title: Morbidity associated with intraportal islet transplantation.
abstract: BACKGROUND
  Complications associated with intraportal islet infusion have been reported. In this study, we analyzed the relationship between occurrence of complications and islet preparation characteristics/infusion technique.
  
  
  METHODS
  We reviewed all intraportal islet infusions from 1992 to 2003.
  
  
  RESULTS
  Sixteen islet autotransplantations were performed without infusion-related complications. The tissue volume injected was 13 +/- 11 mL with basal and peak portal pressures of 13 +/- 6 and 21 +/- 6 mm Hg. Seventy-seven intraportal islet allotransplantations were performed in 51 patients. Fifteen islet infusions were done by laparotomy during simultaneous islet/kidney transplantation without complication. Among 62 percutaneous transhepatic injections, nine complications (two portal branch thrombosis and seven intra-abdominal hemorrhages) were recorded. Rise in portal pressure was related to tissue volume injected (P <.05). Basal and peak portal pressures were 14 +/- 5 and 18 +/- 6 mm Hg in uncomplicated infusions, 14 +/- 9 and 18 +/- 9 mm Hg in the thrombosis group, and 13 +/- 7 and 18 +/- 5 mm Hg in the hemorrhage group (P >.05). Complications occurred only after percutaneous islet infusion (P <.03).
  
  
  CONCLUSIONS
  Procedure-related morbidity of intraportal islet infusion is low. Changes in portal pressure are related to volume of tissue injected but do not seem to be associated with the occurrence of complications. Percutaneous infusion is a minimally invasive procedure, but this advantage must be balanced by the higher rate of complications.
authors.affiliation: Department of Surgery, Cell Isolation and Transplantation Center, Geneva University Hospital, Geneva, Switzerland.
authors.forename: P
authors.initials: P
authors.lastname: Bucher
authors.forename: Z
authors.initials: Z
authors.lastname: Mathe
authors.forename: D
authors.initials: D
authors.lastname: Bosco
authors.forename: C
authors.initials: C
authors.lastname: Becker
authors.forename: L
authors.initials: L
authors.lastname: Kessler
authors.forename: M
authors.initials: M
authors.lastname: Greget
authors.forename: P Y
authors.initials: PY
authors.lastname: Benhamou
authors.forename: A
authors.initials: A
authors.lastname: Andres
authors.forename: J
authors.initials: J
authors.lastname: Oberholzer
authors.forename: L
authors.initials: L
authors.lastname: Buhler
authors.forename: Ph
authors.initials: P
authors.lastname: Morel
authors.forename: T
authors.initials: T
authors.lastname: Berney
mesh_terms: D006470:Hemorrhage / Q000453:epidemiology; D006801:Humans; D016381:Islets of Langerhans Transplantation / Q000009:adverse effects* / Q000379:methods*; D016030:Kidney Transplantation / Q000379:methods; D007813:Laparotomy; D009017:Morbidity; D011169:Portal Vein; D011183:Postoperative Complications / Q000453:epidemiology; D012189:Retrospective Studies; D013927:Thrombosis / Q000453:epidemiology