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What is HAT?

Hospital Acquired Thrombosis (HAT) is defined as any episode of venous thromboembolism arising in the 90 days following admission to hospital (Department of Health 2010).

More at risk patients are:

  • Overweight

  • Old age

  • Oncology

  • Obstetric

  • On-going medical conditions

  • Operation - those patients having surgery


Useful HAT contacts 

Rhianwen Griffiths/ Delyth Williams 

Thromboprophylaxis Specialist Nurse (YG) Tel 4663

Christine Welburn

Thromboprophylaxis Specialist Nurse (YGC) Bleep 4160

Lisa Pemberton 

Thromboprophylaxis Specialist Nurse (Wrx) 

Bleep 5304

Clinical Leads

  • Dr Karen Mottart (West)

  • Mr Amir Hanna (Central)

  • Dr David Watson (East)



Hospital Acquired Thrombosis


Glan Clwyd Hospital and Wrexham Maelor are now VTE Exemplar Centres

AAA HAT winner 2019.jpg
NHS Wales award 2019.jpg
HSJ Value Awards 2019_HIGHLY COMMENDED__
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