Effect of Low-Dose Intravenous Ketamine on Postoperative Pain After Cesarean Section Following Under Spinal Anesthesia in Zewditu Memorial Hospitals, Addis Ababa, Ethiopia, 2021, a Prospective Observational Cohort Study
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Date
2021-06
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Addis Abeba University
Abstract
Background: Cesarean section is common obstetric procedures worldwide. Following cesarean delivery, mothers experience moderate to severe pain since postoperative analgesia of spinal anesthesia is limited by duration of local anesthesia drug used. Analgesic effect of local anesthesia agents could be extended by adding adjuvants like neostigmine, opioid and low dose of intravenous ketamine.
Objective: This study was assess effect of low-dose intravenous ketamine on postoperative pain following cesarean section with spinal anesthesia in Zewditu Memorial Hospital, Ethiopia, 2021
Method: Sixty pregnant mothers planned for elective cesarean delivery under spinal anesthesia were involved in this prospective cohort study at zewditu memorial hospital. Participants were selected by systematic random sampling technique. Numerical rating scale pain score, time to request first analgesia and total analgesia consumptions were recorded in first 24 hours.Independent sample t- test, Mann–Whitney U-test and a chi-square was used for analysis based on distribution of data.
Result- Numerical rating scale pain score at 1st and 2nd hour after surgery was significantly different between the groups with p≤ 0.05. But pain score at 6th, 12th, 18th and 24 insignificant.Time to request first analgesia was significantly longer in exposed than Non-exposed group with p< .0001.The median(range) of tramadol consumption in 24 hour was 100(100_100) for exposed and 150(100_150) for non-exposed which was significant difference between both groups with (p- value ˂ .0001). But, diclofenac consumption was not significantly different (p =.576).
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Keywords
Cesarean section, postoperative pain, Intravenous ketamine