Ischemic renal failure in chronic hypoxic rats

Chiang Ting Chien, Chau Fong Chen

研究成果: 雜誌貢獻期刊論文同行評審

5 引文 斯高帕斯(Scopus)

摘要

The after effects of renal ischemia were studied in hypoxia-adapted rats. It was felt that chronic hypoxia animals which had already adapted to a low oxygen level might be more tolerant of renal ischemic insult; however, chronic hypoxia is always accompanied by polycythemia, which may cause severe RBC trapping and consequently might enhance renal damage after renal ischemia. Chronic hypoxic rats were prepared by exposure in an altitude chamber 15 h per day for 4 weeks. The plasma sodium, potassium, urea, and creatinine levels were determined to compare the changes in these parameters between the baseline and 3 h after α 45-min occlusion of both renal arteries in 12 sea-level (SLB) controls and in 12 chronic hypoxic (CHB) and II chronic hypoxic plus RBC pheresis (to reduce hematocrit: CH + P) rats. From the parameters measured, the CHB rats were found to be more tolerant of renal ischemia. However, this was not the case in the rats with pheresis. It is concluded that after chronic hypoxia, some humoral factors in the plasma may play an important role in reducing the renal damage after ischemic insult.

原文英語
頁(從 - 到)255-261
頁數7
期刊Renal Failure
16
發行號2
DOIs
出版狀態已發佈 - 1994

ASJC Scopus subject areas

  • Critical Care and Intensive Care Medicine
  • Nephrology

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