Table 1. Preoperative TIPS for extrahepatic abdominal surgery in portal hypertensive patients.

Study	Abdominal surgery type	No. of patients	Child–Pugh score	Time from TIPS to surgery	HVPG (mm Hg)	Procedure-related complications and negative outcomes	Deaths from operative mortality
Azoulay et al (2001)	Tumor resection, AAA repair, Hartman's reversal	7	Child A–C	1–5 mo	18 ± 5 to 9 ± 5 mm Hg	1 persistent post-op ascites; 1 liver failure	1
Gil et al (2004)	Tumor resection	3	Child A–B	14–45 d	20–28 to 6–7 mm Hg	1 post-op transfusion; 1 cardiac insufficiency; 1 encephalopathy	0
Grübel et al (2002)	Colectomy, nephrectomy	2	Child C	3–8 wk	17–26 to 8–14 mm Hg	None	0
Schlenker et al (2009)	Abdominal and pelvic resections	7	Child A–B	1–32 d	9–22 to 3–10 mm Hg	1 new ascites; 2 encephalopathy; 1 liver failure	1
Kim et al (2009)	AVR, colectomy, herniorrhaphy	6	Child A–C; Mean MELD 15	6–46 d	Unknown	1 renal failure; 3 encephalopathy	0
Menahem et al (2015)	Colorectal resection	8	Child A–C	1–9 wk	15.5 ± 2.9 to 7.5 ± 1.9 mm Hg	1 bacterial peritonitis; 1 encephalopathy; 3 ascites; 1 hemorrhage; 3 liver failure	2

Abbreviations: AAA, abdominal aortic aneurysm; AVR, aortic valve replacement.