Please assess the completion status of the following clinical trial:

Trial Title: Contrast Enhanced Ultrasound Imaging for Cerebral Perfusion Measurement in Cerebral Vasospasm After SAH

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:~* Proven SAH (CT or lumbar puncture)~* Proven aneurysm (digital subtraction angiography or CT-angiography)~* Age \>18~* Informed consent of patient or relative~Exclusion Criteria:~* Pregnancy and breast feeding~* 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: None
- Healthy Volunteers: f

Study Arms:
- Ultrasound perfusion imaging (Type: None): Measuring methods of UPI with phase inversion harmonic imaging

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