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Learn about secondary prevention strategies to reduce the risk of future cardiovascular events. This case study presents a 56-year-old male with risk factors such as hypertension, obesity, and high cholesterol, and discusses key interventions and lifestyle modifications.
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Not Again! Secondary Prevention of Future Cardiovascular Events J. Clay Hays, Jr., MD, FACC
56 yr old insurance man • Presents with chest tightness after playing golf. Trying to walk 18 holes • Hypertension on diuretics • Not diabetic • Unsure of lipids • Smoker • 82 year old mother with CHF, father died of stroke at 79 years old
56 year old man • Heart rate 100 beats/ min • BP 154/92 • 5’11’’; 230 lbs; BMI 32 • Soft right carotid bruit • Clear lungs • Regular rhythm with soft apical systolic murmur; soft s4
56 year old man • Obese • Can’t feel aorta, no bruits • 1+ pedal pulses • EKG sinus, nonspecific st-t wave changes • Trop 10 • What next?
Diagnostics • 80% circumflex lesion with mild disease elsewhere • Placed 3.0x 12mm Taxus drug eluting stent • EF 45% with inferior wall hypokinesis • 30% right carotid lesion by ultrasound • Tchol 205, HDL 27, Trig 425
ASCVD • Coronary Artery Disease • Peripheral Arterial Disease • Carotid Arterial Disease • Atherosclerotic Aortic Disease
Benefits of Aggressive Risk Factor Reduction • Improves survival • Reduces recurrent events • Reduces need for further intervention • Improves quality of life
Smoking Goal Complete Cessation No exposure to environmental tobacco smoke
Recommendations • Ask about tobacco use at every visit. I(B) • Advise user to quit. I(B) • Assist with counseling and a plan. I(B) • Arrange for followup, referral, or pharmacotherapy. I(B) • Avoid exposure at home or work. I(B)
Blood Pressure Control Goal <140/90 Or <130/80 if diabetic or chronic kidney disease
For all patients Weight control Increased activity Alcohol moderation Sodium reduction Increased fruit intake Increased veggies Low fat dairy Recommendations
Recommendations For hypertensive patients • Initially treat with B blockers and/or ACEI • Add other drugs such as thiazides prn to achieve goal
Lipid Management Goal LDL-C < 100 If Triglycerides are >200, non-HDL-C should be < 130 (Total cholesterol – HDL)
For all patients • Start diet therapy I(B) • Reduce saturate fat (<7% of total calories) • Reduce trans-fatty acids • Reduce to total cholesterol <200 mg/dl • Add plant sterols (2g/d) and fiber (>10g/d) • Promote daily activity and weight reduction • Omega 3 (1g/d), more if trig are up. II(B)
For lipid management • Assess fasting lipids within 24 hrs for patients with acute events. • Initiate medication before discharge according to : • LDL should be <100 (IA) and <70 is reasonable (IIaA) • See attached table
Physical Activity Goal 30 minutes, 7 days per week (Minimum 5 days per week)
Physical Activity All patients • Assess risk with physical activity history and/or exercise test to guide prescription • 30 to 60 mins of moderate intensity I(B) • 2 days/ week of resistance training. IIb (C) • Medical supervision for high risk patients I(B)
Weight Management Goal BMI: 18.5 to 24.9kg/m2 Waist circumference: Men <40 inches, Women < 35 inches
Weight management • Assess BMI on each visit • Encourage diet and exercise I(B) • Consider treatment strategies for metabolic syndrome I(B) • Initial goal to reduce 10% from baseline weight I(B)
Diabetes Management Goal HbA1C <7%
Antiplatelet agents • Aspirin 75 to 162 mg/d in all patients I(A) • For CABG, start ASA within 48 hrs to reduce chance of graft closure. 162 to 325mg for up to one year • Clopidogrel 75 mg/d with ASA for up to 1 year after an acute event
Plavix and ASA after PCI • ASA 325 with Plavix 75 mg/day • 1 month with bare metal stents • 3 months with Cypher stents • 6 months with Taxus stents
Warfarin • INR 2.0-3.0 • Paroxysmal atrial fib • Chronic atrial fib or flutter • Post MI patient with LV thrombus
ACE Inhibitors • LV dysfunction <40% • Hypertension • Diabetes • Chronic Kidney disease • Optional for patients with normal LV function and good control of other risk factors
Angiotensin Receptor Blockers • Intolerant to ACEI and have CHF or MI with EF <40% • Intolerant to ACEI • Combined with ACEI in pts with systolic-dysfunction heart failure
Aldosterone Blockade • Post MI patients, without renal dysfunction or hyperkalemia, who are on ACEI and B blocker, have EF <40% and have diabetes or CHF. I(A)
Beta blockers • All patients with MI, Acute coronary syndrome, or LV dysfunction • Continue indefinitely • Consider in other forms of vascular disease
Influenza Vaccination • All patients with any form of ASCVD • Have you had yours?