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Last Updated: Tuesday, 26 August, 2003, 00:27 GMT 01:27 UK
'No-one knew about my blood condition'
Jane Elliott
BBC News Online health staff

James Slattery-Kavanagh
Clots are a risk for people with Protein S Deficiency
Each week for six weeks James Slattery-Kavanagh complained to his GP about a problem in his legs.

His doctor told him he thought the strange marks were insect bites.

But James was sure there was a deeper problem.

Eventually he could not walk and rushed to casualty, where doctors diagnosed a deep vein thrombosis.


A year later James suffered from a pulmonary embolism - or clot in the lung.

But doctors were still mystified at what was causing James problems.

All they could tell me is that Protein S was life threatening
James Slattery-Kavanagh

He was only in his 20s and had not been on any long distance flights and there seemed no obvious reason for his problems.

But a series of tests revealed he was suffering from a genetic condition called Protein S Deficiency.

Protein S is an anti-coagulant, but people with a deficiency are at greater risk of suffering from blood clots.

He bruises more easily than other people, has bad varicose veins and poor circulation.

He takes daily blood thinners so even a trip to the dentist takes weeks of planning to ensure that does not lose too much blood during any treatment.

Protein S Deficiency is very rare and only affects about one person in 200,000 in the UK population.


James found it was so rare that he had no-one to turn to for information and support. So the web designer set up his own page to allow sufferers like himself make contact and share experiences.

"All they could tell me is that Protein S was life threatening, but that they can't do anything about it.

"I went for a few years not knowing anything about it. So I put something up and then I started getting emails from all over the world from people saying they had the same thing."

Many people had worrying tales to tell. Some told of heart attacks or relatives who had suffered problems and others who had difficulty conceiving or sustaining a pregnancy because of their condition.

He said the web-site helped users keep informed about medical breakthroughs, health insurance and useful advice about where to get medic alert bracelets, to warn people of their condition in case of an accident.


He said the website helped to fill knowledge gaps.

"I think the NHS does a very good job in the primary care, but is not interested in preventative work. There is nobody following up on you afterwards. You are just left to get on with it."

Dr Rooben Arya, consultant haematologist at King's College, London, said patients like James could do certain things to avoid problems.

"There are certain things they can do to avoid the risks of clots.

"In someone who is Protein S deficient they can avoid clots by avoiding the oral contraceptive pill, avoiding hormone replacement therapy and taking prophylactic measures if they are having surgery or have to face a flight of more than four hours."

Safe treatment for blood clots
24 Feb 03  |  Health
Clot drug 'safer than warfarin'
03 Apr 03  |  Health
Deep vein thrombosis
08 Feb 03  |  C-D

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