- Effect of Self-monitoring of Blood Glucose on Pregnancy Outcome in Women with Mild Gestational Diabetes.
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Hak Chul Jang, Jeong Eun Park, Chang Hoon Yim, Ho Yeun Chung, Ki Ok Han, Hyun Koo Yoon, In Kwon Han, Moon Young Kim, Jae Hyug Yang, Mi Jung Kim, Sun Young Ko, Yeon Kyung Lee
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Korean Diabetes J. 2001;25(1):93-102. Published online February 1, 2001
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 Abstract
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- BACKGROUND
Self-monitoring of blood glucose (SMBG) and intensive therapy with insulin demonstrated to have a positive effects in the reduction of the neonatal complications in women with gestational diabetes (GDM). However the utility of SMBG in the mild GDM who does not requiring insulin has not been formally reported. Therefore, to evaluate the effectiveness of SMBG in the management of mild GDM, we compared the pregnancy outcome and the postpartum glucose tolerance of women who monitored their glycemic control by SMBG to those of women who monitored by laboratory glucose test at each office visit during pregnancy. METHODS: We studied 185 women diagnosed as a GDM by NDDG criteria and their fasting glucose concentration < 5.8 mM. All subjects had singleton pregnancy,and no medical diseases that may affect fetal growth, and were certain of gestational age by early ultrasonography. They were treated with an identical GDM management protocol except glucose monitoring. One hundred five women were monitored by laboratory glucose test at each office visit (office group) and 80 women were monitored by SMBG (SMBG group). Pregnancy outcome including rates of cesarian section, obstetric complication, LGA infant and glucose tolerance status at postpartum were compared between two groups. RESULTS: The age, height, prepregnancy weight, weight at delivery and parity were not significantly different between the two groups. Fasting, 1-h, 2-h glucose concentration during the diagnostic test of GDM in SMBG group were similar to those of office group. However, 3-h glucose concentration of office group was 0.3 mM higher than that of SMBG group. The rate of primary cesarian section, preterm labor and pregnancy-induced hypertension of SMBG group were similar to those of office group. The mean postprandial 2-h glucose concentration of office group measured at each office was 0.5 mM higher than that of SMBG group. Although 5% of office group were treated with insulin, 24% of SMBG group were requiring insulin therapy. The birth weight and LGA infant rate of office group were 3403 432 g and 28%, those were heavier and higher than those of SMBG group (3169 447 g, 13.8%). The 90% of office group and 84% of SMBG group were performed 75 g oral glucose tolerance test at postpartum 6-8 weeks. There was no significant difference in rates of diabetes and IGT between office and SMBG group (9.5%, 11.6%; 7.5%, 9.0% respectively). CONCLUSIONS: This study demonstrated that SMBG is very seful in early detection of maternal hyperglycemia and lowing the postprandial glucose, as well as reducing the rate of LGA infants in women with mild GDM.
- Prediction of Large for Gestational Age Infant in Women with Gestational Age Infant in Women with Gestational Diabetes Mellitus by Yltrasound Examination.
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In Kwon Han, Hun Kee Min, Chang Hoon Yim, Ho Yeon Jeong, Hak Chul Chang, Ki Ok Han, Hyun Ku Yoon, Jeong Eun Park, Jae Eun Park, So Ra Park, Soo Young Lee, Young Ho Lee
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Korean Diabetes J. 1999;23(3):326-335. Published online January 1, 2001
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Abstract
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- BACKGROUND
In pregnancies complicated by diabetes, fetal hyperinsulinemia increases the deposition of fat, protein and glycogen in insulin-sensitive tissues leading to macrosomia, characterized by shoulder and truncal obesity. This may result in a shoulder dystocia, birth injury or fetal asphyxia. Thus, antenatal prediction of a large fetus for gestational age (LGA) can provide important information for the prevention of obstetric and perinatal complications. However, the measurement of materrml blood glucose concentration has yielded a low sensitivity for the prediction of LGA infants. This study was performed to determine whether fetal ultrasound examination could establish the onset of accelerated fetal growth in women with gestational diabetes mellitus (GDM) and to find the ultrasound indices for prediction of LGA infant. METHODS: The study subjects consisted of 77 women with GDM who had a singleton, and 156 women with a negative screen for GDM matched for age, height, and weight. All subjects had an early ultrasound examination before 14 weeks, assuring accurate dating and did not have any other medical condition that might affect fetal growth. Two ultrasound measurements including biparietal diameter (BPD), abdominal circumference (AC) and femur length (FL) were performed at the 2nd trimester (24.7+2.7 vs. 24.1+2.4 wks, p>0.05) and the 3rd trimester (35.0+1.9 vs. 35.3+1.3 wks,p>0.05, respectively). RESULTS: Although gestational age at delivery of GDM group was earlier than the control group (39.0 +1.4 vs. 39.7+1.1, p<0.01), birth weight and frequency of LGA infant were similar between two groups (3204+439 vs. 3288+371 g, p>0.05; 27.3% vs. 20.5%, p>0.05, respectively). However, the LGA subgroup of GDM had a larger AC and longer FL at the 3rd trimester compared to the appropriate gestational age (AGA) subgroup and control group. The AC of LGA subgroup of GDM appeared to be accelerated at 33 weeks gestation compared to the control group. When the upper limit of 95% confidential interval of AC of the control group was used for a cutoff value for predicting LGA in GDM at the 3rd trimester, sensitivity and specificity was 71% and 78%, respectively. CONCLUSION: The prediction of LGA infant in women with GDM might be achieved by an ultrasound examination of fetal AC at the 3rd trimester, especially after 33 weeks gestation.
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KDA
