Publications by authors named "Ami B Shah"

Background: The long-term effects of children hospitalized with multisystem inflammatory syndrome in children (MIS-C) or acute COVID-19 are not well known. Our objective was to determine long-term outcomes.

Methods: Children hospitalized with MIS-C or COVID-19 at 3 US hospitals from March 2020, through February 2021 were followed to assess health through 2 years post-hospitalization using medical records and patient surveys.

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Article Synopsis
  • The CDC recommended the updated 2023-2024 COVID-19 vaccination (monovalent XBB.1.5) for everyone aged 6 months and older to help prevent severe disease caused by COVID-19.
  • For individuals with immunocompromising conditions, additional vaccine doses may be needed due to their increased risk of severe illness and potentially weaker vaccine responses.
  • Vaccine effectiveness for the updated dose was about 38% for hospitalized adults with immunocompromising conditions 7-59 days post-vaccination and 34% between 60-119 days, but only 18% of this high-risk group had received the updated vaccine.
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  • In September 2023, the CDC recommended the updated 2023-2024 monovalent XBB.1.5 COVID-19 vaccine for everyone aged 6 months and older to help prevent COVID-19, including severe cases.
  • An analysis of vaccine effectiveness (VE) found that during the first 59 days after vaccination, the VE against COVID-19-related emergency department visits was 51%, which dropped to 39% after 60-119 days.
  • The updated COVID-19 vaccine showed increased protection, with VE against hospitalizations being 52% and 43% between two networks, supporting CDC's guidelines for vaccination.
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  • - The study analyzed the clinical management of multisystem inflammatory syndrome in children (MIS-C) across four hospitals, focusing on treatment variations, patient demographics, and outcomes from March 2020 to March 2021.
  • - Among 233 patients, the most common treatments were steroids, aspirin, IVIG, and anticoagulants, with some patients receiving these treatments in combination; those with respiratory features were less likely to receive both IVIG and steroids simultaneously.
  • - Early administration of IVIG and low-dose steroids was linked to improved patient outcomes, including shorter hospital stays and lower risks of serious complications like ventricular dysfunction and elevated troponin levels.
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We analyzed multisystem inflammatory syndrome in children cases by reported COVID-19 vaccination status (2-dose primary series vs. no vaccination). A total of 46% vaccinated versus 58% unvaccinated persons received intensive care unit-level care ( P = 0.

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  • The study aimed to differentiate multisystem inflammatory syndrome in adults (MIS-A) from acute COVID-19 for better clinical management, using data from 6 medical centers between March 2020 and December 2021.
  • Out of 10,223 patients with SARS-CoV-2-related illnesses, 53 cases of MIS-A were identified and compared to 106 matched COVID-19 cases, revealing distinct demographic and clinical features.
  • Patients with MIS-A were more likely to have specific symptoms such as gastrointestinal issues, higher levels of certain lab markers, and required longer hospital stays and more intensive care treatments than those with acute COVID-19, although the mortality rate was similar at 6%.
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  • In 2020, the COVID-19 pandemic strained the U.S. healthcare system, leading to disruptions in patient access due to stay-at-home orders and the cancellation of elective procedures.
  • The CDC developed the Coronavirus Self-Checker, an interactive online tool that guides individuals on when to seek medical care based on their symptoms.
  • Analyzing over 16 million conversations, the Self-Checker recommended self-monitoring for 69.27% of users, advised immediate care for 28.8%, and redirected 1.89% without care advice.
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Background: Multisystem inflammatory syndrome in children (MIS-C) is a multiorgan hyperinflammatory condition following SARS-CoV-2 infection. Data on COVID-19 vaccine adverse events and vaccine attitudes in children with prior MIS-C are limited. We described characteristics associated with COVID-19 vaccination, vaccine adverse events and vaccine attitudes in children with a history of MIS-C or COVID-19 and their parents/guardians.

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Telehealth is the use of electronic information and telecommunication technologies to provide care when the patient and the provider are not in the same room at the same time. Telehealth accounted for less than 1% of all Medicare Fee-for-Service outpatient visits in the United States in 2019 but grew to account for 46% of all visits in April 2020. Changes in reimbursement and licensure policies during the COVID-19 pandemic appeared to greatly facilitate this increased use.

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Objective: In 2020, the COVID-19 pandemic overburdened the US health care system because of extended and unprecedented patient surges and supply shortages in hospitals. We investigated the extent to which several US hospitals experienced emergency department (ED) and intensive care unit (ICU) overcrowding and ventilator shortages during the COVID-19 pandemic.

Methods: We analyzed Health Pulse data to assess the extent to which US hospitals reported alerts when experiencing ED overcrowding, ICU overcrowding, and ventilator shortages from March 7, 2020, through April 30, 2021.

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Background: Multisystem inflammatory syndrome in children (MIS-C) is a novel severe postinfectious condition associated with severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2). The purpose of this report is to describe nationwide trends in the evolving clinical management of MIS-C.

Methods: Patients with MIS-C were reported from state and local jurisdictions to the Centers for Disease Control and Prevention's (CDC's) MIS-C national surveillance system.

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Background: The US public health response to the COVID-19 pandemic has required contact tracing and symptom monitoring at an unprecedented scale. The US Centers for Disease Control and Prevention and several partners created the Text Illness Monitoring (TIM) platform in 2015 to assist US public health jurisdictions with symptom monitoring for potential novel influenza virus outbreaks. Since May 2020, 142 federal, state, and local public health agencies have deployed TIM for COVID-19 symptom monitoring.

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Background: Elevated testosterone (T) is routinely reported as a marker of hyperandrogenemia in rodent models for polycystic ovary syndrome (PCOS). In women with PCOS, elevated serum androstenedione (A4) is associated with more severe phenotypes, including a positive correlation with serum T, DHEAS, free androgen index (FAI), LH, and LH/FSH ratio. Furthermore, A4, along with calculated free T and FAI, was identified as one of the best predictors of PCOS in adult women of all ages (18 to > 50 y).

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Background And Objectives: Persons receiving outpatient hemodialysis are at risk for bloodstream and vascular access infections. The Centers for Disease Control and Prevention conducts surveillance for these infections through the National Healthcare Safety Network. We summarize 2014 data submitted to National Healthcare Safety Network Dialysis Event Surveillance.

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While chemoresistance in primary tumors is well-studied, much less is known about the influence of systemic chemotherapy on the development of drug resistance at metastatic sites. In this work, we use a hybrid spatial model of tumor response to a DNA damaging drug to study how the development of chemoresistance in micrometastases depends on the drug dosing schedule. We separately consider cell populations that harbor pre-existing resistance to the drug, and those that acquire resistance during the course of treatment.

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