ارتباط بین 25 هیدروکسی ویتامین D، تست‌های عملکردی و اتوایمیونیتی تیروئید در زنان باردار سه ماهه اول

نوع مقاله : اصیل پژوهشی

نویسندگان

1 استادیار گروه داخلی، مرکز تحقیقات دیابت، پژوهشکده سلامت، دانشکده پزشکی، دانشگاه علوم پرشکی جندی شاپور اهواز، اهواز، ایران.

2 رزیدنت گروه بیماری‌های داخلی، دانشکده پزشکی، دانشگاه علوم پزشکی جندی شاپور اهواز، اهواز، ایران.

3 استادیار گروه زنان و مامایی، دانشکده پزشکی، دانشگاه علوم پزشکی جندی شاپور اهواز، اهواز، ایران.

چکیده

مقدمه: کمبود 25 هیدروکسی ویتامین D با پیامدهای منفی در طول بارداری مرتبط است. با توجه به اهمیت و شیوع این دو و اطلاعات محدود و ضدونقیض در زمینه ارتباط آنها، مطالعه حاضر با هدف بررسی ارتباط بین سطح 25 هیدروکسی ویتامین D و تست‌های عملکردی تیروئید در سه ماه اول بارداری انجام شد.
روش‌کار: این مطالعه به‌صورت مقطعی در سال 1398 بر روی 200 زن سه ماهه اول بارداری انجام شد. سطح سرمی 25 هیدروکسی ویتامین ­ D(جهت بررسی ویتامین D)، total T4، TSH (جهت بررسی عملکرد تیروئید) و TPO آنتی ­بادی (جهت بررسی اتوایمیونیته) اندازه ­گیری شد. تجزیه و تحلیل داده‌ها با استفاده از نرم‌افزار آماری SPSS (نسخه 25) و ضریب همبستگی اسپیرمن  و آزمون‌های کروسکال والیس و من‌ویتنی انجام شد. میزان p کمتر از 05/0 معنی‌دار در نظر گرفته شد.
یافته‌ها: از نظر آماری تفاوت معناداری در میانگین سطح TSH (272/0=p) و T4 (538/0=p) برای سطوح مختلف ویتامین D مشاهده نشد، اگرچه در گروهی که بر اساس TSH در محدوده یوتیروئید (2/0 تا 9/3 میلی‌گرم واحد بین‌المللی در لیتر) بودند، سطح ویتامین D به‌طور معناداری بالاتر بود (013/0=p). ارتباط معکوس و معناداری بین سطح کمبود (034/0=p) و ناکافی (019/0=p) ویتامین D با مثبت شدن تیتر TPO آنتی‌بادی یافت شد.
نتیجه­ گیری: به‌نظر می­ رسد بین کمبود ویتامین D و اتوایمیونیته تیروئید و همچنین بین سطح ویتامین D کافی و قرار گرفتن در وضعیت یوتیروئید ارتباط وجود دارد، لذا پیشنهاد می ­شود کمبود ویتامین D در زنان پیش از اقدام به بارداری اصلاح شود. 

کلیدواژه‌ها


عنوان مقاله [English]

The relationship between 25-hydroxyvitamin D, thyroid function and autoimmunity in the women at first trimester of pregnancy

نویسندگان [English]

  • Ferdos Zaman 1
  • Elham Bahramipour 2
  • Zahra Farhangiyan 1
  • Mozhgan Barati 3
  • Leila Moradi 1
1 Assistant Professor, Department of Internal Medicine, Diabetes Research Center, Health Research Institute, Faculty of Medicine, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran.
2 Resident, Department of Internal Medicine, Faculty of Medicine, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran.
3 Assistant Professor, Department of Obstetrics and Gynecology, Faculty of Medicine, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran.
چکیده [English]

Introduction: Hypovitaminosis D and thyroid disorders are associated with negative consequences during pregnancy. Regarding to the importance and prevalence of these two and the limited and contradictory information on their relationship, the present study was performed aimed to investigate the relationship between the level of 25-hydroxyvitamin D and thyroid function tests in the first trimester of pregnancy.
Methods: This cross-sectional study was conducted in 2019 on 200 women in the first trimester of pregnancy.  Serum levels of 25 hydroxyvitamin D (to check vitamin D), total thyroxine (TT4), and thyroid-stimulating hormone (TSH) (to check thyroid function) and thyroid peroxidase (TPO) antibodies (to check autoimmunity) were measured.  Data were analyzed by SPSS statistical software (version 25) and Spearman's correlation coefficient and Kruskal-Wallis and Mann-Whitney tests. P<0.05 was considered statistically significant.
Results: There was no statistically significant difference in the mean level of TSH and T4 for different levels of vitamin D (p=0.272 and p=0.538, respectively), although in the group that were in the euthyroid range based on TSH (0.2 to  3.9 mg international units per liter), vitamin D level was significantly higher (p=0.013). A significant inverse relationship was found between deficient and insufficient levels of vitamin D with positive TPO antibody titer (p=0.034 and p=0.019, respectively).
Conclusion: It seems that there is a relationship between vitamin D deficiency and thyroid autoimmunity, as well as between sufficient vitamin D levels and being in a euthyroid state, so it is suggested to correct vitamin D deficiency in women before attempting to pregnancy.

کلیدواژه‌ها [English]

  • Autoimmune
  • Pregnancy
  • Thyroid
  • Vitamin D
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