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PURPOSE: To characterize temporal trends and outcomes of delivery hospitalization with maternal congenital heart disease (CHD). MATERIALS AND METHODS: For this repeated cross-sectional analysis, deliveries to women aged 15-54 years with maternal CHD were identified in the 2000-2018 National Inpatient Sample. Temporal trends in maternal CHD were analyzed using joinpoint regression to estimate the average annual percentage change (AAPC) with 95% CIs. The relationship between maternal CHD and several adverse maternal outcomes was analyzed with log-linear regression models. Risk for adverse outcomes in the setting of maternal CHD was further characterized based on additional diagnoses of cardiac comorbidity including congestive heart failure, arrhythmia, valvular disease, pulmonary disorders, and history of thromboembolism. RESULTS: Of 73,109,790 delivery hospitalizations, 51,841 had a diagnosis of maternal CHD (7.1 per 10,000). Maternal CHD rose from 4.2 to 10.9 per 10,000 deliveries (AAPC 4.8%, 95% CI 4.2%, 5.4%). Maternal CHD deliveries with a cardiac comorbidity diagnosis also increased from 0.6 to 2.6 per 10,000 from 2000 to 2018 (AAPC 8.4%, 95% CI 6.3%, 10.6%). Maternal CHD was associated with severe maternal morbidity (adjusted risk ratios [aRR] 4.97, 95% CI 4.75, 5.20), cardiac severe maternal morbidity (aRR 7.65, 95% CI 7.14, 8.19), placental abruption (aRR 1.30, 95% 1.21, 1.38), preterm delivery (aRR 1.47, 95% CI 1.43, 1.51), and transfusion (aRR 2.28, 95% CI 2.14, 2.42). Risk for severe morbidity (AAPC 4.7%, 95% CI 2.5%, 6.9%) and cardiac severe morbidity (AAPC 4.7%, 95% CI 2.5%, 6.9%) increased significantly among women with maternal CHD over the study period. The presence of cardiac comorbidity diagnoses was associated with further increased risk. CONCLUSION: Maternal CHD is becoming more common among US deliveries. Among deliveries with maternal CHD, risk for severe morbidity is increasing. These findings support that an increasing burden of risk from maternal CHD in the obstetric population.

ObjectiveTo analyse trends, risk factors, and outcomes related to hypertensive disorders of pregnancy (HDP).DesignRepeated cross-sectional.SettingUS delivery hospitalisations.PopulationDelivery hospitalisations in the 2000-2018 National Inpatient Sample.MethodsUS hospital delivery hospitalisations with HDP were analysed. Several trends were analysed: (i) the proportion of deliveries by year with HDP, (ii) the proportion of deliveries with HDP risk factors and (iii) adverse outcomes associated with HDP including maternal stroke, acute renal failure and acute liver injury. Risk ratios were determined using regression models with HDP as the exposure of interest.Main outcome measuresPrevalence of HDP, risk factors for HDP and associated adverse outcomes.ResultsOf 73.1 million delivery hospitalisations, 7.7% had an associated diagnosis of HDP. Over the study period, HDP doubled from 6.0% of deliveries in 2000 to 12.0% in 2018. The proportion of deliveries with risk factors for HDP increased from 9.6% in 2000 to 24.6% in 2018. In adjusted models, HDP were associated with increased stroke (aRR [adjusted risk ratio] 15.9, 95% CI 14.8-17.1), acute renal failure (aRR 13.8, 95% CI 13.5-14.2) and acute liver injury (aRR 1.2, 95% CI 1.2-1.3). Among deliveries with HDP, acute renal failure and acute liver injury increased; in comparison, stroke decreased.ConclusionHypertensive disorders of pregnancy increased in the setting of risk factors for HDP becoming more common, whereas stroke decreased.Tweetable abstractWhile hypertensive disorders of pregnancy increased from 2000 to 2018, stroke appears to be decreasing.

Much evidence supports a fundamental role for the subthalamic nucleus (STN) in rapidly stopping behavior when a stop signal or surprising event occurs, but the extent to which the STN may be involved in stopping cognitive processes is less clear. Here, we used an optogenetic approach to control STN activity in a delayed-match-to-position (DMTP) task where mice had to recall a response location after a delay. We first demonstrated that a surprising event impaired performance by both slowing the latency to respond and increasing the rate of errors. We next showed that these effects could be mimicked by brief optogenetic activation of the STN. Further, inhibiting STN during surprise blocked surprise-induced slowing, although without changing surprise-induced errors. These data are consistent with the hypothesis that STN is recruited by surprise to slow responding and that this can also interrupt cognitive processes. Under normal conditions STN-mediated stopping of behavior may slow or stop ongoing cognition to facilitate cognitive reorienting and adaptive responses to unexpected sensory information, but when malfunctioning, it could produce pathologies related to over-rigidity or increased distractibility.

OBJECTIVE: To characterize national trends in expedited postpartum discharge and, secondarily, to identify predictors of expedited postpartum discharge and assess whether expedited postpartum discharge was associated with postpartum readmissions within 60 days of delivery hospitalization discharge. METHODS: Birth hospitalizations and subsequent 60- day postpartum readmissions were extracted from the 2016--2020 Nationwide Readmissions Database for this retrospective cohort study. Postpartum discharge was categorized as expedited (less than 2 days after vaginal birth or less than 3 days after cesarean birth), routine (2 days after vaginal birth or 3 days after cesarean birth), or prolonged (more than 2 days after vaginal birth or more than 3 days after cesarean birth). Trends in expedited discharge were assessed over the study period with join-point regression. Unadjusted and adjusted logistic regression models were performed to assess clinical, hospital, and demographic predictors of expedited postpartum discharge. Sixty-day postpartum readmission risk was calculated, and adjusted regression models were performed to evaluate the association between expedited postpartum discharge and readmission. RESULTS: Of 17.9 million birth hospitalizations, 32.9% had expedited postpartum discharge. The overall 60-day postpartum readmission rate after delivery hospitalization discharge was 1.7% for all patients, 1.4% for expedited postpartum discharge, 1.6% for routine discharge, and 3.3% for prolonged discharge. Rates of expedited postpartum increased from 29.1% in 2016 to 31.4% in 2019 and to 43.8% in 2020. This trend was not significant (average annual percent change: 9.9%, 95% CI, 21.6% to 23.7%), although rates of expedited discharge were significantly higher in 2020 than in 2016--2019 (P,.01). Younger and older age, chronic comorbid conditions, mental health conditions, and obstetric complications (eg, transfusion, chorioamnionitis or endometritis) were associated with lower likelihood of expedited postpartum discharge. Expedited postpartum discharge was associated with 14% lower adjusted odds of 60-day postpartum readmission compared with routine discharge (adjusted odds ratio 0.86, 95% CI, 0.85--0.88). CONCLUSION: Rates of expedited postpartum discharge increased significantly in 2020 compared with 2016--2019 and were not associated with 60-day postpartum readmission. These findings suggest that broader use of expedited postpartum discharge has not resulted in increased risk of postpartum readmissions. [ABSTRACT FROM AUTHOR]

Objective: To evaluate risk for adverse obstetric outcomes associated with the coronavirus disease 2019 (COVID‐19) pandemic period and with COVID‐19 diagnoses. Design: Serial cross‐sectional study. Setting: A national sample of US delivery hospitalisations before (1/2016 to 2/2020) and during the first 10 months of (3/2020 to 12/2020) the COVID‐19 pandemic. Population: All 2016–2020 US delivery hospitalisations in the National Inpatient Sample. Methods: Delivery hospitalisations were identified and stratified into pre‐pandemic and pandemic periods and the likelihood of adverse obstetric outcomes was compared using logistic regression models with adjusted odds ratios (aOR) with 95% confidence intervals (CI) as measures of association. Risk for adverse outcomes was also analysed specifically for 2020 deliveries with a COVID‐19 diagnosis. Main Outcome Measure: Adverse maternal outcomes including respiratory complications and cardiac morbidity. Results: Of an estimated 18.2 million deliveries, 2.9 million occurred during the pandemic. The proportion of delivery hospitalisations with a COVID‐19 diagnosis increased from 0.1% in March 2020 to 3.1% in December. Comparing the pandemic period to the pre‐pandemic period, there were higher adjusted odds of transfusion (aOR 1.12, 95% CI 1.05–1.19), a respiratory complication composite (aOR 1.37, 95% CI 1.29–1.46), cardiac severe maternal morbidity (aOR 1.30, 95% 1.20–1.39), postpartum haemorrhage (aOR 1.19, 95% CI 1.15–1.24), placental abruption/antepartum haemorrhage (OR 1.04, 95% CI 1.00–1.08), and hypertensive disorders of pregnancy (OR 1.23, 95% CI 1.21–1.26). These associations were similar to unadjusted analysis. Risk for these outcomes during the pandemic period was significantly higher in the presence of a COVID‐19 diagnosis. Conclusions: In a national estimate of delivery hospitalisations, the odds of cardiac and respiratory outcomes were higher in 2020 compared with 2016–2019. COVID‐19 diagnoses were specifically associated with a range of serious complications. [ABSTRACT FROM AUTHOR]