Research Article: Analgesic Effect of Esketamine Combined with Tramadol for Patient-Controlled Intravenous Analgesia After Cesarean Section: A Randomized Controlled Trial
Introduction:
Cesarean section (CS) is one of the most common surgical operations. In , million CSs were performed worldwide. High rate of CS is a concern globally and creates a significant challenge for postpartum pain management. , Opioids are effective for acute postoperative pain but have numerous adverse effects such as postoperative nausea and vomiting (PONV) or respiratory depression. , In recent years, since opioid-sparing pain management strategies have been advocated, multimodal analgesic therapies are increasingly…
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