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10 November 2016 Minimally invasive catheterization of portal and mesenteric veins and abdominal aorta for quantitative determination of portal-drained viscera metabolism in pigs
H. Zhang, Y. Wang, J.J. Tong, T. Liu, J.T. Zhang, H.B. Wang
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Abstract

A laparoscopic catheterization of portal and ileal veins as well as abdominal aorta was performed in eight pigs under general anesthesia for quantitative determination of portal-drained viscera metabolism. Three polyurethane catheters were introduced into the target vessels through an abdominal wall cannula using the guide catheter and wire. Surgery duration, length of incisions, and postoperative outcomes were recorded. On days 7 and 30, portal vein blood flow rates were measured by paraaminohippuric acid method. On day 35, a second laparoscopy was performed to monitor the setup of intraabdominal catheters. The laparoscopic procedures were completed with a mean operative time of 82 ± 9 min, and mean total incision size was 4.5 ± 0.5 cm. No major intraoperative or postoperative complications were encountered. The second laparoscopy showed that position and fixation of catheters remain stable 35 d after the surgical preparation. Portal vein blood flow remained similar (P > 0.05) from 7 to 30 d after the laparoscopic surgical procedure. Retention of catheters in six pigs was more than 60 d, and the other two were 42 and 56 d. We conclude that this novel technique is an attractive alternative to traditional surgical catheterization procedures.

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H. Zhang, Y. Wang, J.J. Tong, T. Liu, J.T. Zhang, and H.B. Wang "Minimally invasive catheterization of portal and mesenteric veins and abdominal aorta for quantitative determination of portal-drained viscera metabolism in pigs," Canadian Journal of Animal Science 97(2), 223-230, (10 November 2016). https://doi.org/10.1139/cjas-2016-0051
Received: 23 March 2016; Accepted: 1 October 2016; Published: 10 November 2016
JOURNAL ARTICLE
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KEYWORDS
cathétérisme endo-vasculaire multiple
laparoscopie
laparoscopy
multiple endovascular catheterization
pig
porc
technique
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