This study compares the incidence of pruritus (itching) requiring treatment between two doses of intrathecal morphine (0.1 mg vs 0.2 mg) when used for spinal anesthesia during cesarean section. The study aims to determine if the lower dose (0.1 mg) can reduce pruritus incidence while maintaining adequate pain relief.
Spinal anesthesia is a standard technique for cesarean section. Intrathecal morphine (ITM) provides prolonged and effective analgesia but may cause adverse events including pruritus, nausea, vomiting, and respiratory depression. Current practice at Srinagarind Hospital uses ITM 0.2 mg for spinal anesthesia in cesarean section. This study investigates whether reducing the ITM dose to 0.1 mg can decrease pruritus incidence while preserving analgesic effectiveness.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
DOUBLE
Enrollment
69
intrathecal administered morphine
Faculty of Medicine, Khon Kaen University
Khon Kaen, Thailand
RECRUITINGThepakorn Sathitkarnmanee
Khon Kaen, Thailand
RECRUITINGIncidence of pruritus requiring treatment [Time Frame: 24 hours post-operatively]
* Percentage of participants requiring treatment for pruritus within 24 hours after spinal anesthesia * Measured using numerical rating scale (0-10), with treatment indicated for score ≥4 * Percentage of participants requiring treatment for pruritus within 24 hours after spinal anesthesia * Measured using numerical rating scale (0-10), with treatment indicated for score ≥4 * Percentage of participants requiring treatment for pruritus within 24 hours after spinal anesthesia * Measured using numerical rating scale (0-10), with treatment indicated for score ≥4
Time frame: 24 hours
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