A Retrospective Study to Collect the Data From the Patients Who Had the Perimount Heart Valve Replacement Surgery in China During 2001 to 2007
A Retrospective Study to Collect the Data From the Patients Who Had the Perimount Heart Valve Replacement Surgery in China During 2001 to 2007
The objective of the study is to obtain the clinical data from patients who had the Perimount
 Heat Valve (Type:6900P and 2900) Replacement Surgery in Guangdong General Hospital during
 2001-2007 in order to evaluate the performace of this heart valve prothesis and collect the
 patients' post-operation infomation including the current living status, mortality rate, and
 the possibility of re-operation，bleeding and thrombosis.

 This is a retrospective , observentional clinical study to be conducted in Guangdong General
 Hospital in China. This study will enroll up to 200 patients.
Inclusion Criteria:

 -  The patients who implanted with Perimount Heart Valve (Type: 6900P and 2900) during
 2001-2007 in Guangdong General Hospital in China

 -  The patients agree to join the study and sign the ICF

 Exclusion Criteria:

 -  No specific exclusion criteria