DOI: 10.2337/dc08-9020 © 2008 by the American Diabetes Association
Managing Preexisting Diabetes for PregnancySummary of evidence and consensus recommendations for care
1 Division of Maternal-Fetal Medicine, Santa Clara Valley Medical Center, San Jose, California Corresponding author: John L. Kitzmiller, MD, MS, Santa Clara Valley Medical Center, 750 South Bascom Ave., Suite 340, San Jose, CA 95128. E-mail: kitz@batnet.com
Abbreviations: ACR, albumin-to-creatinine ratio ADA, American Diabetes Association ARB, angiotensin II receptor blocker CAN, cardiac autonomic neuropathy CHD, coronary heart disease CrCl, creatinine clearance CSII, continuous subcutaneous insulin infusion CVD, cardiovascular disease DCCT, Diabetes Control and Complications Trial DKA, diabetic ketoacidosis DPN, distal polyneuropathy ECG, electrocardiogram GFR, glomeruler filtration rate IOM, Institute of Medicine MNT, medical nutrition therapy NPDR, nonproliferative diabetic retinopathy PAD, peripheral arterial disease PDR, proliferative diabetic retinopathy RCT, randomized controlled trial SMBP, self-monitoring of blood glucose UAE, urinary albumin excretion
This document presents consensus panel recommendations for the medical care of pregnant women with preexisting diabetes, including type 1 and type 2 diabetes. The intent is to help clinicians deal with the broad spectrum of problems that arise in management of diabetes before and during pregnancy, and to prepare diabetic women for treatment that may reduce complications in the years after pregnancy. A thorough discussion of the evidence supporting the recommendations is presented in the book, Management of Preexisting Diabetes and Pregnancy, authored by the consensus panel and published by the American Diabetes Association (ADA) in 2008 (1). A consensus statement on obstetrical and postpartum management will appear separately. The recommendations are diagnostic and therapeutic actions that are known or believed to favorably affect maternal and perinatal outcomes in pregnancies complicated by diabetes. The grading system adapted by the ADA was used to clarify and codify the evidence that forms the basis for the recommendations (2). Unfortunately there is a paucity of randomized controlled trials (RCTs) of the different aspects of management of diabetes and pregnancy. Therefore our recommendations are often based on trials conducted in nonpregnant diabetic women or nondiabetic pregnant women, as well as on peer-reviewed experience before and during pregnancy in women with preexisting diabetes (3–4). We also reviewed and adapted existing diabetes and pregnancy guidelines (5–10) and guidelines on diabetes complications and comorbidities (2,3,11–14).
A. Organization of preconception and pregnancy care Recommendations
Recommendations for review of patient history and physical examination. B. Glycemic control 1. Perinatal outcome and glycemic goals Recommendations 2. Assessment of metabolic control Recommendations C. Medical nutrition therapy Recommendations D. Insulin therapy Recommendations E. Oral antihyperglycemic agents for type 2 diabetes Recommendations F. Physical activity/exercise Recommendations G. Behavioral therapy Recommendations
A. Metabolic disturbances 1. DKA Recommendations 2. Maternal hypoglycemia Recommendations 3. Thyroid disorders Recommendations B. Management of cardiovascular risk factors 1. Screening for CVD Recommendations 2. Hypertension Recommendations 3. Dyslipidemia Recommendations C. Diabetic nephropathy Recommendations D. Diabetic retinopathy Recommendations E. Diabetic neuropathies Recommendations This article has been cited by other articles:
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