Publications by authors named "Rashmi D Sahay"

Importance: Whether maternal hypertensive disorders of pregnancy (HDP) confer independent neurodevelopmental deficit risks in premature infants is controversial. Previous studies are limited by inadequate confounding variable control and other biases.

Objective: To evaluate the associations between maternal HDP, especially preeclampsia, and neurodevelopmental outcomes of preterm infants at 2 years' corrected age.

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Article Synopsis
  • The study aimed to assess whether a higher enteral vs parenteral protein ratio in the first 28 days after birth influences brain volume and growth in very low birth weight infants.
  • It analyzed data from 256 VLBW infants, evaluating their macronutrient intake and growth metrics alongside brain imaging at term-equivalent age.
  • Results indicated that a higher enteral to parenteral protein ratio was linked to increased total brain volume and weight gain, suggesting that prioritizing enteral protein could enhance growth in these infants.
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Objective: To evaluate the proximal effects of hypertensive disorders of pregnancy (HDP) on a validated measure of brain abnormalities in infants born at ≤32 weeks' gestational age (GA) using magnetic resonance imaging at term-equivalent age.

Study Design: In a multisite prospective cohort study, 395 infants born at ≤32 weeks' GA, underwent 3T magnetic resonance imaging scan between 39 and 44 weeks' postmenstrual age. A single neuroradiologist, blinded to clinical history, evaluated the standardized Kidokoro global brain abnormality score as the primary outcome.

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Introduction: Sepsis is a leading cause of pediatric mortality. While there has been significant effort toward improving adherence to evidence-based care, gaps remain. Immersive multiuser virtual reality (MUVR) simulation may be an approach to enhance provider clinical competency and situation awareness for sepsis.

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Introduction: As part of onboarding and systems testing for a clinical expansion, immersive virtual reality (VR) incorporating digital twin technology was used. While digital twin technology has been leveraged by industry, its use in health care has been limited with no prior application for onboarding or training. The tolerability and acceptability of immersive VR for use by a large population of healthcare staff were unknown.

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Background: Acute kidney injury (AKI) and fluid overload (FO) are associated with poor outcomes in children receiving extracorporeal membrane oxygenation (ECMO). Our objective is to evaluate the impact of AKI and FO on pediatric patients receiving ECMO for cardiac pathology.

Methods: We performed a secondary analysis of the six-center Kidney Interventions During Extracorporeal Membrane Oxygenation (KIDMO) database, including only children who underwent ECMO for cardiac pathology.

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Background: Assessment of bone health in young children has been hampered by limited reference values for bone mineral content (BMC) and areal bone mineral density (aBMD) by dual energy X-ray absorptiometry (DXA).

Objectives: To identify age, sex, and population ancestry effects on BMC and aBMD and develop smoothed reference ranges for BMC and aBMD in young children. To quantify precision of bone measurements and influence of height-for-age Z-scores on bone Z-scores.

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Purpose: Define relationships between quantitative magnetic resonance imaging (MRI) metrics and clinical/laboratory data in a pediatric and young adult cohort with autoimmune liver disease (AILD).

Materials And Methods: This prospective, cross-sectional study was institutional review board-approved. Patients enrolled in an institutional AILD registry were divided into groups: (1) autoimmune hepatitis (AIH) or (2) primary sclerosing cholangitis (PSC)/autoimmune sclerosing cholangitis (ASC).

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Article Synopsis
  • Acute kidney injury (AKI) and fluid overload (FO) are significant issues in children undergoing extracorporeal membrane oxygenation (ECMO), particularly in cases of extracorporeal cardiopulmonary resuscitation (eCPR).
  • A study involving 131 patients found that those with fluid overload at ECMO discontinuation had a higher risk of mortality and a longer hospital stay regardless of AKI status.
  • The findings highlight the need for future research to focus on effective fluid management strategies in children receiving eCPR.
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Objective: Resident physicians are expected to recognize patients requiring escalation of care on day 1 of residency, as outlined by the Association of American Medical Colleges. Opportunities for medical students to assess patients at the bedside or through traditional simulation-based medical education have decreased because of coronavirus disease 2019 restrictions. Virtual reality (VR) delivered remotely via video teleconferencing may address this educational gap.

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The purpose of this study was to assess changes in medical student knowledge, skills, and beliefs in oral health after participating in an oral health curriculum that included an online learning module, shadowing pediatric dental residents, and applying fluoride varnish. Third-year medical students completed a precurriculum questionnaire. After completing the online module and clinical experience, students completed a postcurriculum questionnaire.

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Neutrophils are vital to both the inflammatory cascade and tissue repair after an injury. Neutrophil heterogeneity is well established but there is less evidence for significant, different functional roles for neutrophil subsets. OLFM4 (Olfactomedin-4) is expressed by a subset of neutrophils, and high expression of is associated with worse outcomes in patients with sepsis and acute respiratory distress syndrome.

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We conducted a candidate gene association study to test the hypothesis that different gene polymorphisms will be associated with corticosteroid responsiveness and study outcomes among children undergoing congenital heart surgery. This is a prospective observational cohort study at a large, tertiary pediatric cardiac center on children undergoing corrective or palliative congenital heart surgery. A total of 83 children were enrolled.

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Objective: The Association of American Medical Colleges defines recognition of the need for urgent or emergent escalation of care as a key Entrustable Professional Activity (EPA) for entering residency (EPA#10). This study pilots the use of an immersive virtual reality (VR) platform for defining objective observable behaviors as standards for evaluation of medical student recognition of impending respiratory failure.

Methods: A cross-sectional observational study was conducted from July 2018 to December 2019, evaluating student performance during a VR scenario of an infant in impending respiratory failure using the OculusRift VR platform.

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Introduction: Simulation is a core aspect of training and assessment; however, simulation laboratories are limited in their ability to visually represent mental, respiratory, and perfusion status. Augmented reality (AR) represents a potential adjunct to address this gap.

Methods: A prospective, observational pilot of interprofessional simulation assessing a decompensating patient was conducted from April to June 2019.

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Background: Sepsis is a leading cause of pediatric mortality worldwide. The implementation of sepsis bundles and clinical decision support (CDS) tools have been useful in improving sepsis recognition and treatment.

Methods: Interventions targeted the pediatric ICU (PICU) sepsis identification process and focused on implementation of multidisciplinary sepsis huddles prompted by an automated CDS tool.

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Neutrophil-lymphocyte ratio has been associated with clinical outcomes in several groups of cardiac patients, including patients with coronary artery disease, cardiac failure, and cardiac transplant recipients. We hypothesised that pre- and/or post-operative haematological cell counts are associated with clinical outcomes in children undergoing cardiac surgery for CHD. We performed a post hoc analysis of data collected as part of a prospective observational cohort study (n = 83, data available n = 47) of children evaluated for glucocorticoid receptor levels after cardiac surgery (July 2015-January 2016).

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Objective: To determine whether exposure to an immersive virtual reality curriculum on pediatric respiratory distress improves medical students' recognition of impending respiratory failure.

Design: Randomized, controlled, prospective study conducted from July 2017 to June 2018. Evaluators blinded to student groupings.

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Background: Screen-based media use is prevalent in children and is associated with health risks. American Academy of Pediatrics (AAP) recommendations involve access to screens, frequency, content, and co-viewing. The aim of this study was to test the ScreenQ, a composite measure of screen-based media use.

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Article Synopsis
  • The study aimed to evaluate the use of continuous renal replacement therapy (CRRT) alongside extracorporeal membrane oxygenation (ECMO) in children and its impact on mortality related to fluid overload.
  • A total of 756 out of 1009 children on ECMO had complete data, with a survival rate to ECMO decannulation of 66.4% and to hospital discharge of 44.3%.
  • The findings indicated that lower fluid overload at both the start and end of CRRT was linked with higher survival rates, and fluid overload levels were significant predictors of mortality in hospitalized patients.
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The purpose of this study was to assess the prevalence of traumatic dental injuries (TDIs) in the primary dentition that presented to the emergency department (ED) of a level-one trauma center at a children's teaching hospital. Electronic health records of 1,170 patients with 2,746 traumatic dental injuries who presented to the ED over a 55-month period were reviewed in this retrospective cohort study. A subset of these (541 patients) with multiple injuries in primary teeth were examined.

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Objective: To assess the utility of gastrointestinal (GI) diagnostic studies in the evaluation of patients with orthostatic intolerance.

Study Design: Medical records of 103 consecutive children/young adults with orthostatic intolerance and gastrointestinal symptoms were reviewed. All patients had undergone antroduodenal manometry in conjunction with the tilt table test, autonomic testing, and upper gastrointestinal endoscopy (EGD).

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Objectives: Postoperative administration of corticosteroids is common practice for managing catecholamine refractory low cardiac output syndrome. Since corticosteroid activity is dependent on the glucocorticoid receptor, we sought to characterize glucocorticoid receptor levels in children undergoing cardiac surgery and examined the association between glucocorticoid receptor levels and cardiovascular dysfunction.

Design: Prospective observational cohort study.

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BackgroundThe growth trajectories of common measurements, including estimated fetal weight (EFW), head circumference (HC), and abdominal circumference (AC), in fetuses with congenital heart disease (CHD) have not been described for different cardiac lesions. We hypothesized that (i) fetuses with CHD have differential growth in utero, and (ii) different categories of CHD demonstrate different in utero growth curves.MethodsWe performed a retrospective observational cohort study of pregnancies with known fetal CHD seen from January 2000 to June 2013.

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