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Topic: Oral glucose tolerance test

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	Glucose tolerance test -- Facts, Info, and Encyclopedia article (Site not responding. Last check: 2007-10-20)
		A Glucose Tolerance Test in medical practice is the administration of (A monosaccharide sugar that has several forms; an important source of physiological energy) glucose to determine how quickly it is cleared from the blood.
		The test is usually used to test for (Any of several metabolic disorders marked by excessive urination and persistent thirst) diabetes, (Click link for more info and facts about insulin resistance) insulin resistance, and sometimes (Click link for more info and facts about reactive hypoglycemia) reactive hypoglycemia.
		A standard 2 hour OGTT is sufficient to diagnose or exclude all forms of (Diabetes caused by a relative or absolute deficiency of insulin and characterized by polyuria) diabetes mellitus at all but the earliest stages of development.
	www.absoluteastronomy.com /encyclopedia/g/gl/glucose_tolerance_test.htm (515 words)

	MedlinePlus Medical Encyclopedia: Glucose tolerance test
		Glucose is the sugar that the body uses for energy.
		In this test, patients are given a known amount of glucose by vein for 3 minutes, and blood insulin levels are measured before glucose and at 1 and 3 minutes.
		The oral glucose tolerance test is used to screen pregnant women for gestational diabetes between 24 and 28 weeks of pregnancy.
	www.nlm.nih.gov /medlineplus/ency/article/003466.htm (734 words)

	Diagnosing Diabetes: glucose tolerance test and blood glucose levels.
		An oral glucose tolerance test is one that can be performed in a doctor's office or a lab.
		A person is said to have impaired glucose tolerance when the 2-hour glucose results from the oral glucose tolerance test are greater than or equal to 140 but less than 200 mg/dl.
		A person has diabetes when oral glucose tolerance tests show that the blood glucose level at 2 hours is equal to or more than 200 mg/dl.
	www.endocrineweb.com /diabetes/diagnosis.html (771 words)

	Glucose Tolerance Test (GTT) (Site not responding. Last check: 2007-10-20)
		A glucose tolerance test is indicated if the patient has an impaired fasting glucose, i.e.
		Test can be extended for three to four hours to investigate reactive hypoglycaemia, in which case specimens shouldb e taken at 30 minute intervals.
		If you use Lucozade as the glucose load for glucose tolerance tests, you should be aware that different pack sizes provide different energy values.
	www.show.scot.nhs.uk /monklands/ClinicalServices/LabServices/Biochem/test/GTT.html (235 words)

	Glucose Tests: The Test
		If either fasting glucose or a random glucose is above the values used to diagnose diabetes in those who are not pregnant, the woman is considered to have gestational diabetes and neither the screening nor the glucose tolerance test is needed.
		Blood glucose testing can be used to screen healthy, asymptomatic individuals for diabetes and pre-diabetes because diabetes is a common disease that begins with few symptoms.
		Hypoglycemia is characterized by a drop in blood glucose to a level where first it causes nervous system symptoms (sweating, palpitations, hunger, trembling, and anxiety), then begins to affect the brain (causing confusion, hallucinations, blurred vision, and sometimes even coma and death).
	www.labtestsonline.org /understanding/analytes/glucose/test.html (1305 words)

	► Glucose tolerance test
		Glucose tolerance tests are one of the tools for making the diagnosis of diabetes.
		Patients are given a known amount of glucose by vein for three minutes, and blood insulin levels are measured before glucose and at one and three minutes.
		The oral glucose tolerance test is indicated to screen pregnant women for gestational diabetes mellitus between 24 and 28 weeks of pregnancy.
	www.umm.edu /ency/article/003466.htm (485 words)

	Oral glucose tolerance test Info - Encyclopedia WikiWhat.com (Site not responding. Last check: 2007-10-20)
		Oral glucose tolerance test (OGTT) is a medical test that is performed to diagnose (or exclude) diabetes.
		The test consists of taking several blood samples — before and after a glucose load (ie.
		It is, in non-pregnant subject, 75 grams of glucose dissolved in a glass of water.
	wikiwhat.com /encyclopedia/o/or/oral_glucose_tolerance_test.html (131 words)

	Healthopedia.com - Glucose Tolerance Test (Oral Glucose Tolerance Test, OGTT, GTT)
		Glucose is the main form of sugar in the body.
		The test is done when a doctor thinks a person has diabetes mellitus, which results in a high blood glucose level.
		In the glucose tolerance test, samples of a person's blood are measured at certain times after the person drinks a solution of glucose in water.
	www.healthopedia.com /glucose-tolerance-test (435 words)

	Treatment with the Oral Antidiabetic Agent Troglitazone Improves beta Cell Responses to Glucose in Subjects with ...
		The responses in glucose and ISR in the two groups at the beginning and end of the study are shown in Fig.
		Representative examples of the profiles of glucose and ISR during the oscillatory glucose infusion protocol are in Figs.
		Effects of glucose tolerance and treatment of abnormal tolerance on mortality in Malmohus County, Sweden.
	www.jci.org /cgi/content/full/100/3/530 (5066 words)

	Tests for Diabetes
		You don't have to refrain from eating before having this test done, but the glucose content of your meals can affect the results, so it's considered less reliable than the fasting plasma glucose test.
		This test is the standard for diabetes diagnosis.
		Like the random plasma glucose test, it measures blood glucose levels, but in this case, blood is drawn after you've refrained from eating for at least 8 hours so there isn't any chance of a meal interfering with the results.
	email.lhj.com /cgi-bin1/DM/y/adc60FcTsk0Dmi0FhJu0AM (360 words)

	Tests for diagnosing diabetes mellitus Glucose tolerance test is most sensitive -- Simon et al. 309 (6953): 537 -- BMJ
		Tests for diagnosing diabetes mellitus Glucose tolerance test is most sensitive -- Simon et al.
		Tests for diagnosing diabetes mellitus Glucose tolerance test is most sensitive
		a formal glucose tolerance test in the diagnosis of diabetes.
	www.bmj.com /cgi/content/full/309/6953/537 (1715 words)

	Diagnosis of cystic fibrosis related diabetes: a selective approach in performing the oral glucose tolerance test based ...
		Diagnosis of cystic fibrosis related diabetes: a selective approach in performing the oral glucose tolerance test based on a combination of clinical and biochemical criteria
		The result of the OGTT was then compared with the result collected during the annual review visit.
		Glucose tolerance in patients with cystic fibrosis: five year prospective study.
	www.thoraxjnl.com /cgi/content/full/54/1/40 (2197 words)

	Oral Glucose Tolerance Test (OGTT), Cincinnati Children's Hospital Medical Center
		Blood is obtained and tested before and at thirty minute intervals (for up to 3 hours) after drinking it.
		When the test is finished, the patient is given a meal of his / her choice.
		Test results are available from your physician 1 - 2 weeks after the test date.
	www.cincinnatichildrens.org /health/info/endocrine/tests (293 words)

	GSDL Glucose/Insulin Tolerance Test (Site not responding. Last check: 2007-10-20)
		There is increasing evidence that impaired glucose regulation and its concomitant dysinsulinemia are pervasive problems.
		Clinical assessment with this classic oral glucose loading test permits an accurate diagnosis of glucose dysregulation (hypoglycemia, diabetes) and provides insight into early signs of the metabolic syndrome characterized by elevated insulin levels in response to the glucose challenge.
		With its extensively researched commentary, this test allows practitioners to evaluate patterns of insulin secretion and glucose clearance as a means of differentiating between insulin deficiency and insulin insensitivity.
	www.gsdl.com /assessments/glucoseinsulin (195 words)

	Minimal model estimation of glucose absorption and insulin sensitivity from oral test: validation with a tracer method ...
		Minimal model estimation of glucose absorption and insulin sensitivity from oral test: validation with a tracer method -- Dalla Man et al.
		the rate of appearance of absorbed glucose is unknown.
		Contribution of defects in glucose uptake to carbohydrate intolerance in liver cirrhosis: assessment during physiological glucose and insulin concentrations
	ajpendo.physiology.org /cgi/content/abstract/287/4/E637 (430 words)

	Prolonged fasting significantly changes nutrient oxidation and glucose tolerance after a normal mixed meal -- Horton ...
		of glucose tolerance in the context of a normal mixed meal.
		Hyperthyroidism blocks glycogen synthesis and the suppression of glucose output observed in response to carbohydrate re-feeding.
		The glucose fatty-acid cycle: its role in insulin sensitivity and the metabolic disturbances of diabetes mellitus.
	www.jap.org /cgi/content/full/90/1/155 (5114 words)

	Screening for Gestational Diabetes
		Screening is usually done using the 1 hour oral glucose tolerance test.
		The test can be done at any time of the day.
		Women who were evaluated early during their pregnancy and found to be normoglycemic should have screening repeated at 24 to 28 weeks.
	www.obfocus.com /SanGabriel/SweetSuccess/OGTT.htm (264 words)

	Oral Glucose Tolerance Test Minimal Model Indexes of {beta}-Cell Function and Insulin Sensitivity -- Breda et al. 50 ...
		Oral Glucose Tolerance Test Minimal Model Indexes of {beta}-Cell Function and Insulin Sensitivity -- Breda et al.
		Oral Glucose Tolerance Test Minimal Model Indexes of ß-Cell Function and Insulin Sensitivity
		Measurements of Insulin Secretory Capacity and Glucose Tolerance to Predict Pancreatic {beta}-Cell Mass In Vivo in the Nicotinamide/Streptozotocin Gottingen Minipig, a Model of Moderate Insulin Deficiency and Diabetes
	diabetes.diabetesjournals.org /cgi/content/abstract/50/1/150 (923 words)

	American Ginseng Improves Glycemia in Individuals with Normal Glucose Tolerance: Effect of Dose and Time Escalation -- ...
		in glucose tolerance will be achieved with escalation of AG dose and administration time in nondiabetic individuals.
		glucose meal to test this additional mode on glucose tolerance.
		Rewers M, Shetterly SM, Baxter J, Marshall JA, Hamman RF: Prevalence of coronary heart disease in subjects with normal and impaired glucose tolerance and non-insulin-dependent diabetes mellitus in a biethnic Colorado population.
	www.jacn.org /cgi/content/full/19/6/738 (3839 words)

	Oral Glucose Tolerance Test Minimal Model Indexes of {beta}-Cell Function and Insulin Sensitivity -- Breda et al. 50 ...
		test (7), we have shown that it is possible to simultaneously
		Bergman RN, Lawrence SP, Cobelli C: Physiologic evaluation of factors controlling glucose tolerance in man: measurement of insulin sensitivity from the response to intravenous glucose.
		Matsuda M, DeFronzo RA: Insulin sensitivity indices obtained from oral glucose tolerance testing: comparison with the euglycemic insulin clamp.
	diabetes.diabetesjournals.org /cgi/content/full/50/1/150 (4153 words)

	Dilution of the 75-g oral glucose tolerance test increases postprandial glycemia: implications for diagnostic criteria ...
		Dilution of the 75-g oral glucose tolerance test increases postprandial glycemia: implications for diagnostic criteria -- Sievenpiper et al.
		Dilution of the 75-g oral glucose tolerance test increases postprandial glycemia: implications for diagnostic criteria
		The use of the glycemic index in predicting the blood glucose and insulin response to mixed meals.
	www.cmaj.ca /cgi/content/full/162/7/993 (2396 words)

	Caffeine Ingestion Before an Oral Glucose Tolerance Test Impairs Blood Glucose Management in Men with Type 2 Diabetes ... (Site not responding. Last check: 2007-10-20)
		Caffeine Ingestion Before an Oral Glucose Tolerance Test Impairs Blood Glucose Management in Men with Type 2 Diabetes -- Robinson et al.
		Caffeine Ingestion Before an Oral Glucose Tolerance Test Impairs Blood Glucose Management in Men with Type 2 Diabetes
		glucose homeostasis in obese men with type 2 diabetes.
	www.nutrition.org /cgi/content/abstract/134/10/2528 (363 words)

	Diabetes and Blood Sugar - DoctorNDTV: Health India (Site not responding. Last check: 2007-10-20)
		What tests are required if there are no sensations below the knees in a diabetic?
		What are the tests required for a diabetic patient?
		Are there different methods for calculating the blood glucose level?
	www.doctorndtv.com /template/question.asp (1395 words)

	Impact of overnight dexamethasone suppression on the adrenal androgen response to an oral glucose tolerance test in ...
		Impact of overnight dexamethasone suppression on the adrenal androgen response to an oral glucose tolerance test in women with and without polycystic ovary syndrome -- Buyalos et al.
		Impact of overnight dexamethasone suppression on the adrenal androgen response to an oral glucose tolerance test in women with and without polycystic ovary syndrome
		related to the stress of testing, may impact on the measurement of
	humrep.oupjournals.org /cgi/content/abstract/12/6/1138 (361 words)

	Identification of Persons at High Risk for Type 2 Diabetes Mellitus: Do We Need the Oral Glucose Tolerance Test? -- ...
		This test is called an oral glucose tolerance test, and it is
		the oral glucose tolerance test results and the medical information.
		Tolerance Test?" It is in the 16 April 2002 issue of Annals
	www.annals.org /cgi/content/summary/136/8/575 (1801 words)

	Acromegaly & Gigantism - Endocrinology - Medstudents
		Its major advantage is when the OGTT shows a boderline response.
		Because it inhibits gastrointestinal and pancreatic function, long term use causes digestive problems such as decreased gastrointestinal motility, nausea, gas, abdominal pain, fat malabsortion, acholic stools, colelitiasis in one third of patients.
		May also causes Glucose Intolerance, although scientists have found that in some acromegalic with Diabetes, the drug improves blood sugar control.
	www.medstudents.com.br /endoc/endoc8.htm (1873 words)

	Direct Measure of Insulin Sensitivity with the Hyperinsulinemic-Euglycemic Clamp and Surrogate Measures of Insulin ...
		Glucose and insulin levels at each point in time were compared between the three dietary groups by one-way ANOVA.
		Cederholm J., Wibell L. Insulin release and peripheral sensitivity at the oral glucose tolerance test.
		Rossetti L., Giaccari A. Relative contribution of glycogen synthesis and glycolysis to insulin-mediated glucose uptake.
	cebp.aacrjournals.org /cgi/content/full/12/1/47 (6860 words)

	Effect of Glucose Tolerance Status on PAI-1 Plasma Levels in Overweight and Obese Subjects -- Pannacciulli et al. 10 ...
		by impaired glucose tolerance (IGT), the latter having a prevalence
		glucose tolerance in IGT subjects was not known earlier.
		according to the degree of glucose tolerance, with adiposity
	www.obesityresearch.org /cgi/content/full/10/8/717 (4317 words)

	Medical Tests - Glucose tolerance test - Detroit, Michigan (Site not responding. Last check: 2007-10-20)
		Blood glucose levels above normal limits at the times measured can diagnose type 2 diabetes or gestational diabetes (high blood glucose during pregnancy).
		Obtaining a blood sample from some people may be more difficult than from others.
		High glucose levels may be a manifestation of another clinical problem (for example, Cushing´s syndrome).
	www.henryfordhealth.org /14360.cfm (649 words)

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