Myocardial tissue oxygenation during ischemia and reperfusion.
- Yuanjing Li (669284)
- Ming Cai (342151)
- Li Cao (106383)
- Xing Qin (134313)
- Tiantian Zheng (669285)
- Xiaohua Xu (115040)
- Taylor M. Sandvick (669286)
- Kirk Hutchinson (669287)
- Loren E. Wold (344248)
- Keli Hu (669288)
- Qinghua Sun (115046)
- D. Paul Thomas (669289)
- Jun Ren (110002)
- Guanglong He (423792)
Publication date
December 2014
DOIAbstract
<p>In vivo EPR oximetry was performed to measure myocardial tissue oxygenation (Po<sub>2</sub>) before (0–20 min), during (20–50 min), and after (50–110 min) ischemia and reperfusion (N = 5/group). Myocardial tissue oxygenation recovery time τ was measured from the start of reperfusion to plateau. As shown, endurance exercise dramatically shortened τ from 33 (control) to 14 min without significant changes in oxygenation levels at baseline or after reperfusion plateaued.</p
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