Publications by authors named "Robert L Davis"

: Fatal coronary heart disease (FCHD) affects ~650,000 people yearly in the US. Electrocardiographic artificial intelligence (ECG-AI) models can predict adverse coronary events, yet their application to FCHD is understudied. : The study aimed to develop ECG-AI models predicting FCHD risk from ECGs.

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Background: Preeclampsia is a hypertensive disorder in pregnancy known to increase the risk of mortality and other pregnancy-related issues, such as prematurity. Currently, there no known prophylactics or treatment options available for preeclampsia. More research is needed to better understand factors that increase preeclampsia risk.

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Background: Children from families with low socioeconomic status (SES), as determined by income, experience several negative outcomes, such as higher rates of newborn mortality and behavioral issues. Moreover, associations between DNA methylation and low income or poverty status are evident beginning at birth, suggesting prenatal influences on offspring development. Recent evidence suggests neighborhood opportunities may protect against some of the health consequences of living in low income households.

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Background: Fatal coronary heart disease (FCHD) is often described as sudden cardiac death (affects >4 million people/year), where coronary artery disease is the only identified condition. Electrocardiographic artificial intelligence (ECG-AI) models for FCHD risk prediction using ECG data from wearable devices could enable wider screening/monitoring efforts.

Objectives: To develop a single-lead ECG-based deep learning model for FCHD risk prediction and assess concordance between clinical and Apple Watch ECGs.

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Inhaled corticosteroids (ICS) are efficacious in the treatment of asthma, which affects more than 300 million people in the world. While genome-wide association studies have identified genes involved in differential treatment responses to ICS in asthma, few studies have evaluated the effects of combined rare and common variants on ICS response among children with asthma. Among children with asthma treated with ICS with whole exome sequencing (WES) data in the PrecisionLink Biobank (91 White and 20 Black children), we examined the effect and contribution of rare and common variants with hospitalizations or emergency department visits.

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Mitotic duration is tightly constrained, and extended mitosis is characteristic of problematic cells prone to chromosome missegregation and genomic instability. We show here that mitotic extension leads to the formation of p53-binding protein 1 (53BP1)-ubiquitin-specific protease 28 (USP28)-p53 protein complexes that are transmitted to, and stably retained by, daughter cells. Complexes assembled through a Polo-like kinase 1-dependent mechanism during extended mitosis and elicited a p53 response in G that prevented the proliferation of the progeny of cells that experienced an approximately threefold extended mitosis or successive less extended mitoses.

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Introduction: More than 76,000 women die yearly from preeclampsia and hypertensive disorders of pregnancy. Early diagnosis and management of preeclampsia can improve outcomes for both mother and baby. In this study, we developed artificial intelligence models to detect and predict preeclampsia from electrocardiograms (ECGs) in point-of-care settings.

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Background: This study used electrocardiogram data in conjunction with artificial intelligence methods as a noninvasive tool for detecting peripartum cardiomyopathy.

Objective: This study aimed to assess the efficacy of an artificial intelligence-based heart failure detection model for peripartum cardiomyopathy detection.

Study Design: We first built a deep-learning model for heart failure detection using retrospective data at the University of Tennessee Health Science Center.

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Article Synopsis
  • Acute kidney injury (AKI) is a significant issue in hospitalized patients with sickle cell disease (SCD), leading to higher rates of complications and death, making early detection crucial.
  • A machine-learning model was developed using continuous physiological data from 1,178 adult SCD patient encounters to predict AKI, identifying it in 82 patients based on established criteria.
  • The model demonstrated high accuracy in predicting AKI onset, achieving up to 91% reliability within 12 hours and 82% within 48 hours, highlighting potential for early intervention and better patient outcomes.
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Little is known about electrocardiogram (ECG) markers of Parkinson's disease (PD) during the prodromal stage. The aim of the study was to build a generalizable ECG-based fully automatic artificial intelligence (AI) model to predict PD risk during the prodromal stage, up to 5 years before disease diagnosis. This case-control study included samples from Loyola University Chicago (LUC) and University of Tennessee-Methodist Le Bonheur Healthcare (MLH).

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Importance: Abusive head trauma (AHT) in children is often missed in medical encounters, and retinal hemorrhage (RH) is considered strong evidence for AHT. Although head computed tomography (CT) is obtained routinely, all but exceptionally large RHs are undetectable on CT images in children.

Objective: To examine whether deep learning-based image analysis can detect RH on pediatric head CT.

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Objective: Population-level data on sickle cell disease (SCD) are sparse in the United States. The Centers for Disease Control and Prevention (CDC) is addressing the need for SCD surveillance through state-level Sickle Cell Data Collection Programs (SCDC). The SCDC developed a pilot common informatics infrastructure to standardize processes across states.

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Background: Hypertensive disorders of pregnancy cause fetal growth restriction and increased maternal morbidity and mortality, especially in women of African ancestry. Recently, preeclampsia risk was associated with polymorphisms in the apolipoprotein L1 (APOL1) gene in women of African ancestry.

Objectives: We assessed APOL1 genotype effects on pregnancies with and without preeclampsia.

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Objectives: The COVID-19 pandemic has introduced new opportunities for health communication, including an increase in the public's use of online outlets for health-related emotions. People have turned to social media networks to share sentiments related to the impacts of the COVID-19 pandemic. In this paper, we examine the role of social messaging shared by Persons in the Public Eye (ie, athletes, politicians, news personnel, etc) in determining overall public discourse direction.

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Clinicians frequently observe hemodynamic changes preceding elevated intracranial pressure events. We employed a machine learning approach to identify novel and differentially expressed features associated with elevated intracranial pressure events in children with severe brain injuries. Statistical features from physiologic data streams were derived from non-overlapping 30-min analysis windows prior to 21 elevated intracranial pressure events; 200 records without elevated intracranial pressure events were used as controls.

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This editorial article aims to highlight advances in artificial intelligence (AI) technologies in five areas: Collaborative AI, Multimodal AI, Human-Centered AI, Equitable AI, and Ethical and Value-based AI in order to cope with future complex socioeconomic and public health issues.

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Introduction: Despite its benefits, HPV vaccine uptake has been historically lower than other recommended adolescent vaccines in the United States (US). While hesitancy and misinformation have threatened vaccinations for many years, the adverse impacts from COVID-19 pandemic on preventive services have been far-reaching.

Objectives: To explore the perceptions and experiences of adolescent healthcare providers regarding routine vaccination services during the COVID-19 pandemic.

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Background: The emergence of the novel coronavirus (COVID-19) and the necessary separation of populations have led to an unprecedented number of new social media users seeking information related to the pandemic. Currently, with an estimated 4.5 billion users worldwide, social media data offer an opportunity for near real-time analysis of large bodies of text related to disease outbreaks and vaccination.

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Introduction: Carriage of high-risk APOL1 genetic variants is associated with increased risks for kidney diseases in people of African descent. Less is known about the variants' associations with blood pressure or potential moderators.

Methods: We investigated these associations in a pregnancy cohort of 556 women and 493 children identified as African American.

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Article Synopsis
  • This study examines how social factors, both individual and neighborhood-level, affect pain perception in women with early-stage breast cancer in the U.S.
  • The analysis included 1,191 patients from a Memphis cancer center, revealing that those living in high-poverty and high-blight areas reported significantly more pain.
  • The findings suggest that worse neighborhood conditions correlate with higher pain intensity, highlighting the need for addressing social determinants in breast cancer care.
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Article Synopsis
  • Human papillomavirus (HPV) is the most common STI in the U.S., affecting sexually active young adults who make up about 50% of new infections, with certain types leading to serious health risks like cancer.
  • The study aims to identify social determinants of health (SDoH) that hinder HPV vaccination rates in young adults, propose a digital health solution for managing personal health information, and outline the features of an app designed to enhance HPV prevention strategies.
  • By using artificial intelligence techniques, the app aims to provide customized health interventions, improve health literacy, and promote safe sexual practices while addressing barriers like vaccine hesitancy, education, and cultural beliefs among young adults.
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Background: Parkinson's disease (PD) is a chronic, disabling neurodegenerative disorder.

Objective: To predict a future diagnosis of PD using questionnaires and simple non-invasive clinical tests.

Methods: Participants in the prospective Kuakini Honolulu-Asia Aging Study (HAAS) were evaluated biannually between 1995-2017 by PD experts using standard diagnostic criteria.

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Objective: To determine if increased mortality could be detected with the administration of ceftriaxone and IV calcium in infants through an analysis of a large repository of electronic health records.

Methods: Patients were split into 3 groups: 1) neonates, 2) infants, and 3) infants <1 year whose age was not specified. Deaths were classified into mutually exclusive categories based on the administration and timing of ceftriaxone and IV calcium.

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Article Synopsis
  • The 'eARDS' machine learning algorithm predicts Acute Respiratory Distress Syndrome (ARDS) in COVID-19 patients in ICUs, identifying risk up to 12 hours prior to meeting the Berlin clinical criteria.
  • The analysis used clinical data from 35,804 patients and demonstrated a strong predictive performance with an AUROC of 0.89 and sensitivity of 0.77.
  • Key predictive features included minimum oxygen saturation and blood pressure variations, with the algorithm performing best in younger patients (ages 18-40) and showing robust consistency across different health systems.
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Purpose: Early identification of childhood cancer survivors at high risk for treatment-related cardiomyopathy may improve outcomes by enabling intervention before development of heart failure. We implemented artificial intelligence (AI) methods using the Children's Oncology Group guideline-recommended baseline ECG to predict cardiomyopathy.

Material And Methods: Seven AI and signal processing methods were applied to 10-second 12-lead ECGs obtained on 1,217 adult survivors of childhood cancer prospectively followed in the St Jude Lifetime Cohort (SJLIFE) study.

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