The PCOS - Diabetes ConnectionThe PCOS - Diabetes Connection Preventing Stroke, Kidney Disease,...
Transcript of The PCOS - Diabetes ConnectionThe PCOS - Diabetes Connection Preventing Stroke, Kidney Disease,...
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PCOS Awareness Symposium 2015 Philadelphia
Saturday, April 18th, 2015
The PCOS - Diabetes Connection
Preventing Stroke, Kidney Disease, Liver Disease & Other Complications
Katherine Sherif, MD Professor & Vice Chair, Department of Medicine
Director, Jefferson Women’s Primary Care
Thomas Jefferson University
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Type 2 Diabetes
3rd leading cause of death in US
By the time of diagnosis with T2D, you have
been insulin resistant for at least 12 years
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Increased conversion to diabetes
Nurses Health Study: 101,073
8 year period
Conversion to type 2 diabetes was double in women
who were oligomenorrheic compared to women who
were eumenorrheic
27% of women with type 2 diabetes had PCOS
JAMA 2001; 286:2421–2426
Diab Care 2001; 24:1050–1052
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Prevalence of IGT & diabetes
Thin vs. obese PCOS
0
5
10
15
20
25
30
35
Obese PCOS Thin PCOS No PCOS
IGT Diabetes
Legro, JCEM 1999
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PCOS: Prevalence of IGT & diabetes
35% have IGT
10% have diabetes
0
5
10
15
20
25
30
35
PCOS
IGT
Type 2diabetes
Diabetes Care 1999, 22:141–146
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PCOS & weight-matched controls
PCOS women have a higher prevalence of
hyperinsulinemia Clin Endocrinol Metab 1987;65:499–507
PCOS women have a greater degree of
hyperinsulinemia Diabetes 1989;38:1165–1174
16% of PCOS developed diabetes at menopause
compared to 6% of obese women Fertil Steril 1992;57(3):505-13
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Insulin resistance underlies T2D
Insulin resistance
Impaired glucose tolerance
Impaired fasting glucose
Type 2 diabetes
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What is insulin resistance?
The body RESISTS taking sugar into the cells
Insulin can’t link with the receptors on the surfaces of
cells because there aren’t enough receptors
Something goes wrong in the chemical reaction at
the time of linking
The body can’t use the sugar in the blood & hi BG
develops bringing on DM symptoms
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Causes of insulin resistance
Combination of genetic and lifestyle factors
Heredity
Ethnic group--NA, AA, Latinas, South Asians
Abdominal obesity interferes w/ insulin action
Lack of exercise and high caloric diet
Stressful lifestyle—stress hormones released
Pregnancy-increase in weight and production
of placental hormones raise glucose
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Certain proteins and/or enzymes released by
stored fat act on muscle and liver cells to
impair the way they “read” insulin signals to
process glucose
Visceral abdominal fat sheds more free fatty
acids; elevated TG levels increases insulin
production promoting further fat storage
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How does abdominal fat cause IR?
Abdominal fat continuously releases TG into
the branch of the bloodstream that feeds the
liver
This increases the body’s need for insulin
Demand for more insulin causes pancreas to
work harder to produce elevated insulin levels
High levels of insulin in blood down-regulate
the affinity for insulin that insulin receptors all
over the body have naturally-”tolerance”
causes > IR
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What defines insulin
resistance? Hyperglycemia
Dyslipidemia- high triglyceride, low HDL
Central obesity
Elevated blood pressure - greater than
130/80
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How important is control?
For every 1% rise in Hb A1c: there is an 18% rise in risk of heart attack
Tight blood sugar control reduces risk of CVD
Goals:
FBS – pre-meal <110,
Post-meal <180
HbA1c <7%
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Examine your blood tests
Liver function tests: AST, ALT – the lower, the
better
Creatinine (blood) – the lower, the better
A1c (or hemoglobin A1c) – the lower, the better
Triglycerides – the lower, the better
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Link with Coronary Artery Disease
Coronary angiography: women with polycystic
ovaries have more extensive CAD
“extensive” = number of segments with >50% stenosis
NHS: oligomenorrheic women followed for 8 years
had double the risk of fatal MI
Retrospective study – oligomenorrheic women in the
1950’s were 7.4 x’s more likely to have MI in their
50’s and 60’s
Birdsall, Annals Int Med, 1997
Dahlgren, Acta Obstet Gynecol Scand, 1992
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Pathophysiology
Follicle
Theca cell
androstenedione & T
LH
Progesterone 17 - OH P testosterone
estrone
GnRH
pulsatility
X
Peripheral conversion
Granulosa Estradiol
A*
A* = aromatase
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Pathophysiology
Follicle
Theca cell
androstenedione testosterone estradiol
Insulin
LH
Progesterone 17 - OH P testosterone
estrone
GnRH
pulsatility
↓ SHBG Free T
X
X
Peripheral conversion
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Traditional Treatment
Oral contraceptives Oligomenorrhea
Hirsutism
Acne
Alopecia
Anti-androgens Hirsutism
Alopecia
Clomiphene Infertility
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endothelium ovary
hirsutism
infertility
acne
anovulation dyslipidemia
diabetes
testosterone
ovary
endothelial dysfunction
hyperinsulinemia
Overweight Acanthosis nigricans
hypertension
Sherif 2006 ©
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endothelium ovary
hirsutism
infertility
acne
anovulation dyslipidemia
diabetes
testosterone
ovary
endothelial dysfunction
hyperinsulinemia
Overweight Acanthosis nigricans
hypertension
Traditional treatment does not
address hyperinsulinemia
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Key: decrease insulin resistance
Nutrition
Decrease simple carbohydrates
Decrease calories
Increase physical activity
Insulin-sensitizing medications
Insulin-sensitizing supplements
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Multiple Signs & Symptoms
Irregular periods, Bleeding too much, Bleeding
too little, Anxiety, Depression, Eating disorders,
Weight gain, Acanthosis nigricans, Skin tags,
Follicular keratitis, Hirsutism, Acne, Alopecia,
Excess sweating, Seborrheic dermatitis,
Hidradenitis supparativa, Fatty liver, High
triglycerides, low HDL-cholesterol, Elevated
glucose, Infertility, Breastfeeding problems, Poor
sleep, Miscarriages, Fatigue, Endometrial cancer
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Prescription for Treatment
Goals
Dermatologic symptoms caused by androgens
Hirsutism
Acne
Alopecia
Excess sweating
Seborrheic dermatitis
Hidradenitis supparativa
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Prescription for Treatment
Goals
Symptoms directly related to insulin resistance
Weight gain
Acanthosis nigricans
Skin tags
Follicular keratitis
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Prescription for Treatment
Goals
Psychologic/psychiatric symptoms
Anxiety
Depression
Eating Disorders
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Prescription for Treatment
Goals
Metabolic problems
Fatty liver
High triglycerides and low HDL-cholesterol
Elevated A1c (3-month sugar)
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Prescription for Treatment
Goals
Infertility
Sleep apnea
Difficulty breastfeeding
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Key: decrease insulin resistance
Nutrition
Decrease simple carbohydrates
Decrease calories
Increase physical activity
Sleep
Insulin-sensitizing medications
Insulin-sensitizing supplements
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Improve Insulin Sensitivity
Medications that may decrease weight
Insulin Sensitizers
Metformin
TZD’s – thiazolidinediones (Actos, Avandia)
Incretins – derived from the Gila Monster
Byetta → Bydureon (weekly)
Victoza → Saxenda (weekly)
Trulicity
Symlin
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Improve Insulin Sensitivity:
Weight Loss Medications that do not improve
insulin sensitivity…..but when you lose weight,
you are more insulin sensitive
Phentermine
Topamax
Qsymia = phentermine and Topamax
Belviq – affects brain serotonin
Contrave = naltrexone and bupropion
Alli (Xenical)
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Metformin
Benefits: Weight loss (minimal)
Improved lipid profile
Improved acne, hirsutism and alopecia
Normalization of transaminases
Ovulation & pregnancy
Cochrane meta-analysis: first-line agent for anovulation
Side effects Gastrointestinal: diarrhea, nausea
Decreased B-12 absorption and homocysteine
Lord, BMJ, 2003
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Treatment
Metformin ER: 500mg titrated up to 2000mg/day
Pioglitazone and rosiglitazone
Associated with fluid retention
Byetta, Symlin, Victoza
Spironolactone: dose-dependent
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Thiazolidinediones
May be more effective in thin PCOS
Thiazolidinediones (TZD’s or glitazones) Troglitazone – most studied
Pioglitazone
Rosiglitazone
Both associated with fluid retention
Check liver function tests in 4 weeks
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Anti-androgens
Spironolactone 100mg twice a day**
May take as long as 3-6 months to see
improvement, especially in alopecia
Alpha-reductase inhibitors: saw palmetto,
flutamide, finasteride
Transaminase elevations
Ornithine decarboxylase inhibitors: eflornithine
30% “response” rate at six months
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Treatment with insulin sensitizers
improves fertility & CVD risk factors
Decrease hyperinsulinemia
↓testosterone
improve endothelial function
ovulation
fertility endometrial ca
BP, lipids, glucose
↓ Cardiovascular risk
↓ hyperandrogenemia
Hirsutism, Acne, Alopecia
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Treatment
Ovulation occurs in most within 3 months
May be as early as 1 month or prior to first menses
Must discuss risk of pregnancy within the first month
If pregnancy desired
Discuss use of metformin during pregnancy
Most obstetricians ok with metformin during pregnancy
Stop pioglitazone and rosiglitazone asap
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Supplements with insulin-sensitizing properties
Omega-3 fatty acids
Cinnamon
Vitamin D
Chromium
N-acetyl cysteine**
Resveratrol
Alpha lipoic acid
Magnesium**
D - chiro inositol & Myo-inositol
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Prescription Plan
Address the basics that improve insulin sensitivity Nutrition
Physical activity
Sleep
Are your symptoms due to high testosterone or high insulin or both?
Think about what direction you want to go in when you’re 50 years old: commit now to live