VASCA Working Group, built upon Multidisciplinary Centres of Excellence for Vascular Anomalies

The Vascular Anomalies Working Group (VASCA-WG) is one of the five Rare Disease Working Groups (RDWGs) of VASCERN that specialize in a particular type/group of rare vascular disease(s).

The VASCA-WG is chaired by Professors Miikka VIKKULA and Laurence BOON, from the Centre for Vascular Anomalies at Cliniques Universitaires Saint-Luc in Brussels, Belgium, and Co-Chaired by Professor Leo SCHULTZE KOOL from the Expert Center for Hemangioma and Vascular Anomalies (HECOVAN) at Radboudumc in Nijmegen, Netherlands.

The VASCA-WG cooperates with the European Patient Advocacy Group (ePAG), whose representatives participating in the VASCA-WG are ePAG Co-Chair for VASCA, Caroline VAN DEN BOSCH (HEVAS) and ePAG Deputy Co-Chair Maria BAREA (VASCAPA).

The VASCA-WG members are also active in the International Society of the Study of Vascular Anomalies (ISSVA), which is based in the USA. VASCA-WG members are on the ISSVA scientific committee and the ISSVA Board. Thanks to this, they are part of a major international network with clinicians within the EU and the rest of the world and have been implicated in the identification of most of the genes involved in vascular anomalies and are active in research testing new targeted therapies.

The Center for Vascular Anomalies at Cliniques universitaires Saint-Luc in Brussels Belgium (and other HCP members of the VASCA-WG) takes care of a whole variety of pathologies within the field of Vascular anomalies (see: Wassef et al., Revised classification of Vascular Anomalies, 2015 Pediatrics, and ISSVA web-site).

The Rare Diseases included in this ERN Diseases Working Group are (non exhaustive list):

Bases for the estimated incidence and prevalence numbers: 500 Million inhabitants within European union with about 6 million newborns annually.

sub-thematic areas of expertiseRare or complex disease(s) or condition(s) or highly specialized interventionsCode/ICD/ Orphacode / Group of CodesIncidence (Number of cases / year) (in the EU)Prevalence (in the EU)
VASCARare arteriovenous malformation ORPHA21126612010000
VASCABlue Rubber Bleb Nevus syndrome ORPHA10596500
VASCACapillary malformation-arteriovenous malformation ORPHA137667 12010000
VASCACerebral arteriovenous malformation ORPHA46724
VASCACLAPO syndrome ORPHA168984
VASCACLOVES syndrome ORPHA140944605000
VASCACutis Marmorata Telangiectatica Congenita ORPHA1556121000
VASCADiffuse neonatal hemangiomatosis ORPHA2123
VASCAFacial arteriovenous malformation ORPHA156230
VASCAFamilial cerebral cavernous malformationORPHA22106160050000
VASCADiffuse lymphatic anomaly ORPHA141209
VASCAGlomuvenous malformation ORPHA83454302500
VASCAGorham-Stout syndrome ORPHA736500
VASCAInfantile hemangioma of rare localization ORPHA210589
VASCAKaposiform hemangioendothelioma ORPHA2122
VASCAKlippel-Trénaunay-Weber syndromeORPHA2346605000
VASCALUMBAR association ORPHA83628
VASCARare lymphatic malformation ORPHA241560050000
VASCAMegalencephaly-capillary malformation-polymicrogyria syndromeORPHA60040121000
VASCAMacrocystic lymphatic malformation ORPHA79489
VASCAMaffucci syndrome ORPHA1636346500
VASCAMicrocystic lymphatic malformation ORPHA79490
VASCAMixed cystic lymphatic malformation ORPHA458792
VASCAMucocutaneous venous malformationORPHA2451
VASCANon-involuting congenital hemangioma ORPHA14117920500
VASCAPrimary intralymphatic angioendothelioma ORPHA458768
VASCAParkes-Weber syndromeORPHA90307302500
VASCAPartially-involuting congenital hemangiomaORPHA458785
VASCAPHACE syndromeORPHA42775
VASCAProteus syndrome ORPHA744 6500
VASCAPTEN hamartoma tumor syndrome ORPHA306498 302500
VASCAPulmonary arteriovenous malformation ORPHA2038
VASCARapidly involuting congenital hemangioma ORPHA141184605000
VASCARare capillary malformationORPHA211247 605000
VASCASACRAL associationORPHA2125
VASCASpindle cell hemangioma ORPHA210584
VASCASturge-Weber syndrome ORPHA320512010000
VASCATufted angiomaORPHA10633250
VASCARare venous malformation ORPHA2112521200100000
VASCAVerrucous hemangiomaORPHA464318
All HCP in the VASCA-WG are covering this sub-thematic area of expertise.

In this ERN, there is a specific WG for Pediatric and Primary Lymphedemas.

Hereditary hemorrhagic telangiectasia (HHT, orphanet: 774, ICD‐10: I78.0) is also a vascular anomaly, but for historical reasons specialised centers have been build up for that single diseases on the past. HHT is included as a separate WG within the ERN (see HHT WG).

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BELGIUM

Cliniques universitaires Saint-Luc,  Brussels, Belgium

VASCERN VASCA European Reference Centre, Center for Vascular Anomalies

Chair

Prof. Miikka VIKKULA
Molecular Geneticist

Prof. Laurence M. BOON
Plastic and Microsurgery Surgeon

ePAG Deputy Co-Chair

Maria BAREA

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NETHERLANDS

Radboud university medical center, Nijmegen, Netherlands

VASCERN VASCA European Reference Centre, Expert center for Hemangioma and Vascular Anomalies (Hecovan)

Co-Chair

Prof. Leo SCHULTZE KOOL
Interventional Radiologist

Dr. Carine VAN DER VLEUTEN
Dermatologist

ePAG Co-Chair

Caroline VAN DEN BOSCH

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FINLAND

Helsinki University Hospital, Helsinki, Finland

VASCERN VASCA European Reference Centre, Department of Pediatric Surgery

Prof. Päivi SALMINEN
Consultant Pediatric Surgeon

Dr. Kristiina KYRKLUND
Pediatric Surgeon

allemagne

GERMANY

University Medical Center Freiburg, Freiburg, Germany

VASCERN VASCA European Reference Centre, Center of Pediatrics and Adolescent Medicine

Dr. Friedrich KAPP
Pediatrician

Prof. Jochen RÖßLER
Pediatric Hematologist/Oncologist

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IRELAND

Our Lady’s Children’s Hospital Crumlin, Dublin, Ireland

VASCERN VASCA European Reference Centre, Dermatology Department

Prof. Alan IRVINE
Professor of Dermatology

Dr. Veronika DVORAKOVA
Consultant Dermatologist

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ITALY

Bambino Gesù Children’s Hospital, I.R.C.C.S, Rome, Italy

VASCERN VASCA European Reference Centre, Dermatology Department

Dr. Andrea DIOCIAIUTI
Interventional Dermatologist

Dr. May EL HACHEM
Dermatologist

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SWEDEN

Karolinska University Hospital, Stockholm, Sweden

VASCERN VASCA European Reference Centre, Department of Pediatric Surgery

Dr. Nader GHAFFARPOUR
Pediatric surgeon

Pr. Filip FARNEBO
Plastic surgeon

 

 

AFFILIATED PARTNERS

 

There are 2 types of affiliated partners:

  1. Associated National Centres (mainly healthcare providers) for those ERNs where an EU Member State is not yet represented by a full member in the respective ERN. It establishes a link with one specific ERN.
  2. A National Coordination Hub which establishes at once a link with more than one Network in which a given Member State is neither represented by a full member nor by an Associated National Centre. National Coordination Hubs may especially represent a useful solution for those Member States with very small populations that need to establish such links with many ERNs at once.

For all documents related to Affiliated Partners see the Board Statement States page here

 

Associated National Centres

CaptureAustria

AUSTRIA

University Hospital Graz, Graz, Austria

Department of Paediatric and Adolescent Surgery

Dr. Paolo GASPARELLA
Pediatric Surgeon

Pr Emir HAXHIJA
Pediatric Surgeon

Pills of Knowledge (PoK) are the deliverable for VASCERN Work Package 4 on Pills of Knowledge, defined as short single video lessons (of approximately 3-5 minutes long) in which an expert talks about a specific topic that has been selected and validated by the Rare Disease Working Groups (RDWGs).

Link to the playlist for the VASCA-WG on our YouTube Channel is here

Classification of Vascular Anomalies

Created by Prof. Laurence Boon (Plastic Surgeon, Coordinator of the Center for Vascular Anomalies, Cliniques Universitaires St Luc, Brussels, Belgium).

This Pill of Knowledge (PoK) gives a brief overview of the classification of vascular anomalies. It is intended for the medical community who is not familiar with these anomalies as it introduces the main types of vascular anomalies and their characteristics.

Video in English. Subtitles available in 8 European languages (English, Dutch, Finnish, French, German, Italian, Spanish and Swedish).

Diagnostic Approaches for Vascular Anomalies

Created by Dr. Friedrich Kapp (Physician Scientist, University Medical Center, Freiburg, Germany).

This Pill of Knowledge (PoK) talks about the diagnostic approaches for vascular anomalies. The various types of examination and tests involved in reaching an appropriate diagnosis are described. This PoK is a valuable tool for healthcare professionals and patients wanting to learn more about how vascular anomalies are diagnosed.

Video in English. Subtitles available in 8 European languages (English, Dutch, Finnish, French, German, Italian, Spanish and Swedish).

Multi-disciplinary Expertise Teams for Vascular Anomalies

Created by Prof. Leo Schultze Kool (Interventional Radiologist, Radboud University Medical Center, Nijmegen, Netherlands).

This Pill of knowledge (PoK) gives a brief summary of why multi-disciplinary expert teams are so necessary for the management and treatment of vascular anomalies. It is intended for the general public.

Video in English. Subtitles available in 8 European languages (English, Dutch, Finnish, French, German, Italian, Spanish and Swedish).

Management of Vascular Anomalies

Created by Dr. Kristiina Kyrklund (Pediatric Surgeon, Helsinki University Hospital, Helsinki, Finland)

In this Pill of Knowledge (PoK) Dr. Kristiina Kyrklund gives an introduction on the individualized management of vascular anomalies and how the chosen treatment is based on the characteristic symptoms and location of the anomaly. Suitable for both healthcare professsionals and patients.

Video in English. Subtitles available in 8 European languages (English, Dutch, Finnish, French, German, Italian, Spanish and Swedish).

The lymphatic system & lymphatic malformations (Lymfestelsel en lymfatische malformaties) – video in Dutch

This video, produced by the patient organisation HEVAS and validated by the VASCA-WG, talks about the lymphatic system and lymphatic malformations. This video has been made for patients and introduces the patient organisation HEVAS and their work.

View this video here

This video is now available in English (see below).

Treatments for lymphatic malformations (Behandelingen voor lymfatische malformaties) – video in Dutch

This video, produced by the patient organisation HEVAS and validated by the VASCA-WG, describes the treatments currently available for lymphatic malformations in a clear and understandable manner suited for patients.

View this video here

This video is now available in English (see below).

The lymphatic system & lymphatic malformations

This PoK video (produced by the patient organisation HEVAS and revised and validated by the VASCA-WG) gives an introduction on the lymphatic system and lymphatic malformations. It is intended for patients and the general public and uses simple language to explain the various medical terms discussed.

Video in English. Subtitles are currently available in 7 European languages (English, Dutch, French, German, Italian, Spanish and Swedish).

View this video here

Treatment of lymphatic malformations

This PoK video (produced by the patient organisation HEVAS and revised and validated by the VASCA-WG) presents the various treatment options for lymphatic malformations. It is intended for patients and the general public and uses simple language to explain the various medical terms and procedures discussed.

Video in English. Subtitles are currently available in 7 European languages (English, Dutch, French, German, Italian, Spanish and Swedish).

View this video here

Klippel-Trenaunay syndrome (KTS)

This PoK video, produced by the patient organisation HEVAS and validated by the VASCA-WG, gives an introduction to Klippel-Trenaunay syndrome (KTS), a congenital vascular bone syndrome. It is intended for patients and the general public and uses simple language to explain the clinical characteristics of this rare disease.

Video in English. Subtitles are currently available in 7 European languages (English, Dutch, French, German, Italian, Spanish and Swedish).

View this video here

Patient Pathways aim to improve the care and management of patients with a rare disease. They include the “red flags” that may lead to the suspicion of the disease, how to reach a definite diagnosis and the management and follow-up recommendations. They are a very important tool used in defining the best patient care and will be further validated and updated when needed.

 

The first Patient Pathway by the VASCA-WG on Severe/Rare Infantile Hemangioma (issued 20/03/2019) can be found here

 

 

 

 

German translation here

Italian translation here

Spanish translation here

Swedish translation here

 

The Capillary Malformation Patient Pathway (issued 29/04/2020) can be found here

 

 

 

 

 

 

The Venous Malformation Patient Pathway (issued 29/04/2020) can be found here

 

 

 

 

 

 

 

The Lymphatic Malformation Patient Pathway (issued 29/04/2020) can be found here

 

 

  1. Wassef M, Blei F, Adams D, Alomari A, Baselga E, Berenstein A, Burrows P, Frieden IJ, Garzon MC, Lopez-Gutierrez JC, Lord DJ, Mitchel S, Powell J, Prendiville J, Vikkula M; ISSVA Board and Scientific Committee. Vascular Anomalies Classification: Recommendations From the International Society for the Study of Vascular Anomalies. Pediatrics. 2015 Jul;136(1):e203-14. doi: 10.1542/peds.2014-3673. Epub 2015 Jun 8. Review.
  2. On the ISSVA web-site, the classification is available with more detailed genetic data: here
  3. Stillo et al. Vascular Anomalies Guidelines by the Italian Society for the Study of Vascular Anomalies (SISAV). Angiology, volume 34. April 2015, Suppl 1 to issue No. 2. (These guidelines will be discussed within the VASCA-WG for further development so as to establish first European guidelines).
  4. A. Elajmi, P. Clapuyt, F. Hammer, A.-C. Bataille, B. Lengele, L.M. Boon. Prise en charge des anomalies vasculaires chez l’enfant. Management of vascular anomalies in children. Annales de chirurgie plastique esthétique (2016). (These guidelines will be discussed within the VASCA-WG for further development so as to establish first European guidelines).

The VASCA-WG will also be working in tight collaboration with ISSVA, which is setting up working groups for establishment of best practice guidelines for various vascular anomalies.

VASCERN Vascular Anomalies (VASCA) Working Group COVID-19 Statement (March 20, 2020)– initiated by the patient advocacy groups in Europe and the United States and their medical advisory teams and approved by the VASCA WG.

This statement can equally be found in:

FrenchInformation COVID-19 pour les patients porteurs d’ Anomalies Vasculaires et/ou Lymphatiques

FinnishVASCERN Suonipoikkeavuuksien (VASCA) työryhmä – Tietoa koronaviruksesta (COVID-19) potilaille, joilla on vaikea suonipoikkeavuus

The VASCA-WG is currently working on creating other expert consensus statement documents on various rare vascular anomalies.

The VASCA-WG is currently working on defining their clinical outcome measures. They are involved in/actively following the ongoing OVAMA (Outcome Measures for Vascular Malformations) project.

The VASCA-WG is currently working on their Do’s and Don’ts Factsheets.

The VASCA Registry project consists of the creation of a FAIR registry dedicated to the diseases covered by the VASCA-WG. It has been designed to include the European core dataset as well as set of data specific to the rare diseases of VASCA.

More information on the Registry WG page here.

The VASCA-WG equally endorses the SECURE-VA registry, which aims to report the COVID-19 cases in Vascular Anomalies (VA) patients globally, in both children and adults.

 

Multicentre clinical trials:

The VASCA-WG currently has one clinical trial underway: The VASE (Vascular Anomaly-Sirolimus Europe) is phase III multicentric study evaluating the efficacy and safety of sirolimus in Vascular Anomalies that are refractory to standard care.

  • Year 1: Collaborative Publications

Blue Rubber Bleb Nevus (BRBN) Syndrome Is Caused by Somatic TEK (TIE2) Mutations.Soblet J, Kangas J, Nätynki M, Mendola A, Helaers R, Uebelhoer M, Kaakinen M, Cordisco M, Dompmartin A, Enjolras O, Holden S, Irvine AD, Kangesu L, Léauté-Labrèze C, Lanoel A, Lokmic Z, Maas S, McAleer MA, Penington A, Rieu P, Syed S, van der Vleuten C, Watson R, Fishman SJ, Mulliken JB, Eklund L, Limaye N, Boon LM, Vikkula M. J Invest Dermatol. 2017 Jan;137(1):207-216. doi: 10.1016/j.jid.2016.07.034. Epub 2016 Aug 9. PMID:27519652

Development of an international core outcome set for peripheral vascular malformations: the OVAMA project. Horbach SER, van der Horst CMAM, Blei F, van der Vleuten CJM, Frieden IJ, Richter GT, Tan ST, Muir T, Penington AJ, Boon LM, Spuls PI; OVAMA Consensus Group Br J Dermatol. 2017 Oct 7. doi: 10.1111/bjd.16029. [Epub ahead of print] PMID: 28986976

  • Year 2: Collaborative Publications 

No collaborative publications from the VASCA-WG between March 2018-February 2019.

  • Year 3-4: Collaborative Publications

* RASA1 mosaic mutations in patients with capillary malformation-arteriovenous malformation. Revencu N, Fastre E, Ravoet M, Helaers R, Brouillard P, Bisdorff-Bresson A, Chung CWT, Gerard M, Dvorakova V, Irvine AD, Boon LM, Vikkula M. J Med Genet. 2019 Jul 12. pii: jmedgenet-2019-106024. doi: 10.1136/jmedgenet-2019-106024. [Epub ahead of print] PMID:31300548

*A Clinical Feasibility Study To Image Angiogenesis in Patients With Arteriovenous Malformations Using 68Ga-RGD PET/CT. Lobeek D, Bouwman FCM, Aarntzen EHJG, Molkenboer-Kuenen JDM, Flucke UE, Nguyen HL, Vikkula M, Boon LM, Klein W, Laverman P, Oyen WJG, Boerman OC, Terry SYA, SchultzeKool LJ, Rijpkema M.J Nucl Med. 2019 Sep 13. pii: jnumed.119.231167. doi: 10.2967/jnumed.119.231167. [Epub ahead of print]

The Infantile Hemangioma Referral Score: A Validated Tool for Physicians. Léauté-Labrèze C, Baselga Torres E, Weibel L, Boon LM, El Hachem M, van der Vleuten C, Roessler J, Troilius Rubin A.Pediatrics. 2020 Apr;145(4):e20191628. doi: 10.1542/peds.2019-1628. Epub 2020 Mar 11.PMID: 32161112

* VASCERN acknowledged

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