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Relationship of Heme Oxygenase-1 (HO-1) Level with Onset and Severity in Normotensive Pregnancy and Severe Preeclampsia

  • John Johannes Wantania ,
  • Christian Homenta ,
  • Billy Johnson Kepel ,


Background: Preeclampsia still becomes a major problem in pregnancies. Various evidences showed that heme oxygenase-1 (HO-1) is very important in pregnancy. This study aims to understand the relationship of heme oxygenase-1 level with onset and severity in normotensive pregnancy and severe preeclampsia. Methods: This is a cross sectional analytic comparative study, the subjects consisted of 26 patients with normotensive pregnancies and 26 patients with severe preeclampsia. Blood samples from women with < 34 / ≥ 34 weeks’ normotensive pregnancies and women with severe preeclampsia were taken. HO-1 ELISA kit used to quantitate heme oxygenase-1 level in samples. Results: The level of heme oxygenase-1 in normotensive pregnant women < 34 weeks lower than severe preeclampsia pregnant women < 34 weeks (3.28 ± 0.46 ng/mL vs 4.20 ± 0.64 ng/mL, p=0.003, respectively). The median level of heme oxygenase-1 in normotensive pregnant women ≥ 34 weeks was 2.96 (2.41–4.39) ng/mL, while severe preeclampsia pregnant women ≥ 34 weeks was 3.52 (2.88–5.43) ng/mL, (p=0.040). The median level of heme oxygenase-1 in normotensive pregnant women was 3.04 (2.41–4.39) ng/mL, while severe preeclampsia pregnant women was 3.68 (2.88–5.67) ng/mL, (p=0.001). Conclusions: There is correlation between the incidence of severe preeclampsia with heme oxygenase-1 level in < 34 and ≥ 34 weeks of pregnancy. There is a significant difference between the level of heme oxygenase-1 in pregnant women with severe preeclampsia and in women with normotensive pregnancy.



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How to Cite

Wantania, J. J., Homenta, C., & Kepel, B. J. (2016). Relationship of Heme Oxygenase-1 (HO-1) Level with Onset and Severity in Normotensive Pregnancy and Severe Preeclampsia. Bali Medical Journal, 5(1), 105–109.




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John Johannes Wantania
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Christian Homenta
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Billy Johnson Kepel
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