Use of doppler ultrasound to predict need for transjugular intrahepatic portosystemic shunt revision

Table 1 Characteristics of the cohort

Characteristics	Mean (SD)	Median (IQR)
Age (n = 89)	56.5 (9.8)	59 (51-62)
% male	64
% White/Black/other	76/18/3
Etiology of Liver disease %
EtOH	31
HCV	16
NASH	20
Other	30
Indication for TIPS %
VB	41
Refractory ascites	51
other	8
MELD at initial TIPS	16.6 (6.1)
PSG before TIPS mmHg	15.5 (4.5)	15 (12.5-18)
PSG after TIPS mmHg	6.17 (2.54)	6 (4-8)
TIPS dilation mm	8.41 (0.91)
TIPS revision (d)	514 (670)	311 (54-661)
Indication for revision (% doppler)	74
MELD at revision	17.3 (6.8)
Doppler abnormal %	82
High vel/low vel/clinical %	36/31/30
Doppler flow at revision Doppler prox cm/s	122 (58)	127 (77-169)
Doppler flow at revision doppler mid	135 (73)	140 (77-185)
Doppler flow at revision Doppler distal	141 (103)	122 (57-205)
TIPS occluded %	10
Doppler flow pre-TIPS baseline prox cm/s	125 (43)	122 (100-146)
Doppler flow pre-TIPs baseline mid	133 (42)	140 (109-161)
Doppler flow pre-TIPS baseline distal	128 (52)	128 (89-155)
Change prox	45 (36)	36 (12-80)
% change prox	-0.01 (.47)	-0.03 (-0.253-0.312)
Change mid	55 (50)	45.5 (16.9-74.2)
% change mid	0.11 (0.66)	1 (-20-33)
Change distal	69 (76)	48.7 (20-92)
% change distal	0.1 (0.89)	-12% (-45-38)
PSG pre TIPS revision mmHg	14 (12)	12 (9-15)
PSG after TIPS revision mmHg	8.32 (3.7)	8 (6-10)
Outcome (Alive/LT/Dead) %	49/13/37
TIPS stenosis (Y) %	43%
TIPS revised	44%

SD: Standard deviation; IQR: Interquartile range; HCV: Hepatitis C virus; NASH: Non-alcoholic steatohepatitis; TIPS: Transjugular intrahepatic portosystemic shunt; VB: Variceal bleeding; MELD: Model for End-Stage Liver Disease; PSG: Porto-systemic gradient.