Please assess the completion status of the following clinical trial:

Trial Title: Interest of Real Time Measurement of Autonomous Nervous System for the Detection of Brain Death

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

Eligibility Criteria:
Inclusion Criteria:~* severe cerebral lesions~* admitted in intensive care units~Exclusion Criteria:~* neoplastic pathology~* prior myocardiac infarction~* hearth failure~* atrial fibrillation~* insulin-treated diabetes mellitus~* cardiac pacemaker

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

Study Arms:
- SNA group (Type: None): This group will have a real-time analysis of autonomic nervous system activity during its intensive care hospitalisation
- Clinical group (Type: None): This group will have a conventional clinical analysis during its intensive care hospitalisation

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