Renal Flashcards

1
Q

What are the leading causes of kidney dz

A

Diabetes and hypertension

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2
Q

What is an eGFR

A

eGFR is a serum test to assess the amount of plasma filtered through the glomeruli (how well your kidneys are filtering)

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3
Q

What is a normal eGFR

A

GFR of 90 or higher

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4
Q

What is CrCl

A

Is a timed urine test to test the amount of creatinine the kidneys can clear in 24-hours

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5
Q

What is the reason for CrCl

A

Results shows how much creatinine has passed through your kidneys into your urine
Helps show how well your kidneys are removing the waste products from your blood

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6
Q

Normal CrCl

A

Less than 30 mg/g

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7
Q

What is azotemia

A

Biochemical abnormality, defined as elevation or buildup of, nitrogenous products, creatinine in the blood, and other secondary waste products within the body

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8
Q

Normal BUN and creatinine levels

A

Creatinine: 0.6-1.2
BUN: 7-21

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9
Q

What is acute kidney injury

A

Rapid loss of renal function due to damage to the kidneys
50% or greater increase in serum creatinine above baseline

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10
Q

Caused of AKI

A

Hypovolemia
Hypotension
Reduced cardiac output and HF
Obstruction of the kidney or lower urinary tract
Obstruction of renal arteries or veins

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11
Q

Categories of AKI

A

Prerenal: volume depletion, impaired cardiac efficiency, vasodilation
Intrarenal: renal ischemia, nephrotoxins, infection
Postrenal: urinary tract obstruction

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12
Q

Phases of AKI

A

Initiation: initial insult
Oliguria: increase in urea, creatinine, uric acid, phosphorous, potassium, magnesium
Diuresis: gradual increase in urine but GFR may still be abnormal
Recovery: improved renal function, may take 3-12 months

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13
Q

What is the most accurate indicator of fluid status

A

Weight
1 kg = 1000 mL

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14
Q

What is oliguria

A

Less than 400 mL in 24 hr

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15
Q

What is chronic kidney dz

A

Umbrella term that describes kidney damage or decreased GFR lasting 3 or more months
Prolonged acute inflammation
Can be subtle systemic manifestations

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16
Q

Causes of CKD

A

DM
HTN
Chronic glomerulonephritis
Pyelonephritis or other infections
Obstruction of urinary tract
Hereditary lesions
Vascular disorders
Medications or toxic agents

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17
Q

What is nephrosclerosis

A

Hardening of renal arteries (expected with aging)
Major cause of CKD

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18
Q

What is acute nephritic syndrome

A

Postinfectious glomerulonephritis, rapidly progressive glomerulonephritis, and membranous glomerulonephritis

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19
Q

Manifestations of acute nephritic syndrome

A

Hematuria
Edema
Azotemia
Proteinuria
Hypertension

20
Q

Medical management of acute nephritic syndrome

A

Supportive care and dietary modifications
Treat cause if appropriate
Antibiotics, corticosteroids, and immunosuppressants

21
Q

Nursing management of acute nephritic sydrome

A

Patient assessment
Maintain fluid balance
Fluid and dietary restrictions
Patient education
Follow-up care

22
Q

Causes of chronic glomerulonephritis

A

Repeated acute glomerular nephritis, hypertensive nephrosclorosis, hyperlipidemia, and other cause of glomerular damage

23
Q

What is chronic glomerulonephritis

A

Renal insufficiency or failure: asymptomatic for years as glomerular damage increases before signs and symptoms develop

24
Q

Nursing management of chronic glomerulonephritis

A

Assessment
Potential fluid and electrolyte imbalances
Cardiac status
Neurologic status
Emotional support
Education in self-care

25
What is nephrotic syndrome
Any condition that seriously damaged the glomerular membrane and results in increased permeability to plasma proteins
26
Manifestations of nephrotic syndrome
Results in hypoalbuminemia and edema
27
Management of nephrotic sydrome
Drug and dietary therapy Education
28
What is polycystic kidney dz
Genetic disorder- most common inherited cause of kidney failure May have cysts in other organs No cure, supportive treatment
29
Renal cancer
Rare but has increased in the past two decades Tobacco use significant risk factor Higher incidence in men with increased BMI and african americans May be asymptomatic with only painless hematuria with dull back pain
30
What is kidney failure
Results when the kidneys cannot remove wastes or perform regulatory fx Systemic disorder that results from many different causes
31
Assessment of patients with kidney dz
Fluid status Nutritional status Patient knowledge Activity tolerance Self-esteem Potential complications
32
Complications of kidney dz
Hyperkalemia Pericarditis Pericardial effusion Pericardial tamponade Hypertension Hypertension Anemia Bone dz
33
Complications of kidney dz
Anemia or low RBC, which can cause fatigue and weakness Extra fluid in the body, which can cause high BP, swelling in the legs, or SOB A weakened immune system, which make it easier to develop infections Loss of appetite or nausea Decreased sexual response Confusion, problems with memory and thinking, or depression Low calcium levels and high phosphorus levels in the blood, which can cause bone dz and heart dz High potassium levels in the blood, which can cause an irregular or abnormal heartbeat and lead to death
34
Goal for patients with chronic kidney dz and AKI
Maintaining IBW without excess fluid Maintenance of adequate nutritional intake Increased knowledge Participation of activity within tolerance Improved self-esteem Absence of complications
35
Nursing interventions for kidney dz and AKI
Fluid status Nutritional status; weight changes, laboratory data Nutritional patterns: hx, preferences Provide food preferences within restrictions Encourage high-quality nutritional foods while maintaining nutritional restrictions Stomatitis or anorexia: modify intake related to factors that contribute to alterations Adjust medication times related to meals Assess pt and family responses to illness and treatment Assess relationship and coping patterns Encourage open discussion about changes and concerns Explore alternate ways of sexual expression Discuss role of giving and receiving love, warmth, and affection
36
Considerations with fluid status nursing management with kidney dz and AKI
Assess for s/s of fluid vol excess, keep accurate I&O, and daily weights Limit flui to prescribed amounts Identify sources of fluid Explain to pt and family the rationale for fluid restrictions Assist pt to cope with the fluid restrictions Provide or encourage frequent oral hygiene
37
CKD Pt teaching
Keep your blood pressure below 130/80 If you have diabetes, stay in your target blood sugar range as much as possible Get active- physical activity helps control BP and blood sugar levels Lose weight if you're overweight Get tested for CKD regularly if you're at risk If you have CKD, meet with a dietician to create a kidney-healthy eating plan Take medications as instructed If you smoke, quit
38
Indication for hemodialysis
Used when patient is acutely ill until kidneys resume fx and for long-term replacement therapy in CKD and ESKD
39
Goal of hemodialysis
Extract toxic nitrogenous substances from the blood and to remove excess fluid
40
Vascular access for hemodialysis
Arteriovenous fistula Arteriovenous graft
41
Goal of peritoneal dialysis
Remove toxic substances and metabolic wastes and to reestablish normal fluid and electrolyte balance
42
Complications of peritoneal dialysis
Peritonitis, leakage, bleeding
43
Assessment of pt on dialysis
Protect vascular access: assess site for patency, signs of potential infection, do not use for BP or blood draws Carefully monitor fluid balance, IV therapy, accurate I&O, IV administration pump s/s of uremia and electrolyte imbalance, regularly check lab data Monitor cardiac/respiratory status carefully Cardiovascular medications must be held prior to dialysis
44
Nursing interventions for pt on dialysis
Monitor all medications and medication dosages carefully Address pain and discomfort Stringent infection control measures Dietary considerations: sodium, potassium, protein, fluid, individual nutritional needs Skin care: pruritis, keep skin clean and well moisturized, trim nails, and avoid scratching
45
Postoperative nursing management for kidney transplant
Assessment: include all body systems, pain, fluid and electrolyte status, and patency and adequacy of urinary drainage system Complications: bleeding, pneumonia, infection, and DVT
46
Post-op nursing interventions for kidney transplant
Pain relief measures, analgesic medications Promote airway clearance and effective breathing pattern, turn, cough, deep breathe, incentive spirometry, positioning Monitor UO and maintain potency of urinary drainage systems Use strict asepsis with catheter Monitor for signs and symptoms of bleeding Encourage leg exercises, early ambulation, and monitoring for signs of DVT
47
Pt education for kidney transplant
Instruct both patient and family Drainage system care Strategies to prevent complications Signs and symptoms Follow-up care Fluid intake Health promotion and health screening