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Comment by sc68cal | Hacker News Reader

That's what they did. If you read the article, it discussed the whole program as being a change from an in house developed system, to an off the shelf system.

> The program launched in 2018 to replace the aging computer system used across VA’s health care network, which serves more than 9 million veterans, with an off-the-shelf product that could handle many of the same tasks: organizing important information including appointments, referrals, prescriptions and patient histories.

> David Shulkin, the secretary at the time, announced that VA would negotiate a contract to buy the records system from Cerner without competitive bidding. VA leaders said they selected the program because the Pentagon already had purchased a similar Cerner system for the military’s more than 700 hospitals and clinics.

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VistA is an old system, and it's definitely "aging." But the thing is that it actually works really, really well. For instance, it kills a remarkably low number of people, which is one of the benchmarks I personally value in an EHR.

One of the interesting things about this is that, from my perspective, VistA's sort of a mesh of servers rather than the hierarchy we might expect from a federal system. Perhaps that's because of the complex interplay between federal and state and local laws. But anyway, there's probably a "station" for VistA near you that serves your area, and that's very similar (though not identical) to the "station" in the next neighboring area/metropolis/state/whatever.

But weirdly it seemed like the plan to roll this out was to replace all of the functionality at a given VistA station, rather than to do a strangler fig sort of thing and work on supplanting VistA's functionality in a specific functional area (whether locally or nationally). I don't know if that's because of the aforementioned complexity of laws, or the complexity of how the system(s) is/are administered, or other reasons that would elude me.

It's, uh, it's a fun situation.

VistA EHR works reasonably well for end users but the problem is that the underlying platform is kind of a dead end. There's no practical technical path to keep it moving forward with major new enhancements (some of which are legally mandated for compliance). Hardly any developers have the platform skills, no one wants to learn (career suicide in most cases), and modern tools don't support it. It's a shame but that's the reality.

https://worldvista.org/

I don't disagree at all (disclaimer: I don't work on VistA, but systems that communicate with VistA... close enough that the "career suicide" phrase hits a little close to home).

I think the bigger problem is that we're not meaningfully grappling with the reality of what it takes to replace legacy government systems.

Another grain of sand on the beach of things that we're completely unequipped to deal with, I guess.

Any time you hear a vendor is being selected "without competitive bidding", you're probably not getting the best solution.

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