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DOI: 10.1055/s-0041-1729883
Reliability of Temporal Vascular Anastomosis and Techniques for Better Outcomes
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Abstract
Background Although there are several potential recipient vessels in the neck, those in the temporal region are limited. In skull base reconstruction, there are difficulties associated with the anastomosing recipient vessels in the neck region since long nutrient vessels are needed in the flap. We evaluated the reliability of temporal vascular anastomosis by comparing surgical outcomes between reconstructive methods and examined which surgical procedures may achieve better results.
Methods We examined the medical records of free tissue transfer cases between April 2007 and March 2018. Seventy-three surgeries were performed in the temporal region, including skull base reconstruction in 48, head and neck reconstruction (without skull base) in 16, and secondary surgery for head deformities in nine cases. In total, 445 neck surgeries were performed. Postoperative complications were retrospectively analyzed.
Results The postoperative complication rates were 8.2 and 2.7% for all temporal and neck surgeries, respectively. There were no arterial complications in the temporal region and all of the six postoperative anastomotic complications were due to venous thrombosis. In contrast, there were 12 cases of vascular anastomotic complications, with six cases each of arterial and venous thrombosis in the neck. In the temporal region, the complication rate was 2.1% for skull base reconstruction, 11% for secondary revision, and 25% in head and neck reconstruction. The corresponding values for middle temporal vein (MTV) usage rates were 54, 22, and 25%. In skull base reconstruction, a coronal incision was made in all cases. A more frequent use of the MTV was associated with a reduced complication rate.
Conclusion The low complication rate in the temporal region was attributed to the wide surgical field and low tension of anastomotic vessels. Multiple venous anastomoses, including those of the MTV, are recommended to prevent complications.
Keywords
microsurgical vascular anastomoses - postoperative complication rates - temporal region - middle temporal vein - skull base reconstructionNote
A part of this study was presented at the 10th Congress of the World Society for Reconstructive Microsurgery, WSRM 2019, 12 − 15 June 2019, Bologna, Italy.
Publication History
Received: 08 January 2021
Accepted: 28 March 2021
Article published online:
29 June 2021
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