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We investigated chest wall blood flow in a canine model to determine if the technique used to harvest the mammary artery has a differential effect on residual chest wall blood flow. Eight dogs underwent bilateral internal mammary artery mobilization; one artery was harvested as a pedicle and the other was harvested as a skeletonized vessel. Residual blood flow to the chest wall distribution of each artery was measured with radioactive microspheres. Chest wall blood flow was significantly decreased from preharvest levels after internal mammary artery mobilization regardless of the technique used. Tissue blood flows decreased to 46.9%, 22.1%, and 41.2% of baseline values for the manubrium (p < 0.01), sternum (p < 0.001), and ribs (p < 0.05), respectively. Residual sternal blood flow on the side of the skeletonized vessel was significantly greater than on the side of the pedicle graft (2.60 +/- 0.68 versus 1.27 +/- 0.27 cm3/min/100 gm, p < 0.001). We conclude that minimization of tissue mobilization during internal mammary artery harvesting may reduce sternal devascularization. This finding may have clinical significance with respect to lowering the incidence of sternal wound complications in coronary bypass surgery using the internal mammary artery as a bypass conduit.
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E A Grossi, and
R Esposito, and
A C Galloway, and
S B Colvin, and
F C Spencer
October 1990,
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M A Parish, and
T Asai, and
E A Grossi, and
R Esposito, and
A C Galloway, and
S B Colvin, and
F C Spencer
December 2004,
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M A Parish, and
T Asai, and
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R Esposito, and
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S B Colvin, and
F C Spencer
January 1988,
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M A Parish, and
T Asai, and
E A Grossi, and
R Esposito, and
A C Galloway, and
S B Colvin, and
F C Spencer
March 2015,
Asian cardiovascular & thoracic annals,
M A Parish, and
T Asai, and
E A Grossi, and
R Esposito, and
A C Galloway, and
S B Colvin, and
F C Spencer
October 1997,
The Annals of thoracic surgery,
M A Parish, and
T Asai, and
E A Grossi, and
R Esposito, and
A C Galloway, and
S B Colvin, and
F C Spencer
January 1994,
European journal of cardio-thoracic surgery : official journal of the European Association for Cardio-thoracic Surgery,
M A Parish, and
T Asai, and
E A Grossi, and
R Esposito, and
A C Galloway, and
S B Colvin, and
F C Spencer
April 1994,
Cardiovascular surgery (London, England),
M A Parish, and
T Asai, and
E A Grossi, and
R Esposito, and
A C Galloway, and
S B Colvin, and
F C Spencer
October 1990,
Chest,
M A Parish, and
T Asai, and
E A Grossi, and
R Esposito, and
A C Galloway, and
S B Colvin, and
F C Spencer
February 1993,
The Thoracic and cardiovascular surgeon,
M A Parish, and
T Asai, and
E A Grossi, and
R Esposito, and
A C Galloway, and
S B Colvin, and
F C Spencer
March 1993,
The Journal of thoracic and cardiovascular surgery,
