Reducing Surgeon-Level Cost Variation in Cardiac Surgery

Ask for perfusion cost per case broken down by surgeon and you will almost always find a spread — sometimes a wide one — for the same procedure. Part of that reflects legitimate clinical differences. A surprising amount does not.

Why variation persists unexamined

Surgeon preference drives product selection, and preference is rarely revisited once established. Different surgeons request different circuits, cannulae, cardioplegia strategies, and adjuncts — often for reasons rooted in training history rather than current evidence or cost. Because no one aggregates the data by surgeon, the variation stays invisible.

Making it visible without making it adversarial

Why this works when mandates fail

Surgeons do not respond well to purchasing dictates, but they respond very well to data showing them how they compare to their peers. Presented as information rather than instruction, cost-per-case benchmarking routinely narrows variation voluntarily — preserving clinical autonomy while eliminating the differences that were never clinical to begin with. It is one of the highest-yield, lowest-friction levers in the program.