pressure ulcers: staging and risk assessment
DESCRIPTION
Pressure Ulcers: Staging and Risk Assessment . Keri Holmes- Maybank , MD Medical University of South Carolina. Pressure Ulcers. Pressure Ulcers. 2.5 million hospitalized patients/yr 60,000 die/yr from pressure ulcer complications 1 in 25 if pressure ulcer reason for admit - PowerPoint PPT PresentationTRANSCRIPT
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Pressure Ulcers: Staging and Risk Assessment
Keri Holmes-Maybank, MDMedical University of South Carolina
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Pressure Ulcers
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2.5 million hospitalized patients/yr 60,000 die/yr from pressure ulcer
complications ◦ 1 in 25 if pressure ulcer reason for admit◦ 1 in 8 if pressure ulcer secondary diagnosis
10-18% acute care patients 0.4-38% acute care new ulcers
Pressure Ulcers
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80% increase pressure ulcer related hospitalizations 1993-2006
Length of Stay 13-14 days (average LOS 5 days)
$9.2-15.6 billion in 2008 1999-2002 awards avg $13.5 million $312 million in one case
Pressure Ulcers
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Reduces quality of life Interfere with basic activities of daily living Increased pain Decrease functional ability Infection – OM and septicemia Increase length of stay Premature mortality Deformity
Impact on Patients
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Localized injury to the skin and/or underlying tissue
0ver a bony prominence Result of pressure, or pressure in
combination with shear.
Pressure Ulcer
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Pressure is the force that is applied perpendicular to the surface of the skin.
Compresses underlying tissue and small blood vessels hindering blood flow and nutrient supply.
Tissues become ischemic and are damaged or die.
Pressure
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Shear occurs when one layer of tissue slides horizontally over another, deforming adipose and muscle tissue, and disrupting blood flow.
Ex: when the head of the bed is raised > 30 degrees.
Shear
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Occiput Ear Scapula Spinous Process Shoulder Elbow Iliac Crest Sacrum/Coccyx Ischial Tuberosity Trochanter Knee Malleolus Heel Toe
Bony Prominences
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Bony Prominences
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Any skin surface subjected to excess pressure◦ Oxygen tubing◦ Drainage tubing◦ Casts◦ Cervical collars
Additional Areas
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Bed bound individuals form a pressure ulcer in as little as 1-2 hours.
Those in chairs may form a pressure ulcer in even less times because of greater relative force on skin.
Time to Pressure Ulcer
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Expert panels recommend use of risk assessment tools.
Tool is better than clinical judgment alone. Scores are predictive of pressure ulcer
formation. Patients with a risk assessment have better
documentation and more likely to have prevention initiated.
Braden Scale
Risk Assessment
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Limited ability to reposition self in bed or chair◦ Stroke with residual deficits◦ Post-surgical◦ Paraplegic◦ Quadraplegic◦ Wheelchair bound◦ Bed bound
Who do you screen?
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Sensory perception Moisture Activity - degree of physical activity Mobility – ability to change body position Nutrition Friction and Shear
Braden Scale
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Ability to respond meaningfully to pressure-related discomfort.
Completely Limited ◦ No moan/flinch, cannot feel pain most of body
Very Limited – ◦ Responds only to pain, cannot feel pain ½ body
Slightly Limited – ◦ Responds to command, cannot feel pain 1-2 limbs
No Impairment
Braden Scale – Sensory Perception
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Braden Scale - Moisture Degree to which skin is exposed to
moisture.
Constantly Moist Very Moist
◦ Often but not always, change sheets each shift Occasionally Moist
◦ Extra linen change a day Rarely Moist
◦ Only routine linen change
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Braden Scale - Activity Degree of physical activity.
Bedfast Chairfast
◦ Assisted into chair, cannot or barely walk Walks Occasionally
◦ Very short distance, most shift in bed Walks Frequently
◦ Walks outside room or in room every 2 hours
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Braden Scale - Mobility Ability to change and control body position.
Completely Immobile Very Limited
◦ Unable to make frequent or significant changes Slightly Limited
◦ Makes frequent but small changes No Limitation
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Braden Scale - Nutrition Usual food intake pattern.
Very Poor◦ 1/3 meal, <2 servings protein, NPO w IVF
Probably Inadequate◦ ½ meal, 3 servings protein, poor tube feeds
Adequate◦ >1/2 meals, 4 servings protein, supps, TF or TPN
Excellent
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Braden Scale – Friction and Shear Sliding, rubbing against sheets, bed, chair,
etc.
Problem◦ Mod-max assist, slides, cannot move without slide
against sheets, spasticity, contractures, agitation Potential Problem
◦ Feeble, min assist, occ slides, indep moves with slide
No Apparent Problem
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Braden Scale score of 18 or less initiate prevention.
Score of 1 or 2 initiate specialty bed.
Braden Scale
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National Pressure Ulcer Advisory Panel
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Partial thickness wound involves ONLY the epidermis and dermis – Stage II.
Full thickness wound involves the epidermis and dermis and extends into deeper tissues (subcutaneous fat, muscle) – Stages III and IV.
Partial and Full Thickness
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The ulcer appears as a defined area of redness that does not blanch (become pale) under applied light pressure – Stage I.
Non-Blanchable Erythema
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Tissue destruction underneath intact skin at the wound edge.
Wound edges are not attached to the wound base.
Edges overhang the periphery of the wound.
Pressure ulcer may be larger in area under the skin surface.
Undermining
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Undermining
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Tunnel is a narrow channel of tissue loss that can extend in any direction away from the wound through soft tissue and muscle.
Tunnel may result in dead space which can complicate wound healing.
Depth of the tunnel can be measured using a cotton-tipped applicator or gloved finger.
Tunneling
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Tunneling
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Stage I
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INTACT SKIN. NON-BLANCHABLE redness of a localized
area. Difficult to detect in individuals with dark
skin tones - affected site is deeper in color. Surrounding skin will feel different than
effected area. May indicate “at risk” persons.
Stage I
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Stage I
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Stage II
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Partial thickness loss of dermis presenting as shallow open ulcer with a RED-PINK wound bed.
Shiny or dry shallow ulcer. No slough or bruising. BLISTER - intact, open or ruptured serum or
serosangineous-filled. Tissue surrounding the areas of epidermal
loss are erythemic.
Stage II
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Stage II
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Stage III
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FULL-THICKNESS tissue loss. Subcutaneous fat may be visible. Bone, tendon, or muscle is NOT visible or
directly palpable. Slough may be present but does NOT
obscure the depth of tissue loss. May include undermining and tunneling.
Stage III
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The depth of a Stage III pressure ulcer varies by anatomical location.
The bridge of the nose, ear, occiput and malleolus do not have subcutaneous tissue so Stage III ulcers can be shallow.
Areas of significant adiposity can develop extremely deep Stage III pressure ulcers.
Stage III
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Stage III
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Stage IV
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FULL-THICKNESS tissue loss. BONE, TENDON, or MUSCLE is visible or
directly palpable. Slough or eschar may be present but does
NOT obscure wound bed. Often includes undermining and tunneling. Can extend into supporting structures
(fascia, tendon or joint capsule) making osteomyelitis or osteitis likely .
Stage IV
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The depth of a Stage IV pressure ulcer varies by anatomical location.
The bridge of the nose, ear, occiput and malleolus do not have subcutaneous tissue and these ulcers can be shallow.
Stage IV
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Stage IV
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Unstageable
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FULL-THICKNESS tissue loss in which SLOUGH (yellow, tan, gray, green, or brown), ESCHAR (tan, brown, or black), or both COVER the base of the ulcer.
Cannot determine true depth of wound secondary to slough and/or eschar.
Will be either a Stage III or IV.
Unstageable
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Unstageable
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Deep Tissue Injury
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INTACT SKIN. PURPLE or MAROON. BLOOD FILLED BLISTER. May be difficult to detect in individuals with
dark skin tones. Color and mechanical stiffness of the skin
(firm, mushy, boggy) assist in differentiating between DTI and a Stage I pressure ulcer.
Deep Tissue Injury
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Most common:◦ Sacrum, buttocks and heels.
Heel may look like a bruise or a blood blister.
1% resolve spontaneously. Evolution:
◦ Thin blister over a dark wound bed.◦ Covered by thin eschar.◦ May rapidly evolve. ◦ Likely become a Stage III or IV.
Deep Tissue Injury
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Deep Tissue Injury
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Skin Tears Venous Ulcers Arterial Ulcers Diabetic Ulcers Perineal (Incontinence Associated)
Dermatitis
Not Pressure Ulcers
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Separation of epidermis from the dermis or epidermis and dermis from underlying tissue.
Thin skin, less elastic, purpura or ecchymosis.
Epidermal flap.
Skin Tear
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Impaired arterial flow to the lower leg and foot. Tissue ischemia, necrosis and loss WELL DEFINED MARGINS Toes, foot, malleolus Thin, shiny skin, cool skin temperature,
decreased or absent hair Painful - increase with elevation Decreased pulse Minimal exudate Pale wound bed; necrotic tissue
Arterial Ulcers
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Decrease in blood return from leg and foot. Between the knee and the ankle. Thickened, brown discolored skin is noted
around the lower calf, ankle and proximal foot.
Skin proximal and distal to the wound is reddened.
Venous Ulcers
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Ulcer that occurs in diabetics Metatarsal head, top of toes, and foot Neuropathy, poor microvascular circulation Repetitive trauma, unperceived pressure, or
friction/shear Regular wound margins Callus around wound Dry, cracked, warm
Diabetic Ulcers
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Skin irritation from incontinence. Erosion of epidermis and dermis from
mechanical injury to macerated skin. Buttocks, perineum, and upper thighs. Secondary infection. Diffuse erythema. Scaling, papule and vesicle formation . Tissue “weeping”.
Perineal Dermatitis(Incontinence Associated)
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DOCUMENT!!!!!!
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National Pressure Ulcer Advisory Panel and European Pressure Ulcer Advisory Panel. (2009). Prevention and treatment of pressure ulcers: Clinical practice guideline. Washington DC: National Pressure Ulcer Advisory Panel. http://www.npuap.org
https://www.nursingquality.org Panel for the Prediction and Prevention of Pressure Ulce
rs in Adults. Prediction and Prevention. Rockville MD. Agency for Health Care Policy and Research. 1992. May. AHCPR Clinical Practice Guidelines, No. 3.
Bates-Jensen BM, MacLean CH. Quality Indicators for the Care of Pressure Ulcers in Vulnerable Elders. JAGS 55:S409-S416, 2007.
References