Prospective Study on Premature Labor with Magnesium Sulfate

The efficacy of magnesium sulfate was evaluated as the primary tocolytic agent in the management of patients at risk for premature delivery. Fifteen patients presenting with premature labor between 28 and 35 weeks gestation, given titrated dose intravenously magnesium sulfate till uterine contractio...

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Bibliographic Details
Main Authors: Mayuree Jirapinyo, Pichai Thuvasethakul, Supatra Leelaphiwat
Other Authors: Mahidol University
Format: Article
Published: 2018
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Online Access:https://repository.li.mahidol.ac.th/handle/123456789/16127
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Institution: Mahidol University
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Summary:The efficacy of magnesium sulfate was evaluated as the primary tocolytic agent in the management of patients at risk for premature delivery. Fifteen patients presenting with premature labor between 28 and 35 weeks gestation, given titrated dose intravenously magnesium sulfate till uterine contraction ceased, were prospectively studied. All patients received an additional oral β‐mimetic agent once labor was arrested till 36 weeks gestation. All cases had intact membranes and no contraindications for tocolytic therapy. Tocolysis for more than 72 hours was achieved in 14 cases (93.3%). Delayed tocolysis of more than 7 days was achieved in 13 cases (86.7%). The mean dosage to achieve tocolytic effect was 3.17 g/hr (SD 0.08). The mean serum magnesium level to achieve such effect was 5.38 mg/dl (SD 0.88). Magnesium sulfate was found to be easy to administer and clinically efficacious with minimal adverse effects. It may be used as the first line of tocolytic therapy where β‐sympathomimetic drugs are contraindicated. © 1990 Japanese Society of Obstetrics and Gynaecology