Background: Use of coupling devices in microvascular anastomosis continues to increase, but it is not yet actively used in end-to-side (ETS) anastomosis because there is no standard method. Therefore, we propose an easy and time-saving ETS micro-anastomosis method using coupling devices in head and neck reconstruction and compare it with the conventional suture method.
Materials and methods: We retrospectively reviewed 30 consecutive cases (43 anastomoses) of ETS anastomosis in head and neck reconstruction from 2018 to 2022. Patient characteristics, operative details, and anastomosis time were evaluated. When using the coupling device, a cross incision was created in the recipient vessel to form vascular flaps. By pulling the flaps out of the ring, the intact vessel lining was fixed. Other procedures were the same as for a traditional anastomosis.
Results: The mean anastomosis time was 12.81 min (range, 6.7-24.87) for the suture and 4.96 min (range, 2.02-9.4) for the coupling device, a statistically significant difference (p-value <.00005). There was no venous insufficiency or flap failure with either method.
Conclusions: ETS venous anastomosis using the coupling device is an easy-to-use, safe, and timesaving procedure for head and neck reconstruction.
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