Resumo

SUAREZ CRIVARO, Florencia et al. Insulin resistance and gestational hypertension: A preliminary study in a small population of La Plata Municipality. Acta bioquím. clín. latinoam. [online]. 2018, vol.52, n.1, pp.23-32. ISSN 0325-2957.

Pregnant women with impaired insulin sensitivity are at risk for developing hypertensive disorders. By using a cut-off at 2.64 of the homeostasis model assessment (HOMA-IR) in basal condition (HOMA-0), the population under study (n=154 pregnant women) was split into two groups: 1) with basal HOMA- 0 <2.64 (non-insulin resistant; n=113) and 2) with basal HOMA-0 >2.64 (insulin resistant; n=41). Glucose and insulin circulating levels were analyzed throughout a 2-h oral 75 g glucose tolerance test (OGTT). The relationship between several parameters related to insulin resistance and the prevalence of pregnancy-induced hypertensive disorders was analyzed. Pregnant women (on week 24-28) were submitted to an OGTT, and glucose and insulin plasma concentrations were measured throughout the test. These peripheral metabolites levels and the values of the HOMA-IR and the glucose to insulin ratio (G:I) were analyzed. Anthropometric parameters and pregnancy outcome were recorded. Women with HOMA-0 >2.64 but normal fasting glycemia showed higher insulinemias, G:I values and HOMA-IR values at both times of the OGTT. The latter were at greater risk for developing late pregnancy-induced hypertension compared to women with HOMA-0 ≤2.64.

Palavras-chave : HOMA2-IR; Glycaemia; Insulinemia; Human placental growth factor; Insulin glucose ratio; Oral glucose tolerance test; Anthropometry; Survey; Pregnancy at risk; Public health; Primary prevention.

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