Severe Aortic Stenosis in Patients Referred for Valve Surgery

A Prospective Longitudinal Study of Severe Aortic Stenosis in Elderly and Outcome of Aortic Surgery.

Our main hypothesis on the present study is that new parameters such as risk-taking behavior, patients motivation, health related quality of life, new biomarkers and more precise echocardiography measures in addition to traditional parameters will improve pre-operative risk assessment in patients with AS and better guide patients and doctors in decision whether to operate or not.

Patients referred for surgery are included thorough reading referral letter. Data collected in the study wil be compared with data from Medical records and clinical examination.

Data entered will be controlled by two investigators.

Data wil be compared to national norms and from result of other studies.

Inclusion Criteria:

• Patients above 18 years with symptomatic AS referred to preoperative examination.

Exclusion Criteria:

• Exclusion: Patients who do not want to participate. Patients not able to speak and read Norwegian.