Cosmetic Surgery Flashcards
What bacteria produces hyaluronic acid for fillers
Streptococcus equi species
Name 4 hyaluronic acid fillers
Restylane
Juvederm
Perlane
Belotero
What is the ratio of Boxtox to Dysport
1:3
What is the brand name of Onabotulinumtoxin-A
Botox
What is the brand name of Abobotulinumtoxin-A
Dysport
How does botox work.
Cleaves SNAP25 in the PREsnaptic neuron preventing acetylcholine release.
What is the brand name of Botulinum toxin B
Myoblox or Neuro/block
What is the difference between Botulinum A an B
Botox/Dysport (A) cleaves SNAP25 in the SNARE complex while Myobloc/Neuroblock cleaves Snynaptobrevin
What is the chemical irritant agent used in sclerotherapy
Chrom alum Glycerin FDA approved but off label
What is an hyperosmotic agent that is used in sclerotherapy.
Hypertonic Saline 18-30% FDA approved for abortions off label for sclerotherapy.
Name four detergents used in sclerotherapy
Sodium tetradecyl sulfate FDA approved
Polidocanol FDA approved
Sodium Mortuate FDA approved
Ethanolamine oleate FDA approved (mostly varices)
What is Deoxycholic acid
Kybella a bile acid used to treat sub mental fat.
How many Deoxycholic acid treatments do you need.
3 to 6 one month apart. 2mg/cm2
What are the 3 S’s in the SNARE complex
Syntaxin
SNAP-25
Synaptobrevin
at what concentration does TAC peel give frosting
20%
how do assess depth of penetration of a TCA peel
Frosting
how long must you wail to assess TCA frosting
5 minutes
At what concentration does TCA penetrate to the papillary dermis
35% Below 30% is only epidermal penetration.
At what concentration of TCA do you get reticular dermal penetration
50% or higher
What causes the frosting in a TCA peel
denaturation of protien
Name three ways to increase the TCA peel depth of penetration.
repeated application
pretreat with Jessners
abraid skin first
what are the three levels of frosting with TCA
light reticular
confluent with erythema
solid without erythema
What are the four elements that increase longevity
to hyaluronic acid fillers
particle size bigger longer lasting
G’ elastic modulus the higher the more long lasting
cross links higher the more long lasting
concentration
% of haluronic acid in mg/ml is made of what
The free HA (solubilized) + insoluble … free HA is metabolized quickly
What peel requires neutralization with either sodium bicarb or h20
Glycolic acid peels
What filler can be seen with regular x-ray
Radiesse
Fillers not seen on regular x ray can sometimes be seen on what study
CT and MRI
At what level do you inject Radiesse?
dermal subQ junction
Where is on place you should not inject Radiesse? and why.
lips, granulomas
Which lasts longer Radiesse or Voluma
Voluma 2 years Radiesse 15 mos
what chemical is gore tex and or soft form
polytetrafluoroethylene
How long does gore tex last
permanent
the poly lactic acid filler is named what
Sculptra
how long does sculptra last compared to HA fillers
twice as long
what fillers are glycoaminoglycans
hyaluronic acid fillers
what level is sculptra injected at
upper Sub Q layer
what is the interval of sculptra injections
4-6 weeks
Cosmoderm is made of what
collagen
How long does collagen (Cosmoderm) last in the skin
2-4 months
What is Belotero
Hyaluronic acid filler used for fine lines & superficial rhytids lasts 6 months