Preservation of tumour oxygen after hyperbaric oxygenation monitored by magnetic resonance imaging
2000
Monitoring Tumor Oxygen Levels After Hyperbaric Oxygen Treatment
publication
Author Information
Author(s): Kinoshita Y, Kohshi K, Kunugita N, Tosaki T, Yokota A
Primary Institution: University of Occupational and Environmental Health
Hypothesis
Hyperbaric oxygenation can reduce tumor hypoxia by increasing dissolved molecular oxygen in tissue.
Conclusion
The study found that tumor oxygen levels were preserved after hyperbaric oxygen exposure, which may be beneficial for cancer treatment.
Supporting Evidence
- The MR signal of muscles decreased rapidly after decompression, while the signal from tumors remained high for 60 minutes.
- Normobaric oxygen did not significantly change the tumor signal.
Takeaway
This study shows that breathing oxygen under high pressure can help keep tumors oxygenated, which might help in cancer treatment.
Methodology
The study used magnetic resonance imaging to monitor changes in tumor oxygen levels in mice after hyperbaric oxygen exposure.
Participant Demographics
SCCVII tumor cells transplanted in mice were used.
Digital Object Identifier (DOI)
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