Publications by authors named "Connett J"

Article Synopsis
  • The study investigates the impact of β-blocker prescriptions on COPD patients who experienced acute myocardial infarction (AMI), following concerns from the BLOCK-COPD trial where metoprolol was linked to increased hospitalizations.
  • Conducted across 18 hospitals from June 2020 to May 2022, the research involved 579 COPD patients and aimed to evaluate the risks of mortality and adverse outcomes after starting β-blockers post-hospital discharge.
  • Out of the COPD patients studied, 86.7% were prescribed β-blockers, leading to an analysis of their effects on overall health, including hospital stay lengths and respiratory events, over a six-month period.
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Humanitarian medical missions attempt to lessen the burden of limited access to cardiac surgery in low- and middle-income countries. While organizations express difficulties obtaining follow-up information, there is currently little evidence to support the various assumptions for lack of data. This study examines the factors influencing long-term patient follow-ups on repeated short-term cardiac surgery missions across nine countries.

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Introduction: People living with type 2 diabetes who experience homelessness face a myriad of barriers to engaging in diabetes self-care behaviors that lead to premature complications and death. This is exacerbated by high rates of comorbid mental illness, substance use disorder, and other physical health problems. Despite strong evidence to support lay health coach and behavioral activation, little research has effectively engaged people living with type 2 diabetes who had experienced homelessness (DH).

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Importance: Among patients receiving mechanical ventilation, tidal volumes with each breath are often constant or similar. This may lead to ventilator-induced lung injury by altering or depleting surfactant. The role of sigh breaths in reducing ventilator-induced lung injury among trauma patients at risk of poor outcomes is unknown.

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Article Synopsis
  • * The D-HOMES program was developed using a community-engaged approach, incorporating feedback from both patients with type 2 diabetes and healthcare providers to tailor a behavioral intervention specific to the needs of PEH.
  • * Initial trials of D-HOMES showed that while the program was generally acceptable, participants who were more stably housed reported higher satisfaction and engagement, indicating a need for further adaptation to better support those experiencing homelessness.
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School environmental conditions have immediate and long-term effects on student health and learning. Relying on disconnected, inconsistent, voluntary, or unenforced environmental standards has not resulted in sufficient protection of students from toxic insults. Furthermore, the United States public school system was not prepared to navigate a potentially deadly infectious disease like COVID-19.

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Background: Chronic low back pain (cLBP) is widespread, costly, and burdensome to patients and health systems. Little is known about non-pharmacological treatments for the secondary prevention of cLBP. There is some evidence that treatments addressing psychosocial factors in higher risk patients are more effective than usual care.

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Chronic low back pain (cLBP) is widespread, costly, and burdensome to patients and health systems. Little is known about non-pharmacological treatments for the secondary prevention of cLBP. There is some evidence that treatments addressing psychosocial factors in higher risk patients are more effective than usual care.

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Rationale & Objective: Chronic kidney disease (CKD) is a prevalent condition with high mortality rates. Cardiovascular disease (CVD) is accepted as the leading cause of death in CKD, but data are limited, and no study has evaluated the cause of death in those with progressive CKD versus stable kidney function.

Study Design: Retrospective cohort.

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Background And Objectives: To determine the percentage of the healthy population that responds asymmetrically to the red desaturation test and to approximate the degree of red desaturation in those individuals. We also sought to elucidate any correlation between demographic variables and red desaturation prevalence and severity.

Methods: Adults aged 18 years and older with a normal eye examination, including confrontation fields and best-corrected visual acuity of ≥20/25 in both eyes, were eligible for this prevalence study.

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Aims: Cancer patients are at increased risk of cardiovascular disease (CVD) after treatment with potentially cardiotoxic treatments. Many cancer patients undergo non-gated chest computed tomography (NCCT) for cancer staging prior to treatment. We aimed to assess whether coronary artery calcification on NCCT predicts CVD risk in cancer patients.

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Article Synopsis
  • * A review of 21 out of 81 identified projects found key policy elements like manuscript proposal reviews (90% compliance) and guidelines for acknowledgments (86%) to be common.
  • * The study suggests creating an NIH policies repository with model language to enhance clarity and efficiency in team science research, ultimately minimizing the burden on consortia and focusing resources on scientific work.
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Introduction: Autonomic dysfunction is common in chronic obstructive pulmonary disease (COPD), and worse autonomic function may be a marker of risk for acute exacerbations of COPD (AECOPD). Heart rate variability (HRV) is a measure of autonomic function. Our objective was to test whether lower (worse) HRV is a risk factor for AECOPD.

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The BLOCK COPD (β-Blockers for the Prevention of Acute Exacerbations of Chronic Obstructive Pulmonary Disease) study found that metoprolol was associated with a higher risk of severe exacerbation. To determine the mechanism underlying these results, we compared changes in lung function over the course of the study between treatment groups and evaluated whether baseline bronchodilator response or early reduction in forced expiratory volume in 1 second (FEV) or forced vital capacity (FVC) was associated with exacerbation risk. We compared changes in lung function (FEV and FVC) over the treatment period between treatment groups using linear mixed-effect models.

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Background: Lower heart rate (HR) increases during exercise and slower HR recovery (HRR) after exercise are markers of worse autonomic function that may be associated with risk of acute respiratory events (ARE).

Methods: Data from 6-min walk testing (6MWT) in COPDGene were used to calculate the chronotropic index (CI) [(HR immediately post 6MWT - resting HR)/((220 - age) - resting HR)] and HRR at 1 min after 6MWT completion. We used zero-inflated negative binomial regression to test associations of CI and HRR with rates of any ARE (requiring steroids and/or antibiotics) and severe ARE (requiring emergency department visit or hospitalization), among all participants and in spirometry subgroups (normal, chronic obstructive pulmonary disease [COPD], and preserved ratio with impaired spirometry).

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Background: Chronic obstructive pulmonary disease (COPD) is an age-related condition that has been associated with early telomere attrition; the clinical implications of telomere shortening in COPD are not well known. In this study we aimed to determine the relationship of the epigenetic regulation of telomeric length in peripheral blood with the risk of exacerbations and hospitalization in patients with COPD.

Methods: Blood DNA methylation profiles were obtained from 292 patients with COPD enrolled in the placebo arm of the Macrolide Azithromycin to Prevent Rapid Worsening of Symptoms Associated with Chronic Obstructive Pulmonary Disease (MACRO) Study and who were followed for 1-year.

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Intravenous immunoglobulin (IVIg) is a frequently used treatment modality in the pediatric inpatient population for acute diseases such as Kawasaki disease and Stevens-Johnson syndrome. There are few reported cutaneous adverse events after IVIg in the pediatric population. Here, we present two patients with psoriasiform dermatitis appearing after IVIg treatment for two different disease processes, Kawasaki disease and mycoplasma-associated mucositis, suggesting an association with the treatment instead of the disease process.

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Background: Bayesian response-adaptive designs, which data adaptively alter the allocation ratio in favor of the better performing treatment, are often criticized for engendering a non-trivial probability of a subject imbalance in favor of the inferior treatment, inflating type I error rate, and increasing sample size requirements. The implementation of these designs using the Thompson sampling methods has generally assumed a simple beta-binomial probability model in the literature; however, the effect of these choices on the resulting design operating characteristics relative to other reasonable alternatives has not been fully examined. Motivated by the Advanced R Eperfusion STrategies for Refractory Cardiac Arrest trial, we posit that a logistic probability model coupled with an urn or permuted block randomization method will alleviate some of the practical limitations engendered by the conventional implementation of a two-arm Bayesian response-adaptive design with binary outcomes.

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The chronotropic index quantifies the proportion of the expected heart rate increase that is attained during exercise. The relationship between the chronotropic index and acute exacerbations of chronic obstructive pulmonary disease (AECOPDs) has not been evaluated. To determine whether a higher chronotropic index during a 6-minute walk (CI-6MW) is associated with lower risk of AECOPD and whether the CI-6MW is a marker of susceptibility to adverse effects of metoprolol in chronic obstructive pulmonary disease (COPD).

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Background: Delayed graft function (DGF) of a kidney transplant results in increased cost and complexity of management. For clinical care or a DGF trial, it would be ideal to accurately predict individual DGF risk and provide preemptive treatment. A calculator developed by Irish et al has been useful for predicting population but not individual risk.

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This secondary analysis studied 50 transcripts of women who shared day-to-day experiences of lower urinary tract symptoms (LUTS) and characterized temporal (time-associated) features of living with LUTS. Findings revealed two overarching time-associated themes: and Findings suggest that the temporal burden of LUTS is the accumulated impact of symptoms and symptom management on women's daily lives within multiple contexts across the life course. Increasing nurses' knowledge of the temporal context of LUTS may heighten awareness and improve symptom detection and management.

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Background: Suboptimal treatment of hypertension remains a widespread problem, particularly among minorities and socioeconomically disadvantaged groups. We present a health system-based intervention with diverse patient populations using readily available smartphone technology. This intervention is designed to empower patients and create partnerships between patients and their provider team to promote hypertension control.

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: Oculocutaneous albinism type 1A (OCA1A), with lifelong absent melanin in skin, hair, and eyes, is the most severe type of albinism with greatest ametropia and poorest vision. We evaluated the relationship between age when spectacles were begun and visual outcome, in addition to status of refraction, in OCA1A. : After IRB approval, a retrospective review of 70 consecutive charts of patients with OCA1A identified 24 fitting inclusion criterion of BCVA recorded at age 10-12 years.

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Background: Among patients with out-of-hospital cardiac arrest (OHCA) and ventricular fibrillation, more than half present with refractory ventricular fibrillation unresponsive to initial standard advanced cardiac life support (ACLS) treatment. We did the first randomised clinical trial in the USA of extracorporeal membrane oxygenation (ECMO)-facilitated resuscitation versus standard ACLS treatment in patients with OHCA and refractory ventricular fibrillation.

Methods: For this phase 2, single centre, open-label, adaptive, safety and efficacy randomised clinical trial, we included adults aged 18-75 years presenting to the University of Minnesota Medical Center (MN, USA) with OHCA and refractory ventricular fibrillation, no return of spontaneous circulation after three shocks, automated cardiopulmonary resuscitation with a Lund University Cardiac Arrest System, and estimated transfer time shorter than 30 min.

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