# A nurse is caring for a client who received a kidney transplant 6 months ago. Which assessment finding would be the most concerning and require immediate intervention?

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## 문제

A nurse is caring for a client who received a kidney transplant 6 months ago. Which assessment finding would be the most concerning and require immediate intervention?

## 보기

1. Serum creatinine level increased from 1.2 mg/dL to 2.8 mg/dL over the past week **✔ 정답**
2. Blood pressure reading of 150/90 mmHg with mild headache
3. White blood cell count of 3,500/mm³ with no fever
4. Mild peripheral edema in bilateral lower extremities

**정답: 1**

## 해설

A rapid increase in serum creatinine from 1.2 to 2.8 mg/dL in a week suggests acute rejection or nephrotoxicity, requiring immediate intervention to prevent graft loss. Other findings like hypertension, mild leukopenia, or edema are less urgent.

## 심화 해설

Understanding the Priority: Acute Graft Dysfunction

In a client who is 6 months post-kidney transplant, the assessment must focus on detecting signs of rejection or other complications that threaten the viability of the graft. The most concerning finding is the one that indicates an acute and rapid decline in kidney function, as this requires immediate intervention to potentially salvage the organ.

Analysis of the Correct Answer (Option 1)

A rise in serum creatinine from 1.2 mg/dL to 2.8 mg/dL over just one week represents a rapid and significant loss of graft function. This is the hallmark of acute graft dysfunction. The provided evidence strongly supports the critical nature of this finding. Research demonstrates that early post-transplant serum creatinine is a powerful, independent predictor of long-term graft survival [1]. A sharp increase like this signals an active pathological process, such as acute rejection, which requires prompt diagnosis and management. Furthermore, the literature highlights that while serum creatinine is a late and nonspecific marker of kidney injury, a rapid functional decline is a critical clinical alarm that demands immediate investigation and intervention to prevent irreversible damage [3]. This change is the most direct and urgent indicator of a threat to the transplanted organ.

Why the Other Options Are Less Urgent

- Option 2: Blood pressure reading of 150/90 mmHg with mild headache. Hypertension is a common post-transplant issue and a known risk factor for long-term graft loss [4]. It can also be a sign of transplant renal artery stenosis (TRAS), a potentially reversible cause of graft dysfunction [2]. However, in the context of a 6-month post-transplant client, a single elevated reading with a mild headache is a subacute concern. While it requires evaluation and management, it does not represent the same level of immediate threat to the graft's viability as a doubling of the serum creatinine. The hypertension is a sign of a potential underlying problem, whereas the creatinine rise is the direct evidence of the organ failing.

- Option 3: White blood cell count of 3,500/mm³ with no fever. A low white blood cell count (leukopenia) is a significant finding in an immunosuppressed transplant recipient, as it increases the risk for opportunistic infections. This is a safety concern that requires dose adjustment of immunosuppressive medications. However, in the absence of fever or other signs of active infection, this finding is less immediately life-threatening or graft-threatening than an acute, severe decline in kidney function. The priority is to address the direct evidence of organ failure first.

- Option 4: Mild peripheral edema in bilateral lower extremities. Mild, bilateral edema can be a relatively common finding post-transplant and may be related to medications, fluid balance, or venous insufficiency. While it warrants monitoring and further assessment, it is a nonspecific and often non-urgent finding. It does not provide the same acute, objective evidence of deteriorating graft function as a rapid and significant increase in serum creatinine.References (research sources)

- [1]Serum Creatinine Level at One Month Post-Transplant Predicts 3-Year and 5-Year Graft Survival and Renal Function: A Large Single-Center Retrospective Cohort Study.Research articleLee J, Son S, Ju M. (2026) · DOI: 10.3390/jcm15114238

- [2]Silent but Severe: Transplant Renal Artery Stenosis Causing Acute Graft Dysfunction in a Child With Cystinosis.Research articleBecerir T, Altıntaş ÜS, Girişgen İ, Kabukcuoğlu MB, Kılıç P, Arslan M. (2026) · DOI: 10.1111/petr.70372

- [3]Early Post-Transplant Protein Biomarkers for Risk Stratification of Renal Allograft Dysfunction: Diagnostic Value and Clinical Chemistry Perspectives.Research articleBot Rachisan AL, Aldea PL, Bulata B, Delean D, Elec F, Sparchez M. (2026) · DOI: 10.3390/diseases14010036

- [4]Predictors of Long-Term Kidney Transplant Survival: A Scoping Review.Research articleToni E, Ayatollahi H, Ziyaee S, Rahimi F. (2026) · DOI: 10.1002/hsr2.72606

## 임상 시나리오

Clinical Scenario

A client 6 months post-kidney transplant presents with a serum creatinine increase from 1.2 mg/dL to 2.8 mg/dL over one week. This rapid rise is the priority finding, indicating acute graft dysfunction that demands immediate intervention to rule out rejection and prevent irreversible organ loss.

Immediate Actions

- Notify the transplant team immediately with the exact creatinine values and timeline.

- Assess for other signs of rejection: fever, graft tenderness, oliguria, or fluid overload.

- Prepare for urgent diagnostic workup: renal ultrasound with Doppler to assess vascular flow, and transplant biopsy if indicated.

- Review immunosuppressant levels (tacrolimus, cyclosporine) and recent adherence history.

Key Clinical Points

- A creatinine rise greater than 25% from baseline is a red flag for acute rejection.

- Hypertension (Option 2) is common post-transplant and managed with antihypertensives; it does not require the same level of emergent graft-focused intervention.

- Leukopenia (Option 3) suggests over-immunosuppression and infection risk, but without fever or active infection, it is a subacute concern.

- Mild peripheral edema (Option 4) often relates to fluid retention or medication side effects and is not an immediate threat to graft survival.

Nursing Priorities

Prioritize assessment and reporting of any rapid decline in graft function. Serum creatinine trends are the most sensitive clinical indicator for graft health. Early intervention in acute rejection can often reverse the process and preserve kidney function.

## 핵심 개념

- **Acute Graft Dysfunction** — A rapid decline in transplanted organ function, often indicated by a sharp rise in serum creatinine, signaling possible acute rejection requiring urgent evaluation.
- **Serum Creatinine** — A waste product filtered by kidneys; rising levels indicate declining kidney function and serve as a key marker for graft health post-transplant.

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