Year : 2017  |  Volume : 11  |  Issue : 3  |  Page : 267-272

Effects of preincisional analgesia with surgical site infiltration of ketamine or levobupivacaine in patients undergoing abdominal hysterectomy under general anesthesia; A randomized double blind study

1 Department of Anesthesia, Faculty of Medicine, Cairo University, Giza, Giza Governorate, Egypt
2 Department of Obstetrics and Gynecology, Faculty of Medicine, Cairo University, Giza, Giza Governorate, Egypt

Correspondence Address:
Atef Kamel Salama
Department of Anesthesia, Faculty of Medicine, Cairo University, Kasr Al Ainy Street, Giza, Giza Governorate
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/1658-354X.206794

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Context: Postoperative pain management remains a cornerstone in patient's management to ensure a better quality of life. Preemptive analgesia is reported to inhibit the persistence of postoperative pain. Aims: The aim of this study is to assess the analgesic effectiveness of preincisional infiltration of ketamine following elective abdominal hysterectomy as compared to levobupivacaine. Settings and Design: This was a prospective, randomized, double-blind study. Subjects and Methods: This study included 48 patients undergoing abdominal hysterectomy under general anesthesia. They were randomized into two equal groups; Group K received subcutaneous infiltration of 20 ml containing ketamine 2 mg/kg and Group L received subcutaneous infiltration of 20 ml of levobupivacaine 0.25% along the Pfannenstiel incision 5 min before incision. Postoperative pain was assessed using visual analog scale (VAS) at rest and on coughing with evaluation of additional opioid analgesic requirements. Statistical Analysis Used: Numerical variables were presented as mean and standard deviation or median and range as appropriate. The intergroup differences were compared using the independent-sample Student's t-test or Mann–Whitney test for numerical variables. Results: VAS score decreased significantly in Group L from 10 to 24 h and in Group K from 8 to 24 h as compared to the immediate postoperative reading. VAS score in ketamine group was significantly lower than that in the levobupivacaine group 8, 10, and 24 h postoperatively. Ketamine group showed delayed request of additional opioid analgesia (P < 0.001) with significantly less opioid consumption (P < 0.001) as compared to levobupivacaine. The total dose of meperidine consumed during the 24 postoperative h was significantly smaller in ketamine group (P < 0.001). Conclusion: Surgical site infiltration of ketamine is a promising preemptive analgesic method in the lower abdominal surgery with minimal sedation and adverse effects.

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