Dyslipidemia Flashcards
Calculation for Non-HDL
TC-HDL
What can elevated TG cause
acute pancreatitis
Friedewald equation
LDL = TC - HDL - TG/5
When can you not use the friedewald equation
when TG > 400 mg/dL
Drugs that raise LDL and TG (4)
Protease Inhibitors
Steroids
Diuretics
Immunosuppressants
Drugs that raise LDL only (2)
Fibrates
SGLT2 inhibitors
Drugs that raise TG only (4)
IV lipid emulsions
propofol
beta-blockers
atypical antipsychotics
Conditions that raise LDL and TG (6)
obesity hypothyroidism alcoholism smoking diabetes renal/liver disease
Desirable LDL level
<100
Very high LDL level
> 190
desirable HDL level
men >40
women > 50
Normal TG levels
< 150
Very high TG levels
> 500
Natural product used to lower cholesterol
Red yeast rice
-contain naturally occurring HMG-CoA reductase inhibitors
What ASCVD risk score indicated to start a statin
> 7.5%
Risk-enhancing factors for ASCVD (10)
very high LDL family history of premature ASCVD metabolic syndrome chronic kidney disease history or preeclampisa history of premature menopause chronic inflammatory disorders high CRP high CAC abnormal ABI
A CAC score of what indicated use of a statin
> 100
High-intensity statin group
LDL >190
DM 40-75 with LDL 70-189 and multiple ASCVD risk factors
40-75 w/ LDL 70-189 with 10-yr ASCVD > 20%
Moderate-intensity statin group
DM 40-75 with LDL 70-189
40-75 with LDL 70-189 and 10-y ASCVD 7.5-19.9%
List high intensity statins
Atorvastatin 40-80
Rosuvastatin 20-40
What % do high intensity statins lower cholesterol by?
50%
List Moderate intensity statins
Atorvastatin 10-20 Rosuvastatin 5-10 Simvastatin 20-40 Pravastatin 40-80 Lovastatin 40
What % do moderate intensity statins lower cholesterol by?
30-40%
List low intensity statins
simvastatin 10
pravastatin 10-20
lovastatin 20
What % do low intensity statins lower cholesterol by?
<30%
Which cholesterol lowering drugs cause liver damage (4)
Niacin
fibrates
exetimibe
potentially statins
Statin MOA
inhibit the enzyme HMG-CoA reductase which prevents the conversion of HMG-CoA to mevalonate. this is the rate-limiting step in cholesterol synthesis
define myalgias
muscle soreness and tenderness
define myopathy
muscle weakness +/- CPK elevations
define myositis
muscle inflammation
define rhabdomyolysis
muscle symptoms with very high CPK (>10000) + muscle protein in the urine (myoglobinuria) which leads to acute renal failure
gemfibrozil + statin DDI
myalgias
Which statins need taken in the evening
simvastatin
lovastatin
which statins are CI with strong cyp3a4 inhibitors
simvastatin
lovastatin
statins + niacin DDI
myopathies
Max dose of simvastatin when used with CCB
10mg/day
Max dose of simvastatin when used with amiodarone, smlodipine
20 mg/day
ezitimibe MOA
inhibits absorption of cholesterol in the small intestine
PCSK9 inhibitors MOA
bind to proprotein convertase subtilisin kexin type 9. PSCK9 inhibitors inhibit the binding of PCSK9 to LDL receptors thus increase the number of LDL receptors available to clear LDL
List PCSK9i
Alirocumab
Evolucumab
Bile Acid sequestrants MOA
bind bile acids in the intestines, forming a complex that is excreted in the feces
List BAS
Cholestyramine
colesevelam
colestipol
Which BAS can a pregnant women use
cholesevelam
Fibrates MOA
peroxisome proliferator receptor alpha (PPARa) activators, which upregulate the expression of apolipoprotein c2 and apolipoprotein A1. apoc-2 increases lipoprotein lipase activity leading to increased catbolism of BLDL particles. this will decrease TG significally
List fibrates
fenofibrate
gemfibrozil
CI for fibrates
severe liver disease including primary biliary cirrhosis
gallbladder disease
Niacin MOA
decreases rate of hepatic synthesis of VLDL (decreases TG) and LDL
What is niacin also known as?
nicotinic acid
vitamin B3
Major SE of niacin
flushing
How to reduce flushing in niacin
ASA 325 30-60 min before dose
When are fish oil indicated
TG > 500
List fish oils
omega-3 acid ethyl esters (lovaza)
-has EPA and DHA
icosapent ethyl (Vascepa)
-has EOA
fish oil effect on LDL
Lovaza can inc by 44%
no increase seen with vascepa
Lomitapide MOA
binds to and inhibits microsomal TG transer protein (MTP) which prevents the assembly of apoB containing lipoproteins
Mipomersen MOA
oligonucleotide inhibitor of apoB synthesis
Indication for lomitapide and mipomersen
Homozygous familial hypercholesterolemia