Publications by authors named "Hayley Miller"

Purpose: Despite a growing number of women entering medical school, a small proportion of women pursue surgical specialties, including pediatric surgery. This multi-center study assesses gender-based differences in measures of scholarly productivity and distribution of faculty positions.

Methods: This is a retrospective web-based study of all pediatric surgeons at twelve large institutions across the United States.

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Background: Professional societies such as the American College of Obstetricians and Gynecologists (ACOG) promote the idea that postpartum care is an ongoing process where there is adequate opportunity to provide services and support. Nonetheless, in practice, the guidelines ask clinicians to perform more clinical responsibilities than they might be able to do with limited time and resources.

Methods: We conducted an online survey among practicing obstetric clinicians (obstetrician/gynecologists (OB/GYNs), midwives, and family medicine doctors) in California about their priorities and care practices for the first postpartum visit and explored how they prioritize multiple clinical responsibilities within existing time and resources.

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The frequency of cervical insufficiency differs among the major racial and ethnic groups, with limited data specific to Asian American and Native Hawaiian/Pacific Islander (AANHPI) subpopulations. We assessed cervical insufficiency diagnoses and related outcomes across 10 racial and ethnic groups, including disaggregated AANHPI subgroups, in a large population-based cohort. We performed a retrospective cohort study of all singleton births between 20-42 weeks' gestation in California from 2007 to 2018.

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In January 2023, the Food & Drug Administration modified the Risk Evaluation and Mitigation Strategy program regulating mifepristone to allow direct dispensation from retail pharmacies. In June 2023, we conducted a random, distributive survey of pharmacies in California using secret shopper methodology to investigate the feasibility of accessing mifepristone. One pharmacy had mifepristone immediately available (<24 hours), and misoprostol availability was limited.

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Background: The potential effect modification of sleep on the relationship between anxiety and elevated blood pressure (BP) in pregnancy is understudied. We evaluated the relationship between anxiety, insomnia, and short sleep duration, as well as any interaction effects between these variables, on BP during pregnancy.

Methods: This was a prospective pilot cohort of pregnant people between 23 to 36 weeks' gestation at a single institution between 2021 and 2022.

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Objective: To evaluate whether antepartum hospitalization was associated with differences in sleep duration or disrupted sleep patterns.

Methods: This was a prospective cohort study with enrollment of pregnant people aged 18-55 years with singleton gestations at 16 weeks of gestation or more between 2021 and 2022. Each enrolled antepartum patient was matched by gestational age to outpatients recruited from obstetric clinics at the same institution.

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Objective: Physical activity is linked to lower anxiety, but little is known about the association during pregnancy. This is especially important for antepartum inpatients, who are known to have increased anxiety yet may not be able to achieve target levels of physical activity during hospitalization. We compared physical activity metrics between pregnant inpatients and outpatients and explored correlations with anxiety.

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Background: Preeclampsia is associated with a two-fold increase in a woman's lifetime risk of developing atherosclerotic cardiovascular disease (ASCVD), but the reasons for this association are uncertain. The objective of this study was to examine the associations between vascular health and a hypertensive disorder of pregnancy among women ≥ 2 years postpartum.

Methods: Pre-menopausal women with a history of either a hypertensive disorder of pregnancy (cases: preeclampsia or gestational hypertension) or a normotensive pregnancy (controls) were enrolled.

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Uterine leiomyomata are associated with many pregnancy complications and will likely become increasingly common as the average age of childbearing increases. We describe a case of an obstructed delivery by a large fibroid. A 37-year-old G2P1001 with a 10-cm anterior, lower uterine segment fibroid presented for labor induction.

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Article Synopsis
  • The review examines the relationship between mental health conditions and reproductive health in individuals of reproductive age, highlighting the impact of hormonal contraceptives on psychiatric outcomes.
  • There is variability in contraceptive behaviors among those with mental health issues, influencing reproductive and perinatal outcomes, but hormonal contraceptives are generally safe for these individuals.
  • Healthcare providers are encouraged to address misconceptions about hormonal contraceptives and improve their counseling skills to enhance health outcomes for patients with mental health concerns.
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Background: Music interventions provided by qualified therapists within residential aged care are effective at attenuating behavioural and psychological symptoms (BPSD) of people with dementia (PwD). The impact of music interventions on dementia symptom management when provided by family caregivers is unclear.

Methods: We implemented a community-based, large, pragmatic, international, superiority, single-masked randomised controlled trial to evaluate if caregiver-delivered music was superior to usual care alone (UC) on reducing BPSD of PwD measured by the Neuropsychiatric Inventory-Questionnaire (NPI-Q).

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Objective: To assess the risk difference of uterine rupture when using current mifepristone and misoprostol regimens for second-trimester abortion among individuals with prior cesarean birth compared with those without prior cesarean birth.

Data Sources: We searched the terms second trimester, induction, mifepristone, and abortion in PubMed, EMBASE, POPLINE, ClinicalTrials.gov , and Cochrane Library from inception until December 2022.

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Article Synopsis
  • This study investigates how potential national abortion bans could affect the rates of neonatal single-ventricle cardiac defects in the U.S. by using a decision tree model to analyze different ban scenarios.
  • It found that under a complete abortion ban, there could be a significant increase (53.7%) in single-ventricle cardiac defects, leading to more neonatal surgeries and higher mortality rates.
  • The conclusion suggests that states looking to impose abortion restrictions should consider the potential strain on healthcare resources and the increased health risks for neonates.
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Background: While studies have identified strategies that are useful for recruiting people living with dementia, none have focused on psychosocial interventions involving arts therapies, or have examined the profiles of older people living in the community who consent or decline participation, particularly during a global pandemic. We aimed to identify the most effective recruitment strategies according to participant characteristics and transnational differences and develop a profile of consenting and non-consenting participants.

Methods: Recruitment teams in Australia, Norway, Germany, Poland, and the United Kingdom, recorded participants' source of study awareness and characteristics of consenting and non-consenting participants.

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Article Synopsis
  • The study focused on postpartum depression rates in women with cardiac disease, revealing that 18.3% had positive screens for depression after giving birth.
  • Women who screened positive were more likely to have experienced specific medical interventions like anticoagulation and maternal-infant separation.
  • The findings emphasize the need for targeted screening and support for postpartum depression in this high-risk population, particularly those undergoing anticoagulation or facing separation from their newborns.
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Few cases have been reported of extra-cranial tumours in the neck causing intracranial hypertension due to jugular vein compression and consequent outflow obstruction. We present a case of a patient presenting with transient vision loss due to intracranial hypertension of unidentifiable cause on initial imaging workup. Upon further evaluation, the patient was found to have a neck tumour compressing the right jugular vein with stenosis of the ipsilateral transverse sinus - both contributing to his intracranial hypertension.

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Article Synopsis
  • Cardiovascular disease is now the top cause of health complications for pregnant individuals, highlighting the importance of effective contraception for those affected.
  • The study compared postpartum contraceptive practices among individuals with cardiovascular disease, other chronic conditions, and those without any conditions in order to assess the impact of a specialized Pregnancy Heart Team on contraceptive counseling.
  • Findings showed similar rates of contraception planning and use among the cardiac cohort and the high-risk cohort at various points postpartum, indicating that both groups had comparable access to reliable contraception options.
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Purpose Of Review: This review will focus on those who are at greatest risk of maternal and neonatal morbidity from a subsequent unplanned or short interval pregnancy and the interventions to increase contraceptive uptake in the postpartum period.

Recent Findings: Populations at highest risk of maternal or neonatal morbidity - those with a history of preterm birth or those with complex medical conditions - are also those at the highest risk for unintended pregnancies attributed to low-efficacy contraceptive failure/ noncontraceptive use, and many are discharged from birth hospitalization without understanding the importance of birth spacing related to their high-risk pregnancies. Current innovative strategies to improve postpartum contraception access and uptake among high-risk populations include utilizing the antenatal period to initiate contraception counseling, developing multidisciplinary teams, and incorporating multimedia-based educational tools.

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Objectives: We assessed the effect of gender, rank and research productivity on compensation for faculty at academic medical centres.

Design: A web-based retrospective review of salary for professors in 2016.

Setting: Faculty from six state-run, publicly funded academic medical centres in the Western USA.

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This study evaluated the changes in bone mineral density (BMD) and serum lipids across the first postpartum year in lactating women compared to never-pregnant controls, and the influence of physical activity (PA). The study also explored whether N-telopeptides, pyridinoline, and deoxypyridinoline in urine serve as biomarkers of bone resorption. A cohort of 18 initially lactating postpartum women and 16 never pregnant controls were studied.

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Uterine atony.

Curr Opin Obstet Gynecol

April 2022

Purpose Of Review: Postpartum hemorrhage (PPH) is the leading preventable cause of maternal morbidity and mortality worldwide. Uterine atony is identified as the underlying etiology in up to 80% of PPH. This serves as a contemporary review of the epidemiology, risk factors, pathophysiology, and treatment of uterine atony.

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Mitochondrial dysfunction has been proposed as one of the pathobiological underpinnings in Parkinson's disease. Environmental stressors, such as paraquat, induce mitochondrial dysfunction and promote reactive oxygen species production. Targeting oxidative stress pathways could prevent mitochondrial dysfunction and thereby halt the neurodegeneration in Parkinson's disease.

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Objective: The COVID-19 pandemic necessitated rapid adjustment of obstetrical delivery models including fewer antenatal appointments and increased use of telehealth. We hypothesized that an increase in telemedicine and a decrease in antepartum visits owing to the COVID-19 pandemic led to a decreased proportion of people with a postpartum contraception plan at the time of the birth-hospitalization admission and a reduced uptake of top-tier forms of contraception at birth-hospitalization admission and discharge, and the routine postpartum visit, which has otherwise been increasing in recent years. STUDY DESIGN: A retrospective cohort study comparing a randomly selected sample of people giving birth at a large, tertiary referral center during a regional "shelter in place" order, March 16, 2020, to July 31, 2020, with a previously abstracted random sample of people delivering between November 1, 2017, and April 30, 2018, was conducted.

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Background: Pregnant women are vulnerable to infection as their immune response is modulated.

Objective: Serum biomarkers are used to diagnose and manage severe infections, but data on their utility during labor are limited. We compared lactate and procalcitonin levels in women with and without an intraamniotic infection to determine whether they are useful biomarkers for infection during labor.

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2D nanomaterials have long been considered for development of high permeability membranes. However, current processes have yet to yield a viable membrane for practical use due to the lack of scalability and substantial performance improvements over existing membranes. Herein, an ultrathin graphene oxide (GO) membrane with a permeability of 1562 mL h mmHg m, two orders of magnitude higher than the existing nanofiltration membranes, and a tight molecular weight cut-off is presented.

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