A nurse is caring for a client with autosomal dominant polycystic kidney disease (ADPKD). Which nursing intervention is most appropriate to help prevent complications associated with this condition?
1Encourage high-protein diet to maintain muscle mass
2Restrict fluid intake to 1000 mL per day
3Monitor and control blood pressure within target range✓ 정답
4Administer diuretics to reduce kidney workload
해설
Blood pressure control is critical in ADPKD to slow disease progression and prevent cardiovascular complications. Other options are not recommended as they may worsen outcomes.
Core Nursing ExplanationKey Concept Analysis: This question assesses the priority nursing intervention for managing Autosomal Dominant Polycystic Kidney Disease (ADPKD). ADPKD is characterized by the growth of numerous cysts in the kidneys, leading to progressive kidney enlargement, hypertension (HTN), and eventual decline in renal function. The pathophysiology involves cyst expansion, which compresses normal kidney tissue and activates the renin-angiotensin-aldosterone system (RAAS), causing secondary hypertension. Uncontrolled hypertension is the single most important modifiable factor that accelerates the decline of Glomerular Filtration Rate (GFR) and increases the risk of cardiovascular complications, which are the leading cause of death in ADPKD.
Answer Rationale: Key Point! The most appropriate nursing intervention is to Monitor and control blood pressure within target range. Aggressive blood pressure control (typically targeting <130/80 mmHg) is the cornerstone of ADPKD management. It slows cyst growth, delays the progression to End-Stage Renal Disease (ESRD), and reduces the risk of stroke and heart disease. This intervention is proactive, evidence-based, and central to the nursing role in chronic disease management.
Distractor Analysis:
Watch out for confusion! Option ①, "Encourage high-protein diet," is contraindicated. A high-protein diet increases the production of nitrogenous wastes, which the damaged kidneys cannot excrete efficiently, potentially accelerating renal decline. Patients with chronic kidney disease (CKD) are often advised to follow a moderate or low-protein diet as prescribed.
Option ②, "Restrict fluid intake to 1000 mL per day," is generally inappropriate. While fluid restriction may be necessary in advanced stages with oliguria or severe edema, a blanket restriction is not standard. In ADPKD, maintaining adequate hydration is often encouraged to help suppress antidiuretic hormone (ADH) and potentially slow cyst growth.
Option ④, "Administer diuretics to reduce kidney workload," is not a primary or routine intervention. Diuretics are used to manage hypertension or edema, but they do not directly "reduce kidney workload." In fact, some diuretics can be harmful if electrolyte imbalances or volume depletion occur. The decision to administer diuretics is medical, not a standalone nursing intervention.
Related Concepts: Nursing care for ADPKD extends beyond blood pressure control. It includes genetic counseling, monitoring for complications (e.g., cyst rupture, infection, hematuria), pain management, and preparing the patient for renal replacement therapy (dialysis or transplant) as the disease progresses. Patient education on medication adherence (often ACE inhibitors or ARBs), lifestyle modifications (low-sodium diet, exercise), and regular follow-up is essential.
Concept Summary
RAAS & Hypertension: Cyst-induced ischemia in the kidneys causes juxtaglomerular cells to release renin, triggering the RAAS cascade → vasoconstriction and sodium/water retention → hypertension.
Drug of Choice: Angiotensin-Converting Enzyme Inhibitors (ACEIs) or Angiotensin II Receptor Blockers (ARBs) are first-line. They lower intraglomerular pressure, providing specific renoprotective benefits beyond just lowering BP.
GFR Monitoring
Regular calculation of estimated GFR (eGFR) via serum creatinine is crucial to track disease progression.
Memory Tips
Link the Chain: Cysts → Squeeze Kidney → RAAS → High BP → Faster Kidney Death. Break the chain at BP!
Diet Don'ts: Remember "No S.P.A.M." for ADPKD/CKD: Salt (high sodium), Protein (excess), Alcohol (dehydration), Medications (NSAIDs like ibuprofen).
High-Frequency NCLEX Topics
The NCLEX loves to test the priority intervention for chronic conditions. For ADPKD and other forms of CKD, controlling hypertension is almost always a top-tier answer. Expect questions that pair this with patient education points (e.g., "The nurse should include which instruction in the teaching plan?"). Also be ready to identify signs of worsening renal function (elevated BUN/Creatinine, proteinuria).
Watch Out for Question Variations!
Shift from "Intervention" to "Assessment": "Which finding should the nurse report immediately to the provider for a client with ADPKD?" → Answer: Sudden, severe flank pain with hematuria (possible cyst rupture).
Shift to "Patient Education": "Which statement by a client with ADPKD indicates understanding of the teaching?" → Correct: "I will take my lisinopril every day and check my blood pressure weekly." Incorrect: "I will start a high-protein shake regimen to keep my energy up."
Integrated with Pharmacology: "The nurse is reviewing medications for a client with ADPKD. Which medication should the nurse question?" → Answer: Ibuprofen (an NSAID, due to nephrotoxicity).
Nursing Clinical Practice GuideClinical Scenario: You are assigned to Mr. Johnson, a 45-year-old male newly diagnosed with ADPKD during a family screening after his father died of renal failure. His current BP is 148/92 mmHg. He reports occasional dull flank pain but is otherwise asymptomatic. He asks, "What can I do to keep my kidneys working as long as possible?"
Nursing Intervention Strategy:
Assessment: Obtain a thorough history (family history is key). Perform a physical assessment, focusing on BP measurement in both arms, abdominal palpation for enlarged kidneys (may be ballotable), and auscultation for renal bruits. Review labs: serum creatinine, eGFR, urinalysis for protein/blood.
Nursing Diagnosis: Risk for Decreased Cardiac Output related to hypertension; Deficient Knowledge regarding disease management and complication prevention.
Planning & Implementation:
BP Management: Educate on home BP monitoring. Collaborate with the provider to initiate or titrate an ACEI/ARB. Teach the importance of strict adherence.
Lifestyle Education: Teach a low-sodium diet (<2-3 g/day), moderate protein intake, and the importance of adequate water intake (unless contraindicated). Encourage regular aerobic exercise.
Complication Surveillance: Instruct to report fever, dysuria (UTI), sudden severe pain, or gross hematuria (cyst hemorrhage). Emphasize avoiding NSAIDs and informing all healthcare providers of the ADPKD diagnosis.
Psychosocial Support: Provide resources for genetic counseling. Discuss the progressive nature of the disease and plans for long-term follow-up.
Evaluation: Evaluate if BP is at target, if the patient can verbalize key self-care measures, and if he adheres to medication and follow-up appointments.
Patient Safety and Precautions:
Medication Caution: Monitor for side effects of ACEIs (e.g., cough, hyperkalemia, angioedema). Check potassium levels periodically.
Contraindications: Absolutely avoid nephrotoxic agents like NSAIDs (ibuprofen, naproxen) and certain antibiotics (aminoglycosides) unless absolutely necessary and with close monitoring.
Key Monitoring: Trend serum creatinine and eGFR over time. A rapid rise may indicate an acute-on-chronic injury (e.g., from dehydration or infection).
Nursing Procedure & Medication FlowBlood Pressure Monitoring & Education Procedure:
1. Ensure proper cuff size (bladder encircling 80% of arm).
2. Have patient sit quietly for 5 minutes, back supported, feet flat, arm at heart level.
3. Take two readings, 1-2 minutes apart. Record the average.
4. Educate the patient: Demonstrate on themselves. Instruct to check BP at the same time daily, before medications. Keep a log.
5. Teach action plan: What to do if BP is above a certain threshold (e.g., >140/90) – take medication as prescribed, rest, re-check, call provider if persistently high. ACEI/ARB Administration Points:
- Administer as ordered, often once daily.
- Monitor for first-dose hypotension, especially in volume-depleted patients. Advise to take at bedtime if dizziness occurs.
- Educate about the importance of continuing even if feeling well, as the renoprotective effect is long-term.
A Word from Your Senior Nurse
"Managing ADPKD is a marathon, not a sprint. As a nurse, you are the coach. Your most powerful tool is patient education. When a patient understands that controlling their blood pressure today directly impacts whether they'll need dialysis in 10 or 20 years, it empowers them. On the NCLEX, they're testing if you see the big picture – not just the diseased kidney, but the whole person and the modifiable factors that change their trajectory. Remember: In chronic disease nursing, the priority is often the intervention that slows progression and prevents complications. Keep that lens on, and you'll ace these questions."
Autosomal Dominant Polycystic Kidney Disease — A genetic disorder characterized by the growth of numerous fluid-filled cysts in the kidneys, leading to progressive kidney enlargement, hypertension, and eventual kidney failure.
Renin-Angiotensin-Aldosterone System — A hormone system that regulates blood pressure and fluid balance. In ADPKD, cyst-induced ischemia activates RAAS, causing secondary hypertension that accelerates kidney damage.
Angiotensin-Converting Enzyme Inhibitor — A class of antihypertensive medication (e.g., lisinopril) that blocks the conversion of angiotensin I to II. First-line in ADPKD for its specific renoprotective effects by lowering intraglomerular pressure.
Glomerular Filtration Rate — The best overall index of kidney function. In ADPKD, monitoring the estimated GFR (eGFR) is crucial to track the rate of disease progression towards end-stage renal disease.
End-Stage Renal Disease — The final, permanent stage of chronic kidney disease where kidney function is less than 10-15% of normal, requiring dialysis or kidney transplantation for survival. A primary outcome to delay in ADPKD management.