Publications by authors named "Mattias Vollmer"

Background: Cardiac arrest is associated with high mortality rates and severe neurological impairments. One of the underlying mechanisms is global ischemia-reperfusion injury of the body, particularly the brain. Strategies to mitigate this may thus improve favorable neurological outcomes.

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Objectives: Extracorporeal cardiopulmonary resuscitation (ECPR) is increasingly used due to its beneficial outcomes and results compared to conventional CPR. Cardiac arrests can be categorized depending on location: in-hospital cardiac arrest (IHCA) and out-of-hospital cardiac arrest (OHCA). Despite this distinction, studies comparing the two are scarce, especially in comparing outcomes after ECPR.

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SARS-CoV-2 (COVID-19) infections have been recently shown to be associated with a high rate of thromboembolic events due to pro-coagulative mechanisms that have not yet been fully understood. This paper reports on a 55-year-old female COVID-19 patient with severe ARDS and pulmonary embolism (PE) complicated by cardiogenic shock after 12 days of hospitalization under initial prophylactic anticoagulation with low molecular weight heparin (LMWH). An ultima-ratio va (veno-arterial) ECMO implantation and subsequent rapid upgrade to vvaECMO due to insufficient oxygenation was performed.

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Background: Studies examining the contribution of contralesional brain regions to motor recovery after stroke have revealed conflicting results comprising both supporting and disturbing influences. Especially the relevance of contralesional brain regions beyond primary motor cortex (M1) has rarely been studied, particularly concerning the temporal dynamics post-stroke.

Methods: We, therefore, used online transcranial magnetic stimulation (TMS) interference to longitudinally assess the role of contralesional (right) frontoparietal areas for recovery of hand motor function after left hemispheric stroke: contralesional M1, contralesional dorsal premotor cortex (dPMC), and contralesional anterior intraparietal sulcus (IPS).

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