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Sticky1
Posted: 25 Oct 09


Posts: 539
Location: Within a stone's throw of Agatha Cristie's grave
I don't know if anyone else here donates platelets regularly, but I'm looking to draw on your collective wisdom...

...After I donate, I notice a dip in my running. Not so much with pace, but more how I feel, basically more tired and with even more creaks and groans than usual Wink . I have done some reading around this on the internets and the verdict seems to be that Platelet donation shouldn't affect your running in the same way blood donation does.

Any thoughts...?

Cheers,
Phil

PS It's not going to stop me giving, but I am looking at the timing of donation sessions (you can give as often as every 4 weeks, unlike blood donation). Oh, if you think you can spare 2hours and 500ccs of platelets every now and again - do it!! you could save 10 babies or 3 adults with each donation ThumpUp

Jogging is very beneficial. It's good for your legs and your feet. It's also very good for the ground. It makes it feel needed. ~Charles Schulz, Peanuts
Ich sehe gerne zu, würde aber lieber nicht selbst mitmachen
boingo
Posted: 26 Oct 09


Posts: 125
Location: United States
Hi there,

I have not donated platelets since I started running, just whole blood, so I am not sure specifically about the platelets. I might try it next time though. If I do I will let you know.

I normally do my running a few hours before my donation, take the rest of the day and the next off, then back to running the day after that. I haven't noticed any real difference at that point. I usually feel like I am good to go the morning after the donation, but they recommend no strenuous activity for 24 hours, so I listen to them and try to be "a good boy".

Boingo
mtbikernate
Posted: 10 Nov 09


Posts: 13
Location: Texas, United States
I'd like to thank you for donating. In my leukemia treatment, I've needed platelet transfusions more than anything. Though to be honest, I have received as many as 4 units of platelets in one visit, and as many as 8 units in between chemotherapy treatments.

As for the mechanics behind donating, you may be experiencing a drop in blood volume and by default, blood pressure and stroke volume after a donation cycle. Which basically means your heart pumps less volume of actual blood with each beat. Seems counterintuitive at first, when you think that the remaining cells (mostly red cells) would be more dense and be able to transport more O2 per unit volume, but the lower pressure is what creates the effects you notice.

Now that I think about it more...how much plasma are they returning to you and how much do they keep? Because there is some amount of glucose that circulates your bloodstream and it could be a reduction in these available calories that you're noticing.

Most folks aren't all that active and the differences are going to be pretty small. But for someone who's active at a high level, those small changes are going to result in more noticeable differences.

I would suggest frequently monitoring bp before and after a donation cycle (think multiple times per day for a couple days) to quantify the difference in blood volume somehow. And try juicing yourself with a bit of simple carbs to replace any possibly lost blood glucose from the procedure.

I am not allowed to donate any blood products, even before I got the cancer. Because when trying to donate any blood products, I experience a SIGNIFICANT blood pressure drop and nearly pass out. This has happened multiple times. Nobody knows why. It's not needles or pain...it's something with the donation process...the removal of cells (or even just the plasma). Yeah, I've even had this problem when I donated plasma and got my cells back.

The GPS Geek
Sticky1
Posted: 10 Nov 09


Posts: 539
Location: Within a stone's throw of Agatha Cristie's grave
Thanks for the feedback....I'm feeling a little guilty because I had to duck today's appointment because I've had a bad cold all week.

mtbikernate
It's always good to hear how these donations affect other peoples lives (even if you are safely far enough away not to have received any of my personal donations Wink ).

I am going again later this month, so I'll try your suggestions....Apart from maybe the blood pressure measurements as I don't have all the equipment for that.


PS at my last donation the nurse made my day by asking "Are you a runner?" while taking my pulse because it was so slowBlushing

Jogging is very beneficial. It's good for your legs and your feet. It's also very good for the ground. It makes it feel needed. ~Charles Schulz, Peanuts
Ich sehe gerne zu, würde aber lieber nicht selbst mitmachen
boingo
Posted: 10 Nov 09


Posts: 125
Location: United States
I am going on Thursday.

mtbikernate, it is good to hear that the donations are useful. Makes it all seem worth it. :-)

Is running a half marathon 2 days after donating a bad idea?

Boingo
mtbikernate
Posted: 10 Nov 09


Posts: 13
Location: Texas, United States
boingo wrote:
I am going on Thursday.

mtbikernate, it is good to hear that the donations are useful. Makes it all seem worth it. :-)

Is running a half marathon 2 days after donating a bad idea?

Boingo


I'd imagine a couple days ought to be okay as long as you're replenishing fluids and eating well. Platelets are the first blood cells my body starts to crank out. I can go from 4k platelets to 130k platelets (on a CBC) over the course of a week or two....or go from critically low to low-normal range, and the higher they get the faster the count rises. The 'normal' range for platelets is huge...about 150k to 440k on a CBC. A donation will not take you out of the normal range. And since platelets don't do much other than help you clot, you'll be fine if you hydrate well and eat well.

You could try asking the folks where you donate, but I doubt they'll know much. You'd have to ask a doctor if you wanted a professional opinion...and preferably one with some training/experience on the matter. A podiatrist recently wanted to surgerize my foot for an ingrown toenail...when my platelet counts were 5k and I was going to get a transfusion in the afternoon. He said, "oh, just come in after you get your transfusion and I'll fix you right up" as though I could actually stop bleeding when he cut my toenail off. Idiot.

The GPS Geek
bryan187
Posted: 10 Aug 13


Posts: 1
Location: United States
I am a regular donor of platelets and I too notice a marked decrease in performance the day after. I was told by other runners that since they don't collect red blood cells in the donation that it should not affect performance. That hasn't been the case for me. The day after my first donation I ran a 5K and had no problems till the third mile. It was like someone pulled a plug and I had nothing left. Since I give every 14 days I had to find a way to work around it.

What works best for me is giving in the morning when I'm well rested then taking the entire next day off from exercise. I can then run the following day with no adverse effects for about 9 miles. After that point I hit the wall again and it completely saps my strength. I don't have any studies to back it up but I believe it has more to do with available sugar than it does O2 delivery. I can still breathe fine but my legs turn to stone.

I would love to be able to run right before I give but if I'm not totally hydrated when I go to donate I have a problem with the vein collapsing and not only is that painful but depending on just where you are in the donation process it can block you from donating for weeks and weeks.

Although it may cut into training time for a couple of days every two weeks it's worth it. Platelets can be drawn from whole blood donations but it takes 8 to 12 whole blood donations to make up just one unit of platelets. Platelet donations are only good for 4 days so the blood banks are in constant dire need. The hour and a half to two hours it takes to give can save up to 12 lives if you can give a triple donation.
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