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zefalt | 2 years ago
Guess you deleted this part.
When this becomes reality, let me know. If a better system existed given the current set of parameters, I believe it would have come into existence. Give me any medical condition, and I would take my chances in the US healthcare system over any other option.
My argument is not that physicians are error proof or that they don't cause harm through errors. It is to refute your claim that "most doctors are terrible".
Your AI system would only be accurate at diagnosis if it has all the pertinent data and unlimited resources. Patients often provide an unclear history, their symptoms are not common for their underlying condition, and there are not enough resources to do a full workup for every complaint.
Regarding your second link regarding misdiagnosis in emergency rooms, you just need to look at the PERC rule or the HEART score that ED physicians use for evaluating for pulmonary embolus or acute coronary syndrome to get a somewhat clearer picture of the deviation. Even with scores of zero, there will be a substantial amount of missed diagnoses. Not everyone who goes to the emergency room is going get a full cardiac evaluation or a CT angiogram of the chest if their symptoms don't suggest the illness. There are not enough resources to do this.
https://www.mdcalc.com/calc/347/perc-rule-pulmonary-embolism
https://www.mdcalc.com/calc/1752/heart-score-major-cardiac-e...
Of course other civilian professions don't have death rates this high. They don't deal with dying people every day. Again, I'm not claiming that the medical field is perfect as it is. I just believe you are mischaracterizing data for which there are many intricacies.
You are also throwing out a lot of strawmen regarding race and sex which bears little relevance to your initial claim.
Regarding your final piece of data about the amount of misdiagnosed heart attack cases, look at the following sentence in the same article
> It estimated that, if heart attack patients were correctly diagnosed initially then – over the decade of study – over 250 deaths per year might have been prevented.
250 * 9 = 2250 preventable deaths over a 9 year period.
Far less alarming than the data you present of 198,534 missed diagnoses.
bullen|2 years ago
In simpler terms: the sicker you are, the more they earn.
Just like computer consultants earn more the worse they deliver, because if they built the perfect system, they would no longer be needed.
zefalt|2 years ago
Healthcare still follows the basic supply/demand curve, and demand is at record levels. It's just as capitalist as much of the rest of the economy. State regulations regarding professional licensure do serve as a limiting factor for supply, but many fields also have similar licensing requirements before being able to practice.
Most doctors do not make more the sicker you are. The majority are salaried though some organizations do provide extra depending on volume seen or RVUs. They also have very little say on the volume as it is mostly decided by managers.
Some examples:
Certainly, these individuals were not made sick just so the healthcare industry could make a profit. Also, I don't believe there will ever be a perfect system.areoform|2 years ago
This trend is not unique to the US. Similar efforts exist everywhere doctors do. The profession was associated with status in the past (and still is). Doctors are fighting and have fought tooth and nail to preserve the benefits they accrue from this status.
As you're a physician, I think you should take a moment to put yourself in the shoes of a third party. Imagine there's a Profession X. Members of this Profession X, and organizations that represent Profession X, have fought to make outcomes of people who interact with them worse in measurable ways. What would you think if a member of Profession X made an equivalent claim? Would you give it equal weight?
No, it doesn't need unlimited resources. Just better sensors and more data. We'll get there sooner or later. It's an inevitability. There are too many smart people working towards this end because of the reasons outlined above. Medicine is the only profession I know of where its practitioners fight against gathering more data points. The argument goes that the more you look, the more you find and that's bad etc.If you take some time to reflect on it, these fairly common claims make no sense. The more data we collect, the more data we have to understand what the true distribution of human biology looks like. The more data we have, the more information we can gather to better understand how to treat when needed, and distinguish between things that are critical and aren't.
As to the claim that there aren't "enough resources," the truth is that we can create the resources. Lateral flow tests, for example, have dropped significantly in price and what we can test with them has greatly increased. We can also automate how these tests are read — an effort I've been peripherally involved in. We can build labs on chips and mass produce the silicon, https://en.wikipedia.org/wiki/Lab-on-a-chip . We can take commodity sensors and use better algorithms to detect subtle things — for example, using IMUs on a patient's bed in an ER setting as a type of ballistocardiograph to passively monitor their heart function.
We have the technology to do all of this and more. We also have the capability to invent new things that do more. But we choose not to. This status quo is a choice.
With all due respect, I feel like you've validated my argument in these paragraphs. Medicine is a safety critical industry that doesn't behave like it's a safety critical industry.If a process had a 33% rate of failure, for any other safety critical system, there would be a sustained effort to research and develop a better alternative.
Perhaps we need better sensors — maybe we could embed a dozen or so IMUs around the patient and measure the forces to see the performance of their heart https://journals.biologists.com/jeb/article/225/10/jeb243872.... Perhaps we need to expand the metrics we look at. Perhaps the way things are measured at the bedside should be changed. There are many things we can do to reduce the absurdly high process failure rate of 33%.
Detecting and treating disease early leads to better outcomes. 198k people were denied this better outcome.
The data is for the UK. As the population is roughly a fifth of that of the US, let's do some rough math and multiply that number by 4 (instead of 5, to be conservative). That's 1,000 lives per year, or a death every 8 hours.What does this rate look like when compared to other safety critical systems? The one I'm most familiar with is aerospace. Within civilian aerospace, parts are rated to 1 failure in 1 billion hours of operation. Or, more broadly, safety critical systems are designed to hit the goal of 1 death per 1 billion hours. https://dl.acm.org/doi/10.1145/332051.332078
All of the statistics I've given were for people killed via mistake. These are people who would have otherwise lived. They died because a medical professional made a mistake. That's an important distinction.Furthermore, although medicine deals with the sick and the dying, it's not the only industry where a very small mistake could equal death.
Small mistakes, like a bolt not being tightened correctly, on an airplane can lead to catastrophic failure (and have!). And yet, an upward of 2.3 billion person trips occur safely every year via airplanes. Between 2012 and 2021, in seven of these ten years, no airliners crashed. No catastrophic failures occurred.
By contrast, the total number of ER visits is 131.3 million. As I've stated, tens of thousands of these visits lead to death for the patient via error. Per year.
Why are these fields so different?
I believe that the difference is in the margins. One has a culture of excellence. The other has the culture of shrugging. The smallest change in outcome probabilities adds up for processes. Improving a process by 0.5% to 0.05% per case doesn't seem like much, but it adds up.
Interestingly enough, great doctors recognize this. The very best doctors fight in these margins,
From the cystic fibrosis piece.Medicine has failed to broadly adopt this culture.
> You are also throwing out a lot of strawmen regarding race and sex which bears little relevance to your initial claim.
They aren't treated seriously by their doctors. That leads to poor outcomes.
Ideally, medicine should take every possible cause of process failure seriously, especially if that cause is observed to be this common.