Full Text Journal Articles by
Author Verena Rass

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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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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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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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The Effect of Temperature Increases on Brain Tissue Oxygen Tension in Patients with Traumatic Brain Injury: A Collaborative European NeuroTrauma Effectiveness Research in Traumatic Brain Injury Substudy.

Verena Rass, Lukas Huber, Bogdan-Andrei Ianosi, Mario Kofler, Anna Lindner, Edoardo Picetti, Fabrizio Ortolano, Ronny Beer, Sandra Rossi, Peter Smielewski, Nino Stocchetti, Raimund Helbok, ,

Fever may aggravate secondary brain injury after traumatic brain injury (TBI). The aim of this study was to identify episodes of temperature increases through visual plot analysis and algorithm supported detection, and to describe associated patterns of changes in on brain tissue oxygen tension (P<sub>bt</sub>O<sub>2</sub>). Data derive from the high-resolution ... Read more >>

Ther Hypothermia Temp Manag (Therapeutic hypothermia and temperature management)
[2020, :]

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Acute Distress Respiratory Syndrome After Subarachnoid Hemorrhage: Incidence and Impact on the Outcome in a Large Multicenter, Retrospective Cohort.

Aurélien Mazeraud, Chiara Robba, Paola Rebora, Carolina Iaquaniello, Alessia Vargiolu, Verena Rass, Elisa Gouvea Bogossian, Raimund Helbok, Fabio Silvio Taccone, Giuseppe Citerio,

<h4>Background</h4>Respiratory complications are frequently reported after aneurismal subarachnoid hemorrhage (aSAH), even if their association with outcome remains controversial. Acute respiratory distress syndrome (ARDS) is one of the most severe pulmonary complications after aSAH, with a reported incidence ranging from 11 to 50%. This study aims to assess in a large ... Read more >>

Neurocrit Care (Neurocritical care)
[2020, :]

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Neurological Outcome and Quality of Life Three 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, Judith Loeffler-Ragg, Christoph Scherfler, Laura Zamarian, Rosa Bellman-Weiler, Günter Weiss, Atbin Djamshidian, Stefan Kiechl, Bettina Pfausler, Klaus Seppi, Raimund Helbok,

BACKGROUND: Increasing evidence suggests the involvement of the central and peripheral nervous system in patients with coronavirus disease 2019 (COVID-19). Little is known about neurological outcomes and quality of life (QoL) after recovery from acute infection.<br><br>METHODS: In this prospective, multicentre, observational cohort study we systematically evaluated neurological signs and diseases ... Read more >>

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Early alterations in heart rate are associated with poor outcome in patients with intracerebral hemorrhage.

Verena Rass, Anna Lindner, Bogdan-Andrei Ianosi, Alois Josef Schiefecker, Sebastian Loveys, Mario Kofler, Sofia Rass, Bettina Pfausler, Ronny Beer, Erich Schmutzhard, Raimund Helbok,

<h4>Purpose</h4>Cardiac complications are common after spontaneous intracerebral hemorrhage (ICH). In this study we intended to investigate factors associated with higher alterations in heart rate and their impact on outcome.<h4>Methods</h4>Eighty-eight ICH patients were included. A simplified approach to calculate heart rate variability (HR<sub>SD</sub>) in analogy to systolic blood pressure variability (SBP<sub>SD</sub>) ... Read more >>

J Crit Care (Journal of critical care)
[2021, 61:199-206]

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The Importance of PbtO2 Probe Location for Data Interpretation in Patients with Intracerebral Hemorrhage.

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

<h4>Background/objective</h4>Monitoring of brain tissue oxygen tension (P<sub>bt</sub>O<sub>2</sub>) provides insight into brain pathophysiology after intracerebral hemorrhage (ICH). Integration of probe location is recommended to optimize data interpretation. So far, little is known about the importance of P<sub>bt</sub>O<sub>2</sub> catheter location in ICH patients.<h4>Methods</h4>We prospectively included 40 ICH patients after hematoma evacuation (HE) ... Read more >>

Neurocrit Care (Neurocritical care)
[2020, :]

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Risk Factors for Dysphagia and the Impact on Outcome After Spontaneous Subarachnoid Hemorrhage.

Tobias Keser, Mario Kofler, Mariella Katzmayr, Alois J Schiefecker, Verena Rass, Bogdan A Ianosi, Anna Lindner, Maxime Gaasch, Ronny Beer, Paul Rhomberg, Erich Schmutzhard, Bettina Pfausler, Raimund Helbok,

<h4>Background</h4>Despite the tremendous impact of swallowing disorders on outcome following ischemic stroke, little is known about the incidence of dysphagia after subarachnoid hemorrhage (SAH) and its contribution to hospital complications, length of intensive care unit stay, and functional outcome.<h4>Methods</h4>This is a retrospective analysis of an ongoing prospective cohort study. Swallowing ... Read more >>

Neurocrit Care (Neurocritical care)
[2020, 33(1):132-139]

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Hemodynamic response during endotracheal suctioning predicts awakening and functional outcome in subarachnoid hemorrhage patients.

Verena Rass, Bogdan-Andrei Ianosi, Anna Lindner, Mario Kofler, Alois J Schiefecker, Bettina Pfausler, Ronny Beer, Erich Schmutzhard, Raimund Helbok,

<h4>Background</h4>Endotracheal suctioning (ES) provokes a cumulative hemodynamic response by activation of sympathetic and parasympathetic circuits in the central nervous system. In this proof-of-concept study, we aimed to analyze hemodynamic changes during ES in ventilated subarachnoid hemorrhage (SAH) patients and investigated whether the associated hemodynamic changes relate to the time to ... Read more >>

Crit Care (Critical care (London, England))
[2020, 24(1):432]

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Brain temperature regulation in poor-grade subarachnoid hemorrhage patients - A multimodal neuromonitoring study.

Alberto Addis, Maxime Gaasch, Alois J Schiefecker, Mario Kofler, Bogdan Ianosi, Verena Rass, Anna Lindner, Gregor Broessner, Ronny Beer, Bettina Pfausler, Claudius Thomé, Erich Schmutzhard, Raimund Helbok,

Elevated body temperature (T<sub>core</sub>) is associated with poor outcome after subarachnoid hemorrhage (SAH). Brain temperature (T<sub>brain</sub>) is usually higher than T<sub>core</sub>. However, the implication of this difference (T<sub>delta</sub>) remains unclear. We aimed to study factors associated with higher T<sub>delta</sub> and its association with outcome. We included 46 SAH patients undergoing ... Read more >>

J Cereb Blood Flow Metab (Journal of cerebral blood flow and metabolism : official journal of the International Society of Cerebral Blood Flow and Metabolism)
[2021, 41(2):359-368]

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The Importance of Probe Location for the Interpretation of Cerebral Microdialysis Data in Subarachnoid Hemorrhage Patients.

Mario Kofler, Maxime Gaasch, Verena Rass, Alois J Schiefecker, Bogdan Ianosi, Anna Lindner, Ronny Beer, John F Stover, Paul Rhomberg, Bettina Pfausler, Claudius Thomé, Erich Schmutzhard, Raimund Helbok,

<h4>Background</h4>There is no uniform definition for cerebral microdialysis (CMD) probe location with respect to focal brain lesions, and the impact of CMD-probe location on measured molecule concentrations is unclear.<h4>Methods</h4>We retrospectively analyzed data of 51 consecutive subarachnoid hemorrhage patients with CMD-monitoring between 2010 and 2016 included in a prospective observational cohort ... Read more >>

Neurocrit Care (Neurocritical care)
[2020, 32(1):135-144]

Cited: 3 times

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Serum tau as a predictor for neurological outcome after cardiopulmonary resuscitation.

Julia Hasslacher, Verena Rass, Ronny Beer, Hanno Ulmer, Christian Humpel, Alois Schiefecker, Georg Lehner, Romuald Bellmann, Michael Joannidis, Raimund Helbok,

AIM:We evaluated serum tau protein as biomarker for poor neurological outcome over an extended observation period in patients after successful cardiopulmonary resuscitation (CPR) treated with mild therapeutic hypothermia (MTH) or normothermia (NT). METHODS:This is a retrospective analysis of a prospective observational study including 132 patients after successful CPR. Serum tau ... Read more >>

Resuscitation (Resuscitation)
[2020, 148:207-214]

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Subarachnoid Hemorrhage is Followed by Pituitary Gland Volume Loss: A Volumetric MRI Observational Study.

Verena Rass, Elisabeth Schoenherr, Bogdan-Andrei Ianosi, Anna Lindner, Mario Kofler, Alois J Schiefecker, Lukas Lenhart, Max Gaasch, Marie-Theres Pertl, Christian F Freyschlag, Bettina Pfausler, Margarete Delazer, Ronny Beer, Claudius Thomé, Astrid Ellen Grams, Christoph Scherfler, Raimund Helbok,

<h4>Background</h4>Subarachnoid hemorrhage (SAH) is a devastating disease associated with high mortality and morbidity. Besides neurological sequelae, neuropsychological deficits largely contribute to patients' long-term quality of life. Little is known about the pituitary gland volume (PGV) after SAH compared to healthy referents and the association of PGV with long-term outcome including ... Read more >>

Neurocrit Care (Neurocritical care)
[2020, 32(2):492-501]

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Oxygenation derangements after subarachnoid hemorrhage: incidence and impact on the outcome. Data from a large multicenter, retrospective study.

Aurelien Mazeraud, Chiara Robba, Carolina Iaquaniello, Paola Rebora, Alessia Vargiolu, Verena Rass, Elisa Bogossian, Reimund Helbok, Fabio Taccone, Giuseppe Citerio,

<h4>Background: </h4> Hypoxemia and hyperoxemia are frequent after acute subarachnoid hemorrhage (aSAH) and are associated with an increase in morbidity and mortality. Among the pulmonary complications causing oxygen derangements, acute respiratory distress syndrome (ARDS) seems to be crucial, with a reported incidence ranging from 11 to 50%. <h4>Methods: </h4> We ... Read more >>

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The authors reply.

Verena Rass, Max Gaasch, Raimund Helbok,

Crit Care Med (Critical care medicine)
[2019, 47(11):e939-e940]

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Early Predictors for Infectious Complications in Patients With Spontaneous Intracerebral Hemorrhage and Their Impact on Outcome.

Anna Lindner, Mario Kofler, Verena Rass, Bogdan Ianosi, Max Gaasch, Alois J Schiefecker, Ronny Beer, Sebastian Loveys, Paul Rhomberg, Bettina Pfausler, Claudius Thomé, Erich Schmutzhard, Raimund Helbok,

<b>Background:</b> Infectious complications (IC) commonly occur in patients with intracerebral hemorrhage (ICH) and are associated with increased length of hospitalization (LOS) and poor long-term outcome. Little is known about early ICH-related predictors for the development of IC to allow appropriate allocation of resources and timely initiation of preventive measures. <b>Methods:</b> ... Read more >>

Front Neurol (Frontiers in neurology)
[2019, 10:817]

Cited: 3 times

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The authors reply.

Verena Rass, Max Gaasch, Bogdan-Andrei Ianosi, Raimund Helbok,

Crit Care Med (Critical care medicine)
[2019, 47(10):e849-e850]

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Protocolized Brain Oxygen Optimization in Subarachnoid Hemorrhage.

Verena Rass, Daria Solari, Bogdan Ianosi, Max Gaasch, Mario Kofler, Alois J Schiefecker, John-Paul Miroz, Paola Morelli, Claudius Thomé, Ronny Beer, Bettina Pfausler, Mauro Oddo, Raimund Helbok,

<h4>Background</h4>Brain tissue hypoxia (P<sub>bt</sub>O<sub>2</sub> < 20 mmHg) is common after subarachnoid hemorrhage (SAH) and associated with poor outcome. Recent data suggest that brain oxygen optimization is feasible and reduces the time spent with P<sub>bt</sub>O<sub>2</sub> < 20 mmHg from 45 to 16% in patients with severe traumatic brain injury. Here, we intended to quantify the brain tissue ... Read more >>

Neurocrit Care (Neurocritical care)
[2019, 31(2):263-272]

Cited: 2 times

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Early Brain Injury After Poor-Grade Subarachnoid Hemorrhage.

Verena Rass, Raimund Helbok,

<h4>Purpose of review</h4>Over the last years, the focus of clinical and animal research in subarachnoid hemorrhage (SAH) shifted towards the early phase after the bleeding based on the association of the early injury pattern (first 72 h) with secondary complications and poor outcome. This phase is commonly referenced as early brain ... Read more >>

Curr Neurol Neurosci Rep (Current neurology and neuroscience reports)
[2019, 19(10):78]

Cited: 7 times

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Delayed Resolution of Cerebral Edema Is Associated With Poor Outcome After Nontraumatic Subarachnoid Hemorrhage.

Verena Rass, Bogdan-Andrei Ianosi, Andreas Wegmann, Max Gaasch, Alois J Schiefecker, Mario Kofler, Anna Lindner, Alberto Addis, Salma S Almashad, Paul Rhomberg, Bettina Pfausler, Ronny Beer, Elke R Gizewski, Claudius Thomé, Raimund Helbok,

Background and Purpose- Global cerebral edema occurs in up to 57% of patients with subarachnoid hemorrhage (SAH) and is associated with prolonged hospital stay and poor outcome. Recently, admission brain edema was successfully graded using a simplified computed tomography-based semiquantitative score (subarachnoid hemorrhage early brain edema score [SEBES]). Longitudinal evaluation ... Read more >>

Stroke (Stroke)
[2019, 50(4):828-836]

Cited: 4 times

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