Pooya Payandemehr

ORCID: 0000-0003-3556-4052
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About
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Research Areas
  • COVID-19 Clinical Research Studies
  • Long-Term Effects of COVID-19
  • Cardiac Arrest and Resuscitation
  • Anesthesia and Sedative Agents
  • Anesthesia and Pain Management
  • COVID-19 and Mental Health
  • COVID-19 and healthcare impacts
  • Sympathectomy and Hyperhidrosis Treatments
  • Urticaria and Related Conditions
  • SARS-CoV-2 and COVID-19 Research
  • Autoimmune Bullous Skin Diseases
  • Traumatic Brain Injury and Neurovascular Disturbances
  • COVID-19 diagnosis using AI
  • Sepsis Diagnosis and Treatment
  • Lipoproteins and Cardiovascular Health
  • Intensive Care Unit Cognitive Disorders
  • Pain Management and Opioid Use
  • Emergency and Acute Care Studies
  • Migraine and Headache Studies
  • Disaster Response and Management
  • Trauma and Emergency Care Studies
  • Spinal Fractures and Fixation Techniques
  • Kidney Stones and Urolithiasis Treatments
  • Workplace Health and Well-being
  • Multiple Sclerosis Research Studies

NOSM University
2025

Sina Hospital
2015-2024

Tehran University of Medical Sciences
2014-2024

Shaheed Rajaei Cardiovascular Medical and Research Center
2022

Shariati Hospital
2019

Imam Khomeini Hospital
2019

University of Tehran
2007

Thrombotic events are commonly reported in critically ill patients with COVID-19. Limited data exist to guide the intensity of antithrombotic prophylaxis.To evaluate effects intermediate-dose vs standard-dose prophylactic anticoagulation among COVID-19 admitted intensive care unit (ICU).Multicenter randomized trial a 2 × factorial design performed 10 academic centers Iran comparing (first hypothesis) and statin therapy matching placebo (second hypothesis; not this article) adult ICU Patients...

10.1001/jama.2021.4152 article EN JAMA 2021-03-18

Letters20 July 2020Characteristics and Mortality of Hospitalized Patients With COVID-19 in Iran: A National Retrospective Cohort StudyFREEMohammad Jalili, MD, Pooya Payandemehr, Abbas Saghaei, Hassan Nouri Sari, Hamidreza Safikhani, Pirhossein Kolivand, PhDMohammad MDTehran University Medical Sciences, Tehran, Iran (M.J.), MDSina Hospital, Tehran (P.P.), MDIslamic Azad University, (A.S.), MDNational Emergency Organization, (H.N.S., P.K.), MDInformation Technology Center, MOHME, (H.S.),...

10.7326/m20-2911 article EN Annals of Internal Medicine 2020-07-20

Abstract Background Thrombotic complications are considered among the main extrapulmonary manifestations of coronavirus disease 2019 (COVID-19). The optimal type and duration prophylactic antithrombotic therapy in these patients remain unknown. Methods This article reports final (90-day) results Intermediate versus Standard-dose Prophylactic anticoagulation In cRitically-ill pATIents with COVID-19: An opeN label randomized controlled trial (INSPIRATION) study. Patients COVID-19 admitted to...

10.1055/a-1485-2372 article EN other-oa Thrombosis and Haemostasis 2021-04-17

Abstract Objective To assess the effect of statin treatment versus placebo on clinical outcomes in patients with covid-19 admitted to intensive care unit (ICU). Design INSPIRATION/INSPIRATION-S was a multicenter, randomized controlled trial 2×2 factorial design. Results for anticoagulation randomization have been reported previously. double blind atorvastatin are here. Setting 11 hospitals Iran. Participants Adults aged ≥18 years ICU. Intervention Atorvastatin 20 mg orally once daily...

10.1136/bmj-2021-068407 article EN cc-by-nc BMJ 2022-01-07

Abstract BACKGROUND There is an ongoing controversy about harms and benefits of angiotensin-converting enzyme inhibitors (ACEIs) angiotensin II receptor blockers (ARBs) in hypertensive patients with coronavirus disease 2019 (COVID-19). Given the unresolved debate, we investigated association ARBs in-hospital outcomes these patients. METHODS In this retrospective observational study, studied COVID-19 who referred to Sina Hospital Tehran, Iran, from 20 February 29 May 2020. Patients either...

10.1093/ajh/hpaa149 article EN other-oa American Journal of Hypertension 2020-09-11

Current evidence suggests that intravenous magnesium sulfate might be effective for reducing migraine pain. In a recent pilot study, we showed caffeine citrate could reduce the severity of headache. The objective this study is to investigate efficacy vs. management acute headache.We conducted prospective quasi-experimental from January until May 2016 in two educational medical centers Shahid Beheshti University Medical Sciences (Shoahadaye Tajrish Hospital and Imam Hossein Hospital), Tehran,...

10.3344/kjp.2017.30.3.176 article EN cc-by-nc The Korean journal of pain 2017-07-28

The aim of this study was to compare the efficacy and safety sublingual buprenorphine with intravenous morphine sulfate for acute renal colic in emergency department.In double-dummy, randomized controlled trial, we enrolled patients aged 18 55 years who had a clinical diagnosis colic. Patients received either 2 mg an IV placebo, or 0.1 mg/kg placebo. Subjects graded their pain standard 11-point numeric rating scale (NRS) before medication administration 20 40 minutes after that. need rescue...

10.1186/1865-1380-7-1 article EN cc-by International Journal of Emergency Medicine 2014-01-03

Introduction: Since December 2019, an outbreak of Covid-19 has caused growing concern in multiple countries. Researchers around the world are working to find a treatment or vaccine for and different approaches have been tested this regard. Objective: This study was designed conducted assess possible efficacy Interferon beta-1a as safe efficient candidate treatment. Methods: is investigator-initiated, open-label, single-arm clinical trial. Twenty patients with suspected Covid-19, who were...

10.22114/ajem.v4i2s.454 article EN 2020-05-26

Background In the INSPIRATION-S trial, atorvastatin versus placebo was associated with a nonsignificant 16% reduction in 30-day composite of venous/arterial thrombosis or death intensive care unit (ICU) patients COVID-19. Thrombo-inflammatory response coronavirus disease 2019 (COVID-19) may last beyond first 30 days. Methods This article reports effects 20 mg daily on 90-day clinical and functional outcomes from INSPIRATION-S, double-blind multicenter randomized trial adult ICU The main...

10.1055/a-2059-4844 article EN Thrombosis and Haemostasis 2023-03-21

Background: Trauma severity indices are commonly used to describe the of sustained injuries in a quantitative manner perceivable by healthcare providers different settings. In this study, we aimed assess predictive utility Glasgow Coma Scale (GCS) and 2015 revision head Abbreviated Injury (head AIS) as two most widely for traumatic brain injury (TBI). Methods: cross-sectional data from National Registry Iran. The area under receiver operating characteristic curve (AUROC) was calculated GCS...

10.34172/aim.2022.81 article EN cc-by Archives of Iranian Medicine 2022-08-01

OBJECTIVES: Digital nerve block is a painful procedure. Several methods have been proposed to decrease the injection pain. Applying an ice pack pertinent choice due its effectiveness on pain reduction, convenience, and low costs. In this study, degree of reduction was assessed after applying site anesthetic injection.METHODS: One hundred participants with traumatic finger injury were assessed. performed in fifty patients intervention group 6 min application. control group, procedure done...

10.4103/2452-2473.281628 article EN cc-by-nc-sa Turkish Journal of Emergency Medicine 2020-01-01

Abstract Objective Shift work affects health status of healthcare providers and patients. We assessed the effect shift on psychomotor activities emergency medicine residents 3 university hospitals. Methods The participants were enrolled to perform selected tests via Vienna test system (VTS) after written consent. They passed 4 episodes performance before 2 consecutive day night clinical shifts 12 hours. general health, circadian rhythm, sleepiness, smoking habits, scores cognition (COG),...

10.1002/emp2.12601 article EN cc-by-nc-nd Journal of the American College of Emergency Physicians Open 2021-12-01

Background Renal colic is characterized by severe pain that highly disabling. Gabapentin, an antiepileptic medication, often recommended as a first-line therapy for neuropathic pain. However, its effectiveness in managing somatic pain, which defined the result of activity receptors deep tissues, such renal not well-established. Method A phase 3 randomized clinical trial was conducted to evaluate adjuvant analgesic effects gabapentin on acute Eligible patients participated study via random...

10.3389/fpain.2024.1427711 article EN cc-by Frontiers in Pain Research 2024-10-14
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