# A nurse is assessing a 45-year-old patient with nephrotic syndrome. Which assessment finding would be most characteristic of this condition?

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## 문제

A nurse is assessing a 45-year-old patient with nephrotic syndrome. Which assessment finding would be most characteristic of this condition?

## 보기

1. Hematuria and flank pain
2. Massive proteinuria and hypoalbuminemia **✔ 정답**
3. Oliguria and azotemia
4. Hypertension and peripheral neuropathy

**정답: 2**

## 해설

Nephrotic syndrome is characterized by massive proteinuria (>3.5 g/day) and hypoalbuminemia, which are the hallmark findings. Other options are more typical of other renal conditions like glomerulonephritis or acute kidney injury.

## 심화 해설

Key Characteristics of Nephrotic Syndrome

The hallmark of nephrotic syndrome is a derangement in the glomerular filtration barrier, which leads to a predictable clinical picture. The most characteristic assessment findings are massive proteinuria (specifically, a loss of >3.5 g/day) and the consequent hypoalbuminemia. This massive loss of protein, particularly albumin, causes a cascade of other signs including generalized edema, hyperlipidemia, and lipiduria. The provided case reports reinforce this core pathophysiology. For instance, a patient with nephrotic syndrome secondary to membranous nephropathy presented with "marked proteinuria" and "severe hypoalbuminemia," which are the primary diagnostic indicators of the syndrome [2].

Why Other Options Are Less Characteristic

While complications can arise, the other findings are not the primary, defining features of nephrotic syndrome itself.

- **Option 1 (Hematuria and flank pain):** While hematuria can occur in some glomerular diseases, it is the hallmark of a nephritic syndrome, not nephrotic. The case report describes a patient with nephrotic syndrome whose imaging mimicked acute pyelonephritis, a condition that presents with flank pain, but this was a complication (renal vein thrombosis) and not a characteristic of the underlying syndrome .

- **Option 3 (Oliguria and azotemia):** These findings are indicative of a rapid decline in kidney function, characteristic of acute kidney injury or rapidly progressive glomerulonephritis. While nephrotic syndrome can be complicated by acute kidney injury, oliguria and azotemia are not its defining features.

- **Option 4 (Hypertension and peripheral neuropathy):** Hypertension is a common finding in many renal diseases, including nephritic syndrome, but it is not a defining characteristic of nephrotic syndrome. Peripheral neuropathy is not directly caused by nephrotic syndrome and is more closely associated with other systemic conditions like diabetes mellitus or uremia from chronic kidney disease.

Clinical Reasoning and Complication Awareness

The case reports highlight a critical NCLEX concept: the hypercoagulable state induced by nephrotic syndrome. The loss of antithrombin III and other coagulation regulatory proteins in the urine, coupled with increased hepatic synthesis of procoagulant factors, predisposes patients to thromboembolic events. One report details a patient with a complete renal vein thrombosis extending into the inferior vena cava, a severe complication directly linked to the hypercoagulability of nephrotic syndrome . Another report describes a patient who developed life-threatening bilateral pulmonary emboli as the initial presentation of his nephrotic syndrome [2]. Therefore, while the nurse's primary assessment will identify the classic triad of proteinuria, hypoalbuminemia, and edema, vigilant monitoring for signs of thrombosis (e.g., sudden flank pain, hematuria, dyspnea) is a crucial nursing responsibility.

References (research sources)

- [2]Perioperative management of pulmonary thromboendarterectomy in a patient with life-threatening acute-on-chronic pulmonary thromboembolism secondary to nephrotic syndrome: A case report.Case reportSugiyama H, Ogaku A, Suzuki T, Sakazaki R, Ikeda N, Mori M, Onaka K, Yamazaki H, Yamaguchi H, Otsuka N. (2026) · DOI: 10.1177/2050313x261448364

## 임상 시나리오

Nephrotic Syndrome AssessmentKey Findings and Differentiation
The hallmark of nephrotic syndrome is a deranged glomerular filtration barrier, causing massive proteinuria (loss of >3.5 g/day) and consequent hypoalbuminemia. This leads to a cascade of generalized edema, hyperlipidemia, and lipiduria.

Differentiate from nephritic syndrome, which presents with hematuria, hypertension, and oliguria. Oliguria and azotemia suggest acute kidney injury, not the primary nephrotic presentation.

CautionA patient with nephrotic syndrome is at risk for complications like renal vein thrombosis, which can mimic flank pain. Always prioritize the primary diagnostic criteria of proteinuria and hypoalbuminemia.

## 핵심 개념

- **Nephrotic Syndrome** — A kidney disorder characterized by increased glomerular permeability leading to massive proteinuria, hypoalbuminemia, edema, and hyperlipidemia.
- **Massive Proteinuria** — Urinary protein excretion exceeding 3.5 grams per day, the primary diagnostic criterion for nephrotic syndrome.
- **Hypoalbuminemia** — A low level of albumin in the blood, resulting from excessive loss of protein in the urine.
- **Nephritic Syndrome** — A glomerular disorder presenting with hematuria, hypertension, oliguria, and mild proteinuria, distinct from nephrotic syndrome.
- **Glomerular Filtration Barrier** — The structure in the kidney that filters blood; damage to this barrier causes the protein leakage seen in nephrotic syndrome.

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