Benedicte Marie Winther Johannsen1, Janne Tidselbak Larsen1, Thomas Munk Laursen1, Veerle Bergink1, Samantha Meltzer-Brody1, Trine Munk-Olsen1. 1. From the National Center for Register-Based Research and the Center for Integrated Register-Based Research, Department of Economics and Business Economics, Aarhus University, Aarhus, Denmark; the Department of Psychiatry, Erasmus Medical Center, Rotterdam, the Netherlands; and the Department of Psychiatry, University of North Carolina at Chapel Hill School of Medicine, Chapel Hill.
Abstract
OBJECTIVE: The postpartum period is associated with a high risk of psychiatric episodes. The authors studied mortality in women with first-onset severe psychiatric disorders following childbirth and compared their mortality rates with those in women from the background population including other female psychiatric patients (mothers and childless women). METHOD: In a register-based cohort study with linked information from Danish population registers, the authors identified women with first psychiatric inpatient or outpatient contacts 0-3 months postpartum. The main outcome measure was mortality rate ratios (MRRs): deaths from natural causes (diseases and medical conditions) or unnatural causes (suicides, accidents, and homicides). The cohort included 1,545,857 women representing 68,473,423 person-years at risk. RESULTS: In total, 2,699 women had first-onset psychiatric disorders 0-3 months postpartum, and 96 of these died during follow-up. Women with postpartum psychiatric disorders had a higher MRR (3.74; 95% CI=3.06-4.57) than non-postpartum-onset mothers (MRR=2.73; 95% CI=2.67-2.79) when compared with mothers with no psychiatric history. However, childless women with psychiatric diagnoses had the highest MRR (6.15; 95% CI=5.94-6.38). Unnatural cause of death represented 40.6% of fatalities among women with postpartum psychiatric disorders, and within the first year after diagnosis, suicide risk was drastically increased (MRR=289.42; 95% CI=144.02-581.62) when compared with mothers with no psychiatric history. CONCLUSIONS: Women with severe postpartum psychiatric disorders had increased MRRs compared with mothers without psychiatric diagnoses, and the first year after diagnosis represents a time of particularly high relative risk for suicide in this vulnerable group.
OBJECTIVE: The postpartum period is associated with a high risk of psychiatric episodes. The authors studied mortality in women with first-onset severe psychiatric disorders following childbirth and compared their mortality rates with those in women from the background population including other female psychiatricpatients (mothers and childless women). METHOD: In a register-based cohort study with linked information from Danish population registers, the authors identified women with first psychiatric inpatient or outpatient contacts 0-3 months postpartum. The main outcome measure was mortality rate ratios (MRRs): deaths from natural causes (diseases and medical conditions) or unnatural causes (suicides, accidents, and homicides). The cohort included 1,545,857 women representing 68,473,423 person-years at risk. RESULTS: In total, 2,699 women had first-onset psychiatric disorders 0-3 months postpartum, and 96 of these died during follow-up. Women with postpartum psychiatric disorders had a higher MRR (3.74; 95% CI=3.06-4.57) than non-postpartum-onset mothers (MRR=2.73; 95% CI=2.67-2.79) when compared with mothers with no psychiatric history. However, childless women with psychiatric diagnoses had the highest MRR (6.15; 95% CI=5.94-6.38). Unnatural cause of death represented 40.6% of fatalities among women with postpartum psychiatric disorders, and within the first year after diagnosis, suicide risk was drastically increased (MRR=289.42; 95% CI=144.02-581.62) when compared with mothers with no psychiatric history. CONCLUSIONS:Women with severe postpartum psychiatric disorders had increased MRRs compared with mothers without psychiatric diagnoses, and the first year after diagnosis represents a time of particularly high relative risk for suicide in this vulnerable group.
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