Chronic Kidney Disease Flashcards
hematuria
Blood in urine
Azotemia
Toxins, lack of kidney filtration
oliguria
Decreased urine output
<400 ml/day
glomerular filtration rate
Lab that test amount of blood being filtered by glomeruli
kidney function
Maintain fluid and electrolyte homeostasis
Get rid of water, soluble waste via urine
Produces erythropoietin – RBC production
Activate vitamin D
Produces renin – regulates BP
Normal BUN level
10-20
normal Cr level
0.5-1.2
normal BUN/Cr
10:1
normal GFR
> 90 ml/min
chronic kidney disease
Presence of kidney damage >3 months with or without GFR <60
In ability to maintain acid base balance, remove end products of metabolism, maintain fluid/electrolyte balance
stage one of CKD
Kidney damage with normal or increased GFR
> = 90
symptoms of stage 1
Asymptomatic
Stage two of CKD
damage with mild, decreased GFR
60-89
symptoms of stage two
Asymptomatic, HTN, possibly
stage three of CKD
Moderate decrease GFR
30-59
symptoms of stage three
Hypertension
stage four of CKD
Severe decreased GFR
15-29
what stage of CKD are symptoms apparent?
Stage four
stage five of CKD
End stage renal failure
<15
symptoms of stage five
Uremia
Causes of end-stage renal disease
1 diabetes
HTN
Glomerular nephritis
risk factors of CKD
Family history
>60 yrs old
Male, AA
HTN, diabetes, smoking
Overweight, obese
pathogenesis of CKD
Glomerulosclerosis – scar tissue
Interstitial fibrosis
Interstitial inflammation
Complement – further destruction of kidney disease
Angiotensin II - increased BP
uremia
Retention of metabolic wastes
Urea, phenols, Cr, hormones, electrolytes, water
what GFR value relates to uremia?
<=10
what occurs when the kidneys No longer maintain fluid and electrolyte homeostasis?
Edema
Hyperkalemia
Hyperphosphatemia
Hypermagnesemia
Metabolic acidosis
What occurs when the kidneys no longer rid the body of waste via urine?
anorexia
Malnutrition
Itching
CNS changes – confusion
what occurs with decreased production of erythropoietin?
Anemia
what occurs with decreased activation of vitamin D?
Renal osteodystrophy
Weak bones - risk for fractures!
what does pharmacology therapy do?
Slows rate of progression
Reduce BP to <140/90
Treat HDL <200
how to treat volume overload
Loop diuretics, low sodium diet
how to treat hyperkalemia
Decrease foods, high in potassium
how to treat hyperphosphatemia
Calcium carbonate
how to treat metabolic acidosis
Sodium bicarb
how to treat renal osteodystrophy
Calcitriol
Vitamin D
how to treat anemia
Erythropoietin if Hgb <10
how to control high blood pressure
ACE/ARB
how to control lipids
Statins
Complications of drug therapy
many drugs are excreted through the kidneys. – Renal dosing
decreased drug elimination
Drug dosage and frequency adjusted