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Total 372 results found since Jan 2013.

Stroke Dysbiosis Index (SDI) in Gut Microbiome Are Associated With Brain Injury and Prognosis of Stroke
Conclusions: We developed an index to measure gut microbiota dysbiosis in stroke patients; this index was significantly correlated with patients' outcome and was causally related to outcome in a mouse model of stroke. Our model facilitates the potential clinical application of gut microbiota data in stroke and adds quantitative evidence linking the gut microbiota to stroke. Introduction Ischemic stroke imposes a heavy burden on society, with 24.9 million cases worldwide (1). Although intravenous thrombolysis and endovascular treatment greatly improve some patients' prognosis, the prognosis for most pa...
Source: Frontiers in Neurology - April 23, 2019 Category: Neurology Source Type: research

World-Wide Efficacy of Bone Marrow Derived Mesenchymal Stromal Cells in Preclinical Ischemic Stroke Models: Systematic Review and Meta-Analysis
Conclusions: Our results show worldwide efficacy of BM-MSCs in improving functional outcomes in pre-clinical animal models of stroke and support testing these cells in clinical trials in various ranges of time windows using different delivery routes. The continued growing number of publications showing functional benefit of BM-MSCs are now adding limited value to an oversaturated literature spanning 18 years. Researchers should focus on identifying definitive mechanisms on how BM-MSCs lead to benefit in stroke models. Introduction Ischemic stroke is the 5th leading cause of death and the leading cause of long term di...
Source: Frontiers in Neurology - April 23, 2019 Category: Neurology Source Type: research

Reported link between diet drinks and dementia and stroke is weak
Conclusion The researchers used data from a large ongoing cohort study to look for links between consumption of sugary and artificially sweetened drinks and risk of stroke or dementia. This cohort study benefits from the large overall sample size, long period of data collection, careful and valid diagnostic assessments, and adjustments for a number of confounders. However, care must be taken when interpreting these results – particularly if latching on to the maximal tripled risk figures reported in the media. There are several points to consider: Small numbers The new number of strokes and dementia in this study was sma...
Source: NHS News Feed - April 21, 2017 Category: Consumer Health News Tags: Food/diet Heart/lungs Neurology Source Type: news

National Trends, Risk Factors, and Outcomes of Acute In-hospital Stroke After Lung Transplantation in the United States: Analysis of the United Network for Organ Sharing Registry
Chest. 2023 Apr 11:S0012-3692(23)00503-2. doi: 10.1016/j.chest.2023.04.007. Online ahead of print.ABSTRACTBACKGROUND: Lung transplantation is the definitive treatment for end-stage lung failure. However, there have been no large, long-term studies on the impact of acute in-hospital stroke in this population.RESEARCH QUESTION: What are the trends, risk factors, and outcomes of acute stroke in patients undergoing lung transplantation in the United States?STUDY DESIGN AND METHODS: We identified adult first-time, isolated lung transplant (LTx) recipients from the United Network for Organ Sharing (UNOS) database, which comprehe...
Source: Chest - April 13, 2023 Category: Respiratory Medicine Authors: Benjamin L Shou Christopher Wilcox Isabella Florissi Aravind Krishnan Bo Soo Kim Steven P Keller Glenn J R Whitman Ken Uchino Errol L Bush Sung-Min Cho Source Type: research

Medtronic touts stroke data for HeartWare LVAD
A retrospective analysis of two studies involved the HeartWare left-ventricular assist device Medtronic (NYSE:MDT) acquired in 2016 showed that managing blood pressure reduced the severity of strokes in patients implanted with the HVAD pump. The analysis, of “destination therapy” patients who are not candidates for a heart transplant, took data from the Endurance and Endurance Supplemental studies. Results were presented this week at the annual meeting of the International Society for Heart & Lung Transplantation in London, Medtronic said. The 465-patient Endurance Supplemental study compared 308 patients i...
Source: Mass Device - April 5, 2019 Category: Medical Devices Authors: Brad Perriello Tags: Cardiac Assist Devices Clinical Trials Featured Abbott HeartWare International Inc. Medtronic stjudemedical Thoratec Corp. Source Type: news

ISHLT 2017: Medtronic HVAD trial misses primary endpoint, reports lowered stroke rates
Medtronic (NYSE:MDT) said today that results from the Endurance supplemental trial of its HVAD heart pump system did not meet its primary endpoint, but did report  lowered stroke rates compared to standard treatment. The trial aimed to evaluate the use of the HVAD system, which it picked up along with HeartWare last year, as a destination therapy for patients who require a left ventricular assist device and received improved blood pressure management, the Fridley, Minn.-based company said. Data from the study was presented at the 2017 International Society for Heart and Lung Transplantation Scientific Meeting in San Dieg...
Source: Mass Device - April 5, 2017 Category: Medical Equipment Authors: Fink Densford Tags: Cardiac Assist Devices Cardiovascular Clinical Trials HeartWare International Inc. Medtronic Source Type: news

The Effect of Race on Stroke Incidence and Post-Stroke Mortality - The Stroke Paradox in LVAD Patients
Stroke is considered one of the major hurdles in applying Left Ventricular Assist Device (LVAD) technology to a broader population, and remains a leading cause of mortality and morbidity despite advances in both technology and management. In the general population, incidence of stroke in African Americans (AA) has been reported to be twice that of their Caucasian counterparts, and the mortality following stroke higher in AA. We sought to assess the effect of race on both rate of stroke, as well as post stroke survival in the LVAD population.
Source: The Journal of Heart and Lung Transplantation - March 31, 2020 Category: Transplant Surgery Authors: S.D. Rao, V. Troung, E. Chung, W.S. Mazur, D. Goldstien, U.P. Jorde, J. Teuteberg, S.R. Messe, C.S. Hayward, G.F. Egnaczyk, M.A. Acker, S.S. Sreenivas, J.E. Rame Tags: (212) Source Type: research

Biodistribution of bone marrow mononuclear cells after intra-arterial or intravenous transplantation in subacute stroke patients.
CONCLUSION: BMMNC labeling with technetium-99m allowed imaging for up to 24 h after intra-arterial or intravenous injection in stroke patients. PMID: 23477395 [PubMed - in process]
Source: Regenerative Medicine - March 1, 2013 Category: Genetics & Stem Cells Authors: Rosado-de-Castro PH, Schmidt Fda R, Battistella V, Lopes de Souza SA, Gutfilen B, Goldenberg RC, Kasai-Brunswick TH, Vairo L, Silva RM, Wajnberg E, Alvarenga Americano do Brasil PE, Gasparetto EL, Maiolino A, Alves-Leon SV, Andre C, Mendez-Otero R, Rodrig Tags: Regen Med Source Type: research

Blood pressure and stroke risk in left ventricular assist devices
Ischemic and hemorrhagic stroke are one of the most devastating outcomes arising from treatment of end-stage congestive heart failure with a left ventricular assist device (LVAD)1. Stroke after LVAD is associated with increased risk of mortality and is a leading cause of not qualifying for transplantation. The risk of stroke is one of many factors limiting more widespread adoption of this technology for end-stage heart failure. The risk factors for stroke in LVAD have been the subject of several studies, with recent infection2 and changes in anti-thrombotics being commonly found3.
Source: The Journal of Heart and Lung Transplantation - December 5, 2014 Category: Transplant Surgery Authors: Joshua Z. Willey Source Type: research

The ABC's of Stroke Prevention: Reduction in Stroke Frequency Following a Quality Improvement Intervention by the Action Learning Network
To assess the frequency of stroke among ventricular assist device patients following a quality improvement bundled intervention (the “ABCs of Stroke Prevention” [ABCs] which focused on Anticoagulation, Blood pressure, and Communication) within the Advanced Cardiac Therapies Improving Outcomes Network (ACTION). The bundle intervention comprised 3 interventions. These were: a document harmonizing how to implement and maintain b ivalirudin infusion, a blood pressure management protocol and a daily stroke prevention checklist.
Source: The Journal of Heart and Lung Transplantation - March 20, 2021 Category: Transplant Surgery Authors: J. Murray, D. Rosenthal, F. Zafar, A. Lorts, C. Connelly, P. Krack, C. Vanderpluym, B. Hawkins, R. Niebler, M. Mehegan, R. Gajarski, D. Sutcliffe, C. Villa Tags: (168) Source Type: research

Elevated Blood Pressure Before Left Ventricular Assist Device Support Implant is Associated with an Increased Risk of Stroke
Despite the recent advances in Left Ventricular Assist Device (LVAD) therapy, stroke remains a frequent and catastrophic complication. Hypertension (HTN) after LVAD implant has been associated with an increased risk of stroke, but the association between HTN before LVAD implant and stroke has never been studied. We hypothesized that LVAD patients with elevated blood pressure (BP) during outpatient visits before the LVAD implant may have an increased risk of stroke.
Source: The Journal of Heart and Lung Transplantation - March 20, 2021 Category: Transplant Surgery Authors: F. Castagna, S. Patel, S. Vukelic, S. Madan, O. Saeed, D. Sims, D. Goldstin, U.P. Jorde Tags: (978) Source Type: research

Systolic Blood Pressure on Discharge after Left Ventricular Assist Device Insertion is Associated with Subsequent Stroke
Stroke is a significant complication in patients supported with continuous-flow left ventricular assist devices (CF-LVAD) and hypertension (HTN) is a significant risk factor for stroke, but the association between blood pressure and stroke in LVAD patients is not well characterized.
Source: The Journal of Heart and Lung Transplantation - October 22, 2014 Category: Transplant Surgery Authors: Michael E. Nassif, Anjan Tibrewala, David S. Raymer, Adam Andruska, Eric Novak, Justin M. Vader, Akinobu Itoh, Scott C. Silvestry, Gregory A. Ewald, Shane J. LaRue Source Type: research

Stroke Subtype Impacts Outcomes and Transplant Eligibility in CF-LVADS
We present a large single center experience on stroke outcome and transplant eligibility by stroke subtype in CF-LVAD pts.
Source: The Journal of Heart and Lung Transplantation - April 1, 2015 Category: Transplant Surgery Authors: J.Z. Willey, M. Gavalas, A. Levin, A. Breskin, V.K. Topkara, M. Yuzefpolskaya, K. Orlanes, M.R. Torres, M. Tiburcio, K. Ross, R.A. Garan, K. Wong, U.P. Jorde, D.M. Mancini, K. Takeda, H. Takayama, Y. Naka, P.C. Colombo Source Type: research

Outcomes After Stroke Complicating Left Ventricular Assist Device
We present a large single center experience on stroke outcome and transplant eligibility by stroke subtype and severity in CF-LVAD patients.
Source: The Journal of Heart and Lung Transplantation - March 29, 2016 Category: Transplant Surgery Authors: Joshua Z. Willey, Michael V. Gavalas, Pauline N. Trinh, Melana Yuzefpolskaya, A. Reshad Garan, Allison P. Levin, Koji Takeda, Hiroo Takayama, Justin Fried, Yoshifumi Naka, Veli K. Topkara, Paolo C. Colombo Source Type: research