Test #2 Herbal and illicit drug PPt-Josh Flashcards
Herbal Supplements:
are they regulated by FDA?
NOpe
Herbal Supplements:
is there rigorus testing such as with Rx meds?
nope
Herbal Supplements:
are the adverse effects all know?
nope
Herbal Supplements:
should be stoped how long prior to Sx
2 weeks
Herbal Supplements:
what is the most popular herbal remedy in currently in the US
Echinacea
Herbal Supplements: Echinacea
is beleived to improve immune system by how?
modulation of cytokine signaling
Herbal Supplements: Echinacea
is used for tx of what?
viral, bacterial, and fungal infections (especially URI)
Herbal Supplements: Echinacea
Chronic use can resut in what?
immunosupression and hepatic faiuler
Herbal Supplements: Echinacea
what are some periop considerations?
avaoid hepatotoxic drugs
avoid in immunosupressed pts (transplant)
Herbal Supplements: Echinacea
other names
purple coneflower
coneflower
American coneflower
Herbal Supplements: Ephedra
other names?
ma Huang
Herbal ecstasy
Cloud 9
(sounds bad ass)
Herbal Supplements: Ephedra
Sale is restricted in the US to Chinese Herbal Medicine only d/t adverse effects r/t dietary suppliments. what are some of those SE
- Palpatations
- HTN
- Tacjycardia
- Stroke
- Seizures
- Cardiomyopathy
- MI
- Dysrhythmias
- Acute hepatitis
- psychosis
- death
Herbal Supplements: Ephedra
it contains what alkaloids?
- ephedrine
- pseudoephedrine
- methylephredrine
- nor-pseudo-ephedrine
Herbal Supplements: Ephedra
has direct effect on ____ and ___ receptors and can indirectly increase the release of norepi for presynaptic neurons
alpha
beta
Herbal Supplements: Ephedra
Used for what 3 things
Weight loss
CNS stimulant
Asthma
Herbal Supplements: Ephedra
periop considerations
- when combined with other sympathomimetics can cause
- HTN
- Dysrhythmias
- Hyperthermia
- CV instability
Herbal Supplements: Garlic
also called what?
Allium sativum
Herbal Supplements: Garlic
has been used for centuries to treat what?
CV disease
DM
Infections
Tumors
Herbal Supplements: Garlic
the _____ in garlic is beleived to decrease thromboxane formation and alter arachidonic metabolism
Cysteine
Herbal Supplements: Garlic
since it decreases thromboxane formation it can inhibit what?
platelet aggregation
Herbal Supplements: Garlic
can potentiate the anti-platelet effects of what drugs (2)?
Aspirin
NSAIDs
Herbal Supplements: Garlic
preop considerations
- Assess bleeding risk
- D?C 7 days b4 sx
Herbal Supplements: Ginger
also called what?
Ziingiber officinale
Herbal Supplements: Ginger
used to treat what?
Arthritis
GI d/o
Vertigo
antiemetic
Herbal Supplements: Ginger
the active component ______ is thought to inhibit prostaglandin and leukotriene sysnthesis
Gingerol
Herbal Supplements: Ginger
is also thought to inhibit ________ synthatase, thus decreasing platelet agregation
thromboxane
Herbal Supplements: Ginger
may ________ the effect of medications with anticoagulation properties
potentiate
Herbal Supplements: Ginger
periop considerations
- assess for bleeding
- Avoid in combination w/ other anticoagulants
Herbal Supplements: Gingko Biloba
is thought to do what?
protect vascular walls and nerve cells
Herbal Supplements: Gingko Biloba
is thought to protect vascular walls and nerve cells by acting as a _____-___ scavengers and ________ platelet activating factor
- free-radical scavenger
- inhibiting
Herbal Supplements: Gingko Biloba
was approved in Germany for the tx of ______
dementia
Herbal Supplements: Gingko Biloba
is also beleived to decrease blood viscosity and improve blood flow to tissues and is used to treat _____
PVD
Herbal Supplements: Gingko Biloba
periop considerations
- Assess bleeding
- Avoid w/ NSAIDs, Aspirin, Warfarin
- D/C 36 hours prior to sx
Herbal Supplements: Ginseng
used in traditional Chinese medicine for what? (3 main things)
immunomodulation
Mood enhancement
aphrodisiac
Herbal Supplements: Ginseng
has mild sympathomimetic effect and may interact with what enzyme? tremors and mania have beenreported
Monoamine Oxidase Enzyme (MAO)
Herbal Supplements: Ginseng
does what to BGL
Hypoglycemia
Herbal Supplements: Ginseng
does what to platelet aggregation
interferes
Herbal Supplements: Ginseng
periop considerations
- Monitor BGL
- May increase bleeding (Assess)
- D/c 7 days prior to sx
Herbal Supplements: Herbal Diuretics
what are 5 types
- Dandelion
- Green tea
- Goldenseal
- Saw Palmetto Berries
- Spearmint
Herbal Supplements: Herbal Diuretics
the MOA is uncertain but it is thought to interfers with the _____ system
RAAS
Herbal Supplements: Herbal Diuretics
do to the diuretic effects significant ____ and _____ disturbances are associated with their use?
fluid and electrolyte
Herbal Supplements: Herbal Diuretics
periop considerations
monitor fluid and electrolytes
correct prior to sx
Herbal Supplements: KAVA
another name
Piper methysticum
Herbal Supplements: KAVA
derived for the dried root of the ___ plant family
pepper
Herbal Supplements: KAVA
what is it used for
anxiolytic and Sedative effects
Herbal Supplements: KAVA
the anxiolytic and seditive effect are mediated by potentiation of what?
GABA
Gamma-aminobutyric acid
Herbal Supplements: KAVA
potentiated effects of what drugs
barbs
Benzos
Herbal Supplements: KAVA
SE are seen in what organ
hepatotoxicity
(LIVER)
Herbal Supplements: KAVA
Perioperative considerations
may reduce MAC
Avaoid hepatotoxic drugs
D/C 24hrs prior to sx
Herbal Supplements: St. John’s Wort
Another name
Hypericum perforatum
Herbal Supplements: St. John’s Wort
is widely used in western societies as what?
antidepressant for mood disorders
Herbal Supplements: St. John’s Wort
similar to more convential antidepressents , and it’s effects are thought to be b/c of thr inhibition of _______, ______, and _______ re-uptake by neurons
Serotonin
Noorepinephrine
Dopamine
Herbal Supplements: St. John’s Wort
found to be equal to _______antidepressants (drug class) in the treatment of mild to moderate depressive d/o
tricyclic
Herbal Supplements: St. John’s Wort
periop considerations
- can lead to serotonergic syndrome
- may increase metabolism of Drugs (d/t potent inducer of CYP450)
- reduces anticoagulation effect of drugs
- Sedative properties may prolong anesthestic drugs
- D/C 5 days b4 sx
Herbal Supplements: Valerian
another name?
Valeriana Officnialis
Herbal Supplements: Valerian
has been used as what?
Anxiolytic sedative
Herbal Supplements: Valerian
produces dose dependent sedation and hypnosis, possiably d/t inhibition of _____ breakdown and re-uptake
GABA
Herbal Supplements: Valerian
acutly stopping will cause what?
withdrawl
Herbal Supplements: Valerian
periop considerations
- Decrease MAC
- Benzo like withdrawl if sudden stop
Illicit Drug Use:
what are signs that indicate illicit drug use?
Track marks
thrombotic veins
Phlebitis
Tattoos
ablation of venous return (unilateral edema)
Sub Q abcess
Illicit Drug Use: Opthalmologic Changes
opiods
constriction (miosis)
Illicit Drug Use: Opthalmologic Changes
Amphetamines
Dilation (Mydriasis)
Illicit Drug Use: Opthalmologic Changes
PCP
Nystagmus
Illicit Drug Use:
malnourishment is usually seen in what obusers opiod or amphetamines?
Amphetamines
Illicit Drug Use:
Poor dentation is usually associated with abusers of what drugs
Amphetamines
Illicit Drug Use:
nasal perforation is isually from what drug abuse
Cocaine
Illicit Drug Use:
S/S of withdrawl (abstinence)
HTN
Tachycardia
Abdominal pain Cramping
Diahrrea
Tremors anxiety
irritability
Lacrimation
Mydriasis
algid sweating
yawning
Illicit Drug Use:
suspection of Drug abuse should be followed up with what?
urine drug screen
Illicit Drug Use: Marijuana
other names
pot
hash
grass
weed
THC
Illicit Drug Use: Marijuana
obtained from what plant
Cannabis Sativa
Illicit Drug Use: Marijuana
What is the active ingrediant
Delta-9-tetrahydrocannabinol (THC)
Illicit Drug Use: Marijuana
effects
possible antiemetic
analgesia
anticonvulsant
appatite stimulant
Illicit Drug Use: Marijuana
1/2 life
56 hours for occasional users
28 hrs for chronic users
Illicit Drug Use: Marijuana
why is the tissue half life so long? (1 weeks)
d/t sequestering in adipose tissue
Illicit Drug Use: Marijuana
complete elimination of a single dose may take up to how many days
30 days
Illicit Drug Use: Marijuana
metabolized by the _____ into more than 20 metabolites (most w/ psychoactive properties)
Liver
Illicit Drug Use: Marijuana
frequent use can lead to what?
- cognative impairment
- Shorted memory span
- Confusion
- altered time perception
- Dulled reflexes
- diff with ADLs
Illicit Drug Use: Marijuana
low or moderate doses _______ sympathetic activity and ________ parasympathetic activity. which results in what?
- increases
- decreases
- tachycardia and increased CO
Illicit Drug Use: Marijuana
High doses ______ sympathetic activity but not parasympathetic activity, leading to what
- inhibit
- Hypotension & bradycardia
Illicit Drug Use: Marijuana
combination with other sedatives (ETOH, Benzo) may enhance _____ Depression
CNS
Illicit Drug Use: Marijuana
effects on CV
- Myocaridal depression and and HR
- BP and HR drugs
- What drugs should you avoid
- increased Myocadial depression and tachycardia
- Potentiates BP and HR drugs
- Avoid drugs that increase HR (ketamine, panc, atropine, ephedrine)
Illicit Drug Use: Marijuana
respiratory effects
- Upper airway irritability
- Cough/bronchitits/ COPD/ bronchospasm
- Upper airway edema
Illicit Drug Use: Marijuana
some reccomend administration of what drug as prophylaxis from airway edema and irritation prior to GA
Dexamethasone
Illicit Drug Use: Opioids
S/S of opioid craving
lacrimation
Rhinorrhea
yawning
Piloerection
Illicit Drug Use: Opioids
S/S of opiod overdose
- Slow RR
- Increased TV
- Miotic pupils
Illicit Drug Use: Opioids
s/s of withdrawl
- restlessness
- insomnia
- mydriasis
- tachycardia
- tachypnea
- HTN
- Dysphoria
- Unconciousness
*
Illicit Drug Use: Opioids
when does withdrawl occur? when does it peak?
4-6 hours post last intake
peaks 48-72 hours
Illicit Drug Use: Opioids
treatment for withdrawl
Opioids
Methadone
Clonidine
Illicit Drug Use: Opioids
what drugs do you want to avoid, bc they can cause withdrawl
Nubain
Narcan
Illicit Drug Use: Opioids Anesthestic considerations
Acute opiiod intoxication does what to MAC
decreases
Illicit Drug Use: Opioids Anesthestic considerations
Chronic opioid abuse does what to MAC
increases it
Illicit Drug Use: Opioids Anesthestic considerations
why do abusers usually have exaggerated pain post op?
- decreased pain tolerance
- decreased productionof endogenous opioids (endorphins, Enkephalins)
- increased post op Opioid requirement
Illicit Drug Use: Cocaine
extracted from the leaves of what plant?
Erythroxylon coca
Illicit Drug Use: Cocaine
available in what hydrochloride forms
powder
granules
crystals
Illicit Drug Use: Cocaine
alkalinizide form (highly addictive) is called what
Crack
rock
free base
Illicit Drug Use: Cocaine
When Smoked injected, snorted or ingested orally inhibits _________ uptake of sympathomimetic NT (AKA NE, Serotonin, Dopamine)
Presynaptic
Illicit Drug Use: Cocaine
produces a pwerful euphoria lasting ____-___ min as a result of free catecholamines stimulation
5-30 min
Illicit Drug Use: Cocaine
blood flow to arteries in areas like the ___ & ____may be compromised as the vessels vasoconstrict or vasospasm temporarily, severly compromising oxygenation and supply; this may lead to irreversable brain damage, stroke, and MI
Heart and brain
Illicit Drug Use: Cocaine metabolism
_____ _____ across lipid membranes d/t low molecular weight and High lipid solubility
Easilly diffused
Illicit Drug Use: Cocaine metabolism
metabolised to water soluble metabolites abd excreted in _____
urine
Illicit Drug Use: Cocaine metabolism
biological 1/2 life?
0.5-1.5 hr
Illicit Drug Use: Cocaine metabolism
______ cholenesterases metabolizes 75-90% of cocaine into ____ INACTIVE metabolites, which can be detected 15-60 min after intacke!
Also name the metabolites
- Plasma
- 2
- ecgonine methyl ester & Benzolecgonine
Illicit Drug Use: Cocaine metabolism
_____ cholinesterase metabolizes 10% of cocaine into ______, an ACTIVE metabolite that produce similar actions as cocaine
LIver
norcocaine
Illicit Drug Use: Cocaine metabolism
Plasma cholinesterase deficiences results in greater liver cholinesterase metabolism whch can ______ the effects of cocaine and increase the risk of complications
Prolong
Illicit Drug Use: Cocaine metabolism
only 1-1.5% is cleared unmetabolized in the urine allowing ots detection only ___ hours after its use
3-6
Illicit Drug Use: Cocaine Anesthesia considerations:
although rare acute aortic dissection can occur, perhaps a consequence of abrupt, sever HTN, from ______ release
catecholamine
Illicit Drug Use: Cocaine Anesthesia considerations:
Why must you be careful with regional
Cocain induced thrombocytopenia can occur form cocaine use
Illicit Drug Use: Cocaine Anesthesia considerations:
why may HTN occur with regional
peripheral vasoconstriction
Illicit Drug Use: Cocaine Anesthesia considerations:
Regional
Ephdrine resitant Hypotension may occur. what drug may correct this
Phenylephrine
Illicit Drug Use: Cocaine GETA
What drugs are contraindicated to treat Severe HTN an dCardiac arrhythmias
- BBs
*
Illicit Drug Use: Cocaine GETA
why is hydralazine good for HTN in these ots?
vasodilation effects and decreased SVR
(watch for tachycardia relfex)
Illicit Drug Use: Cocaine GETA
VAAs and especially _______ may produce arrhythmias
Halothane
Illicit Drug Use: Cocaine GETA
why is ketamine avoided
CNS stimulat effects- increases catecholamines
Illicit Drug Use: Cocaine GETA
why shoud etomidate be avoided
myoclonus
seizures
hyperreflexia
Illicit Drug Use: Cocaine GETA
what may happen to SCh duration and why?
prologation
d/t depletion of cholinesterase by cocaine metabolism
Illicit Drug Use: Cocaine GETA
what drug may delay cocain induced seizure activity and increase the cumulative doses of cocaine necessary to produce seizures
Dexmedetomidine