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Another data point is Ed C. in California who has been diving very high PPP2s in his cancer fight. The following is cut from Thurs, Sept 11 ba_diving digest (don't try this at home): To get a medical grade hit of oxygen, I dived with an 80 cu ft tank of 100% O2 at depths of 33-40 feet, six days a week for 6 weeks. Bottom time was 80 to 90 minutes, with 5 minute air breaks every 20 minutes. I was getting a full hour of oxygen off of an 1,800 lb fill at 2.0 to 2.2 ATA's (pretty much "off the charts" in terms of safety). Because of the potential toxicity problem, I was not able to move much. I used two sets of undergarments in my Viking with a pony bottle of argon gas to help keep my body heat. I was using a full face mask with a valve set up that would allow my dive partners to swicth the gas from O2 to air if I went toxic. I started seeing my vision go on the 8th dive [one of the side effest of pure oxygen], but was assured it would return about six weeks after I was off the treatments. About two weeks after the first series of 35 dives, my sight came back better than it left! After a break of 3 weeks, I started up again with a different protocol. This time, tapering the diving mix down to 60% and keeping the ATA's to a max of 1.8. Instead of daily diving, it is now every other day. Bottom time is about an hour, but it is considerably less stressful... especially to my friends who are diving with me! Now, I'm diving a mix of 50/50 staying shallower than 70 feet. Still, I'm careful not to swim too hard. So far, I've logged close to 80 dives since June 1. The current plan takes me to October when I'll get another MRI to see what progress I've made. I'll keep diving until the cancer is gone. After that, I guess I'll just have to keep diving! The good news is the primary tumor is half the size is was and the metastasized tumors have stopped growing completely. I'm feeling healthier and more energetic than I ever have. In addition, the diet and activity has helped me shed about 50 pounds of fat and 90 points off my cholesterol. Not bad since it was supposed to be "too late for surgery" back in May! In message <346BD4FA.7041BB6B@cy*.ne*> writes: > On the subject of the chamber, > > If any of you folks doubt the narcotic properties of O2: > > I recently had a chance to participate in three chamber rides in Houston, TX. > The first time down, somewhere between 40 and 60' on pure O2, I got higher > than > a kite. Stupid. Made my widest nitrogen induced drool-faced grin look like a > mere smirk. I'm talking silly. The attending nurse said she sees it all the > time when I asked her about it later. > > john.r.strohm@BI*.co* wrote: > > > The guest speaker at the local dive club last night was Dr. Jeff Stone, > > director of the hyperbaric chamber at Presbyterian Hospital here in Dallas. > > His talk was about wound treatment using adjunct hyperbaric oxygen > > therapy. > > > > One of his slides showed their standard treatment profile. A patient > > typically does 10 treatments. > > > > 45 fsw. 30 min on 100%O2, 5 min air break, 30 min on 100%O2, 5 min air > > break. O2 is given in a mask or in a hood. > > > > He even had the number on another chart: 2.4 ata ppO2 > > > > When I asked, he said they saw CNS oxygen toxicity hits about 1 out of > > every 15,000 treatments. He added that a lot of chambers just kept the > > patient on pure O2 at 45 fsw, but they did the air breaks specifically to > > reduce the risk of CNS ox tox. > > > > This may or may not have any relevance to diving in water as opposed to in > > a dry chamber. > > -- > > Send mail for the `techdiver' mailing list to `techdiver@aquanaut.com'. > > Send subscribe/unsubscribe requests to `techdiver-request@aquanaut.com'. > > > > -- > Send mail for the `techdiver' mailing list to `techdiver@aquanaut.com'. > Send subscribe/unsubscribe requests to `techdiver-request@aquanaut.com'. ------------- Dick Barker dickb@es*.co* http://www.eskimo.com/~dickb/ Are you qualified to join OFDA? http://www.eskimo.com/~dickb/ofda.html San Juan Isl Dive Charter? http://www.eskimo.com/~dickb/starfire.html -- Send mail for the `techdiver' mailing list to `techdiver@aquanaut.com'. Send subscribe/unsubscribe requests to `techdiver-request@aquanaut.com'.
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