The incidence of severe IVH decreased across California, associated with changes in antenatal steroid exposure and delivery room intubation. Maternal, patient, and delivery room factors accounted for less than one-half of the decrease in severe IVH. Study of other factors, specifically neonatal intensive care unit and hospital-level factors, may provide new insights into policies to reduce severe IVH.
In a geographically diverse U.S. population, the coronavirus disease 2019 (COVID-19) pandemic was not associated with a significant difference in adverse pregnancy outcomes, even when considering severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infection status.
ObjectiveTo describe the relationship of delivery room cardiopulmonary resuscitation (DR-CPR) to short term outcomes of extremely preterm infants.Study DesignThis was a cohort study of 22-27+6/7 weeks gestational age infants during 2005-2011. DR-CPR was defined as chest compressions and/or epinephrine administration. Multivariable logistic regression was used to estimate odds ratios (OR) with 95% confidence intervals (CI) associated with DR-CPR; analysis was stratified by gestational age.ResultsOf 13 758 infants, 856 (6.2%) received DR-CPR. Infants 23+6/7 weeks 22-24-25+6/7 weeks . Infants receiving DR-CPR receiving DR-CPR had similar outcomes to had more severe intraventricular hemorrhage non-recipients (OR 1.36, 95% CI 1.07, 1.72). Infants 26-27+6/7 weeks receiving DR-CPR were more likely to die (OR 1.81, 95% CI 1.30, 2.51) and have intraventricular hemorrhage (OR 2.10, 95% CI 1.56, 2.82). Adjusted hospital DR-CPR rates varied widely (median 5.7%).ConclusionPremature infants receiving DR-CPR had worse outcomes. Mortality and morbidity varied by gestational age.
IMPORTANCETimely access to clinically appropriate obstetric services is critical to the provision of high-quality perinatal care. OBJECTIVE To examine the geographic distribution, proximity, and urban adjacency of US obstetric hospitals by annual birth volume. DESIGN, SETTING, AND PARTICIPANTS This retrospective population-based cohort study identified US hospitals with obstetric services using the American Hospital Association (AHA) Annual Survey of Hospitals and Centers for Medicare & Medicaid provider of services data from 2010 to 2018. Obstetric hospitals with 10 or more births per year were included in the study. Data analysis was performed from November 6, 2020, to April 5, 2021.
Turnout, or external rotation (ER) of the lower extremities, is essential in ballet. The purpose of this study was to utilise physical examination and a biomechanical method for obtaining functional kinematic data using hip and knee joint centres to identify the relative turnout contributions from hip rotation, femoral anteversion, knee rotation, tibial torsion, and other sources. Ten female dancers received a lower extremity alignment assessment, including passive hip rotation, femoral anteversion, tibial torsion, weightbearing foot alignment, and Beighton hypermobility score. Next, turnout was assessed using plantar pressure plots and three-dimensional motion analysis; participants performed turnout to ballet first position on both a plantar pressure mat and friction-reducing discs. A retro-reflective functional marker motion capture system mapped the lower extremities and hip and knee joint centres. Mean total turnout was 129±15.7° via plantar pressure plots and 135±17.8° via kinematics. Bilateral hip ER during turnout was 49±10.2° (36% of total turnout). Bilateral knee ER during turnout was 41±5.9° (32% of total turnout). Hip ER contribution to total turnout measured kinematically was less than expected compared to other studies, where hip ER was determined without functional kinematic data. Knee ER contributed substantially more turnout than expected or previously reported. This analysis method allows precise assessment of turnout contributors.
While it is understood that the need for MDO or tracheostomy should be determined on a case-by-case basis, this study identifies a number of factors that may predict which neonates with micrognathia are at increased risk for meriting early surgical intervention for respiratory and feeding problems.
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