obesity management: lifestyle modification/bariatric surgery

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Obesity Obesity Management: Management: Lifestyle Lifestyle Modification/Baria Modification/Baria tric Surgery tric Surgery

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Page 1: Obesity Management: Lifestyle Modification/Bariatric Surgery

Obesity Management:Obesity Management:Lifestyle Lifestyle

Modification/Bariatric Modification/Bariatric SurgerySurgery

Page 2: Obesity Management: Lifestyle Modification/Bariatric Surgery

Comparison of Diets:Comparison of Diets:12-Month Weight Loss12-Month Weight Lossaa

-4.7

-1.6

-2.2

-3.8

-5

-4

-3

-2

-1

0

Atkinsn=77

Wei

gh

t L

oss

(kg

)

Zonen=79

b LEARNn=79

b Ornishn=76

b

Page 3: Obesity Management: Lifestyle Modification/Bariatric Surgery

Stephen N. Jones, MD, FRCPStephen N. Jones, MD, FRCP

Chief, Division of Diabetes,Chief, Division of Diabetes,Endocrinology and MetabolismEndocrinology and Metabolism

Mark Collie Professor of Medicine and Molecular Mark Collie Professor of Medicine and Molecular Physiology and BiophysicsPhysiology and Biophysics

Page 4: Obesity Management: Lifestyle Modification/Bariatric Surgery

Identifying the Glycemic BurdenIdentifying the Glycemic Burden

FastingFasting PreprandialPreprandial PostprandialPostprandial

Hepatic glucoseoutput

Hepatic glucoseoutput

Glucose disposalGlucose disposal Bolus insulinsecretion

Bolus insulinsecretion

24-Hour Glucose24-Hour Glucose

Page 5: Obesity Management: Lifestyle Modification/Bariatric Surgery

Why Care about Postprandial Hyperglycemia (PPHG)?

Why Care about Postprandial Hyperglycemia (PPHG)?

CoagulationCoagulation

OxidativeStress

OxidativeStress

IncreasedInflammatory

Markers

IncreasedInflammatory

Markers

OxidizedLDL

OxidizedLDL

Microvasculardisease

Microvasculardisease

Hyper TG

Hyper TG

CVDCVD

PPHGPPHG

Page 6: Obesity Management: Lifestyle Modification/Bariatric Surgery

Maintaining Balance:Maintaining Balance:Postprandial Physiology and Postprandial Physiology and the Pathogenesis of Diseasethe Pathogenesis of Disease

Maintaining Balance:Maintaining Balance:Postprandial Physiology and Postprandial Physiology and the Pathogenesis of Diseasethe Pathogenesis of Disease

John Davis, MD, FRCPJohn Davis, MD, FRCPChief, Diabetes, Endocrinology and Chief, Diabetes, Endocrinology and

MetabolismMetabolism

Jack CollieJack CollieProfessor of Medicine, Molecular Professor of Medicine, Molecular

Physiology and BiophysicsPhysiology and Biophysics

Page 7: Obesity Management: Lifestyle Modification/Bariatric Surgery

Current View of the Action of InsulinCurrent View of the Action of Insulin

Anti-inflammatoryAnti-inflammatoryNF-KB, NF-KB, IkB, IkB, MCP-MCP-

1,1,ICAM-1, ICAM-1, CRPCRP

AntithromboticAntithromboticTF, TF, PAI-1PAI-1

Vasodilation andVasodilation andplatelet inhibitionplatelet inhibition

NO release, NO release, cAMP,cAMP,eNOSeNOS

AntioxidantAntioxidantROSROS

Mechanism of the benefit of Mechanism of the benefit of insulin in acute illnessinsulin in acute illness

Page 8: Obesity Management: Lifestyle Modification/Bariatric Surgery

Abdominal Adiposity Abdominal Adiposity There is No Time to WeightThere is No Time to Weight

Michael Black, M.D.Michael Black, M.D.Mayo College of MedicineMayo College of Medicine

Page 9: Obesity Management: Lifestyle Modification/Bariatric Surgery

FFA and ObesityFFA and Obesity

mo

l•kg

LB

M-1•m

in-1

**

**

mo

l/L

FFA Concentration

118

449

235

412

297

579

0

200

400

600

800

Basal Insulin

Non-Obese

LB Ob

UB Ob

FFA Release Rates

3.5

7.16.1

7.88.5

12.4

0

5

10

15

Basal Insulin

Page 10: Obesity Management: Lifestyle Modification/Bariatric Surgery

VisfatinVisfatin

LeptinLeptin

Adipsin (ASP)Adipsin (ASP)

ResistinResistin

AngiotensinogenAngiotensinogen

RBP- 4RBP- 4

IL-6IL-6

AdipocyteAdipocyte

Adipose Tissue as Endocrine CellsAdipose Tissue as Endocrine Cells

AdiponectinAdiponectinAdiponectinAdiponectin

Insulin sensitivityInsulin sensitivityImproved metabolismImproved metabolism