OOIR: Observatory of International Research

Papers

(The H4-Index of Critical Care is 60. The table below lists those papers that are above that threshold based on CrossRef citation counts [max. 250 papers]. The publications cover those that have been published in the past four years, i.e., from 2021-06-01 to 2025-06-01.)

Article	Citations
Does inspiration of exhaled CO2 explain improved oxygenation with a face mask plus high-flow nasal cannula oxygen in severe COVID-19 infection?	443
What every intensivist needs to know about mpox	354
Care pathways of sepsis survivors: sequelae, mortality and use of healthcare services in France, 2015–2018	346
Termination-of-resuscitation rule in the emergency department for patients with refractory out-of-hospital cardiac arrest: a nationwide, population-based observational study	277
Hidden Harlequin syndrome in neonatal and pediatric VA-ECMO	213
Hypothermia versus normothermia in patients with cardiac arrest and shockable rhythm: a secondary analysis of the TTM-2 study	196
The impact of extracorporeal membrane oxygenation on the exposure to isavuconazole: a plea for thorough pharmacokinetic evaluation	175
Bronchus-blocked ultrasound-guided percutaneous transthoracic needle biopsy (BUS-PTNB) for intubated patients with severe lung diseases	171
The knowns and unknowns of perfusion disturbances in COVID-19 pneumonia	159
AVDS should not dethrone ARDS	141
Proportional assist ventilation versus pressure support ventilation for weaning from mechanical ventilation in adults: weaning success and mortality	131
Overestimation of driving pressure by the analysis of the conductive pressure during venous-arterial ECMO: Airway Closure or Intrinsic PEEP?	128
Volatile anaesthetics for ICU sedation: beyond hypnosis?	120
One-year patient outcomes based on lung morphology in acute respiratory distress syndrome: secondary analysis of LIVE trial	108
Sodium azide (NaN3) intoxication, “the man who lived”: potential effective antidote and treatment strategy	108
Machine learning models compared with current clinical indices to predict the outcome of high flow nasal cannula therapy in acute hypoxemic respiratory failure	105
What criteria for neuropronostication: consciousness or ability? The neuro-intensivist’s dilemma	101
Family concerns in organ donor conversations: a qualitative embedded multiple-case study	97
A randomized controlled trial of catheters with different tips and lengths for patients requiring continuous renal replacement therapy in intensive care unit	96
Pyroptosis in sepsis-associated acute kidney injury: mechanisms and therapeutic perspectives	96
Real-time monitoring of air pathogens in the ICU with biosensors and robots	94
Identification of a sub-group of critically ill patients with high risk of intensive care unit-acquired infections and poor clinical course using a transcriptomic score	92
Detrimental effects of PCSK9 loss-of-function in the pediatric host response to sepsis are mediated through independent influence on Angiopoietin-1	92
Novel protocol combining physical and nutrition therapies, Intensive Goal-directed REhabilitation with Electrical muscle stimulation and Nutrition (IGREEN) care bundle	87
Advanced respiratory mechanics assessment in mechanically ventilated obese and non-obese patients with or without acute respiratory distress syndrome	83

Prevalence of long-term decision regret and associated risk factors in a large cohort of ICU surrogate decision makers	83
The protective effect of apolipoprotein H in paediatric sepsis	81
The association between the presence and burden of periodic discharges and outcome in septic patients: an observational prospective study	81
Andexanet alfa versus four-factor prothrombin complex concentrate for the reversal of apixaban- or rivaroxaban-associated intracranial hemorrhage: a propensity score-overlap weighted analysis	81
Fluid management for sepsis-induced hypotension in patients with advanced chronic kidney disease: a secondary analysis of the CLOVERS trial	81
Flow Index accurately identifies breaths with low or high inspiratory effort during pressure support ventilation	81
A genome-wide association study of survival in patients with sepsis	80
Severe community-acquired Streptococcus pneumoniae bacterial meningitis: clinical and prognostic picture from the intensive care unit	79
How symptoms of prolonged grief disorder, posttraumatic stress disorder, and depression relate to each other for grieving ICU families during the first two years of bereavement	76
Host Response Biomarkers for Sepsis in the Emergency Room	76
Mega-dose sodium ascorbate: a pilot, single-dose, physiological effect, double-blind, randomized, controlled trial	74
Video versus direct laryngoscopy in critically ill patients: an updated systematic review and meta-analysis of randomized controlled trials	74
COVID-19 bacteremic co-infection is a major risk factor for mortality, ICU admission, and mechanical ventilation	73
Feasibility of bedside portable MRI in neonates and children during ECLS	73
Early intubation and patient-centered outcomes in septic shock: a secondary analysis of a prospective multicenter study	71
Blood trauma in veno-venous extracorporeal membrane oxygenation: low pump pressures and low circuit resistance matter	71
Scoring system: use and not use from the future to present	69
Extracorporeal versus conventional cardiopulmonary resuscitation for refractory out-of-hospital cardiac arrest: a secondary analysis of the Prague OHCA trial	69
Red blood cell transfusion in brain injury: Is it solely a matter of hemoglobin threshold?	69
Network of job demands-resources and depressive symptoms in critical care nurses: a nationwide cross-sectional study	66
Effect of corticosteroids on mortality in patients with community-acquired pneumonia	66
Advanced Life Support Update	66
qSOFA combined with suPAR for early risk detection and guidance of antibiotic treatment in emergency department: a bit sweet and a bit sour randomized controlled trial	66
Response to the Letter by Spurling and Colleagues	65
Comment on the article: “Prediction of the development of acute kidney injury following cardiac surgery by machine learning”	64
A randomized controlled trial to determine whether beta-hydroxy-beta-methylbutyrate and/or eicosapentaenoic acid improves diaphragm and quadriceps strength in critically Ill mechanically ventilated pa	63
Peri-intubation adverse events and clinical outcomes in emergency department patients: the BARCO study	62
Fluid balance and outcome in cardiac arrest patients admitted to intensive care unit	62
Longitudinal ventilatory ratio monitoring for COVID-19: its potential in predicting severity and assessing treatment response	62
Quantitative analysis of apparent diffusion coefficients to predict neurological prognosis in cardiac arrest survivors: an observational derivation and internal–external validation study	61
Is comorbidity alone responsible for changes in health-related quality of life among critical care survivors? A purpose-specific review	61
Breath-holding as a novel approach to risk stratification in COVID-19	61
Can carotid artery Doppler variations induced by the end-expiratory occlusion maneuver predict fluid responsiveness in septic shock patients?	60
Letter to the editor regarding “Structural and functional alteration of the gut microbiomes in ICU staff: a cross-sectional analysis”	60
Composition and diversity analysis of the lung microbiome in patients with suspected ventilator-associated pneumonia	60