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Table 2 Patency parameters of the parallel shunt

From: Parallel transjugular intrahepatic portosystemic shunt (TIPS) for TIPS dysfunction: technical and patency outcome

Parameter  
Mean duration of follow-up (months) 26.8 ± 8 (22-45)
Median duration of patency (months) 16 (19-9)
PS dysfunctions during follow-up (months) 8 (11.2%)
Number of re-interventions 10
Mean interval of PS to first dysfunction (months) 11.8 ± 7.8
12 months primary patency rate 32/37 (86.4%)
18 months primary patency rate 30/37 (77.7%)
Causes of PS dysfunctions in follow-up period
 Thrombosis (n) 5
 PS stenosis (n) 3