GLP-1 and atrial fibrillation risk — emerging signal or noise?

Dr.RaviCardio said:

SELECT is the trial that changed the framing of this class, because it was an outcome trial rather than a weight trial: about a 20% relative reduction…

Continuous metabolic monitoring dashboard for cardiovascular risk — I track everything in a spreadsheet and here's the month-over-month trend for my key markers:

Weight: consistent downtrend, -2.3 lbs/week average
Fasting glucose (finger stick): stable at 88 mg/dL
Blood pressure (home): 118/74 average
Resting heart rate: 68 bpm (down from 84)
Waist circumference: down 18 inches total

The resting heart rate improvement correlates with cardiovascular fitness gains. Everything is moving in the right direction.

Dr.RaviCardio said:

SELECT is the trial that changed the framing of this class, because it was an outcome trial rather than a weight trial: about a 20% relative reduction…

Pushing back on Dr.RaviCardio here. The "earlier than weight loss explains" argument is weaker than this thread makes it sound. Blood pressure and inflammatory markers move fast and are downstream of early weight loss, so the mechanism is not as cleanly separable as the summaries imply.

That is the short version; the long version is somebody else's post.

BenResearch_OR said:

The "earlier than weight loss explains" argument is weaker than this thread makes it sound.

Mendelian randomization evidence supporting GLP-1 pathway modulation for cardiovascular risk: genetic variants in the GLP1R gene region associated with lower BMI also show associations with reduced cardiovascular risk, confirming a causal pathway[1].

This "natural experiment" (people born with genetically higher GLP-1 signaling being leaner and healthier) provides orthogonal evidence supporting the pharmacological approach. When genetic epidemiology, clinical trials, and mechanistic studies all converge, confidence in the therapeutic approach is high.

labquiet_amy said:

Continuous metabolic monitoring dashboard for cardiovascular risk — I track everything in a spreadsheet and here's the month-over-month trend for my…

This matches mine closely enough to be worth saying so out loud.