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Consideration of safety and certainty in ultrasound-guided obuturator nerve block proximal approach during transurethral resection of the bladder tumor

Consideration of safety and certainty in ultrasound-guided obuturator nerve block proximal approach during transurethral resection of the bladder tumor - Obuturator nerve block proximal approach study

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
JPRN
Registry ID
JPRN-UMIN000035566
Enrollment
60
Registered
2019-01-23
Start date
2019-02-01
Completion date
Unknown
Last updated
2026-06-29

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Bladder tumor

Interventions

Before TUR-BT,ultrasound-guided obuturator nerve block proximal approach is performed

Sponsors

National Hospital Organization Kumamoto Medical Center
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: 1.Patients undergoing a TUR-BT 2.American Society of Anesthsiologists PS 1-3 3.Written informed consent is provided by a patient or proxies

Exclusion criteria

Exclusion criteria: 1.Under 20 years old 2.Allergy to local anesthetics 3.Pre-existing adductor muscle dysfunction of the hip 4.Pre-existing sensory disturbance of the medial region of the knee 5.Patients who are regarded ineligible by researchers with any other reasons

Design outcomes

Primary

MeasureTime frame
Degree of lower limb movement during transurethral resection of bladder tumor 1=no movement 2=slight movement,but the operation can be continued 3=sever movement,and general anesthesia is induced with rocuronium 4= perforation

Secondary

MeasureTime frame
1.The target identification time 2.Duration of puncture and block performance time 3.Obturator nerve block-related complications 4.Reaction to electrical stimulation

Countries

Japan

Contacts

Public ContactNaoki Miyazaki

National Hospital Organization Kumamoto Medical Center Department of Anesthesiology

motomiyazaki@yahoo.co.jp096-353-6501

Outcome results

None listed

Source: JPRN (via WHO ICTRP) · Data processed: Jul 3, 2026