Please assess the completion status of the following clinical trial:

Trial Title: ECMO: Optimization of Its Use

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:~* Age \>18~* requiring ECMO. For the control,Patients without ECMO admited to ICU.~Exclusion Criteria:~* Age\<18~* Known prisoner of the state

- Gender: ALL
- Minimum Age: 18 Years
- Maximum Age: None
- Healthy Volunteers: f

Study Arms:
- VA ECMO (Type: None): Patients who are placed on VA ECMO.
- VV ECMO (Type: None): Patients who are placed on VV ECMO.

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