TY  - CHAP
M1  - Book, Section
TI  - Portal Hypertension
A1  - Hanto, Douglas W.
A1  - Geevarghese, Sunil K.
A1  - Baron, Christopher
A2  - Zinner, Michael J.
A2  - Ashley, Stanley W.
A2  - Hines, O. Joe
Y1  - 2019
N1  - 
T2  - Maingot's Abdominal Operations, 13e
AB  - Portal  hypertension  (PHTN)  can  occur  in  cirrhotic  and  noncirrhotic  patients  and  can  be  classified  as  presinusoidal  or  prehepatic  (extrahepatic  or  intrahepatic),  sinusoidal  or  hepatic,  or  post-sinusoidal  or  post-hepatic  (Fig.  61-1).  Portal  pressure  can  be  measured  directly,  or  more  commonly  indirectly,  by  calculating  the  hepatic  vein  pressure  gradient  (HVPG)  by  subtracting  the  measured  free  hepatic  vein  pressure  (FHVP)  from  the  wedged  hepatic  vein  pressure  (WHVP).  Portal  pressure  is  normally  <6  mm  Hg  and  clinically  significant  PHTN  is  defined  as  an  HVPG  greater  than  10  to  12  mm  Hg  (Table  61-1).  
SN  - 
PB  - McGraw-Hill Education
CY  - New York, NY
Y2  - 2024/04/20
UR  - accesssurgery.mhmedical.com/content.aspx?aid=1160044642
ER  -