Comparison of dexmedetomidine and clonidine as an adjuvant to lignocaine with adrenaline in infiltration anesthesia in tympanoplasty: A randomized controlled trial
Background: Recent trends in surgical practice involve using local anesthesia for procedures like middle ear tympanoplasty due to its benefits, but patients often experience discomfort. Researchers are investigating alpha-2 agonists like clonidine and dexmedetomidine to enhance pain relief. We condu...
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| Main Authors: | , , , , , |
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| Format: | Article |
| Language: | English |
| Published: |
Wolters Kluwer Medknow Publications
2024-12-01
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| Series: | The Indian Anaesthetists' Forum |
| Subjects: | |
| Online Access: | https://journals.lww.com/10.4103/TheIAForum.TheIAForum_123_23 |
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| Summary: | Background:
Recent trends in surgical practice involve using local anesthesia for procedures like middle ear tympanoplasty due to its benefits, but patients often experience discomfort. Researchers are investigating alpha-2 agonists like clonidine and dexmedetomidine to enhance pain relief. We conducted a double-blind study comparing dexmedetomidine and clonidine’s effectiveness in extending pain relief after tympanoplasty using local infiltration.
Aim and Objective:
In light of this context, we undertook a randomized, double-blind investigation to compare the efficacy of dexmedetomidine and clonidine in extending the duration of pain relief via local infiltration for tympanoplasty.
Materials and Methods:
This prospective, randomized, double-blind study was conducted on total of 60 patients belonging to the American Society of Anesthesiologists Class I and II scheduled for tympanoplasty under local anesthesia. All patients were divided into two groups: Group LC, received local infiltration with 12 mL of lignocaine (2%) with adrenaline (1:200,000) plus clonidine (1 μg/kg) and Group LD, received local infiltration with 12 mL of lignocaine (2%) with adrenaline (1:200,000) plus dexmedetomidine (1 μg/kg).
Results:
Both the groups were comparable regarding demographic profile, perioperative hemodynamics, and total duration of surgery. Time of onset of analgesia was faster in Group LD (89.53 ± 5.54 vs. 94.17 ± 6.19 s) (P = 0.0034) and total duration of analgesia was also prolonged in Group LD (562.40 ± 24.82 vs. 332.30 ± 12.39 min) (P < 0.0001).
Conclusion:
We concluded that in comparison to clonidine, dexmedetomidine is more effective in terms of faster onset and prolongation of total duration of analgesia when used with local infiltration anesthesia. |
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| ISSN: | 0973-0311 |