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Katon WJ, Russo JE, Melville JL, Katon JG, Gavin AR. Depression in pregnancy is associated with preexisting but not pregnancy-induced hypertension. General hospital psychiatry. 2012 Jan 1; 34(1):9-16.
BACKGROUND: The aim was to examine whether depression is associated with preexisting hypertension or pregnancy-induced hypertension in a large sample of women attending a university-based obstetrics clinic. METHODS: In this prospective study, participants were 2398 women receiving ongoing prenatal care at a university-based obstetrics clinic from January 2004 through January 2009. Prevalence of depression was measured using the Diagnostic and Statistical Manual of Mental Disorders, Fourth Edition criteria based on the Patient Health Questionnaire-9 as well as the self-reported use of antidepressant medication. Evidence of preexisting hypertension, pregnancy-induced hypertension and preeclampsia/eclampsia was determined by obstetrician International Classification of Diseases, Ninth Revision codes. Logistic regression was used to quantify the association between hypertension in pregnancy and antenatal depression. RESULTS: After adjusting for sociodemographic variables, chronic medical conditions, smoking and prior pregnancy complications, women with preexisting hypertension had an increased risk of any depression (minor, major, use of antidepressants) [odds ratio (OR) = 1.55, 95% confidence interval (CI) 1.08-2.23) and major depression and/or use of antidepressants (OR = 1.65, 95% CI 1.10-2.48) compared to women without hypertension. No differences were seen in risk of depression in women with pregnancy-induced hypertension or preeclampsia/eclampsia compared to those without hypertension. CONCLUSION: Women with preexisting hypertension, but not pregnancy-induced hypertension, are more likely to meet criteria for an antenatal depressive disorder and/or to be treated with antidepressants and could be targeted by obstetricians for screening for depression and enhanced treatment.