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Predictive modeling of adverse mental health outcomes following acute hospitalizations for serious illness: A machine learning approach with natural language processing

This study addresses predicting risk of post-traumatic stress disorder and other mental health conditions following hospitalization for life-threatening conditions. We will use an existing, retrospective cohort of 408,377 patients hospitalized with severe illness, including sepsis, to develop and validate predictive…

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Disparities in REsults of Immune Checkpoint Inhibitor Treatment (DiRECT): A Prospective Cohort Study of Cancer Survivors Treated with anti-PD-1/anti-PD-L1 in a Community Oncology Setting

This project will establish a prospective cohort of white and Black cancer patients treated with immune checkpoint inhibitors, leveraging the NCI Community Oncology Research Program network infrastructure, to investigate racial differences in immune-related adverse events and their predictors, treatment delay…

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Long-term effectiveness of BPH/LUTS pharmacological therapies and using machine learning based predictive analytics to tailor treatment.

This career development award project will compare the effectiveness of pharmacological therapy for lower urinary tract symptoms secondary to benign prostatic hyperplasia in preventing long-term disease progression; and develop and validate predictive models using demographic, clinical, and laboratory data available…

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Hospital Alternatives (HALT)

The SRI team will (a) assess results of previous internal and external deployments of alternatives to hospitalization, (b) define strategies to quantify the potential pool of Kaiser Permanente Northern California patients who would be eligible for such alternatives, (c) develop…

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Post-Acute Kidney Injury Proteinuria and Subsequent Kidney Disease Progression: The Assessment, Serial Evaluation, and Subsequent Sequelae in Acute Kidney Injury (ASSESS-AKI) Study

Among patients who had acute kidney injury (AKI) during hospitalization, there is a need to improve risk prediction such that those at highest risk for subsequent loss of kidney function are identified for appropriate follow-up. To evaluate the association of…

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Metformin Initiation and Early Adherence among Kaiser Permanente Northern California Members with Newly Diagnosed Type 2 Diabetes

Aim 1: Identify patient-level predictors of metformin treatment during the year following type 2 diabetes diagnosis. Examined factors will include: demographics, such as age, race/ethnicity, gender, and rural versus urban; clinical characteristics, such as A1c at diagnosis, diabetes-related comorbidities (hypertension,…

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Use of Measures of Inflammation and Kidney Function for Prediction of Atherosclerotic Vascular Disease Events and Death in Patients With CKD: Findings From the CRIC Study

Traditional risk estimates for atherosclerotic vascular disease (ASVD) and death may not perform optimally in the setting of chronic kidney disease (CKD). We sought to determine whether the addition of measures of inflammation and kidney function to traditional estimation tools…

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Factors that Influence Selection of Urinary Diversion among Bladder Cancer Patients in Three Community-Based Integrated Health Care Systems

To assess the relative contributions of patient and surgeon factors for predicting selection of ileal conduit (IC), neobladder (NB), or continent pouch (CP) urinary diversions (UD) for patients diagnosed with muscle-invasive/high-risk nonmuscle invasive bladder cancer. This information is needed to…

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Predictors of Healthcare Effectiveness Data and Information Set (HEDIS) treatment initiation and engagement among patients with opioid use disorder across 7 health systems

Background: The prevalence of opioid use disorder (OUD) has increased rapidly in the United States and improving treatment access is critical. Among patients with OUD, we examined factors associated with the Healthcare Effectiveness Data and Information Set (HEDIS) performance measures…

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Healthy Lifestyle During the Midlife Is Prospectively Associated With Less Subclinical Carotid Atherosclerosis: The Study of Women’s Health Across the Nation

Background Measures of subclinical atherosclerosis are predictors of future cardiovascular outcomes as well as of physical and cognitive functioning. The menopausal transition is associated with accelerated progression of atherosclerosis in women. The prospective association between a healthy lifestyle during the…

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Optimizing Long-Term Post-Polypectomy Surveillance for Colorectal Cancer Prevention Using a Prediction Rule Developed from a Large, Community-Based Cohort

​Screening has been shown to reduce colorectal cancer incidence and mortality. However, screening has resulted in a growing cohort of patients with adenomatous polyps (adenomas), and little is known about effectively managing their post-polypectomy surveillance. With limited data available in…

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Pre-discharge and early post-discharge troponin elevation among patients hospitalized for heart failure with reduced ejection fraction: findings from the ASTRONAUT trial.

AIMS: Troponin levels are commonly elevated among patients hospitalized for heart failure (HF), but the prevalence and prognostic significance of early post-discharge troponin elevation are unclear. This study sought to describe the frequency and prognostic value of pre-discharge and post-discharge…

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Evaluating a Risk Prediction Model for Lung Cancer

Screening with low-dose computed tomography (LDCT) presents an opportunity to improve early detection and reduce mortality from lung cancer. However, the potential harms of LDCT screening, including frequent false-positive findings that lead to unnecessary procedures and repeated radiation exposure, have…

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In-Hospital Diuretic Agent Use and Post-Discharge Clinical Outcomes in Patients Hospitalized for Worsening Heart Failure: Insights From the EVEREST Trial.

OBJECTIVES: The aim of this study was to characterize the association between decongestion therapy and 30-day outcomes in patients hospitalized for heart failure (HF).BACKGROUND: Loop diuretic agents are commonly prescribed for the treatment of symptomatic congestion in patients hospitalized for…

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Identifying Barriers and Practical Solutions to Conducting Site-Based Research in North America: Exploring Acute Heart Failure Trials As a Case Study.

Although the prognosis of ambulatory heart failure (HF) has improved dramatically there have been few advances in the management of acute HF (AHF). Despite regional differences in patient characteristics, background therapy, and event rates, AHF clinical trial enrollment has transitioned…

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Clinical profile and prognostic value of anemia at the time of admission and discharge among patients hospitalized for heart failure with reduced ejection fraction: findings from the EVEREST trial.

BACKGROUND: Anemia has been associated with worse outcomes in patients with chronic heart failure (HF). We aimed to characterize the clinical profile and postdischarge outcomes of hospitalized HF patients with anemia at admission or discharge.METHODS AND RESULTS: An analysis was…

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Renal Dysfunction as a Predictor of Stroke and Systemic Embolism in Patients with Nonvalvular Atrial Fibrillation: Validation of the R2CHADS2 Index in the ROCKET AF and ATRIA Study Cohorts

BACKGROUND: We sought to define the factors associated with the occurrence of stroke and systemic embolism in a large, international atrial fibrillation (AF) trial. METHODS AND RESULTS: In ROCKET AF (Rivaroxaban Once-daily, oral, direct factor Xa inhibition Compared with vitamin…

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Clinical course and predictive value of congestion during hospitalization in patients admitted for worsening signs and symptoms of heart failure with reduced ejection fraction: findings from the EVEREST trial.

AIMS: Signs and symptoms of congestion are the most common cause for hospitalization for heart failure (HHF). The clinical course and prognostic value of congestion during HHF has not been systemically characterized.METHODS AND RESULTS: A post hoc analysis was performed…

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Prognostic significance of serum total cholesterol and triglyceride levels in patients hospitalized for heart failure with reduced ejection fraction (from the EVEREST Trial).

Lower cholesterol levels are associated with worse outcomes in patients with chronic heart failure (HF) and have been shown to predict in-hospital mortality. The relation between lipid profile and postdischarge outcomes in patients hospitalized for worsening HF is less clear.…

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Atrial fibrillation or flutter on initial electrocardiogram is associated with worse outcomes in patients admitted for worsening heart failure with reduced ejection fraction: findings from the EVEREST Trial.

BACKGROUND: Heart failure (HF) complicated by atrial fibrillation/flutter (AF/AFL) is associated with worse outcomes. However, the clinical profile and outcomes of patients following hospitalization for HF with AF/AFL on initial electrocardiogram (ECG) has not been well studied.METHODS: EVEREST was a…

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Predictive value of low relative lymphocyte count in patients hospitalized for heart failure with reduced ejection fraction: insights from the EVEREST trial.

BACKGROUND: Low lymphocyte count has been shown to be an independent prognostic marker in heart failure (HF) in the outpatient setting. Limited data exist regarding whether relative lymphocyte count correlates with postdischarge outcomes in patients hospitalized for HF.METHODS AND RESULTS:…

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Influence of documented history of coronary artery disease on outcomes in patients admitted for worsening heart failure with reduced ejection fraction in the EVEREST trial.

AIMS: Data on the prognosis of heart failure (HF) patients with coronary artery disease (CAD) have been conflicting. We describe the clinical characteristics and mode-specific outcomes of HF patients with reduced ejection fraction (EF) and documented CAD in a large…

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Early detection of impending physiologic deterioration among patients who are not in intensive care: Development of predictive models using data from an automated electronic medical record

BACKGROUND: Ward patients who experience unplanned transfer to intensive care units have excess morbidity and mortality. OBJECTIVE: To develop a predictive model for prediction of unplanned transfer from the medical-surgical ward to intensive care (or death on the ward in…

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Evaluation of risk equations for prediction of short-term coronary heart disease events in patients with long-standing type 2 diabetes: the translating research into action for diabetes (triad) study

ABSTRACT: BACKGROUND: To evaluate the U.K. Prospective Diabetes Study (UKPDS) and Framingham risk equations for predicting short-term risk of coronary heart disease (CHD) events among adults with long-standing type 2 diabetes, including those with and without preexisting CHD. METHODS: Prospective…

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Predictors of patient satisfaction with mohs surgery: analysis of preoperative, intraoperative, and postoperative factors in a prospective cohort

OBJECTIVE: To identify preoperative, intraoperative, and postoperative variables that predict higher short- and long-term patient satisfaction with Mohs surgery. DESIGN: Prospective cohort study. SETTING: A university-based dermatology practice and the affiliated Veterans Affairs medical center dermatology clinic. Patients A total…

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Risk factors for mortality among patients with diabetes: the Translating Research Into Action for Diabetes (TRIAD) Study

OBJECTIVE: We sought to examine demographic, socioeconomic, and biological predictors of all-cause, cardiovascular, and noncardiovascular mortality in patients with diabetes. RESEARCH DESIGN AND METHODS: Survey, medical record, and administrative data were obtained from 8,733 participants in the Translating Research Into…

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Calcified coronary artery plaque measurement with cardiac CT in population-based studies: standardized protocol of Multi-Ethnic Study of Atherosclerosis (MESA) and Coronary Artery Risk Development in Young Adults (CARDIA) study

Calcified coronary artery plaque, measured at cardiac computed tomography (CT), is a predictor of cardiovascular disease and may play an increasing role in cardiovascular disease risk assessment. The Multi-Ethnic Study of Atherosclerosis (MESA) and the Coronary Artery Risk Development in…

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