Please assess the completion status of the following clinical trial:

Trial Title: Sphenopalatine Block or Epidural Bloodpatch for Post Dural Puncture Headache: Randomized Controlled Trial

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

Eligibility Criteria:
Inclusion Criteria:~* Diagnostic criteria for post dural puncture headache~* Moderate to severe post dural puncture headache~Exclusion Criteria:~* Procedure failures: new dural puncture on epidural blood patch trial, unable to find epidural space, intolerance to insertion of nasal swabs.~* Follow up loss

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

Study Arms:
- Treatment group (Type: EXPERIMENTAL): Patients will receive sphenopalatine ganglion block with ropivacaine 0.375% 3ml on each side
- Control group (Type: ACTIVE_COMPARATOR): Patients will receive classic epidural blood patch with 20ml of autologous blood

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