IngentaConnect The contentious nature of gestational diabetes: diet, insulin, gl...

Authors: Glueck C.J.¹; Goldenberg N.; Streicher P.; Wang P.

Source: Expert Opinion on Pharmacotherapy, Volume 3, Number 11, 1 November 2002 , pp. 1557-1568(12)

Abstract:

Gestational diabetes (GD) develops because pregnancy increases requirements for insulin secretion while increasing insulin resistance. Women with GD often have impaired pancreatic beta

-cell compensation for insulin resistance. The nature of GD is currently contentious, with debate about its existence, diagnosis and ramifications for both mother and offspring from pregnancy into later life. Also contentious are the outcomes of intervention with diet, insulin, glyburide (Glynase™, Pharmacia Upjohn) and metformin (Glucophage™, Bristol-Myers Squibb). There is consensus that women with unequivocal GD have a significant risk of adverse perinatal outcomes and increased risk of later type 2 diabetes mellitus. Foetuses from pregnancies with GD have a higher risk of macrosomia (associated with higher rate of birth injuries), asphyxia, and neonatal hypoglycaemia and hyperinsulinaemia. Uncontrolled GD predisposes foetuses to accelerated, excessive fat accumulation, insulin resistance, pancreatic exhaustion secondary to prenatal hyperglycaemia and possible higher risk of child and adult obesity and type 2 diabetes mellitus later in adult life. However, there is no consensus as to whether glucose intolerance of a severity below unequivocal GD is related to adverse maternal, fetal or perinatal outcomes, and whether this relationship is a continuous one. If dietary intervention is not sufficient in the treatment of GD, then, historically, insulin has been added. Recent studies suggest that glyburide may be efficaciously substituted for insulin. Preliminary studies suggest that metformin may have the unique potential to prevent the development of GD.

Keywords: diabetic diet; exercise; gestational diabetes; glyburide; insulin; insulin resistance; metformin; obesity; perinatal and fetal morbidity; polycystic ovary syndrome; type 2 diabetes mellitus

Document Type: Review article

Affiliations: 1: Cholesterol Center, ABC Building, Jewish Hospital of Cincinnati, 3200 Burnet Avenue, Cincinnati, OH 45229, USA

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The contentious nature of gestational diabetes: diet, insulin, glyburide and metformin