Single Uterine Access for Bilateral Pleuroamniotic Shunting in Fetuses with Severe Hydrothorax by an Internal Rotational Maneuver: Feasibility and Outcomes between Successful and Failed Procedures

2021 ◽  
Vol 48 (3) ◽  
pp. 209-216
Author(s):  
Rogelio Cruz-Martínez ◽  
Cristian Sosa Sosa ◽  
Miguel Martínez-Rodríguez ◽  
Alma Gámez-Varela ◽  
Rosa Villalobos-Gómez ◽  
...  
Keyword(s):  
Survival Rate ◽  
Prospective Cohort ◽  
Lower Risk ◽  
Perinatal Death ◽  
Fetal Surgery ◽  
Perinatal Outcomes ◽  
Fetal Intervention ◽  
Surgical Time ◽  
Final Population ◽  
Surgery Center

<b><i>Objective:</i></b> The objective of this study was to describe the feasibility of single percutaneous uterine access for bilateral pleuroamniotic shunting (PAS) in fetuses with severe hydrothorax by using an internal rotational maneuver and to compare perinatal outcomes between successful and failed procedures. <b><i>Methods:</i></b> A prospective cohort of 25 fetuses with isolated bilateral hydrothorax and hydrops were referred to our fetal surgery center in Queretaro, Mexico during an 8-year period. Bilateral PAS was first attempted through a percutaneous single uterine access by internal rotation of the fetus, which was achieved by using the blunt tip of the same cannula, and in case of a failed procedure, a second uterine port was used to place the second shunt. The perinatal outcomes between successful (single uterine port) and failed (2 uterine ports) fetal procedures were compared. <b><i>Results:</i></b> Placing of bilateral shunts through a percutaneous single uterine access was feasible in 15/25 (60%) cases. Overall, median GA at delivery was 35.2 weeks with a survival rate of 64.0% (16/25). Three cases were excluded due to shunt dislodgement, leaving a final population of 22 fetuses; 13/22 (59.1%) and 9/22 (40.9%) managed using 1 and 2 uterine ports, respectively. The group with bilateral PAS placement through a successful single uterine port showed a significantly higher GA at birth (36.5 vs. 32.8 weeks, <i>p</i> = 0.001), lower surgical time (11.0 vs. 19.0 min, <i>p</i> = 0.01), longer interval between fetal intervention and delivery (5.7 vs. 2.7 weeks, <i>p</i> = 0.01), lower risk of preterm delivery (46.2 vs. 100%, <i>p</i> &#x3c; 0.01), and lower rate of perinatal death (15.4 vs. 55.6%, <i>p</i> &#x3c; 0.05) than the failed procedures requiring 2 uterine ports. <b><i>Conclusion:</i></b> In fetuses with severe bilateral hydrothorax and hydrops, bilateral pleuroamniotic shunting through a successful single percutaneous uterine access is feasible in up to 60% of cases and is associated with better perinatal outcomes.

scholarly journals Open Fetal Microneurosurgery for Intrauterine Spina Bifida Repair

2021 ◽  
pp. 1-11
Author(s):  
Rogelio Cruz-Martínez ◽  
Felipe Chavelas-Ochoa ◽  
Miguel Martínez-Rodríguez ◽  
Karla Aguilar-Vidales ◽  
Alma Gámez-Varela ◽  
...  
Keyword(s):  
Spina Bifida ◽  
Amniotic Fluid ◽  
Open Surgery ◽  
Perinatal Death ◽  
Fetal Surgery ◽  
Perinatal Outcomes ◽  
Surgery Technique ◽  
Ventriculoperitoneal Shunting ◽  
Surgery Center

<b><i>Objectives:</i></b> The aim of the study was to describe the feasibility of open fetal microneurosurgery for intrauterine spina bifida (SB) repair and to compare perinatal outcomes with cases managed using the classic open fetal surgery technique. <b><i>Methods:</i></b> In this study, we selected a cohort of consecutive fetuses with isolated open SB referred to our fetal surgery center in Queretaro, Mexico, during a 3.5-year period (2016–2020). SB repair was performed by either classic open surgery (6- to 8-cm hysterotomy with leakage of amniotic fluid, which was replaced before uterine closure) or open microneurosurgery, which is a novel technique characterized by a 15- to 20-mm hysterotomy diameter, reduced fetal manipulation by fixing the fetal back, and maintenance of normal amniotic fluid and uterine volume during the whole surgery. Perinatal outcomes of cases operated with the classic open fetal surgery technique and open microneurosurgery were compared. <b><i>Results:</i></b> Intrauterine SB repair with a complete 3-layer correction was successfully performed in 60 cases either by classic open fetal surgery (<i>n</i> = 13) or open microneurosurgery (<i>n</i> = 47). No significant differences were observed in gestational age (GA) at fetal intervention (25.4 vs. 25.1 weeks, <i>p</i> = 0.38) or surgical times (107 vs. 120 min, <i>p</i> = 0.15) between both groups. The group with open microneurosurgery showed a significantly lower rate of oligohydramnios (0 vs. 15.4%, <i>p</i> = 0.01), preterm rupture of the membranes (19.0 vs. 53.8%, <i>p</i> = 0.01), higher GA at birth (35.1 vs. 32.7 weeks, <i>p</i> = 0.03), lower rate of preterm delivery &#x3c;34 weeks (21.4 vs. 61.5%, <i>p</i> = 0.01), and lower rate of perinatal death (4.8 vs. 23.1%, <i>p</i> = 0.04) than the group with classic open surgery. During infant follow-up, the rate of hydrocephalus requiring ventriculoperitoneal shunting was similar between both groups (7.5 vs. 20%, <i>p</i> = 0.24). All patients showed an intact hysterotomy site at delivery. <b><i>Conclusion:</i></b> Intrauterine spina repair by open fetal microneurosurgery is feasible and was associated with better perinatal outcomes than classic open fetal surgery.

scholarly journals Benefits of not smoking during pregnancy for Australian Aboriginal and Torres Strait Islander women and their babies: a retrospective cohort study using linked data

BMJ Open ◽  
2019 ◽  
Vol 9 (11) ◽  
pp. e032763 ◽  
Author(s):  
Carol McInerney ◽  
Ibinabo Ibiebele ◽  
Jane B Ford ◽  
Deborah Randall ◽  
Jonathan M Morris ◽  
...  
Keyword(s):  
Preterm Birth ◽  
Gestational Age ◽  
Small For Gestational Age ◽  
Lower Risk ◽  
Perinatal Death ◽  
Perinatal Outcomes ◽  
Smoking During Pregnancy ◽  
Relative Risks ◽  
South Wales ◽  
Adverse Perinatal Outcomes

ObjectivesTo provide evidence for targeted smoking cessation policy, the aim of this study was to compare pregnancy outcomes of Aboriginal mothers who reported not smoking during pregnancy with Aboriginal mothers who reported smoking during pregnancy.DesignPopulation based retrospective cohort study using linked data.SettingNew South Wales, the most populous Australian state.Population18 154 singleton babies born to 13 477 Aboriginal mothers between 2010 and 2014 were identified from routinely collected New South Wales datasets. Aboriginality was determined from birth records and from four linked datasets through an Enhanced Reporting of Aboriginality algorithm.ExposureNot smoking at any time during pregnancy.Main outcome measuresUnadjusted and adjusted relative risks (aRR) and 95% CIs from modified Poisson regression were used to examine associations between not smoking during pregnancy and maternal and perinatal outcomes including severe morbidity, inter-hospital transfer, perinatal death, preterm birth and small-for-gestational age. Population attributable fractions (PAFs) were calculated using adjusted relative risks.ResultsCompared with babies born to mothers who smoked during pregnancy, babies born to non-smoking mothers had a lower risk of all adverse perinatal outcomes including perinatal death (aRR=0.58, 95% CI 0.44 to 0.76), preterm birth (aRR=0.58, 95% CI 0.53 to 0.64) and small-for-gestational age (aRR=0.35, 95% CI 0.32 to 0.39). PAFs (%) were 27% for perinatal death, 26% for preterm birth and 48% for small-for-gestational-age. Compared with women who smoked during pregnancy (n=8919), those who did not smoke (n=9235) had a lower risk of being transferred to another hospital (aRR=0.76, 95% CI 0.66 to 0.89).ConclusionsBabies born to women who did not smoke during pregnancy had a lower risk of adverse perinatal outcomes. Rates of adverse outcomes among Aboriginal non-smokers were similar to those among the general population. These results quantify the proportion of adverse perinatal outcomes due to smoking and highlight why effective smoking cessation programme are urgently required for this population.

scholarly journals 631Benefits of not smoking during pregnancy for Aboriginal women and their babies

2021 ◽  
Vol 50 (Supplement_1) ◽  
Author(s):  
Siranda Torvaldsen ◽  
Ibinabo Ibiebele ◽  
Jane Ford ◽  
Deborah Randall ◽  
Jonathan Morris ◽  
...  
Keyword(s):  
Preterm Birth ◽  
Gestational Age ◽  
Small For Gestational Age ◽  
Lower Risk ◽  
Perinatal Death ◽  
Perinatal Outcomes ◽  
Smoking During Pregnancy ◽  
Relative Risks ◽  
Aboriginal Women ◽  
Adverse Perinatal Outcomes

Abstract Background To provide evidence for targeted smoking cessation policy, the aim of this study was to compare pregnancy outcomes of Aboriginal mothers who reported not smoking during pregnancy with those who reported smoking. Methods This population-based retrospective cohort study used linked data from routinely collected datasets. Not smoking during pregnancy was the exposure of interest among all New South Wales Aboriginal women who became mothers of singleton babies in 2010–2014. Unadjusted and adjusted relative risks (aRR) and 95%CIs from modified Poisson regression were used to examine associations between not smoking during pregnancy and maternal and perinatal outcomes including severe morbidity, inter-hospital transfer, perinatal death, preterm birth and small-for-gestational age. Population attributable fractions (PAFs) were calculated using adjusted relative risks. Results Compared with babies born to mothers who smoked during pregnancy, babies born to non-smoking mothers had a lower risk of all adverse perinatal outcomes including perinatal death (aRR=0.58, 95%CI 0.44–0.76), preterm birth (aRR=0.58, 95%CI 0.53–0.64) and small-for-gestational age (aRR=0.35, 95%CI 0.32–0.39). PAFs(%) were 27% for perinatal death, 26% for preterm birth and 48% for small-for-gestational-age. Compared with women who smoked during pregnancy (n = 8,919), those who did not smoke (n = 9,235) had a lower risk of being transferred to another hospital (aRR=0.76, 95%CI 0.66–0.89). Conclusions Babies born to women who did not smoke had much lower risks of all adverse perinatal outcomes. Key messages Between a quarter and a half of adverse perinatal outcomes in this population could potentially be prevented by an effective smoking cessation program.

scholarly journals Maternal and Perinatal Outcomes in Childbirths with Meconium Stained Amniotic Fluid in a Low-resource Setting: A Prospective Cohort Study

2019 ◽  
pp. 1-11
Author(s):  
Gregory E. Halle-Ekane ◽  
Phyllis N. Fon ◽  
Paul N. Koki ◽  
Alexis A. Tazinya ◽  
Rodrigue Ekollo ◽  
...  
Keyword(s):  
Cohort Study ◽  
Amniotic Fluid ◽  
Prospective Cohort Study ◽  
Prospective Cohort ◽  
Neonatal Intensive Care ◽  
Perinatal Death ◽  
Perinatal Outcomes ◽  
Neonatal Morbidity ◽  
Resource Setting ◽  
Meconium Stained Amniotic Fluid

Meconium stained amniotic fluid (MSAF) can be associated with a high maternal and perinatal mortality. There is paucity of data on maternal and fetal outcomes of MSAF in Cameroon. Aim: The study was to determine the maternal and perinatal outcomes in patients with MSAF. Study Design: Prospective cohort study. Place and Duration of Study: The study carried out in the Limbe Regional Hospital maternity, Cameroon from 10th January 2017 to 20th April 2017. Methodology:  Fifty- two mothers who had MSAF and their neonates, were matched with controls (without MSAF) in a 1:1 ratio after matching for: age, gestational age, parity and body mass index. Risk ratio (RR) of MSAF on the various perinatal outcomes were calculated by multivariate logistic regression with MSAF (-) being the reference. Data was analyzed with Epi Info 7. Results: Two hundred and three deliveries were conducted during the study period with fifty-two with MSAF enrolled in the study. The proportion of participants with MSAF was 19.1%. Parturients who had thick MSAF were 3 times more likely to have caesarean sections (RR: 3.2, 95% CI= 1.1 - 10.2, p = 0.04). Two (3.9%) parturients with chorioamnionitis had MSAF. The neonatal complications were: non- reassuring fetal heart rate (RR=4.4, 95%CI: 1.1-16.8, p=0.02), neonatal sepsis (RR=3.7, 95%CI: 1.4-9.8, p=0.01) and neonatal intensive care unit admissions (RR=2.9, 95%CI: 1.2-6.9, p=0.02), were associated with MSAF. Two (3.9%) had meconium aspiration syndrome on clinical examination. No maternal death was recorded. However, a perinatal death occurred in a parturient with MSAF. Conclusion: The proportion of parturients with MSAF was high. MSAF was associated with increased maternal and neonatal morbidity.  We recommend larger and robust cohort studies to further refine our findings.

Preoperative Cervical Length Predicts the Risk of Delivery within One Week after Pleuroamniotic Shunt in Fetuses with Severe Hydrothorax

2021 ◽  
pp. 1-7
Author(s):  
Alma Gámez-Varela ◽  
Miguel Martínez-Rodríguez ◽  
Hugo López-Briones ◽  
Jonahtan Luna-García ◽  
Eréndira Chávez-González ◽  
...  
Keyword(s):  
Fetal Surgery ◽  
Predictive Performance ◽  
Cervical Length ◽  
Pleural Space ◽  
Fetal Intervention ◽  
Short Cervix ◽  
Mediastinal Shift ◽  
Prelabor Rupture Of Membranes ◽  
Bilateral Lung ◽  
Surgery Center

<b><i>Objective:</i></b> The objective of this study was to assess the predictive performance of preoperative cervical length (CL) for delivery within 1 week after pleuroamniotic shunting (PAS) in fetuses with severe hydrothorax. <b><i>Methods:</i></b> A prospective cohort of fetuses with severe hydrothorax referred to our fetal surgery center in Querétaro, Mexico from January 2012 to July 2020. Severe fetal hydrothorax was diagnosed as an accumulation of fluid within the fetal pleural space accompanied with severe bilateral lung compression, mediastinal shift, polyhydramnios, and/or hydrops. Transvaginal CL was measured immediately before PAS, and a short cervix was defined as that &#x3c;25 mm. The interval from fetal intervention to delivery, prevalence of preterm prelabor rupture of membranes (PPROMs), and associations with delivery within the first week after PAS according to a short or a normal CL, were evaluated. <b><i>Results:</i></b> Thirty-five pregnancies with severe fetal hydrothorax treated with PAS were evaluated. Median gestational age at PAS was (weeks + days) 31<sup>+2</sup> (range, 26<sup>+0</sup>–36<sup>+1</sup>). Two (5.7%) and 7 (20.0%) cases delivered within the first 24 h and 1 week after PAS, respectively. Ten (28.6%) women had a short cervix before PAS, while 25 (71.4%) had normal preoperative CL. Women with a short cervix showed lower mean interval between fetal intervention and delivery (2.4 vs. 5.5 weeks, <i>p</i> = 0.01), and higher prevalence of PPROM (50 vs. 12%, <i>p</i> = 0.01), as compared to women with a nonshort cervix. Preoperative short cervix was associated with significantly higher risk of delivery within the first 24 h (20.0 vs. 0%, respectively, <i>p</i> &#x3c; 0.05) and 1 week after PAS (50.0 vs. 8.0%, respectively, <i>p</i> &#x3c; 0.01) compared with pregnancies with normal preoperative CL. <b><i>Conclusion:</i></b> In pregnancies with severe fetal hydrothorax candidates for pleuroamniotic shunt, identification of a short cervix before fetal intervention can predict delivery within 1 week after the surgical procedure.

scholarly journals Dose–Response Relation between Tea Consumption and Risk of Cardiovascular Disease and All-Cause Mortality: A Systematic Review and Meta-Analysis of Population-Based Studies

2020 ◽  
Vol 11 (4) ◽  
pp. 790-814 ◽  
Author(s):  
Mei Chung ◽  
Naisi Zhao ◽  
Deena Wang ◽  
Marissa Shams-White ◽  
Micaela Karlsen ◽  
...  
Keyword(s):  
Cardiovascular Disease ◽  
Cohort Studies ◽  
Prospective Cohort ◽  
Lower Risk ◽  
Meta Analysis ◽  
Risk Of Bias ◽  
Tea Consumption ◽  
All Cause Mortality ◽  
Specific Mortality ◽  
Cvd Mortality

ABSTRACT Tea flavonoids have been suggested to offer potential benefits to cardiovascular health. This review synthesized the evidence on the relation between tea consumption and risks of cardiovascular disease (CVD) and all-cause mortality among generally healthy adults. PubMed, EMBASE, Web of Science, Cochrane Central Register of Controlled Trials, Food Science and Technology Abstracts, and Ovid CAB Abstract databases were searched to identify English-language publications through 1 November 2019, including randomized trials, prospective cohort studies, and nested case-control (or case-cohort) studies with data on tea consumption and risk of incident cardiovascular events (cardiac or peripheral vascular events), stroke events (including mortality), CVD-specific mortality, or all-cause mortality. Data from 39 prospective cohort publications were synthesized. Linear meta-regression showed that each cup (236.6 mL)  increase in daily tea consumption (estimated 280 mg  and 338 mg  total flavonoids/d for black and green tea, respectively) was associated with an average 4% lower risk of CVD mortality, a 2% lower risk of CVD events, a 4% lower risk of stroke, and a 1.5% lower risk of all-cause mortality. Subgroup meta-analysis results showed that the magnitude of association was larger in elderly individuals for both CVD mortality (n = 4; pooled adjusted RR: 0.89; 95% CI: 0.83, 0.96; P = 0.001), with large heterogeneity (I2 = 72.4%), and all-cause mortality (n = 3; pooled adjusted RR: 0.92; 95% CI: 0.90, 0.94; P &lt; 0.0001; I2 = 0.3%). Generally, studies with higher risk of bias appeared to show larger magnitudes of associations than studies with lower risk of bias. Strength of evidence was rated as low and moderate (depending on study population age group) for CVD-specific mortality outcome and was rated as low for CVD events, stroke, and all-cause mortality outcomes. Daily tea intake as part of a healthy habitual dietary pattern may be associated with lower risks of CVD and all-cause mortality among adults.

scholarly journals Perinatal Outcomes of Small for Gestational Age in Twin Pregnancies: Twin vs. Singleton Charts

2021 ◽  
Vol 10 (4) ◽  
pp. 643
Author(s):  
Veronica Giorgione ◽  
Corey Briffa ◽  
Carolina Di Fabrizio ◽  
Rohan Bhate ◽  
Asma Khalil
Keyword(s):  
Birth Weight ◽  
Preterm Birth ◽  
Gestational Age ◽  
Small For Gestational Age ◽  
Perinatal Death ◽  
Perinatal Outcomes ◽  
Adverse Outcomes ◽  
Chi Square ◽  
Increased Risk ◽  
Twin Pregnancies

Twin pregnancies are commonly assessed using singleton growth and birth weight reference charts. This practice has led to a significant number of twins labelled as small for gestational age (SGA), causing unnecessary interventions and increased risk of iatrogenic preterm birth. However, the use of twin-specific charts remains controversial. This study aims to assess whether twin-specific estimated fetal weight (EFW) and birth weight (BW) charts are more predictive of adverse outcomes compared to singleton charts. Centiles of EFW and BW were calculated using previously published singleton and twin charts. Categorical data were compared using Chi-square or McNemar tests. The study included 1740 twin pregnancies, with the following perinatal adverse outcomes recorded: perinatal death, preterm birth <34 weeks, hypertensive disorders of pregnancy (HDP) and admissions to the neonatal unit (NNU). Twin-specific charts identified prenatally and postnatally a smaller proportion of infants as SGA compared to singleton charts. However, twin charts showed a higher percentage of adverse neonatal outcomes in SGA infants than singleton charts. For example, perinatal death (SGA 7.2% vs. appropriate for gestational age (AGA) 2%, p < 0.0001), preterm birth <34 weeks (SGA 42.1% vs. AGA 16.4%, p < 0.0001), HDP (SGA 21.2% vs. AGA 13.5%, p = 0.015) and NNU admissions (SGA 69% vs. AGA 24%, p < 0.0001), when compared to singleton charts (perinatal death: SGA 2% vs. AGA 1%, p = 0.029), preterm birth <34 weeks: (SGA 20.6% vs. AGA 17.4%, p = 0.020), NNU admission: (SGA 34.5% vs. AGA 23.9%, p < 0.000). There was no significant association between HDP and SGA using the singleton charts (p = 0.696). In SGA infants, according to the twin charts, the incidence of abnormal umbilical artery Doppler was significantly more common than in SGA using the singleton chart (27.0% vs. 8.1%, p < 0.001). In conclusion, singleton charts misclassify a large number of twins as at risk of fetal growth restriction. The evidence suggests that the following twin-specific charts could reduce unnecessary medical interventions prenatally and postnatally.

Accuracy Computer-Guided Implant Placement using 3D Planning Software

2020 ◽  
Author(s):  
Gagik Hakobyan
Keyword(s):  
Survival Rate ◽  
3D Modeling ◽  
Treatment Time ◽  
Intraoperative Complications ◽  
Marginal Bone Loss ◽  
Surgical Time ◽  
Surgical Guide ◽  
Minimal Trauma ◽  
Group A ◽  
Group B

Purpose: To evaluate the effectiveness of implant treatment using computer 3D modeling and surgical guided. Materials and Methods: The study included 148 patients who underwent prosthodontics rehabilitation using dental implants in 2015-2020. 3D computer-aided modeling and surgical guide were used to plan the operation. To conduct a comparative analysis of the treatment results, two groups were formed: In group A (included 75 patients, fully guided surgery), in group B (included 73 patients). Results: In patients Group A intraoperative or immediate postoperative complications were noted (errors in the position, inclination), anatomical risk structures were invaded, after 3 years producing a survival rate of 96.2% In patients Group B, intraoperative complications were recorded; membrane perforation 4, errors in the position of the implants 16, the inclination of the implants 18, fenestration 12, after 3 years producing a survival rate of 97.6%. Mean marginal bone loss (MBL) patients in Group A were significantly higher than patients in group B (p < 0.05). In patients Group A the average surgical time from time of anesthesia to the placement of the healing abutment was 10.6 ± 2.9 min per implant, in patients Group B, the average surgical time was 16.4 ± 1.5 min per implant. Conclusion: The 3D modeling method and the controlled positioning of the implant allows surgical access with minimal trauma, reducing treatment time and complications.

Racial and Ethnic Disparities in Adverse Perinatal Outcomes at Term

2021 ◽  
Author(s):  
Jacqueline G. Parchem ◽  
Madeline Murguia Rice ◽  
William A. Grobman ◽  
Jennifer L. Bailit ◽  
Ronald J. Wapner ◽  
...  
Keyword(s):  
Relative Risk ◽  
Primary Outcome ◽  
Perinatal Death ◽  
Ethnic Disparities ◽  
Perinatal Outcomes ◽  
Adjusted Relative Risk ◽  
Racial And Ethnic Disparities ◽  
Risk Pregnancy ◽  
Black Patients ◽  
Adverse Perinatal Outcomes

Objective This study aimed to evaluate whether racial and ethnic disparities in adverse perinatal outcomes exist at term. Study Design We performed a secondary analysis of a multicenter observational study of 115,502 pregnant patients and their neonates (2008–2011). Singleton, nonanomalous pregnancies delivered from 37 to 41 weeks were included. Race and ethnicity were abstracted from the medical record and categorized as non-Hispanic White (White; referent), non-Hispanic Black (Black), non-Hispanic Asian (Asian), or Hispanic. The primary outcome was an adverse perinatal composite defined as perinatal death, Apgar score < 4 at 5 minutes, ventilator support, hypoxic–ischemic encephalopathy, subgaleal hemorrhage, skeletal fracture, infant stay greater than maternal stay (by ≥ 3 days), brachial plexus palsy, or facial nerve palsy. Results Of the 72,117 patients included, 48% were White, 20% Black, 5% Asian, and 26% Hispanic. The unadjusted risk of the primary outcome was highest for neonates of Black patients (3.1%, unadjusted relative risk [uRR] = 1.16, 95% confidence interval [CI]: 1.04–1.30), lowest for neonates of Hispanic patients (2.1%, uRR = 0.80, 95% CI: 0.71–0.89), and no different for neonates of Asian (2.6%), compared with those of White patients (2.7%). In the adjusted model including age, body mass index (BMI), smoking, obstetric history, and high-risk pregnancy, differences in risk for the primary outcome were no longer observed for neonates of Black (adjusted relative risk [aRR] = 1.06, 95% CI: 0.94–1.19) and Hispanic (aRR = 0.92, 95% CI: 0.81–1.04) patients. Adding insurance to the model lowered the risk for both groups (aRR = 0.85, 95% CI: 0.75–0.96 for Black; aRR = 0.68, 95% CI: 0.59–0.78 for Hispanic). Conclusion Although neonates of Black patients have the highest frequency of adverse perinatal outcomes at term, after adjustment for sociodemographic factors, this higher risk is no longer observed, suggesting the importance of developing strategies that address social determinants of health to lessen extant health disparities. Key Points

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