Publications by authors named "David D. Kim"

During the COVID-19 pandemic, all US states provided emergency allotments (EA) to enrollees of the Supplemental Nutrition Assistance Program (SNAP) to alleviate rising food insecurity. However, 18 states opted out of the SNAP-EA program before its official expiration in February 2023. Using a staggered difference-in-differences model to account for state-level variation in the timing of the SNAP-EA opt-out decisions, we analyzed SNAP and SNAP-EA data from the US Department of Agriculture Food and Nutrition Service to quantify the impact of state opt-out decisions on SNAP benefit size and enrollment.

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Many patients with knee osteoarthritis (KOA) have symptoms that are refractory to traditional nonsurgical treatments, such as intraarticular corticosteroid (CS) injection, but are not yet eligible are not yet eligible for or decline surgery. Genicular artery embolization (GAE) and radiofrequency ablation (RFA) are emerging adjunctive or alternative minimally invasive treatments. The purpose of this study was to perform a cost-effectiveness analysis (CEA) comparing CS therapy, GAE, and RFA for the treatment of symptomatic KOA using a Markov model based on a de novo network meta-analysis (NMA) of randomized control trials.

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Background: Duchenne muscular dystrophy (DMD) is a genetic disease resulting in progressive muscle weakness, loss of ambulation, and cardiorespiratory complications. Direct estimation of health-related quality of life for patients with DMD is challenging, highlighting the need for proxy measures. This study aims to catalog and compare existing published health state utility estimates for DMD and related conditions.

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The authors advocate for a consideration of 2 distinct phases of obesity management (ie, active weight loss and maintenance of weight loss) to allow substantially more people access to antiobesity medications.

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Objective: Prostate cancer is the most common malignancy among men and following a positive prostate-specific antigen (PSA) screening test, patients may undergo more expensive diagnostic testing. However, testing-related out-of-pocket costs (OOPCs), which may preclude patients from completing the screening process, have not been previously quantified. OOPCs for follow-up diagnostic testing (i.

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Introduction: Effective patient-provider communication is a critical component of optimal patient care, but its potential impact on the delivery of healthcare services remains unclear. This study examines the association of patient-provider communication with access to care, healthcare utilization, and financial burden of care.

Methods: Using the 2013-2021 Medical Expenditure Panel Survey longitudinal data, the level of patient-provider communication was measured across four domains (attentive listening, clear explanation, respectfulness, and time allocation) as a primary independent variable, categorized into low, moderate, and high.

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Introduction: Lost objects and equipment malfunctions during robotic and laparoscopic cases can lead to an increase in operating time and potential risk to the patient. The literature on the management of foreign bodies during pediatric robotic-assisted surgery is limited. The purpose of the video is to review proper instrument handling to prevent loss of an object and to propose our technique for retrieving lost objects through two pediatric case examples.

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Despite remarkable clinical advances in highly effective anti-obesity medications, their high price and potential budget impact pose a major challenge in balancing equitable access and affordability. While most attention has been focused on the amount of weight loss achieved, less consideration has been paid to interventions to sustain weight loss after an individual stops losing weight. Using a policy simulation model, we quantified the impact of a weight-maintenance program following the weight-loss plateau from the initial full-dose glucagon-like peptide 1 (GLP-1) receptor agonists or incretin mimetic use.

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Rationale: Synthetic cathinones (SC), commonly referred to as "bath salts", are stimulants resembling the natural alkaloid cathinone found in the khat plant. These substances have the potential to induce serious health risks such as hallucinations, delusions, paranoia and agitation which can lead to substance-induced psychotic disorders. Despite growing concerns, there is a limited understanding of the association between SC consumption and the devolvement of such psychopathologies.

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Article Synopsis
  • - The study investigates the relationship between drug-induced movement disorders (DIMDs) and psychotic symptoms among homeless individuals in Vancouver, highlighting differences in how specific types of DIMDs correlate with particular psychotic symptoms.
  • - Analysis included 401 participants, revealing that parkinsonism is linked to increased negative symptoms, dyskinesia to disorganized symptoms, and akathisia to excited symptoms, but no association with depressive symptoms.
  • - Temporal associations found that delusions and unusual thoughts often precede parkinsonism, while dyskinesia leads to greater conceptual disorganization later on, emphasizing the complex interplay between these conditions in vulnerable populations.
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Article Synopsis
  • Telehealth and telemedicine have rapidly expanded during the COVID-19 pandemic, enhancing patient access to care, especially for those far from medical facilities.
  • Clinicians in behavioral neurology & neuropsychiatry at Massachusetts General Hospital (MGH) have begun using telemedicine for cognitive exams, which were traditionally done in person, outlining their methods and experiences.
  • The article discusses the goals, benefits, and limitations of telemedicine exams, highlighting issues such as technology access for patients, limitations on clinician technology, and the need for in-person assessments when necessary.
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Background And Objectives: Psychogenic non-epileptic seizures (PNES) are commonly associated with co-existing psychiatric disorders. The relationship between psychiatric factors and PNES episodes with and without epilepsy remains understudied. We reviewed co-existing psychiatric disorders in PNES-only, PNES with epilepsy aiming to examine whether these co-existing disorders associated with PNES clinical presentation and long-term outcomes.

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Article Synopsis
  • GWAS have linked genetic risk to diseases, but understanding the cellular mechanisms is tough due to disease complexity.
  • We created a framework using human blood cells and various methods to uncover these cellular processes, conducting GWAS with data from 2,600 individuals and identifying 119 genomic loci related to immune responses.
  • We found a specific type of neutrophil linked to cardiometabolic diseases and developed a model predicting chronic kidney disease risk in type 2 diabetes patients, which helps advance patient stratification and biological understanding in genetic studies.
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Background: Few simulation models have incorporated the interplay of diabetes, obesity, and cardiovascular disease (CVD); their upstream lifestyle and biological risk factors; and their downstream effects on health disparities and economic consequences.

Methods: We developed and validated a US Diabetes, Obesity, Cardiovascular Disease Microsimulation (DOC-M) model that incorporates demographic, clinical, and lifestyle risk factors to jointly predict overall and racial-ethnic groups-specific obesity, diabetes, CVD, and cause-specific mortality for the US adult population aged 40 to 79 y at baseline. An individualized health care cost prediction model was further developed and integrated.

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Background Produce prescription programs, providing free or discounted produce and nutrition education to patients with diet-related conditions within health care systems, have been shown to improve dietary quality and cardiometabolic risk factors. The potential impact of implementing produce prescription programs for patients with diabetes on long-term health gains, costs, and cost-effectiveness in the United States has not been established. Methods and Results We used a validated state-transition microsimulation model (Diabetes, Obesity, Cardiovascular Disease Microsimulation model), populated with national data of eligible individuals from the National Health and Nutrition Examination Survey 2013 to 2018, further incorporating estimated intervention effects and diet-disease effects from meta-analyses, and policy- and health-related costs from published literature.

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Objective: Many individuals living in precarious housing or homelessness have multimorbid illnesses, including substance use, psychiatric, and neurological disorders. Movement disorders (MDs) associated substance use are amongst the poorly studied subtopics of drug-induced MDs. The aim of the present study was, therefore, to determine the proportion affected and severity of different signs of MDs, as well as their associations with substance use in a community-based sample of precariously housed and homeless individuals.

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Objective: To provide up-to-date and comprehensive US data tables to estimate future net resource use, including nonlabor market production, and examine distributional impacts of including nonhealth and future costs in cost-effectiveness results.

Methods: Using a published US cancer prevention simulation model, the paper evaluated the lifetime cost effectiveness of implementing a 10% excise tax on processed meats across age- and sex-specific population subgroups. The model examined multiple scenarios accounting for cancer-related healthcare expenditure (HCE) only, cancer-related and unrelated background HCE, adding productivity benefits (i.

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Article Synopsis
  • The study aimed to evaluate how menu calorie labeling could help reduce cancer cases related to obesity in the US population.
  • Using a cost-effectiveness model, it analyzed the effects of this policy on consumer habits and food industry changes among 235 million adults aged 20 and older.
  • Results showed that just by changing consumer behavior, the policy could prevent thousands of cancer cases and deaths, save billions in medical costs, and yield significant overall cost savings.
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Article Synopsis
  • A new quality assessment tool for cost-effectiveness analyses was created to overcome limitations of existing guidelines, focusing on both methods and reporting quality attributes.
  • The tool was developed through a rigorous process involving a scoping review, an online survey of 524 participants, and statistical analysis, leading to the identification of 48 key quality attributes.
  • Key findings highlighted that attributes related to modeling and data inputs are crucial for methods quality, while detailed model descriptions are important for reporting quality, though equity considerations were considered less important.
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