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Difficulty: MediumDisposition and Care Setting Transitions

A 48-year-old woman comes to the emergency department reporting a fever that began earlier today. She has a history of stage II breast cancer and received her second cycle of doxorubicin and cyclophosphamide chemotherapy 10 days ago. She notes mild fatigue but denies chills, cough, shortness of breath, abdominal pain, or dysuria. She lives with her husband a 15-minute drive from the hospital and has reliable transportation. Temperature is 38.5°C (101.3°F), blood pressure is 122/78 mm Hg, pulse is 88/min, and respirations are 16/min. Physical examination reveals a well-appearing woman. Her indwelling central venous port site is clean with no erythema or tenderness. The lungs are clear to auscultation.

Laboratory studies show:
Hemoglobin: 11.2 g/dL
Leukocyte count: 800/mm³
Absolute neutrophil count: 350/mm³
Platelet count: 140,000/mm³
Serum creatinine: 0.7 mg/dL

Chest radiography shows no infiltrates. Blood and urine cultures are obtained.

Which of the following is the most appropriate disposition and initial management plan for this patient?

  1. Discharge home with oral ciprofloxacin and amoxicillin-clavulanateAnswer
  2. B
    Admit to the general medical floor and initiate intravenous cefepime
  3. C
    Admit to the intensive care unit and initiate intravenous meropenem and vancomycin
  4. D
    Observe in the emergency department for 24 hours without antibiotics pending preliminary blood culture results
  5. E
    Transfer to a skilled nursing facility for administration of intravenous piperacillin-tazobactam

Answer

Discharge home with oral ciprofloxacin and amoxicillin-clavulanate
The correct disposition is discharging the patient home with oral ciprofloxacin and amoxicillin-clavulanate. This patient presents with chemotherapy-induced febrile neutropenia (fever >38.3°C and absolute neutrophil count <500/mm³). The immediate priority is administering empiric broad-spectrum antibiotics. However, disposition depends on risk stratification. Using objective tools like the Multinational Association for Supportive Care in Cancer (MASCC) risk index, this patient is classified as low risk because she is hemodynamically stable, has a solid tumor (breast cancer), lacks severe symptoms or comorbid conditions (e.g., COPD, hypotension), and has an outpatient onset of fever. Current clinical guidelines state that low-risk patients with intact gastrointestinal absorption and excellent social support (reliable transportation, supportive partner, proximity to the hospital) can be safely discharged from the emergency department. They should be prescribed a combination of oral antibiotics that cover pseudomonas and other gram-negative/positive organisms, most commonly a fluoroquinolone (ciprofloxacin or levofloxacin) plus amoxicillin-clavulanate.

Step-by-Step Solution

1
Identify the primary clinical emergency.
The patient has a fever (38.5°C) and an absolute neutrophil count (ANC) of 350/mm³, confirming the diagnosis of febrile neutropenia.
Recognizing febrile neutropenia is critical because it is an oncologic emergency requiring rapid empiric antibiotic therapy.
2
Risk-stratify the patient using objective clinical criteria.
The patient is hemodynamically stable, has no serious medical comorbidities (e.g., COPD, hypotension, dehydration), and is relatively asymptomatic aside from mild fatigue. Her Multinational Association for Supportive Care in Cancer (MASCC) risk index score is high (≥21), classifying her as low risk.
Risk stratification dictates the appropriate care setting and route of antibiotic administration.
3
Assess functional capacity and social support for care transitions.
The patient lives close to the hospital, has reliable transportation, and has a supportive husband at home.
Safe outpatient management of febrile neutropenia requires robust home support and the ability to return to the hospital rapidly if clinical deterioration occurs.
4
Determine the appropriate disposition based on risk level and social factors.
Discharge home from the emergency department with broad-spectrum oral antibiotics (e.g., a fluoroquinolone plus amoxicillin-clavulanate) is indicated.
Clinical guidelines support outpatient management for low-risk febrile neutropenia to minimize hospital-acquired infections and improve patient quality of life without compromising outcomes.

Key Concept

Patients with low-risk febrile neutropenia (determined by objective scoring systems like MASCC) who have reliable social support and rapid access to medical care can be safely discharged home from the emergency department on empiric oral broad-spectrum antibiotics.
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Topics

Disposition and Care Setting Transitions

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