Total Intravenous Anesthesia and Analgesia Flashcards
what goals are you trying to acheive with GA (not matter which technique is used) `
unconsciousness
immobility
antinociception
muscle relaxation
T/F Intubation and administration of 100 % O2 is beneficial for every anaesthetized patient regardless of the anesthetic technique and agent of choice!
TRUE!
what are some disadvantages to TIVA
drugs may accumulate
more difficult to monitor and control anesthetic depth
elimination half-life changes with
duration of infusion
ideal agent for TIVA should be..
short acting
stable and short context sensitive half-life
no active metabolites
wide therapeutic window
smooth recovery
TIVA most commonlu consists of
CRI of an anesthetic and an analgesic
common anesthetics used for TIVA
propofol, alfaxalone, ketamine
common analgesics used for TIVA
opioids, lidocaine, ketamine, alpha 2 agonist
common adjuvants (to aid in muscle relaxation) with TIVA
benzodiazepines, guaifenesin
what is the most common TIVA
propfol - fentanyl
start CRI higher and reduce rate later on
Alfaxalone TIVA
doesnt seem to accumulate
may be combined with opioid analgesics
Tx disphoria during recovery with sedatives
T/F etomidate is not a option for TIVA
True
inhibits cortisol secretion
accumulation of propylene glycol
which drug can accumulate after large or repeated doses causing a delayed and rough recovery
ketamine
when is a ketamine based TIVA suitable
Field Procedures
triple drip - horses (GG, xylazine, ketamine)
Analgesics infusions can be used…
as part of TIVA/PIVA to reduce dose of anesthetic and provide antinoceception
can be used alone for analgesia - e.g. post OP or in ICU
