Brain Blood Flow Issues in Multiple Sclerosis Patients
Author Information
Author(s): Zamboni Paolo, Menegatti Erica, Weinstock-Guttman Bianca, Dwyer Michael G, Schirda Claudiu V, Malagoni Anna M, Hojnacki David, Kennedy Cheryl, Carl Ellen, Bergsland Niels, Magnano Christopher, Bartolomei Ilaria, Salvi Fabrizio, Zivadinov Robert
Primary Institution: Vascular Diseases Center, University of Ferrara-Bellaria Neurosciences, Ferrara and Bologna, Italy
Hypothesis
There is a relationship between abnormal brain perfusion in multiple sclerosis and chronic cerebrospinal venous insufficiency.
Conclusion
The study found a significant relationship between the severity of chronic cerebrospinal venous insufficiency and reduced blood flow in the brain of multiple sclerosis patients.
Supporting Evidence
- The study found a strong correlation between increased venous insufficiency severity and decreased cerebral blood flow.
- All MS patients in the study were diagnosed with chronic cerebrospinal venous insufficiency.
- The results suggest that reduced brain perfusion may contribute to the mechanisms of hypoxia in demyelinated axons.
Takeaway
This study shows that patients with multiple sclerosis who have problems with blood flow in their veins also have less blood flow in their brains.
Methodology
The study involved 16 MS patients and 8 healthy controls, using MRI to measure brain blood flow and assess venous insufficiency.
Potential Biases
Investigators were blinded to participant status, but the small sample size may introduce bias.
Limitations
The study is preliminary and requires confirmation in a larger cohort; absolute quantitation of blood flow is challenging.
Participant Demographics
16 relapsing-remitting MS patients (10 females, 6 males) and 8 age- and sex-matched healthy controls.
Statistical Information
P-Value
p<0.002
Statistical Significance
p<0.002
Digital Object Identifier (DOI)
Want to read the original?
Access the complete publication on the publisher's website