• Author: George N. Ioannou
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Rates and factors associated with hepatocellular carcinoma diagnosis, stage, treatment, and survival

Abstract: BACKGROUND AND AIMS: Up-to-date information is needed on hepatocellular carcinoma (HCC) diagnosis, stage, treatment, and survival. METHODS: Of > 2000 patients with a new …

Illness experiences of Veterans reporting long-term symptoms or health challenges from COVID-19: Results from the VA COVID-19 Observational Research Collaboratory

Abstract:Background: Our understanding of the illness experience of long COVID comes mostly from studies conducted among long COVID online communities and support groups or …

Durability of respiratory syncytial virus vaccine effectiveness among US Veterans

Abstract: Importance: A single respiratory syncytial virus (RSV) vaccine dose is recommended for older adults and persons at increased risk for severe RSV. Clinical information on …

Practice changing RCT design and rationale: Abbreviated MRI plus AFP vs. ultrasound plus AFP for HCC surveillance in cirrhosis (PREMIUM study)

Abstract: Abdominal ultrasound every 6 months with or without serum alpha-fetoprotein (AFP) is recommended for hepatocellular carcinoma (HCC) screening in patients with cirrhosis. …

Veteran mental health emergency care utilization following SARS-CoV-2 infection

Abstract: OBJECTIVE: To evaluate whether Veterans infected with SARS-CoV-2 have an elevated risk for needing mental health emergency care (MHEC) relative to uninfected comparators, …

Use of long COVID clinics in the Veterans Health Administration: Implications for the path forward

Abstract: Long COVID is a serious chronic illness that can present in many forms and impact daily functioning and quality of life. Without curative treatments, management of long …

Veterans at high risk for post-COVID-19 suicide attempts or other self-directed violence

Abstract: Importance: US veterans have a higher risk of suicide than the general civilian population. Research suggests that COVID-19 infection is associated with increased risk of …

Development of a prediction model for 30-day COVID-19 hospitalization and death in a national cohort of Veterans Health Administration patients, March 2022-April 2023

Abstract: Objective: The epidemiology of COVID-19 has substantially changed since its emergence given the availability of effective vaccines, circulation of different viral …

Incidence and risk of post-COVID-19 thromboembolic disease and the impact of aspirin prescription; nationwide observational cohort at the US Department of Veteran Affairs

Abstract: Introduction: COVID-19 triggers prothrombotic and proinflammatory changes, with thrombotic disease prevalent in up to 30% SARS-CoV-2 infected patients. Early work …

Financial hardship after COVID-19 infection among US Veterans: A national prospective cohort study

Abstract: Background: Research suggests an association between COVID-19 infection and certain financial hardships in the shorter term and among single-state and privately insured …

Identifying Veterans who benefit from nirmatrelvir-ritonavir: A target trial emulation

Abstract: Background: Nirmatrelvir-ritonavir is recommended for persons at risk for severe coronavirus disease 2019 (COVID-19) but remains underutilized. Information on which …

Regional variation in financial hardship among US Veterans during the COVID-19 pandemic

Abstract: Geographic variation in hardship, especially health-related hardship, was identified prior to and during the pandemic, but we do not know whether this variation is …