Conditions of Kidney Function-Kidney 3
Conditions of Kidney Function: Polycystic Kidney Disease
- Pathophysiology
- Inherited or genetic disorder leading to the development of fluid-filled cysts in the kidneys
- Impairs kidney function over time
- Types of Polycystic Kidney Disease
- Autosomal Dominant Polycystic Kidney Disease (ADPKD)
- Only one abnormal gene required
- 50% chance that an affected parent will pass the gene to offspring
- Autosomal Recessive Polycystic Kidney Disease (ARPKD)
- Both parents typically carriers, often asymptomatic
- 25% chance each child will inherit the disease
- Risk Factors
- Genetic disorder that is neither curable nor preventable
- Family history is the primary risk factor for PD
- Comorbidities
- Commonly associated with cysts in liver, pancreas, and renal calculi
- Possible links to cardiac disease, cerebral aneurysms, and colonic diverticula
- ADPKD is particularly linked with cardiovascular disorders
- Impact on Health
- Physiological/Psychosocial link: higher risk for clinical depression and anxiety
- Age-related: 50% of patients may progress to end-stage renal disease by age 60
Clinical Presentation of Polycystic Kidney Disease
- Symptoms of ADPKD
- Manifestations often present in midlife
- Symptoms include flank pain, polyuria, nocturia, palpable kidney masses, hematuria, hypertension, and proteinuria
- Elimination Issues
- Cysts may obstruct urine flow, causing stasis in urinary tract
- Increased risk of UTIs and pyelonephritis
- Progression to renal failure alters fluid and electrolyte balance
- Laboratory and Diagnostic Testing
- CT scans or renal ultrasounds utilized to assess number, location, and size of cysts in comparison to healthy kidneys
Nursing Role in Polycystic Kidney Disease
- Primary Focus
- Support, advocacy, and education for clients and families
- Genetic testing for the client’s children is recommended
- Client Education
- Involves information on medications, dietary changes, smoking cessation, and access to support groups
- Treatment and Therapies
- Management focuses on clinical manifestations and slowing kidney function decline
- Pharmacological Options
- Tolvaptan may be prescribed to reduce cyst size, slow kidney growth, and alleviate pain
Conditions of Kidney Function: Glomerulonephritis
- Pathophysiology
- Group of renal diseases resulting in immune-mediated inflammation causing decreased GFR
- Chronic Glomerulonephritis leads to excessive damage and eventual renal failure
- Key Concept: Damage to glomeruli affects the blood filtration process, leading to waste accumulation and altered mineral regulation
- Resulting symptoms include elevated cholesterol, hypertension, edema, and protein in urine
- Etiology
- Commonly acute onset due to bacterial infections (e.g., streptococcus)
- May also associate with viral infections such as Hepatitis B/C, HIV, and autoimmune diseases such as Lupus
Specific Conditions Related to Glomerulonephritis
- Granulomatosis with Polyangiitis (GPA)
- Rare autoimmune disease causing inflammation of small blood vessels, forming granulomas
- Affects various organs including kidneys, nose, sinuses, and lungs
- Key Connections
- Poorly controlled hypertension and diabetic nephropathy are significant risk factors
- Risk Factors
- Recent infections, bacterial endocarditis, and viral infections can precipitate glomerulonephritis
- Comorbidities
- Include Diabetes (type 1 and 2), Goodpasture's syndrome, and Berger's disease
Epidemiology of Glomerulonephritis
- Responsible for 10% to 15% of End-Stage Renal Disease (ESRD) cases in the U.S.
- Top causes of ESRD:
1. Diabetes Mellitus
2. Hypertension
3. Chronic Glomerulonephritis
- Can progress to ESRD within weeks to months
Goodpasture's Syndrome
- Life-threatening autoimmune disease
- Immune system attacks lungs and kidneys via anti-GBM antibodies, causing rapid glomerulonephritis and pulmonary hemorrhage
- Symptoms include coughing up blood, fatigue, and foamy or bloody urine
- Prompt treatment (plasma exchange and immunosuppressants) is crucial to prevent renal failure
Berger's Disease
- Chronic kidney disease from build-up of IgA antibody in glomeruli
- Symptoms include cola-colored urine, protein leakage, and high blood pressure, potentially progressing to kidney failure
- Exact cause is under investigation; includes suggestions of genetic predispositions
Impact on Health: Glomerulonephritis
- Physiological/Psychosocial: Progressive disease pattern
- Age-Related: By age 80, scarring affects approximately 30% of glomeruli
- Clinical Presentation
- Symptoms may include periorbital edema, dark frothy urine, elevated blood pressure, weakness, fever, malaise, and abdominal discomfort
- Symptoms often post-infection after 3 weeks
- Laboratory and Diagnostic Testing
- Focus on identifying the cause
- Tests include CBC, serum electrolytes, renal function tests such as BUN, creatinine, GFR, urinalysis, and 24-hour urine collection for proteinuria
- Diagnostic procedures: kidney biopsy and renal ultrasound
Nursing Role in Glomerulonephritis
- Education on lifestyle changes (diet, smoking cessation, diabetes management)
- Importance of annual vaccinations (flu, pneumococcal) for disease progression
- Treatment and Therapies focused on the underlying causes
- Pharmacological Treatments: corticosteroids (e.g., prednisolone), Rituximab for lupus nephritis, and cyclophosphamide for immunosuppressive needs
Conditions of Kidney Function: Renal Calculi
- Pathophysiology
- Kidney stones (nephrolithiasis) formed by accumulations of minerals and salts
- Can cause pain and blood in urine; urine pH affects type of stone formation
- Etiology
- Risk factors include dietary, genetic, environmental, lifestyle, dehydration, and hyperparathyroidism
- Impact on Health
- Physical activity, hydration levels, and age affect incidence; older clients account for 10% to 12% of cases
- Clinical Presentation
- Acute onset of severe flank pain, nausea, vomiting
- Potential for systemic infection and pyelonephritis
- Laboratory and Diagnostic Testing
- KUB x-ray, ultrasound, and non-contrast abdominal CT scans for detection
Nursing Role in Renal Calculi
- Risk factors influenced by environmental and individual compliance to prevention strategies
- Client Education
- Instruct clients on straining urine during acute episodes
- Post-acute education focuses on dietary modifications, increased fluid intake, and activity levels
- Treatment Options
- Medications including tamsulosin, nifedipine, and alfuzosin promote stone expulsion
- Procedures include ESWL and ureteroscopy with laser lithotripsy
Conditions of Kidney Function: Acute Renal Failure
- Pathophysiology
- Types include Prerenal, Intra-renal, Post-renal
- Key Concept: ARF is a sudden, usually reversible decline in kidney function
- Clinical Manifestations
- Inadequate blood flow leads to decreased urine output, fluid retention, and metabolic waste accumulation
- Laboratory Tests
- Serum creatinine and BUN tests measure kidney function
- GFR values indicate degree of dysfunction
Treatment of Acute Renal Failure
- Treatment depends on cause:
- Prerenal: fluid challenges
- Post-renal: relieve obstructions
- Pharmacology
- Loop diuretics such as Furosemide for hyperkalemia (with caution regarding indications)
Chronic Kidney Disease
- Key Concept: CKD is the gradual loss of kidney function which may lead to ESRD
- Pathophysiology
- Damage affects all kidney components, resulting in fibrosis and structural destruction
- Etiology
- Major causes: diabetes and hypertension
- Additional causes include glomerulonephritis, hereditary diseases, and more
Risk Factors for Chronic Kidney Disease
- Modifiable: hypertension, protein intake, obesity, smoking
- Non-modifiable: race, ethnicity, advanced age
- Comorbidities increase risk for rapid progression
Epidemiology of Chronic Kidney Disease
- Estimates suggest 10% to 14% of the population has CKD
- Underreporting due to lethargy of early stages
Stages of Chronic Kidney Disease
- Stage 1: eGFR > 90, normal function
- Stage 2: eGFR 60-89, mild damage
- Stage 3a: eGFR 45-59, mild to moderate damage
- Stage 3b: eGFR 30-44, moderate to severe damage
- Stage 4: eGFR 15-29, severe damage
- Stage 5: eGFR < 15, kidney failure
Treatment and Therapies for Chronic Kidney Disease
- Nursing Role
- Empower clients through education and lifestyle management
- Focus on diet, symptom recognition, and infection awareness
- Dialysis Options
- Hemodialysis and peritoneal dialysis outlined: mechanics and nursing considerations detailed
- Importance of awareness of complications and patient response during treatment
Additional Considerations in Kidney Disease
- Discussion Questions and Self-Reflection Activities
- Encourage critical thinking about patient management and caregiver approaches to terminal kidney disease.