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      Morbilidad neonatal y peso al nacimiento en diabéticas gestacionales con tratamiento insulínico preventivo Translated title: Neonatal morbidity and birth weight in gestational diabetes patients under preventive insulin-treatment

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          Abstract

          OBJETIVO: reportar la morbilidad neonatal y el peso de los recién nacidos en diabéticas mellitus gestacionales (DMG), con tratamiento insulínico preventivo o no, portadoras de factores de riesgo para hiperglucemias tardías. MÉTODOS: estudiamos 230 embarazadas DMG en el período 2004-08, las cuales se dividieron en dos grupos, en uno se administró insulina regular humana Novo Nordisk a dosis de 0,3 Ud/kg de peso ideal, dividida en 3 dosis preprandiales según método de Valdés y Márquez más dieta calculada (grupo de intervención), y al otro (grupo control), solo se le administró dieta calculada, en ninguno de los dos grupos menos de 1 800 kcal/día. Utilizamos el test chi-cuadrado y la t de Student para el análisis de los resultados con valor de p<0,05. RESULTADOS: la morbilidad neonatal en lo referente a hiperbilirrubinemia e hipoglucemia neonatal se comportó con una frecuencia de 5,2 y 2,6 % para el grupo de intervención y ello se elevó a 10,4 y 6,1 respectivamente en el grupo control. La frecuencia de exceso de peso corporal neonatal fue de 6,1% para el grupo de intervención y 25,2 % para el de tratamiento solo con la dieta calculada, la frecuencia de recién nacidos con más de 4 200g fue del 3,5 % en el grupo de insulina preventiva y ello se elevó significativamente a 11,3 % en el grupo control con sólo la dieta calculada. CONCLUSIONES: el tratamiento insulínico preventivo en diabéticas gestacionales con factores de riesgo para hiperglucemia tardía, logró una reducción significativa tanto del exceso de peso corporal como de la macrosomía neonatal según nuestros resultados, muy probablemente por la anticipación lograda a la hiperglucemia tardía.

          Translated abstract

          OBJECTIVE: To report the neonatal morbidity and the newborn weight in diabetes mellitus pregnants (DMP) under preventive or not insulin-treatment, carriers of risk factors for late hyperglycemias. METHODS: A total of 230 DMPs were studied during 2004-2008, who were divided into two groups, in one we administered Nordisk Novo human regular insulin at 0.3 Ud/kg dose of ideal weight, divided into 3 preprandial doses according to Valdés and Márquez method plus a estimated diet (intervention group) and in the other group (control group) only a estimated diet was administered, in no two groups less than 1 800 kcal/day. Chi² test and t Student test were used for results analysis with a value of p < 0.05. RESULTS: The neonatal morbidity concerning the neonatal hyperbilirubinemia and hypoglycemia had a frequency of 5.2 and 2.6 % for intervention group with a increase of 10,.4 and 6.1, respectively in control group. Frequency of neonatal body weight gain was of 6.1 % for intervention group and of 25.2 % for the treatment group only with a estimated diet, newborn frequency above 4.200 g was of 3.5 % in preventive insulin group increasing significantly to 11.3 % in control group with only the estimated diet. CONCLUSIONS: Preventive insulin treatment in diabetic pregnants with risk factors for a later hyperglycemia, achieve a significant reduction in body weight excess and in neonatal macrosomia according to our results, very probable by achieved anticipation to late hyperglycemia

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          The influence of obesity and diabetes on the prevalence of macrosomia.

          This study was undertaken to determine the relative contribution of abnormal pregravid maternal body habitus and diabetes on the prevalence of large-for-gestational-age infants. Maternal and neonatal records for singleton term (> or =37 weeks' estimated gestational age) deliveries January 1997 through June 2001 were reviewed. Subjects were characterized by pregravid body mass index (BMI), divided into underweight (BMI 30 kg/m2) subgroups. Diabetes was classified as gestational, treated with diet alone (A1GDM), or with insulin (A2GDM), and pregestaional diabetes (PDM). Newborn weight greater than the 90th percentile for gestational age, based on published local birth weight data, defined large for gestational age (LGA). The risk of LGA delivery for underweight, overweight, and obese women were compared with that of women with normal pregravid BMI. Multiple regression models, including parity, newborn sex, BMI, race, and diabetes, were constructed to examine the relative effect of abnormal BMI and diabetes on the risk of the delivery of an LGA infant. Complete data for 12,950 deliveries were included (1,640 [13.0%] underweight, 2,991 [23.7%] overweight, and 2,928 [23.2%] obese). LGA delivery affected 11.8% of the study sample; 303 (2.3%) of subjects had A1GDM, whereas 94 (0.7%) had A2GDM, and 133 (1.6%) had PDM. Compared with normal BMI subjects, obese women were at elevated risk for LGA delivery (16.8% vs 10.5%; P 30kg/m 2 [Adjusted odds ratio (AOR) = 1.6]), and PDM (AOR = 4.4). Obesity and pregestational diabetes are independently associated an increased risk of LGA delivery. The impact of abnormal body habitus on birth weight grows as BMI increases. Diabetes has the greatest affect on the normal and underweight population. With the increasing prevalence and relative frequency of overweight and obese women in pregnancy compared with diabetes (46.7% vs 4.1%), abnormal maternal body habitus exhibits the strongest influence on the prevalence of LGA delivery in our population.
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            Neonatal morbidities in gestational diabetes mellitus.

            The currently accepted definition of gestational diabetes mellitus (GDM) is rather broad. One might expect that fetal and neonatal complications that may occur in GDM pregnancy would be similar to those in pregestational diabetic pregnancy. Comparative evaluation of reported data on morbidity in GDM are often hampered by confounding variables (maternal age, parity, obesity) as well as the influence of factors such as ethnic origin, diagnostic criteria, and intervention during pregnancy. Recent observations indicate that GDM may be associated with increased incidence of fetal malformation and perinatal mortality. Such poor outcome is likely confined to a subset of GDM patients in whom diabetes was present but unrecognized before pregnancy. The most frequent and significant morbidity is fetal macrosomia, which in turn is associated with increased risk of birth injuries and asphyxia. In a nationwide study in Sweden (1991-1993) of a large series (n = 3.322) of treated GDM pregnancies, perinatal mortality rate was not increased; but the rate of preeclampsia was doubled, and the rate of emergency cesarean section was 1.6 times higher than in the background population. The rates of fetal macrosomia (> or = 4,500 g), asphyxia, and transient tachypnea were two to three times higher than normal Erb's palsy was 0.7 and 5% in vaginally delivered infants weighing or = 4,500 g, respectively. There is a clear need to define the various levels of glucose intolerance in the mother that may have an adverse effect on the offspring. Of equal importance is to standardize and systematize the criteria used to assess the significance of any such impact.
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              Women with gestational diabetes mellitus in the ACHOIS trial: risk factors for shoulder dystocia.

              Gestational diabetes mellitus (GDM) is associated with increased risk of fetal macrosomia and shoulder dystocia. However, not all women with GDM and fetal macrosomia have shoulder dystocia. To identify the risk factors for shoulder dystocia in women with gestational diabetes using data from women recruited into the routine care group of the ACHOIS trial. A secondary analysis was performed on data collected from women enrolled in the ACHOIS trial. Bivariate analyses were performed using the Fisher exact test. Variables found to be significantly associated with shoulder dystocia and previously identified risk factors were used as explanatory variables in multivariate analyses. A positive relationship was found between the severity of maternal fasting hyperglycaemia and the risk of shoulder dystocia, with a 1 mmol increase in fasting oral glucose-tolerance test leading to a relative risk (RR) of 2.09 (95% CI 1.03-4.25). Shoulder dystocia occurred more often in births requiring operative vaginal delivery (RR 9.58, 95% CI 3.70-24.81, P < 0.001). Macrosomic and large-for-gestational-age infants were more likely to have births complicated by shoulder dystocia (RR 6.27, 95% CI 2.33-16.88, P < 0.001 and RR 4.57, 95% CI 1.74-12.01, P < 0.005, respectively). Fetal macrosomia was the only variable to maintain its significance in all multivariate analyses. Fetal macrosomia is the strongest independent risk factor for shoulder dystocia. Effective preventative strategies are needed.
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                Author and article information

                Journal
                gin
                Revista Cubana de Obstetricia y Ginecología
                Rev Cubana Obstet Ginecol
                Editorial Ciencias Médicas (Ciudad de la Habana, , Cuba )
                0138-600X
                1561-3062
                March 2010
                : 36
                : 1
                : 16-24
                Affiliations
                [01] La Habana orgnameHospital docente Ginecoobstétrico Ramón González Coro. Cuba lemayval@ 123456infomed.sld.cu
                Article
                S0138-600X2010000100004 S0138-600X(10)03600104
                029a0164-1cc5-43e4-bd7f-d399bfc141b2

                This work is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License.

                History
                : 02 October 2009
                : 17 October 2009
                Page count
                Figures: 0, Tables: 0, Equations: 0, References: 17, Pages: 9
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                SciELO Cuba

                Self URI: Texto completo solamente en formato PDF (ES)
                Categories
                OBSTETRICIA

                Diabetes Mellitus gestational,tratamiento insulínico preventivo,Diabetes Mellitus gestacional,preventive insulin treatment

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