Publications by authors named "Andrew Foy"

Background: Previous observational studies showed left atrial appendage occlusions with the WATCHMAN device reduced 1-year mortality, which conflicted with evidence generated from randomized controlled trials. We proposed to use the high-dimensional propensity score (hdPS) to assist in nonactive comparator selection (prevalent user of medication) and compared 1-year mortality between patients with atrial fibrillation who received the WATCHMAN device (percutaneous left atrial appendage occlusion device [pLAAO]) and direct oral anticoagulants in 2 matched cohorts based on (1) traditional propensity score (PS) and (2) integrating traditional PS with information learned from hdPS.

Methods: Patients entered the cohort once diagnosed with atrial fibrillation in the 15% of Medicare fee-for-service claims database from 2011 to 2018.

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Importance: Heart failure (HF) hospitalization is a common end point in HF trials; however, how HF hospitalization is associated with all-cause hospitalization in terms of proportionality, correlation of treatment effects, and concomitant reporting has not been studied.

Objective: To determine the ratio of HF to all-cause hospitalizations, whether reported treatment effects on HF hospitalization are associated with treatment effects on all-cause hospitalization, and how often all-cause hospitalization is reported alongside HF hospitalization.

Data Sources: PubMed was searched from inception to September 2, 2024, for randomized clinical trials (RCTs) of HF treatments using MeSH (medical subject heading) terms and keywords associated with heart failure, ventricular failure, ventricular dysfunction, and cardiac failure, as well as the names of specific journals.

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Older patients with heart failure are particularly vulnerable due to a wide range of associated comorbidities, disability, and frailty. This population often receives multiple prescriptions, increasing the risk of adverse drug reactions, non-adherence, and drug interactions. Deprescribing, which involves reducing the number of medications to the lowest clinically reasonable limit, has the potential to decrease the risk of drug interactions and enhance patients' quality of life.

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Article Synopsis
  • A 52-year-old man visits his internal medicine clinic for high blood pressure management, having been diagnosed with hypertension 5 years ago, and is also dealing with obesity and high cholesterol.
  • Despite taking multiple medications, his blood pressure remains high, indicating resistant hypertension, which often comes with other health issues like obesity and sleep apnea.
  • The study discusses the evolving understanding of the causes of resistant hypertension and looks into four key areas: the sympathetic nervous system, aldosterone levels, blood vessel function, and inflammation, along with new treatments being researched.
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Objective: Myelomeningocele (MMC) is a lifelong condition requiring complex multidisciplinary management. Using the National Spina Bifida Patient Registry (NSBPR), the authors tested the association between sociodemographic variables and odds of undergoing neurosurgical procedures.

Methods: The authors extracted sociodemographic, clinical, and neurosurgical procedure data on participants with MMC aged ≥ 1 year who visited an NSBPR clinic between 2009 and 2020.

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Objective: To (1) describe differences in types and timing of interventions, (2) report short-term outcomes and (3) describe differences among centres from a large national cohort of preterm infants with post-haemorrhagic hydrocephalus (PHH).

Design: Cohort study of the Children's Hospitals Neonatal Database from 2010 to 2022.

Setting: 41 referral neonatal intensive care units (NICUs) in North America.

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Obesity significantly increases the risk of developing atrial fibrillation (AF) and atrial flutter (AFL) and evidence from randomized trials indicates that weight loss may reduce the burden of AF/AFL in obese patients; however, the relationship between obesity and healthcare resource utilization in AF/AFL patients is lacking. We sought to assess this relationship in patients with newly diagnosed AF/AFL in a nationally representative cohort of the United States by using the MarketScan® claims database. International Classification of Diseases, Tenth Revision [ICD 10] diagnosis codes were used to select individuals with a new diagnosis of AF/AFL in 2017 and 2018, adjudicate baseline variables and to classify them according to obesity status.

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Purpose: Post-hemorrhagic ventricular dilation (PHVD) leads to developmental delays in premature infants, yet the optimal timing of neurosurgical interventions is unknown. Neuroimaging modalities have emerged to delineate injury and follow the progression of PHVD. Fronto-temporal horn ratio (FTHR) is used as a marker of ventricular dilation and can be a standardized tool to direct the timing of neurosurgical intervention.

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Article Synopsis
  • The study aimed to investigate how the presence of multiple health conditions (multimorbidity) affects the response to treatments in clinical trials involving nearly 30,000 participants.
  • By reanalyzing data from 8 trials, researchers classified patients based on the Charlson Comorbidity Index (CCI) and examined its impact on treatment outcomes using statistical models.
  • The findings indicated that most participants had low to moderate CCI scores, but notable treatment effects were observed based on higher comorbidity levels, suggesting a need for further research focused on those with more complex health issues.
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Objective: Awake craniotomy with intraoperative mapping is the widely accepted procedure for adult patients undergoing supratentorial tumor or epileptogenic focus resection near eloquent cortex. In children, awake craniotomies are notably less common due to concerns for compliance and emotional or psychological repercussions. Despite this, successfully tolerated awake craniotomies have been reported in patients as young as 8 years of age, with success rates comparable to those of adults.

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Apparent resistant hypertension, defined as uncontrolled office blood pressure despite ≥ 3 antihypertensive medications including a diuretic or use of ≥ 4 medications regardless of blood pressure, occurs in ≤ 15% of treated hypertensives. Apparent refractory hypertension, defined as uncontrolled office pressure despite use of 5 or more medications including a diuretic, occurs in ≤ 10% of resistant cases. Both are associated with increased comorbidity and enhanced cardiovascular risk.

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Purpose: Critical thinking and the ability to engage with others of differing views in a civil manner is essential to the practice of medicine. A new format for medical student education ("Argue-to-Learn") that uses staged debates followed by small group discussions was introduced into the curriculum of first year medical school at the Penn State College of Medicine. The goal was to create a structured environment for spirited, civil discourse, and to encourage students to think critically about clinically controversial topics.

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Introduction: Personality traits, specifically neuroticism, are related to stress in surrogate decision-makers (SDMs) in outpatient settings. We hypothesized that intrinsic traits are related to SDM stress in the intensive care unit (ICU) to determine if personality considerations should be included in interventions to support SDMs.

Methods: Eligible participants (adult SDMs of non-capacitated ICU patients) completed validated questionnaires including stress (Impact of Events Scale-Revised, IES-R) and personality (Big Five Inventory, BFI) within 72 hours of ICU admission and again at 3 months post-ICU discharge (in addition to a qualitative interview).

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Background: It remains unclear whether spinal cord untethering is necessary to reduce the chances of neurologic decline in children with myelomeningocele and complex closed spinal dysraphism who undergo thoracolumbar fusion for scoliosis. We sought to determine the neurologic and functional outcomes of children with spinal dysraphism undergoing spinal fusion for scoliosis with and without prophylactic spinal cord untethering.

Methods: Retrospective, single-center review of patients with spinal dysraphism treated with thoracolumbar fusion over the last 10 years (2009-2019) with or without prophylactic spinal cord untethering.

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Renal denervation is not a cure for hypertension. Although more recent sham-controlled trials were positive, a significant minority of patients in each trial were unresponsive. The optimal patient or patients need to be defined.

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Introduction: There is a lack of consensus regarding the best add on therapy for treatment of resistant hypertension (RH). This is likely secondary to a paucity of data on the comparative effectiveness of proposed therapies for RH.

Methods: Placebo-controlled and sham-controlled randomized clinical trials testing therapies for the treatment of RH were included in this meta-analysis.

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When patients lose decision-making capacity, others must make surrogate decisions on their behalf. What counts as a surrogate decision might seem self-evident. But as clinician-researchers in the field of advance care planning, we have found that it is not always so clear-cut.

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Objective: The natural extension of inpatient-focused neonatal neurocritical care (NNCC) programs is the evaluation of long-term neurodevelopmental outcomes in the same patient population.

Clinical Design: A dedicated and collaborative team of neonatologists, neonatal neurologists, neuropsychologists, neurosurgeons, physical medicine and rehabilitation physicians, and psychologists are necessary to provide personalized medicine, developmental assessments, and parental education for NNCC graduates. To achieve this goal, we devised a two-clinic follow-up model at Children's Wisconsin: HOPE (Healthy Outcomes Post-ICU Engagement) and DREAM: Developmentally Ready: Engagement for Achievement of Milestones) clinics.

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Objective: Posthemorrhagic hydrocephalus (PHH) remains a major morbidity of premature birth resulting from intraventricular hemorrhage (IVH). National consensus guidelines for the timing of surgical interventions are lacking, which leads to considerable variations in management among neonatal intensive care units (NICUs). Early intervention (EI) has been shown to improve outcomes, but the authors hypothesized that the timing from IVH to intervention affects the comorbidities and complications associated with PHH management.

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