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Prolonged prothrombin time in hyperemesis gravidarum as an indicator of vitamin K deficiency. | LitMetric

AI Article Synopsis

  • The study investigates the impact of maternal vitamin K deficiency on fetal health, specifically in patients with severe hyperemesis gravidarum.
  • Researchers compared coagulation factors in hyperemesis patients with those undergoing other procedures and found significant changes, particularly in prothrombin time.
  • Timely vitamin K supplementation can normalize coagulation levels, potentially preventing serious fetal complications related to vitamin K deficiency.

Article Abstract

Aim: Maternal vitamin K (VK) deficiency can lead to fetal complications such as cerebral hemorrhage and bone malformations. In this study, we aimed to analyze changes in prothrombin time (PT) and protein induced by VK absence or antagonist II (PIVKA-II) in patients with severe hyperemesis gravidarum with suspected VK deficiency.

Methods: We compared 151 patients with severe hyperemesis gravidarum treated with intravenous nutrition to 46 patients undergoing cervical suturing or benign ovarian tumor surgery before mid-pregnancy.

Results: In the hyperemesis group, coagulation factors, including PT (s), prothrombin activity, INR, and APTT, showed a significant shift toward fibrinolysis compared to control (p < 0.001). The changes were within the normal range, except for PT (s), which was prolonged (14.6 ± 1.4 s). PIVKA-II was measured 25 times in 11 cases of hyperemesis and significantly correlated with PT (s). Moreover, VK was supplemented in four cases with severe VK deficiency, promptly normalizing both PT (s) and PIVKA-II.

Conclusions: Monitoring VK deficiency using PT (s) and PIVKA-II, with timely VK supplementation, may help prevent fetal complications in severe hyperemesis gravidarum.

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Source
http://dx.doi.org/10.1111/jog.16198DOI Listing

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