Hot Trends in Cosmetic Dermatology: Neck, Chest and Body ... fileQuickly . . . 30% of dermatologists...
Transcript of Hot Trends in Cosmetic Dermatology: Neck, Chest and Body ... fileQuickly . . . 30% of dermatologists...
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Hot Topics in Cosmetic
Dermatology:
Comprehensive Neck and
Chest RejuvenationAnne Marie Mahoney, MD
August 13, 2016
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Quickly . . . 30% of dermatologists in 2008 reported employing
physician assistants and/or nurse practitioners1
40% increase compared to 2002
Cosmetic/surgical dermatologists were more likely than
general dermatologists to have PAs/NPs
40% vs. 26%
A 2011 study published in Dermatologic Surgery found
that physician extenders in dermatology offices
dedicated between 7-15% of their time on cosmetic
patients2
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Considerations for neck and
chest rejuvenation Ensures harmonious transition from face to neck and
chest
Increased risk for complications given:
Thinner epidermis
Thinner dermis
Decreased pilosebaceous units
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The Neck
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Cryolipolysis for decreasing
submental fat Commercially available as CoolMini (CoolSculpting systems;
ZELTIQ)
Takes advantage of the fact that lipid rich adipocytes are more susceptible to cold injury than cells with water
Apoptosis inflammatory response
Safe in all skin types
Phase III study3
91% of photographs were correctly identified as baseline and post rx by blinded reviewers
83% of subjects were satisfied
80% would recommend to friend
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Treatment protocol Treatment cycle of 60 minutes at -10 C, vacuum of 50
Reduced to 45 mins with new chips
Initially one application per rx visit, but now recommendation is to place right and left of midline so two cycles at one visit
2 minute post treatment massage
Crucial
Repeat every 5-6 weeks
1-3 rxs needed
Results in as early as 3 weeks, maximum in 3-4 months
Erythema, edema, numbness, bruising, pin prick sensation
More tolerable compared to deoxycholic acid
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MDLSV
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Four weeks post one
treatment cycle
MDLSV
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Deoxycholic acid
Kybella (Allergan)
Synthetic injectable bile acid that causes adipocyte
lysis
Inflammatory response ensues
May cause neocollagenesis
FDA approved in 2015 for treatment of submental fat
Safe for all skin types
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Deoxycholic acid treatment
protocol Anesthesia recommended
No more than 6 cc per treatment session
0.2 cc per injection, spaced 1 cm apart
Inject in subcutaneous tissue to decrease risk for epidermal ulceration
Pinch treatment area
Treatment intervals every 4 weeks
Because of inflammatory response, increasing to 6-8 weeks
Erythema, bruising, tenderness, induration, nodules, swelling (bullfrog appearance), numbness
Rare, but reported risks:
marginal mandibular nerve injury, dysphagia
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MDLSV
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Deoxycholic acid Pearls Not recommended in those with excess skin
Takes photos with patient smiling and puckering at
baseline
Have patient say “eeeeeee” to assess for preplatysmal
fat
Although tempting, do not treat jowel as risk to marginal
mandibular nerve is too high
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MDLSV
Kybella 3 rxs, 25.6 cc total
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MDLSV
Kybella 3 rxs, 25.6 cc total
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Kybella 2 rxs, 8 cc total
MDLSV
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On the horizon Microfocused ultrasound with visualization (Ulthera)
Non-inferiority study evaluating 2 lines delivered
simultaneously (Simulines hand piece) versus 1 line
(Standard hand piece) currently underway
Lower face and neck
4.5 and 3.0 mm depths
~672 pulses vs. 366 pulses
Assessing efficacy and tolerability
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Final thoughts Fat removal is permanent
Unveiling of platysmal bands can be treated with
neuromodulators
~ 30 units of onabotulinum toxin, 5 units per injection
~ 60 units of abobotulinum toxin
Skin laxity can be treated with microfocused ultrasound or
radiofrequency
Reports of both cryolipolysis and deoxycholic acid causing skin
tightening
Newest device is subsurface radiofrequency
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The Décolletage
Methods for improving wrinkles, laxity, creepiness
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Neuromodulator for Décolleté
Wrinkles First reported in 20025
Smooths vertical and horizontal wrinkles of chest wall
Taking advantage of the platysma muscle which inferiorly inserts on the 2nd or 3rd rib and medially creates traction in the deep central chest
Will not alleviate wrinkles from positional habits during sleep or gravity
Off label use
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Injection sites for vertical
wrinkles5
Injection sites for
horizontal wrinkles5
• Onabotulinum toxin
• ~15-30 units per session
• Abobotulinum toxin6
• 12 injection points with 10 U/injection point
• ~75-100 U/session
• Needle should be perpendicular to skin and about 4 mm deep
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Before After
Becker Wegerich et al. Derm Surg
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Baseline4 weeks post 80
units of
abobotulinum toxin
MDLSV
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MDLSV
Platysma baseline and post
injections
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Poly-L-Lactic Acid (PLLA) Semi-permanent filler
Lasts 2 years or more
Stimulates fibroblasts inducing neocollagenesis
Results not immediate
Improves skin texture, volume and and laxity
Higher risk for nodule formation compared to hyaluronic acid
Higher dilutions
Dilute for longer periods of time
Avoid excessive quantities or overinjection
Space injections at least 4 weeks apart
Rule of 5’s massage
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PLLA for chest rejuvenation Recommend 16 mL dilution7
48-72 hours prior to treatment
7 mL of sterile or bateriostatic water is slowly added
Day of procedure
Vial should be at room temperature
Add 2 mL 1% lidocaine +/- epi
Add 5 mL sterile or bacteriostatic water
Roll vial gently, do not shake
27 or 25 G, 1.5 inch needle
22 G, 5 cm cannula
Retrograde injections in subcutaneous tissue
Massage vigorously
Off label use
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Post 3 sessions, 1 m apart
Peterson et al Derm Surg.
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Post 2 sessions
Mazzuco et al. Derm Surg.
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Microfocused ultrasound with
visualization (MFU-V) Ultherapy
Ultrasound Produces microthermal zones of coagulation (1 mm3) in the mid
to deep reticular demis neocollagenesis and collagen remodeling
Preselected depths to intended tissue plane
Visualization allows for avoiding vessels and bone
Safe in all skin types
Originally FDA approved for noninvasive eyebrow lift (2009)
Neck and submental lift
Lines and wrinkles of décolletage (2014)8
Improves laxity and skin wrinkles
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MFU-V:
Treatment protocol Analgesia almost always required:
Ibuprofen, acetaminophen, benzodiazepines, narcotics
4.0 MHz, 4.5 mm and 7.0 MHz, 3.0 mm depths 120 lines at each depth
Advance 2-3 mm
Targeting fibromuscular tissue surrounding pectoralis and reticular dermis
If bone or breast implants are seen perform all lines at 3.0 mm depth
Improvement seen at 3-6 m
Rx intervals of every 6-12 m PRN
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Fabi et al. JAAD
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6 m post 1 rx
Fabi et al. JAAD
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6 m post 1 rx
Fabi et al. JAAD
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Dyschromias and Erythema of
neck and chest Decrease fluence, density and number of passes
Light peels and “Light” medium depth peels
Intense pulsed light
Q-switched and picosecond lasers
Resurfacing lasers
Fractionated, non-ablative
Fractionated, ablative
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Sources1. Resneck JS, Kimball AB. Who else is providing care in dermatology practices? Trends in
the use of nonphysician clinicians. J Am Acad Dermatol. 2008 Feb;58(2):211-6
2. Tierney EP, Hanke CW, Kimball AB. Practice models and roles of physician extenders in dermatologic surgery. Dermatol Surg. 2011 May;37(5):677-83.
3. Kilmer SL, Burns AJ, Zelickson B. Safety and Efficacy of Cryolipolysis for Non-Invasive Reduction of Submental Fat. Lasers Surg Med. 2016 Jan;48(1):3-13.
4. Jones DH, Carruthers J, Joseph JH et al. REFINE-1, a Multicenter, Randomized, Double-Blind, Placebo-Controlled, Phase 3 Trial With ATX-101, an Injectable Drug for Submental Fat Reduction. Dermatol Surg. 2016 Jan;42(1):38-49.
5. Becker-Wegerich PM, Rauch L, Ruzicka T. Botulinum toxin A: successful décolleté rejuvenation. Dermatol Surg. 2002 Feb;28(2):168-71.
6. Peterson J, Goldman M. Rejuvenation of the Aging Chest: A Review and Our Experience. Dermatol Surg. 2011 May;37(5):555-71.
7. Mazzuco R, Hexsel D. Poly-L-lactic acid for neck and chest rejuvenation. Dermatol Surg. 2009 Aug;35(8):1228-37.
8. Fabi SG, Massaki A, Eimpunth S et al. Evaluation of microfocused ultrasound with visualization for lifting, tightening, and wrinkle reduction of the decolletage