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minimaze procedure
The mini-maze procedures are cardiac surgery procedures intended to cure atrial fibrillation (AF), a common disturbance of heart rhythm. They are procedures derived from the original maze procedure developed by James Cox, MD.
==The origin of the mini-maze procedures: The Cox maze procedure==
(詳細はJames Cox, MD, and associates developed the "maze" or "Cox maze" procedure, an "open-heart" cardiac surgery procedure intended to eliminate atrial fibrillation, and performed the first one in 1987. “Maze” refers to the series of incisions arranged in a maze-like pattern in the atria. The intention was to eliminate AF by using incisional scars to block abnormal electrical circuits (atrial macroreentry) that AF requires. This required an extensive series of endocardial (from the inside of the heart) incisions through both atria, a median sternotomy (vertical incision through the breastbone) and cardiopulmonary bypass (heart-lung machine; extracorporeal circulation). A series of improvements were made, culminating in 1992 in the Cox maze III procedure, which is now considered to be the "gold standard” for effective surgical cure of AF. It was quite successful in eliminating AF, but had drawbacks as well. The Cox maze III is sometimes referred to as the “Traditional maze”, the “cut and sew maze”, or simply the "maze".
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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