Clinical trial · Interventional
Comparison of Obturator Nerve Block With Ultrasound Guidance and Anatomical Signs
Comparison of Obturator Nerve Block With Ultrasound Guidance and Anatomical Signs in Patients Undergoing Transurethral Resection
NCT04638569CI-TRIAL-00056348unknownN/AClinicalTrials.gov clinicaltrialsProvenance
- Source
- ClinicalTrials.gov
- Retrieved
- Sep 8, 2026
- Layer
- normalized (units and labels harmonized; values unchanged)
- Run
- ING-CLINICALTRIALS-20260908-000001
Summary
Brief summary (as posted)
Comparison of the obturator nerve block in patients undergoing transurethral resection due to bladder tumor, technically using ultrasound guided or blinded with anatomical signs.
Conditions
Conditions (3)
Free-text conditions as registered, with the CancerIndex entity they were reconciled to and the match type.
| Condition (as posted) | Mapped entity | Match | Confidence |
|---|---|---|---|
| Bladder Tumor | Bladder Neoplasm | ALIAS | 0.90 |
| Bleeding | — | UNRESOLVED | — |
| Succesful Obturator Nerve Block | — | UNRESOLVED | — |
Interventions
Interventions (1)
| Intervention | Type | Mapped drug | Match |
|---|---|---|---|
| obturator nerve block | Procedure | — | UNRESOLVED |
Design
Arms and outcomes
Arms (2)
- type
- ACTIVE_COMPARATOR
- label
- Ultrasound-guided obturator nerve block group
- description
- The ultrasound probe will be placed in the middle of the tuberculum pubis and femoral artery, 5-6 cm below the inguinal ligament, and 5 mL of 0.5% bupivacaine will be injected into the anterior and posterior branches of the ON with a needle.
- interventionNames
- Procedure: obturator nerve block
- type
- ACTIVE_COMPARATOR
- label
- obtutaror nerve block with anatomical landmarks
- description
- In the second group, after the patient is placed in the lithotomy position, 1.5 cm lateral tuberculum pubis and 1.5 cm caudal will be marked and needle entry will be made and 0.5% bupivacaine will be injected with 10 mL.
- interventionNames
- Procedure: obturator nerve block
Primary outcomes (1)
Eligibility
Eligibility (as posted)
- Sex
- All
- Minimum age
- 18 Years
- Maximum age
- 70 Years
Show eligibility criteria text
Inclusion Criteria: * ASA I-II patients Exclusion Criteria: * Tumors that disrupt the integrity of the bladder, * bladder floor tumors, * coagulation disorders, * motor in the lower limbs * with sensory disturbances, * uncooperative patients, * Known allergy to local anesthetics * patients with localized infection at the procedure site
References
Publications (0)
Data not yet available
No reference posted for this study.