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Ann Thorac Surg 2000;70:981-982
© 2000 The Society of Thoracic Surgeons

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Case report

Changes in graft flow pattern from the descending aorta due to intraaortic balloon pump

^a Department of Thoracic and Cardiovascular Surgery, Niigata University School of Medicine, Niigata, Japan
^b Department of Thoracic and Cardiovascular Surgery, Niigata Prefectural Shibata Hospital, Niigata, Japan

Address reprint requests to Dr Tsuchida, Department of Thoracic and Cardiovascular Surgery, Niigata University School of Medicine, Asahimaci-dori, Niigata, 951-0850, Japan
e-mail: kentsuchi{at}hotmail.com

During surgery for lung cancer in a patient who had undergone coronary artery bypass grafting through the descending aorta by left thoracotomy, we measured graft bypass blood flow from the descending aorta under intraaortic pump (IABP) assistance. Under IABP assistance, the diastolic waveform changed to a spiky pattern with a sharp drop in blood flow of approximately 16% compared to that without IABP assistance. We report changes in graft flow pattern during IABP assistance when the graft is placed from the descending aorta.

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