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문제

A nurse is preparing a client for a skin biopsy to rule out malignancy. Which assessment finding would be most important for the nurse to document before the procedure?

A 65-year-old client presents to the dermatology clinic with a suspicious mole on the back that has changed in appearance over the past 3 months.
해설
Before any invasive procedure like a skin biopsy, it is crucial to assess the client's current medications, particularly anticoagulants, as these can increase bleeding risk during and after the procedure.

The most important assessment for a client preparing for a skin biopsy is identifying medications that can affect bleeding and clotting. Anticoagulants such as warfarin, heparin, direct oral anticoagulants (DOACs), and antiplatelet agents like aspirin or clopidogrel significantly increase the risk of bleeding complications during and after the biopsy procedure.

A skin biopsy involves cutting through the epidermis and dermis to obtain a tissue sample, creating a wound that must heal properly. Clients taking anticoagulants may experience prolonged bleeding, hematoma formation, or delayed wound healing. Based on this information, the healthcare team must decide whether to temporarily discontinue medications before the procedure or if additional hemostatic measures are needed.

The timing of anticoagulant management is critical. Some medications need to be stopped several days before the procedure, while others may require bridging therapy. The nurse's documentation of current anticoagulant therapy enables the healthcare team to make informed decisions about procedural safety and post-procedure care planning.

This assessment directly relates to the NCLEX-RN category of reduction of risk potential, as it focuses on preventing complications through proper pre-procedure assessment and identification of risk factors.
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심화 해설


Key Assessment Before Skin Biopsy

The most important assessment finding to document before a skin biopsy is the client's current medications, particularly anticoagulants and antiplatelet agents. A skin biopsy is an invasive procedure that disrupts the skin's integrity, creating a wound. The primary immediate complication risk is bleeding. Documenting medications that impair hemostasis is critical for safety.


Why This Takes Priority

The systematic review on cancer-associated thrombosis highlights a critical clinical principle: anticoagulant use inherently increases bleeding risk . While this evidence focuses on systemic thrombosis treatment, the pharmacological mechanism is directly applicable to any invasive procedure. Medications like warfarin, direct oral anticoagulants (DOACs), low molecular weight heparin (LMWH), and even over-the-counter drugs like aspirin or NSAIDs disrupt the clotting cascade or platelet function. If the nurse does not identify and document these medications, the provider may proceed without necessary precautions, potentially leading to significant hemorrhage from a biopsy site that is otherwise minor . This makes medication reconciliation a safety imperative before any procedure that breaks the skin barrier.


Analysis of Other Options

While the other options represent valid nursing concerns, they are secondary to the immediate physiological risk of bleeding.

  • Option 1 (Anxiety level): Managing anxiety is an important comfort measure. A meta-analysis confirms that nonpharmacological interventions can effectively reduce perioperative anxiety . However, anxiety does not pose an immediate threat to physical safety in the way that uncontrolled bleeding does. This assessment can be addressed concurrently or after ensuring physiological safety.

  • Option 2 (Tetanus vaccination): Assessing tetanus status is a standard component of wound management, but a skin biopsy is a clean, planned surgical wound, not a contaminated traumatic injury. The risk of Clostridium tetani infection from a controlled clinical procedure is negligible, making this a low-priority assessment in this specific context.

  • Option 4 (Previous experience): Understanding a client's history with procedures can help tailor education and provide emotional support. Like anxiety, this is a psychosocial comfort and education need. It does not supersede the immediate, life-threatening safety risk of hemorrhage from an undisclosed anticoagulant.




Clinical Safety Integration

The nurse's pre-procedure assessment acts as a critical safety checkpoint. The core principle is to first identify factors that can cause acute, preventable harm. An undisclosed anticoagulant can transform a minor punch or shave biopsy into a persistent bleeding event. The evidence on anticoagulation in cancer patients reinforces that the decision to use these agents requires a careful balance of thrombotic risk versus bleeding risk . The nurse's documentation of these medications directly informs the provider's risk assessment and may lead to a necessary adjustment, such as temporarily holding a medication. This aligns with the standard of care for any invasive diagnostic procedure, including those described in trials for prostate and renal biopsies, where bleeding is a monitored outcome . Therefore, verifying and documenting current medications is the most important action to ensure client safety.

임상 시나리오

Pre-Biopsy Medication Safety CheckPrioritizing Bleeding Risk Assessment

Before any invasive procedure like a skin biopsy, the nurse's priority is to document all current medications, specifically anticoagulants and antiplatelet agents.

This includes prescription drugs (warfarin, DOACs, LMWH) and over-the-counter medications like aspirin or NSAIDs, which impair hemostasis.

Caution

Failure to identify these medications can lead to uncontrolled hemorrhage from a minor biopsy site. Always complete a thorough medication reconciliation before the provider begins the procedure.

핵심 개념

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