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. 2020 Nov 1:216:108236.
doi: 10.1016/j.drugalcdep.2020.108236. Epub 2020 Aug 20.

Substance use disorders and risk of severe maternal morbidity in the United States

Marian Jarlenski  1 , Elizabeth E Krans  2 , Qingwen Chen  3 , Scott D Rothenberger  4 , Abigail Cartus  5 , Kara Zivin  6 , Lisa M Bodnar  7
Affiliations

Substance use disorders and risk of severe maternal morbidity in the United States

Marian Jarlenski et al. Drug Alcohol Depend. .

Abstract

Background: The contribution of substance use disorders to the burden of severe maternal morbidity in the United States is poorly understood. The objective was to estimate the independent association between substance use disorders during pregnancy and risk of severe maternal morbidity.

Methods: Retrospective analysis of a weighted 53.4 million delivery hospitalizations from 2003 to 2016 among females aged>18 in the National Inpatient Sample. We constructed measures of substance use disorders using diagnostic codes for cannabis, opioids, and stimulants (amphetamines or cocaine) abuse or dependence during pregnancy. The outcome was the presence of any of the 21 CDC indicators of severe maternal morbidity. Using weighted multivariable logistic regression, we estimated the association between substance use disorders and adjusted risk of severe maternal morbidity. Because older age at delivery is predictive of severe maternal morbidity, we tested for effect modification between substance use and maternal age by age group (18-34 y vs >34 y).

Results: Pregnant women with an opioid use disorder had an increased risk of severe maternal morbidity compared with women without an opioid use disorder (18-34 years: aOR: 1.51; 95 % CI: 1.41,1.61, >34 years: aOR: 1.17; 95 % CI: 1.00,1.38). Compared with their counterparts without stimulant use disorders, pregnant women with a simulant use disorder (amphetamines, cocaine) had an increased risk of severe maternal morbidity (18-34 years: aOR: 1.92; 95 % CI: 1.80,2.0, >34 years: aOR: 1.85; 95 % CI: 1.66,2.06). Cannabis use disorders were not associated with an increased risk of severe maternal morbidity.

Conclusion: Substance use disorders during pregnancy, particularly opioids, amphetamines, and cocaine use disorders, may contribute to severe maternal morbidity in the United States.

Keywords: Cannabis use disorder; Opioid use disorder; Pregnancy; Severe maternal morbidity; Stimulant use disorder.

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Conflict of interest statement

Conflict of Interest

No conflicts deCIared.

Figures

Figure 1.
Figure 1.. Weighted adjusted association between substance use disorders in pregnancy and severe maternal morbidity among females ages 18 and older in the US.
Adjusted odds ratios represent the linear combination of age group, substance use disorders, and their interaction terms. Models control for age, race/ethnicity, patient insurance, rural/urban residence, and all CIinical comorbidities (HIV, HCV, mental health conditions, renal or cardiovascular disease in pregnancy, diabetes or gestational diabetes, hypertension, anemia, asthma, and thyroid disease). Models also control for use of tobacco, alcohol, or any substance use other than the primary substance.
See this image and copyright information in PMC

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