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23 Cards in this Set

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What are the steps in a CHRONIC VASCULAR RESPONSE?
-Body has numerous primary sensory neurons that responds to ROSACEA TRIGGERS
-Transient Receptor Potential Vanillloid(1), which are linked to ERYTHEMATOTELANGIECTATIC ROSACEA, are activated by rosacea triggers and cause a vasodilation response followed by a rapid recovery.
-A pathological response leads to release neuropeptides.
-The neuropeptides act as vasodilators, causing prolonged dilation of the blood vessels.
-Resulting in warmth on skin, sustained flushing and facial erythema.
CHRONIC VASCULAR RESPONSE.
What are the steps in the CHRONIC INFLAMMATORY RESPONSE?
-In rosacea affected skin toll-like receptors(2) are triggered and a chemical cascade occurs.
-White blood cells are sent to the pilosebaceous unit causing inflammation.
-Then a proteases called kallikrein-5 is produced.
-Kallikrein-5 break apart an antimicrobial peptide called cathelicidin LL-37 to create LL-37 peptide fragments.
-Causing increase of white blood cells to pilosebaceous unit and increase of inflammation.
CHRONIC INFLAMMATORY RESPONSE
WHAT ARE THE STEPS OF A HISTOPATHOLOGICAL CHANGES?
Once inflammation in facial skin is chronic
-Neutrophils leak into the dermis and destroy skin tissue.
-Neutrophils then release destructive compounds: matrix-metalloproteinases, nitric-oxide, and reactive oxygen species.
-Nitric Oxide causes vasodilation, which contributes to both chronic and inflammatory response in rosacea.
-matrix-metalloproteinases and reactive oxygen species work in a chronic inflammatory response by weakening skin elements of collagen and elastin.
-Causing skin elasticity of stratum corneum barrier.
-Resulting in dry, scaling, flaking.
Histopathological Response.
WHAT IS THE PATHOLOGY OF ROSACEA?
-Pathothology is not fully understood.
-Hyperactivity in skin neuronal sensory systems=vasodilation
-Overactivity of the skins innate immune system=inflammation
-Development of permanent vascular changes
Resulting in complex dysregulation of inflammatory, neuronal, and vascular systems.
WHAT ARE THE SIGNS OF "OCULAR" ROSACEA
-Burning eyes and stinging eyes.
-Watery blood shot eyes.
-Dryness and Itching eyes.
-Telangiectasia of conjunctiva.
-Conjunctiva.
-Blepharitis.
WHAT ARE THE SIGNS OF PHYMATOUS ROSACEA?
-Thickening of skin and large pores.
-Rynophyma.
-Also occur on the chin, cheeks, forehead, and ears.
-Has been seen after or in combination with subtypes (1) and (2).
WHAT ARE THE SIGNS OF "PAPULOPUSTULAR" ROSACEA?
-Persistent facial erythema.
-Popules and/or pustules in a central facial distribution.
-Resembles acne however no comedones are present.
-Secondary stinging or burning may occur.
-May work with Erythematotelangiectasia.
WHAT ARE THE SIGNS OF "ERYTHEMATOTELANGIECTATIC " ROSACEA?
PRIMARY
-Flushing 10 or more times.
-Telangiectasia.
-Persistent facial redness.

SECONDARY
-Dryness and Scaling.
-Edema.
-Stinging and burning.
ACCORDING TO THE NATIONAL ROSACEA SOCIETY, WHAT ARE PHYCHOSOCIAL IMPACT OF ROSACEA AND PERCENTAGES?
-Adversely affected professional interaction (88%)
-Missed work (51%)
-Denied promotion (41%)
-Denied new job (39%)
WHAT ARE THE PRIMARY AND SECONDARY SIGNS OF ROSACEA?
PRIMARY
-Transient erythema.
-Non - Transient Erythema.
-Popules and pustules
-Telangiectasia

SECONDARY
-Edema
-Dryness and Scaling
-Burning and Stinging
-Plagues
ACCORDING TO THE NATIONAL ROSACEA SOCIETY, WHAT ARE THE (4) MOST COMMON TRIGGERS OF ROSACEA?
-Sun exposure (81%)
-Emotional (79%)
-Hot Weather (75%)
-Wind (57%)
WHAT ARE THE TWO TYPES OF ROSACEA TRIGGERS?
-Environmental
-Ingested and Introgenic
WHAT ARE THE FOUR TYPES OF ENVIRONMENTAL TRIGGERS?
-Weather
-Activity
-Emotional
-Temperature
WHAT ARE THE INGESTED AND INTROGENIC TRIGGERS?
-Beverages
-Food
-Drugs
-Topical agents
WHAT IS ROSACEA?
-Rosacea is a chronic inflammatory disease that affects the pilosebaceous unit.
-Blood vessels.
-Causing facilities redness, Popules and pustules.
WHAT IS THE EPITIOLOGY OF ROSACEA?
-16 million
-30's and 50's
-4% African, Asia, Latino
-Fitzpatrick phenotype 1 and 2
-Celtic, Northern European, Welsh
WHAT ARE THE PRIMARY FUNCTION OF "TOLL-LIKE RECEPTORS(2)"
-Activation of TOLL-LIKE RECEPTORS ( 2 ) attract white blood cells to the pilosebaceous unit, causing inflammation.
-Activation of TOLL-LIKE RECEPTORS ( 2 ) increases production of proteases called kallikrein -5, which break apart cathelicidin LL-37 into inflammation triggering LL-37 fragments.
WHAT ROLES DO NEUROPEPTIDES PLAY IN THE PATHOLOGY OF ROSACEA?
Neuropeptides act a vasodilators, causing prolonged dilation of blood vessels.
WHAT ARE CATHELICIDIN LL-37?
-Important molecule of innate immunity of the skin.
-CATHELICIDIN LL-37 splits into LL-37 fragments.
-Affected skin is perceived as pathological.
-Resulting in more inflammation.
WHAT ARE PRIMARY SENSORY NEURONS?
-Primary sensory neurons can effect vascular change.
-TRANSIENT RECEPTOR POTENTIAL VANILLLOID are abundant.
-Respond to temperature change,mechanical stimuli, and chemical stimuli.
WHAT IS THE ROLE OF NITRIC OXIDE?
WHAT IS THE ROLE OF MATRIX-METALLOPROTEINASES?
WHAT IS THE ROLE OF REACTIVE OXYGEN SPECIES?
-Nitric Oxide promotes vasodilation contributing to chronic response.
-Matrix-metalloproteinases and reactive oxygen species weaken skin's structure elastin and collagen.
-Play a role in chronic inflammatory response.
WHAT ARE FOUR ROSACEA TRIGGERS?
-Stress
-Dairy products
-Strong wind
-Hot baths
WHAT HAPPENS WHEN TRANSIENT RECEPTOR POTENTIAL VANILLLOID (1) IS ACTIVATED IN HEALTHY SKIN?
Transient dilation of the skin's blood vessels,followed by rapid recovery .