|Minimally invasive direct coronary artery bypass surgery|
Minimally Invasive Direct Coronary Artery Bypass (MIDCAB) is a surgical treatment for coronary heart disease that is a less invasive method of coronary artery bypass surgery (CABG). MIDCAB gains surgical access to the heart with a smaller incision than other types of CABG. MIDCAB is sometimes referred to as "keyhole" heart surgery because the operation is analogous to operating through a keyhole.
MIDCAB is a form of off-pump coronary artery bypass surgery (OPCAB), performed "off-pump" - without the use of cardiopulmonary bypass (the heart-lung machine). MIDCAB differs from OPCAB in the type of incision used for the surgery; with traditional CABG and OPCAB a median sternotomy (dividing the breastbone) provides access to the heart; with MIDCAB, the surgeon enters the chest cavity through a mini-thoracotomy (a 2-to-3 inch incision between the ribs).
MIDCAB surgery is no more reserved for anteriorly placed single- or double-vessel diseases, because recently such lesions are usually managed with angioplasty. Hence this surgery has recently been used in multivessel diseases.
People with multi-vessel coronary disease, who desire a minimally invasive approach to surgery may be eligible for hybrid bypass. A hybrid approach combines coronary bypass (using the MIDCAB approach) and coronary stenting.
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