Comparison of Obturator Nerve Block With Ultrasound Guidance and Anatomical Signs

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    Muğla Sıtkı Koçman University
Updated on 22 March 2022
transurethral resection
bladder tumor


Comparison of the obturator nerve block in patients undergoing transurethral resection due to bladder tumor, technically using ultrasound guided or blinded with anatomical signs.


The primary aim of this study is to compare the success rates of ONB techniques performed with ultrasound guided or blind technique. Its secondary purpose is to compare the effect of peroperative bleeding and control cystoscopy performed in the postoperative 3rd month on the presence of recurrent tumor.

Condition Succesful Obturator Nerve Block, Bladder Tumor, Bleeding
Treatment Obturator nerve block
Clinical Study IdentifierNCT04638569
SponsorMuğla Sıtkı Koçman University
Last Modified on22 March 2022


Yes No Not Sure

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
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