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Diabetes Mellitus:
Management Options
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Criteria for the diagnosis of diabetes
  • 1.   Symptoms of diabetes and a casual plasma glucose ≥200 mg/dl (11.1 mmol/l).  Casual is defined as any time of day without regard to time since last meal.  The classic symptoms of diabetes include polyuria, polydipsia, and unexplained weight loss.
  • OR
  • 2. FPG ≥126 mg/dl (7.0 mmol/l).  Fasting is defined as no caloric intake for at least 8 hours
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Criteria for the diagnosis of diabetes (con’t)
    • 3. 2-h PG ≥ 200 mg/dl (11.1 mmol/l) during an OGTT.  The test should be performed as described by the World Health Organization, using a glucose load containing the equivalent of 75 g anhydrous glucose dissolved in water.
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Criteria for testing for diabetes in asymptomatic adult individuals
  • Testing for diabetes should be considered in all individuals at age 45 years and above and, if normal, it should be repeated at 3-year intervals.
  • Testing should be considered at a younger age or be carried out more frequently in individuals who:
    • Are obese (≥ 120% desirable body weight or a BMI ≥ 27 kg/m2)
    • Have a first-degree relative with diabetes
    • Have delivered a baby weighing > 9 lb or have been diagnosed with GDM
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Criteria for testing for diabetes in asymptomatic adult individuals (con’t)
  • Are members of a high-risk ethnic population (e.g., African-American, Latino, Native American, Asian-American, Pacific Islander)
  • Are hypertensive (≥ 140/90 mmHg)
  • Have HDL cholesterol level ≤35 mg/dl (0.90 mmol/l) and/or a triglyceride level
  •    ≥ 250mg/dl (2.82 mmol/l)
  • On a previous testing, had IGT or IFG
  • Have other clinical conditions associated with insulin resistance (e.g., PCOS or acanthosis nigricans)
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DCCT
Risk of Sustained Retinopathy Progression
by HbA1c and Years of Follow-up
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DCCT FINDINGS
  • Lowering Blood Sugar Reduces Risk of:


  • Eye disease 76%
  • Kidney disease 50%
  • Nerve disease 60%
  • Cardiovascular disease 35%
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UKPDS
  • Similar reduction with Type II Diabetes Mellitus


  • Moderate reductions in hypertension and dyslipidemia
      • Significantly improved outcomes
      • 11% reduction in MIs with each 10mm Hg â in SBP
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HbA1c
  • Best determinant of glycemic exposure


  • Mean is a quality indicator
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Glycemic control for nonpregnant individuals with diabetes
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"4"
  • 4 60
  • 5 90
  • 6 120
  • 7 150
  • 8 180
  • 9 210
  • 10 240
  • 11 270
  • 12 300
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Options for monotherapy
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Target Population
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Target Population
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Target Population
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Target Population
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Target Population
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Advantages
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Advantages
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Advantages
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Advantages
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Advantages
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Disadvantages
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Disadvantages
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Disadvantages
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Disadvantages
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Disadvantages
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Total daily dose (mg) & dosing interval
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Total daily dose (mg) & dosing interval
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Total daily dose (mg) & dosing interval
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Total daily dose (mg) & dosing interval
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Total daily dose (mg) & dosing interval
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Monotherapy Pearls
  • All drugs except AGIs and nateglinide equally  reduce HbA1c
  • Metformin usually best for obese- no weight gain
  • Non-SU secretagogues may be useful for irregular meals
  • Metformin and TZDs avoid hypoglycemia
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Clinical Efficacy of Oral Hypoglycemic Agents
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Options for combination therapy
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Insulin Therapy in Type 2 DM
  • Not 1st line, except initially in some
  • 50% need eventually
  • ↓ gluconeogenesis and ↑ glucose uptake
  • Can be combined with oral agents
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Insulin Options:
Long and Intermediate
  • NPH
  • Lente
  • Ultralente
  • Glargine
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Short-acting Insulin Options
  • Regular
  • Lispro
  • Aspartine
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Combination Insulin Options
  • 70 NPH/30 Reg premixture
  • 50 NPH/50 Reg  premixture
  • 75 lispro protamine/25 lispro
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IDC  Insulin Staged Regimens
  • OA – O – O – N
  • R/N – O – R/N – O
  • R/N – O – R – N
  • R – R – R – N
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BID Insulin Division
  • AM PM
  • Distribution 2/3 1/3
  • R/N Ratio 1:2 1:1


  • Premix:  Best for drawing impaired
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Insulin Therapy Profiles
  • Variable absorption of NPH, Lente, Ultralente
  • Peak effect late with regular
  • Split/mixed insulin hypoglycemia
  • Lantus more predictable absorption
  • Humalog/Novolog more rapid peak/fall
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Multiple Dose Insulin Intensive Therapy
  • Basal dose suppresses hepatic glucose output
  • Bolus dose enhances postprandial glucose uptake
  • Basal dose about 50%
  • Bolus doses 10-20% before meals
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Premeal Humalog or Novolog Insulin
  • CHOgm intake/carbohydrate insulin ratio (CIR)
  • CIR=  500
  •     TDD
  • TDD (total daily dose) =  BW (lb)
  •           4
  • Common ratio: 1u/5-15 gms CHO
  • Correction Dose = 1800 /TDD = 1u ↓ of BG mg/dl
  • Ideal BG rise post meal is 30 – 60 mg
  • Out of Target adjustment range  1 u/30-50 BG mg/dl
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"Diabetes Self-Management Skills"
  • Diabetes Self-Management Skills
  • Medical Nutrition Therapy, Activity
  • Patient Education, Glucose Monitoring
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"Diabetes Self-Management Skills"
  • Diabetes Self-Management Skills
  • Medical Nutrition Therapy, Activity
  • Patient Education, Glucose Monitoring
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Clinical Approaches to the Treatment of Dyslipidemia in Patients with Diabetes
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"Diabetes Self-Management Skills"
  • Diabetes Self-Management Skills
  • Medical Nutrition Therapy, Activity
  • Patient Education, Glucose Monitoring
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Blood Pressure Management
(every visit)
Diagnosis and Rx Target <  130/80 mm Hg
  • Nonpharmacologic Therapies
  • Weight management   Physical activity   Sodium restriction  Smoking cessation
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"Diabetes Self-Management Skills"
  • Diabetes Self-Management Skills
  • Medical Nutrition Therapy, Activity
  • Patient Education, Glucose Monitoring
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"Diabetes Self-Management Skills"
  • Diabetes Self-Management Skills
  • Medical Nutrition Therapy, Activity
  • Patient Education, Glucose Monitoring
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Non Pharmacologic Therapy

  • Diet
    • Registered dietitian help preferable
    • MNT (medical nutrition therapy)
    • Weight loss usually needed in Type II
    • Dietary fiber high intake advisable
    • Artificial sweeteners okay
  • Exercise
    • Improves glucose control
    • Reduces cardiovascular risk factors
    • Improves well being
  • Diabetic Education


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Diabetes Management Quality Improvement in a Family Practice Residency Program

  • Sutherland et al. J Am Board Fam Prac 2001;14:245-51
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FPC - Longitudinal Interventions
  • Point of care faculty staffing     1978
  • Elective rotations - IDC 1987
  • Chart Audits 1992
  • HbA1c reminders 1993
  • Diabetic flow sheet 1993
  • Annual educational symposium 1994
  • PharmD educational interface 1995
  • Nursing foot exam preparation 1996
  • Endocrinology clinic rotation 1996
  • Community QA initiatives 1997
  • IFMC Diabetic Care Project 1997
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HbA1c  Mean
  •    FPC’97     FPC’98     IA’97     IA’98        Nat’l (Mean)


  •    7.32       7.25          8.83       8.36    9.5
  • % of Patients
  • ³  8    24.4      21.4          55.7       48.4    50
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Glycemic Control
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Diabetes Indicators Summary
  • FPC had greater utilization of all indicators
  • FPC laboratory monitoring superior and improving
  • FPC foot exam documentation superior
  • FPC eye exam better and improving
  • FPC influenza v. similar but declined for FPC
  • FPC pneumococcal v. rate superior and improving
  • FPC counseling superior, both improving
  • Statewide collaborators improved in most indicators
  • FPC percentage with adequate control is superior
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Indicator Monitoring and Control for NEIFPC (NE)
and Iowa Providers (IA)
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OTHER CLINICAL PEARLS –
TYPE 2 DM
  • Early Dx/Rx ↓ cardiovascular risks
  • Elderly ↑ risk of hypoglycemia- careful aggressive Rx
  • Prevention by lifestyle changes in obese and sedentary
  • Educational interventions cause clinical improvements
  • Most diabetics die of cardiovascular disease
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OTHER CLINICAL PEARLS –
TYPE 2 DM
  • Audit or computer enhanced monitoring system improves outcomes
  • Continuity of care improves quality of care
  • HOPE and LIFE trials - ↓ DM with ACE & ARB use
  • Dietary fiber high intake improves BS & lipids
  • Gap exists between guidelines and care
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Diabetes Mellitus:
Management Options