Loulou, thanks for your reply. I am on the clinical side of things as a grad student. In our lab we do some pulmonary stuff, mostly dealing with airway surface liquid. In some of our studies we need to be careful of bronchospasm and use a handheld spirometer similar to what you have. I'm not sure the brand, but if I recall they are around $500. Certainly less than $1700.
I'm just wondering why you would need all the bells and whistles to do simple spirometry. Maybe your docs are different, but from a clinical standpoint, it seems like overkill. I'm also wondering who in this case throws the flag. Do you keep a diary and then contact your pulmonologist if you start to see a decline? I would imagine that your doc would want to see you and do spirometry in the lab, right? So it's a bit redundant to be spending that kind of money on your own personal spirometer when you will still have to go to a lab to have a standard spirometry test done, or am I missing something?
Cool! So do you have cf and your doing clinical research or are you without cf? Thanks for working on advancing care. I think you are correct regarding the SpiroDoc. It probably provides way more than what I need. To be clear, my doctor never asked me to get a home spirometer though did support my decision to get one as it would be an additional tool in his/my arsenal to attack my cf. Originally I wanted a pulse ox to monitor what my O2 was doing during exercise. Not just during a 6 min test in the hospital but day in the life sort of exercise. For example, I get VERY WINDED when I run. Should I push through this or do I need supplemental oxygen? You can think of it as the next logical step after heart rate monitoring which has become mainstream but is very much a necessity for people with heart/lung issues to monitor. I think 02 is the same but will never stand a chance to get an rx for it until I have numbers to prove I need it, no? Even with all this thought I never asked for home pulse ox. A lot of people buy these types of things out right but I wanted to wait until I had the time to investigate insurance coverage. The list of "to do's" regarding my health get prioritized and re-prioritized. This has never been top of the list! Then on this site, myself and other leaders in the community saw a trend of people (who were adherent may I add) having lower lung function than expected at their quarterly cf chkup. We ran a survey and found that there was a DEFINITE need for home spirometry. Not just a want but a need as we feel it will lead to an earlier detection on exacerbations. What this could mean long term for life expectancy could be huge.
Okay back to the spirometry. Regarding who throws the flag. I think you have an excellent point and I hope to be involved in the standardization of care with regards to use of home spirometry. That being said, every case is different so it won't be easy to make a 'one size fits all' approach. I am at a very early understanding of all this but for right now I would say that each patient who gets a home spirometer should make a plan of action with their doctor with regards to 1) roughly how often they should be using it at the minimum and 2) when to give a report from the device to the doctor. I think that it is impairative that the device make a classic PFT report like one would get if they did a PFT in the hospital or clinic. This way the doc can compare all the numbers he has on the patient through the care center directly with the home spiro. At the least, the patient should bring the reports printed with them when they come to clinic. Think of it like a diabetic tracking their sugars. From there perhaps they patient and doctor can see patterns and make a plan for earlier intervention or perhaps detect changes that were helpful in the patients care plan based on the results show in the report. The devices raw number (ie. not percentages) should be quite close as long as they are all calibrated. All the patient, need do which is what I did last week, is bring the device in and use it right after they do their pfts in the lab. See that the numbers are comparable.
Bottom line the cf doctors put a whole lot of stock in the pfts which if you think about how variable they can be from one day or week to the next it's sort of crazy how much importance they are given. They are THAT good that is why. And we should have results on a more regular basis. More data points = more accurate reports for analysis.
How I came to get the device is unusual because I am working in the field of connecting the e-patient, specifically helping the healthcare industry better interface with social health communities. If you saw my video and read Jeanne's article that went out with it you'll learn more on that.
To answer your question about how I know when and what to do requires me to explain a bit more about my cf. Everyone is a bit different. In terms of my care. I carry along and go for my quarterly appointments. If I am lower than my baseline at the appt, we intervene my normal care plan. We look at other measures than just pfts which I've worked to define as it is difficult to see the wood from the trees regarding an exacerbation sometimes. With more benchmarks my understanding of my own health has increased. Then I touch base with the doctor if I don't see an improvement. If the intervention is IVs I go in for a follow up, but if it's just orals he takes my word on it that I'm up to snuff to carry on to my next appt. Of course, I can always make another appt sooner. So NO in answer to your last question if it's just redundent to be doing pfts at home because the doctor will require the patient to come in. I don't think doctors very often have a patient in to merely get pfts. If there is shortness of breath or other restrictions then my guess is the doctor actually wants the patient to come in so he can listen to the lungs.
This is what happens when I am in a stable state. It's a slow decline in cf so this I would reckon is "normal."
Now, what is not as normal is what happened 4 years ago and only just recently in the last year seems to have stopped. I needed IVs every 8-12 weeks. We would start IVs based on my symptoms over the phone. I have a port and am hyper vigilent about germs. After a year I learned to access the thing myself because I preferred that over some nurse coming into my home. He prescribes and gets home health care to deliver the drugs in bags that dont require gravity feed. I go to a lab to get levels checked and talk with him a few times the first week to make sure I'm headed in the right direction. If I weren't I wouldn't hesitate to go in. But what is important to know...is that with cf when we are sick we are so susceptible to germs that my doctor would rather I not come in...even for a pft. So we start IVs with NO RECENT PFT RESULTS. Now that I have home spiro we will have that knowledge to add to my description of my symptoms. So I do two weeks and if I think I'm all better or just about I go in for a clinic appt incl. PFT to see if I am back to baseline. If I am not, we make a plan about what to do. I have heard of others refer to this care plan as well as the following: "I don't go in when I'm sick. We treat the exacerbation and then check to see if I'm all better."
Many of us have ports but not all. If you req IVs and don't have a port you need to get a PICC which has to be done in the hospital. My doctor encouraged me to get a port when I started to need IVs more often because he didn't like me having to get the PICC placed. We must remember that each time we get an intervention of any type, especially in the hospital, it is not without risk. For this reason, I am PRO home spirometry - at any level of device and disease - I think it is going to be a really good thing for my care.
My number 1 goal is to get back stability. I want off the rollercoaster ride I've been on since 2008.