Age-Based and Weight-Based Bupivacaine Dosing for Pediatric Spinal Anesthesia for Elective Infra-Umbilical Surgeries

Hyperbaric bupivacaine 0.5% dosage will be calculated and administered intrathecally as 0.4 mg/kg or 0.08 ml/kg if body weight ≤ 15 kg and 0.3 mg/kg or 0.06 ml/kg if body weight \> 15 kg

Hyperbaric bupivacaine 0.5% will be administered at the dose of age divided by 5 (in ml). The age in months after the completion of a year was noted and considered as the next age if it is more than 6 months and the same age if it is ≤ 6 months.