Lipid rescue

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Lipid Rescue is a term that has been coined to describe the use of intravenous lipid emulsion to treat severe local anaesthetic toxicity.

To date, Intralipid, a commonly available intravenous lipid emulsion is the only such emulsion to be shown to be effective in this way.

This is supported by animal evidence [1] [2] and human case reports of successful use in this way.[3][4] In the UK, efforts have been made to publicise this use more widely[5]


References

  1. Weinberg GL, VadeBoncouer T, Ramaraju GA, Garcia-Amaro MF, Cwik MJ. Pretreatment or resuscitation with a lipid infusion shifts the dose-response to bupivacaine-induced asystole in rats. Anesthesiology 1998; 88: 1071-5.
  2. Weinberg G, Ripper R, Feinstein DL, Hoffman W. Lipid emulsion infusion rescues dogs from bupivacaine-induced cardiac toxicity. Regional Anesthesia and Pain Medicine 2003; 28: 198-202..
  3. Rosenblatt MA, Abel M, Fischer GW, Itzkovich CJ, Eisenkraft JB. Successful Use of a 20% lipid emulsion to resuscitate a patient after a presumed bupivacaine-related cardiac arrest. Anesthesiology 2006;105:217-8. PMID 16810015
  4. Litz, RJ, Popp M, Stehr S N, Koch T. Successful resuscitation of a patient with ropivacaine-induced asystole after axillary plexus block using lipid infusion. Anaesthesia 2006;61:800-1.
  5. Picard J, Meek T. Lipid emulsion to treat overdose of local anaesthetic: the gift of the glob. Anaesthesia 2006;61:107-9. PMID 16430560

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