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A Simple Method of Triggering Balloon Counterpulsation Accurately During Off-Pump Coronary Artery Bypass Surgery  Takayuki Ono, MD, Teiji Asakura, MD,

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Presentation on theme: "A Simple Method of Triggering Balloon Counterpulsation Accurately During Off-Pump Coronary Artery Bypass Surgery  Takayuki Ono, MD, Teiji Asakura, MD,"— Presentation transcript:

1 A Simple Method of Triggering Balloon Counterpulsation Accurately During Off-Pump Coronary Artery Bypass Surgery  Takayuki Ono, MD, Teiji Asakura, MD, Takeki Ohashi, MD, Nagara Ono, MD  The Annals of Thoracic Surgery  Volume 79, Issue 2, Pages (February 2005) DOI: /j.athoracsur

2 Fig 1 During mobilization of the heart, an epicardial pacemaker wire placed to the left ventricle is connected to the V5 electrocardiogram electrode (A). This simple method provides an accurate and continuous detection of R waves (arrows) thorough the off-pump coronary artery bypass surgery grafting procedure (B). The Annals of Thoracic Surgery  , DOI: ( /j.athoracsur )

3 Fig 2 During mobilization and stabilization of the heart, the potentials and configuration of the P and R waves are continuously changing. Note that the potentials of the P wave (arrows) are often higher than those of R wave, in which case intraaortic balloon counterpulsation is mistakenly triggered by the P wave. The Annals of Thoracic Surgery  , DOI: ( /j.athoracsur )

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