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

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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.

## 보기

1. Monitor for signs of bleeding and implement bleeding precautions **✔ 정답**
2. Encourage deep breathing and coughing exercises
3. Assess nutritional status and dietary preferences
4. Provide emotional support regarding body image changes

**정답: 1**

## 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

Clinical Context and Priority Setting

The patient has idiopathic thrombocytopenic purpura (ITP) with a critically low platelet count of 25,000/μL. In ITP, autoantibodies destroy circulating platelets, and the spleen is the primary site of both antibody production and platelet destruction. When medical management fails, splenectomy removes this destruction site. However, the immediate preoperative period carries a high risk of hemorrhage due to the existing thrombocytopenia. The clinical signs of fatigue (potential anemia from occult bleeding) and visible petechiae confirm that the patient is already manifesting impaired hemostasis [1].

Why Bleeding Precautions Are the Highest Priority

According to Maslow’s hierarchy and the ABC (Airway, Breathing, Circulation) framework adapted for NCLEX prioritization, physiological safety takes precedence. A platelet count below 50,000/μL significantly increases the risk of spontaneous bleeding, and counts under 20,000/μL carry a risk of intracranial hemorrhage. At 25,000/μL, the patient is in a danger zone where even minor trauma—including vigorous coughing, venipuncture, or bumping into bed rails—can precipitate life-threatening bleeding. The pathophysiology of thrombotic microangiopathy (TMA) described in the consensus statement highlights how severe platelet deficiency leads to microvascular thrombosis and bleeding simultaneously, making vigilant monitoring essential to prevent catastrophic outcomes [1].

Specific nursing actions under bleeding precautions include: avoiding intramuscular injections and rectal procedures, using a soft-bristled toothbrush, applying prolonged pressure after venipuncture, testing all urine and stool for occult blood, and performing neurologic checks to detect early signs of intracranial bleeding. These interventions directly address the most immediate threat to the patient’s survival.

Analysis of Other Options

Option 2 (Encourage deep breathing and coughing exercises) is a standard postoperative intervention to prevent atelectasis and pneumonia, especially after upper abdominal surgery like splenectomy. However, in the preoperative setting with a platelet count of 25,000/μL, vigorous coughing could increase intrathoracic and intracranial pressure, potentially triggering bleeding. This intervention must be modified and taught gently, but it does not address the most urgent preoperative risk.

Option 3 (Assess nutritional status and dietary preferences) is a component of holistic preoperative assessment. Nutritional optimization supports wound healing and immune function. However, it is a psychosocial and health-promotion need that ranks lower on the prioritization scale than a direct physiological safety threat. It can be addressed after immediate bleeding risks are managed.

Option 4 (Provide emotional support regarding body image changes) addresses the psychosocial impact of surgery. Splenectomy does not typically cause visible body image changes, but the patient may have concerns about surgical scars or long-term immune function. While important, emotional support is a psychosocial need that is prioritized only after physiological safety and physical needs are stabilized. The patient’s visible petechiae and critically low platelet count demand that the nurse first ensure physical safety [1].

Pathophysiology-to-Practice Connection

The spleen’s role in ITP is twofold: it produces antiplatelet antibodies and serves as the primary site of reticuloendothelial destruction of antibody-coated platelets. By the time splenectomy is scheduled, the patient has typically failed first-line therapies such as corticosteroids or intravenous immunoglobulin. The lingering thrombocytopenia means the bone marrow cannot compensate quickly enough, and any disruption of vascular integrity—even from routine nursing care—can become a sentinel event. The consensus on thrombotic microangiopathies reinforces that platelet-directed autoimmunity creates a state of compensated hemostatic fragility, where the margin between stability and hemorrhage is dangerously narrow [1]. Monitoring for signs of bleeding (overt and occult) and implementing strict bleeding precautions directly mitigates this fragility during the critical preoperative window.References (research sources)

- [1]Diagnosis and clinical management of thrombotic thrombocytopenic purpura (TTP): a consensus statement from the TTP Catalan group.GuidelineMuñoz NG, Ortega S, Solanich X, Cid J, Díaz M, Moreno AB, Ancochea Á, Santos M, Hernández I, Sanchez JM, Luaña A, García J, Escoda L, Medina L, Ferrer GJ, López J, Céspedes R, Díaz JA, Pons V, Valcárcel D, Grifols JR. (2024) · DOI: 10.2450/bloodtransfus.522

## 임상 시나리오

Preoperative Management of Severe ThrombocytopeniaPrioritizing Safety for a Patient with ITP
A platelet count below 50,000/μL significantly elevates surgical risk. At 25,000/μL, the patient is at high risk for spontaneous bleeding, including life-threatening intracranial hemorrhage. The priority is physiological safety.

Implement bleeding precautions immediately: use a soft-bristled toothbrush, avoid rectal temperatures and intramuscular injections, apply prolonged pressure after venipuncture, and maintain a clutter-free environment to prevent falls.

CautionMonitor closely for signs of occult bleeding such as a drop in hemoglobin, hypotension, or new onset of severe headache. Avoid activities that increase intracranial pressure, including vigorous coughing or straining.

## 핵심 개념

- **Idiopathic Thrombocytopenic Purpura** — Idiopathic (cause unknown) thrombocytopenic purpura. A disease in which platelets are destroyed due to an autoimmune mechanism, leading to a decrease in platelet count and an increased tendency to bleed.
- **Splenectomy** — Splenectomy. A surgical procedure used as a treatment for ITP, which removes the spleen—the main organ that destroys platelets—to increase platelet count.
- **Petechiae** — Petechiae. Small reddish-purple spots, 1-2mm in size, appearing on the skin or mucous membranes, indicating microbleeding from capillaries and a classic sign of thrombocytopenia.
- **Thrombocytopenia** — Thrombocytopenia. A condition where the platelet count in the blood is lower than normal (150,000-400,000/μL). Generally refers to less than 100,000/μL, which increases the risk of bleeding.
- **Bleeding Precautions** — Bleeding precautions. Safety measures applied to patients with low platelet counts or those on anticoagulation therapy. Includes using a soft toothbrush, using an electric razor, being careful with sharp objects, avoiding intramuscular injections, preventing constipation, and preventing falls.

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