Administration of Magnesium Sulfate to Women with Premature Labor: The Effect on Bleeding Time
نویسنده
چکیده مقاله:
Dear Editor, I read with interest the article by Yazdani, M, et al, on the administration of magnesium sulfate to women with premature labor and its effect on the bleeding time, published in the Iranian Journal of Medical Sciences.1I found it interesting but I would like to make some points regarding to this study:There are several methods for the measurement of bleeding time (BT). Those include Dock method, Ivy's method and standard method by Template.2 Although, the measurement of BT was the main outcome of the study, the authors did not mention the method used.The concentration of hemoglobin has been measured 6–22 hrs after delivery. In normal delivery, on average, the patient may have about 600 ml blood loss which is significant. In hemorrhagic episodes, to prevent the falsely high reading of hemoglobin caused by hemo-concentrations, it should be measured at least 24 hrs after the bleeding has stopped.3 Whereas, in this study hemoglobin was measured earlier. Author’s Reply In reply to the above-mentioned questions, I have to declare that:In this study we measured the bleeding time by Ivy’s method. Unfortunately, the technique was omitted in the revised version.The maximum blood loss in a normal delivery is almost 500 ml, according to the William’s obstetrics textbook. In this study, it was between 150 to 350 ml. Hemoglobin concentration is routinely measured 6 to even 26 hrs after delivery. Although, it may have minimal effects on the result, it is unlikely to cause a significant effect on the bleeding time. M. Yazdani MD,Department of Obstetrics & Gynecology,SchoolofMedicine,ShirazUniversityof Medical Sciences,Shiraz, Iran.Tel: +98 711 6286637Fax: +98 711 2332365E-mail: [email protected]
منابع مشابه
administration of magnesium sulfate to women with premature labor: the effect on bleeding time
dear editor, i read with interest the article by yazdani, m, et al , on the administration of magnesium sulfate to women with premature labor and its effect on the bleeding time, published in the iranian journal of medical sciences . 1 i found it interesting but i would like to make some points regarding to this study: there are several methods for the measurement of bleeding time (bt). those...
متن کاملEffects of Magnesium Sulfate on Bleeding Time in Premature Labor
Background: Several studies have shown that administration of magnesium sulfate prolongs the bleeding time. Objective: To investigate such effects in pregnant women in Shiraz, southern Iran. Methods:This study was conducted on 30 pregnant women aged between 18 and 32 yrs, with a gestational age of 20 to 37 weeks, who presented to Hafez and Zeynabiyeh Emergency Units affiliated to Shiraz Univer...
متن کاملThe Effect of Magnesium Sulfate Therapy on Bleeding Time in Women with Threatened Preterm Labor
Magnesium sulfate is widely used in obstetrics and is drug of choice in two important complications of pregnancy, preeclampsia and preterm labor. The antagonistic effects of magnesium sulfate on calcium ion and on platelet aggregation may lead to changes in bleeding time. This study was conducted to evaluate the effect of magnesium sulfate on bleeding time in women with threatened preterm labor...
متن کاملeffects of magnesium sulfate on bleeding time in premature labor
background: several studies have shown that administration of magnesium sulfate prolongs the bleeding time. objective: to investigate such effects in pregnant women in shiraz, southern iran. methods: this study was conducted on 30 pregnant women aged between 18 and 32 yrs, with a gestational age of 20 to 37 weeks, who presented to hafez and zeynabiyeh emergency units affiliated to shiraz un...
متن کاملthe effect of magnesium sulfate therapy on bleeding time in women with threatened preterm labor
magnesium sulfate is widely used in obstetrics and is drug of choice in two important complications of pregnancy, preeclampsia and preterm labor. the antagonistic effects of magnesium sulfate on calcium ion and on platelet aggregation may lead to changes in bleeding time. this study was conducted to evaluate the effect of magnesium sulfate on bleeding time in women with threatened preterm labor...
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نتایج این مطالعه نشان می دهد که مقدار کلسیم (یونیزه و تام)، منیزیم و فسفر به طور معنی داری تغییر پیدا کرد به جزء مقدار کلسیم تام و منیزیم در روش داخل عضلانی که تغییر معنی داری نداشته است. بر اساس نتایج این مطالعه می توان نتیجه گیری کرد که اکسی تتراساکلین بر روی مقادیر سرمی کلسیم و منیزیم تأثیر می گذارد باید مقدار این کاتیون ها در بیماران، در هنگامی که اکسی تتراسایکلین استفاده می شود مورد توجه ق...
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عنوان ژورنال
دوره 30 شماره 1
صفحات 48-
تاریخ انتشار 2005-03-01
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