Rosacea - Central and Eastern Sydney PHN
Transcription
Rosacea - Central and Eastern Sydney PHN
Rosacea: Diagnosis and Management Dr Michelle Hunt MBBS, MM, FACD, FACMS Inner Sydney Dermatology 2014 Inner Sydney Dermatology n n n General dermatology Skin cancer management Cosmetic dermatology: n n n n n Muscle relaxing injections Hyperhidrosis therapy Chemical peels Dermal ‘Fillers’ Lasers n n n n n Vbeam® Perfecta laser Q-switched Nd-Yag laser Fraxel® Re:store Dual laser Emerge® laser Coolsculpting M Hunt IWSML August 2014 What is Rosacea? n n n Chronic disorder affecting mainly the convex central face Polymorphic Characterised by: Frequent flushing n Persistent erythema and telangiectases n Episodes inflammation: papules, pustules, swelling n M Hunt IWSML August 2014 Rosacea: who is affected? n More common in Fair skinned individuals n Young-middle aged adults (30-50 yrs) n Women (although more severe in men) n n Genetic predisposition also a factor M Hunt IWSML August 2014 Rosacea: what causes it? n n n n Exact cause(s) uncertain Damage to dermal connective tissue à dysfunction unsupported vasculature Roles of Helicobacter pylori Role of Demodex mite M Hunt IWSML August 2014 Rosacea: what causes it? n Chronic inflammation n Production pro-inflammatory cytokines Aberrant cathelicidin expression n Elevated Kallikrein 5 proteolytic activity n Altered toll-like receptor 2 expression n n Vascular/neurovascular changes Localised vasodilatation n Angiogenesis (cathelicidin LL-37) n Tissue fibrosis n n Altered innate immune response M Hunt IWSML August 2014 Rosacea: common triggers n n n n n n Sun exposure Emotional influences: stress, embarrassment, anger Extremes of temperature and weather Exercise: intensive workouts Drinks: hot drinks, alcohol Foods: spicy or large hot meals M Hunt IWSML August 2014 Rosacea: clinical features n n n n n Episodic flushing (usually no increased sweating) Erythema, burning sensation Telangiectases Follicular and non follicular papules and pustules (without comedones) Oedema, fibrosis, glandular hyperplasia (phymas) M Hunt IWSML August 2014 Rosacea: clinical features n Other potential signs and symptoms: Eye irritation n Burning and stinging n Dry appearance n Plaques n Facial swelling n Extrafacial signs: neck, chest, scalp, ears n M Hunt IWSML August 2014 Rosacea: histopathology n n n n n Dilated superficial blood vessels Dilated lymphatic channels Solar elastosis Inflammation (ranging from mild perivascular/periofollicular lymphohistiocytic infiltrate to granulomatous) Demodex folliculorum (51%) M Hunt IWSML August 2014 4 Rosacea subtypes n n n n Erythrotelangiectatic Rosacea Papulopustular rosacea Phymatous rosacea Ocular rosacea M Hunt IWSML August 2014 Rosacea: clinical progression n n n Early/ erythrotelangiectatic rosacea n Episodic flushing n Mild telangiectases n Transient oedema Progressive (papulopustular rosacea) n Papules, Pustules n Sustained oedema n Extensive telangiectases Late n Induration n Phymas eg. rhinophyma M Hunt IWSML August 2014 Rosacea: complications n Eye involvement Occurs in > 50% pts n Pathogenesis not well understood ?reduced tear secretion, meibomian gland dysfunction n Grittiness, irritation, dry eyes, conjunctival erythema, blepharitis, episcleritis, chalazion, keratitis n M Hunt IWSML August 2014 Rosacea: complications n Chronic lymphoedema Face (especially upper face: Morbihans’s Disease), ears n Histology: lymphoedema, inflammatory cell infiltrate n M Hunt IWSML August 2014 Phymas n Localised swelling of facial soft tissues due to variable combinations of: Lymphoedema n Fibrosis n Sebaceous hyperplasia n M Hunt IWSML August 2014 Phymas n n n n n Rhinophyma (nose) Metophyma (forehead) Gnathophyma (chin) Blepharophyma (eyelids) Otophyma (ears) M Hunt IWSML August 2014 Rosacea: differential Dx n n n n n n n Acne vulgaris Perioral dermatitis Seborrhoeic dermatitis Tinea faceii Lupus erythematosis Nasal sarcoidosis (lupus pernio) Carcinoid (severe flushing) M Hunt IWSML August 2014 Rosacea: treatment options n General measures Avoid irritants and triggers n Sun protection n Cosmetic camouflage n M Hunt IWSML August 2014 Rosacea: treatment options n Topical: Metronidazole 0.75% - 1 % gel/cream n Azelaic acid 15-20% n Erythromycin, clindamycin n Retinoic acid 0.025% n Sodium Sulphacetamide 10% - 4% sulphur n Anti Demodex eg. Ivermectin 1%, Permethrin 5% n Calcineurin inhibitors (tacrolimus 0.1%, pimecrolimus 1%) n Bromonidine tartrate gel 0.33% n M Hunt IWSML August 2014 Rosacea: treatment options n Systemic: n Antibiotics Doxycycline n Minomycin n Metronidazle n n Isotretinoin 10-60 mg /day M Hunt IWSML August 2014 Flushing: treatment options n Beta blockers Clonidine 50 ug bd n Propranalol 40 mg bd n M Hunt IWSML August 2014 ETR: treatment options n Vascular laser Pulsed dye laser n Long pulsed Nd-Yag laser n n IPL M Hunt IWSML August 2014 Lymphoedema: treatment options n n n n Antibiotics (reduce inflammatory component) Low dose isotretinoin (0.1-0.2 mg/kg/day over 2-4/12) Prednisone Facial massage M Hunt IWSML August 2014 Rhynophyma: treatment options n n n n n Oral isotretinoin Surgical paring Electrosurgery Ablative lasers Fractionated lasers M Hunt IWSML August 2014 Ocular rosacea: treatment options n n n n General eye care Liquid paraffin ointment Doxycycline (100 mg/d) Avoid retinoids M Hunt IWSML August 2014 Rosacea: what’s new? n n n Botanicals Nicotinamide Mirvaso® (bromonidine tartrate 0.33%) M Hunt IWSML August 2014 Rosaliac AR Intense n 3 active ingredients: Ambophenol: vegetable extract rich in polyphenols, reduces size of blood vessels and strengthens walls n Neurosensine: dipeptide, soothing, reduces appearance of redness n Thermal Spring Water: anti-irritant n n Free of preservatives, parabens, alcohol, fragrance, colorant M Hunt IWSML August 2014 Redness Relief CalmPlex™ n n n Inhibits PGE Prevention vasodilatation Prevention UV induced inflammation M Hunt IWSML August 2014 Redness Relief CalmPlex™ n CalmPlex TM-4-Ethoxybenzaldehye n n Niacinamide n n Suppresses release PGE2 (key mediator of inflammation) Improves barrier function, reduces sebum production Squalene and Jojoba oil Improves barrier function, moisturisation n Controls release inflammatory cytokines n M Hunt IWSML August 2014 Brimonidine tartrate (Mirvaso®) n n n n n n Highly selective alpha-adrenergic receptor agonist Induces peripheral vasoconstriction Aug 2013 FDA approved for Rx facial erythema rosacea 0.33% once daily application (small pea sized amount to each of 5 facial areas) 30g tube Available Sept 1 M Hunt IWSML August 2014 Brimonidine tartrate (Mirvaso®) n n n n n n Rapid onset within 30 min Peak effects lasting over 4-6 hours Gradual return of erythema towards baseline over 12hours Safe for long term use S/E mild and short-lived (skin irritation, itching, burning, flushing) < 5% rebound M Hunt IWSML August 2014