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Slow infusion tumescent anesthesia

H Breuninger1, J Wehner-Caroli

  • 1Department of Dermatology, University of Tübingen, Germany.

Dermatologic Surgery : Official Publication for American Society for Dermatologic Surgery [Et Al.]
|August 7, 1998
PubMed
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Slow infusion tumescent anesthesia (SITA) offers an economical, safe, and comfortable method for dermatologic surgery. This technique improves patient experience, especially for children and anxious individuals, by automating anesthetic delivery.

Area of Science:

  • Dermatologic Surgery
  • Anesthesiology
  • Medical Devices

Background:

  • Dermatologic surgery often requires local anesthesia, with tumescent anesthesia necessitating large volumes of diluted anesthetic.
  • Traditional tumescent anesthesia, despite advancements in injection pumps, still requires manual guidance of the cannula.

Purpose of the Study:

  • To introduce and evaluate a novel method for delivering tumescent anesthesia using slow, automated infusion.
  • To overcome the limitations of manual cannula handling in tumescent anesthesia.

Main Methods:

  • Slow, automated tumescent anesthesia (SITA) administered via infusion pump.
  • Injection speeds ranged from 50-1500 mL/hour, with volumes from 2-1000 mL.
  • Anesthetic solutions included prilocaine and epinephrine in Ringer's solution, administered via 30- to 20-gauge needles.

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Main Results:

  • No severe complications were reported in 502 treated patients.
  • 91% of patients previously experiencing general or regional anesthesia preferred SITA.
  • All patients previously receiving conventional syringe injection preferred SITA.

Conclusions:

  • SITA is an economical, safe, and comfortable technique for most skin operations.
  • The method is suitable for all patient groups, including children and anxious individuals.
  • Optimal outcomes require experience in selecting concentration, needle type, position, flow rate, and volume.