Charles,
Here's a possible explanation.  If you suffered from an obstructed bladder
outlet due to BPH for many years, your bladder developes "pockets", i.e. it
is not completely spherical like a balloon any longer.  After PVP, the
outlet channel is now open but you do not completely empty these pockets.
You have to move around or try a second time to empty completely.  It is a
little annoying but much much better than still having a bladder outlet
obstruction.

Patrick

It seems to be well known that you pee better sitting down. It relaxes
the muscles in that area. Makes it easier for the sphincter to relax
fully.

Most folks can't walk and pee at the same time. Seems to be hard to
isolate control of just some muscles from the other ones.

Ed

hi charles - the PVP had to do with the opening up of the restriction of
the urethra.  what you are describing is something of a different nature
and i might be able to explain it.

this is what happened to me.  my prostate had grown to twice it's size
and it seems like i could go the bathroom and be done, but if i bend
over or sit down i could go more.  as you said, it's something you can
live with, but it is also something new that you've picked up along the
way on the road of life.

at the uro office, they had me lay on the table and did an ultra sound
on my bladder to see how much urine was inside.  then they had me go to
the bathroom and empty my bladder the best that i could.  i stood there
for over two minutes squeezing and doing everything i could to make sure
i got every drop out.  now, i didn't bend or sit like i described in the
first paragraph.  when i was done, i came back out and they did another
ultra sound on me and found that i still had over 30 mil of urine inside
my bladder.  i asked, "how can that be?"  and that is when i found out
that the prostate is so large that it pushed into the floor of the
bladder and causes a lagoon or pocket of urine to form.  if you bend,
sit, or change angle to cause the urine to spill out of it, then you are
able to go some more.  i ask, "well, how bad can this get?"  and was
told that they have seen men holding back more than 200 ml.  

this may or may not be the case in your situation but it was in mine.
hope the info was useful.

~ curtis

knowledge is power - growing old is mandatory - growing wise is optional    
"Many more men die with prostate cancer than of it. Growing old is
invariably fatal. Prostate cancer is only sometimes so."
http://community.webtv.net/PALMER_ENT/doc

I didn't have that one but I did have a couple of wierd things along
the
recovery.

One was about 2-3 months post PVP.  The symptom was that whenever
I stood, I had to go something awful!  Didn't matter whether it was
needed
or not.  I was in panic!

Before I could get a consult, about a week, the symptom subsided.

I'd suggest you not get too worried.  It's like having a teenager... no
two
days are alike and there's not much you can do or figure out.

Now there are no symptoms at all.   Good luck.  Bill Hale