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Nathan Goodyear

Low Dehydroepiandrosterone Sulfate is Associated With Increased Risk of Ischemic Stroke... - 0 views

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    Lower DHEAS, not below normal, levels associated with increased risk of ischemic stroke in women when compared to higher DHEAS levels.
Nathan Goodyear

Risk of Myocardial Infarction in Older Men Receiving Testosterone Therapy - 0 views

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    This study appears to fly in the face of the recent studies on the dangers of Testosterone therapy in those with comorbidities.  This study was a retrospective cohort.  The study found that men in the highest risk for MI, had a reduced MI risk with Testosterone therapy.  Men in the lower risk quartiles had no such benefit.  Of note, the frequency of injections suggests inadequate dosing i.e. 4.4 in first year and 8.2 in follow up.  Most injection regimens will require at least monthly injections, though Testosterone pellets were used.  Of special note, no mention of level testing of Testosterone prior to study and/or during study and follow up.
Nathan Goodyear

Androgen Deprivation Therapy and the Re-em... [Oncol Hematol Rev. 2014] - PubMed - NCBI - 0 views

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    Sometimes I think medicine has lost its mind.  Or at least, it is not thinking things through.  To give IV estrogen to decrease Testosteorne in men with prostate cancer is devoid of the pathophysiology of prostate cancer and cardiovascular disease in men.  Elevated Estradiol in men increases CRP, IL-1beta, and TNF-alpha to name a few cytokines.  The proported purpose of the IV estrogen is to prevent the cardiovascular complications associated with ADT.  Yet, elevated aromatase activity and low T in men are both shown to be associated with increased CVD in men.
Nathan Goodyear

Marked Testosterone Deficiency-Related Symptoms Ma... [J Sex Med. 2014] - PubMed - NCBI - 0 views

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    The more severe the symptoms, the more the increased risk of CVD in men with low T.
Nathan Goodyear

Healthy Lifestyle Change and Subclinical Atherosclerosis in Young Adults - 0 views

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    For so many, lifestyles are seen as unobtainable and of limited benefit.  This study proves otherwise.  This study found that lifestyle changes made in middd-life were associated with a decrease in cardiovascular disease.  Equally important, many were found to be able to implement said lifestyle changes--this flies in the face of what a lot of physicians believe.
Nathan Goodyear

http://download.springer.com/static/pdf/189/art%253A10.1007%252Fs12020-014-0327-6.pdf?a... - 0 views

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    Nice review of GH hormone and its positive role in the cardiovascular system.
Nathan Goodyear

Clustering of metabolic and cardiovascular risk f... [Metabolism. 2014] - PubMed - NCBI - 0 views

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    When you look at PCOS in women, it is really just the early manifestation of Metabolic Syndrome.  PCOS no longer needs to be viewed through the prism of hormones and/or infertility but the means through which disease will walk.
Nathan Goodyear

Carotid artery intima-media thickness and erec... [Med Sci Monit. 2014] - PubMed - NCBI - 0 views

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    The full pdf is available for free download.  ED should be used as a marker for cardiovascular disease.  This study, though small, of turkey men found low T to be a prominent feature of MetS.
Nathan Goodyear

Association of sympathovagal imbalance with cardi... [Endocr Res. 2014] - PubMed - NCBI - 0 views

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    Interesting study looked PCOS and the sympathetic vagal system and cardiovascular disease risk. They found that those with PCOS were found to have sympathovagal imbalance and decreased HRV.  Low HRV has been clearly associated with increased cardiovascular disease.  They also found insulin resistance and dyslipidemia to be associated with sympthovagal imbalance and cardiovascular risk as well.
Nathan Goodyear

Testosterone Dose-Response Relationships with Cardiovascular Risk Markers in Androgen-D... - 0 views

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    Study finds no worsening in cardiovascular biomarkers in women on Testosterone.  The women in this study were chose due to low Testosterone.  Testosterone was given IM at 4 different doses.  This is in contrast to other studies that have looked at endogenous Testosterone level.  Studies have shown increasing endogenous T levels in women is associated with increased CVD.  Studies on exogenous are lacking.  This points to limited risk associated with CVD and T therapy in women.  

    One caveat.  Two of the authors of this study have ties to the maker of the Testosterone enanthate used in this study.  Why is this important?  Prior studies have shown significant decrease in adverse event reporting in those funded by pharma--bias.
Nathan Goodyear

Testosterone therapy not associated with myocardial infarction, stroke | Endocrinology - 0 views

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    Retrospective study finds no increase in new MI and/or stroke in men with Testosterone therapy.  There are some men that Testosterone therapy is cardioprotective and some that are not.
Nathan Goodyear

A reverse J-shaped association of leisure time physical activity with prognosis in pati... - 0 views

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    Increased risk of cardiovascular events and all-cause mortality is highest in the least active population in those with coronary heart disease.  However, those with the highest, strenuous physical activity were also at increased risk--though less than the inactive group.
Nathan Goodyear

Cardiovascular Diabetology | Full text | Improvement of the diabetic foot upon testoste... - 0 views

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    Case report of 3 cases finds improvement in diabetic foot complications, including neuropathy, in men treated with Testosterone.  This makes sense as the Testosterone will improve insulin function, improve HgbA1c and reduce inflammation in these men.
Nathan Goodyear

Testosterone and the Cardiovascular System: A Comprehensive Review of the Clinical Lite... - 0 views

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    Some startling statistics in this 2013 review on Testosterone in men.  Studies reflect an inverse relationship between Testosterone and CAD severity.  That is, the lower the Testosterone levels, the increase in severity of CAD. This same association was also found with CHF.  Low Testosterone is common in those with CAD, CHF, type II diabetes, increased IMT in carotids and aorta, and obesity when compared to "healthy" individuals.  Testosterone therapy in those with CAD found benefits: prolongation of ST segment depression, coronary vasodilation, improved exercise capacity in those with CHF, shift to type I muscle fibers, shorten the QTc interval.  Testosterone therapy has been shown to improve insulin resistance, improve HgbA1c and decrease waist circumference and fat loss in obese individuals.  Otherwise, a good review of the association between a declining Testosterone and cardiovascular disease.
Nathan Goodyear

Toxic Effects of Mercury on the Cardiovascular and Central Nervous Systems - 0 views

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    Good review of the toxic effects of Hg on the CNS and cardiovascular system.
Nathan Goodyear

Sex steroids and cardiovascular disease - 0 views

  • T circulates bound with high affinity to sex hormone binding globulin (SHBG) and with lower affinity to albumin, with a small fraction unbound or free
  • Levels of SHBG are higher in older men, therefore levels of free T decline more steeply than total T as men's age increases
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    Previously posted article.  The journal changed the URL
Nathan Goodyear

Late-Onset Hypogonadism and Mortality in Aging Men: The Journal of Clinical Endocrinolo... - 0 views

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    severe hypogonadism was associated with a 5 fold increase risk of cardiovascular mortality and all cause mortality in men ages 40-79 in European study.
Nathan Goodyear

Subclinical Hypothyroidism, Weight Change, and Body Composition in the Elderly: The Car... - 0 views

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    Study found no significant effect of subclinical hypothyroidism on weight in the elderly.  However, higher free T4 levels were associated with lower baseline weight and weight loss in women. TSH and free T3 were not. associated.
Nathan Goodyear

Testosterone, aging and s... [Curr Opin Endocrinol Diabetes Obes. 2014] - PubMed - NCBI - 0 views

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    Another review study.  Low Testosterone is associated with increased CVD in men.  However, some studies have suggested an increase in CVD with men using exogenous Testosterone therapy.  Is Testosterone the cause of CVD in men?  Likely, low T is a
Nathan Goodyear

Testosterone and cardiova... [Curr Opin Endocrinol Diabetes Obes. 2014] - PubMed - NCBI - 0 views

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    Review of recent articles suggest increased risk of cardiovascular disease in men. The issue at hand is the cause is not being treated and thus the Testosterone is fuel on the metabolic fire and the doping dose that most men receive.
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