A patient is scheduled for a splenectomy due to idiopathic t… | 마이메르시 MyMerci
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문제

A patient is scheduled for a splenectomy due to idiopathic thrombocytopenic purpura (ITP). Which preoperative nursing intervention is the highest priority?

A 28-year-old patient with idiopathic thrombocytopenic purpura (ITP) is scheduled for splenectomy tomorrow morning. Current platelet count is 25,000/μL. The patient reports fatigue and has visible petechiae on both arms.
해설
Patients with ITP have severely low platelet counts, making bleeding precautions the highest priority preoperatively to prevent life-threatening hemorrhage. Other interventions are important but secondary to immediate safety.

심화 해설

Core Nursing Explanation Key Concept Analysis: This question tests the application of nursing priorities in the preoperative care of a patient with Idiopathic Thrombocytopenic Purpura (ITP). ITP is an autoimmune disorder where antibodies destroy platelets, leading to a dangerously low platelet count (thrombocytopenia). The primary risk is bleeding. The patient's platelet count of 25,000/μL is critically low (normal range: 150,000-400,000/μL). Before any surgery, especially one involving a highly vascular organ like the spleen, preventing hemorrhage is the paramount concern.

Answer Rationale: Key Point! The highest priority preoperative intervention is monitoring for signs of bleeding and implementing bleeding precautions. This directly addresses the most immediate and life-threatening risk associated with the patient's pathophysiology. Interventions include using a soft-bristled toothbrush, avoiding intramuscular (IM) injections, applying pressure to venipuncture sites, using electric razors, and monitoring for occult or overt bleeding (e.g., in stool, urine, or increased petechiae). This aligns with the ABCs (Airway, Breathing, Circulation) and safety frameworks, where preventing a loss of circulation (hemorrhage) is critical.

Distractor Analysis: Watch out for confusion! While all options are valid parts of holistic nursing care, they are not the highest priority given the imminent risk.
  • Option 2 (Encourage deep breathing and coughing exercises): This is a standard postoperative intervention to prevent atelectasis and pneumonia, but it is not the priority before surgery when an active bleeding risk exists.
  • Option 3 (Assess nutritional status and dietary preferences): While nutrition supports healing, it is a more general and long-term concern. It does not address the acute, procedure-specific risk of hemorrhage.
  • Option 4 (Provide emotional support regarding body image changes): Emotional support is always important in nursing. However, for an elective splenectomy, concerns about a surgical scar are a psychosocial need that is secondary to the physiological need for safety from bleeding. Addressing this preoperatively is appropriate but not the top priority.
Related Concepts: This scenario integrates knowledge of hematologic disorders, preoperative nursing, and priority-setting. Understanding normal platelet function in hemostasis and the implications of thrombocytopenia is essential. The principle of "safety first" often guides priority questions on the NCLEX-RN.

Concept Summary
ConceptKey Takeaway
Idiopathic Thrombocytopenic Purpura (ITP)Autoimmune destruction of platelets leading to thrombocytopenia, bruising (purpura), petechiae, and bleeding risk.
Preoperative Priority SettingAddress life-threatening risks (e.g., hemorrhage, unstable vital signs) before addressing educational, psychosocial, or routine preparatory needs.
Bleeding PrecautionsA set of nursing interventions designed to minimize trauma and prevent bleeding in patients with low platelet counts or coagulation disorders.
SplenectomySurgical removal of the spleen, often performed for ITP when medical management fails. The spleen is a site of platelet destruction and antibody production in ITP.

Side-by-Side Comparison!
Preoperative NeedPriority Level for this PatientRationale
Physiological Safety (Bleeding Risk)Highest PriorityDirectly addresses the pathophysiological consequence of ITP (thrombocytopenia) which is exacerbated by surgical trauma.
Postoperative Prevention (Breathing Exercises)Important but SecondaryEssential for recovery but can be taught effectively in the immediate postoperative period. Safety must be established first.
Holistic Support (Nutrition, Emotional)Lower Priority Pre-opFundamental to overall care but does not mitigate the immediate, high-risk threat to the patient's life.

Anatomy, Physiology & Pharmacology Points
  • Physiology: Platelets (thrombocytes) are essential for primary hemostasis (forming a platelet plug). A count below 50,000/μL increases the risk of spontaneous bleeding; below 20,000/μL is a severe risk.
  • Anatomy: The spleen filters blood. In ITP, it is a major site for the destruction of antibody-coated platelets and for the production of anti-platelet antibodies.
  • Pharmacology (Context): Preoperatively, the patient may receive treatments to raise platelet counts, such as corticosteroids (e.g., prednisone) to suppress immune activity, IV immunoglobulin (IVIG) to temporarily block antibody receptors, or platelet transfusions (though often reserved for active bleeding or very low counts due to potential rapid destruction).

Memory Tips
  • Acronym: PLT (Priority, Low platelets, Threat): For a patient with Low Platelets, the Priority is to address the Threat of bleeding.
  • Think "B before C": Bleeding precautions come before Coughing exercises and other Comfort measures.
  • Visualize the number: Platelet count of 25,000 is very low. Imagine it as a "red flag" number that immediately signals "risk for hemorrhage."

High-Frequency NCLEX Topics The NCLEX-RN frequently tests:
  1. Priority Setting (Maslow's Hierarchy, ABCs): Identifying the most urgent need among several correct options.
  2. Pre/Postoperative Care for Specific Conditions: Tailoring standard procedures to the patient's unique pathophysiology (like ITP).
  3. Complications of Hematologic Disorders: Recognizing and preventing the primary complication (bleeding in ITP, clotting in DVT, etc.).

Watch Out for Question Variations!
  • Shift from "Priority Intervention" to "Expected Finding": "The nurse is caring for a preoperative patient with ITP. Which finding requires immediate intervention?" (Answer: Increased abdominal girth or pain, suggesting internal bleeding).
  • Shift to Postoperative Care: "Following a splenectomy for ITP, the nurse's priority assessment is for..." (Answer: signs of hemorrhage or infection, as asplenic patients are at lifelong risk for overwhelming post-splenectomy infection (OPSI)).
  • Shift to Medication: "Which medication would the nurse anticipate administering preoperatively to a patient with ITP?" (Answer: IV Immunoglobulin (IVIG) or corticosteroids to temporarily boost platelet count).

임상 시나리오

Nursing Clinical Practice Guide Clinical Scenario: You are the night shift nurse preparing Mr. Johnson, a 28-year-old with ITP, for his morning splenectomy. During your assessment, you note fresh petechiae on his forearms and he mentions his gums bled slightly while brushing his teeth earlier.

Nursing Intervention Strategy:
  1. Assessment: Perform a thorough bleeding assessment. Check vital signs for tachycardia or hypotension (signs of hypovolemia). Inspect skin, mucous membranes, and sclera for petechiae, ecchymosis, or jaundice. Assess urine and stool for occult blood. Perform a neurological assessment to rule out intracranial bleeding (headache, vision changes, confusion).
  2. Nursing Diagnosis: Risk for Bleeding related to decreased platelet count secondary to ITP.
  3. Planning & Implementation:
    • Bleeding Precautions: Implement strict precautions. Place a "Bleeding Precautions" sign. Use only an electric razor. Administer oral care with a soft sponge or swab. Avoid rectal temperatures or suppositories. Pad side rails. Ensure all venipunctures and injections (if absolutely necessary) are followed by prolonged, direct pressure.
    • Monitoring: Monitor platelet count trends. Observe surgical site (once post-op) and any drain output closely.
    • Education: Teach the patient to avoid aspirin, NSAIDs (e.g., ibuprofen), and other antiplatelet drugs. Instruct to report any signs of bleeding immediately (e.g., nosebleeds, blood in urine/stool, increased bruising, headache).
Patient Safety and Precautions:
  • Contraindications: Avoid intramuscular (IM) injections and unnecessary venipuncture. Do not administer antiplatelet or anticoagulant medications.
  • Medication Cautions: If platelet transfusions are ordered, administer them just before or during surgery for maximum effect, as they may be rapidly destroyed. Monitor for transfusion reactions.
  • Key Monitoring Points: Key Point! Watch for signs of internal bleeding: sudden onset of abdominal or back pain, increasing abdominal girth, tachycardia, hypotension, and decreased level of consciousness (LOC).

Nursing Procedure & Medication Flow Bleeding Precautions Protocol: 1. Environment: Ensure a safe environment free of clutter. Pad bed rails. 2. Hygiene: Assist with gentle oral care using a soft toothbrush or toothette. Assist with bathing using a soft cloth; pat skin dry. 3. Procedures: Apply firm pressure for 5-10 minutes after any needle stick. Use the smallest gauge needle possible. 4. Medication Administration: Administer IV medications slowly to avoid vascular irritation. Use oral or IV routes preferentially. Document all precautions implemented.

A Word from Your Senior Nurse: "In clinical practice, a patient with a platelet count this low is a 'handle with care' patient from head to toe. Your vigilance in implementing bleeding precautions is what stands between them and a potentially catastrophic bleed. Remember, your preoperative assessment isn't just a checklist—it's your last line of defense to ensure the patient is as safe as possible before going to the OR. When you see petechiae and a low platelet count, let that be your brain's alarm bell for 'bleeding risk.' That kind of critical thinking, where you link lab values to physical findings to nursing action, is exactly what makes a great nurse and what the NCLEX is testing."

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