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[Emergencies evolving from local anesthesia].

E Kaufman1, A Garfunkel, M Findler

  • 1Dept. of Hospital Oral Medicine, Hebrew University, Hadassah School of Dental Medicine, Jerusalem.

Refu'At Ha-Peh Veha-Shinayim (1993)
|February 21, 2002
PubMed
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Local anesthesia adverse reactions, ranging from 2.5%-11%, are linked to patient medical status, adrenalin concentration, and anxiety levels. Vasoconstrictors in local anesthesia pose risks for cardiac and endocrine patients, with some cases resulting in fatalities.

Area of Science:

  • Anesthesiology
  • Pharmacology
  • Dental Medicine

Background:

  • Local anesthesia is a widely used drug in medicine and dentistry.
  • Adverse reactions to local anesthesia range from 2.5% to 11%, often affecting the autonomic system.
  • Patient medical status, adrenalin concentration, patient anxiety, and the dental procedure influence adverse reaction occurrence.

Purpose of the Study:

  • To review the safety of local anesthesia, particularly concerning adverse reactions and contraindications.
  • To highlight the risks associated with vasoconstrictors in local anesthesia solutions.
  • To present cases of severe complications, including fatalities, following local anesthesia administration.

Main Methods:

  • Literature review of studies on local anesthesia adverse reactions.

Related Experiment Videos

  • Analysis of factors correlating with adverse reactions: patient medical status, adrenalin concentration, anxiety, and procedure type.
  • Case study review of severe complications and fatalities associated with local anesthesia.

    • Main Results:

    • Adverse reactions are significantly correlated with higher patient medical risk and increased adrenalin concentration.
    • Patient anxiety levels and the dental procedure itself are directly related to the incidence of adverse reactions.
    • Vasoconstrictors in local anesthesia are contraindicated in patients with specific cardiac conditions, endocrine disorders, and uncontrolled diabetes mellitus.

    Conclusions:

    • Local anesthesia, while common, carries risks of adverse reactions influenced by patient health and procedure factors.
    • Vasoconstrictors in local anesthesia solutions require careful consideration due to potential severe adverse events, especially in vulnerable patient populations.
    • Physicians and dentists must be aware of contraindications and potential cross-reactivities to ensure patient safety during local anesthesia administration.