In vitro magnetic relaxation times of the ischemic and reperfused rabbit kidney: Concise communication

R. A. Slutsky, M. P. Andre, R. F. Mattrey, F. J. Brahme

Research output: Contribution to journalArticlepeer-review

10 Scopus citations

Abstract

To assess the effects of renal ischemia and reperfusion on in vitro magnetic relaxation times (T1 = magnetization recovery, T2 = spin echo), we evaluated the spectroscopic characteristics of the renal cortex from 25 rabbits. Eight served as controls (Group 1), nine had one renal pedicle ligated for 1 hr (Group 2), and eight (Group 3) were occluded for 1 hr and reperfused for 30 min. For intraanimal comparison purposes, % H2O content, T1 (msec), and T2 (msec) of the ischemic (reperfused) kidney were normalized to the values from the normal kidney within the same animal. Renal ischemia consistently increased water content, which was exaggerated by reperfusion. In association with ischemia, T1 fell, and with reperfusion T1 lengthened. T2 increased with ischemia and declined from the peak ischemic effects with reperfusion.

Original languageEnglish (US)
Pages (from-to)38-41
Number of pages4
JournalJournal of Nuclear Medicine
Volume25
Issue number1
StatePublished - Jan 1 1984

ASJC Scopus subject areas

  • Radiology Nuclear Medicine and imaging

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