Laser doppler flowmetry estimating myocardial perfusion after internal mammary artery grafting

Henrik C. v. Ahn Department of Thoracic and Cardiovascular Surgery, University Hospital, Uppsala, Sweden; Department of Biomedical Engineering, Linköping University, Linköping, Sweden

Rolf Ekroth Department of Thoracic and Cardiovascular Surgery, University Hospital, Uppsala, Sweden; Department of Biomedical Engineering, Linköping University, Linköping, Sweden

Gert E. Nilsson Department of Thoracic and Cardiovascular Surgery, University Hospital, Uppsala, Sweden; Department of Biomedical Engineering, Linköping University, Linköping, Sweden

Rolf Svedjeholm Department of Thoracic and Cardiovascular Surgery, University Hospital, Uppsala, Sweden; Department of Biomedical Engineering, Linköping University, Linköping, Sweden

Stefan Theln Department of Thoracic and Cardiovascular Surgery, University Hospital, Uppsala, Sweden; Department of Biomedical Engineering, Linköping University, Linköping, Sweden

Abstract

Myocardial perfusion in the anteroapical part of the left ventricle was monitored intraoperatively with laser Doppler flowmetry in ten patients after grafting of the internal mammary artery to the left anterior descending artery. The myocardial perfusion after declamping of only the mammary artery averaged 61% of the perfusion found after declamping also the aorta. Laser Doppler flowmetry is proposed to offer a means of monitoring regional myocardial perfusion in the phase immediately after internal mammary artery grafting.

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Laser doppler flowmetry estimating myocardial perfusion after internal mammary artery grafting

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Laser doppler flowmetry estimating myocardial perfusion after internal mammary artery grafting

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