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Nathan Goodyear

Testosterone deficiency and cardiovascular mortality Morgentaler A, - Asian J Androl - 0 views

  • overall mortality and CV mortality were inversely associated with serum T concentrations.
  • men with low serum T, defined as < 8.7 nmol l−1 (250 ng dl−1 ), demonstrated significantly greater all-cause mortality than men with higher serum T (hazard ratio [HR]: 2.24; 95% CI: 1.41-3.57), as well as greater CV mortality
  • lower T levels were significantly associated with the presence of any CV disease
  • ...19 more annotations...
  • more than 30 years of studies suggesting that low levels of T represent an increased risk for CV and overall mortality,
  • lower serum T concentrations also are associated with CV disease, including incident coronary artery disease [17],[18],[19] and atherosclerosis,
  • the actual rate of adverse events was only half as great in the T group (123 events in 1223 men at risk = 10.1%) as in the untreated group (1587 events in 7486 men = 21.2%)
  • The study by Vigen et al. [7] has already undergone two published corrections,
  • 29 medical societies have called for retraction of the article, asserting "gross data mismanagement and contamination," that rendered the study "no longer credible
  • Mortality in T-treated men was reduced by approximately half in treated men compared with untreated men, at 10.3% versus 20.7%, respectively
  • The mortality rate for men who received TTh was 3.4 deaths per 100 person-years, and 5.7 deaths per 100 person-years in untreated men
  • HR of 0.61 (95%CI: 0.42-0.88; P = 0.008), indicating a significant reduction in mortality with TTh
  • men in the highest prognostic MI risk quartile, treatment with TTh was associated with reduced risk
  • tripling in T prescriptions in the US over the last decade
  • a majority of observational studies have found that low endogenous serum T levels are associated with increased mortality.
  • Men who received TTh were able to exercise significantly longer without ischemia compared with men who received placebo
  • In men with congestive heart failure, those who received T demonstrated greater walking distance and other functional endpoints compared with those who received placebo
  • TTh has been shown uniformly and repeatedly to improve several known CV risk factors, including reduced fat mass, body fat percent, and waist circumference, and increased lean mass
  • improved glycemic control
  • reductions in insulin resistance.
  • the evidence strongly points to improved CV status with normal serum T or treatment with TTh in men with TD
  • analysis of health insurance claims data that reported a 36% increased rate of nonfatal MI in the 90d following receipt of a T prescription compared with the 12 prior months.
  • Comparison with men who received a prescription for a phosphodiesterase type 5 inhibitor (PDE5i) revealed no increased rate of MI following the prescription
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    Great review by Morgentaler of Testosterone and CVD.  He highlights the significant flaws in the JAMA and the NEJM articles of Testosterone therapy risks.  Morgentaler highlights the significant evidence that points to low T and increased risk of CVD. On contention I have, is Morgantaler seems to flip aside the massive uptick of Testosterone use in the US as compared to other countries.  The evidence definitely points to Testosterone therapy as being safe in those with low T, but there is definitely a problem of significant Testosterone doping that is taking place as well.
Nathan Goodyear

Abstract 3608: Lipoprotein (a) Cholesterol, But Not Lp(a) Mass, Is An Independent Predi... - 0 views

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    Lipoprotein (a) cholesterol is a better predictor of CAD and CVD events than Lipoprotein (a) mass.
Nathan Goodyear

Risk of major cardiovascular events in patients with psoriatic arthritis, psoriasis and... - 0 views

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    Abstract: Inflammatory diesease (psoriasis and RA in this study) associated with increased cardiovascular events.
Nathan Goodyear

Natriuretic Peptide Testing in Heart Failure - 0 views

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    BNP and NT-proBNP associated with HF and worsening HF.  Also, in the same setting, elevated BNP and NT-proBNP is found to be associated with increased cardiovascular events and mortality.
Nathan Goodyear

Prevention of coronary and stroke events with atorvastatin in hypertensive patients who... - 0 views

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    Only abstract available here, but atorvastatin associated with a reduction in cardiovascular events but also associated with increased risk of diabetes.
Nathan Goodyear

ERβ Inhibits Proliferation and Invasion of Breast Cancer Cells - 0 views

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    Estrogen Receptor Beta shown to inhibit growth and spread of breast cancer cells.  So, ER-beta should be evaluated to not only prevent/slow the growth of breast cancer, but to prevent the spread of breast cancer.  This study proposes that the loss of ER-beta is a seminal event in the development of breast cancer.
Nathan Goodyear

Relationship Between Healthy Diet and Risk of Cardiovascular Disease Among Patients on ... - 0 views

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    This study proves that the foundation of our current health problem is our diet.  Eat better!  In this study, individuals with CVD, had a significant reduction in recurrent CVD events with a simple change in diet.  The amazing thing it was above and beyond that of medications.
Nathan Goodyear

C-Reactive Protein, the Metabolic Syndrome, and Risk of Incident Cardiovascular Events - 0 views

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    CRP is prognostic for metabolic syndrome.
Nathan Goodyear

Evidence for hyperoestrogenaemia as a risk factor for... [Lancet. 1976] - PubMed - NCBI - 0 views

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    This is just an abstract due to the publication date.  However, this study, though small, found that elevated estradiol and estrone levels preceded myocardial infarctions in small study group (15).  The surprise was that physical symptoms of slow beard growth, loss of libido, and gynecomastia preceded the events.  Also, the testosterone levels were normal.  Got that: elevated estrogen levels with normal testosterone levels result in significant symptoms.
Nathan Goodyear

Psychoendocrine and physical performan... [Aggress Behav. 2008 Nov-Dec] - PubMed - NCBI - 0 views

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    Rugby training resulted in a decrease in T:C salivary ratio through a decline in resting testosterone level.  In contrast, competition events increased the T:C ratio primarily through an increase in Cortisol production.
Nathan Goodyear

Changes in cortisol and testostero... [J Sports Med Phys Fitness. 2000] - PubMed - NCBI - 0 views

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    long endurance competitive events associated with catabolic hormone balances found in a low T:C ratio.  This occurs primarily through an elevation in cortisol and small drop in Testosterone.  The recovery phase is anabolic through a rise in T:C, primarily through a return to baseline by cortisol and an increase in Testosterone.
Nathan Goodyear

Huperzine A for Alzheimer's disease. [Cochrane Database Syst Rev. 2008] - PubMed - NCBI - 0 views

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    Review of 6 trials on 454 patients found Huperzine A improved cognition and executive function with no serious adverse events in patients with Alzheimer's disease.  Yet, their conclusion is, "...inadequate evidence to make any recommendation..."   Does it improve executive cognitive function?   Yes.  Does in have serious side effects?  No.  And we are waiting on...?
Nathan Goodyear

Residual adverse changes in arterial endothelial fun... [Ann Med. 2007] - PubMed - NCBI - 0 views

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    could the flu vaccine cause a short-term increase in cardiovascular event risk?  According to this study yes.  So, with a recent study showing no benefit in children and adults, then with this finding of increased arterial dysfunction, increased CRP and fibrinogen, and increased LDL oxidation...why would an adult get the flu vaccine??? The focus should be on what the science shows, not an individuals bias!
Nathan Goodyear

Emergency Department visits for Adverse Events related to dietary supplements - 0 views

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    new study finds increase AE and ER with supplements at 22,000 annually; in contrast, 700,000 ER visits due to prescription drugs annually according to CDC--with 120,000 hospitalized.
Nathan Goodyear

Assessment of the safety of supplementation with different amounts of vitamin E in heal... - 0 views

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    Vitamin E supplementation in individuals >65 for 4 months on dosing up to 800 IU not found to have adverse events as described as decreased platelets, prolonged bleeding time, lower hemoglobin/hematocrit...
Nathan Goodyear

Multivitamin Use and the Risk of Cardiovascular Disease in Men. - PubMed - NCBI - 0 views

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    multivitamins associated with a decreased risk of major CVD events in 20 prospective study.  This is likely a component of a healthy lifestyle, but still shows that MVA use does have positive effects over all long duration.
Nathan Goodyear

Association of handgrip strength to cardiovascular mortality in pre-diabetic and diabet... - 0 views

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    Handgrip strength test is found to be associated inversely with mortality and cardiovascular events in men and women with diabetes and glucose dysregulation.  Strength is more predictive of morality in men versus women, but this study finds predictive value for both.
Nathan Goodyear

The gut-liver-axis: Endotoxemia, inflammation, insulin resistance and NASH - 0 views

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    metabolic endotoxemia starts with what you eat.  Chronic over nutrition results in elevated LPS. This starts a cascade of events that results in inflammation.  A well balanced gut flora of bifidobacterium is one way to slow this trigger.
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