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Area of Science:

  • Anesthesiology and Pain Management
  • Pharmacology

Background:

  • Regional anesthesia techniques are increasingly vital for postoperative pain relief and recovery.
  • Adjuvants like dexamethasone, alpha-2 agonists, buprenorphine, ketamine, and magnesium are added to regional techniques to modify block characteristics.
  • Understanding adjuvant mechanisms is crucial for optimizing pain control and reducing local anesthetic or analgesic drug requirements.

Purpose of the Study:

  • To provide an updated review of published data on anesthetic adjuvants.
  • To examine the evolving trends in adjuvant utilization over the past two years.
  • To highlight current evidence and suggest future research directions for anesthetic adjuvants.

Main Methods:

  • Scoping review of published literature on anesthetic adjuvants.
  • Analysis of trends in adjuvant use, focusing on the last two years.
  • Synthesis of evidence regarding the efficacy and mechanisms of various adjuvants.

Main Results:

  • A notable increase in publications concerning dexmedetomidine as an adjuvant.
  • Dexamethasone remains a well-supported adjuvant, though interest may shift due to moderate evidence.
  • Growing research interest in the use of opioids as adjuvants, with varying efficacy reported for all adjuvants.

Conclusions:

  • Adjuvant drugs play a critical role in enhancing regional anesthesia for improved pain management.
  • While dexmedetomidine research is expanding, dexamethasone currently has a stronger evidence base.
  • Further research is needed to fully elucidate the role and optimize the use of various adjuvants in clinical practice.