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J Am Acad Dermatol. 2010 Jun;62(6):988-94. doi: 10.1016/j.jaad.2009.09.004.

Efficacy of tumescent local anesthesia with variable lidocaine concentration in 3430 consecutive cases of liposuction.

Author information

1
Medisch Centrum 't Gooi, Bussum, and Erasmus MC Department of Dermatology, Rotterdam, The Netherlands. loek@mcgooi.nl

Abstract

BACKGROUND:

Lidocaine toxicity is a potential complication related to using tumescent local anesthesia (TLA) as the exclusive form of pain management in surgical procedures.

OBJECTIVE:

We sought to determine the minimum concentration of lidocaine in the tumescent solution required to provide adequate anesthesia in patients undergoing liposuction using TLA exclusively.

METHODS:

Liposuction using TLA exclusively was performed in 3430 procedures by the same surgeon. The initial concentration of 1000 mg/L lidocaine in the tumescent solution was gradually reduced to find the minimum required for adequate anesthesia.

RESULTS:

Adequate anesthesia was achieved using a lidocaine concentration of 500 mg/L saline in all areas treated and 400 mg/L saline for most of the areas treated.

LIMITATIONS:

Data are based on the specific TLA technique used by the same surgeon. Lidocaine serum levels were not analyzed.

CONCLUSION:

For patients undergoing liposuction using TLA exclusively, the concentration of lidocaine in the normal saline solution required for adequate anesthesia is 400 mg/L for most body areas and 500 mg/L for some sensitive areas.

PMID:
20466173
DOI:
10.1016/j.jaad.2009.09.004
[Indexed for MEDLINE]

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