# A profoundly neutropenic client with hypotension and ESBL-producing K pneumoniae in both blood-culture sets received prompt active carbapenem therapy, sepsis resuscitation, and renal-dose review. Review the 48-hour treatment trend and select the best interpretation and ongoing plan.

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> url: https://mymerci.kr/pages/nclex_q.php?qn_id=516661&lang=en  
> language: en  
> subject: Adverse Effects/Contraindications/Interactions  
> category: PPT

## Question

A profoundly neutropenic client with hypotension and ESBL-producing K pneumoniae in both blood-culture sets received prompt active carbapenem therapy, sepsis resuscitation, and renal-dose review. Review the 48-hour treatment trend and select the best interpretation and ongoing plan.

| Time | Data |
| --- | --- |
| Presentation | Temperature 38.4 C; BP 92/54 mm Hg; lactate 2.8 mmol/L; ANC 180/mm3; creatinine 0.8 mg/dL |
| 12 hours | ESBL K pneumoniae in both blood-culture sets; BP 98/58 mm Hg; creatinine 1.7 mg/dL; renal-dose review completed |
| 48 hours | BP 114/68 mm Hg; lactate 1.6 mmol/L; afebrile; creatinine 1.1 mg/dL; repeat cultures no growth; ANC 220/mm3 |

Q1. How should the overall response be interpreted?

Improving infection, perfusion, and renal trends with persistent severe neutropenia
Progressive septic shock despite therapy
Complete immune recovery because the fever resolved

Q2. Which ongoing plan is appropriate?

Stop all monitoring because repeat cultures are negative
Continue directed therapy and serial renal, culture, perfusion, and neutropenia monitoring as authorized
Return automatically to the original nonadjusted dose

## Explanation

Hemodynamics, lactate, fever, renal function, and repeat cultures are improving while the ANC remains low; continue the authorized directed regimen and protective neutropenia plan with serial monitoring.

## In-depth explanation

Quick answer
The infection response is improving, but host-defense risk remains until neutrophil recovery.

Why this is correct
Clearance of bacteremia and normalization of perfusion markers support antimicrobial effectiveness. Persistent severe neutropenia means infection precautions, surveillance, and the oncology plan still matter even after shock resolves.

Easy analogy or mental picture
The fire is controlled, but the building alarm system is still under repair.

Memory hook
Clear cultures and stable pressure show response; low ANC keeps risk high.

NCLEX decision rule
Evaluate microbiologic, hemodynamic, renal, and hematologic trends together rather than declaring success from temperature alone.

Why the other choices are wrong
Stopping surveillance because the client is afebrile ignores persistent neutropenia, while broadening therapy despite coordinated improvement ignores response evidence.References
1IDSA: Antimicrobial Agents in Neutropenic Patients With CancerPrompt cultures, broad empiric antibacterial therapy, risk assessment, and response monitoring
2IDSA 2024 Guidance on Antimicrobial-Resistant Gram-Negative InfectionsCarbapenem preference for ESBL-producing infections outside the urinary tract and treatment refinement

## Clinical scenario

ESBL bacteremia response trend
Recognize improving infection, perfusion, and kidney function while severe neutropenia remains an active risk that requires directed therapy and serial monitoring.

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