Please assess the completion status of the following clinical trial:

Trial Title: Ultrasound for Neuraxial Anesthesia

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

Eligibility Criteria:
Inclusion Criteria:~* Surgery under spinal, epidural or combined spinal-epidural anesthesia.~* Surgery under general anesthesia and preoperative placement of epidural catheter for postoperative analgesia.~* ASA 1-3.~Exclusion Criteria:~* History of lumbar spinal surgery.~* Low back pain at the time of anesthesia

- Gender: ALL
- Minimum Age: 18 Years
- Maximum Age: 85 Years
- Healthy Volunteers: f

Study Arms:
- Ultrasound (Type: EXPERIMENTAL): None
- Landmarks (Type: ACTIVE_COMPARATOR): None

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