Publications by authors named "Dylan Steen"

Resting lactate concentration in venous blood is a commonly used indicator of metabolic disease risk. Regular exercise during pregnancy improves maternal metabolic health; however, it is unknown if maternal exercise regulates resting lactate concentration. We aimed to elucidate the effects of three different modalities of exercise during pregnancy on blood lactate in pregnant women.

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Background: Despite decades of research documenting health benefits from exercise during pregnancy, it remains unknown how prenatal exercise affects infant neuromotor skill development.

Objectives: To examine the effects of exercise modes, and maternal exercise metrics; frequency, intensity, time, type, and volume (FITT-V) during pregnancy on infant gross motor skills. We hypothesized that 1 month old infants of mothers who exercised during pregnancy would exhibit more developed gross motor skills compared to infants of mothers who did not exercise during pregnancy.

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Background: Offspring body mass index is often higher in parents with overweight or obesity, thereby increasing the risk of obesity later in life. As data has shown that exercise during pregnancy reduces gestational weight gain and offspring adiposity, we believe the intergenerational risk of obesity could be reduced.

Objective: This study aimed to test the influence of paternal and maternal overweight or obesity on neonatal body mass index and other birth measures, and whether exercise during pregnancy would improve outcomes.

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Background: This is a post-hoc secondary analysis of a randomized controlled trial whose purpose was to analyze the effect of a supervised-combined aerobic and resistance exercise (concurrent exercise) training program during pregnancy on 1-month infant neuromotor skills based on maternal pre-pregnancy body mass index (BMI).

Methods: Ninety-four pregnant women participated in this study, which was conducted at East Carolina University (Greenville, North Carolina, USA) between 2015 and 2018, and were allocated into concurrent exercise (n = 42) or stretching and breathing group (n = 52). The exercise group followed a 50-min 3 days/week moderate intensity concurrent exercise training program from the 16th gestational week until birth.

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Background: Hypertensive disorders of pregnancy (HDP) hold negative health implications for mothers and offspring. While the beneficial influence of prenatal exercise on reducing HDP risk has been previously shown, there is a lack of specific information on the effect on birth outcomes in at-risk women, and in-depth analysis of appropriate exercise dose is lacking.

Objective: We aimed to elucidate the effects of exercise training FITT-V (frequency, intensity, type, time, volume) on hypertension and birth outcomes in pregnant women.

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Article Synopsis
  • The PATCH-1 study compared two types of 12-lead electrocardiograms (ECGs) – the standard S-ECG and a new patch ECG (P-ECG), to see which one performed better in patients with stable cardiovascular conditions.
  • 200 participants were involved, and results showed that the P-ECG was faster to administer (about 1.4 minutes) and had fewer issues with artifacts affecting readings compared to the S-ECG (6.5% vs. 15%).
  • Most participants either preferred the P-ECG (47%) or were indifferent (52%), and both types of ECGs provided similar findings regarding heart health metrics.
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Background: Preterm delivery typically increases health risk for neonates and is associated with longer infant hospital stay and financial burden. Prenatal exercise dose (frequency, intensity, type, time, volume) have been shown to influence birth outcomes. Increased prenatal exercise dose could therefore provide a critical reduction in health risk and financial burden in preterm neonates.

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  • Maternal exercise during pregnancy is linked to higher REE and better oxygen use in infants, suggesting it may help reduce the risk of obesity later on.
  • The study found that higher maternal BMI negatively impacted infant REE in non-exercising mothers, but this relationship didn't exist in infants of exercising mothers, indicating exercise may promote healthier energy levels in babies.
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Background: Prenatal exercise improves birth outcomes, but research into exercise dose-response effects is limited.

Methods: This study is a retrospective, secondary analysis of pooled data from three blinded, prospective, randomized controlled trials. Prenatal exercise frequency, intensity, type, time, and volume (FITT-V) were assessed in supervised sessions throughout pregnancy.

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Context: Maternal exercise positively influences pregnancy outcomes and metabolic health in progeny; however, data regarding the effects of different modes of prenatal exercise on offspring metabolic phenotype is lacking.

Objective: To elucidate the effects of different modes of maternal exercise on offspring umbilical cord derived mesenchymal stem cell (MSC) metabolism.

Design: Randomized controlled trial.

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Article Synopsis
  • Supermarkets are effective places for dietary interventions due to their convenience, variety of food options, and additional resources like registered dietitians and online services.
  • A study involved 247 participants who were randomly assigned to two dietary education strategies or a control group, focusing on improving adherence to the DASH diet over three months.
  • Results showed significant improvements in DASH scores for participants receiving dietary education, especially for those using online shopping tools, highlighting the potential of supermarket-based interventions in community health.
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Background Patients with acute coronary syndrome (ACS) are recognized by guidelines as remaining at high risk for adverse outcomes. Evidence from contemporary, representative ACS populations in a clinical practice setting is necessary to identify subgroups and strategies for improving patient outcomes. We aimed to describe event rates and risk factors in an ACS population over prolonged follow-up for cardiovascular end points.

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Purpose: The prevalence of chronic diseases is increasing largely due to suboptimal dietary habits. It is not known whether individualized, supermarket-based, nutrition education delivered by registered dietitians, utilizing the advantages of the in-store and online environments, and electronically collected purchasing data, can increase dietary quality.

Methods And Results: The supermarket and web-based intervention targeting nutrition (SuperWIN) for cardiovascular risk reduction trial is a randomized, controlled dietary intervention study.

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Importance: Despite its documented undercapture of mortality data, the US Social Security Administration Death Master File (SSDMF) is still often used to provide mortality end points in retrospective clinical studies. Changes in death data reporting to SSDMF in 2011 may have further affected the reliability of mortality end points, with varying consequences over time and by state.

Objective: To evaluate the reliability of mortality rates in the SSDMF in a cohort of patients with atherosclerotic cardiovascular disease (ASCVD).

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Purpose: The goal of this study was to summarize patterns of lipid-lowering therapy (LLT) usage and achievement of guideline-identified lipid goals in a 2015 general practice cohort of French patients with atherosclerotic cardiovascular disease (ASCVD) and/or diabetes mellitus (DM).

Methods: From the IMS Health Real-World Data database, patients aged ≥18years were classified hierarchically into mutually exclusive categories of ASCVD subgroups and DM. LLT use and lipid goal achievement were assessed on the date of lipid measurement.

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Article Synopsis
  • Patients with atrial fibrillation (AF) often struggle with understanding their treatment options for stroke prevention, prompting the need for better decision-making tools.
  • A trial using an Atrial Fibrillation Shared Decision Making Tool (AFSDM) with 76 patients showed significant improvements in their knowledge about AF, decreased confusion regarding treatment decisions, and higher satisfaction with their care team.
  • The results indicated that after using the AFSDM, decisional conflict decreased, satisfaction scores increased, knowledge about AF and risks improved, and medication adherence was notably enhanced.
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Importance: Elevated fibroblast growth factor 23 (FGF-23) concentrations are associated with myocardial fibrosis and renin-angiotensin system upregulation, potentially providing prognostic information distinct from standard cardiovascular (CV) biomarkers.

Objective: To evaluate the association of FGF-23 with recurrent CV events in patients after an acute coronary syndrome (ACS).

Design, Setting, And Participants: C-terminal FGF-23 was measured in plasma samples using an established enzyme-linked immunosorbent assay system for 4947 patients within 30 days of ACS (median, 14 days) and with 1 additional CV risk factor in the Stabilization of Plaques Using Darapladib-Thrombolysis in Myocardial Infarction 52 (SOLID-TIMI 52) trial of the lipoprotein-associated phospholipase A2 inhibitor darapladib vs placebo performed from December 1, 2009, to April 24, 2014 (median follow-up, 2.

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Background: For decades, fasting for 8 to 12 hours has been recommended for measurement of lipid profiles. The effect of fasting on low-density lipoprotein cholesterol (LDL-C) and triglycerides (TG) has been described in healthy cohorts and those with stable disease states. Recently, guidelines suggested that fasting may not be necessary due to its small effect on lipid measures.

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Background: Appropriate thromboprophylaxis for patients with atrial fibrillation or atrial flutter (AF) remains a national challenge. The recent availability of direct oral anticoagulants (DOACs) with comparable efficacy and improved safety compared with warfarin alters the balance between risk factors for stroke and benefit of anticoagulation. Our objective was to examine the impact of DOACs as an alternative to warfarin on the net benefit of oral anticoagulant therapy (OAT) in a real-world population of AF patients.

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