To compare the efficacy of ultrasound (US) guided Obturator nerve block versus Pericapsular Nerve Group (PENG) block in preventing sudden jerks in patients undergoing surgery for bladder mass under spinal anaesthesia.

To compare the efficacy of ultrasound (US) guided Obturator nerve block versus Pericapsular Nerve Group (PENG) block in preventing adductor spasm in patients undergoing transurethral resection of postero-lateral bladder mass under spinal anaesthesia: a prospective, randomised, single blinded, controlled clinical study. - NIL

Status

Active, not recruiting

Phases

Phase 4

Study type

Interventional

Source

CTRI

Registry ID

CTRI/2025/10/096511

Enrollment

Registered

2025-10-28

Start date

Unknown

Completion date

Unknown

Last updated

2026-03-30

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

Conditions

Health Condition 1: O- Medical and Surgical

Interventions

Intervention1: Pericapsular Nerve Group (PENG) block: After achieving adequate sensory and motor blockade post spinal anesthesia, under all aseptic precautions, Group P will receive ultrasound (US) gu

Eligibility

Inclusion criteria

Inclusion criteria: Males and Females aged 18-75 years ASA PS class I, II and III Patients scheduled for trans-urethral resection of posterolateral bladder mass

Exclusion criteria

Exclusion criteria: Patient refusal Allergy to study drug Deranged coagulation profile Platelet count less than 80,000 Block site infection Patient in sepsis Bladder mass not in posterolateral region Any other contraindication for spinal anaesthesia

Design outcomes

Primary

Measure	Time frame
Occurrence of Adductor Spasm (Yes/No) Timepoint: During the surgery	—

Secondary

Measure	Time frame
Conversion to General Anaesthesia (Yes/No) Quadriceps Weakness Measured by MRC muscle grading at 0, 2, 4, & 6 hours postoperatively Bladder Perforation (Yes/No) Pain scores Numerical Rating Scale (NRS) Return to Grade 5 Muscle Strength Time taken to recover full quadriceps strength Timepoint: During the surgery 0,2,4,6 hours postop	—

Countries

India

Contacts

Public ContactSubrata Kumar Singha

All India Institute of Medical Sciences, Raipur

subratsingh@gmail.com8518881767

Outcome results

None listed

Source: CTRI (via WHO ICTRP) · Data processed: Apr 4, 2026