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Management of Diabetes in Pregnancy PowerPoint Presentation

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This medical PowerPoint presentation gives some key management strategies for diabetes in pregnancy. Diabetes in pregnancy is a common medical condition that requires careful management to ensure the health of both the mother and the baby.

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Slide 1-

Management of Diabetes in Pregnancy 1
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Preconception care Management of Diabetes in Pregnancy 2
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Preconception Care for Women With Established T1D or T2D All Women of Child-Bearing Age Provide counseling on effective contraception for all who wish to avoid pregnancy Evaluate and treat diabetes-related complications Women Seeking to Become Pregnant Review risks of uncontrolled diabetes during pregnancy Provide counseling on medications contraindicated during pregnancy Statins, angiotensin-converting-enzyme (ACE) inhibitors, angiotensin II receptor blockers (ARBs), and most non-insulin antihyperglycemic agents Handelsman YH, et al. Endocr Pract. 2015;21(suppl 1):1-87.ADA. Diabetes Care. 2018;41(suppl 1):S137-S143. 3
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Potential Contraindications to Pregnancy in Women with Established Diabetes Ischemic heart disease Untreated active proliferative retinopathy Renal insufficiency Severe gastroenteropathy Jovanovic L, et al. Mt Sinai J Med. 2009;76:269-280. 4
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Preconception Glucose Control for Women with T1D or T2D Handelsman YH, et al. Endocr Pract. 2015;21(suppl 1):1-87.ADA. Diabetes Care. 2018;41(suppl 1):S137-S143. 5
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post-conception care Management of Diabetes in Pregnancy 6
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Diabetes in Pregnancy: Management Goals Educate patients to maintain adequate nutrition and glucose control before conception, during pregnancy, and postpartum Maintain close-to-normal glycemic control prior to and throughout pregnancy Complication risk close to that of women without diabetes Weekly A1C monitoring may be helpful to maintain goals (erythrocyte lifespan is 90 days during pregnancy) Handelsman YH, et al. Endocr Pract. 2015;21(suppl 1):1-87.ADA. Diabetes Care. 2018;41(suppl 1):S137-S143. Patient safety is first priority 7
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Glucose Targets for Pregnant Women: AACE Recommendations 8 FPG, fasting plasma glucose; GDM, gestational diabetes mellitus; PPG, postprandial glucose, T1D, type 1 diabetes; T2D, type 2 diabetes. Handelsman YH, et al. Endocr Pract. 2015;21(suppl 1):1-87.
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Glucose Targets for Pregnant Women: ADA Recommendations 9 FPG, fasting plasma glucose; GDM, gestational diabetes mellitus; PPG, postprandial glucose, T1D, type 1 diabetes; T2D, type 2 diabetes. ADA. Diabetes Care. 2018;41(suppl 1):S137-S143.
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Glycemic Targets During Pregnancy: Expert Recommendations LeRoith D, et. al. Endocrinol Metab Clin N Am. 2011;40: xii-919. Castorino K et al. Curr Diabetes Rep, 2012;12:53-59. ADA. Diabetes Care. 2018;41(suppl 1):S137-S143. Some experts recommend more stringent goals (in particular, for patients on insulin therapy) to prevent maternal and fetal complications 10
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Infant Outcomes With Tight Glucose Control During Pregnancy *Death, shoulder dystocia, bone fracture, or nerve palsy. Crowther CA, et al. N Engl J Med. 2005;352:2477-2486. 11
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Diabetes in Pregnancy: Avoiding Complications Advances in diagnosis and treatment have dramatically reduced morbidity and mortality in both mothers and infants Preconception care Renal impairment, cardiac disease, neuropathy Careful evaluationsat each visit 1st trimester through 1st year postpartum Examine active lesions more frequently Regular ophthalmologic exams Target: systolic BP 110-129 mmHg; diastolic BP 65-79 mmHg Lifestyle changes, behavior therapy, and pregnancy-safe medications (ACE inhibitors and ARBs contraindicated in pregnancy) Hypertension management ACE, angiotensin-converting enzyme; ARB, angiotensin II receptor blocker; BP, blood pressure. Handelsman YH, et al. Endocr Pract. 2015;21(suppl 1):1-87. ADA. Diabetes Care. 2018;41(suppl 1):S137-S143. Jovanovic L, et al. Diabetes Care. 2011;34:53-54. 12
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Early referral to a specialist is essential Collaborative effort among obstetrician/ midwife, endocrinologist, ophthalmologist, registered dietitian, and nurse educator All team members should be engaged in patient education/care prior to and throughout pregnancy Individualized treatment plans, involving a combination of: Glucose monitoring Medical nutrition therapy (MNT) Pharmacotherapy Exercise Weight management Psychological support Diabetes in Pregnancy: Management Approaches Castorino K, Jovanovic L. Clin Chem. 2011;57:221-230. Mathiesen ER, et al. Endocrinol Metab Clin N Am. 2011;40:727-738. 13
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Glucose Monitoring in Pregnant Women with Diabetes: SMBG 14 SMBG, self-monitoring of blood glucose. Jovanovic L, et al. Diabetes Care. 2011;34:53-54. Castorino K, Jovanovic L. Clin Chem. 2011;57:221-230. Chitayat, L, et al. Diabetes Technol Ther. 2009;11:S105-111. SMBG is the cornerstone of glucose management during pregnancy Recommendations Insulin-requiring pregnant patients should perform SMBG ≥3 times daily Morning fasting Premeal (breakfast, lunch, and dinner) 1-hour postprandial (breakfast, lunch, and dinner) Before bed Caveats and Limitations Potential for human error or inconsistencies in performing SMBG and/or self-reporting Hyper- or hypoglycemic episodes may go undetected when readings are intermittent
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Glucose Monitoring in Pregnant Women with Diabetes: A1C 15 HAPO, Hyperglycemia and Adverse Pregnancy Outcomes; SMBG, self-monitoring of blood glucose. Jovanovic L, et al. Diabetes Care. 2011;34:53-54. Castorino K, Jovanovic L. Clin Chem. 2011;57:221-230.Lowe LP, et al. Diabetes Care. 2012;35:574-580. Recommendations Combine with SMBG to safely achieve target glucose levels Weekly A1C during pregnancy recommended SMBG alone can miss certain high glucose values SMBG + A1C yields more complete data for glucose control Clinicians can further optimize treatment decisions with weekly A1C Caveats and Limitations HAPO study suggests OGTT may predict adverse pregnancy outcomes better than A1C in women with diabetes
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Glucose Monitoring in Pregnant Women with Diabetes: CGM 16 CGM, continuous glucose monitoring. Hod M, Jovanovic L. Int J Clin Pract Suppl. 2010 Feb;(166):47-52. Castorino K, Jovanovic L. Clin Chem. 2011;57:221-230. Chitayat, L, et al. Diabetes Technol Ther. 2009;11:S105-111. Blevins TC, et al. Endocr Pract. 2010;16:1-16.Fonseca VA, et al. Endocr Pract. 2016;22:1008-1021. Recommendations CGM devices Measure glucose concentration of interstitial fluid using subcutaneous sensor tip implanted in abdominal wall Identify glycemic excursions that may go undetected with SMBG May be used as educational tool to improve treatment adherence Caveats and Limitations Requires specialized knowledge (provider) and patient education CGM may be useful in patients unable to achieve target glucose levels with SMBG alone
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Reduced Risk of Macrosomia With CGM 17 CGM, continuous glucose monitoring; OR, odds ratio for reduced risk of macrosomia (95% confidence interval). Murphy HR, et al. BMJ. 2008;337:a1680. doi: 10.1136/bmj.a1680. No difference in A1C Weeks Gestation A1C (%) P=0.007 P=0.1 Pregnant Women With T1D or T2D (N=71) Infants with macrosomia (%) OR: 0.36(0.13 to 0.98) P=0.05
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CGM Devices:Professional vs Personal Professional Owned by a health care professional Typically implanted for 3-5 days Data downloaded and analyzed by a health care professional Personal Owned by the patient May be implanted for longer periods (eg, several weeks) Provide continuous feedback on glucose values, which may be read/interpreted by the patient in real time 18 Fonseca VA, et al. Endocr Pract. 2016;22:1008-1021..
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Refer patients for nutritional counseling with registered dietitian familiar with pregnancy Provide a nutritionally adequate diet for pregnancy Achieve normoglycemia Customize standard nutritional recommendations during pregnancy based on: Height Weight Nutritional assessment Level of glycemic control Key recommendations Choose healthy low-carbohydrate, high-fiber sources of nutrition, with fresh vegetables as the preferred carbohydrate sources Count carbohydrates and adjust intake based on fasting, premeal, and postprandial SMBG measurements Avoid sugars, simple carbohydrates, highly processed foods, dairy, juices, and most fruits Eat frequent small meals to reduce risk of postprandial hyperglycemia and preprandial starvation ketosis Medical Nutrition TherapyDuring Pregnancy 19 MNT, medical nutrition therapy. Handelsman YH, et al. Endocr Pract. 2015;21(suppl 1):1-87. ADA. Diabetes Care. 2018;41(suppl 1):S137-S143. Castorino K, Jovanovic L. Clin Chem. 2011;57:221-230. Jovanovic L, et al. Mt Sinai J Med. 2009;76:269-280. Mathiesen ER, et al. Endocrinol Metab Clin N Am. 2011;40:727-738.
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Pharmacologic Treatment of Diabetes During Pregnancy Use insulin to treat hyperglycemia in T1D and T2D and when lifestyle measures do not control glycemia in GDM Basal insulin: NPH or insulin detemir Prandial insulin: insulin analogs preferred, but regular insulin acceptable if analogs not available 20 Handelsman YH, et al. Endocr Pract. 2015;21(suppl 1):1-87.ADA. Diabetes Care. 2018;41(suppl 1):S137-S143.
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Oral Antihyperglycemic TherapyDuring Pregnancy 21 Handelsman YH, et al. Endocr Pract. 2015;21(suppl 1):1-87. ADA. Diabetes Care. 2018;41(suppl 1):S137-S143. Poomalar GK. World J Diabetes. 2015;6:284-295. Micronase (glyburide) prescribing information. New York, NY: Pfizer Inc.; 2015. Diaeta (glyburide) prescribing information. Bridgewater, NJ: sanofi-aventis U.S. LLC; 2009. No other noninsulin antihyperglycemic agents are considered safe during pregnancy.
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Effects of Metformin Therapy During Pregnancy 22 Gui J, et al. PLOS One. 2013;8(5):e64585.
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Benefits and Risks of Metformin Therapy During Pregnancy 23 Gui J, et al. PLOS One. 2013;8(5):e64585.
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Insulin Use During Pregnancy 24 NPH, Neutral Protamine Hagedorn; SMBG, self-monitoring of blood glucose Handelsman YH, et al. Endocr Pract. 2015;21(suppl 1):1-87. ADA. Diabetes Care. 2018;41(suppl 1):S137-S143. Jovanovic L, et al. Mt Sinai J Med. 2009;76:269-280. Castorino K, Jovanovic L. Clin Chem. 2011;57:221-230.
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Pharmacokinetics of Insulins Safe for Use During Pregnancy 25 Handelsman YH, et al. Endocr Pract. 2015;21(suppl 1):1-87. ADA. Diabetes Care. 2018;41(suppl 1):S137-S143. Following a positive pregnancy test, patients with preexisting diabetes being treated with insulin or oral antihyperglycemic medications should be transitioned to one of the above options
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GDM, gestational diabetes mellitus. ADA. Diabetes Care. 2018;41(suppl 1):S137-S143. Initiation of Insulin in GDM 26 Initiate insulin when medical nutrition therapy fails to maintain glucose below the following thresholds
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Insulin Dosing Guidelines During Pregnancy and Postpartum 27 TDD, total daily dose. Castorino K, Jovanovic L. Clin Chem. 2011;57:221-230. Kitzmiller JL, et al. Diabetes Care. 2008;31:1060-1079. Patients with T1D 10-14 weeks gestation: period of increased insulin sensitivity; insulin dosage may need to be reduced accordingly 14-35 weeks gestation: insulin requirements typically increase steadily >35 weeks gestation: insulin requirements may level off or even decline Patients with obesity may require higher insulin dosages than those without obesity
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Continuous Subcutaneous Insulin Infusion During Pregnancy Benefits Mimics physiologic insulin secretion CSII devices use aspart or lispro Safe and effective for management of GDM, T1D, or T2D No significant difference in glycemic control for pregnancy outcomes with CSII versus MDI therapy Can help address daytime or nocturnal hypoglycemia or a prominent dawn phenomenon Limitations Complexity Requires counseling and training Cost Potential for Insulin pump failure User error Infusion site problems 28 CSII, continuous subcutaneous insulin infusion ; GDM, gestational diabetes mellitus; MDI, multiple daily injections; T1D, type 1 diabetes; T2D, type 2 diabetes. Handelsman YH, et al. Endocr Pract. 2015;21(suppl 1):1-87. Castorino K et al. Curr Diab Rep, 2012;12:53-59. Hod M. Jovanovic L. Int J Clin Pract, 2010;64:47-52. Kitzmiller JL, et al. Diabetes Care. 2008;31:1060-1079. Castorino K, Jovanovic L. Clin Chem. 2011;57:221-230.
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Hypoglycemia in Pregnant Women With Diabetes Pathophysiology May be related to fetal absorption of glucose from the maternal bloodstream via the placenta, particularly during periods of maternal fasting Risk Factors History of severe hypoglycemia before pregnancy Impaired hypoglycemia awareness Longer duration of diabetes A1C ≤6.5% at first pregnancy visit High daily insulin dosage Causes of Iatrogenic Hypoglycemia Administration of too much insulin or other anti-hyperglycemic medication Skipping a meal Exercising more than usual Clinical Consequences Minor: anxiety, confusion, dizziness, headache, hunger, nausea, palpitations, sweating, tremors, warmth, weakness Major: coma, traffic accidents, death Severe hypoglycemia: maternal seizuresor hypoxia Management Patient education on prevention and risks (especially during early pregnancy) Frequent SMBG Regular meal timing Accurate medication administration Exercise management 29 Mathiesen ER, et al. Endocrinol Metab Clin N Am. 2011;40:727-738. Inturrisi M, et al. Endocrinol Metab Clin N Am. 2011;40:703-726. Jovanovic L, et al. Mt Sinai J Med. 2009;76:269-280. Kitzmiller JL, et al. Diabetes Care. 2008;31:1060-1079. Hod M. Jovanovic L. Int J Clin Pract. 2010;64:47-52.
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Treatment of Hypoglycemia 30 Patient severely confused or unconscious (requires help) Consume glucose-containing foods (fruit juice, soft drink, crackers, milk, glucose tablets); avoid foods also containing fat Repeat glucose intake if SMBG result remains low after 15 minutes Consume meal or snack after SMBG has returned to normal to avoid recurrence Patient conscious and alert Hypoglycemia symptoms (BG <70 mg/dL) Glucagon injection, delivered by another person Patient should be taken to hospital for evaluation and treatment after any severe episode BG, blood glucose; SMBG, self-monitoring of blood glucose. Handelsman YH, et al. Endocr Pract. 2015;21(suppl 1):1-87.
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Physical Activity During Pregnancy Unless contraindicated, physical activity should be included in a pregnant woman’s daily regimen Regular moderate-intensity physical activity can help to reduce glucose levels in patients with GDM, T1D, T2D Walking Cardiovascular training with weight-bearing, limited to the upper body to avoid mechanical stress on the abdominal region Monitor for hypoglycemia 31 GDM, gestational diabetes mellitus; T1D, type 1 diabetes; T2D, type 2 diabetes. Castorino K, Jovanovic L. Clin Chem. 2011;57:221-230. ADA. Diabetes Care. 2004;27(suppl 1):S88-S90. Jovanovic L, et al. Mt Sinai J Med. 2009;76:269-280.
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Weight Management in Pregnant Women With Diabetes Healthy weight gain targets based on prepregnancy BMI Minimal weight gain for patients with BMI >30 kg/m2 Independent of maternal glucose levels, higher maternal BMI associated with increased risk of: Caesarean delivery Infant birth weight >90th percentile Cord-blood serum C-peptide >90th percentile Achieve weight objectives by maintaining a balanced diet and exercising regularly 32 BMI, body mass index. Castorino K, Jovanovic L. Clin Chem. 2011;57:221-230. Metzger BE, et al. BJOG 2010;117:575-584.
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Labor and Delivery for Women With Diabetes Increased risk of transient neonatal hypoglycemia during the 4-6 hours prior to delivery Monitor blood glucose levels closely during labor to determine patient’s insulin requirements Most women with GDM will not require insulin once labor begins Endocrinologist or diabetes specialist should manage glycemia in women with T1D during labor and delivery 33 GDM, gestational diabetes mellitus; T1D, type 1 diabetes. Castorino K, Jovanovic L. Clin Chem. 2011;57:221-230.
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Psychological Support During Pregnancy in Women With Diabetes Individualized psychosocial interventions are likely to help improve both pregnancy outcomes and patient quality of life Mental health professionals with expertise in diabetes should be included in multidisciplinary healthcare team Healthcare teams can help manage patients’ stress and anxiety before and during pregnancy Identify and address barriers to effective diabetes management, such as fear of hypoglycemia and an inadequate social support network 34 Snoek SJ, et al. Psychology in Diabetes Care, 2nd Ed. West Sussex, England: John Wiley & Sons Inc., 2005:54.Jovanovic L, et al. Mt Sinai J Med. 2009;76:269-280.
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Diabetes in Pregnancy: Postpartum and Lactation Metformin and glyburide are secreted into breast milk and are therefore contraindicated during lactation Breastfeeding plus insulin therapy may lead to severe hypoglycemia Women with T1D at greatest risk Preventive measures Reduce basal insulin dosage Carbohydrate intake prior to breastfeeding Bovine-based infant formulas are linked to increased risk of T1D Avoid in offspring of women with diabetes or at risk for diabetes (eg, history of gestational diabetes, family history of diabetes) Soy-based products are a potential substitute 35 Castorino K, Jovanovic L. Clin Chem. 2011;57:221-230.
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Postpartum care Management of Diabetes in Pregnancy 36
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Postpartum Care Psychosocial assessment and support Lactation support and education Breastfeeding may confer metabolic benefits to mother and child Women with GDM Test for persistent diabetes 4-12 weeks postpartum with 75-g OGTT Screen for T2D every 3 years after GDM Women with pre-existing T1D or T2D Monitor closely for hypoglycemia and implement prevention tactics as insulin sensitivity returns to normal 1-2 weeks after delivery Discuss family planning options to avoid unplanned future pregnancies 37 GDM, gestational diabetes mellitus; OGTT, oral glucose tolerance test; T1D, type 1 diabetes; T2D, type 2 diabetes. ADA. Diabetes Care. 2018;41(suppl 1):S137-S143.