Perioperative renal function in patients undergoing orthotopic liver transplantation: A randomized trial of the effects of verapamil

Thomas C. Gunning, Marc R. Brown, Thomas H. Swygert, Robert Goldstein, Bo S. Husberg, Goran B. Klintmalm, Gerald DiBona, A. William Paulsen, Michael A.E. Ramsay, Thomas A. Gonwa

Research output: Contribution to journalArticlepeer-review

33 Scopus citations


Patients who undergo orthotopic liver transplantation often experience a significant drop in GFR postopera- tively. Postulated mechanisms include intraoperative hemodynamic changes, suboptimal renal perfusion during the anhepatic stage, and cyclosporine administration. We undertook a prospective double-blind study to investigate these factors, as well as to determine the protective effects of verapamil on perioperative renal function. Twenty-five patients with normal renal function undergoing OLT received either placebo (n=13) or verapamil (n=12) intraoperatively and for six weeks post-OLT. No CsA was administered until after reperfusion of the graft liver, and venovenous bypass (VVB) was utilized in all cases. Patients completing six weeks of the study experienced 61% and 48% decreases in GFR within the placebo and verapamil groups respectively. A significant decrease in GFR occurred in the placebo group between one and six weeks post-OLT, and a significant drop in GFR occurred in the verapamil group by one week post-OLT. Differences between the groups were not significant, however. Systemic, renal, and hepatic hemodynamics were similar at all times between groups, and renal hemodynamics and urine output were unchanged during VVB. We conclude that (1) perioperative factors do not contribute to renal dysfunction post-OLT when VVB is used; (2) VVB preserves renal hemodynamics during the anhepatic phase; (3) CsA is the most likely causative agent for post-OLT renal dysfunction; and (4) intraoperative verapamil serves no protective role, as administered in this study.

Original languageEnglish (US)
Pages (from-to)422-427
Number of pages6
Issue number2
StatePublished - Feb 1991

ASJC Scopus subject areas

  • Transplantation


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