the science: chd and diabetes as co-morbidities kathy reims, md center for strategic innovation...
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The Science: CHD The Science: CHD and Diabetes as Co-and Diabetes as Co-
morbiditiesmorbiditiesKathy Reims, MDKathy Reims, MD
Center for Strategic Center for Strategic InnovationInnovation
8/27/078/27/07
Objectives:Objectives:
What is the rationale to think about What is the rationale to think about diabetes and coronary heart disease diabetes and coronary heart disease (CHD) together?(CHD) together? Patient perspective Patient perspective PathophysiologyPathophysiology TreatmentTreatment
How can you leverage the systems that How can you leverage the systems that you already have in place to include you already have in place to include CHD? CHD?
What measures might you consider? What measures might you consider?
Patient-centric, not Patient-centric, not Disease-centricDisease-centric
What are the CHD risk What are the CHD risk Factors? Factors?
GenderGender AgeAge RaceRace
SmokingSmoking BP controlBP control Lipid managementLipid management Physical activityPhysical activity Weight Weight DiabetesDiabetes Renal Insufficiency Renal Insufficiency
Much overlap in Much overlap in what causes the what causes the complications in complications in
diabetes and diabetes and Cardiovascular Cardiovascular Disease (CVD) Disease (CVD) We know the correlations, not We know the correlations, not
always the scientific basisalways the scientific basis
Incidence of Myocardial Incidence of Myocardial Infarction in Infarction in
Type 2 DiabetesType 2 Diabetes
Haffner SM et al. N Engl J Med 1998;339:229-234.
50
40
30
20
10
0No Prior MI Prior MI
No diabetes (n=1373)Type 2 Diabetes
(n=1059)
7-y
ear
Incid
en
ce (
%)
Disconnected! Disconnected!
68% of diabetes patients do not 68% of diabetes patients do not consider CVD to be a serious diabetes-consider CVD to be a serious diabetes-related complication, and they are related complication, and they are much more aware of complications much more aware of complications such as blindness (65%) or amputation such as blindness (65%) or amputation (36%) than heart disease (17%), heart (36%) than heart disease (17%), heart attack (14%), or stroke (5%). attack (14%), or stroke (5%).
88% of providers had discussed 88% of providers had discussed diabetes related CVD riskdiabetes related CVD risk
What is it about diabetes What is it about diabetes that increases CVD risk? that increases CVD risk?
Metabolic milieu? Metabolic milieu? Inflammation?Inflammation? Pro-thrombotic state? Pro-thrombotic state? Insulin resistance?Insulin resistance?
C-Reactive ProteinC-Reactive Protein C-reactive protein (CRP) - one of the acute phase C-reactive protein (CRP) - one of the acute phase
proteins that increase during systemic inflammationproteins that increase during systemic inflammation High levels of CRP consistently predict new coronary High levels of CRP consistently predict new coronary
events. Newer high sensitivity (hs-CRP) now used to events. Newer high sensitivity (hs-CRP) now used to better predict CVD risk. better predict CVD risk.
Higher CRP levels also are associated with lower Higher CRP levels also are associated with lower survival rate survival rate
Higher levels of CRP may increase the risk that an artery Higher levels of CRP may increase the risk that an artery will re-close after it’s been opened by balloon will re-close after it’s been opened by balloon angioplasty. angioplasty.
High levels of CRP predict prognosis and recurrent High levels of CRP predict prognosis and recurrent events in patients with stroke and peripheral arterial events in patients with stroke and peripheral arterial disease. disease.
What about What about Metabolic Metabolic Syndrome?Syndrome?
Newer findings with Newer findings with nonfasting triglyceride nonfasting triglyceride
valuesvalues Women's Health Study demonstrated that Women's Health Study demonstrated that
nonfasting triglycerides were better nonfasting triglycerides were better independent predictors of cardiovascular independent predictors of cardiovascular events over 11 years than were fasting events over 11 years than were fasting triglycerides.triglycerides.
Same finding recent study of about 14,000 Same finding recent study of about 14,000 men and women in Copenhagen, Denmark men and women in Copenhagen, Denmark
Fat-load (or fat-tolerance) tests have been Fat-load (or fat-tolerance) tests have been found to be abnormal, with higher found to be abnormal, with higher postprandial triglyceride levels, in people with postprandial triglyceride levels, in people with CVD when compared with control subjects.CVD when compared with control subjects.
Best predictor of high nonfasting TG levels is Best predictor of high nonfasting TG levels is the fasting level. the fasting level.
Prothrombotic stateProthrombotic state
Associated with insulin resistanceAssociated with insulin resistance Increased fibrinogen levels,Increased fibrinogen levels, Increased plasminogen activator Increased plasminogen activator
inhibitor-1,inhibitor-1, Various platelet abnormalities Various platelet abnormalities
What does all this mean? What does all this mean?
Much overlap between what is going Much overlap between what is going on metabolically with diabetics and on metabolically with diabetics and with those with CHD.with those with CHD.
Interventions that mitigate CHD risk Interventions that mitigate CHD risk are of paramount importance in are of paramount importance in diabeticsdiabetics
Due to the pathophysiological Due to the pathophysiological overlap, interventions are similar. overlap, interventions are similar.
AHA/ACC Secondary AHA/ACC Secondary Prevention Guidelines Prevention Guidelines
2006: Smoking2006: Smoking Smoking status each visitSmoking status each visit Advise tobacco users to quitAdvise tobacco users to quit Use behavioral and pharmacological Use behavioral and pharmacological
strategy to support cessationstrategy to support cessation Avoid exposure to second hand Avoid exposure to second hand
smokesmokeSmith SC, et.al. AHA/ACC guidelines for secondary prevention for patients with Smith SC, et.al. AHA/ACC guidelines for secondary prevention for patients with coronary and other atherosclerotic vascular disease:2006 update. Circulation. 2006; coronary and other atherosclerotic vascular disease:2006 update. Circulation. 2006; 113:2363-2372113:2363-2372
Control Blood PressureControl Blood Pressure
Diabetics, CVD, Framingham risk Diabetics, CVD, Framingham risk score >10% or kidney disease – score >10% or kidney disease – 130/80130/80
Otherwise 140/90Otherwise 140/90 LifestyleLifestyle ACE/ARB + thiazides as neededACE/ARB + thiazides as needed
UKPDS Group. UKPDS 38. BMJ. 1998;317:703–713.
Benefits of 144/82 vs 154/87
Ris
k R
ed
uc
tio
n (
%)
Any Diabetes-related
End Point
Diabetes-relatedDeath Retinopathy Stroke
HeartFailure
-24
-32 -34
-44
-56
-70
-20
0
-10
-50
-60
-30
-40
UKPDS: Blood Pressure Control Study in UKPDS: Blood Pressure Control Study in Type 2 DiabetesType 2 Diabetes
Effect of Intensive BP Lowering on Effect of Intensive BP Lowering on Micro- and Macrovascular Complications Micro- and Macrovascular Complications
RiskRiskMyocardialInfarction
-21
RenalFailure
-42
-47
Vision Deterioration
Manage LipidsManage Lipids
LDL-C goal <100LDL-C goal <100 ““reasonable” to treat to <70reasonable” to treat to <70 StatinsStatins
HPS: Conclusions for people with HPS: Conclusions for people with diabetesdiabetes
Lowering LDL cholesterol by 1 mmol/L (40 mg/dL) reduces Lowering LDL cholesterol by 1 mmol/L (40 mg/dL) reduces the risk of major vascular events by about one-quarter the risk of major vascular events by about one-quarter during 5 years of treatmentduring 5 years of treatment
Similar proportional reductions in risk among people with Similar proportional reductions in risk among people with or without diabetes or without diabetes ― ― irrespective of age, sex, vascular irrespective of age, sex, vascular disease or lipid levelsdisease or lipid levels
Continued statin treatment prevents not only first but also Continued statin treatment prevents not only first but also subsequent major vascular events subsequent major vascular events
Exercise PrescriptionExercise Prescription
30 minutes, 7 days/week moderate 30 minutes, 7 days/week moderate intensity activityintensity activity
Supplement with increased lifestyle Supplement with increased lifestyle activities – gardening, houseworkactivities – gardening, housework
Medically supervised programs prnMedically supervised programs prn
Weight ManagementWeight Management
BMI 18.5 to 24.9 kg/mBMI 18.5 to 24.9 kg/m22
Waist circumference:Waist circumference: Men <40 inchesMen <40 inches Women <35 inchesWomen <35 inches
10% decrease from baseline 10% decrease from baseline
Diabetes ManagementDiabetes Management
HbA1c < 7.0%HbA1c < 7.0% Manage other risk factors Manage other risk factors
aggressivelyaggressively
Antiplatelet Antiplatelet Agents/AnticoagulantsAgents/Anticoagulants
81 mg81 mg Additional clopidgrel guidelines for Additional clopidgrel guidelines for
ACS and s/p stentACS and s/p stent Warfarin guidelines for a. fib. and LV Warfarin guidelines for a. fib. and LV
thrombusthrombus
ACE/ARBACE/ARB
LV function < 40%, hypertension, LV function < 40%, hypertension, diabetes, CKDdiabetes, CKD
Consider for all other patientsConsider for all other patients ARBs for those intolerant of ACEARBs for those intolerant of ACE ARBs + ACE systolic-dysfunction ARBs + ACE systolic-dysfunction
heart failureheart failure
ß-blockersß-blockers
S/P MIS/P MI ACSACS LV dysfunction with or without LV dysfunction with or without
symptoms of heart failure symptoms of heart failure
Statins for PrimaryStatins for Primaryor Secondary Prevention:or Secondary Prevention:
Heart Protection Study (HPS)Heart Protection Study (HPS)
Entry Criteria
Placebo (n=10,267) Simvastatin 40 mg (n=10,269)
Primary end point: All-cause and CV mortality
• Increased risk of CV death due to prior disease (MI, CHD, occlusive disease of noncoronary arteries, or RX’ed HTN)
• Age 40-80 y• TC >135 mg/dL• Statins not clearly indicated or contraindicated
Lancet 2002, 360:7
Steno-2 Study: Multi-risk-factor Intervention Steno-2 Study: Multi-risk-factor Intervention ApproachApproach
160 patients with type 2 diabetes randomized to 160 patients with type 2 diabetes randomized to conventional or intensive treatmentconventional or intensive treatment• • Intensive treatment: stepwise implementation of Intensive treatment: stepwise implementation of
behavior modification and pharmacologic therapy behavior modification and pharmacologic therapy targeting hyperglycemia, hypertension,targeting hyperglycemia, hypertension,
dyslipidemia and microalbuminuriadyslipidemia and microalbuminuria
• • Secondary prevention of cardiovascular disease Secondary prevention of cardiovascular disease with aspirinwith aspirin
Steno-2 StudySteno-2 Study
Gaede P et al. N Engl J Med. 2003;348:383-393.
160 Type 2 DM Subjects With Microalbuminuria
0
10
20
30
40
50
60
70
80
HbA1C <6.5%
TC<175 mg/dL
TG <150 mg/dL
SBP <130 mm Hg
DBP <80 mm Hg
Intensive Rx
Conventional Rx
Per
cen
t
*
*
*
*
*= stat.signif.
Steno-2 Study: Reduction in CV Steno-2 Study: Reduction in CV and Microvascular Diseaseand Microvascular Disease
Reductions After 7.8 Years of Intensive vs Conventional Rx
-64
-62
-60
-58
-56
-54
-52
-50
-48
CV Disease Nephropathy Retinopathy Autonomic Dysfunction
Gaede P et al. N Engl J Med. 2003;348:383-393.
Steno-2 Study ConclusionsSteno-2 Study Conclusions
• Multifactorial intervention, including patient
education and motivation in diabetes management,
may reduce risks of both cardiovascular and
microvascular events by up to 50%.
How do you leverage How do you leverage current systems?current systems?
Use baseline dataUse baseline data Pick those areas you think most Pick those areas you think most
important to change; PDSAsimportant to change; PDSAs Encourage all members of the care team Encourage all members of the care team
to participate to improve outcomesto participate to improve outcomes Re-enforce the message and the Re-enforce the message and the
importance of lifestyle issues – self-importance of lifestyle issues – self-managementmanagement
Measure over time Measure over time
Selected measures: Selected measures:
AQA AQA http://www.aqaalliance.org/http://www.aqaalliance.org/ NQF NQF http://www.qualityforum.org/http://www.qualityforum.org/ NCQA (HEDIS) NCQA (HEDIS) http://web.ncqa.org/http://web.ncqa.org/ HDC HDC
http://www.healthdisparities.nethttp://www.healthdisparities.net PQRI PQRI
http://www.cms.hhs.gov/apps/ama/lihttp://www.cms.hhs.gov/apps/ama/license.asp?file=/PQRI/downloads/Mecense.asp?file=/PQRI/downloads/Measure_Specifications_061807.pdfasure_Specifications_061807.pdf
Time for Time for DialogueDialogue