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Here is 4 cents back to you Rock.
Your in-lab PSGs are not accurate. False negatives are a big problem for labs.
Dr. Barry Krakow has stated publicly that false negatives are such a problem in his lab that it has often taken three nights to diagnose patients.
Dr. Mack Jones has written about the extensive problems he had getting a diagnosis from in-lab PSGs.
You use equipment in your labs to make a diagnosis. The HST uses equipment to make a diagnosis.
Using infrared cameras and microphones to watch and listen to people sleeping rarely adds to the diagnosis.
People come into your lab anxious about a foreign experience in a strange envrionment. They do not sleep the same way, if at all, in your sleep lab as they sleep at home. Since they are not sleeping like they normally do, you have great problems with proper diagnosis and accurate titration.
Docs using in-lab PSGs and titrations give people a prescription for a pressure and if they become compliant, it is assumed everything is fine. The great majority of all patients could improve their therapy if they had a little education and a data-capable machine and patient software to use at home.
Sleep labs have no idea what the AHI of their treated patients is.
Your argument started out justifying in-lab PSGs with concern over the small percentage who don't have "simple" apnea. Now you find your argument crumbling, so in your latest post you reverse directions and are willing to disregard the "enigmas" as you now call them. Argue one way. Both doesn't work.
You know very well there is a huge population of undiagnosed. Getting them all in sleep labs for multiple night studies is extremely expensive and impractical and would take years while these people are left untreated.
Let's get multiple sets of HST equipment in every medical office in the country, get all the patients screened and send the positive screeners home with a HST unit.
Next we have to figure out a practical, inexpensive and quick way to get the positive testers titrated.
Don't get discouraged. There will be plenty of job opportunities for you in sleep medicine. Even if you want to continue doing lab PSGs, there will be plenty of job opportunities for you.
However, mass diagnosis of the population will not be done in labs. It will be done at home using HST or some other tools that have yet to be developed.
I have done MANY un attended studies over the years. There are too many variables to home studies. One of the big problems are teaching the patients to use the equipment properly. A lot of people are intimidated by simple electronics. Most of the home studies turn out technically inadequate. Patient pull of probes and dont replace them. Some remove wires in there sleep and dont even know it. Not to mention that until now the devices available for home studies could NEVER be used by the patient, at home. They are too complicated for the masses. There is a place for un attended studies. But I dont think they can completely replace studies in the lab.
Banyon said:Here is 4 cents back to you Rock.
Your in-lab PSGs are not accurate. False negatives are a big problem for labs.
Dr. Barry Krakow has stated publicly that false negatives are such a problem in his lab that it has often taken three nights to diagnose patients.
Dr. Mack Jones has written about the extensive problems he had getting a diagnosis from in-lab PSGs.
You use equipment in your labs to make a diagnosis. The HST uses equipment to make a diagnosis.
Using infrared cameras and microphones to watch and listen to people sleeping rarely adds to the diagnosis.
People come into your lab anxious about a foreign experience in a strange envrionment. They do not sleep the same way, if at all, in your sleep lab as they sleep at home. Since they are not sleeping like they normally do, you have great problems with proper diagnosis and accurate titration.
Docs using in-lab PSGs and titrations give people a prescription for a pressure and if they become compliant, it is assumed everything is fine. The great majority of all patients could improve their therapy if they had a little education and a data-capable machine and patient software to use at home.
Sleep labs have no idea what the AHI of their treated patients is.
Your argument started out justifying in-lab PSGs with concern over the small percentage who don't have "simple" apnea. Now you find your argument crumbling, so in your latest post you reverse directions and are willing to disregard the "enigmas" as you now call them. Argue one way. Both doesn't work.
You know very well there is a huge population of undiagnosed. Getting them all in sleep labs for multiple night studies is extremely expensive and impractical and would take years while these people are left untreated.
Let's get multiple sets of HST equipment in every medical office in the country, get all the patients screened and send the positive screeners home with a HST unit.
Next we have to figure out a practical, inexpensive and quick way to get the positive testers titrated.
Don't get discouraged. There will be plenty of job opportunities for you in sleep medicine. Even if you want to continue doing lab PSGs, there will be plenty of job opportunities for you.
However, mass diagnosis of the population will not be done in labs. It will be done at home using HST or some other tools that have yet to be developed.
I have done MANY un attended studies over the years. There are too many variables to home studies. One of the big problems are teaching the patients to use the equipment properly. A lot of people are intimidated by simple electronics. Most of the home studies turn out technically inadequate. Patient pull of probes and dont replace them. Some remove wires in there sleep and dont even know it. Not to mention that until now the devices available for home studies could NEVER be used by the patient, at home. They are too complicated for the masses. There is a place for un attended studies. But I dont think they can completely replace studies in the lab.
Banyon said:Here is 4 cents back to you Rock.
Your in-lab PSGs are not accurate. False negatives are a big problem for labs.
Dr. Barry Krakow has stated publicly that false negatives are such a problem in his lab that it has often taken three nights to diagnose patients.
Dr. Mack Jones has written about the extensive problems he had getting a diagnosis from in-lab PSGs.
You use equipment in your labs to make a diagnosis. The HST uses equipment to make a diagnosis.
Using infrared cameras and microphones to watch and listen to people sleeping rarely adds to the diagnosis.
People come into your lab anxious about a foreign experience in a strange envrionment. They do not sleep the same way, if at all, in your sleep lab as they sleep at home. Since they are not sleeping like they normally do, you have great problems with proper diagnosis and accurate titration.
Docs using in-lab PSGs and titrations give people a prescription for a pressure and if they become compliant, it is assumed everything is fine. The great majority of all patients could improve their therapy if they had a little education and a data-capable machine and patient software to use at home.
Sleep labs have no idea what the AHI of their treated patients is.
Your argument started out justifying in-lab PSGs with concern over the small percentage who don't have "simple" apnea. Now you find your argument crumbling, so in your latest post you reverse directions and are willing to disregard the "enigmas" as you now call them. Argue one way. Both doesn't work.
You know very well there is a huge population of undiagnosed. Getting them all in sleep labs for multiple night studies is extremely expensive and impractical and would take years while these people are left untreated.
Let's get multiple sets of HST equipment in every medical office in the country, get all the patients screened and send the positive screeners home with a HST unit.
Next we have to figure out a practical, inexpensive and quick way to get the positive testers titrated.
Don't get discouraged. There will be plenty of job opportunities for you in sleep medicine. Even if you want to continue doing lab PSGs, there will be plenty of job opportunities for you.
However, mass diagnosis of the population will not be done in labs. It will be done at home using HST or some other tools that have yet to be developed.
What Dr. Krakow and Dr. Jones have written about false negatives in the sleep lab is very convincing.
I am curious whether you guys ever have any negatives in the lab and if so, what you did about them.
I have never had a false negative.
Banyon said:What Dr. Krakow and Dr. Jones have written about false negatives in the sleep lab is very convincing.
I am curious whether you guys ever have any negatives in the lab and if so, what you did about them.
What Dr. Krakow and Dr. Jones have written about false negatives in the sleep lab is very convincing.
I am curious whether you guys ever have any negatives in the lab and if so, what you did about them.
In this case, "negatives" mean patients undergoing a single in-lab PSG who then get a diagnosis of normal breathing while asleep. "Positive" would mean the PSG shows they do have SDB.
In this case, "negatives" mean patients undergoing a single in-lab PSG who then get a diagnosis of normal breathing while asleep. "Positive" would mean the PSG shows they do have SDB.
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