Publications by authors named "Brehm A"

Background: There are limited therapeutic options in cases of failed reperfusion (modified thrombolysis in cerebral infarction [mTICI] score < 2b) after stent-retriever and/or aspiration based endovascular treatment (EVT) for acute ischemic stroke. Despite the absence of data supporting its use, rescue therapy (balloon angioplasty and/or stent implantation) is often utilized in such cases. Studies are limited to large vessel occlusions, while the outcomes and complications after rescue therapy in medium/distal vessel occlusions (MDVOs) have not been reported.

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  • * Using data from the National Ecological Observatory Network, the study focused on white-footed mice and found that individual factors such as sex, body mass, and reproductive status affected tick parasitism, with varying effects depending on the tick life stage.
  • * The research revealed that mouse movement behavior correlated with tick carrying rates, indicating that variations in host mobility could influence host-parasite encounters and potentially modify zoonotic disease risk due to changes in the environment and human activities.
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Importance: Acute respiratory failure (ARF) associated with antipsychotic use has been documented through case reports and population-based studies.

Objective: To assess whether the recent use of antipsychotics is associated with an increased risk of ARF in U.S.

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Background: The effect of endovascular therapy (EVT) on the outcome of stroke patients with a medium distal vessel occlusion (MDVO) is unclear. We report the results of MDVO patients treated with the 3 mm Trevo stent retriever (SR) and/or the AXS Catalyst 5 distal access catheter.

Methods: Data was derived from a prospective, multicenter global registry (ASSIST registry) which enrolled patients treated with operator preferred EVT technique at 71 sites from January 2019 to January 2022.

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  • * Data from 459 patients with vessel perforation showed a 90-day mortality rate of 51.9%, with only 16.3% achieving a favorable recovery (mRS 0-2).
  • * The findings indicate that large vessel perforation leads to worse outcomes, while thrombolysis doesn’t worsen prognoses; quick management of bleeding is crucial for survival.
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Located 50 miles west of Fort Collins, Colorado, Colorado State University's Mountain Campus in Pingree Park hosted the 23rd annual Rocky Mountain Virology Association meeting in 2023 with 116 participants. The 3-day event at the end of September consisted of 28 talks and 43 posters that covered the topics of viral evolution and surveillance, developments in prion research, arboviruses and vector biology, host-virus interactions, and viral immunity and vaccines. This year's Randall Jay Cohrs keynote presentation covered the topic of One Health and emerging coronaviruses.

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  • - The study compared flat-panel detector computed tomography perfusion (FDCTP) with conventional multidetector computed tomography perfusion (MDCTP) in analyzing patients with acute ischemic stroke, specifically those who underwent mechanical thrombectomy.
  • - Results indicated strong correlations between FDCTP and MDCTP for manually segmented hypoperfused tissue volumes, yet showed lower correlations for direct quantitative comparisons, implying FDCTP may underestimate some values compared to MDCTP.
  • - Overall, while FDCTP and MDCTP offered comparable qualitative results in measuring perfusion maps, the direct quantitative assessment had limitations, suggesting the need for improved normalization techniques for accurate evaluations.
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Objective: Uncertainty remains regarding antithrombotic treatment in cervical artery dissection. This analysis aimed to explore whether certain patient profiles influence the effects of different types of antithrombotic treatment.

Methods: This was a post hoc exploratory analysis based on the per-protocol dataset from TREAT-CAD (NCT02046460), a randomized controlled trial comparing aspirin to anticoagulation in patients with cervical artery dissection.

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Determining the optimal transportation for each stroke patient is critically important to achieve the best possible outcomes. In border regions the next comprehensive stroke center may be just across an international border, but bureaucratic and financial hurdles may prevent a simple transfer to the next stroke center. We hypothesized that in regions close to international borders, patients may benefit from an "open border, closed transfer scenario", meaning that patients in whom a large vessel occlusion (LVO) is detected in the primary stroke center will benefit from a transfer to the nearest stroke center offering endovascular thrombectomy-even if this may be across a national border.

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  • Automated perfusion imaging can identify stroke patients eligible for thrombolysis, but it's not widely available; a new method using CT hypoperfusion-hypodensity mismatch offers a potential alternative.
  • In a study involving 247 patients, 88.7% were deemed eligible for thrombolysis, with the hypoperfusion-hypodensity mismatch detecting 96.4% of eligible patients within the 4.5-hour time frame compared to only 44.7% by the automated method.
  • This new CT method demonstrated higher sensitivity for identifying eligible patients but lower specificity, suggesting that it could help more patients receive treatment.
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Despite numerous studies examining the fitness consequences of animal personalities, predictions concerning the relationship between personality and survival are not consistent with empirical observations. Theory predicts that individuals who are risky (i.e.

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Endovascular therapy (EVT) is the standard treatment for ischemic stroke caused by a large vessel occlusion (LVO). The effectiveness of EVT for distal medium vessel occlusions (MDVOs) is still uncertain, but newer, smaller devices show potential for EVT in MDVOs. The new Solitaire X 3 mm device offers a treatment option for MDVOs.

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Long-term ecological datasets contain vast behavioral data, enabling the quantification of among-individual behavioral variation at unprecedented spatiotemporal scales. We detail how behaviors can be extracted and describe how such data can be used to test new hypotheses, inform population and community ecology, and address pressing conservation needs.

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The Nucleosome Remodeling and Deacetylating Complex (NuRD) is ubiquitously expressed in all metazoans. It combines nucleosome remodeling and histone deacetylating activities to generate inaccessible chromatin structures and to repress gene transcription. NuRD is involved in the generation and maintenance of a wide variety of lineage-specific gene expression programs during differentiation and in differentiated cells.

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  • Vessel perforation during thrombectomy is more common in medium vessel occlusion (MeVO) cases compared to large vessel occlusion (LVO), with a rate of 2.4% in MeVO vs. 1.0% in LVO.
  • Among patients who experienced perforation, those in the MeVO group had better functional outcomes at 3 months, achieving independence 25.7% of the time compared to 10.9% in the LVO group.
  • Common procedural causes of perforation included navigating beyond the occlusion and retracting the stent retriever or aspiration catheter, highlighting the need for further research to improve safety in thrombectomy procedures.
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The prevalence of infection with canine heartworm (CHW), Dirofilaria immitis, continues to increase across the United States, regardless of the availability of effective and affordable prophylactic products. Current reports of CHW prevalence as estimated by the Companion Animal Parasite Council (CAPC) are thought to under-represent the true magnitude of the issue because pet dogs that do not receive regular veterinary care are often excluded. This study estimated the prevalence of CHW in pet dogs and associated prophylaxis use in pet dogs in the Cumberland Gap Region with a combined doorstep diagnostic testing approach and caretaker survey.

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Purpose: Hemorrhagic stroke, particularly occurring from ruptured cerebrovascular malformations, is responsible for 5-12% of all maternal deaths during pregnancy and the puerperium. Whether endovascular treatment is feasible and safe for both the mother and the fetus, is still a matter of debate. The main objective of this case series and systematic review was to share our multi-institutional experience and to assess the feasibility and safety of endovascular treatment during pregnancy, as well as the corresponding maternal and fetal outcomes based on currently available evidence.

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Galbut virus (family ) infects and can be transmitted vertically from infected mothers or infected fathers with near perfect efficiency. This form of super-Mendelian inheritance should drive infection to 100% prevalence, and indeed, galbut virus is ubiquitous in wild populations. However, on average, only about 60% of individual flies are infected.

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Following the cause established twenty-two years ago, the 22nd Annual Rocky Mountain Virology Association meeting was held amidst the resplendent Rocky Mountains within the Arapahoe and Roosevelt National Forests. 116 intellectuals including both regional and international scientists as well as trainees gathered at the Colorado State University Mountain Campus for this three-day forum. Current trends in virology and prion disease research were discussed both in talks and poster presentations.

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The Publisher regrets that this article is an accidental duplication of an article that has already been published, 10.1016/j.repc.

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Introduction: Coronary artery disease (CAD), characterized by an atherogenic process in the coronary arteries, is one of the leading causes of death in Madeira. The GENEMACOR (GENEs in MAdeira and CORonary Disease) study sought to investigate the main risk factors - environmental and genetic - and estimate whether a genetic risk score (GRS) improves CAD prediction, discrimination and reclassification.

Methods: Traditional risk factors and 33 CAD genetic variants were considered in a case-control study with 3139 individuals (1723 patients and 1416 controls).

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