Obstetric near misses among women with serious mental illness: data linkage cohort study.

Publisher:
CAMBRIDGE UNIV PRESS
Publication Type:
Journal Article
Citation:
Br J Psychiatry, 2021, 219, (3), pp. 494-500
Issue Date:
2021-09
Full metadata record
BACKGROUND: Investigating obstetric near misses (life-threatening obstetric complications) provides crucial information to prevent maternal mortality and morbidity. AIMS: To investigate the rate and type of obstetric near misses among women with serious mental illness (SMI). METHOD: We conducted a historical cohort study, using de-identified electronic mental health records linked with maternity data from Hospital Episode Statistics. The English Maternal Morbidity Outcome Indicator was used to identify obstetric near misses at the time of delivery in two cohorts: (1) exposed cohort - all women with a live or still birth in 2007-2016, and a history of secondary mental healthcare before delivery in south-east London (n = 13 570); (2) unexposed cohort - all women with a live or still birth in 2007-2016, resident within south-east London, with no history of mental healthcare before delivery (n = 223 274). RESULTS: The rate of obstetric near misses was 884.3/100 000 (95% CI 733.2-1057.4) maternities in the exposed group compared with 575.1/100 000 (95% CI 544.0-607.4) maternities in the unexposed group (adjusted odds ratio 1.6, 95% CI 1.3-2.0, P < 0.001). Highest risks were for acute renal failure (adjusted odds ratio 2.1, 95% CI 1.1-3.8, P = 0.022); cardiac arrest, failure or infarction (adjusted odds ratio 2.3, 95% CI 1.1-4.8, P = 0.028); and obstetric embolism (adjusted odds ratio 3.1, 95% CI 1.6-5.8, P < 0.001). CONCLUSIONS: Findings emphasise the importance of integrated physical and mental healthcare before and during pregnancy for women with SMI.
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