Testing On Rats Reveals Relationship Between Osteoarthritis and High Blood Pressure and Sex Differences

Researchers at UF including Carlos Cruz, Folly Patterson and Kyle Allen wanted to discover if having high blood pressure (hypertension) makes osteoarthritis (OA) worse and whether this effect differs between males and females. To do this, they studied rats with and without hypertension who also had surgically induced knee OA.
During the study, it was found that when hypertension and osteoarthritis occurred together, joint damage was more severe. Female rats developed bigger bone spurs, more changes in the blood vessels around the joint, and even started limping with shorter steps. Interestingly, males didn’t show the same level of problems.
This research shows how conditions like hypertension and arthritis can interact in surprising ways and why it’s important to look at sex differences when studying joint health!
The article, “Comorbid Hypertension and Osteoarthritis Exacerbates Joint Remodeling and Gait Compensations in Female Rats with Milder Effects Observed in Males” has been published in Osteoarthritis and Cartilage Open!