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문제

A nurse is providing post-procedural care for a client who underwent a bone marrow biopsy from the posterior iliac crest 2 hours ago. Which nursing action is the highest priority to ensure client safety?

해설
The priority is to prevent bleeding complications post-bone marrow biopsy by applying direct pressure and monitoring the site. Other actions like ambulation, pain management, or neurological assessment are important but secondary to immediate hemorrhage control.
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심화 해설


Clinical Context and Priority Setting

A bone marrow biopsy from the posterior iliac crest is an invasive procedure that penetrates the highly vascular bone marrow cavity. While the procedure itself is generally safe, the immediate post-procedural period carries the highest risk for hemorrhage due to the puncture of the bone and the rich vascular supply of the marrow. In the NCLEX-RN framework, using the airway, breathing, circulation (ABC) and safety/risk reduction prioritization model, managing a potential circulatory compromise like active bleeding takes precedence over pain management, early ambulation, or detailed neurological checks, provided the patient is otherwise stable.


Rationale for the Correct Answer (Option 2)

The highest priority nursing action is to apply direct pressure to the biopsy site and monitor for bleeding. The posterior iliac crest is not a compressible site in the same way an extremity is, but direct, firm pressure over the dressing is the primary intervention to achieve hemostasis. Monitoring includes assessing the dressing for overt bleeding, checking bed linens for pooling blood (which can be hidden under the patient), and evaluating the patient for systemic signs of hemorrhage such as tachycardia and hypotension. This directly addresses the most common and potentially life-threatening complication of the procedure: bleeding. The provided literature underscores the vascular nature of bone marrow and its potential for hemorrhage, as seen in cases where pathology or treatment-related thrombocytopenia leads to significant bleeding events [4].


Analysis of Incorrect Options


  • Option 1: Encourage early ambulation to prevent blood clots. This is contraindicated in the immediate post-procedural period. The patient is typically maintained on bed rest for several hours, and a pressure dressing is applied to the site specifically to prevent bleeding. Early ambulation would increase pressure on the pelvic area and could dislodge any forming clot, precipitating a hemorrhage.

  • Option 3: Administer prescribed pain medication for comfort. While managing pain is an important nursing responsibility and the procedure can cause anxiety and discomfort , it is not the highest safety priority. Pain is an expected finding and does not pose an immediate threat to the patient's circulation or life. Furthermore, administering analgesics, particularly those with sedative properties, before ensuring hemodynamic stability could mask signs of early shock from occult bleeding.

  • Option 4: Assess neurological status every 15 minutes. This frequency of neurological assessment is not indicated for a standard bone marrow biopsy from the posterior iliac crest. This level of monitoring would be appropriate for a patient who underwent a procedure with a risk of neurological compromise, such as a spinal tap, epidural, or certain interventional radiology procedures. A focused assessment on the biopsy site and circulatory status is the priority here.




Pathophysiological and Clinical Connection

The bone marrow is a semi-solid tissue with a vast network of sinusoidal capillaries, making it highly susceptible to bleeding when punctured. The primary complication is a soft tissue or subperiosteal hematoma, but significant blood loss can occur, especially in patients with pre-existing coagulopathies or thrombocytopenia. The reference concerning a patient with pancytopenia undergoing a sternotomy illustrates the profound perioperative risks associated with bone marrow dysfunction and bleeding . Although this describes a different surgical context, it reinforces the critical link between marrow pathology and hemorrhagic risk. In a patient with an undiagnosed hematologic condition or on anticoagulant therapy, the risk from a biopsy is amplified. Therefore, the nurse's immediate focus on achieving hemostasis through direct pressure and meticulous monitoring is the cornerstone of safe post-procedural care. The application of direct pressure compresses the punctured vessels against the bony surface of the ilium, facilitating platelet aggregation and clot formation to arrest bleeding.
References (research sources)
  • [4]
    Ewing sarcoma extraosseous brain metastasis presenting with an intracranial hemorrhage: illustrative case.Research articleTanchanco C, Ravina K, In A, Sloboda C, Cuoco JA, Emanuel AJ, Rogers CM. (2025) · DOI: 10.3171/case25246

임상 시나리오

Clinical Practice Guide: Post-Bone Marrow Biopsy Care
Immediate Post-Procedure Priorities
  • Hemorrhage Control: Apply firm, direct pressure over the biopsy dressing for 10-15 minutes immediately after the procedure. The posterior iliac crest is highly vascular, making bleeding the primary life-threatening complication.
  • Positioning: Place the patient in a supine position with a small pillow under the biopsy site to provide additional pressure. Instruct the patient to lie on the site for at least 30-60 minutes.
  • Activity Restriction: Maintain strict bed rest for 2-4 hours post-procedure. Early ambulation can dislodge the forming clot and precipitate active hemorrhage.
Ongoing Monitoring and Assessment
  • Site Inspection: Assess the dressing and site for active bleeding, hematoma formation, or swelling every 15 minutes for the first hour, then every 30 minutes for the next 2 hours. Always check under the patient for pooling blood that may not be visible on the dressing.
  • Hemodynamic Stability: Monitor vital signs for early signs of hypovolemia: tachycardia, hypotension, and narrowed pulse pressure. These indicate significant internal or external blood loss.
  • Pain Management: Once hemostasis is confirmed, administer prescribed analgesics. The procedure can cause deep bone pain and local discomfort. Non-pharmacological interventions like ice packs (over the dressing) can also reduce pain and swelling.
Patient Education and Discharge Instructions
  • Site Care: Keep the pressure dressing clean and dry for 24-48 hours. Do not remove the initial dressing early. After removal, gently cleanse the site with soap and water.
  • Activity Guidelines: Avoid strenuous activity, heavy lifting, and contact sports for 5-7 days to prevent re-bleeding from the puncture site.
  • When to Seek Help: Instruct the patient to report signs of infection (redness, purulent drainage, fever) or bleeding (soaking through the dressing, expanding hematoma, dizziness, fainting) immediately to their provider.
Nursing Alert: Prioritization Rationale

Using the ABC framework, a potential circulatory compromise (hemorrhage) is the highest priority. Pain (comfort) and detailed neurological checks (not indicated for this specific site) are secondary concerns. The nurse's first action is always to ensure hemostasis and assess for signs of active bleeding.

핵심 개념

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