Please assess the completion status of the following clinical trial:

Trial Title: Measurement of Tissue Oxygen Saturation in Chronic Critical Limb Ischemia

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

Eligibility Criteria:
Inclusion Criteria:~* \>= 18 years old~* PAD~* Chronic Critical Limb Ischemia~* requiring surgical intervention~* able to give informed consent~Exclusion Criteria:~* emergent/urgent requirement for surgical intervention~* requiring surgical intervention due to acute traumatic injury

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

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