Dexmedetomidine with Sufentanil in Intravenous Patient-Controlled Analgesia for Relief from Postoperative Pain, Inflammation, and Delirium after Esophageal Cancer Surgery.
2020
BACKGROUND AND AIMS: Postoperative pain can cause serious adverse reactions that severely affect postoperative outcome. This study evaluated the effect of dexmedetomidine (DEX) added to sufentanil in intravenous patient-controlled analgesia (PCA) on the relief of pain and inflammatory responses during postoperative recovery of patients undergoing a combined thoracoscopic-laparoscopic esophagectomy (TLE). METHODS: Sixty patients undergoing TLE were randomly allocated to receive 1 mug/ml of sufentanil alone (Group S) or 1 mug/ml of sufentanil plus 2.5 mug/ml of DEX (Group D) for postoperative intravenous (IV) PCA. Postoperative pain relief, cumulative PCA requirements, inflammatory marker levels, delirium, and recovery were assessed. RESULTS: A joint DEX and sufentanil regimen significantly reduced the area under the curve of numerical rating scores for pain at rest (NRSR) and coughing (NRSC) at 1-48 h postoperatively (P = 0.000) that were associated with lower PCA-delivered cumulative sufentanil consumption and less PCA frequency until 48 h postoperatively (P < 0.05 and P < 0.0001, respectively). The simultaneous administration of DEX and sufentanil significantly reduced plasma IL-6 and TNF-alpha concentrations and increased IL-10 level (P < 0.0001, P = 0.0003, and P = 0.0345, respectively), accompanied by better postoperative delirium categories and health statuses of patients (P = 0.024 and P < 0.05, respectively). There was no hypotension, bradycardia, respiratory depression, or oversedation in Group D. CONCLUSION: Patients receiving DEX in addition to IV PCA sufentanil for TLE exhibited better postoperative analgesia, fewer inflammatory responses, and lower postoperative delirium categories and better health statuses.
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