Glycemic control following two regimens of antenatal corticosteroids in mild gestational diabetes: A randomized controlled trial
Purpose To compare 3 consecutive days of hyperglycemic response following antenatal dexamethasone regimens of 12-mg or 6-mg doses 12 hourly in diet-controlled gestational diabetes. Methods A randomized controlled trial was carried out in a university hospital in Malaysia. Women with lifestyle-contro...
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| Main Authors: | , , , , |
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| Format: | Article |
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Springer Verlag (Germany)
2021
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| Subjects: | |
| Online Access: | http://eprints.um.edu.my/27947/ |
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| Summary: | Purpose To compare 3 consecutive days of hyperglycemic response following antenatal dexamethasone regimens of 12-mg or 6-mg doses 12 hourly in diet-controlled gestational diabetes. Methods A randomized controlled trial was carried out in a university hospital in Malaysia. Women with lifestyle-controlled gestational diabetes scheduled to receive clinically indicated antenatal corticosteroids (dexamethasone) were randomized to 12-mg 12 hourly for one day (2 x 12-mg) or 6-mg 12-hourly for two days (4 x 6-mg). 6-point (pre and 2-h postprandial) daily self-monitoring of capillary blood sugar profile for up to 3 consecutive days was started after the first dexamethasone injection. Hyperglycemia is defined as blood glucose pre-meal >= 5.3 or 2 h postprandial >= 6.7 mmol/L. The primary outcome was a number of hyperglycemic episodes in Day-1 (first 6 BSP points). A sample size of 30 per group (N = 60) was planned. Results Median interquartile range] hyperglycemic episodes 4 2.5-5] vs. 4 3-5] p = 0.3 in the first day, 3 2-4] vs. 1 0-3] p = 0.01 on the second day, 0 0-1] vs. 0 0-1] p = 0.6 on the third day and over the entire 3 trial days 7 6-9] vs. 6 4-8] p = 0.17 for 6-mg vs. 12-mg arms, respectively. 2/30 (7%) in each arm received an anti-glycemic agent during the 3-day trial period (capillary glucose exceeded 11 mmol/L). Mean birth weight (2.89 vs. 2.49 kg p < 0.01) and gestational age at delivery (37.7 vs. 36.6 weeks p = 0.03) were higher and median delivery blood loss (300 vs. 400 ml p = 0.02) was lower in the 12-mg arm; all other secondary outcomes were not significantly different. Conclusion In gestational diabetes, 2 x 12-mg could be preferred over 4 x 6-mg dexamethasone as hyperglycemic episodes were fewer on Day-2, fewer injections were needed and the regimen was completed sooner. |
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