Simple Techniques to Manage the Patent Internal Mammary Artery in Redo Cardiac Surgery
Ahmed Ahmed1, Idris M. Ali1, Imtiaz S. Ali2 and Jacob Cookey2
1Division of Cardiovascular Surgery, QEII Health Sciences Center, 1796 Summer Street Halifax, Nova Scotia, B3H 3A7. 2Faculty of Medicine, Dalhousie University, 5859 University Ave, Halifax, Nova Scotia, B3H 4H7.
Abstract
The presence of a patent internal mammary artery (IMA) represents a well-known technical challenge in redo cardiac surgery. Dissection of the IMA and controlling its flow during cardioplegic delivery has thus been considered essential steps. This maneuver however, is associated with the risk of damaging the IMA. Herein, we report a technique, which involves no attempts to dissect, or clamp the IMA in 44 consecutive redo cardiac surgery procedures. The results demonstrate that this technique is simple, safe, and reduces the chance of IMA injury.
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