Mechanical heart valve replacement vs Biological valve?

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Dear Sir or Madam,
There are four heart valves
1)The tricuspid valve.
2)The pulmonary valve.
3)The mitral valve.
4)The aortic valve.

There are two types of heart valve replacement.
1)The mechanical heart valve ....(which lasts for all pracitcal purposes forever)
2)The biological valve.....(which lasts about fifteen years ...on average)

The questions I am asking are.
1)Which type of existing heart valve is replaced by which choice of heart valve(mechanical vs biological)?
2)What are the mortality rates from the initial operation in the short term(1 year) and the long term...for each type of heart valve operation and the chosen replacement?
3)How often do the mechanical and biological valves require replacement?
4)Who makes the biological and mechanical heart valves used at your hospital.

For the time period I would like two statistical snap shots from
a)A time period of such length as to be useful for a long term study .
b)The heart valves used over the last year.

Yours faithfully,

Paul GaffneyLLB BA

Knowles, Jacqueline, University Hospital of North Staffordshire NHS Trust

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Good Afternoon

 

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Kind Regards

 

Jackie

 

Jacqueline Knowles
Information Governance Secretary                       Clinical
Governance, Audit and Risk Department

University Hospital of North Staffordshire NHS Trust

Computer Building, Royal Infirmary, Princes Road, Hartshill,

Stoke-on-Trent, ST4 7LN

 

Tel: 01782 55(5349)

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Richard Taylor left an annotation ()

Sensitive personal information relating to 488 patients who underwent heart surgery over a 2 year period was accidentally released by University Hospital of North Staffordshire NHS Trust in their response to this request.

Due to its sensitivity this response has been destroyed.

We sought a replacement response but none was forthcoming.

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Richard - WhatDoTheyKnow.com volunteer