Anatomical Measurements of Pudendal Nerve Block in Children
NCT ID: NCT07348029
Last Updated: 2026-01-16
Study Results
The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.
Basic Information
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NOT_YET_RECRUITING
50 participants
OBSERVATIONAL
2026-01-20
2026-06-10
Brief Summary
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Detailed Description
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However, due to age- and size-related anatomical variability in children, data regarding optimal needle insertion distance and depth to reach the pudendal nerve are limited. In this study, neurostimulation will be used to confirm pudendal nerve localization, and anatomical measurements will be analyzed in relation to demographic parameters.
Conditions
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Study Design
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COHORT
PROSPECTIVE
Study Groups
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Pediatric Penile Surgery Cohort
Children aged 1-18 years undergoing penile surgery with neurostimulation-guided pudendal nerve block; anatomical measurements of needle insertion distance from anus and nerve depth are recorded.
Neurostimulation-Guided Pudendal Nerve Block
Bilateral pudendal nerve block is performed under general anesthesia with neurostimulation guidance. Anatomical measurements, including distance from anus to needle insertion point and nerve depth, are recorded for each patient. Bupivacaine 0.25% is used at 0.25 ml/kg per side, with a maximum total dose of 2 mg/kg.
Interventions
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Neurostimulation-Guided Pudendal Nerve Block
Bilateral pudendal nerve block is performed under general anesthesia with neurostimulation guidance. Anatomical measurements, including distance from anus to needle insertion point and nerve depth, are recorded for each patient. Bupivacaine 0.25% is used at 0.25 ml/kg per side, with a maximum total dose of 2 mg/kg.
Eligibility Criteria
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Inclusion Criteria
* Scheduled for penile surgery (e.g., hypospadias, phimosis)
* Planned to receive neurostimulation-guided pudendal nerve block
* Patient and parents/legal guardians willing to participate under general anesthesia
Exclusion Criteria
* Cases where successful nerve block cannot be performed or nerve stimulation is not detectable at currents ≥1.5 mA
* Patients or parents/legal guardians who refuse pudendal nerve block
* Patients with pelvic deformities or neuromuscular disorders
1 Year
18 Years
ALL
No
Sponsors
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Istanbul University - Cerrahpasa
OTHER
Responsible Party
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Münevver Kayhan
Lecturer
Principal Investigators
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Munevver Kayhan, Lecturer Doctor
Role: PRINCIPAL_INVESTIGATOR
Istanbul University-Cerrahpasa, Cerrahpasa Medicine of Faculty
Pinar Kendigelen
Role: STUDY_CHAIR
Istanbul University-Cerrahpasa, Cerrahpasa Medicine of Faculty
Ayse Cigdem Tutuncu, Professor Doctor
Role: STUDY_CHAIR
Istanbul University-Cerrahpasa, Cerrahpasa Medicine of Faculty
Locations
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Istanbul University-Cerrahpasa, Cerrahpasa Medicine of Faculty
Bakırköy, Istanbul, Turkey (Türkiye)
Countries
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Central Contacts
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Facility Contacts
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References
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Kendigelen P, Tutuncu AC, Emre S, Altindas F, Kaya G. Pudendal Versus Caudal Block in Children Undergoing Hypospadias Surgery: A Randomized Controlled Trial. Reg Anesth Pain Med. 2016 Sep-Oct;41(5):610-5. doi: 10.1097/AAP.0000000000000447.
Walker BJ, Long JB, Sathyamoorthy M, Birstler J, Wolf C, Bosenberg AT, Flack SH, Krane EJ, Sethna NF, Suresh S, Taenzer AH, Polaner DM, Martin L, Anderson C, Sunder R, Adams T, Martin L, Pankovich M, Sawardekar A, Birmingham P, Marcelino R, Ramarmurthi RJ, Szmuk P, Ungar GK, Lozano S, Boretsky K, Jain R, Matuszczak M, Petersen TR, Dillow J, Power R, Nguyen K, Lee BH, Chan L, Pineda J, Hutchins J, Mendoza K, Spisak K, Shah A, DelPizzo K, Dong N, Yalamanchili V, Venable C, Williams CA, Chaudahari R, Ohkawa S, Usljebrka H, Bhalla T, Vanzillotta PP, Apiliogullari S, Franklin AD, Ando A, Pestieau SR, Wright C, Rosenbloom J, Anderson T; Pediatric Regional Anesthesia Network Investigators. Complications in Pediatric Regional Anesthesia: An Analysis of More than 100,000 Blocks from the Pediatric Regional Anesthesia Network. Anesthesiology. 2018 Oct;129(4):721-732. doi: 10.1097/ALN.0000000000002372.
Other Identifiers
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ctf- pudental mesafe- 04
Identifier Type: -
Identifier Source: org_study_id
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