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Fundamentals · chapter 24 · Skin Integrity

Wound Classification

The 14 things this section of the textbook says that you are most likely to be asked about — quoted word for word, not retold. Then 6 practice questions with the reasoning.

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Key points

  1. Wound classification purpose

    In order to effectively manage wounds, nurses must first recognize the various wound classifications.
  2. Intentional wound conditions

    The wounds are made in sterile conditions, and any bleeding is controlled, which promotes adequate healing time and reduces the risk of infection.
  3. Unintentional wound risk

    These conditions create the potential for a longer healing process and an increased risk of infection.
  4. Open wound infection risk

    Open wounds create an entry for microorganisms. This combined with tissue damage and bleeding increase the risk of a prolonged healing time and infection.
  5. Acute wound assessment

    Often the full extent of acute wounds is unknown until several days after an injury. Initial issues such as swelling may mask the true extent and even depth of the wound.
  6. Chronic wound goals

    The goals of care for chronic wounds are to determine why the wound is not healing and identify strategies to overcome those reasons and allow the wound to heal (Nagle et al., 2023).
  7. Pressure injury tissue effects

    The lack of blood supply, oxygen, and nutrients to the tissues results in necrosis and eventual ulceration. This ischemia also leads to inflammation and edema.
  8. Pressure injury locations

    Pressure injuries often arise when the soft tissues are compressed between an external surface, such as a bed or chair, and a bony prominence or from friction or shearing forces that injure blood vessels and abrade the epidermis.
  9. Pressure injury treatment goals

    Pressure injuries require aggressive intervention and treatment to decrease unwarranted pain or discomfort, inhibit further tissue damage, accelerate wound healing, decrease length of stays, and decrease healthcare costs.
  10. Friction and shear forces

    Friction and shear are mechanical forces that tear and injure blood vessels and can contribute to the development of pressure injuries.
  11. Older adult skin risk

    The subcutaneous and dermal tissues are thinner, and the patient often has reduced sensations of pressure and pain. This makes older adults more susceptible to friction and shear injuries.
  12. Pressure injury risk factors

    The risk factors for pressure injury development include moisture exposure, nutrition and hydration, mobility, and level of cognition.
  13. Moisture exposure effects

    Exposure to excessive moisture can cause skin maceration where the tissues are softened by prolonged wetting or soaking. Macerated tissue makes the skin less resistant to trauma or pathogens and more susceptible to injury.
  14. Braden scale scoring

    After each item is decided, the ratings are added together for a possible score between six and twenty-three. The lower the score, the greater is the risk for development of a pressure injury.

Terms to know

wound
A wound is defined as an injury that causes a disruption of normal skin or tissue integrity.
unintentional wound
A wound from unexpected traumas (e.g., a broken bone or laceration from bicycle or automobile accidents, burns, work-related injuries, penetrating wounds from a bullet or metal fragments) is known as an unintentional wound.
open wound
A break in the skin or mucous membranes is called an open wound and is caused either intentionally or unintentionally.
closed wound
A wound that does not have a break in the skin and occurs under the skin’s surface is called a closed wound.
acute wound
A wound that occurs suddenly and progresses through expected stages of healing is called an acute wound.
chronic wound
In contrast to acute wounds, a chronic wound is a wound in which little to no healing occurs for at least three months (Bowers Franco, 2020).
pressure injury
A localized ischemic lesion of the skin and underlying tissue, known as a pressure injury, is caused by external pressure that impairs blood and lymph flow.
Cognition
Cognition consists of the mental processes that take place in the brain, such as thinking, language, learning, memory, perception, and attention.

Practice questions

Stuck on select-all-that-apply? How to take them one option at a time.

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  1. A patient returns from a procedure with a planned surgical cut made under aseptic conditions. The wound edges are approximated, bleeding is controlled, and the incision was closed immediately after the procedure. How should the nurse classify this wound?

    1. Intentional wound
    2. Unintentional wound
    3. Friction injury
    4. Chronic wound

    Answer: Intentional wound

    This wound was planned as part of treatment, performed under aseptic conditions, and closed immediately, which matches an intentional wound. Unintentional wounds result from unexpected trauma; chronic wounds have delayed healing; a friction injury occurs when two surfaces rub together.

  2. An incontinent patient is at risk for pressure injury development related to moisture exposure. Which nursing actions are appropriate? Select all that apply.

    1. Cleanse the patient as quickly as possible after each soiling.
    2. Monitor the patient for skin breakdown.
    3. Use skin barriers to protect intact skin.
    4. Apply excessive moisture to the skin to keep tissues softened.
    5. Leave urine or feces on the skin until the next scheduled bath to avoid over-washing.

    Answer: Cleanse the patient as quickly as possible after each soiling., Monitor the patient for skin breakdown., Use skin barriers to protect intact skin.

    The section identifies incontinence-related moisture as a cause of maceration, irritation, skin breakdown, and infection risk. Monitoring, prompt cleansing after soiling, and skin barriers for intact skin are appropriate; leaving excretions on the skin or overmoistening the skin increases risk.

  3. A patient repeatedly slides down in bed when the head of the bed is elevated. The nurse is concerned that one tissue layer is sliding over another, stretching and tearing blood vessels. Which injury mechanism is the nurse identifying?

    1. Shear
    2. Incision
    3. Friction
    4. Contusion

    Answer: Shear

    Shear occurs when one tissue layer slides over another and can happen when a patient’s torso slides down in bed with the head of the bed elevated. Friction involves two surfaces rubbing together; contusion and incision are different wound types.

  4. The nurse is planning care for an older adult with thin skin and reduced sensation of pressure and pain. Which interventions help reduce the risk of friction and shear injuries? Select all that apply.

    1. Check the skin frequently for breakdown or tears.
    2. Pull the patient up in bed by the draw sheet to prevent delay in repositioning.
    3. Keep bedding and linens dry and wrinkle free.
    4. Pad bony prominences.
    5. Use proper lifting technique when moving or transferring the patient.

    Answer: Check the skin frequently for breakdown or tears., Keep bedding and linens dry and wrinkle free., Pad bony prominences., Use proper lifting technique when moving or transferring the patient.

    Older adults are more susceptible to friction and shear injuries, so frequent skin checks, dry wrinkle-free linens, padding bony prominences, and proper lifting technique are appropriate. Pulling patients up in bed by a draw sheet is listed as a situation that can contribute to friction injury.

  5. A patient’s Braden scale score is 16 on admission. What is the nurse’s priority action based on this score?

    1. Reassess the patient regularly according to the facility and healthcare setting schedule.
    2. Document that the patient is not at risk because the score is above the risk range.
    3. Stage the patient as having a stage I pressure injury.
    4. Wait to reassess until the patient has a condition-related change.

    Answer: Reassess the patient regularly according to the facility and healthcare setting schedule.

    A Braden score of 18 or below requires regular reassessment based on the facility and healthcare setting schedule. Reassessment only with condition-related changes applies to scores above 18, and the Braden scale identifies risk rather than stages an existing injury.

  6. The nurse is assessing intact skin over a bony prominence after the patient has been lying in one position for a prolonged time. Which findings are consistent with a stage I pressure injury? Select all that apply.

    1. Partial-thickness skin loss involving the epidermis or dermis.
    2. An open sore caused by poor blood flow.
    3. Localized nonblanchable erythema of intact skin.
    4. In darker pigmented skin, the area is a different color than the adjacent skin.
    5. Purple or maroon skin discoloration.

    Answer: Localized nonblanchable erythema of intact skin., In darker pigmented skin, the area is a different color than the adjacent skin.

    Stage I pressure injury is identified by localized nonblanchable erythema with intact skin; in darker skin, the color may differ from adjacent skin. Purple or maroon discoloration suggests deep-tissue pressure injury, partial-thickness skin loss describes stage II, and an open sore caused by poor blood flow is an ulcer.

Where every quote comes from

Section 24.3 Wound Classification of Fundamentals of Nursing by Christy Bowen, Lindsay Draper, Heather Moore, OpenStax, 2024. Read the whole section free at openstax.org.

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