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Nathan Goodyear

Diabetology & Metabolic Syndrome | Full text | High plasma uric acid concentration: cau... - 0 views

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    Uric acid and its role in metabolic syndrome.  The elevated uric acid is likely the result of the metabolic dysfunction that leads to metabolic syndrome.
Nathan Goodyear

Fifty- two-Week Treatment With Diet and Exercise Plus Transdermal Testosterone Reverses... - 0 views

  • there appears to be a positive correlation between serum testosterone levels and insulin sensitivity in men across the full spectrum of glucose tolerance (Pitteloud et al, 2005), and this relationship is at least partially direct and not fully dependent on (changes in) elements of the MetS
  • supervised D&E alone led to significant improvements in testosterone concentrations, glycemic control, and components of the MetS
  • diet control, exercise, and testosterone supplementation may be beneficial in the management of men with T2D
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  • androgen-deprivation therapy in males with prostatic cancer may be associated with an increased risk for T2D, which may be caused by negative effects on insulin sensitivity
  • insulin sensitivity, measured by HOMA, improved in both groups and with a significantly greater degree when testosterone was added to supervised D&E
  • Fasting insulin concentrations, a good representative of insulin sensitivity, did show a significant correlation with changes in circulating androgen levels, an observation in support of Pitteloud et al (2005), who showed a direct relationship between insulin sensitivity and circulating testosterone concentrations using the hyper-insulinemic euglycemic clamp technique
  • 52 weeks of testosterone treatment also significantly improved circulation levels of adiponectin and hsCRP, key serum markers of insulin sensitivity and hepatic steatosis
  • The changes in both adiponectin and hsCRP were significantly correlated with the therapy-induced changes in bioavailable testosterone
  • a negative correlation was found between hsCRP levels and bioavailable testosterone
  • serum PSA concentrations did not differ between the 2 treatment groups, indicating that short-term testosterone administration appears to be acceptably safe
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    Study of men with metabolic syndrome and type II Diabetes finds that diet and exercise alone improved glucose control and metabolic syndrome components by 31%.  The addition of Testosterone therapy increased this % to 81%.
Nathan Goodyear

BMC Endocrine Disorders | Full text | The prevalence of metabolic syndrome and metaboli... - 0 views

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    metabolic syndrome incidence in Europe far below that of the US.  One of the primary driving forces of MetS is obesity.
Nathan Goodyear

Low Sex-Hormone Binding Globulin is Associated with the Metabolic Syndrome in Postmenop... - 0 views

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    low SHBG in post-menopausal women correlates with increased risk of metabolic syndrome.  More than that, there is an inverse correlation with SHBG in women and metabolic syndrome components.  Also, Increasing components of MetS was correlated with Testosterone and free androgen index.
Nathan Goodyear

Sex Hormone-Binding Globulin and Insulin-Like Growth Factor-Binding Protein-1 as Indica... - 0 views

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    SHBG decreased in hyperinsulinemic states, such as in metabolic syndrome.  Low Testosterone has proven to be the same, though not looked at in this study.   Also, in this study, low SHBG is associated with increased cardiovascular mortality.
Nathan Goodyear

Inflammation as a Link between Obesity and Metabolic Syndrome - 0 views

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    inflammation shown to play a critical role in disease.  Here obesity causes inflammation, but obesity is the result of inflammation.  This then leads to metabolic syndrome, through which disease starts.
Nathan Goodyear

Metabolic Syndrome ePoster - 0 views

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    Great pictorials of the biochemistry of metabolic syndrome.
Nathan Goodyear

Gender differences in serum high-molecular-weight adiponectin levels in metabolic syndrome - 0 views

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    correlation of low adiponectin and metabolic syndrome is higher in women than men.
Nathan Goodyear

Metabolic Syndrome and Urologic Diseases - 0 views

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    Inflammation, TNF-alpha and IL-1B, reduces testosterone production.  Metabolic Syndrome, an inflammatory disease, shown to be associated low Testosterone.
Nathan Goodyear

Radioimmunoassay and Tandem Mass Spectrometry Measurement of Bedtime Salivary Cortisol ... - 0 views

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    LC-MS/MS shown to be reliable in salivary cortisol evaluation.  Obese individuals create special challenges with regards to coritsol levels, due to peripheral cortisol to cortisone conversion.   This study points out that saliva should not be used solely in the diagnosis of Cushing's syndrome due to unreferenced norms.   That however, doesn't nullify salivary cortisol.  It requires a look at the references.  for those that are obese and being evaluated for cushing's.  There is no perfect test.  T This study is a little misleading in its conclusion.  Salivary testing is valid, but the reference ranges in the obese with suspected cushing's syndrome needs further evaluation: according to these authors.
Nathan Goodyear

Study suggests nut consumption benefits for metabolic syndrome - 0 views

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    Got metabolic syndrome: get alittle nutty, or just eat nuts.
Nathan Goodyear

Effects of testosterone supplementation on markers of the metabolic syndrome and inflam... - 0 views

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    Testosterone replacement found to reduce inflammation (Il-1B, TNF-alpha, and CPR) in men with metabolic syndrome.  Testosterone was also shown to reduce insulin and leptin as well.
Nathan Goodyear

The Dark Side of Testosterone Deficiency: I. Metabolic Syndrome and Erectile Dysfunctio... - 0 views

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    Article reviews the link between obesity, low T, metabolic syndrome and ED.  ED has been shown to be predictive of CVD by 3-5 years.  
Nathan Goodyear

Higher Serum Testosterone Concentration in Older Women is Associated with Insulin Resis... - 0 views

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    This study found that increasing Testosterone, as determined by serum, is associated with increased CVD, insulin resistance, and metabolic syndrome in postmenopausal women.  I believe that this massive Testosterone doping campaign that we are seeing in men and women is following the same patter seen with premarin and provera. 
Nathan Goodyear

Inverse Association of Testosterone and the Metabolic Syndrome in Men Is Consistent acr... - 0 views

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    Total Testosterone and SHBG inversely associated with Metabolic Syndrome.
Nathan Goodyear

Aging, Androgens, and the Metabolic Syndrome in a Longitudinal Study of Aging: The Jour... - 0 views

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    Study finds Total Testosterone and SHBG inversely associated with Metabolic Syndrome.  Free Testosterone and BMI were positively associated with MetS.
Nathan Goodyear

Testosterone deficiency syndrome and cardiovascular health: An assessment of beliefs, k... - 0 views

  • The vast majority (88%) did not screen cardiac patients for TDS.
  • Testosterone deficiency has a prevalence of 7% in the general population, rising to 20% in elderly males
  • Males with CAD have lower testosterone levels than those with normal coronary angiograms of the same age,5 suggesting that the prevalence of testosterone deficiency is much higher in the CAD population
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  • Men with hypertension, another established risk factor for CAD, have lower testosterone compared to normotensive men
  • Recent meta-analyses showed that testosterone levels are generally lower among patients with metabolic syndrome, regardless of the various definitions of metabolic syndrome that are used
  • Testosterone (total and bioavailable) and sex-hormone binding globulin (SHBG) are inversely associated with the prevalence of metabolic syndrome in men between the ages of 40 and 80, and this association persists across racial and ethnic backgrounds
  • ower levels of testosterone and SHBG predict a higher incidence of metabolic syndrome.
  • Low testosterone levels have been related to increased insulin resistance and cardiovascular mortality,12 even in the absence of overt type 2 diabetes mellitus.
  • testosterone levels (total and bioavailable) in middle-aged men are inversely correlated with insulin resistance
  • The Massachusetts Male Aging Study (MMAS) demonstrated that low levels of testosterone and SHBG are independent risk factors for the development of type 2 diabetes,
  • Andropausal men (age 58 ± 7 years) have a higher maximal carotid artery intima-media thickness
  • There is an inverse linear correlation between body mass index (BMI) and wait-to-hip ratio with testosterone and insulin-like growth factor-1 levels.
  • Testosterone supplementation for 1 year in hypogonadal men has been shown to cause a significant improvement in body weight, BMI, waist size, lipid profile, and C-reactive protein levels
  • TRT for 3 months in hypogonadal men with type 2 diabetes significantly improved fasting insulin sensitivity, fasting blood glucose and glycated hemoglobin.
  • Testosterone replacement can improve angina symptoms and delay the onset of cardiac ischemia, likely through a coronary vasodilator mechanism
  • ADT is associated with an increased risk of cardiovascular events, including myocardial infarction and cardiovascular mortality.
  • ADT significantly increases fat mass, decreases lean body mass,29,30 increases fasting plasma insulin and decreases insulin sensitivity31 and increases serum cholesterol and triglyceride levels
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    Startling study on the knowledge of Testosterone and cardiovascular disease in general practitioners and cardiologists in Canada.  Eight-eight percent did not screen patients with cardiovascular disease for low Testosterone.  A whopping 67% of physicians did not know that low T was a risk factor for cardiovascular disease, yet 62% believed Testosterone would increase exercise tolerance. The lack of knowledge displayed by physicians today is staggering and is an indictment of the governing bodies.  This was a survey conducted in Canada so there are obvious limitations to the strength/conclusion of this study.
Nathan Goodyear

Metabolic syndrome and risk for ED: a meta-a... [Int J Impot Res. 2014] - PubMed - NCBI - 0 views

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    Metabolic syndrome associated with increased risk of ED in men in meta-analysis.  This points to ED as a metabolic condition.
Nathan Goodyear

Low testosterone levels are associated with metabolic syndrome, in elderly men: the rol... - 0 views

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    Low Serum Testosterone inversely associated metabolic syndrome in men.  This study was conducted in the Ikaria islands.  No association was found with women and Testosterone.  In men, Testosterone was inversely associated with waist circumference, hs-CRP, insulin, and HDL.
Nathan Goodyear

Fifteen years of experience with intramuscular testosterone undecanoate for substitutio... - 0 views

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    Abstract presented finds that Testosterone IM undecanoate significantly reduced metabolic syndrome parameters in men.  This study looked at men with secondary hypogonadism and late onset.  The ages were from 15-72.  The full is not available as of this post.  The study only looked at serum T.  This limits the usefulness of this test.  According to this abstract, no evaluation of SHBG was performed.  Though not significant, PSA and prostate volume increased.
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