Youri Yordanov

ORCID: 0000-0003-0671-6547
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About
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Research Areas
  • Emergency and Acute Care Studies
  • COVID-19 Clinical Research Studies
  • Trauma and Emergency Care Studies
  • Cardiac Arrest and Resuscitation
  • Sepsis Diagnosis and Treatment
  • Long-Term Effects of COVID-19
  • SARS-CoV-2 and COVID-19 Research
  • Emergency Medicine Education and Research
  • Frailty in Older Adults
  • Esophageal and GI Pathology
  • Disaster Response and Management
  • COVID-19 and Mental Health
  • Health Systems, Economic Evaluations, Quality of Life
  • Meta-analysis and systematic reviews
  • Gastrointestinal Bleeding Diagnosis and Treatment
  • Nursing Roles and Practices
  • Gastrointestinal disorders and treatments
  • Chronic Disease Management Strategies
  • Respiratory Support and Mechanisms
  • Hospital Admissions and Outcomes
  • Healthcare Policy and Management
  • COVID-19 diagnosis using AI
  • Patient Safety and Medication Errors
  • COVID-19 and healthcare impacts
  • Geriatric Care and Nursing Homes

Assistance Publique – Hôpitaux de Paris
2016-2025

Inserm
2016-2025

Hôpital Saint-Antoine
2016-2025

Sorbonne Université
2016-2025

Institut Pierre Louis d‘Épidémiologie et de Santé Publique
2019-2025

Université Paris Cité
2010-2021

Centre de Recherche Épidémiologie et Statistique
2015-2021

Sorbonne Paris Cité
2015-2021

Hôtel-Dieu de Paris
2011-2021

Bicêtre Hospital
2020-2021

<h3>Importance</h3> The high mortality rate in critically ill elderly patients has led to questioning of the beneficial effect intensive care unit (ICU) admission and a variable ICU use among this population. <h3>Objective</h3> To determine whether recommendation for systematic reduces 6-month compared with usual practice. <h3>Design, Setting, Participants</h3> Multicenter, cluster-randomized clinical trial 3037 aged 75 years or older, free cancer, preserved functional status (Index...

10.1001/jama.2017.13889 article EN JAMA 2017-10-03

At the end of 2021, B.1.1.529 SARS-CoV-2 variant (Omicron) wave superseded B.1.617.2 (Delta) wave.To compare baseline characteristics and in-hospital outcomes patients with infection Delta versus Omicron in emergency department (ED).Retrospective chart reviews.13 adult EDs academic hospitals Paris area from 29 November 2021 to 10 January 2022.Patients a positive reverse transcriptase polymerase chain reaction (RT-PCR) test result for identification.Main outcome measures were clinical...

10.7326/m22-0308 article EN Annals of Internal Medicine 2022-03-14
Mélanie Roussel Dorian Teissandier Youri Yordanov Frédéric Balen Marc Noizet and 95 more Karim Tazarourte Ben Bloom P. Catoire Laurence Bérard Marine Cachanado Tabassome Simon Sai͏̈d Laribi Yonathan Freund Mathieu Abou-Badra Sarah Addou Émilie Allione Anne-Sophie Bard Sébastien Beaune F. Bernas Romain Blondet Anne Bouchara Alice Boulanger Arthur Bourg C. Broche L. A. Machado Cesar Anthony Chauvin Alban Chauvineau Richard Chocron Tahar Chouihed Yann Erick Claessens Pierre Géraud Claret Julie Contenti Carole Cornaglia Valérie Debierre Marion Douplat J. Duchenne Odile Dumont Romain Durif J Fabre Anne Laure Feral Quentin Foubert Hadrien Friedel Anne Marie Gangneron Maxime Gautier Émilie Gelin Camille Gerlier Cédric Gil jardine Anaïs Girard Séverine Gosselin Sylvie Grgek M. Guerin Baroan Bertin Guina Mélanie Halaoui Lionel Imsaad Laure Jainsky Didier Jammes Mehdi Khellaf Melek Sunde Kilic Gilles Kleiner J. Wayne Lazar Pierrick Le Borgne Adrien Le Brozec Anne Le Coat Catherine Le Gall Sophie Lefebvre Delphine Levy Marie Emmanuelle Limoges Théophile Lormier Richard Macrez Anne Mahier Bastien Malossane Nicolas Marjanovic S. Massacrier Emmanuel Montassier Benoit Morel Céline Moretto Nesrine Nabli Eloi Nenert Céline Occelli Laurent Ortega Xavier Pereira Nicolas Persico Helene Pizzut-Mardegan Annie Porte Ludivine Quay Diana Rafidiniaina A. Ricard-Hibon Julie Rosenblatt Dominique Savary H. R. Schmidt Bertrand Sorin Ombeline Susong Nicolas Termoz Masson E. Thibaud Ayoub Touihar Jennifer Truchot Prabakar Vaittinada Ayar Camille Vennetier Frédéric Verbois Thibault Viard

Patients in the emergency department (ED) who are waiting for hospital admission on a wheeled cot may be subject to harm. However, mortality and morbidity among older patients spend night ED while bed medical ward unknown.

10.1001/jamainternmed.2023.5961 article EN JAMA Internal Medicine 2023-11-06

<b>Objective</b> To assess the waste of research related to inadequate methods in trials included Cochrane reviews and examine what extent this could be avoided. A secondary objective was perform a simulation study re-estimate avoidable if all were adequately reported. <b>Design</b> Methodological review study. <b>Data sources</b> Trials meta-analysis primary outcome published between April 2012 March 2013. extraction synthesis</b> We collected risk bias assessment made by authors for each...

10.1136/bmj.h809 article EN cc-by-nc BMJ 2015-03-24

To develop and validate patient-reported instruments, based on patients' lived experiences, for monitoring the symptoms impact of long coronavirus disease (covid).The covid Symptom Impact Tools (ST IT) were constructed from answers to a survey with open-ended questions 492 patients COVID. Validation tools involved adult suspected or confirmed 2019 (COVID-19) extending over 3 weeks after onset. Construct validity was assessed by examining relations ST IT scores health-related quality life...

10.1093/cid/ciab352 article EN other-oa Clinical Infectious Diseases 2021-04-22

<h3>Importance</h3> Clinical guidelines for the early management of acute heart failure in emergency department (ED) setting are based on only moderate levels evidence, with subsequent low adherence to these guidelines. <h3>Objective</h3> To test effect an guideline-recommended care bundle short-term prognosis older patients ED. <h3>Design, Setting, and Participants</h3> Stepped-wedge cluster randomized trial 15 EDs France 503 75 years a diagnosis ED from December 2018 September 2019...

10.1001/jama.2020.19378 article EN JAMA 2020-11-17

Background Inappropriate visits to emergency departments (EDs) could represent from 20% 40% of all visits. use is a burden on healthcare costs and increases the risk ED overcrowding. The aim this study was explore socioeconomic geographical determinants inappropriate in France. Method French Emergency Survey nationwide cross-sectional survey conducted June 11 2013, simultaneously EDs France covered characteristics patients, counties. included 48 711 patient questionnaires 734 questionnaires....

10.1136/bmjqs-2019-009396 article EN cc-by-nc BMJ Quality & Safety 2019-10-30

Background: Recently, validated clinical decision rules have been developed that avoid unnecessary use of computed tomographic pulmonary angiography (CTPA) in patients with suspected embolism (PE) the emergency department (ED). Objective: To measure any resulting change CTPA for PE. Design: Retrospective analysis. Setting: 26 European EDs 6 countries. Patients: Patients performed PE ED during first 7 days each odd month between January 2015 and December 2019. Measurements: The primary end...

10.7326/m22-3116 article EN Annals of Internal Medicine 2023-05-22

We present how Extreme Value Theory (EVT) can be used in public health to predict future extreme events.We applied EVT weekly rates of Pneumonia and Influenza (P&I) deaths over 1979-2011. further explored the daily number emergency department visits a network 37 hospitals 2004-2014. Maxima grouped consecutive observations were fitted generalized value distribution. The distribution was estimate probability values specified time periods.An annual P&I death rate 12 per 100,000 (the highest...

10.1371/journal.pone.0159312 article EN cc-by PLoS ONE 2016-07-15

Inadequate planning, selective reporting, and incomplete reporting of outcomes in randomized controlled trials (RCTs) contribute to the problem waste research. We aimed describe such a examine what extent this could be avoided. This research-on-research study was based on RCTs included Cochrane reviews with summary findings (SoF) table. considered reported SoF tables as surrogates for important patients other decision makers. used three-step approach. (1) First, each review, we identified,...

10.1186/s12916-018-1083-x article EN cc-by BMC Medicine 2018-06-07

Emergency departments (ED) are environments that at high risk for medical errors. Previous studies suggested the proportion of errors may decrease when more than 1 physician is involved.To reduce by implementing systematic cross-checking between emergency physicians.This cluster randomized crossover trial includes a random sample 14 adult patients (age ≥18 years) per day during two 10-day period in 6 EDs (n = 1680 patients) France.Systematic physicians, 3 times day, which included brief...

10.1001/jamainternmed.2018.0607 article EN JAMA Internal Medicine 2018-04-23

In a matter of months, COVID-19 has escalated from cluster cases in Wuhan, China, to global pandemic. As the number patients with grew, solutions for home monitoring infected became critical. This viewpoint presents telesurveillance solution—Covidom—deployed greater Paris area monitor their homes. The system was rapidly developed and is being used on large scale more than 65,000 registered date. Covidom solution combines an easy-to-use free web application (through which fill out short...

10.2196/20748 article EN cc-by Journal of Medical Internet Research 2020-08-16

ObjectivesStudies on coronavirus disease 2019 (COVID-19) have mainly focused hospitalized patients or those with severe disease. We aim to assess the clinical characteristics, outcomes and factors associated hospital admission death in adult outpatients COVID-19.MethodsThis is a prospective cohort of suspected confirmed COVID-19, registered Covidom telesurveillance solution for home monitoring COVID-19 Greater Paris area, from March August 2020. The primary outcome was worsening, defined as...

10.1016/j.cmi.2021.04.010 article EN cc-by-nc-nd Clinical Microbiology and Infection 2021-04-27

Upper gastrointestinal bleeding (UGB) is common in emergency departments (EDs) and can be caused by many eso-gastro-duodenal lesions. Most available epidemiological data on the management of UGB comes from specialized (intensive care units or gastroenterology departments), but little known ED perspective. We aimed to determine distribution symptoms revealing EDs hemorrhagic lesions identified endoscopy. also describe characteristics patients consulting for UGB, outcomes. This was a...

10.1186/s13049-017-0425-6 article EN cc-by Scandinavian Journal of Trauma Resuscitation and Emergency Medicine 2017-08-14
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