EUROPEAN VENOUS REGISTRY
An international registry of data on the treatments and outcomes of people with deep venous disease, designed to generate scientific evidence to improve clinical decision making
WHAT THE EVeR REGISTRY PROVIDES:
Benchmarking dataon activity and outcomes
A data repository to enhance clinical research
Outcomeson individual interventions and medical devices
MEDICAL CENTRES
Medical centers in Europe treating deep venous diseases and contributing at least 5 cases per year to the registry enjoy the these benefits:
- PAccess benchmarking reports
- PBenefit from publication opportunities
- PGet one free ESVS membership
- PReceive financial reimbursement
A collaborative Europe-wide registry across lines of treatment discipline, contributed by multiple centres:
Founding Key Opinion Leaders
Key Opinion Leaders
Antonio Rosales
Gustaf Tegler
Industry partners
Join our registry today to access annual benchmarking reports and more. Calling all medical device manufacturers for stents, IVUS, CDT, and non-invasive treatments – become an Industry Partner and optimise your device performance.
Monitor and evaluate the quality of healthcare delivered
Meet your regulatory requirements
Advance research and science for the benefit of patients
Founding Industry Partners
Industry Partner
Associate Industry Partner
EVeR maintains full scientific independence. Day-to-day operations are managed by the Steering Committee Chair and Secretary, while the Steering Committee makes all final decisions regarding the registry.
In collaboration with:
European Vascular Research Collaborative (EVRC)
European Research Hub (ERH)
Information for Patients
As a patient, your surgeon or medical staff may ask for your consent to add your data to EVeR registry.
Learn more about the registry and the importance of your consent.
Navigation Tutorials
Step-by-step video tutorials designed to guide you through navigating and managing the registry with ease
How to Enter Conservatively Treated Patient Records
How to Review and Edit patient data in the Registry
How to Reset Your Password and Manage Your Account
How to Export Data from the Registry
How to Add Follow-Up Data
How to enter a surgically treated patient data
EVeR COMMITTEE
The European Venous Registry (EVeR) Steering Committee is responsible for the strategic and scientific oversight of the Registry. It ensures the quality of the registry’s design, data monitoring, analysis, and stakeholder engagement.
The committee safeguards the registry’s scientific integrity and guides its development to improve venous care across Europe.
Prof. Robert Hinchliffe, United Kingdom
Chairman
Dr. Julie Bayley
Prof. Stephen Black
Dr. Sam Hawley
Dr. Arina ten Cate-Hoek
Dr. Mert Meric
Dr. Gerry O’Sullivan
Dr. Baris Ozdemir
Dr. Sebastian Probst
European Venous Registry launches pilot to advance deep venous intervention evidence
The EVeR registry has entered its pilot phase, marking an important step in building a robust evidence base for the treatment of deep venous disease. Led by the European Society for Vascular Surgery and involving leading centres across Europe, the registry will collect long-term real-world data on outcomes of deep venous interventions, supporting clinical decision-making and regulatory requirements. This initiative aims to improve patient care and inform future treatment strategies across Europe.
A Core Outcome Set for Clinical Studies on Chronic Venous Disease Involving the Deep Veins
Venous experts, including EVeR’s Key Opinion Leaders (KOLs), working alongside the European Research Hub (ERH), have developed a Core Outcome Set. This set will support the registry in standardising outcome reporting, improving data quality, and enabling meaningful comparison of treatment strategies across Europe.
Frequently Asked Questions by Centres
What is EVeR Registry?
European Venous Registry (EVeR) is a database designed to collect and analyse data from participating centres to improve clinical outcomes and research related to Deep Vein Thrombosis (DVT).
Who can participate in EVeR?
Hospitals, research institutions, and clinical centres in Europe specializing in vascular medicine and thromboembolic diseases are eligible to participate.
What are the inclusion criteria for EVeR ?
All patients aged 18 and over with iliofemoral deep venous (DV) disease, whether acute or chronic, are eligible for inclusion in EVeR.
This includes patients who:
- Receive thrombectomy, venous stenting, or other interventions.
- Do not undergo any intervention but have confirmed iliofemoral deep venous disease.
- Have an imaging-confirmed new diagnosis involving the iliac and/or common femoral veins, with or without extension to the inferior vena cava (IVC).
- Are able to provide informed consent for registry participation.
Is there reimbursement for participating centres?
Yes. Centres receive €150 per patient, distributed over different follow-up stages:
- €50 after pre-operative, procedural, and 3-month follow-up data submission.
- €50 after 1-year, 2-year, and 3-year follow-up data submission.
- €50 after 4-year and 5-year follow-up data submission.
Is there additional reimbursement for setup costs or overheads?
No. EVeR Registry does not provide additional reimbursement for site setup, administrative overheads, or other indirect costs associated with participation.
How often is reimbursement processed?
Reimbursement is processed monthly upon receipt of:
- An invoice from the participating centre.
- A patient consent form (if applicable) for the first stage of data submission.
How is patient data protected in the Registry?
All data is encrypted and stored on secure servers compliant with GDPR and other relevant data protection regulations. Only authorized personnel have access to the data.
Can my institution access and download the data we have submitted?
To ensure the security and integrity of the registry, different user roles are assigned with specific access levels. Only the physician, as the official record owner, has permission to export data from the registry portal.
Designated delegates (e.g., research nurses) can enter data on behalf of the physician but cannot download or export it.
What governance structure oversees the Registry?
EVeR Registry is governed by the European Society for Vascular Surgery (ESVS) Executive Committee, which approves the project plan, business model, and budget. The Steering Committee oversees the design, data monitoring, and stakeholder management, while various advisory boards provide feedback and recommendations.
Are non-procedural patients (e.g. those managed conservatively for DVT) eligible?
Yes — these cases are essential for future analysis and benchmarking.
Is extensive medical history required?
No — only anticoagulation status and core clinical information are needed.
Can patients be co-enrolled in other trials?
Yes, subject to local trial policies.
What approvals are needed for a centre to contribute data to EVeR?
Centres must establish the necessary legal and operational agreements with the registry sponsor, the European Society for Vascular Surgery (ESVS). Prior to participating in the registry and submitting data, centres are also required to obtain ethical approval from their local or national ethics committees. Additionally, written informed consent must be obtained from each patient before any data can be collected or processed. Without patient consent, inclusion in the registry is not permitted.
Where will the data be stored?
Although the registry is developed and maintained by Dendrite, a UK-based company, all data is securely hosted at OVHcloud’s data centres located in Roubaix, France, within the European Union.
What are the data protection measures for EVeR Registry?
The registry complies with GDPR and other legal requirements. Data is pseudonymized and securely stored within an ISO 27001-accredited EU data centre provided by Dendrite. Regular audits and security assessments ensure compliance with NHS Information Governance and Cyber Essentials Plus certification.
What steps must researchers follow to access EVeR Registry data?
To request access, researchers must:
- Submit an application to the Steering Committee, including:
- A CV demonstrating research capability.
- A standardized proforma outlining study objectives, methodology, and ethical considerations.
- Obtain ethical approval (if required).
- Sign a Data Sharing Agreement, confirming:
- Compliance with GDPR & data security protocols.
- Use of data only for the approved research purpose.
- Commitment to responsible data handling.
- Submit official certification of ethics approval (where required).
What criteria are used to evaluate research applications?
The Steering Committee assesses applications based on:
- Alignment with the registry’s scientific objectives.
- Scientific integrity and feasibility of the study.
- Compliance with GDPR and ethical standards.
- Whether appropriate ethical approval has been obtained or is required.
Do researchers need ethical approval for their study?
In some countries, generic approval covers all research using the EVeR Registry, and no additional ethics application is needed.
If generic approval does not apply in a particular country or for a specific type of study, the researcher must obtain individual ethics approval from a recognized ethics review board.
Additionally, organisations where the research is conducted (such as NHS sites) must grant R&D permission before researchers can proceed with studies using the database.
How do I enter patient data into the registry?
Data can be entered through the secure online platform provided to participating centres. Each centre will receive login credentials and training materials.
What should I do if I encounter technical issues with the platform?
If you experience any technical issues, please contact the EVeR Registry support team at +44 20 8949 8999 or national-support@e-dendrite.com.
Please provide a detailed description of the issue, including any error messages, and cc. nhi@esvs.org
Can non-physicians with GCP training obtain consent?
Yes, if they meet local training requirements.
Stay Updated with EVeR
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More details
Patient informed consent form which is required to be signed by the patient before any of her/his data is entered in the registry.
More questions? Do not hesitate to contact our team.
- For Data Privacy questions or to exercise your rights
- General questions about the Registry
