Medical Management of Coronary Artery Disease · z Patient AA He is 75 yo. BMI 25, BP 110/70....
Transcript of Medical Management of Coronary Artery Disease · z Patient AA He is 75 yo. BMI 25, BP 110/70....
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Medical Management of Coronary Artery
DiseaseJoe Chavez, M.D.
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Disclosures
I have no disclosures or conflicts to report
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What does CAD look like?
Acute events: STEMI, Unstable Angina
PCI, Stents, Hospitalization
Dual antiplatelet therapy
IABP, Impella
CABG
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What does CAD look like?
Chronic
Symptoms: angina, dyspnea, fatigue
Triggers: exertion, eating
Enablers: BP, lung disease, anemia, catecholamines
Confounders: obesity, sedentary lifestyle
Timing: exertional, non-exertional; frequency
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Approach to Therapy
What are we treating?
-Myocardial oxygen supply and demand
factors: BP, HR, weight, activity
Has anything changed?
-Home, work, travel
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Medical Therapy
Beta Blockers
Metoprolol, Carvedilol, Atenolol, Propranolol
Adjust based on BP, HR, LVEF
Other medical needs: migraine, tremor, kidney disease
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Medical Therapy
ACEI and ARB
No incremental benefit of ARB over ACEI
Tailoring: kidney disease
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Medical Therapy
Antiplatelet therapy: Aspirin 81mg; no benefit to chronic dose of
325mg; Patients on Ticagrelor
Statin therapy High Potency – Atorvastatin, Rosuvastatin
PCSK9 inhibitors: statin intolerant or non-responsive
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Medical Therapy
Nitrates: only for symptoms; may be useful in some patients, prior
to established trigger for angina
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CCB
No evidence of benefit, except for symptoms and as add-on.
Contraindicated in CHF, reduced LVEF (Diltiazem, Verapamil)
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Patient AA
He is 75 yo. BMI 25, BP 110/70. Atorvastatin 80mg, Nebivolol
2.5mg, Lisinopril 2.5mg, Aspirin 81mg. LDL 75.
He reports angina at a half mile walk. Walks daily, about 2-3
miles. He had 3 vessel CABG 10 years ago; LIMA was not
suitable for grafting. Subsequent cardiac cath, for symptoms,
showed diffuse graft disease and native disease. No targets for
revascularization.
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Patient AA continued
What next:
-Lower LDL
-Increase beta blockade
-Nitrates
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Patient TS
65 yo woman. CAD: previous PCI/stent to LAD. LVEF 60%. DM,
HTN, HLD, Sedentary, BMI 38, BP 130/80
Recurrent chest pain on minimal exertion and sometimes after
meals. Better with nitrates.
Multiple ED visits and admits.
Negative stress tests.
Cardiac catheterization – no obstruction
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70 yo man with recurrent exertional chest pain, HTN, HLD
Echo: LVEF 45%
Beta blocker, ACEI, Aspirin
Despite maximum tolerated medications continued to have frequent
angina
Cardiac catheterization: proximal 3 vessel CAD
Patient BT
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Patient BT continued
CABG recommended. Patient declined.
Later developed atrial fibrillation. Medications modified.
Lived > 5 years post cardiac catheterization.
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Stress testing
Exercise is better than pharmacologic if possible
Patients with LBBB or pacing: no treadmill if looking for
ischemia.
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Conclusions:
Medical therapy: beta blockers, ACEI/ARB, Antiplatelet agents,
anti-lipidemic therapy
Nitrates for symptoms
Treat co-disease states: DM, obesity, sedentary status
CAD is a chronic process
A cardiac catheterization is not for everyone
Many patients will do well on OMT alone (ISCHEMIA trial)