Timothy J. Wiegand

ORCID: 0000-0001-9004-2914
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About
Contact & Profiles
Research Areas
  • Poisoning and overdose treatments
  • Opioid Use Disorder Treatment
  • Forensic Toxicology and Drug Analysis
  • Drug-Induced Hepatotoxicity and Protection
  • Pain Management and Opioid Use
  • Prenatal Substance Exposure Effects
  • Treatment of Major Depression
  • Psychedelics and Drug Studies
  • Anesthesia and Sedative Agents
  • Suicide and Self-Harm Studies
  • Cannabis and Cannabinoid Research
  • Substance Abuse Treatment and Outcomes
  • Alcoholism and Thiamine Deficiency
  • Pharmacology and Obesity Treatment
  • Immunotoxicology and immune responses
  • Neurotransmitter Receptor Influence on Behavior
  • Chemical synthesis and alkaloids
  • Silymarin and Mushroom Poisoning
  • Pharmaceutical studies and practices
  • Pesticide Exposure and Toxicity
  • Animal testing and alternatives
  • Mental Health Treatment and Access
  • Cardiac Arrest and Resuscitation
  • Carcinogens and Genotoxicity Assessment
  • Pharmaceutical Practices and Patient Outcomes

University of Rochester Medical Center
2014-2023

Strong Memorial Hospital
2013-2023

Clinical Research Consortium
2023

Society of Critical Care Medicine
2023

MedStar Washington Hospital Center
2023

Ballad Health
2023

Johnson City Medical Center
2023

Elmhurst Hospital Center
2021

Icahn School of Medicine at Mount Sinai
2021

University of Rochester
2013-2019

Illicit opioids, consisting largely of fentanyl, novel synthetic and adulterants, are the primary cause drug overdose fatality in United States. Xylazine, an alpha-2 adrenergic agonist veterinary tranquilizer, is being increasingly detected among decedents following illicit opioid overdose. Clinical outcomes non-fatal involving xylazine unexplored. Therefore, emergency department patients with overdose, we evaluated clinical outcome differences for without exposures.

10.1080/15563650.2022.2159427 article EN Clinical Toxicology 2023-03-04

Prescription opioid abuse is a major public health concern and an ongoing epidemic in the United States. Loperamide widely available inexpensive over-the-counter antidiarrheal with peripheral mu-opioid receptor activity. Online resources discuss use of loperamide for amelioration withdrawal symptoms or recreational abuse. We describe clinical course 5 patients abusing loperamide, 3 whom had life-threatening cardiac arrhythmias.In this observational case series, arrhythmias history were...

10.3109/15563650.2014.969371 article EN Clinical Toxicology 2014-10-27

Abstract Background Near-term risk factors for suicidal behavior, referred to as ‘warning signs’ (WS), distinguish periods of acute heightened from lower within an individual. No prior published study has examined, using a controlled design, broad set hypothesized WS suicide attempt. This addressed this gap through examination behavioral/experiential, cognitive, and affective among patients recently hospitalized following Methods Participants were recruited during hospitalization five...

10.1017/s0033291721004712 article EN Psychological Medicine 2022-01-25

The rapid spread and mortality associated with COVID-19 emphasized a need for surveillance system development to identify adverse events (AEs) emerging therapeutics. Bradycardia is remdesivir infusion-associated AE listed in the US Food Drug Administration-approved prescribing information.To evaluate magnitude duration of bradycardic following administration.A multicenter cohort study patients recorded heart rate less than 60 beats per minute within 24 hours after administration dose was...

10.1001/jamanetworkopen.2022.55815 article EN cc-by-nc-nd JAMA Network Open 2023-02-14

Background. Lipid emulsion is gaining popularity as an antidote for lipophilic drug overdose, and generally considered safe at doses recommended antidotal therapy. We report a case of asymptomatic pancreatitis following extended infusion lipid emulsion. Case report. A 14-year-old female presented to the emergency department actively seizing after ingesting 9 g bupropion unknown amounts hydroxyzine citalopram. She was intubated airway protection, gastrointestinal decontamination performed...

10.3109/15563650.2013.831436 article EN Clinical Toxicology 2013-08-30

Context. We report the extraction of acetaminophen by continuous venovenous hemodiafiltration (CVVHD) during treatment an acute ingestion 200 g with a peak recorded serum level 1,614 mg/L (10,652 μmol/L). Case details. The patient presented early onset coma, metabolic acidosis, and hypotension in absence significant hepatic injury. In addition to N-acetylcysteine (NAC) therapy, CVVHD was performed manage acid–base disturbance. Flow rate, effluent volume, drug concentrations were obtained at...

10.3109/15563650903524142 article EN Clinical Toxicology 2010-02-01

Diphenhydramine (DPH) acts on peripheral and central histamine H1 receptors, causing reduction of allergic symptoms sedation, respectively.1 It is also a potent competitive antagonist muscarinic acetylcholine receptors can cause sinus tachycardia, xerostomia, mydriasis, blurred vision, ileus, urinary retention, CNS depression, agitation, hyperactivity, or psychosis. Given multiple potential mechanisms action its use for variety conditions, cases medication misuse abuse have been reported,2–5...

10.1212/cpj.0000000000000304 article EN Neurology Clinical Practice 2017-10-01

Ayahuasca is a hallucinogenic tea that most commonly comprised of the vine Banisteriopsis caapi alone or in combination with other plants such as Psychotria viridis . This concoction results an orally active form dimethyltryptamine (DMT), amine. Despite use South America medicinal agent and component religious ceremonies, interest its recreational spiritual effects has led to increased United States. We describe unique case following ingestion ayahuasca patient history schizophrenia...

10.1155/2018/3452691 article EN cc-by Case Reports in Emergency Medicine 2018-01-01
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