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Nathan Goodyear

Access : Late-night salivary cortisol measurement in the diagnosis of Cushing's syndrom... - 1 views

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    late-night salivary cortisol yields sensitivity of 92-100% and specificity of 93-100%.  Wow!  not much in medicine even approaches this kind of validity.
Nathan Goodyear

The Diagnosis of Cushing's Syndrome: An Endocrine Society Clinical Practice Guideline - 1 views

  • the diagnostic sensitivity and specificity is said to be excellent (92–100%)
  • Measurement of salivary cortisol by ELISA and LC-MS/MS has been well validated in the United States
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    Endocrine society clinical  practice guideline's state proves validity of salivary cortisol testing.  Statement: "the diagnostic sensitivity and specificity is said to be excellent (92-100%)" and " Measurement of salivary cortisol by ELISA and LC-MS/MS has been well validated in the United States"
Nathan Goodyear

A single sleeping midnight cortisol ha... [Clin Endocrinol (Oxf). 1995] - PubMed - NCBI - 1 views

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    salivary cortisol testing shown to be 100% sensitive for the diagnosis of Cushing's syndrome
Nathan Goodyear

Midnight Salivary Cortisol for the Initial Diagnosis of Cushing's Syndrome of Various C... - 1 views

  • Measuring midnight salivary cortisol is an easy and noninvasive means of diagnosing hypercortisolism
  • Its diagnostic accuracy is identical to, if not better than, that of previously described gold standards.
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    midnight salivary cortisol said to be diagnostically as accurate if not better than previous gold standards
Nathan Goodyear

Late-night salivary cortisol in normal subjects and in patients with Cushing's syndrome... - 1 views

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    specificity of saliva/salivary cortisol testing for Cushing's syndrome is 100%; but sensitivity was 69%.  Testing not done via LC-MS which is the gold standard.  This could explain the low sensitivity as compared to other studies.
Nathan Goodyear

ScienceDirect - Clinical Biochemistry : Advantage of salivary cortisol measurements in ... - 1 views

  • nighttime salivary cortisol is more adequate than serum in the screening of Cushing's syndrome
  • Morning salivary cortisol is as good as serum as screening test for patients with Addison's disease
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    salivary cortisol is shown to be reliable for both Addison's and Cushing's Syndrome
Nathan Goodyear

Measurement of salivary cortisol with liquid chromatography-tandem mass spectrometry in... - 1 views

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    LC-MS/MS shows excellent sensitivity and specificity for cortisol evaluation
Nathan Goodyear

Diagnosis of secondary adrenal insufficiency in patients with hypothalamic-pituitary di... - 1 views

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    salivary cortisol testing said to be "first-line" and preferable to serum cortisol evaluation
Nathan Goodyear

Utility of Salivary Cortisol Measurements in Cushing's Syndrome and Adrenal Insufficiency - 1 views

  • It is expected that the use of the measurement of salivary cortisol will become routine in the evaluation of patients with disorders of the HPA axis.
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    Salivary cortisol testing shown to have sensitivity and specificity that exceeds 90%.  Final Quote: "salivary cortisol will become routine in the evaluation of patients with disorders of the HPA axis
Nathan Goodyear

Clinical accuracy of midnight salivary cortisol measured by automated electrochemilumin... - 1 views

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    midnight salivary cortisol by electrochemiluminescence immunoassay shown to have sensitivity of 100% and specificity of 97.4% in Cushing's syndrome
Nathan Goodyear

AACE - Journal Article - 1 views

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    meta-analysis reveals specificity of 96% and sensitivity of 92% for late-night cortisol diagnosis of Cushing's syndrome 
Nathan Goodyear

Late-night and low-dose dexamethasone-suppressed cortisol in saliva and serum for the d... - 1 views

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    diagnostic accuracy again proven for salivary cortisol. So why does BCBS consider this experimental?  Maybe they just don't read research.
Nathan Goodyear

Percutaneous administration of progesterone: blood levels an... : Menopause - 1 views

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    serum evaluation of progesterone is not reliable method of testing following transdermal progesterone
Nathan Goodyear

EDTA Chelation Therapy: A Retrospective Study of 470 Patients - 1 views

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    study of EDTA chelation in arteriosclerosis in retrospective study.
Nathan Goodyear

Hypocortisolism: An Evidence-based Review - 1 views

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    Fantastic review of the literature as it relates to hypocortisolism. This paper reviews the various proposed pathophysiologic mechanisms for the development of hypocortisolism. It also discusses the proper diagnostic test of choice: salivary cortisol testing.
Nathan Goodyear

The Metabolic Syndrome - 1 views

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    good review on Metabolic Syndrome
Nathan Goodyear

metabolic endotoxemia - 1 views

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    great read on the current understanding on metabolic endotoxemia.
Nathan Goodyear

Routine Epstein-Barr Virus Diagnostics from the Laboratory Perspective: Still Challengi... - 1 views

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    Everything you ever wanted to know about EBV.
Nathan Goodyear

Endogenous Testosterone and Mortality Due to All Causes, Cardiovascular Disease, and Ca... - 1 views

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    Low T is associated with increased risk of all cause mortality, including cardiovascular and Cancer in men.
Nathan Goodyear

Endogenous Testosterone and Mortality in Men: A Systematic Review and Meta-Analysis - 1 views

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    Low T is shown to increase mortality rate, due to all causes, in men.  This was a meta-analysis of 820 studies from 1988 to 2010.
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