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Wounds Types & Healing. SKIN. Largest organ Primary function – protection Layers – epidermis (tough & avascular) dermis (thickest & vascular) Skin disruptions may lead to fluid loss and/or infection. SKIN TERMINOLOGY…….

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Wounds Types & Healing


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    1. Wounds Types & Healing

    2. SKIN • Largest organ • Primary function – protection • Layers – epidermis (tough & avascular) • dermis (thickest & vascular) • Skin disruptions may lead to fluid loss and/or infection

    3. SKIN TERMINOLOGY…… • ECCHYMOSIS… large bruising (superficial bleeding under the skin) • HEMATOMA…collection of blood under the skin • ERYTHEMA…redness • MACULE…small flat spot • PAPULE…small bump or pimple • PUSTULE…blister like, with pus

    4. WOUNDS • DISRUPTION IN THE INTEGRITY OF BODY TISSUE • CLASSIFIED AS: • OPEN or CLOSED • ACUTE or CHRONIC • ACCORDING TO SEVERITY (superficial / deep) • ACCORDING TO RISK OF INFECTION (clean / contaminated / infected)

    5. PHASES OF WOUND HEALING INFLAMMATORY PHASE Occurs immediately after injury and last 3-4 days. • Hemostasis: Cessation of bleeding - clotting cascade, vasoconstriction / vasodilation • Edema: Body’s defensive adaptation to tissue injury – histamine, leukocytes . Skin is red, edematous & warm to touch.

    6. PHASES OF WOUND HEALING REGENERATION OR PROLIFERATIVE PHASE 3-4TH day post injury and lasts for 2-3 weeks. • Collagen (protein) adds strength to wound (less chance of separation or rupture). Raised healing ridge may be visible. • Other cells help to compose different epidermal layers (granulation & re-epithelization continues).

    7. PHASES OF WOUND HEALING MATURATION OR REMODELING PHASE • 21st day to 2 years post injury. • Scar tissue is remodeled or reshaped. • Scar tissue is still weaker than the tissue it replaces (usually never greater than 80% of pre-injury strength). • Scar appears large initially, but will decrease with time.

    8. WOUND CHARACTERISTICS • SURGICAL WOUNDS – intentional, clean, made by sharp instrument, sutures / staples / steri-strips. • TRAUMA WOUNDS – lacerations or punctures, considered dirty or contaminated, scarring more likely. • CHRONIC WOUNDS – heals slowly, may recur, pressure ulcers / venous stasis ulcers.

    9. RYB CLASSIFICATION of WOUND BED • RED: normal granulation/ proliferative phase/ need to protect & keep moist • YELLOW: either fibrinous slough or purulent bacterial exudate/ need to remove slough • BLACK: contain necrotic tissue/ need debridement

    10. WOUND DEBRIDEMENT REMOVAL OF FOREIGN MATTER (DIRT / DEAD TISSUE) BY: • SHARP (SCALPEL) • MECHANICAL (WHIRLPOOL THERAPY) • ENZYMATIC (CHEMICALS) • AUTOLYTIC (WOUND BED DRESSING-MAINTAINS MOISTURE)

    11. WOUND EXUDATE • SEROUS – clear, watery plasma (mild inflammation). • SANGUINEOUS – bright red (bloody or hemorrhagic) • SEROSANGUINEOUS – mixture of above • PURULENT – pus like (yellow, green, brown)

    12. TYPES OF WOUND HEALING PRIMARY INTENTION • Wound edges “approximated” • Granulation tissue fills in wound • Occurs in first 14 days post surgery •  risk of infection • Minimal scarring – predictable movement through phases of healing

    13. TYPES OF WOUND HEALING • SECONDARY INTENTION • Prolonged healing (extensive tissue loss) • Edges cannot be approximated • Granulation tissue must fill wound •  Risk of infection • May be intentionally left open

    14. TYPES OF WOUND HEALING TERTIARY INTENTION DELAYED / SECONDARY CLOSURE • Primary closure is undesirable • Might be poor circulation or infection • Suturing delayed until problems resolve

    15. PRESSURE ULCERS Patients at Increased Risk • ACTIVITY LEVEL INCONTINENCE ALTERED LOC IMPAIRED CIRCULATION POOR NUTRITION STATUS

    16. Localized areas of tissue necrosis Tend to develop when soft tissue compressed between bony prominence & an external surface Due to ischemia Reduction of blood flow causes blanching Other contributors= shearing & friction PRESSURE ULCERS Characteristics

    17. STAGES I : Nonblanchable erythema II: Partial – thickness loss III: Full – thickness loss Extends into subcutaneous tissue IV: Full-thickness loss Extends into muscle / bone

    18. PROBLEMS OF WOUND HEALING INFECTION • Most common 36-48hrs postop; common cause of altered wound healing • Symptomatic 5 – 7 days • Must monitor clients adequately • Wound can become contaminated preop; intraop; or postop

    19. HEMORRHAGE Persistent bleeding is abnormal Some bleeding normal after initial trauma & surgery Hemostasis within a few minutes Swelling around the wound & presence of sanguinous drainage from a drain may indicate hemorrhage HYPOVOLEMIC SHOCK: ↓ B/P, rapid thready pulse, diaphoresis, restlessness, cool clammy skin

    20. DEHISCENCE PARTIAL OR TOTAL SEPARATION OF WOUND EDGES (most likely to occur 4 – 5 days postoperatively) EVISCERATION PROTRUSION OF AN INTERNAL ORGAN THROUGH THE INCISION YOU MUST STAY CALM ! Stay with client; have MD notified immediately Cover wound with normal saline soaked sterile dressing

    21. SKIN INTEGRITY FACTORS • PERSONAL HYGIENE • NUTRITIONAL STATUS • SMOKING • SUBSTANCE ABUSE • ACTIVITY • AGE • INCONTINENCE • HYPOXEMIA • DIABETES • MEDICATIONS • INFECTION

    22. ASSESSMENT-ASSESSMENT • THOROUGH SKIN ASSESSMENT !! • HEALTH HISTORY (client interview) • DIAGNOSTIC TESTS…. • HEMOGLOBIN/SEDIMENTATION RATE (measure of necessary tissue oxygen) • WBC (infection) • ALBUMIN LEVELS • DON’T FORGET BRADEN SCALE

    23. NSG DX: IMPAIRED SKIN INTEGRITY • WHAT DO YOU DOCUMENT ?? • LOCATION • SIZE (in centimeters cm) • COLOR • SURROUNDING SKIN • DRAINAGE • TEMPERATURE • PAIN • WOUND CLOSURES • ODOR

    24. WHAT ARE THE RELATED FACTORS? MECHANICAL FORCES (RESTRAINTS – PRESSURE)  CIRCULATION IMMOBILIZATION ALTERED SENSATION NUTRITIONAL STATE SKIN TURGOR SURGERY

    25. SOME DESIRED OUTCOMES (GOALS) MAY BE: • MAINTAINS ADEQUATE NUTRITIONAL & FLUID INTAKE • CLIENT CAN PERFORM WOUND CARE • CLIENT CAN STATE SIGNS OF INFECTION

    26. KNOW THE RIGHT INTERVENTIONS!! • MONITOR CLIENT (ASSESSMENT / ASSESSMENT) • SKIN CLEANSING • NUTRITION (MULTIDISCIPLINARY EFFORT) • POSITIONING • TEACHING • WOUND CARE / SKIN PROTOCOL

    27. WOUND CLEANSING • IRRIGATION DEVICES • VARIOUS SOLUTIONS …BUT.. “put nothing in the wound that you would not put in your eye” NORMAL SALINE GENERALLY..WOUND ITSELF CLEANER THAN SURROUNDING SKIN • MOIST WOUND BEDS –HEAL FASTER? • More than 1300 products available for wound & skin care

    28. DRAINS • PLACED IN WOUNDS BEFORE SURGICAL INCISION CLOSED • PREVENTS FLUID FROM COLLECTING BETWEEN WOUND SURFACES • USUALLY LEFT IN PLACE 3 TO 7 DAYS PENROSE HEMOVAC JACKSON-PRATT RUBBER BAND

    29. IMPLEMENTATION • Ensure proper hygiene & skin care • Proper positioning • Consults as needed • Apply complementary therapies • Precautions if necessary • Specialty beds • HANDWASHING – staff & patient

    30. EVALUATION • If goals not met – examine interventions & revise plan of care appropriately • Review techniques & procedures of staff • Review techniques of client & family • Focus on CLIENT TEACHING !!