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23 Cards in this Set
- Front
- Back
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what is the gold standard of fillers?
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bovine collagen - type 1 (95%)
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how long does soft tissue augmentation last?
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3-5mos
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where does human collagen come from? what is the advantage?
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neonatal foreskin
don't need to test for hypersensitivity |
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what is autologous fat transplantation best used for?
what are the drawbacks? |
for deeper defects
bruising/ swelling, variable survival of graft, not permanent |
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hyaluronic acid
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painful, but lasts longer
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what are synthetic fillers for? what are the Cx?
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correcting lipoatrophy - will actually cause collagen to form w/ fibrotic rxn
Cx: migration, granuloma formation |
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what is the MC cosmetic procedure in the US?
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botulism toxin (type A)
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where is botox used?
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upper 1/3 of face
palms for hyperhidrosis |
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what is the Tx of choice for telangiectic and reticular veins?
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sclerotherapy
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what is sclerotherapy?
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10-30% saline injected into vein to occlude it
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what is the main Cx of sclerotherapy?
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ulceration; also painful unless using SDS - foam
hyperpigmentation, necrosis, telangiectatic matting, arterial injection |
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series of stab incisions w/ removal of vein - 2nd line
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ambulatory phlebectomy
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catheter into vein w/ outside heat source to ablate vein - 2nd line
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endovenous ablation
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where does a superficial peel reach?
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papillary dermis
used for: photoaging, AK, solar lentigenes, pigmentary dyschromias; NOT wrinkles |
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what layer does a peel need to reach to correct wrinkles?
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dermis - use medium peel to reach deep papillary dermis
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what are lasers used for?
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vascular and melanocyte destruction
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how is a laser targeted precisely to specific areas?
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wavelength
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tattoo removal
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Nd:YAG
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laser hair removal
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long-pulsed: ruby, alexandrite, Nd:YAG
diode |
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ablative resurfacing
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Er:YAG, CO2
targets water; wrinkle, scar, AK, etc reduction **extensive recovery time*** |
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non-ablative resurfacing
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better recovery time than ablative
wrinkles, scars Tx |
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should a pt stop anticoagulative therapy before dermatologic surgery?
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no -- will incr risk of CV events
DO stop ASA |
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what are the types of skin grafts?
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full thickness - MC, has dermis
split thickness: large areas composite: skin + underlying structures |
