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The Journal is distributed in print and electronically to thousands of physicians, researchers, academics, nurses, and related healthcare professionals with an interest in CNS disorders. Both subscription and access are free and there are no contributory author fees for publication. Papers submitted for publication are accepted based on their originality, likely impact on and relevance to clinical practice, data quality, and overall potential interest to the journal’s readership.
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The 15 min round table discussion by Christina Sjöstrand, Stockholm, Hans-Christoph Diener, Essen and George Ntaios, Thessaly, focuses on the concepts of randomized clinical trials for secondary stroke prevention in patients with embolic stroke of undetermined source (ESUS). Two large clinical trials tested the hypothesis that non-vitamin K antagonist oral anticoagulants (NOACs) might be superior to aspirin in preventing recurrent strokes after ESUS.
ESUS is a type of ischemic stroke with unknown origin, i.e. for which no probable cause can be identified after standard diagnostic evaluation. Thus, ESUS is a subgroup of cryptogenic stroke, which also includes strokes with incomplete evaluation and those for which more than one probable cause. Non-lacunar strokes in patients without no major-risk cardioembolic source (such as atrial fibrillation), no major atherosclerosis of the arteries supplying the brain infarct area and no other specific cause of their stroke are identified as ESUS.
Current strategy for secondary stroke prevention is based on antiplatelets but stroke recurrent rates remain high. A historical trial, WARSS, pointed at a potential advantage of anticoagulation over antiplatelet in patients with cryptogenic stroke. There is broad evidence for anticoagulation for stroke prevention in atrial fibrillation, thus providing another rationale for testing anticoagulation in ESUS.
Two large trials randomized ESUS patients for long-term treatment with either a NOAC or aspirin: NAVIGATE ESUS was stopped after an interim analysis as efficacy was not different with rivaroxaban compared with aspirin but showed an increased risk of major bleeding. RE-SPECT ESUS is still ongoing as planned; in this trial dabigatran is tested against aspirin. Results will be presented in October 2018. If the trial is positive, i.e. showing greater efficacy of dabigatran in the prevention of stroke recurrence than aspirin, this may not only have great implications of how ESUS patients are treated but could also lead to a simplified post-stroke diagnostic workup for most patients with ischemic stroke.
Please click on the photo below to access the round table video.
Having a stroke is a terrifying experience, and it is only natural to start experiencing some symptoms of anxiety and depression when it is all over. After all, it is something that often brings a person close to death, and it can seem like no one else understands the feelings of fear and despair that often accompany survival. While you often feel thankful that you were able to make it through, there is nothing wrong with the negative feelings that come with it. Here is how your canine companion can help you get through this tough phase after a stroke.
Alleviating Anxiety and Depression
These are natural things to feel after a stroke, but a dog can help you get through them. Petting and hugging them releases oxytocin throughout the body, and this is the hormone responsible for reducing anxiety and stress, blood pressure, and heart rate, so you feel more relaxed and a lot less worried. They also bring comfort as a whole because you know they are always there when you need them.
They give you a sense of purpose and validation, as well as offering unconditional love that cannot be matched by another creature on this planet. There have even been studies to suggest that they are able to help the process of balancing the serotonin levels in your brain, boosting your mood and leaving you feeling in a better mindset.
Reducing Feelings of Loneliness
Often, post-stroke life can leave a person feeling increasingly lonely, and this can happen for a number of reasons. Sometimes, a lot of attention will have been received in the hospital, and family will have made special arrangements to come visit and be there as much as possible.
However, once everything is clear, life goes back to normal, and it can leave a person feeling isolated. A dog is always there to offer love, support, and companionship, and this can bring a great deal of comfort, as well as reduce feelings of loneliness and isolation.
Giving You Someone to Talk to
Possibly the most important thing that a dog can do for you is give you someone to talk to when you need it most. They will not judge or abandon you, regardless of how emotional you are. A shoulder to cry on, there is nothing you cannot tell them – especially as they will never tell anyone else. Linking to the fact that they can help with loneliness, it is important to have someone to speak to in these circumstances, and sometimes another human is not the easiest or best choice for you. A dog can offer just as much, and more.
If you found this interesting and would like to learn more about the ways in which a dog can help with mental health, feel free to check out this detailed resource. Dogs are some of the greatest companions we could ever ask for, and as little as we give them, they always return it tenfold. We understand the struggle that comes after a stroke, and your dog is there to help you through the darkest moments in every way they can.
About the Author
Will Tottle is a freelance writer, his blog can be seen here . If you are interested in more information on the benefits of dog ownership including health tips, buyer’s guides and gear reviews, then check out his guides over at Dogowner.co.uk
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First appeared on ScienceDaily.com
Paralysis of an arm and/or leg is one of the most common effects of a stroke. But thanks to research carried out by scientists at the Defitech Foundation Chair in Brain-Machine Interface, in association with other members of EPFL’s Center for Neuroprothetics, the Clinique Romande de Réadaptation in Sion, and the Geneva University Hospitals, stroke victims may soon be able to recover greater use of their paralyzed limbs. The scientists’ pioneering approach brings together two known types of therapies — a brain-computer interface (BCI) and functional electrical stimulation (FES) — and has been published in Nature Communications.
“The key is to stimulate the nerves of the paralyzed arm precisely when the stroke-affected part of the brain activates to move the limb, even if the patient can’t actually carry out the movement. That helps reestablish the link between the two nerve pathways where the signal comes in and goes out,” says José del R. Millán, who holds the Defitech Chair at EPFL.
Twenty-seven patients aged 36 to 76 took part in the clinical trial. All had a similar lesion that resulted in moderate to severe arm paralysis following a stroke occurring at least ten months earlier. Half of the patients were treated with the scientists’ dual-therapy approach and reported clinically significant improvements. The other half were treated only with FES and served as a control group.
For the first group, the scientists used a BCI system to link the patients’ brains to computers using electrodes. That let the scientists pinpoint exactly where the electrical activity occurred in the brain tissue when the patients tried to reach out their hands. Every time that the electrical activity was identified, the system immediately stimulated the arm muscle controlling the corresponding wrist and finger movements. The patients in the second group also had their arm muscles stimulated, but at random times. This control group enabled the scientists to determine how much of the additional motor-function improvement could be attributed to the BCI system.
The scientists noted a significant improvement in arm mobility among patients in the first group after just ten one-hour sessions. When the full round of treatment was completed, some of the first-group patients’ scores on the Fugl-Meyer Assessment — a test used to evaluate motor recovery among patients with post-stroke hemiplegia — were over twice as high as those of the second group.
“Patients who received the BCI treatment showed more activity in the neural tissue surrounding the affected area. Due to their plasticity, they could help make up for the functioning of the damaged tissue,” says Millán.
Electroencephalographies (EEGs) of the patients clearly showed an increase in the number of connections among the motor cortex regions of their damaged brain hemisphere, which corresponded with the increased ease in carrying out the associated movements. What’s more, the enhanced motor function didn’t seem to diminish with time. Evaluated again 6-12 months later, the patients hadn’t lost any of their recovered mobility.
Story Source: Ecole Polytechnique Fédérale de Lausanne. “A dual-therapy approach to boost motor recovery after a stroke.” ScienceDaily. ScienceDaily, 20 June 2018. <www.sciencedaily.com/releases/2018/06/180620094808.htm>.
First appeared on oruen.com
Every 30 minutes a stroke patient who could have been saved, dies or is permanently disabled, because they were treated in the wrong hospital.
Angels Initiative is building a global community of stroke centers and stroke-ready hospitals, working every day to improve the quality of treatment for every stroke patient.
The goal is to get 1500 stroke-ready hospitals around the world by May 2019.
Please click on the photo bellow to access the series of the Angels ESOC 2018 symposium videos:
For more information about Angels Initiative, please visit www.angels-initiative.com
First appeared on ScienceDaily.com
For every three individuals who have had a stent implanted to keep clogged arteries open and prevent a heart attack, at least one will experience restenosis — the renewed narrowing of the artery due to plaque buildup or scarring — which can lead to additional complications.
Now, a team led by UBC electrical and computer engineering professor Kenichi Takahata has developed a type of “smart stent” that monitors even subtle changes in the flow of blood through the artery, detecting the narrowing in its earliest stages and making early diagnosis and treatment possible.
“We modified a stent to function as a miniature antenna and added a special micro-sensor that we developed to continuously track blood flow. The data can then be sent wirelessly to an external reader, providing constantly updated information on the artery’s condition,” said Takahata.
The device uses medical-grade stainless steel and looks similar to most commercial stents. Researchers say it’s the first angioplasty-ready smart stent — it can be implanted using current medical procedures without modifications.
Research collaborator Dr. York Hsiang, a UBC professor of surgery and a vascular surgeon at Vancouver General Hospital, noted that monitoring for restenosis is critical in managing heart disease.
“X-rays such as CT or diagnostic angiograms, which are the standard tools for diagnosis, can be impractical or inconvenient for the patient,” said Hsiang. “Putting a smart stent in place of a standard one can enable physicians to monitor their patient’s health more easily and offer treatment, if needed, in a timely manner.”
The device prototype was successfully tested in the lab and in a swine model. Takahata, who holds patents for the technology, says his team is planning to establish industry partnerships to further refine the device, put it through clinical trials and eventually commercialize it.
Story Source: University of British Columbia. “‘Smart stent’ detects narrowing of arteries.” ScienceDaily. ScienceDaily, 19 June 2018. <www.sciencedaily.com/releases/2018/06/180619123000.htm>.
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