Two different drug intervention and duration of pain relief

To compare the efficacy of Hyperbaric Ropivacaine vs Isobaric Ropivacaine in Thoracic segmental spinal anaesthesia in Percutaneous Nephrolithotomy Surgery - NIL

Status

Active, not recruiting

Phases

Phase 4

Study type

Interventional

Source

CTRI

Registry ID

CTRI/2025/07/091951

Enrollment

Registered

2025-07-29

Start date

Unknown

Completion date

Unknown

Last updated

2025-08-18

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

Conditions

Health Condition 1: N200- Calculus of kidney

Interventions

Intervention1: Group H (Hyperbaric group): Patients will receive 1.5 ml of 0.75% hyperbaric ropivacaine (11.25 mg) + 0.5 ml Fentanyl (25 gm) (total volume 2 ml), administered intrathecally at the T9-T

Eligibility

Inclusion criteria

Inclusion criteria: American Society of Anaesthesiology (ASA) I and II classification of either sex scheduled for elective PCNL under regional anaesthesia with renal stones less than or equal to 40 mm

Exclusion criteria

Exclusion criteria: Patient refusal Coagulopathy or anticoagulant use Spinal deformity or local infection at the injection site Known allergy to the study drugs Severe cardiopulmonary or neurological disorders BMI more than 35 kg per m

Design outcomes

Primary

Measure	Time frame
Mean time of duration of analgesiaTimepoint: 24 hours	—

Secondary

Measure	Time frame
Onset and duration of the sensory and motor blockade Maximum sensory block height Time taken to maximum sensory block height Numerical rating scale Total analgesic consumption in first 24 hours Hemodynamic Parameters Complications Patient and surgeon satisfactionTimepoint: 24 hours	—

Countries

India

Contacts

Public ContactDr Geeta Singariya

Dr SN Medical Collage, Jodhpur

drpreksha01@gmail.com9887907472

Outcome results

None listed

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