Related Experiment Video
Updated: Jul 15, 2026

12:27
Technique of Porcine Liver Procurement and Orthotopic Transplantation using an Active Porto-Caval Shunt
Published on: May 7, 2015
End-to-side portacaval shunt: a simplified technique
Fernando Sánchez-Patán1, Rubén Blanco, María Angeles Aller
1Surgery I Department, School of Medicine, Complutense University of Madrid, Madrid, Spain. maaller@med.ucm.es
Summary
A simplified end-to-side portacaval shunt technique in rats uses a looped microsuture and two-step venotomy. This method simplifies and speeds up the surgical procedure without increasing mortality rates.
Area of Science:
- Surgical techniques
- Vascular surgery
- Animal models
Background:
- Portacaval shunts are critical in managing portal hypertension.
- Existing techniques can be complex and time-consuming.
- Rat models are essential for surgical innovation.
Purpose of the Study:
- To describe a simplified end-to-side portacaval shunt technique in rats.
- To reduce the complexity and duration of the surgical procedure.
- To assess the safety and efficacy of the modified technique.
Main Methods:
- A novel microsuture with a looped end was employed.
- A two-step portal vein venotomy was performed.
- The technique facilitates bringing portal and caval veins together efficiently.
Main Results:
- The modified technique simplifies shunt creation.
- The procedure time is significantly reduced.
- No increase in operative mortality was observed.
Conclusions:
- This simplified end-to-side portacaval shunt is technically easier.
- The technique offers a faster and safer alternative for rat models.
- It holds potential for broader application in surgical research.

