Living with elevated uric acid myself, I know how disorienting it can be to discover it's connected to cardiovascular health — most of us stumble onto gout first and then realize the picture is much bigger.
From what I've read, the relationship seems to run in both directions. High uric acid may add extra load on the kidneys (which are already doing a lot for the heart), and when circulation isn't optimal, the kidneys struggle more to clear it. Less a cause-and-effect line, more a feedback loop.
The dietary piece that shifted things most for me was understanding fructose — not fruit in general, but the concentrated kind found in sweetened drinks and processed foods. The body processes it in a way that raises uric acid levels faster than almost any other food source. Cutting back there made a noticeable difference for me before anything else did.
I built acid-uric-gout.com to follow exactly this kind of metabolic overlap — gout, kidneys, and general metabolism as one connected system rather than separate silos. Still learning, and it's genuinely reassuring to see uric acid taken seriously in a cardiac context too.