COMPLEX I, SEVOFLURANE, AND THE VENEZUELAN MITOCHONDRIAL VARIANT │ EP105

A recently identified genetic mutation, passed down on the maternal line, can cause otherwise healthy patients to develop severe and often permanent neurological injury after routine sevoflurane exposure. This episode breaks down the underlying mitochondrial mechanism, why TIVA with propofol is the safer anesthetic strategy, and the family history red flags every provider should be screening for.

• A newly identified genetic mutation that turns routine sevoflurane exposure into catastrophic, permanent neurological injury
• The mitochondrial mechanism behind it, and why some patients have zero reserve capacity to absorb the hit
• Why TIVA with propofol becomes the clear anesthetic choice once you understand what spares Complex I

Source: Sanz-Pons J, et al. "Effects of a Mitochondrial Genetic Variant on Sevoflurane Hypersensitivity." Anesthesiology 2026;144:1286–98.

FREE RESOURCE FOR THIS EPISODE:

GPCR Cheat Sheet — G-protein coupled receptors decoded for anesthesia. Head to atomicanesthesia.com/freebies/gpcr-cheat-sheet to grab it free.

MORE FREE STUDY RESOURCES:

SEE/NCE Study Plan — A structured, week-by-week plan to pass your boards

Non-Opioid Pharmacology Cheat Sheet — Every non-opioid analgesic you need to know, on one page

Malignant Hyperthermia Reference Guide — Recognize MH fast. Treat it faster — one-page reference

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