Dexmedetomidine as an Adjuvant to either Hyperbaric Prilocaine (2%) or Bupivacaine (0.5%) in Intrathecal Anesthesia for Elective Cesarean Section: A Comparative Study | ||||
| Zagazig University Medical Journal | ||||
| Article 27, Volume 31, Issue 2, February 2025, Page 836-848 PDF (1.23 MB) | ||||
| Document Type: Original Article | ||||
| DOI: 10.21608/zumj.2025.347674.3760 | ||||
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| Authors | ||||
Marwa Ayman Mohamed AbdAllah  1; Zeinab Hamed Sawan 2; Salwa Hassan Waly 3; Shereen E. Abd Ellatif 4; Manal M. Rashad5
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| 1MBBCH, faculty of Medicine, Zagazig University | ||||
| 2Professor of Anesthesia, Intensive Care and pain management Faculty of Medicine Zagazig University | ||||
| 3Professor of Anesthesia, Intensive care and pain management Faculty of Medicine Zagazig University | ||||
| 4Assistant Professor of Anesthesia, Intensive Care and pain management Faculty of Medicine Zagazig University | ||||
| 5Lecturer of Anesthesia, Intensive Care and pain management Faculty of Medicine Zagazig University | ||||
| Abstract | ||||
| Background: Dexmedetomidine can help extend the pain-relieving effects of local anesthetics and reduce the need for opioids during spinal anesthesia in women having planned cesarean sections. In order to determine which combination of dexmedetomidine and hyperbaric prilocaine (2% or 0.5%) is more successful in delivering dependable spinal anesthesia and adequate post-surgery pain management for pregnant women having an elective caesarean section, this study attempted to compare both of them. Methods: In a prospective, randomized, double-blind clinical trial we assessed the efficacy of hyperbaric prilocaine (50 mg in 2.5 mL) versus bupivacaine (12.5 mg in 2.5 mL), both combined with 5 µg dexmedetomidine, for spinal anesthesia in 74 participants undergoing elective Cesarean section. The primary outcome was postoperative pain intensity, assessed using the Visual Analog Scale (VAS). Results: Postoperative VAS scores were comparable between groups except at 4 and 8 hours post-procedure, where the prilocaine group demonstrated significantly higher VAS score (p<0.001).Significant variations were observed in the regression of motor and sensory block, independent ambulation, first rescue analgesia time, and total analgesia within the first 24 hours, as Bupivacaine group had longer durations and lower analgesic doses in all these parameters (P < 0.05). The bupivacaine group experienced a significantly higher incidence of hypotension, nausea, and vomiting. Conclusion: Hyperbaric Prilocaine (2%) with Dexmedetomidine was as effective and safe as hyperbaric Bupivacaine (0.5%) with Dexmedetomidine in achieving spinal anesthesia for elective cesarean sections, offering adequate postoperative analgesia and early ambulation. Prilocaine may offer a quicker profile with fewer side effects. | ||||
| Keywords | ||||
| Intrathecal Anesthesia; Bupivacaine; Hyperbaric Prilocaine; Dexmedetomidine; Elective Cesarean Section | ||||
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