Publications by authors named "Stephen Hawes"

() is a predominant pathogen of urinary tract infections (UTIs) in the United States. We analyzed resistance patterns by geographic location in Washington State to assess the need for regional antibiograms. The study included urinary antibiotic susceptibility tests performed by Quest Diagnostics on Washington outpatient isolates from 2013 to 2019.

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Background: Identifying determinants of longitudinal HIV viral load (VL) trajectories using group-based trajectory modeling (GBTM) can inform clinical strategies and mechanisms of nonadherence among children.

Methods: Children under 12 months old who were newly diagnosed with HIV were enrolled in the Optimizing Pediatric HIV therapy cohort (NCT00428116) from 2007 to 2010. Children initiated antiretroviral therapy at enrollment, and VL was assessed every 3 months for 24 months post-antiretroviral therapy and every 6 months thereafter up to 8 years old.

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Background: Diagnostic radiology residents in low- and middle-income countries (LMICs) may have to provide significant contributions to the clinical workload before the completion of their residency training. Because of time constraints inherent to the delivery of acute care, some of the most clinically impactful diagnostic radiology errors arise from the use of Computed Tomography (CT) in the management of acutely ill patients. As a result, it is paramount to ensure that radiology trainees reach adequate skill levels prior to assuming independent on-call responsibilities.

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People living with HIV (PLWH) are at highest risk of anal cancer and will benefit from optimized screening for early disease detection. We compared host DNA methylation markers in high-grade squamous intraepithelial lesions (HSIL) versus samples negative for intraepithelial lesions (NILM) or low-grade intraepithelial lesions (LSIL) in PLWH. We recruited PLWH identifying as male aged ≥18 years undergoing high-resolution anoscopy (HRA) in Seattle, Washington, 2015-2016.

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Antimicrobial resistance (AMR) is a global health problem stemming from the use of antibiotics in humans, animals, and the environment. This study used whole-genome sequencing (WGS) of to explore patterns of AMR across sectors in Washington State, USA (WA). The WGS data from 1449 isolates were evaluated for isolation source (humans, animals, food, or the environment) and the presence of antibiotic resistance genes (ARGs).

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We aimed to establish if enteric permeability was associated with similar biological processes in children recovering from hospitalization and relatively healthy children in the community. Extreme gradient boosted models predicting the lactulose-rhamnose ratio (LRR), a biomarker of enteric permeability, using 7,500 plasma proteins and 34 fecal biomarkers of enteric infection among 89 hospitalized and 60 community children aged 2-23 months were built. The R values were calculated in test sets.

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Objective: Multifarious barriers to accessing healthcare services among people experiencing homelessness (PEH) lead to delays in seeking care for acute infections, including those caused by respiratory viruses. PEH are at high risk of acute respiratory illness (ARI)-related complications, especially in shelter settings that may facilitate virus spread, yet data characterizing healthcare utilization for ARI episodes among sheltered PEH remained limited.

Methods: We conducted a cross-sectional study of viral respiratory infection among adult residents at two homeless shelters in Seattle, Washington between January and May 2019.

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Background: Persistent infection with high-risk human papillomavirus (HPV) is associated with development of invasive cervical cancer.

Methods: Longitudinal data was collected from 174 Senegalese women. We employed marginal Cox proportional hazards models to examine the effect of human immunodeficiency virus (HIV) status (HIV positive vs HIV negative) and HIV type (HIV-1 vs HIV-2 vs dual HIV-1/HIV-2) on clearance of type-specific HPV infection.

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Objective: We compared the relative occurrence of selected pregnancy outcomes and postpartum rehospitalizations among women with and without epilepsy and their infants. Using linked vital-hospital discharge records of women with deliveries in Washington State 1987-2014, comparisons were made overall, by epilepsy type, and by time periods related to antiepileptic drug (AED) marketing changes.

Methods: This population-based retrospective cohort study identified women with, and without epilepsy per diagnosis codes in the hospital discharge record from among all deliveries during 1987-2014 to examine maternal and infant outcomes, rehospitalization and mortality <2 years postpartum.

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Background: Although validated patient-reported outcome (PRO) measurements can categorize patients with inflammatory bowel disease (IBD) into clinical remission or active disease, patients may have different definitions of remission. The purpose of this study was to compare patient-defined remission to remission based on PRO measures and physician global assessment (PGA) and to understand the clinical and demographic factors associated with disagreements.

Methods: We retrospectively analyzed 3257 de-identified surveys from 2004 IBD patients who consented to participate in the Crohn's and Colitis Foundation's IBD Qorus Learning Health System between September 2019 and February 2021.

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Article Synopsis
  • The study aimed to investigate the link between gut permeability and growth/inflammation in hospitalized children from low- and middle-income countries.
  • It involved testing the gut permeability of young hospitalized children and comparing results to those of children from their communities, using various statistical models to analyze the data.
  • Although hospitalized children showed higher gut permeability, it did not correlate with significant changes in their growth after discharge, and differences in systemic inflammation indicators were noted between the two groups.
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Background: Second-line treatment of HIV-2 in resource-limited settings (RLS) is complicated by a lack of controlled trial data, limited availability of HIV-2-active antiretroviral drugs, and inadequate access to drug resistance testing. We conducted an implementation trial of a dried blood spot- (DBS) based, drug resistance genotype-informed antiretroviral therapy (ART) switching algorithm for HIV-2-infected patients in Senegal.

Methods: HIV-2-infected adults initiating or receiving ART through the Senegalese national AIDS program were invited to participate in this single-arm trial.

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Adherence to follow-up lung cancer screening (LCS) in real-world settings is suboptimal. Patient understanding of screening results and anticipated follow-up may be crucial to adherence. To determine patient factors associated with identification of follow-up recommendations as a measure of patient understanding of screening results after LCS, and to determine whether misidentification of follow-up is associated with lower adherence to recommendations.

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HIV substantially worsens human papillomavirus (HPV) carcinogenicity and contributes to an important population excess of cervical cancer, particularly in sub-Saharan Africa (SSA). We estimated HIV- and age-stratified cervical cancer burden at a country, regional and global level in 2020. Proportions of cervical cancer (a) diagnosed in women living with HIV (WLHIV), and (b) attributable to HIV, were calculated using age-specific estimates of HIV prevalence (UNAIDS) and relative risk.

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Medical contraindications to estrogen limit women's contraceptive options. This study assessed the association between selected medical contraindications to estrogen on contraceptive use and examined whether contraindications serve as a barrier to the prevention of unintended pregnancy. We analyzed women aged 18-44 at risk of unintended pregnancy participating in the 2017 Behavioral Risk Factor Surveillance System.

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Consultation with traditional healers (THs) is common among people living with HIV in sub-Saharan Africa. We conducted a prospective longitudinal study to determine the association between consultation with THs and HIV outcomes following 12 months of antiretroviral therapy (ART). HIV-infected individuals presenting for care and initiation of ART in Dakar and Ziguinchor, Senegal were eligible for enrollment.

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Article Synopsis
  • The study investigates the prevalence of anal HPV and high-grade squamous intraepithelial lesions (HSIL) in men, focusing on factors like HIV status and sexual orientation.
  • Researchers conducted a systematic review and pooled individual data from 64 studies involving nearly 29,900 men to analyze type-specific HPV infection and HSIL occurrences.
  • Findings showed varying HPV prevalence rates: among HIV-negative MSW, HPV16 was at 1.8%, while HIV-positive MSM had rates as high as 28.5% for HPV16 and 74.3% for high-risk types, suggesting a significant impact of HIV on HPV infection rates.
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Poor health outcomes disproportionately impact certain populations in the United States owing to the inequitable distribution of social determinants of health (SDOH). Using the 2017 Behavioral Risk Factor Surveillance System (BRFSS), we estimated the association of three adverse SDOH (housing insecurity, food insecurity, and financial instability) with life dissatisfaction. Participants were from Wisconsin, Minnesota, and Ohio, the only states that included the SDOH and Emotional Support and Life Satisfaction modules (n = 25,850).

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Introduction: Excess sugar consumption is linked to several mental health conditions. Sugar-sweetened beverages (SSBs) and 100% fruit juice contain similar amounts of sugar per serving, yet prior studies examining sugary beverages and mental health are limited to SSBs. Of those, few have assessed potential modifiers such as sex.

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The goals of this study were to assess retention on antiretroviral therapy (ART) and to identify predictors of loss to follow-up (LTFU) among people living with HIV (PLHIV) in Senegal. HIV-positive individuals presenting for initiation of ART in Dakar and Ziguinchor were enrolled and followed for 12 months. Data were collected using interviews, clinical evaluations, laboratory analyses, chart review, and active patient tracing.

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Background: Understanding the impact of food insecurity on HIV outcomes is critical for the development and implementation of effective, evidence-based interventions to address food insecurity and improve the HIV care cascade. We conducted a prospective, longitudinal study to determine the impact of food insecurity on HIV outcomes in Senegal, West Africa.

Methods: HIV-infected individuals presenting for care and initiation of ART through the Senegalese National AIDS program in Dakar and Ziguinchor were eligible for enrollment.

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Developmental screening instruments were designed as diagnostic tools, but there is growing interest in understanding whether select tools can also be used systematically in research to examine intervention impacts on long-term outcomes. As such, this systematic review aims to examine associations between child development assessment tools and educational attainment, academic achievement, or wealth. We included studies identified in PubMed, PsycINFO, and Educational Resources Information Center if they reported an association between at least one tool from a pre-established list and one outcome of interest after age 10.

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Background: Programmatic treatment outcome data for people living with human immunodeficiency virus type 2 (HIV-2) in West Africa, where the virus is most prevalent, are scarce.

Methods: Adults with HIV-2 initiating or receiving antiretroviral therapy (ART) through the Senegalese national AIDS program were invited to participate in this prospective, longitudinal observational cohort study. We analyzed HIV-2 viral loads, CD4 cell counts, antiretroviral drug resistance, loss to follow-up, and mortality.

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Background: Orofacial clefts (OFC) have multifactorial aetiology. Established risk factors explain a small proportion of cases.

Objectives: To evaluate OFC risk by maternal rural residence and race/ethnicity, and test whether these associations changed after US-mandated folic acid fortification.

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