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| Content Provider | World Health Organization (WHO)-Global Index Medicus |
|---|---|
| Author | Wei, Xin Wei, Wei |
| Description | Author Affiliation: Wei X ( Department of Anesthesiology, Anhui Medical University Affiliated Auhui Provincial Hospital, 230001 Hefei, People's Republic of China.) |
| Abstract | PURPOSE: This study was undertaken to examine the effect of gabapentin for preventing hyperalgesia induced by morphine and fentanyl withdrawal in rats. METHODS: To induce hyperalgesia, Sprague Dawley (SD) rats were subcutaneously injected with fentanyl four times at 15-min intervals (60 µg/kg per injection), resulting in total dose of 240 µg/kg over 1 h, and morphine 10 mg/kg twice daily for 7 days. The effect of gabapentin was detected with behavioral tail-flick and paw-withdrawal tests. RESULTS: Drug termination produced significant decrease in antinociception thresholds (P < 0.05 vs. saline group), indicating that the rats became sensitive to thermal stimuli. In rats that received combined treatment with fentanyl/morphine and gabapentin (25/50 mg/kg), results demonstrated that there were no significant decreases in antinociception thresholds (vs. saline group) after opioid withdrawal. Gabapentin (50 mg/kg) could also prevent morphine tolerance. The 50% effective dose (ED50) value was 12.5 mg/kg in tail-flick and 13.6 mg/kg in paw-withdrawal tests. CONCLUSIONS: The study showed that gabapentin can significantly prevented opioid-induced hyperalgesia (OIH) induced caused by fentanyl and morphine, suggesting a role for the addition of gabapentin in the perioperative period and during chronic pain treatment as an effective drug to prevent OIH. |
| File Format | HTM / HTML |
| ISSN | 09138668 |
| Issue Number | 2 |
| Volume Number | 26 |
| e-ISSN | 14388359 |
| Journal | Journal of Anesthesia |
| Language | English |
| Publisher | Springer |
| Publisher Date | 2012-04-01 |
| Publisher Place | Japan |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Discipline Anesthesiology Amines Pharmacology Chronic Pain Drug Therapy Cyclohexanecarboxylic Acids Fentanyl Adverse Effects Hyperalgesia Prevention & Control Morphine Substance Withdrawal Syndrome Gamma-aminobutyric Acid Analgesics, Opioid Animals Drug Tolerance Chemically Induced Male Pain Measurement Drug Effects Pain Threshold Rats Rats, Sprague-dawley Journal Article |
| Content Type | Text |
| Resource Type | Article |
| Subject | Anesthesiology and Pain Medicine |
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