Evaluating the effects of extended cold ischemia on interstitial metabolite in grafts in kidney transplantation using microdialysis

Hamidreza Fonouni, Parvin Jarahian, Morva Tahmasbi Rad, Mohammad Golriz, Alireza Faridar, Majid Esmaeilzadeh, Mohammadreza Hafezi, Stephan MacHer-Goeppinger, Thomas Longerich, Berk Orakcioglu, Oliver W. Sakowitz, Camelia Garoussi, Arianeb Mehrabi

Research output: Contribution to journalArticle

7 Scopus citations

Abstract

Purpose: During kidney transplantation (KTx), the length of cold ischemia time (CIT) and the subsequent changes in energy metabolism may lead to variations in interstitial metabolites. Using microdialysis (MD), we evaluated the effects of a short and long CIT on changes of these metabolites. Methods: Sixteen pigs were randomized in two identical groups, one with a short CIT and the other one with a long CIT. Using MD in the transplanted grafts, we evaluated the parenchyma concentrations of glucose, lactate, pyruvate, glutamate and glycerol in different stages. Results: We noted that during the warm ischemia time (WIT) and in the early post-reperfusion phase glucose levels increased more significantly in the long CIT group and remained high until the end of monitoring. At the end of CIT and during WIT, the long CIT group had a significantly higher glycerol level, but the level dropped gradually in the late post-reperfusion phase and reached a steady state in both groups. Conclusions: The extended CIT clearly results in considerably impaired graft metabolism. The high interstitial glucose levels within hours after KTx could be considered as a marker of primary delayed function of the graft. Furthermore, the glycerol value could reflect the extent of graft injury during the ischemia time or in case of acute impairment of graft perfusion.

Original languageEnglish (US)
Pages (from-to)87-97
Number of pages11
JournalLangenbeck's Archives of Surgery
Volume398
Issue number1
DOIs
StatePublished - Jan 2013

Keywords

  • Cold ischemia time
  • Kidney transplantation
  • Metabolic changes
  • Microdialysis

ASJC Scopus subject areas

  • Surgery

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