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Maternal and Perinatal Morbidity and Mortality Associated With Anemia in Pregnancy

Smith, Catherine ; Teng, Flora ; Branch, Emma ; Chu, Scally ; Joseph, K S

Obstetrics and gynecology (New York. 1953), 2019-12, Vol.134 (6), p.1234-1244 [Periódico revisado por pares]

United States: by The American College of Obstetricians and Gynecologists. Published by Wolters Kluwer Health, Inc. All rights reserved

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  • Título:
    Maternal and Perinatal Morbidity and Mortality Associated With Anemia in Pregnancy
  • Autor: Smith, Catherine ; Teng, Flora ; Branch, Emma ; Chu, Scally ; Joseph, K S
  • Assuntos: Adult ; Anemia - blood ; Anemia - epidemiology ; Anemia - etiology ; Anemia - mortality ; British Columbia - epidemiology ; Cohort Studies ; Contents ; Female ; Hemoglobins ; Humans ; Incidence ; Infant, Newborn ; Original Research ; Perinatal Mortality ; Pregnancy ; Pregnancy Complications, Hematologic - blood ; Pregnancy Complications, Hematologic - epidemiology ; Pregnancy Complications, Hematologic - etiology ; Pregnancy Complications, Hematologic - mortality ; Pregnancy Outcome ; Registries ; Retrospective Studies ; Risk Factors ; Young Adult
  • É parte de: Obstetrics and gynecology (New York. 1953), 2019-12, Vol.134 (6), p.1234-1244
  • Notas: ObjectType-Article-1
    SourceType-Scholarly Journals-1
    ObjectType-Feature-2
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  • Descrição: OBJECTIVE:To estimate the incidence of anemia in pregnancy and compare the maternal and perinatal outcomes of women with and without anemia. METHODS:We conducted a population-based retrospective cohort study on all pregnant women in British Columbia who had a live birth or stillbirth at or after 20 weeks of gestation between 2004 and 2016. Women were diagnosed with anemia based on two criteriathird-trimester hemoglobin value or a delivery admission diagnosis of anemia (made before delivery). Anemia was categorized into no anemia (hemoglobin 11 g/dL or greater), mild (9–10.9 g/dL), moderate (7–8.9 g/dL), severe (less than 7 g/dL), or anemia of unspecified severity (with diagnosis made before delivery). Logistic regression was used to estimate adjusted odds ratios (aOR) and 95% CIs expressing the association between anemia and maternal and perinatal outcomes. RESULTS:Of 515,270 women in the study population, 65,906 (12.8%) had anemia11.8%, 0.43%, and 0.02% had mild, moderate, and severe anemia, respectively, and 0.58% had anemia of unspecified severity. Anemic women had longer hospitalization duration and more antenatal admissions, and rates of preeclampsia, placenta previa and cesarean delivery were higher among women with anemia. The intrapartum–postpartum blood transfusion rate was 5.1 per 1,000 among women without anemia, and higher among women with anemia (aOR 2.45, 95% CI 1.74–3.45 for mild anemia; 21.3, 95% CI 12.2–37.3 for moderate anemia; not analyzable for severe anemia; and 48.3, 95% CI 6.60–353.9 for anemia of unspecified severity). Anemia was associated with preterm birth (mild anemia, aOR 1.09, 95% CI 1.05–1.12; moderate anemia, aOR 2.26, 95% CI 2.02–2.54; anemia of unspecified severity, aOR 2.27, 95% CI 2.06–2.50), small-for-gestational-age live birth, low 5-minute Apgar score, neonatal death, and perinatal death. CONCLUSION:Maternal anemia in pregnancy represents a common and potentially reversible risk factor associated with antepartum, intrapartum, and postpartum maternal morbidity and perinatal morbidity and mortality.
  • Editor: United States: by The American College of Obstetricians and Gynecologists. Published by Wolters Kluwer Health, Inc. All rights reserved
  • Idioma: Inglês
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