Please assess the completion status of the following clinical trial:

Trial Title: Patient Blood Management In CARdiac sUrgical patientS

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

Eligibility Criteria:
Inclusion Criteria:~- all adult patients candidate to planned heart surgery~Exclusion Criteria:~* Pregnancy~* Know allergy to iron, or B vitamin, or folic acid~* Hyperferritinemia (ferritin blood value \> 300 ng/ml).~* patient's refusal

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

Study Arms:
- cases (Type: None): patients who fulfill the inclusion criteria
- controls (Type: None): Patients who underwent cardiac surgery in 2019 and 2018

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