Serum uric acid is independently associated with impaired nitroglycerine-induced vasodilation of the brachial artery in women
2024

Uric Acid and Blood Vessel Function in Women

Sample size: 1606 publication 10 minutes Evidence: moderate

Author Information

Author(s): Maruhashi Tatsuya, Kajikawa Masato, Kishimoto Shinji, Yamaji Takayuki, Harada Takahiro, Mizobuchi Aya, Tanigawa Shunsuke, Yusoff Farina Mohamad, Nakano Yukiko, Chayama Kazuaki, Nakashima Ayumu, Goto Chikara, Higashi Yukihito

Primary Institution: Hiroshima University

Hypothesis

Is there an association between serum uric acid levels and nitroglycerine-induced vasodilation in women?

Conclusion

Higher serum uric acid levels are linked to worse blood vessel function in women.

Supporting Evidence

  • Serum uric acid levels were negatively correlated with nitroglycerine-induced vasodilation.
  • Vascular smooth muscle cell dysfunction increased with higher serum uric acid levels.
  • Women showed a significant association between serum uric acid levels and vascular smooth muscle cell dysfunction.

Takeaway

This study found that women with higher levels of uric acid in their blood had poorer blood vessel function, which could lead to heart problems.

Methodology

The study measured nitroglycerine-induced vasodilation in 598 women and 1008 men, analyzing the relationship with serum uric acid levels.

Potential Biases

Potential biases due to differences in cardiovascular risk factors between men and women.

Limitations

The study's cross-sectional design limits causal conclusions, and there may be unmeasured confounding factors.

Participant Demographics

598 women with a mean age of 66.2 years and 1008 men with a mean age of 59.0 years.

Statistical Information

P-Value

p<0.001

Confidence Interval

1.02─1.43

Statistical Significance

p<0.001

Digital Object Identifier (DOI)

10.1038/s41440-024-01972-5

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