Mechanical heart valve replacement vs Biological valve?

The request was partially successful.

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

Dear Paul Gaffney

Thank you for your request for information received on 01/12/2009

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Freedom of Information Office

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Dear Mr Paul Gaffney

Thank you for your request for information received on 01/12/2009.

Unfortunately, due to staff illness and leave taken over the holiday
period, we have not been able to respond to your request. Please know
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for any inconvenience caused by this delay.

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With kindest regards,

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References

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mailto:[BSUH request email]

Dear Mr Paul Gaffney

Thank you for your recent request for information under the Freedom of
Information (FOI) Act 2000.

We are now in a position to respond to your request.

Your request

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.

Our response:

While the information below does not meet the exact criteria requested, I
hope that you will still find the information useful and helpful. I will
endeavour to get a full response to you as soon as possible. I am sorry
for any inconvenience caused by this delay.

The commonest valve replaced is the aortic, 80% have a bioprosthesis. The
next is mitral, 90% are replaced with a mechanical prosthesis.

Mortality rates for mitral replacement are 5.9% and aortic 3.6%, these are
percentages from the last ten years.

All CCAD data can be found at
[1]http://heartsurgery.cqc.org.uk/Survival...., this may provide a better
snapshot for you.

Please note that any information provided by this Trust is for your
personal use and not for resale or use for profit in any way under the
Re-use of Public Sector Information Regulations 2005.

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you, please do not hesitate to contact us at:

[BSUH request email]

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right to appeal. The address of our FOI Review Department is:

Freedom of Information Office

FOI Review

Trust HQ

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Brighton BN2 5BE

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The Information Commissioner

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Cheshire SK9 5AF

Telephone: 01625 545700

We hope that you find the information provided helpful.

Kind regards,

Freedom of Information Team

Brighton and Sussex University Hospitals NHS Trust

This electronic message contains information from Brighton and Sussex University Hospitals NHS Trust, which may be privileged or confidential. The information is intended to be for the use of the individual(s) or entity named above. If you are not the intended recipient be aware that any disclosure, copying, distribution or use of the contents of this information is prohibited. If you have received this electronic message in error, please notify us immediately at [email address].

This Trust is committed to openness and transparency, and this commitment is supported by the Freedom of Information Act 2000. Under the Act, any recorded information held by the Trust, including this message, unless legally exempt, may be subject to public disclosure.

Activity and use of the Brighton and Sussex University Hospitals NHS Trust E-mail system is monitored to secure its effective operation and for other lawful business purposes. Communications using this system will also be monitored for viruses and other harmful material.

References

Visible links
1. http://heartsurgery.cqc.org.uk/Survival....

Dear FOI,

That was extremely informative...I just wonder why bioprosthesis are used at all ..given the use of mechanical prosthesis in the more dangerous operation..

Yours sincerely,

Paul GaffneyLLB BA