Quote from: King Phoenix on May 09, 2016, 05:12:02 PM
The bad news is that T can indeed cause blood clots. Not directly, though. Polycythemia (increased blood count) and conversion to estrogen can lead to DVTs.
E alone doesn't increase risk of clots,
if anything you will have less E on TRT than before. This claim doesn't hold up in the face of this fact. High levels of E in men aged 49-91 showed no relation to an increase in risk in clots, up to 700 pg/ml which are MUCH higher than levels you will have on T. Pregnant women with levels up to 75,000 pg/ml have a clot risk of less than 0.2%. My levels are in the range of 1,000-4,000, clotting times remain normal.
E becomes problematic when it is not BIO-IDENTICAL and when taken orally, none of these apply to you. Such an explanation coming from scientists and doctors who should know this information surprises me, to be honest with you.
As far as increased blood count increasing risk of clots, I have no clue. But, then, aren't all men in their teens, 20's, 30's at risk of getting clots and do we deny them T for this reason if we find they are genetically predisposed or castrate them?
QuoteThe good news is that I can get T on a low dose to avoid the estrogen conversion, DVTs and may or may not have to start taking light Aspirin to prevent clotting.
Transmen take high doses of T and their E levels remain VERY low. Same holds true for genetic men who have very high levels of T early in their lives and yet E remains at around 10-40 pg/ml, at most 90-100 pg/ml. 7 times that amount in men have shown no risks, 750 times that amount equals to risk of clotting of less than 0.2%.
Whether aspirin is indeed useful for prevention of clotting is still debatable (affects arterial clotting more than vein, platelets) and if not needed, can irritate intestines and cause ulcer, long-term.
As always, I'm not a doctor but I thought it be important for you to have this information at hand so as not to be in the dark and have a constructive discussion with those treating you.
Quotehe was so certain about T causing DVTs that he said he did not need to see them.
In my opinion, not a good sign. Openness to diverging info is a quality that is required of any doctor and strengthens their knowledge base. Anyone who is too sure of themselves and refuses to see other evidence cannot evolve and become better. I would have personally asked for a second opinion. Doctors can be wrong (they are human) and even amongst doctors, there is disagreement about many issues.
Happy you got your T but still...
Fertil Steril. 2010 Mar 1;93(4):1267-72."VTE during cross-sex hormone therapy is rare. General screening for thrombophilic defects in transsexual patients is not recommended. Cross-sex hormone therapy is feasible in MtF as well as in FtM patients
with aPC resistance."
J Clin Endocrinol Metab. 2003 Dec;88(12):5723-9."Testosterone administration to female-to-male transsexuals had an antithrombotic effect."Endocr Pract. 2013 Jul-Aug;19(4):644-50.None of the 50 transmen in this study developed blood clots.