What Researchers Did
Researchers analyzed archival data from 50 patients with chronic neurological disorders (25 older, 25 younger) to assess changes in cerebral blood flow and metabolism using SPECT scans before, during, and after hyperbaric oxygen therapy.
What They Found
The study confirmed that cerebral blood flow and metabolism significantly improved in patients with chronic neurological disorders, as measured by SPECT scans, while cerebellar and pons blood flow did not change. Post-hoc t-tests showed improvement in blood flow from the beginning to the end of the study, and an age effect was observed on two of five measures, with younger patients having higher blood flows overall.
Canadian Relevance
This study has no direct Canadian connection as it was not conducted in Canada nor involved Canadian researchers or participants.
Study Limitations
A limitation of this study includes its reliance on archival data and a relatively small sample size of 50 subjects.