Jing CHEN, Tianli XIAO, Qinglin LONG, et al. Effect of transjugular intrahepatic portosystemic shunt placement in different branches of portal vein on plasma ammonia level in cirrhotic patients[J]. Journal of Third Military Medical University, 2018, 40(7): 610-613.
DOI:
Jing CHEN, Tianli XIAO, Qinglin LONG, et al. Effect of transjugular intrahepatic portosystemic shunt placement in different branches of portal vein on plasma ammonia level in cirrhotic patients[J]. Journal of Third Military Medical University, 2018, 40(7): 610-613. DOI: 10.16016/j.1000-5404.201711046.
Effect of transjugular intrahepatic portosystemic shunt placement in different branches of portal vein on plasma ammonia level in cirrhotic patients
To observe the ammonia level of different branches of the portal vein (PV) in cirrhotic patients after transjugular intrahepatic portosystemic shunt (TIPSS) placement and determine the effect of TIPSS placement in different branches on ammonia level.
Methods
2
A retrospective study was carried out on 52 cirrhotic patients who received TIPSS placement for hemorrhage in digestive tract in our institute from January to December 2016. Their clinical data were collected
and assigned into the group of left branch of PV and the group of right branch according to the branch of PV in which the TIPSS was placed. Blood samples were collected from different branches of the PV
the splenic vein and the superior mesenteric vein (SMV)
and blood ammonia concentrations were measured during the TIPSS procedure. The arterial and venous ammonia levels were also measured before and in 1 d and 1
3 and 6 months after TIPSS placement. The results were compared between the 2 groups.
Results
2
Ammonia concentrations were found at the highest level in the PV system
with that in the left branch significantly lower than that in the right (
P
<
0.05). After TIPSS placement
the arterial ammonia concentration was increased obviously
and the levels at 1 d (57.1±12.7
vs
47.1±9.9 μmol/L) and 1 month (51.4±11.8
vs
43.6±9.2 μmol/L) were significant higher in the group of right branch of PV than the group of left branch (
P
<
0.05)
but no such differences were found in the venous blood (
P
>
0.05).
Conclusion
2
TIPSS procedure obviously results in elevated arterial ammonia concentration
and the procedure in the left branch of the PV exerts less effect on the level than it in the right branch.
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