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When were the first cholesterol drugs available? What were they?
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When did NCEP release it first report?
1970s
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What does NCEP stand for?
National Cholesterol Education Program
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When did NCEP issue its second report?
1993
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When did NCEP issue its third report (Adult Treatment Panel III)?
2001. Called for more aggressive evaluation and treatment of lipid levels
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Effect of hypothyroidism on lipid levels.
Screening tests
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Effect of DM and Metabolic Syndrome on lipids levels.
Screening tests
- INCREASE TC
- INCREASE TG
- DECREASE HDL
HgbA1C, glucose
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Effect of obstructive liver disease on lipid levels.
Screening tests
Increase TC
LFT
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Effect of CRF on lipid levels.
Screening tests.
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Effect of nephrotic syndrome on lipid levels.
Screening tests
Increase TC
UA for increase protein, Serum albumin (decrease)
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Effect of cushings disease on lipid levels
Screening tests
24 urine collection for cortisol levels
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Effect of pregnancy on lipid levels
Increase TC (measure 3-4 months postpartum)
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Effect of obesity on lipid levels
- Increase TG
- Decrease in HDL
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Effect of ethanol on lipid levels
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Effect of sedentary lifestyle on lipid levels
Decrease in HDL
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Effect of illness (eg MI, CVA, sx, trauma, malignancy, infection) on lipid levels
Decrease TC (by equal to or less than 40%)
Must be measured within 12h of the event
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Factors that can increase TG
- 1) Not fasting
- 2) ETOH. Ask to abstain 3 months before testing
- 3) DM with poor glycemic control
- 4) High amts of added sugar or fructose
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How often do you screen healthy adults for lipids?
every 5 years
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Lipoprotein levels as part of bld test. Must fast 12h for accurate TG levels
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Why would you test LFT?
- 1) Could indicate liver dysfxn
- 2) Baseline needed for statins, niacin, and fibrates
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Why would you test glucose?
To screen for DM. Can affect LDL goal
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Why would you test serum creatinine
It affects dosing of fibrates
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Why would you test uric acid?
Niacin may increase uric acid levels and gout
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RISK FACTORS:
(There are five)
- 1) Age (Men > or equal to 45, Women > or equal to 55)
- 2) Smoking
- 3) HDL (<40mg/dl). Subtract one RF if HDL is > or equal to 60.
- 4) HTN or treatment (> or equal to 140/90)
- 5) Family hx of CHD in first degree relative. MI or sudden cardiac death
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CHD
- 1) MI
- 2) Angina (stable or unstable)
- 3) Angioplasty
- 4) CABG
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CHD Risk Equivalent
- 1) DM
- 2) PAD
- 3) AAA
- 4) Symptomatic carotid disease (e.g TIA)
- 5) > or equal to 2 RF and a 10year risk for CAD that is >20%
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What is categorized as HIGH RISK?
What is the LDL goal?
When do you start TLC?
When do you start drug rx?
- 1) CHD, CHD risk equivalent, > or equal to 2 RF and a 10 year risk >20%
- 2) < 100, but optimal < 70
- 3) > or equal to 100
- 4) > or equal to 100
Start rx and TLC at same time
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What is categorized as MODERATE HIGH RISK?
What is the LDL goal?
When do you start TLC?
When do you start rx?
- 1) > or equal to RF and a 10yr risk 10-20%
- 2) < 130, but optimal <100
- 3) > or equal to 130
- 4) > or equal to 130. Consider if 100-129.
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What is categorized as MODERATE RISK?
What is the LDL goal?
When do you start TLC?
When do you start rx?
- 1) > or equal to 2RF and a 10 year risk of <10%
- 2) <130
- 3) > or equal to 130
- 4) > or equal to 160
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What is categorized as LOW RISK?
What is the LDL goal?
When do you start TLC?
When do you start rx?
- 1) 0-1 RF and a 10 year risk of <10%
- 2) <160
- 3) > or equal to 160
- 4) > or equal to 190. Consider if 160-189
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When should you consider optimal LDL goals?
- 1) Multiple RF, esp DM
- 2) Severe, or poor controlled RF, esp smoking
- 3) ACS
- 4) Metabolic syndrome
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Criteria for Metabolic Syndrome
- 1) Waist (Men >40 and women >35)
- 2) TG > or equal to 150
- 3) HDL (Men <40 and women <50)
- 4) BP > or equal to 130/85
- 5) FBS > or equal to 100
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Recommended cholesterol intake and its sources
- <200mg/day.
- Animal products
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Recommended saturated fat intake and its sources
- <7% of total calories
- Coconut, palm, animal fat
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Recommended polyunsaturated intake and sources
- <10% of total calories
- corn, sunflower, cottonseed oil
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Recommended monounsaturated fat intake and sources
- <20% of total calories
- Olive, Canola, Peanut oil, Avocados
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Recommended total fat intake
25%-35% of total calories
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Recommended protein intake and sources
- 15% of total calories
- Lean fat meats
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Recommended fiber intake and sources
- 20-30g/day
- Grains, legumes, fruits, veggies
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Recommended carbs intake and sources
- 50-60% of total calories
- Whole grains, pasta, brown rice, oatmeal, beans, peas
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Non- dietary TLC
- Wight management
- Exercise
- Stop smoking
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Primary focus is to achieve LDL goal unless...
- TG is > or equal to 500. At risk for pancreatitis
- Begin Niacin or Fibrate
- When TG down, goal is to achieve LDL
- Begin -statin
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Cannot calculate LDL when TG is greater than
400
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Dietary ways to decrease TG
Limited added sugar, fructose, trans fat, ETOH
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If TG is still elevated (200-499) after LDL goal is achieved, then set non HDL (eg VLDL) goal 30mg/dl higher. EX: LDL goal <100, then non HDL goal <130
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What is your drug of choice when you want to lower your LDL <20%
Statin, niacin, or BAR
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What is your drug of choice when you want to reduce your LDL by > 20%
Statin
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Statins effects on lipids
Primary: Decrease LDL and increase HDL
Also: Decreases TG
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Niacin effect on lipids
Primary: Decrease TG
Also: Decrease LDL and Increase HDL
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BAR effect on lipids
CAUTION: Increase TG
Also: Decrease LDL and increase HDL
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Fibrate effect on lipids
Primary: Decrease TG
Also: Increase HDL
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Ezetimibe effect on lipids
Decrease LDL
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Omega 3 effect on lipids
Primary: Decrease TG 25-30%
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Omega 3 recommendations
- 1) With CAD: 1g daily
- 2) Without CAD: 2 servings oily fish a week
- 3) With TG> or equal to 500: 2-4gms/day
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Action and peak of statin
Inhibits enzyme of cholesterol synthesis, which causes an increase clearance of LDL
Peak at MN so take at night
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Contraindications to statins
Active hepatic disease (increased LFTs), heavy ETOH use, breast feeding, pregnancy
Temp d/c with conditions predisposing to rhabdo
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SE of statins
- 1) GI complaints, sleep problems (nightmares), HA
- 2) Increase AST/ALT by 3x (nml AST: 10-30 ALT: 11-45)
- 3) Myalgia
- 4) Myopathy. CK may be > 10x nml (nml: 38-174) STOP if 350-400
- 5) Rhabdo
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When to d/c statins
- 1) >2-3x AST and ALT
- 2) > 2-3x CK. Generally >400
- 3) Unexplained muscle pain/tenderness, weakness, lethargy, fever, decreased urination, dark urine, sever NV, abd pain
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When and what to monitor for statins
AST/ALT, Lipids, CPK esp if in combo therapy
- Baseline and 3 months after starting or changing dose
- Every 6 months for first year
- Annually when stable for a year
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Niacin action
Lowers hepatic VLDL secretion and lowers HDL clearance. Increased hepatic glucose output and may worsen insulin resistance
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Niacin contraindications
- Active PUD or active liver disease
- Relative contraindications: DM and gout
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Niacin SE
Flushing, tingling, itching, rash, gastritis, hyperglycemia, hyperuricemia, hepatotoxicity, aggravation of peptic ulcers
Rare: myopathy. worsens with combined with statin or fibric acid
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Niacin monitoring. What and when?
AST/ALT, lipid, CPK esp in combo therapy
- Baseline and every 3 months after starting or changing. Also check glucose and uric acid at baseline
- Every 6 months for first year
- Annually after stable for one year
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Bile Acid Sequestrans (BARS) action
Anion exchange resin that binds to bile acids in the gut and inhibits cholesterol absorption.
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Niaspan SA dosing
- 500mg qHS for one month
- then 1000mg qHS for one month with food
- titrate every month by 500mg. Max is 2000mg/day
- once daily dosing
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Cholestyrimine and Colestipol Rx 1gm
- Wk 1: 4 tabs po daily before PM mean
- Wk 2: 4 tabs po BID before meals
- Wk 3: 8 tabs po BID before meals
- WK 4: 12 tabs po BID before meals
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Monitoring for BARS
- Lipid panel 6-8 weeks after starting or adjustment.
- No need to check LFT
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Fibric Acid Derivatives action
complex procress that results in TG lowering and HDL synthesis
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Fibrates meds and dosing
- 1) Tricor 48-145mg daily with meals
- 3) Lopid 600mg po bid before meals
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Fibrates contraindications
Severe renal, hepatic and gall bladder disease
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Fibrates SE
Flatulence, gallstones (abd discomfort, pain, bloating, belching, food intolerance), increase LFTs, myoptahy
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When to dc fibrates
- AST/ALT > 3x nml
- CK >2-3x nml
- persistent LDL elevation
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When and what to monitor fibrates
- baseline and 3 months after starting and changing
- every 6 months for first year
- annually after stable for one year
- if used in combo with statin, check LFT and CK every 6 months
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