The Rise of the Solo TAVR Operator: Alone, Unarmed, and Unafraid
sciencedirect.com/science/ar…
Written before CMS finalized its new TAVR NCD - I think CMS got some of it right, and one big thing wrong.
Braasch et al looked at 400K Medicare TAVRs, 2016 to 2024. Surgical bailout in 0.56%, falling from 0.92% to 0.40%. Hospital SAVR volume, whether low, intermediate, or high, was not associated with mortality among patients requiring salvage surgery.
The absence of an on-site surgeon is not the absence of rescue. Transfer systems exist. A growing share of catastrophic complications, including contained annular injury, tamponade, and device embolization, are now rescued in the cath lab, far from the OR.
We have run this experiment before - PCI required on-site surgery on the same theory. CPORT-E: over 18k patients, 6-week mortality 0.9% vs 0.8%. MASS COMM: emergency surgery in 0.1% to 0.3%. PCI without on-site surgery became standard. Systems of care exists across the spectrum of CV care: cardiogenic shock, PE care etc.
What CMS got right in the final NCD: TAVR may be performed by a single operator. The mandated dual-specialty evaluation is dropped and only the operator's visit is required. Hospital procedural volume requirements are removed. Asymptomatic severe AS is now covered under CED.
Where CMS got it wrong: on-site cardiac surgery is retained. It compels the backup that is so rarely needed. A system of care with straightforward TAVRs being performed by ICs in non-surgical sites with affiliations for complex/transfers would've balanced access.
However, CMS & cardiac societies chose politics over patients in the end.
Proof: no requirement for on-site EP, though permanent pacing is the most common service after TAVR. No requirement for vascular surgery - much more valuable to a TAVR operator than CV surgery. The mandate is kept to protect physicians not patients.
Morevover, medicare imposes no minimum-volume condition on SAVR, despite a median annual surgeon volume of 16 cases. Volume, staffing and heart team requirements get framed as safeguards of quality. But they are absent for the surgical equivalent.
Let's be honest - that framing is a pretext for protecting case volume, referral patterns, and established programs. Legitimate interests, just not the ones a public payer is charged with protecting.
CMS exists to serve beneficiaries. Its mandate is to protect patients, not programs or professions. Where a requirement principally constrains competition, restricts access, or entrenches incumbents without corresponding patient benefit, it should be removed. Politics over patients.
The solo TAVR operator is not a threat to patients. It is the means of reaching them. Hardly unarmed: percutaneous rescue, disciplined case selection, a defined transfer network.
CMS came some of the way. They didn't have the courage to do the right thing and patients will pay the price.
doi.org/10.1016/j.jcin.2026.…
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