A nurse is caring for a client with nephrotic syndrome. Which nursing intervention should be the priority?
1Monitor daily weight and intake/output strictly✓ 정답
2Encourage increased protein intake to replace losses
3Administer diuretics as prescribed
4Restrict fluid intake to 1000 mL per day
해설
Strict monitoring of daily weight and intake/output is the priority to assess fluid balance and prevent complications like pulmonary edema in nephrotic syndrome. Other options are important but secondary to accurate fluid status assessment.
Understanding Nephrotic Syndrome and Fluid Balance
In nephrotic syndrome, damage to the glomerular basement membrane leads to massive proteinuria, causing a drop in plasma oncotic pressure. This pressure imbalance allows fluid to shift from the intravascular space into the interstitial tissues, resulting in the hallmark generalized edema. Because the circulating blood volume is often depleted, the kidneys activate the renin-angiotensin-aldosterone system, leading to sodium and water retention that further worsens the edema. This creates a precarious clinical situation where a patient can have significant total body fluid overload but a depleted effective circulating volume, making careful fluid status monitoring the cornerstone of safe care.
Why Monitoring is the Priority
The priority intervention is to monitor daily weight and intake/output strictly. This assessment provides the most direct and objective data on the direction and severity of fluid shifts. A rapid increase in daily weight is a sensitive indicator of fluid retention, while a sudden drop in urine output could signal a dangerous decline in effective circulating volume or progression to acute kidney injury. A recent cross-sectional study on pediatric fluid management highlights that fluid overload is a critical risk, directly linked to increased complications like acute kidney injury (AKI) and prolonged ventilation [3]. This underscores that meticulous tracking of intake and output is not a passive task but an active safety measure to detect life-threatening imbalances early. Furthermore, research on children with nephrotic syndrome has validated the use of advanced tools like bioelectrical impedance vector analysis (BIVA) and phase angle (PhA) to verify hydration status, confirming that precise fluid assessment is a complex and vital clinical challenge in this population [1].
Analyzing the Other Options
The other options are not the initial priority because they can be harmful if implemented without first establishing an accurate fluid status baseline.
- Encouraging increased protein intake is a common misconception. While protein is lost in the urine, increasing dietary protein does not correct the underlying glomerular damage and can actually worsen proteinuria by increasing intraglomerular pressure, potentially accelerating kidney injury.
- Administering diuretics is a medical intervention that must be used with extreme caution. If the patient is already intravascularly depleted, aggressive diuresis can precipitate acute kidney injury, hypotension, and thromboembolic events. Diuretic administration must be guided by the clinical data gathered from strict monitoring.
- Restricting fluid intake to a specific volume is not a universal, first-line nursing intervention. Fluid restriction is prescribed based on the patient’s clinical picture, including the degree of edema, serum sodium levels, and urine output. A fixed restriction of 1000 mL per day is an arbitrary medical order that cannot be a nursing priority before a comprehensive assessment is complete. Assessment always precedes implementation in the nursing process.
References (research sources)
[1]
Bioelectrical impedance vector analysis and phase angle to verify early hydration status and prognosis in hospitalized children with nephrotic syndrome: an exploratory case series.Case reportda Silva EAF, de Araújo MGG, Xavier AMSF, Dantas AKDC, da Silva EP, Lopes MMGD. (2025) · DOI: 10.3389/fnut.2025.1588452
[3]
Challenges in Pediatric Fluid Management: Insights into Nursing Practices and Knowledge.Research articleShahzeydi A, Kalhor F, Namnabati M, Joonbakhsh F, Sabzghabaee AM, Khaksar S. (2025) · DOI: 10.1177/30502225251364933
Clinical Practice Guide: Nephrotic Syndrome Fluid Monitoring
The priority in nephrotic syndrome is detecting fluid shifts early to prevent complications from intravascular volume depletion while managing total body fluid overload.
Key Assessment Steps
Daily Weight: Weigh the patient at the same time each day, using the same scale, in similar clothing. A change of 1 kg is roughly equivalent to 1 liter of fluid retention.
Strict Intake and Output (I/O): Record all oral and IV fluids, and measure all urine output. Use a calibrated container for accuracy.
Edema Assessment: Document the location, degree (pitting vs. non-pitting), and extent of edema daily. Measure abdominal girth if ascites is present.
Vital Signs: Monitor for orthostatic hypotension and tachycardia, which can indicate intravascular volume depletion despite generalized edema.
Critical Nursing Actions
Trend Data: Compare daily weights and I/O totals over 24-48 hours. A rapid weight gain or drop in urine output requires immediate notification of the provider.
Diuretic Safety: If diuretics are prescribed, administer them carefully and monitor for signs of excessive fluid removal, such as hypotension or acute kidney injury.
Fluid Management: Fluid restriction is not automatic; it is based on the patient's output and serum sodium levels. Collaborate with the provider and dietitian for a tailored plan.
Patient Education: Teach the patient and family the purpose of daily weights and I/O monitoring. Instruct them to report a sudden weight gain, decreased urination, or increased swelling immediately.
Nephrotic Syndrome — A kidney disorder causing the body to excrete too much protein in the urine due to glomerular damage, leading to edema, hypoalbuminemia, and hyperlipidemia.
Intravascular Volume Depletion — A state where the effective circulating blood volume is low despite total body fluid overload, caused by fluid shifting into interstitial spaces due to low oncotic pressure.
Oncotic Pressure — A form of osmotic pressure exerted by proteins, primarily albumin, in the blood plasma that tends to pull water into the circulatory system.