suh
- Virginia Commonwealth University School of Medicine, Richmond, VA.
| | - Michael F Amendola
- Virginia Commonwealth University Health System, Richmond, VA; Central Virginia VA Health Care System, Richmond, VA
| | - Megan Reeves
- Virginia Commonwealth University School of Medicine, Richmond, VA
| | - Luke Wolfe
- Virginia Commonwealth University Health System, Richmond, VA
| | - Marc Posner
- Virginia Commonwealth University Health System, Richmond, VA; Central Virginia VA Health Care System, Richmond, VA
| | - Ronald Davis
- Central Virginia VA Health Care System, Richmond, VA
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Li R, Yuan M, Yu S, Fu W, Yu W, Ling S, Sun J, Chen Y. Effect of statins on the risk of recurrent venous thromboembolism: A systematic review and meta-analysis. Pharmacol Res 2021; 165:105413. [PMID: 33412275 DOI: 10.1016/j.phrs.2020.105413] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/16/2020] [Revised: 12/20/2020] [Accepted: 12/23/2020] [Indexed: 11/19/2022]
Abstract
BACKGROUND Recent studies have suggested that statins may be associated with a lower risk of recurrent venous thromboembolism (VTE). METHODS We systematically searched PubMed, Web of Science and Cochrane Library from inception until May 2020 to identify any eligible studies that reported the association between statin use and the risk of recurrent VTE, and conducted a comprehensive systematic review and meta-analysis (PROSPERO registration number: CRD42020190169) on this matter. RESULTS A total of 14 observational studies were included for qualitative review and 12 of them qualified for meta-analyses. The main meta-analysis found that statin use was associated with a lower risk of disease recurrence among patients with VTE (pooled adjusted HR: 0.76, 95% CI: 0.69-0.83), which was robust in sensitivity analyses and free of significant publication bias. Additionally, such association was present when restricting to periods after anticoagulation withdrawal (pooled adjusted HR: 0.78, 95% CI: 0.70-0.88) and when separately analyzing recurrent deep vein thrombosis (pooled adjusted HR: 0.71, 95% CI: 0.62-0.81) and recurrent pulmonary embolism (pooled adjusted HR: 0.80, 95% CI: 0.66-0.97; P = 0.027). Furthermore, statin use in patients with VTE was also found to be associated with a lower risk of all-cause mortality (adjusted HR: 0.65, 95% CI: 0.56-0.77), and possibly an even lower risk of bleeding (adjusted HR: 0.88, 95% CI: 0.73-1.07), albeit not statistically significant. CONCLUSION Statins have the potential to reduce recurrent events among patient with VTE. Randomized clinical trials to better explore the effect of statins in secondary prevention of VTE are warranted.
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Affiliation(s)
- Ruihao Li
- Department of Vascular Surgery, Second Affiliated Hospital of Chongqing Medical University, #74 Linjiang Road, Yuzhong District, Chongqing, 400010, China
| | - Manqiu Yuan
- Department of Laboratory Medicine, First Hospital of Lanzhou University, #1 Western Donggang Road, Chengguan District, Lanzhou, 730000, China
| | - Shixiong Yu
- Department of Vascular Surgery, Second Affiliated Hospital of Chongqing Medical University, #74 Linjiang Road, Yuzhong District, Chongqing, 400010, China
| | - Wenlong Fu
- Department of Vascular Surgery, Second Affiliated Hospital of Chongqing Medical University, #74 Linjiang Road, Yuzhong District, Chongqing, 400010, China
| | - Wu Yu
- Department of Vascular Surgery, Second Affiliated Hospital of Chongqing Medical University, #74 Linjiang Road, Yuzhong District, Chongqing, 400010, China
| | - Siying Ling
- Department of Vascular Surgery, Second Affiliated Hospital of Chongqing Medical University, #74 Linjiang Road, Yuzhong District, Chongqing, 400010, China
| | - Jianming Sun
- Department of Vascular Surgery, Second Affiliated Hospital of Chongqing Medical University, #74 Linjiang Road, Yuzhong District, Chongqing, 400010, China
| | - Yikuan Chen
- Department of Vascular Surgery, Second Affiliated Hospital of Chongqing Medical University, #74 Linjiang Road, Yuzhong District, Chongqing, 400010, China.
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Prevention and Management of the Post-Thrombotic Syndrome. J Clin Med 2020; 9:jcm9040923. [PMID: 32230912 PMCID: PMC7230648 DOI: 10.3390/jcm9040923] [Citation(s) in RCA: 29] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2020] [Revised: 03/19/2020] [Accepted: 03/24/2020] [Indexed: 12/13/2022] Open
Abstract
The post-thrombotic syndrome (PTS) is a form of chronic venous insufficiency secondary to prior deep vein thrombosis (DVT). It affects up to 50% of patients after proximal DVT. There is no effective treatment of established PTS and its management lies in its prevention after DVT. Optimal anticoagulation is key for PTS prevention. Among anticoagulants, low-molecular-weight heparins have anti-inflammatory properties, and have a particularly attractive profile. Elastic compression stockings (ECS) may be helpful for treating acute DVT symptoms but their benefits for PTS prevention are debated. Catheter-directed techniques reduce acute DVT symptoms and might reduce the risk of moderate-severe PTS in the long term in patients with ilio-femoral DVT at low risk of bleeding. Statins may decrease the risk of PTS, but current evidence is lacking. Treatment of PTS is based on the use of ECS and lifestyle measures such as leg elevation, weight loss and exercise. Venoactive medications may be helpful and research is ongoing. Interventional techniques to treat PTS should be reserved for highly selected patients with chronic iliac obstruction or greater saphenous vein reflux, but have not yet been assessed by robust clinical trials.
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