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Microsurgical arterial anastomosis in young and adult rats: an evolutive and comparative study

Overview of attention for article published in Acta Cirúrgica Brasileira, January 2022
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Title
Microsurgical arterial anastomosis in young and adult rats: an evolutive and comparative study
Published in
Acta Cirúrgica Brasileira, January 2022
DOI 10.1590/acb370604
Pubmed ID
Authors

Maria Mercês Santos, Ana Cristina Aoun Tannuri, Adriana Vasconcelos Lacerda, Josiane de Oliveira Gonçalves, Luiz Roberto Schlaich Ricardi, Uenis Tannuri

Abstract

To evaluate the caliber of an arterial micro-anastomosis in the young growing animal using a continuous suture technique. Additionally, late morphological changes and blood flows distal to the anastomosis were evaluated. Seventy-four Wistar rats were submitted to laparotomy to access the aorta for blood flow measurement. The aorta was sectioned using microsurgery technique and an end-to-end anastomosis with continuous suture. After a period of six months to one year, the anastomosis was checked. Regarding the size of the aortas, comparing the pre- and postoperative values, there was an increase of 13.33% in adult animals and 25% in young animals, without any difference in the blood flows. The arteries of young rats show signs of growth at the site of the anastomosis performed with continuous suture.

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