Full Text Journal Articles by
Author Raimund Helbok

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Invasive neuromonitoring and neurological intensive care unit management in life-threatening central nervous system infections.

Verena Rass, Mario Kofler, Ronny Beer, Raimund Helbok,

<h4>Purpose of review</h4>Patients with infectious diseases of the central nervous system (CNS) commonly require treatment in the intensive care unit (ICU). In a subset of patients with a life-threatening course, a more aggressive and invasive management is required. Treatment relies on the expertise of the intensivists as most recommendations are ... Read more >>

Curr Opin Neurol (Current opinion in neurology)
[2021, 34(3):447-455]

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Toxin-associated infectious diseases: tetanus, botulism and diphtheria.

Bettina Pfausler, Verena Rass, Raimund Helbok, Ronny Beer,

<h4>Purpose of review</h4>The incidence rates of the toxin-related infectious diseases, tetanus, diphtheria and botulism declined dramatically over the past decades mainly because of the implementation of immunization programs also in low-and-middle-income countries (LAMICs) and by improving hygiene conditions. But still, single cases occur, and they need fastest possible recognition and ... Read more >>

Curr Opin Neurol (Current opinion in neurology)
[2021, 34(3):432-438]

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Cardiopulmonary recovery after COVID-19: an observational prospective multicentre trial.

Thomas Sonnweber, Sabina Sahanic, Alex Pizzini, Anna Luger, Christoph Schwabl, Bettina Sonnweber, Katharina Kurz, Sabine Koppelstätter, David Haschka, Verena Petzer, Anna Boehm, Magdalena Aichner, Piotr Tymoszuk, Daniela Lener, Markus Theurl, Almut Lorsbach-Köhler, Amra Tancevski, Anna Schapfl, Marc Schaber, Richard Hilbe, Manfred Nairz, Bernhard Puchner, Doris Hüttenberger, Christoph Tschurtschenthaler, Malte Aßhoff, Andreas Peer, Frank Hartig, Romuald Bellmann, Michael Joannidis, Can Gollmann-Tepeköylü, Johannes Holfeld, Gudrun Feuchtner, Alexander Egger, Gregor Hoermann, Andrea Schroll, Gernot Fritsche, Sophie Wildner, Rosa Bellmann-Weiler, Rudolf Kirchmair, Raimund Helbok, Helmut Prosch, Dietmar Rieder, Zlatko Trajanoski, Florian Kronenberg, Ewald Wöll, Günter Weiss, Gerlig Widmann, Judith Löffler-Ragg, Ivan Tancevski,

<h4>Background</h4>After the 2002/2003 severe acute respiratory syndrome outbreak, 30% of survivors exhibited persisting structural pulmonary abnormalities. The long-term pulmonary sequelae of coronavirus disease 2019 (COVID-19) are yet unknown, and comprehensive clinical follow-up data are lacking.<h4>Methods</h4>In this prospective, multicentre, observational study, we systematically evaluated the cardiopulmonary damage in subjects recovering from ... Read more >>

Eur Respir J (The European respiratory journal)
[2021, 57(4):]

Cited: 6 times

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Approaches to understanding COVID-19 and its neurological associations.

Ettore Beghi, Benedict D Michael, Tom Solomon, Erica Westenberg, Andrea S Winkler, ,

There is an accumulating volume of research into neurological manifestations of COVID-19. However, inconsistent study designs, inadequate controls, poorly-validated tests, and differing settings, interventions, and cultural norms weaken study quality, comparability, and thus the understanding of the spectrum, burden and pathophysiology of these complications. Therefore, a global COVID-19 Neuro Research ... Read more >>

Ann Neurol (Annals of neurology)
[2021, :]

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Elevation of head and thorax after return of spontaneous circulation - A few caveats to consider.

Gabriel Putzer, Julian Wagner, Raimund Helbok, Judith Martini,

Resuscitation (Resuscitation)
[2021, :]

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Safety profile of enhanced thromboprophylaxis strategies for critically ill COVID-19 patients during the first wave of the pandemic: observational report from 28 European intensive care units.

Andrea Lavinio, Ari Ercole, Denise Battaglini, Sandra Magnoni, Rafael Badenes, Fabio Silvio Taccone, Raimund Helbok, William Thomas, Paolo Pelosi, Chiara Robba, ,

<h4>Introduction</h4>Critical illness from SARS-CoV-2 infection (COVID-19) is associated with a high burden of pulmonary embolism (PE) and thromboembolic events despite standard thromboprophylaxis. Available guidance is discordant, ranging from standard care to the use of therapeutic anticoagulation for enhanced thromboprophylaxis (ET). Local ET protocols have been empirically determined and are generally ... Read more >>

Crit Care (Critical care (London, England))
[2021, 25(1):155]

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Association of Dose of Intracranial Hypertension with Outcome in Subarachnoid Hemorrhage.

Giorgia Carra, Francesca Elli, Bogdan Ianosi, Marine Flechet, Lukas Huber, Verena Rass, Bart Depreitere, Fabian Güiza, Geert Meyfroidt, Giuseppe Citerio, Raimund Helbok,

<h4>Background</h4>In patients with aneurysmal subarachnoid hemorrhage (aSAH) the burden of intracranial pressure (ICP) and its contribution to outcomes remains unclear. In this multicenter study, the independent association between intensity and duration, or "dose," of episodes of intracranial hypertension and 12-month neurological outcomes was investigated.<h4>Methods</h4>This was a retrospective analysis of multicenter ... Read more >>

Neurocrit Care (Neurocritical care)
[2021, :]

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Individualized blood pressure targets in the postoperative care of patients with intracerebral hemorrhage.

Anna Lindner, Verena Rass, Bogdan-Andrei Ianosi, Alois Josef Schiefecker, Mario Kofler, Max Gaasch, Alberto Addis, Paul Rhomberg, Bettina Pfausler, Ronny Beer, Erich Schmutzhard, Claudius Thomé, Raimund Helbok,

<h4>Objective</h4>Recent guidelines recommend targeting a systolic blood pressure (SBP) < 140 mm Hg in the early management of patients with spontaneous intracerebral hemorrhage (ICH). The optimal SBP targets for ICH patients after hematoma evacuation (HE) remain unclear. Here, the authors aimed to define the optimal SBP range based on multimodal ... Read more >>

J Neurosurg (Journal of neurosurgery)
[2021, :1-10]

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How to diagnose delayed cerebral ischaemia and symptomatic vasospasm and prevent cerebral infarction in patients with subarachnoid haemorrhage.

Verena Rass, Raimund Helbok,

<h4>Purpose of review</h4>Delayed cerebral ischaemia (DCI) complicates the clinical course of patients with subarachnoid haemorrhage (SAH) in 20--30% and substantially worsens outcome. In this review, we describe a multimodal diagnostic approach based on underlying mechanisms of DCI and provide treatment options with a special focus on the most recently published ... Read more >>

Curr Opin Crit Care (Current opinion in critical care)
[2021, 27(2):103-114]

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Neurological outcome and quality of life 3 months after COVID-19: A prospective observational cohort study.

Verena Rass, Ronny Beer, Alois Josef Schiefecker, Mario Kofler, Anna Lindner, Philipp Mahlknecht, Beatrice Heim, Victoria Limmert, Sabina Sahanic, Alex Pizzini, Thomas Sonnweber, Ivan Tancevski, Christoph Scherfler, Laura Zamarian, Rosa Bellmann-Weiler, Günter Weiss, Atbin Djamshidian, Stefan Kiechl, Klaus Seppi, Judith Loeffler-Ragg, Bettina Pfausler, Raimund Helbok,

<h4>Background and purpose</h4>To assess neurological manifestations and health-related quality of life (QoL) 3 months after COVID-19.<h4>Methods</h4>In this prospective, multicenter, observational cohort study we systematically evaluated neurological signs and diseases by detailed neurological examination and a predefined test battery assessing smelling disorders (16-item Sniffin Sticks test), cognitive deficits (Montreal Cognitive Assessment), QoL ... Read more >>

Eur J Neurol (European journal of neurology)
[2021, :]

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Frailty is associated with long-term outcome in patients with sepsis who are over 80 years old: results from an observational study in 241 European ICUs.

Lenneke E M Haas, Ariane Boumendil, Hans Flaatten, Bertrand Guidet, Mercedes Ibarz, Christian Jung, Rui Moreno, Alessandro Morandi, Finn H Andersen, Tilemachos Zafeiridis, Sten Walther, Sandra Oeyen, Susannah Leaver, Ximena Watson, Carole Boulanger, Wojciech Szczeklik, Joerg C Schefold, Maurizio Cecconi, Brian Marsh, Michael Joannidis, Yuriy Nalapko, Muhammed Elhadi, Jesper Fjølner, Antonio Artigas, Dylan W de Lange, ,

<h4>Background</h4>Sepsis is one of the most frequent reasons for acute intensive care unit (ICU) admission of very old patients and mortality rates are high. However, the impact of pre-existing physical and cognitive function on long-term outcome of ICU patients ≥ 80 years old (very old intensive care patients (VIPs)) with sepsis is unclear.<h4>Objective</h4>To ... Read more >>

Age Ageing (Age and ageing)
[2021, :]

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Impact of Fever Prevention in Brain-Injured Patients (INTREPID): Study Protocol for a Randomized Controlled Trial.

David M Greer, Jaime Ritter, Raimund Helbok, Neeraj Badjatia, Sang-Bae Ko, Mary Guanci, Kevin N Sheth,

<h4>Background</h4>Multiple studies demonstrate that fever/elevated temperature is associated with poor outcomes in patients with vascular brain injury; however, there are no conclusive studies that demonstrate that fever prevention/controlled normothermia is associated with better outcomes. The primary objective of the INTREPID (Impact of Fever Prevention in Brain-Injured Patients) trial is to ... Read more >>

Neurocrit Care (Neurocritical care)
[2021, :]

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Persistent postconcussive symptoms in children and adolescents with mild traumatic brain injury receiving initial head computed tomography.

Lennart Riemann, Daphne C Voormolen, Katrin Rauen, Klaus Zweckberger, Andreas Unterberg, Alexander Younsi, ,

<h4>Objective</h4>The aim of this paper was to evaluate the prevalence of postconcussive symptoms and their relation to health-related quality of life (HRQOL) in pediatric and adolescent patients with mild traumatic brain injury (mTBI) who received head CT imaging during initial assessment.<h4>Methods</h4>Patients aged between 5 and 21 years with mTBI (Glasgow ... Read more >>

J Neurosurg Pediatr (Journal of neurosurgery. Pediatrics)
[2021, :1-10]

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Hyperactive delirium in patients after non-traumatic subarachnoid hemorrhage.

Fabian Reimann, Thomas Rinner, Anna Lindner, Mario Kofler, Bogdan-Andrei Ianosi, Alois Josef Schiefecker, Ronny Beer, Erich Schmutzhard, Bettina Pfausler, Raimund Helbok, Verena Rass,

<h4>Purpose</h4>Hyperactive delirium is common after subarachnoid hemorrhage (SAH). We aimed to identify risk factors for delirium and to evaluate its impact on outcome.<h4>Methods</h4>We collected daily Richmond Agitation Sedation Scale (RASS) and Intensive Care Delirium Screening Checklist (ICDSC) scores in 276 SAH patients. Hyperactive delirium was defined as ICDSC ≥4 when ... Read more >>

J Crit Care (Journal of critical care)
[2021, 64:45-52]

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"Reply to: Cerebral venous blood is not drained via the internal jugular vein in the pig".

Gabriel Putzer, Bernhard Glodny, Daniel Pinggera, Raimund Helbok, Judith Martini,

Resuscitation (Resuscitation)
[2021, 162:439-440]

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Missing Data in Prediction Research: A Five-Step Approach for Multiple Imputation, Illustrated in the CENTER-TBI Study.

Benjamin Yaël Gravesteijn, Charlie Aletta Sewalt, Esmee Venema, Daan Nieboer, Ewout W Steyerberg, ,

In medical research, missing data is common. In acute diseases, such as traumatic brain injury (TBI), even well-conducted prospective studies may suffer from missing data in baseline characteristics and outcomes. Statistical models may simply drop patients with any missing values, potentially leaving a selected subset of the original cohort. Imputation ... Read more >>

J Neurotrauma (Journal of neurotrauma)
[2021, :]

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Global Prevalence of Neurological Manifestations Among Patients Hospitalized with COVID-19: A Report of the Global Consortium Study of Neurologic Dysfunction in COVID-19 (GCS-NeuroCOVID) and the European Academy of Neurology [ENERGY] Registry Collaborative

Sherry Hsiang-Yi Chou, Ettore Beghi, Raimund Helbok, Elena Moro, Joshua Sampson, Valeria Altamirano, Shraddha Mainali, Claudio Bassetti, Jose Suarez, Molly McNett, , ,

Background: The novel coronavirus disease 2019 (COVID-19) pandemic continues to affect millions globally, with increasing reports of COVID-19 neurological manifestations but limited data on their population prevalence and outcome. This is the first report from two international consortia studies aimed to determine the neurological phenotypes, prevalence, and outcomes among hospitalized ... Read more >>

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Correction to: Frequency of fatigue and its changes in the first 6 months after traumatic brain injury: results from the CENTER-TBI study.

Nada Andelic, Cecilie Røe, Cathrine Brunborg, Marina Zeldovich, Marianne Løvstad, Daniel Løke, Ida M Borgen, Daphne C Voormolen, Emilie I Howe, Marit V Forslund, Hilde M Dahl, Nicole von Steinbuechel, ,

J Neurol (Journal of neurology)
[2021, 268(1):74-76]

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A plea for equitable global access to COVID-19 diagnostics, vaccination and therapy: The NeuroCOVID-19 Task Force of the European Academy of Neurology.

Johann Sellner, Thomas M Jenkins, Tim J von Oertzen, Claudio L Bassetti, Ettore Beghi, Daniel Bereczki, Benedetta Bodini, Francesco Cavallieri, Giovanni Di Liberto, Raimund Helbok, Antonella Macerollo, Luis F Maia, Celia Oreja-Guevara, Serefnur Özturk, Martin Rakusa, Antonio Pisani, Alberto Priori, Anna Sauerbier, Riccardo Soffietti, Pille Taba, Marialuisa Zedde, Michael Crean, Anja Burlica, Alex Twardzik, Elena Moro, ,

Coronavirus disease 2019 (COVID-19), a multi-organ disease caused by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), continues to challenge health and care systems around the globe. The pandemic has disrupted acute neurology services and routine patient care and has impacted the clinical course in patients with chronic neurological disease. COVID-19 ... Read more >>

Eur J Neurol (European journal of neurology)
[2021, :]

Cited: 1 time

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Impact of duration and magnitude of raised intracranial pressure on outcome after severe traumatic brain injury: A CENTER-TBI high-resolution group study.

Cecilia Ai Åkerlund, Joseph Donnelly, Frederick A Zeiler, Raimund Helbok, Anders Holst, Manuel Cabeleira, Fabian Güiza, Geert Meyfroidt, Marek Czosnyka, Peter Smielewski, Nino Stocchetti, Ari Ercole, David W Nelson, ,

Magnitude of intracranial pressure (ICP) elevations and their duration have been associated with worse outcomes in patients with traumatic brain injuries (TBI), however published thresholds for injury vary and uncertainty about these levels has received relatively little attention. In this study, we have analyzed high-resolution ICP monitoring data in 227 ... Read more >>

PLoS One (PloS one)
[2020, 15(12):e0243427]

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Outcome Prediction after Moderate and Severe Traumatic Brain Injury: External Validation of Two Established Prognostic Models in 1742 European Patients.

Simone A Dijkland, Isabel R A Retel Helmrich, Daan Nieboer, Mathieu van der Jagt, Diederik W J Dippel, David K Menon, Nino Stocchetti, Andrew I R Maas, Hester F Lingsma, Ewout W Steyerberg, ,

The International Mission on Prognosis and Analysis of Clinical Trials in Traumatic Brain Injury (IMPACT) and Corticoid Randomisation After Significant Head injury (CRASH) prognostic models predict functional outcome after moderate and severe traumatic brain injury (TBI). We aimed to assess their performance in a contemporary cohort of patients across Europe. ... Read more >>

J Neurotrauma (Journal of neurotrauma)
[2020, :]

Cited: 1 time

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Primary prevention of COVID-19: Advocacy for vaccination from a neurological perspective.

Johann Sellner, Thomas M Jenkins, Tim J von Oertzen, Claudio L Bassetti, Ettore Beghi, Daniel Bereczki, Benedetta Bodini, Francesco Cavallieri, Giovanni Di Liberto, Raimund Helbok, Antonella Macerollo, Luis F Maia, Celia Oreja-Guevara, Serefnur Özturk, Martin Rakusa, Anna Sauerbier, Riccardo Soffietti, Pille Taba, Pille Taba, Antonio Pisani, Alberto Priori, Marialuisa Zedde, Michael Crean, Anja Burlica, Alex Twardzik, Elena Moro, ,

Eur J Neurol (European journal of neurology)
[2021, :]

Cited: 2 times

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Acute Kidney Injury in Traumatic Brain Injury Patients: Results From the Collaborative European NeuroTrauma Effectiveness Research in Traumatic Brain Injury Study.

Chiara Robba, Erika Banzato, Paola Rebora, Carolina Iaquaniello, Chao-Yuan Huang, Eveline J A Wiegers, Geert Meyfroidt, Giuseppe Citerio, ,

<h4>Objectives</h4>Acute kidney injury is frequent in polytrauma patients, and it is associated with increased mortality and extended hospital length of stay. However, the specific prevalence of acute kidney injury after traumatic brain injury is less recognized. The present study aims to describe the occurrence rate, risk factors, timing, and association ... Read more >>

Crit Care Med (Critical care medicine)
[2021, 49(1):112-126]

Cited: 1 time

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Systemic Markers of Injury and Injury Response Are Not Associated with Impaired Cerebrovascular Reactivity in Adult Traumatic Brain Injury: A Collaborative European Neurotrauma Effectiveness Research in Traumatic Brain Injury (CENTER-TBI) Study.

Frederick A Zeiler, François Mathieu, Miguel Monteiro, Ben Glocker, Ari Ercole, Manuel Cabeleira, Nino Stocchetti, Peter Smielewski, Marek Czosnyka, Virginia Newcombe, David K Menon, ,

The role of extra-cranial injury burden and systemic injury response on cerebrovascular response in traumatic brain injury (TBI) is poorly documented. This study preliminarily assesses the association between admission features of extra-cranial injury burden on cerebrovascular reactivity. Using the Collaborative European Neurotrauma Effectiveness Research in TBI High-Resolution ICU (HR ICU) ... Read more >>

J Neurotrauma (Journal of neurotrauma)
[2021, 38(7):870-878]

Cited: 1 time

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Myasthenic crisis following SARS-CoV-2 infection and delayed virus clearance in a patient treated with rituximab: clinical course and 6-month follow-up.

Julia V Wanschitz, Manuela Kaml, Bettina Pfausler, Raimund Helbok, Sophie Wildner, Gerlig Widmann, Sabina Sahanic, Florian Deisenhammer, Wolfgang N Löscher, Markus Reindl, Judith Löffler-Ragg, Ronny Beer,

J Neurol (Journal of neurology)
[2020, :]

Cited: 0 times

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