Please assess the completion status of the following clinical trial:

Trial Title: ADVANTAGE® Prosthetic Heart Valve Long-term Follow-up Trial

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

Eligibility Criteria:
Inclusion Criteria:~* Participated in the ADVANTAGE Prosthetic Heart Valve Study in Herz- und Diabeteszentrum (Bad Oeynhausen) or Deutsches Herzzentrum (Munich)~* Signed and dated patient data release form~* Available for follow-up~Exclusion Criteria:~* High probability of non-adherence to physician's follow-up requirements

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

Study Arms:
- Advantage prosthetic heart valve (Type: None): All patients who were enrolled and implanted with an Advantage valve in the Herzzentrum Nordrhein-Westfalen (Bad Oeynhausen, Germany) and Deutsches Herzzentrum München (Munich, Germany) during the previous Advantage clinical study study and who agree to participate in this long-term follow-up study by informed consent.

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