Abstract
BackgroundIntraoperative epicardial ultrasonography of coronary artery bypass graft anastomoses is a procedure used for anatomical quality assessment of peripheral anastomoses during coronary artery bypass grafting. However, it may be difficult to keep the ultrasound transducer in steady contact with the anastomoses on the beating heart without causing any deformation. Furthermore, we are not aware of any sterile ultrasound gel approved for application into the pericardial space.Case presentationWe report a method using a stabilizing connecting device for an ultrasound transducer to be used for visualization of coronary anastomoses without application of ultrasound gel during on-pump coronary bypass surgery.ConclusionUse of a stabilizing device and coagulated blood from the patient as an alternative for ultrasound gel facilitates peroperative ultrasonography of coronary anastomoses. The procedure provides surgeons with non-deformed echocardiographic longitudinal and transverse images of all parts of the anastomoses.Trial registrationThe patient participated in a still ongoing clinical feasibility study: Trial registration: ClinicalTrials.gov ID: NCT02919124; Registered September 29, 2016.
Highlights
Intraoperative epicardial ultrasonography of coronary artery bypass graft anastomoses is a procedure used for anatomical quality assessment of peripheral anastomoses during coronary artery bypass grafting
Use of high-frequency intraoperative epicardial ultrasonography of coronary anastomoses has been shown to be complementary to Transit-time flow measurement (TTFM) improving the diagnostic
The objective of this case report is to describe a method for ultrasound imaging of coronary artery anastomoses during on-pump coronary artery bypass grafting (CABG) using the patient’s coagulated blood instead of ultrasound gel together with a stabilizing device
Summary
Use of a stabilizing device and coagulated blood from the patient as an alternative for ultrasound gel facilitates peroperative ultrasonography of coronary anastomoses. The procedure provides surgeons with nondeformed echocardiographic longitudinal and transverse images of all parts of the anastomoses. Trial registration: The patient participated in a still ongoing clinical feasibility study: Trial registration: ClinicalTrials. Gov ID: NCT02919124; Registered September 29, 2016
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