Yes, I am on O2 full time - 5 liters at rest and 6-8 when exercising. It's pretty annoying b/c the concentrators for the portable oxygen only go up to 5 liters, so I can't really exercise outside of pulmonary rehab and take a lot of rests when walking around/grocery shopping/doing things on weekends. But, you get used to it.....everything is just a slight adjustment! So my doctor prefers that I am above 92%, but 90% seems to be the norm. I drop below 90 if I'm off oxygen for more than probably 2 minutes.
I only grow aspergillus, so I guess my flare ups are contained. I mostly stay home and am a total frequent hand washer, so I tend not to pick up bugs anywhere...my husband hardly gets sick, and I have no kids to bring home infections =)
What transplant center are you attending? I appear VERY healthy..I look the same as my photo except I wear oxygen, so it is very deceiving! I did look like the healthiest person at my seminars, too, but a lot of ppl were old with COPD and they ARE going to look sick! However, the way I see it, the LAS really controls when your body is 'ready' to get new lungs. If all the tests get me to an LAS that makes it be my turn, then so be it....that is what the score is for. I've been LAS = 38.1 for 9 mo. now and I still haven't gotten the call. Does your tx team give you any indication of past wait times for certain scores? My team says once you hit 40, you should start preparing for a call.
Having said that, now that you mention children are involved, I can see why you are more hesitant to just being listed at this point. If you are still managing okay, I can fully understand why you would not want to rush into transplant, which as we know, has risky outcomes. This is a dilemma! Do you have a wife/girlfriend that has an opinion?
I can see why your doctor is concerned about back to back IV's. You don't want to become resistant to antibiotics, there are only limited drugs that they can treat with. Wondering, if you do develop resistance, could that affect your ability to be listed? Have you ever been tested for MAC? When I was waaaaay fatigued and useless a few years back, MAC tests came back positive (I've since treated it). I have had 2 adult CF docs, and each of them said regardless if I have fevers or dropping PFT's, that how I feel overall is also just as important to detect an exacerbation. A lot of times my PFT will be stable, but I will just "feel worse" for a week or two - and I just know it's time....I was taught not all symptoms need to be tangible or measurable. But then again, I wasn't asking for 5 IV's a year =). Have you ever considered a second opinion from another CF center/doctor?
It seems like you need to ask yourself what other limitations would you consider before you get listed (ie, once I'm on oxygen f/t, I will list....etc.). What is your threshold... Second, CF sneaks up on you, as most of us know, and what if you get an infection that really makes you sick and you're not listed - it's possible you may not get the chance to get new lungs. I know this is very morbid and hard to think about.
Believe me, there are days where I doubt my decision to be listed, like, "I feel really good today, would I be ready if they called me tomorrow?"....but I just put it out of my mind. I can't dwell on that or I would go crazy. I trust that I made an educated decision, supported by my family and I just have to accept the decision I made. It's really hard, but I literally focus only on the next minute of my life and enjoy that as much as possible.
I hope you can come to a resolution that will take away some of your stress. Again, if you feel like spilling your guts to someone who understands, I'd be willing.