Please assess the completion status of the following clinical trial:

Trial Title: Is Doppler Necessary in Haemorrhoidal Artery Ligation Operation?

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

Eligibility Criteria:
Inclusion Criteria:~* For consenting adults (18-90 years) with grade one and two piles listed for HALO at Poole hospital by three consultants trained in the HALO technique, the patients will be offered to be involved in the study.~Exclusion Criteria:~* Other grades of piles, age outside 18-90 or other anal condition

- Gender: ALL
- Minimum Age: 18 Years
- Maximum Age: 90 Years
- Healthy Volunteers: f

Study Arms:
- Doppler (Type: None): Those patients where the doppler was randomised to be on
- Non doppler patients (Type: None): those with no doppler guidance

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