Publications by authors named "Stephen Hunter"

Background: To determine the impact of the COVID-19 pandemic on prenatal and postpartum depressive symptoms in rural versus urban populations.

Methods: A retrospective cohort study was conducted among 24,227 cisgender women who gave birth from 2010 to 2021 at an academic medical center located in a rural midwestern state. Exclusion criteria were <18 years old, incarcerated, or without a documented zip code.

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Background: Comorbid overweight/obesity (OWO) and depression is emerging as a public health problem among adolescents. Income inequality is a structural determinant of health that independently increases the risk for both OWO and depression among youth. However, no study has examined the association between income inequality and comorbid OWO and depression or tested potential mechanisms involved.

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Article Synopsis
  • The study aimed to assess the effectiveness of a low-cost ophthalmoscope, the Arclight, used by medical students to screen for pediatric eye diseases in children.
  • Five medical students examined 54 children, comparing their findings with those of a pediatric ophthalmologist to evaluate the Arclight's diagnostic accuracy.
  • Results indicated that the Arclight is a viable and user-friendly option for assessing eye health, showing good sensitivity and specificity, and has the potential to enhance eye care in resource-limited areas.
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Primary objectives were to examine: (1) changes in movement behaviours (i.e., outdoor play (OP), organized physical activity (PA), screen time (ST), sleep) across the first 2 years of coronavirus disease-2019 (COVID-19) among Canadian toddlers and preschoolers, and (2) intrapersonal, interpersonal, community, and policy moderators of change in movement behaviors.

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Background: Closure of rural obstetric (OB) units has led to maternal care deserts, causing mothers to travel long distances for maternity care. Emergency departments (EDs) in hospitals where OB units have closed require regular training for personnel to maintain OB skills, as do rural Level-1 OB units with low volumes of maternity cases. We used a federal grant to develop an OB mobile simulation program to bring simulation-based training to rural providers.

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Background: Visits to the emergency room (ED) by women in the postpartum period may reflect gaps in postpartum care and disparities in access to obstetric and primary care services. This study aimed to characterize the patients who visited the ED in the first year after delivery, their reasons for coming to the ED, and the care they received.

Methods: The electronic health record was reviewed for all patients who delivered at University of Iowa Health Care between 2009 and 2023 and visited the ED within 365 days after delivery.

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Introduction: Adverse childhood experiences (ACEs) are a measure of childhood adversity and are associated with life-long morbidity. The impacts of ACEs on peripartum health including preeclampsia, a common and dangerous hypertensive disorder of pregnancy, remain unclear, however. Therefore, we aimed to determine ACE association with peripartum psychiatric health and prevalence of preeclampsia using a case-control design.

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The clinical care of infants born at 22 weeks' gestation must be well-designed and standardized if optimal results are to be expected. Although several approaches to care in this vulnerable population are possible, protocols should be neither random nor inconsistent. We describe the approach taken at the University of Iowa Stead Family Children's Hospital neonatal intensive care unit with respect to preterm infants born at 22 weeks' gestation.

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Objective: The coronavirus disease-2019 pandemic has facilitated the emergence of telerehabilitation, but it is unclear which patients are most likely to respond to physical therapy provided this way. The purpose of this study was to examine the relationship between individual patient factors and substantial clinical benefit from telerehabilitation among a cohort of patients with chronic low back pain (LBP).

Methods: This is a secondary analysis of data collected during a prospective longitudinal cohort study.

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Introduction: A periodical self-monitoring of spherical refraction using smartphones may potentially allow a quicker intervention by eye care professionals to reduce myopia progression. Unfortunately, at low levels of myopia, the far point (FP) can be located far away from the eye which can make interactions with the device difficult. To partially remedy this issue, a novel method is proposed and tested wherein the longitudinal chromatic aberration (LCA) of blue light is leveraged to optically bring the FP closer to the eye.

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Article Synopsis
  • - Retinal hemorrhages in kids pose a diagnostic challenge, linked to causes like trauma and medical conditions, making accurate diagnosis essential for treatment and legal reasons.
  • - A study analyzing 597 retinal images used advanced deep learning models, achieving promising accuracy rates, with the hybrid FastViT-SA12 model topping at 90.55%.
  • - While AI shows potential in enhancing diagnosis, collaboration between AI experts and pediatric ophthalmologists is vital to optimize AI's effectiveness in this field.
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Pyogenic granuloma, also known as lobular capillary hemangioma, is a benign vascular lesion that primarily affects the skin and mucous membranes. It is not pyogenic; nor is it granulomatous. It typically arises in response to local trauma or surgery, irritation, hormonal changes, or chronic inflammation, and it sometimes occurs spontaneously.

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Background: Income inequality is a structural determinant of health linked to increased risk of overweight and obesity, although its links to the health of adolescent populations are not well understood. This study investigated the longitudinal associations between census-division-level (CD) income inequality and BMI trajectories among Canadian adolescents, and determine if these associations vary by gender.

Methods: Study data are from the Cannabis use, Obesity, Mental health, Physical Activity, Alcohol use, Smoking, and Sedentary behaviour (COMPASS) cohort of adolescents attending secondary schools in Canada.

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Background: Income inequality is theorized to impact health. However, evidence among adolescents is limited. This study examined the association between income inequality and health-related school absenteeism (HRSA) in adolescents.

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Accurate understanding of permafrost dynamics is critical for evaluating and mitigating impacts that may arise as permafrost degrades in the future; however, existing projections have large uncertainties. Studies of how permafrost responded historically during Earth's past warm periods are helpful in exploring potential future permafrost behavior and to evaluate the uncertainty of future permafrost change projections. Here, we combine a surface frost index model with outputs from the second phase of the Pliocene Model Intercomparison Project to simulate the near-surface (~3 to 4 m depth) permafrost state in the Northern Hemisphere during the mid-Pliocene warm period (mPWP, ~3.

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Objectives: Income inequality has been linked to high and unhealthy body mass index (BMI), though there is a dearth of evidence in adolescents. Therefore, this study examines the association between income inequality and BMI in a large sample of Canadian adolescents.

Methods: A pooled cross-sectional design was used.

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Purpose: Personal mobile devices such as smartphones are proving their usefulness in ever more applications in tele-eyecare. An inconvenience and potential source of error in these past approaches stemmed from the requirement for the subjects to situate their devices at a distance. The present study aims to clinically validate best corrected visual acuity (BCVA) measures carried out by a novel smartphone application "vision.

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Purpose: To introduce the University of California Irvine (UCI) EyeMobile for Children preschool vision screening program and describe the ophthalmic examination results of children who failed screening with the PlusoptiX S12C photoscreener during one school year.

Patients And Methods: Children aged 30-72 months were screened with the PlusoptiX using ROC mode 3 during the 2019-2020 school year. Children who failed screening were referred for comprehensive eye examination on the EyeMobile mobile clinic.

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Introduction: Automated vision screening devices such as photoscreeners and autorefractors have been used to accurately identify amblyopia, refractive amblyopia risk factors (ARFs), and refractive error in young children; however, there is conflicting data about the effectiveness of different screening devices. We compared the performance of two commercially available screening devices in preschool children.

Methods: Children aged 3 to 5 years attending 5 preschools in Anaheim Elementary School District were screened with the PlusoptiX S12C photoscreener using ROC 3 referral criteria and Retinomax K+3 autorefractor in March 2022.

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To describe the application and examine the influence of a continuous quality improvement intervention, which had a goal of standardizing care to reduce the proportion of patients who do not have a meaningful improvement in patient-reported outcomes following total knee arthroplasty (TKA). Continuous quality improvement. A physical therapy (PT) care guideline was initiated in 2013 for patients following TKA.

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To describe the variation in outcomes and number of visits before and after implementing a care guideline for total knee arthroplasty (TKA) rehabilitation. Nonrandomized intervention study. We compared 2558 patients with TKA who received care that was not standardized (non-care guideline [NCG] group) to 9797 patients with TKA who received care according to the care guideline (CG).

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Background: Neighborhoods are one setting to promote children's physical activity. This study examined associations between neighborhood features and children's physical activity and whether season or socioeconomic status modified these associations.

Methods: Parents (n = 641) of children aged 6-10 years completed the Neighborhood Environment Walkability Scale-Abbreviated.

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