Prediction of early allograft dysfunction using serum phosphorus level in living donor liver transplantation

Sang Hyun Hong, Jung Ah Kwak, Jin Yeong Jeon, Chul Soo Park

Research output: Contribution to journalArticlepeer-review

16 Scopus citations

Abstract

Serum phosphorus is greatly affected by liver surgeries, but its change after liver transplantation has not yet been clarified. We investigated the predictive role of serum phosphorus for early allograft dysfunction (EAD) after living donor liver transplantation (LDLT). Perioperative factors, including serum phosphorus level, of 304 patients who underwent LDLT were retrospectively studied and compared between patients with and without EAD after LDLT. Potentially significant factors (P < 0.15) in univariate comparisons were subjected to multivariate logistic regression analysis to develop a prediction model for EAD. A total of 48 patients (15.8%) met the EAD criteria. Patients with EAD experienced more severe preoperative disease conditions, higher one-month mortality and more elevated serum phosphorus concentrations during the first week after surgery compared with patients without EAD (P = 0.016). Multivariate analysis showed that a serum phosphorus level ≥4.5 mg/dl on postoperative day 2 was an independent predictor of EAD occurrence after LDLT (relative risk: 2.36, 95% confidence interval [1.18-4.31], P = 0.017), together with a history of past abdominal surgery, emergency transplantation and preoperative continuous veno-venous haemodiafiltration. These data indicate that hyperphosphataemia during the immediate postoperative days could be utilized as a predictor of EAD after LDLT.

Original languageEnglish
Pages (from-to)402-410
Number of pages9
JournalTransplant International
Volume26
Issue number4
DOIs
StatePublished - Apr 2013

Keywords

  • allograft dysfunction
  • living donor liver transplantation
  • phosphorus

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