New VALDIG study “Surgery in patients with EHPVO”

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      Laure Elkrief

      Dear colleague,

      I am happy to invite you to participate to our new VALDIG study, entitled « surgery in patients with extra-hepatic portal vein obstruction ».

      Briefly, this is the synopsis of the study:

      Type of study
      Multicenter retrospective cas-control study

      Coordinator: Laure Elkrief (

      Evaluate the morbidity and mortality after surgery in patients with EHPVO (extrahepatic portal vein obstruction)
      Study period
      Inclusion criteria

      Patients with EHPVO who had one of the following interventions:
      – Abdominal surgery (including abdominal wall surgery)
      – urologic surgery (except testicle surgery and endoscopic surgery)
      – vascular surgery (except endovascular route)
      – gynecologic and obstetrical surgery (including cesarean delivery) (except endovaginal surgery)

      EHPVO should be diagnosed prior to, or at the time of abdominal surgery.
      Exclusion criteria
      – EHPVO complicating cirrhosis
      – EHPVO complicating portosinusoidal vascular liver disease
      – Isolated splenic and/or mesenteric vein thrombosis without involvement of the main portal vein
      – Budd-Chiari / hepatic venous outflow obstruction
      – Vascular invasion by a tumor
      – Severe comorbidity with estimated life expectancy <6 months

      Controls (2:1)
      Each patient with EHPVO will be matched to 2 control patients according to
      – surgical intervention
      – center (+/- 2 years before/after the case).
      – age (+/- 10 years)
      – ASA class

      Data collection
      Dedicated paper CRF (one per patient)

      Don’t hesitate to contact me if you have identified any patients and/or if you need any further details.
      I thank you in advance for your collaboration.
      You will receive soon the full project as well as the CRF template.

      Best regards
      Laure Elkrief

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