What not to do before a PSA test

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fulltlt
Regular Member


Date Joined Nov 2010
Total Posts : 190
   Posted 12/2/2010 8:28 PM (GMT -6)   
My 6 month PSA test is coming up soon. What do I need to not do before the test?

I know having sex is one of the things but how long before the test do I need to abstain?
age 57 2/2010
PSA 8.2 2/2010
biopsy 2/2010 - 2 of 8 left & 2 of 8 right positive, Gleason 3+4=7
attended support group - advised to get a second opinion
second opinion on pathology from John Hopkins 4+4=8
PSA 15 4/2010 just before IMRT began
5 weeks IMRT 4/2010-6/2010 at Copley Hospital in Aurora, IL
91 implants of palladium 103 7/2010 at Chicago Prostate Center, Westmont, IL
PSA 3.97 10/2010

Purgatory
Elite Member


Date Joined Oct 2008
Total Posts : 23848
   Posted 12/2/2010 8:32 PM (GMT -6)   
2-3 days before the test is the usual to abstain from sex.
Age: 58, 56 dx, PSA: 7/07 5.8, 10/08 16.3
3rd Biopsy: 9/08 7 of 7 Positive, 40-90%, Gleason 4+3
open RP: 11/08, on catheters for 101 days
Path Rpt: Gleason 3+4, pT2c, 42g, 20% cancer, 1 pos marg
Incont & ED: None
Post Surgery PSA: 2/09 .05,5/09 .1, 6/09 .11. 8/09 .16
Post SRT PSA: 1/10 .12, 4/8 .04, 8/6 .06 11/10 Not taking it
Latest: 6 Corr Surgeries to Bladder Neck, SP Catheter since 10/1/9, SRT 39 Sess/72 gy ended 11/09, 21 Catheters, Ileal Conduit Surgery 9/23/10

Jerry L.
Veteran Member


Date Joined Feb 2010
Total Posts : 2298
   Posted 12/2/2010 8:49 PM (GMT -6)   
"Ejaculation, bike riding, or any manipulation of the prostate, such
 as a DRE [digital rectal exam], all have the tendency to raise the
 PSA in the blood. "

TinFoilHat
Regular Member


Date Joined Sep 2010
Total Posts : 51
   Posted 12/2/2010 9:18 PM (GMT -6)   
So if you are inclined to attempt a self administered DRE, don't.

Sorry. That just popped into my head and I thought it was funny.
Jeff

Age: 49 (09/61)

PSAs: 12/08 - 1.8, 12/09 - 2.5, 6/10 - 3.9, 8/10 - 5.7

Biopsy 8/10: 14 samples, 5 positive, Gleason: 3 + 3

open RP 9/23/2010

Post Op Path: Organ contained, Gleason 3+3, nerve bundles spared, negative margin.

6 week post-op PSA < .01

English Alf
Veteran Member


Date Joined Oct 2009
Total Posts : 2062
   Posted 12/3/2010 2:53 AM (GMT -6)   
I've just had a quick search through assorted sources for tips about what to avoid.
48 hours seems to be the consensus when it comes to sex/ejaculation.
A couple of days would also seem about the norm for minor things like cycling, horse riding too.
A DRE is a bit more of an interference so a couple more days.
The big thing to avoid is the doc giving you the DRE first and then drawing the blood.
It takes about 6 weeks for PSA to settle down after a biopsy
And BHP and other infections are a bigger influence still, and may take months to stop affecting the results.

Alf
Born Jun ‘60
Apr 09 PSA 8.6
DRE neg
Biop 2 of 12 pos
Gleason 3+3
29 Jul 09 DaVinci AVL-NKI Amsterdam
6 Aug 09 Cath out
PostOp Gleason 3+4 Bladder neck & Left SVI -T3b
No perin’l No vasc invasion Clear margins
Dry at night
21 Sep 09 No pads daytime
17 Nov 09 PSA 0.1
17 Mar 10 PSA 0.4 sent to RT
13 Apr 10 CT
28 Apr 10 start RT 66Gy
11 Jun 10 end RT
Tired
BMs weird
14 Sep 10 PSA <0.1
Erections OK

Steve n Dallas
Veteran Member


Date Joined Mar 2008
Total Posts : 3957
   Posted 12/3/2010 5:40 AM (GMT -6)   
This question has come up before...I lean towards not doing anything that isn't normal to avoid getting a false positive..

BobCape
Regular Member


Date Joined Jun 2010
Total Posts : 416
   Posted 12/3/2010 8:47 AM (GMT -6)   
Do the same "rules' apply to folks who had their prostate removed and those who didn't regarding sex? Uderstanding that the
physical process is different after rrp.

Casey59
Veteran Member


Date Joined Sep 2009
Total Posts : 3172
   Posted 12/3/2010 10:15 AM (GMT -6)   
BobCape said...
Do the same "rules' apply to folks who had their prostate removed and those who didn't regarding sex? Uderstanding that the physical process is different after rrp.
 
No

fulltlt
Regular Member


Date Joined Nov 2010
Total Posts : 190
   Posted 12/3/2010 3:17 PM (GMT -6)   
Are there things to not eat before a PSA test? I know eating a lot of salty foods
before a blood pressure test will give higher than normal readings.

What about going to the fitness center?
age 57 2/2010
PSA 8.2 2/2010
biopsy 2/2010 - 2 of 8 left & 2 of 8 right positive, Gleason 3+4=7
attended support group - advised to get a second opinion
second opinion on pathology from John Hopkins 4+4=8
PSA 15 4/2010 just before IMRT began
5 weeks IMRT 4/2010-6/2010 at Copley Hospital in Aurora, IL
91 implants of palladium 103 7/2010 at Chicago Prostate Center, Westmont, IL
PSA 3.97 10/2010

Steve n Dallas
Veteran Member


Date Joined Mar 2008
Total Posts : 3957
   Posted 12/3/2010 3:46 PM (GMT -6)   
fulltlt - do you want your "real life" PSA results or do you really want to  temporarily alters its number to give you a false sense of security?

fulltlt
Regular Member


Date Joined Nov 2010
Total Posts : 190
   Posted 12/3/2010 4:18 PM (GMT -6)   
I want a real result that I don't want to be artificially inflated.
age 57 2/2010
PSA 8.2 2/2010
biopsy 2/2010 - 2 of 8 left & 2 of 8 right positive, Gleason 3+4=7
attended support group - advised to get a second opinion
second opinion on pathology from John Hopkins 4+4=8
PSA 15 4/2010 just before IMRT began
5 weeks IMRT 4/2010-6/2010 at Copley Hospital in Aurora, IL
91 implants of palladium 103 7/2010 at Chicago Prostate Center, Westmont, IL
PSA 3.97 10/2010

fulltlt
Regular Member


Date Joined Nov 2010
Total Posts : 190
   Posted 12/4/2010 1:33 PM (GMT -6)   
What about riding a recumbant exercise bike?
age 57 2/2010
PSA 8.2 2/2010
biopsy 2/2010 - 2 of 8 left & 2 of 8 right positive, Gleason 3+4=7
attended support group - advised to get a second opinion
second opinion on pathology from John Hopkins 4+4=8
PSA 15 4/2010 just before IMRT began
5 weeks IMRT 4/2010-6/2010 at Copley Hospital in Aurora, IL
91 implants of palladium 103 7/2010 at Chicago Prostate Center, Westmont, IL
PSA 3.97 10/2010

James C.
Veteran Member


Date Joined Aug 2007
Total Posts : 4450
   Posted 12/4/2010 5:56 PM (GMT -6)   
MY opinion, fulltlt: If you want a regular test, then the regular process is to abstain from sex for 3 days beforehand, no bike riding, including recumbants, no DRE beforehand. If you do this every time, regardless of whether you have a prostate, then you have created a set of conditions that is repeatable and will give you the same condition each time you are tested. Altering things only gives you altered results.
James C. Age 63
Gonna Make Myself A Better Man tinyurl.com/28e8qcg
4/07: PSA 7.6, 7/07 Biopsy: 3 of 16 PCa, 5% involved, left lobe, GS6
9/07: Nerve Sparing open RRP, Path: pT2c, 110 gms., all clear except:
Probable microscopic involvement of the left apical margin -GS6
3 Years: PSA's .04 each test until 04/10-.06, 09/10-.09- Uh-Oh, next in Feb.
ED-total-Bimix 30cc
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