A stitch in time saves nine: closing the hole after removal of the aortic root cannula
2009
Background
On completion of the surgical procedure the hole in the ascending aorta has to be closed after withdrawal of the aortic root cannula. The aorta is usually pinched by a double transversal stitch or it is crumpled by a purse string suture. Nevertheless, hemostasis is difficult to obtain because closure is done under recovered pressure. Additional stitches buttressed with teflon-felt pledgets are often required. Unfortunately, sensitivity to bacterial implantation and the proximity to the sternotomy line could make the foreign material of the pledgets responsible for chronic infections and fistulas.
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