Please assess the completion status of the following clinical trial:

Trial Title: Sonographic Monitoring of Weaning of Cerebrospinal Fluid Drainages

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

Eligibility Criteria:
Inclusion Criteria:~* Informed consent of patient or relative and statement of independent physician~* Patient treated with EVD or LD undergoing clamping of EVD/LD~* Age ≥18 ≤ 80 years~Exclusion Criteria~* Pregnancy and breastfeeding~* Acute coronary syndromes, severe ischemic heart disease (requiring revascularisation), severe aortic and mitral valve disease, severe congestive heart failure (NYHA \>III/IV)~* Severe pulmonary or renal dysfunction~* Known allergy or adverse reaction to contrast material

- Gender: ALL
- Minimum Age: 18 Years
- Maximum Age: 80 Years
- Healthy Volunteers: f

Study Arms:
- All study participants (Type: None): The study population consists of consecutive patients undergoing clamping of EVD/LD treated at the Departments of Neurosurgery or Intensive Care Medicine at the University Hospital Bern

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