Please assess the completion status of the following clinical trial:

Trial Title: Fluid Management Based on Pleth Variability Index (PVI) Monitoring During High-risk Surgery

Study Design Characteristics:
- Allocation: RANDOMIZED
- Intervention Model: PARALLEL
- Observational Model: None
- Primary Purpose: SUPPORTIVE_CARE
- Time Perspective: None
- Masking: DOUBLE
- Phase: None
- Number of Arms: 2.0

Eligibility Criteria:
Inclusion Criteria:~* Adults patients underwent high-risk surgery~* obtained the written informed consent~* patients under general anesthesia and mechanical ventilation~Exclusion Criteria:~* Patients with cardiac arrhythmias~* Patients \< 18 years~* Patients with a body mass index \> 40~* Patients undergoing surgery with an open thorax, neurosurgery or emergency surgery

- Gender: ALL
- Minimum Age: 18 Years
- Maximum Age: 90 Years
- Healthy Volunteers: f

Study Arms:
- Intervention group (Type: ACTIVE_COMPARATOR): Intervention group will receive hydroxyethylstarch 6% bolus in order to minimize and maintain PVI below 14 %.
- Control group (Type: NO_INTERVENTION): Control group will receive fluid at the discretion of the anesthetist

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