Publications by authors named "Michael Puskarich"

Background: There is conflicting evidence regarding emergency medical service (EMS) provider level of training and outcomes in trauma. We hypothesized that advanced life support (ALS) provider transport is associated with lower mortality compared with basic life support transport.

Methods: We performed secondary analysis of a combined prehospital and in-hospital database of trauma patients utilizing ESO electronic medical records from 2018 to 2022.

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Background: Sepsis remains the leading cause of in-hospital death and one of the costliest inpatient conditions in the United States, while treatment delays worsen outcomes. We sought to determine factors and outcomes associated with a missed emergency physician (EP) diagnosis of sepsis.

Methods: We conducted a secondary analysis of a prospective single-center observational cohort of undifferentiated, critically ill medical patients (September 2020-May 2022).

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Article Synopsis
  • The study investigates the incidence and outcomes of hypothermic cardiac arrest (HCA) in an urban setting, contrasting with previous focus on wilderness cases.
  • Among 171 eligible patients, 25% suffered HCA, with risk increasing significantly as core temperature decreased; HCA was seen in 6% of moderately hypothermic, 38% of severely hypothermic, and 89% of profoundly hypothermic patients.
  • Witnessed HCA cases, particularly in prehospital or emergency department settings, showed favorable survival outcomes, with a 53% overall survival rate, and even higher (90%) for patients whose HCA occurred post-arrival in the ED.
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Objectives: Clinical management of traumatic brain injury (TBI) focuses on preventing secondary injury from cerebral edema and ongoing anoxic injury. Consensus guidelines recommend maintaining systolic blood pressure (SBP) 110 mmHg. A recent prehospital study suggested lowest adjusted mortality from 130 mmHg to 180 mmHg, suggesting the ideal pressure may be higher.

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Introduction: This systematic review explores the relationship between cellular senescence, an age-related inflammatory phenomenon, with acute human infectious disease.

Methods: Embase via OVID, Scopus, Web of Science, Global Index Medicus, Cochrane Library via Wiley, and ClinicalTrials.gov were queried.

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Objectives: The epidemic of opioid use disorder (OUD) remains pervasive in the United States. In an effort to increase the availability and timeliness of medications for opioid use disorder (MOUD), several agencies in the United States (US) offer buprenorphine by prehospital providers to selected patients, though published data remains limited. We describe the preliminary safety and feasibility of training all paramedics within a single agency to administer buprenorphine in the field without online medical control to simultaneously treat opioid withdrawal and initiate MOUD.

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Background: Plasma dipeptidyl peptidase-3 (DPP3) and renin levels are associated with organ dysfunction and mortality. However, whether these biomarkers are associated with the subsequent onset of shock in at-risk patients is unknown.

Methods: Using plasma samples collected from participants enrolled in the fourth Accelerating COVID-19 Therapeutic Interventions and Vaccines Host Tissue platform trial, we measured DPP3 and renin in 184 subjects hospitalized with acute hypoxemia from COVID-19 without baseline vasopressor requirement.

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Article Synopsis
  • Senescent immune cells, which have altered gene expression and resist apoptosis, are linked to worsened outcomes in sepsis among aged individuals, prompting research into the senolytic drug fisetin as a potential treatment.
  • A phase 2 clinical trial is underway, involving 220 elderly sepsis patients who will receive either fisetin or a placebo to evaluate fisetin's ability to prevent clinical deterioration and its impact on senescent immune cells.
  • Results from this trial will help shape future larger studies and contribute to understanding the role of fisetin in treating sepsis in elderly patients.
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Objectives: Data suggest patients suffering acute coronary occlusion myocardial infarction (OMI) benefit from prompt primary percutaneous intervention (PPCI). Many emergency medical services (EMS) activate catheterization labs to reduce time to PPCI, but suffer a high burden of inappropriate activations. Artificial intelligence (AI) algorithms show promise to improve electrocardiogram (ECG) interpretation.

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Article Synopsis
  • - Metformin shows antiviral properties against SARS-CoV-2 by inhibiting protein translation through the mechanistic target of rapamycin pathway, leading to significant reductions in hospitalizations, emergency visits, and long COVID risk in the COVID-OUT trial.
  • - The COVID-OUT trial involved 999 participants and compared metformin, fluvoxamine, and ivermectin; it found a 3.6-fold reduction in viral load with metformin compared to placebo, and reduced rates of detectable viral load and viral rebound.
  • - The results indicate that metformin effectively lowers SARS-CoV-2 viral load, potentially explaining its clinical effectiveness, while neither ivermectin nor fluvoxamine showed significant benefits over placebo.
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Study Objective: Compare physician gestalt to existing screening tools for identifying sepsis in the initial minutes of presentation when time-sensitive treatments must be initiated.

Methods: This prospective observational study conducted with consecutive encounter sampling took place in the emergency department (ED) of an academic, urban, safety net hospital between September 2020 and May 2022. The study population included ED patients who were critically ill, excluding traumas, transfers, and self-evident diagnoses.

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Background: Patients with septic shock have the highest risk of death from sepsis, however, racial disparities in mortality outcomes in this cohort have not been rigorously investigated. Our objective was to describe the association between race/ethnicity and mortality in patients with septic shock.

Methods: Our study is a retrospective cohort study of adult patients in the OneFlorida Data Trust (Florida, United States of America) admitted with septic shock between January 2012 and July 2018 We identified patients as having septic shock if they received vasopressors during their hospital encounter and had either an explicit International Classification of Disease (ICD) code for sepsis, or had an infection ICD code and received intravenous antibiotics.

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The COVID-19 pandemic accelerated the development of decentralized clinical trials (DCT). DCT's are an important and pragmatic method for assessing health outcomes yet comprise only a minority of clinical trials, and few published methodologies exist. In this report, we detail the operational components of COVID-OUT, a decentralized, multicenter, quadruple-blinded, randomized trial that rapidly delivered study drugs nation-wide.

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Metabolic disease is a significant risk factor for severe COVID-19 infection, but the contributing pathways are not yet fully elucidated. Using data from two randomized controlled trials across 13 U.S.

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Article Synopsis
  • * This study aimed to develop and validate a new baseline proteomic signature, analyzing over 7000 proteins from patients to predict the severity of COVID-19 during infection.
  • * The findings indicated that 4110 proteins showed significant differences between mild and severe cases, with a promising predictive accuracy, identifying five key proteins and age as indicators for disease severity.
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Study Objective: Levocarnitine (L-carnitine) has shown promise as a metabolic-therapeutic for septic shock, where mortality approaches 40%. However, high-dose (≥ 6 grams) intravenous supplementation results in a broad range of serum concentrations. We sought to describe the population pharmacokinetics (PK) of high-dose L-carnitine, test various estimates of kidney function, and assess the correlation of PK parameters with pre-treatment metabolites in describing drug response for patients with septic shock.

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Background: Angiotensin-converting enzyme inhibitors and angiotensin II receptor blockers (ARBs) have been hypothesized to benefit patients with COVID-19 via the inhibition of viral entry and other mechanisms. We conducted an individual participant data (IPD) meta-analysis assessing the effect of starting the ARB losartan in recently hospitalized COVID-19 patients.

Methods: We searched ClinicalTrials.

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Current antiviral treatment options for SARS-CoV-2 infections are not available globally, cannot be used with many medications, and are limited to virus-specific targets. Biophysical modeling of SARS-CoV-2 replication predicted that protein translation is an especially attractive target for antiviral therapy. Literature review identified metformin, widely known as a treatment for diabetes, as a potential suppressor of protein translation via targeting of the host mTor pathway.

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Background: Post-COVID-19 condition (also known as long COVID) is an emerging chronic illness potentially affecting millions of people. We aimed to evaluate whether outpatient COVID-19 treatment with metformin, ivermectin, or fluvoxamine soon after SARS-CoV-2 infection could reduce the risk of long COVID.

Methods: We conducted a decentralised, randomised, quadruple-blind, parallel-group, phase 3 trial (COVID-OUT) at six sites in the USA.

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Objectives: Recent research has helped define the complex pathways in sepsis, affording new opportunities for advancing diagnostics tests. Given significant advances in the field, a group of academic investigators from emergency medicine, intensive care, pathology, and pharmacology assembled to develop consensus around key gaps and potential future use for emerging rapid host response diagnostics assays in the emergency department (ED) setting.

Methods: A modified Delphi study was conducted that included 26 panelists (expert consensus panel) from multiple specialties.

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Importance: Preclinical models suggest dysregulation of the renin-angiotensin system (RAS) caused by SARS-CoV-2 infection may increase the relative activity of angiotensin II compared with angiotensin (1-7) and may be an important contributor to COVID-19 pathophysiology.

Objective: To evaluate the efficacy and safety of RAS modulation using 2 investigational RAS agents, TXA-127 (synthetic angiotensin [1-7]) and TRV-027 (an angiotensin II type 1 receptor-biased ligand), that are hypothesized to potentiate the action of angiotensin (1-7) and mitigate the action of the angiotensin II.

Design, Setting, And Participants: Two randomized clinical trials including adults hospitalized with acute COVID-19 and new-onset hypoxemia were conducted at 35 sites in the US between July 22, 2021, and April 20, 2022; last follow-up visit: July 26, 2022.

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