acc young scholars show and tell webinar coronary artery .../media/non-clinical/files... ·...
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Coronary Artery Bypass Grafting (CABG)
Ashish Correa, MDCardiovascular Diseases FellowMount Sinai HeartMount Sinai Morningside/Mount Sinai WestIcahn School of Medicine at Mount SinaiNew York, NY
ACC Young Scholars Show and Tell Webinar
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Our Patient• 63 year old woman.
• Frequent episodes of severe “squeezing” pain in her chest.
• On walking short distances or climbing more than half a flight of stairs.
• Recently getting episodes of pain while sitting down or lying in bed.
• Medical history of … Hypertension (high blood pressure) Hyperlipidemia (elevated levels of cholesterol and
fat in the blood stream) Diabetes mellitus (high blood sugar)
• Never smoked, and eats healthy.
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Medical Work-up• Electrocardiogram (EKG) is unremarkable.
• Blood sugar and cholesterol not very well controlled. Blood pressure is higher than it should be.
• Sent to an imaging specialist.
• Echocardiogram shows that her ejection fraction is low (pump function of the heart is reduced).
• CT (computed tomography) of her heart vessels (coronary arteries) shows extensive blockages.
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Coronary Arteries
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Looking at the Coronary Arteries
Achenbach et al. Heart, 2010
CT Coronary Angiography Invasive Coronary Angiography
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What to do next?
Medical management
Percutaneous coronary interventions (with stents)
Bypass surgery
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The Heart Team
HEARTTEAM
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What is Bypass Surgery?• Coronary Artery Bypass Grafting (CABG), Bypass Surgery, “Open Heart” Surgery
• This is a surgical procedure, whereby the surgeon uses segments of blood vessels from other parts of the body (called grafts) to divert blood flow (or bypass) from the aorta to below the blockage.
• The graft can be a vessel arising from the aorta, that normally supplies the chest wall, that gets re-routed to a blocked coronary (internal mammillary artery graft).
• Alternatively, it can be a vein harvested from the leg (vein graft), with one end connected to the aorta and the other end attached below the blockage. University of California - San Francisco, Department of Cardiothoracic Surgery
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Taggart et al. Annals of Cardiothoracic Surgery, 2018.
Continuum Health Partners
Internal Mammary Artery Grafts
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Alexander & Smith. N Engl J Med, 2016.
Saphenous Vein Grafts
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Blitz et al. Annals of Cardiothoracic Surgery, 2013.
Radial ArteryGrafts
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The surgery: extracorporeal bypass, the heart-lung machine and cardioplegia
Thoracickey.com
Premierheartcarett.com
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The surgery: deploying the grafts
Cleveland Clinic Foundation
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Cleveland Clinic FoundationMayo Clinic
Minimally-invasive Robotic-assisted
Off-pump
The surgery: advances
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Life after surgery
• In the first few days after surgery, our patient felt worse.
• But then she felt better, was discharged from the hospital and in 2 months, she had fully recovered.
• She took her heart medications consistently.
• She inducted herself in cardiac rehabilitation.
• She exercised regularly, dieted and lost weight.
• She no longer had chest pain, and felt that her energy levels had increased.
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