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Related Experiment Video

Updated: Jul 6, 2026

Innovative Adipose Tissue Fractionation for Transforming Fat into Specialized Components
04:36

Innovative Adipose Tissue Fractionation for Transforming Fat into Specialized Components

Published on: July 11, 2025

Reporting a fatality during tumescent liposuction.

María A Martínez1, Salomé Ballesteros, Luis J Segura

  • 1Instituto Nacional de Toxicología y Ciencias Forenses, Ministerio de Justicia, C/Luis Cabrera 9, 28002 Madrid, Spain. ma.martinez@mju.es

Forensic Science International
|March 18, 2008
PubMed
Summary

A patient died from local anesthetic overdose during liposuction despite tumescent anesthesia. Toxicology confirmed lethal lidocaine and mepivacaine levels, leading to a ruling of involuntary homicide due to gross negligence.

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Area of Science:

  • Anesthesiology
  • Forensic Pathology
  • Toxicology

Background:

  • Tumescent local anesthesia involves large volumes of dilute lidocaine with epinephrine for extensive anesthesia.
  • Deaths during elective surgery highlight anesthesia-related risks.
  • This case examines a fatality following liposuction under tumescent anesthesia.

Observation:

  • A 38-year-old woman experienced tonic-clonic convulsions and asystole approximately 30 minutes after anesthesia for liposuction.
  • Cardiopulmonary resuscitation was unsuccessful, and the patient died.
  • Autopsy ruled out myocardial infarction, aspiration, and pulmonary embolism; anaphylactic shock was considered unlikely.

Findings:

  • Toxicological analysis revealed high concentrations of lidocaine (4.9 mg/L) and mepivacaine (16.2 mg/L) in heart blood.

Related Experiment Videos

Last Updated: Jul 6, 2026

Innovative Adipose Tissue Fractionation for Transforming Fat into Specialized Components
04:36

Innovative Adipose Tissue Fractionation for Transforming Fat into Specialized Components

Published on: July 11, 2025

  • Gas chromatography and high-performance liquid chromatography confirmed the presence of these local anesthetics.
  • The cause of death was determined to be an overdose of local anesthetic agents.

    • Implications:

    • This case underscores the critical importance of accurate anesthetic dosing and patient monitoring.
    • It highlights the potential for local anesthetic systemic toxicity (LAST) even with tumescent techniques.
    • Legal ramifications included a ruling of involuntary homicide due to gross negligence, emphasizing accountability in anesthetic practice.