Please assess the completion status of the following clinical trial:

Trial Title: Assessing the Incidence of Postoperative Delirium Following Aortic Valve Replacement

Study Design Characteristics:
- Allocation: None
- Intervention Model: None
- Observational Model: COHORT
- Primary Purpose: None
- Time Perspective: PROSPECTIVE
- Masking: None
- Phase: None
- Number of Arms: None

Eligibility Criteria:
Inclusion Criteria:~* Patients scheduled to undergo elective~  * TAVI~ * SAVR (with or without coronary artery bypass grafting (CABG) or pulmonary vein isolation (PVI))~* Patient able to read and understand the research materials~Exclusion Criteria:~* Inability to give informed consent~* Presence of delirium at baseline as screened with the 3-minute Diagnostic Confusion Assessment Method (3D-CAM)~* Combined surgical procedures (e.g. mitral valve surgery, aortic surgery or other)

- Gender: ALL
- Minimum Age: 70 Years
- Maximum Age: None
- Healthy Volunteers: f

Based on this trial design, predict the completion outcome and termination type (if applicable).