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63 Cards in this Set

  • Front
  • Back
What is chronic kidney disease also referred to as?
CKI- chronic kidney insufficiency
How do you define this?
kidney damage or kidney function decreased (decreased GFR) for 3 mo or more
What can CKD lead to?
ESRD
Define ESRD?
when kidney function is insufficient to sustain life
What is needed?
hemodialysis, peritoneal dialysis, or kidney transplant is substituted
What are some of the suseptibility factors of CKD?
age, decreased kidney mass, low birth weight, systemic inflammation, dyslipidemia, family history of CKD, racial/ehtnic minority, low income or eduction
What are some initation factors?
diabetes, hypertension, autoimmune disease, polyscystic kidney disease, drug toxicity
What are some of the progression factors?
poor glucose, blood pressure, proteinuria, smoking
What plays a major role in progression of CKD?
angiotensin II
What happens to nephrons?
to meet excretory demands, remaining nephrons undergo adaptations that increase single nephron GFR
What is the most prominent change?
glomerular hemodynamic adaptations (glomerular capillary htn)
What does this lead to?
glomerular sclerosis, neophron death
How is glomerular htn maintained?
primarily by angiotensin mehcanisms (increase BP, vasoconstriction of efferent arterioles)
what else does angiotensin have?
non-hemodyanmic effects that are important in progression of CKD
What symptoms do you see in stage 1-2?
non-absent
What happes in stage 3-4?
symptomatic, electrolyte disturbances, symp anemia
What are classic symptoms with stage 5?
pruritis, dysgeusia, nausea, vomiting, bleeding abnormalities
what are symptoms of anemia?
cold intolerance, sob, fatigue
What is the severity of the symtpoms related to?
rate of anemia development and the degree of hemoglobin reduction
Describe stage 1?
kidney damage , normal GFR >90
stage 2
kidney damage, mild decrease GFR 60-89
stage 3
moderate decrease GFR 30-59
stage 4
sever decrease gFR 15-29
stage 5
kidney failure <15 (on dialysis)
What can slow the progression of renal failure?
acei, arb
When does the protective effect have the greatest impact?
if initiated early, 1,2 females, 1.5 males, GFR<60
What happens if you wait till the disease progresses?
the likelihood of success decreases
Who should be treated with ace regarldess of htn?
people with CKD and proteinuria
Who were ace shown to be more effective in?
type 1 diabetes
Who were arbs shown to be more effective?
type 2 diabetes
what type of doses should be used?
moderate to high
What should be monitored?
blood pressure, serum creatinine, serum K
When?
1-2 weeks after initiations of therapy with ace
What is the target total protein to creatinine?
<500-1000 mg/g
Who should use combo?
lower bp or reduce proteinuria--safe and results in a great decrease in protein
What is a major risk for development and progression of CKD?
hyptertension
What else can it worsen?
cardivovascular disease in CKD
What are the goals in hypertensive therapy?
lower BP, slow progession of kidney disease, and reduce CVD risk
What should be used to tx the hypertension?
ACEI, ARB
What will most patients require?
tx with more than 1 drug
What should you use if you max out ace/arb?
diuretic, CCB, beta blcoker
when should you use a thiazide/loop?
thiazide if GFR>30, loop GFR<30, K sparing used with CAUTION
Which calcium channel blockers should be used?
verapamil, diltiazem -nondihydropyridine
what does glycemic control depend on?
stage at which it is begun, and degree of normalization of glucose metabolism
what did tight glycemic control do?
reduced incidence of microalbuminuria and albuminuria
What is contreversial?
dietary protein restriction
What is wrong with this?
compliance is difficult
what is the recommended for GFR <25?
0.6g/kg/day
What if they have problems with nutrition?
0.75 g/kg/day
What is the goal of hyperlipidemia tx?
to reduce risk for progressive cardiovascular dsiease
What is the secondary goal of tx?
reduction in protein and renal fucntion decline
What is the goal LDL?
<100 mg/dl in patietns with CKD
What has smoking cessation shown?
smoking is associated with faster rate of progression
What does smoking cessation result in?
protective effect against protien and reduced GFR
What is a risk factor of chronic renal dysfunction to ESRD?
anemia
What might worsen CKD progression?
hypoxia
What might be beneficial?
decreasing hypoxia by correcting anemia may be beneficial
What is the goal of protein?
<.5g/day
what is the goal of GFR?
<2 ml/min/y
What is the goal bp?
<130/80
What is the dietary protein resitriction?
0.6 g/kg/day- 0.75
What is the goal hga1c?
6.50%
What is the goal LDL?
<100