This study is a Randomized Control Trial comparing the Erector Spinae Plane Block with intrathecal morphine for post cesarean delivery analgesia.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
TRIPLE
Enrollment
160
A nerve block that injects local anesthetic in the Erector Spinae Plane
Intrathecal morphine at the time of spinal anesthesia
Royal Victoria Hospital
Montreal, Quebec, Canada
RECRUITING24 hour area under the curve pain scores
It will be measured at 3 6 12 18 and 24 hours after the end of the cesarean delivery. This pain will be assessed by asking the patient to go from lying to sitting (or use incentive spirometry) and rated using a linear 10 cm visual analogue scale (VAS). The 24 hour pain VAS area under the curve (AUC) will be calculated using the trapezoid rule.
Time frame: First 24 hour
Measurement of quality of recovery after cesarean delivery
At 24 hours the ObsQoR11, a validated instrument to measure the quality of recovery after cesarean delivery, will be administered to the patient
Time frame: First 24 hours
Nausea and vomiting
The incidence of nausea and vomiting will be rated on a 10 cm VAS
Time frame: First 24 hours
Analgesic usage
The cumulative use of opioids, expressed as morphine equivalents will be recorded at 24 hours.
Time frame: First 24 hours
Pruritus
The incidence of pruritus will be rated on a 10 cm VAS
Time frame: First 24 hours
Incidente of persistent surgical pain
Patients will be contacted by telephone 3 months after the cesarean to assess the presence of chronic pain. This will be done using a modification of the brief pain inventory
Time frame: Three months
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