Anxiety and depression in patients aged 80 years and older following aortic valve therapy. A six-month follow-up study.

"Declarations Conflict of interestOn behalf of all authors, the corresponding author states that there is no conflict of interest. Ethical approvalThis study was performed in line with the principles of the Declaration of Helsinki. Approval was granted by the Regional Committee for Ethics in Medical Research in Norway (REK Vest 2010/2936–6). Consent to participateInformed and writing consent was obtained from all individual participants included in the study. Conflict of interest On behalf of all authors, the corresponding author states that there is no conflict of interest."

"Funding Open access funding provided by Western Norway University Of Applied Sciences. This work was supported by a full research grant from the University of Bergen to LSPE. The study also received funding from Western Norway University of Applied Sciences, the Norwegian Nurses Association, and Kavli Research Center for Geriatrics and Dementia."