Do you know that women often experience greater difficulties than men after a stroke? Read on to find out a possible reason why.
A stroke occurs when the blood supply to part of the brain is blocked, leading to brain damage. Following an injury, the brain tries to repair the damaged nerve fibers by re-establishing their insulating layer, called myelin.
So, myelin essentially is an insulating layer around the nerve fibers in the brain and spinal cord that ensures fast and efficient signal transmission between nerve cells.
Unfortunately, in stroke the repair process often succeeds only partially, meaning many patients experience lasting damage to their physical and mental functions.
A new study by researchers at the Department of Molecular Medicine at SDU sheds light on one of the most severe consequences of stroke: damage to the brain's "cables" -- the so-called nerve fibers -- which leads to permanent impairments.
According to Professor Kate Lykke Lambertsen, one of the study's lead authors, the brain has the resources to repair itself. She notes that "we need to find ways to help the cells complete their work, even under difficult conditions."
She has created a study, based on unique tissue samples from Denmark's Brain Bank located at SDU, which may pave the way for new treatments that help the brain repair itself.
The researchers have thus focused on how inflammatory conditions hinder the rebuilding. The study has identified a particular type of cell in the brain that plays a key role in this process. These cells work to rebuild myelin, but as above, inflammatory conditions often block their efforts.
So, an interesting discovery in the study is that women's and men's brains react differently to injuries.
In women, it seems that inflammatory conditions can prevent cells from repairing damage, while men have a slightly better ability to initiate the repair process. This difference may explain why women often experience greater difficulties after a stroke.
The differences underscore the importance of future treatments being more targeted and taking into account the patient's gender and individual needs.
Stefano Raffaele et al (2024). Characterisation of GPR17‐expressing oligodendrocyte precursors in human ischaemic lesions and correlation with reactive glial responses. The Journal of Pathology, 2024; 265 (2): 226 DOI: 10.1002/path.6381
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The stroke rehabilitation literature suggests that the first three to six months are typically when most spontaneous functional motor recovery will occur. This first recovery mechanism is essentially a resolution of harmful local factors, which generally account for early spontaneous improvement after stroke. These processes include resolution of local edema, resorption of local toxins, improvement of local circulation, and recovery of partially damaged ischemic neurons.
After this time, please don’t let ANYONE tell you ‘that’s it’, because you then have the potential to restore significant function at whatever point from injury you happen to be, whether it is a month or 10 years. You can take advantage of the second major recovery mechanism: neuroplasticity, which can take place early or late. This is the ability of the nervous system to modify its structural and functional organisation. The two most plausible forms of plasticity are collateral sprouting of new synaptic connections and the unmasking of neural pathways and synapses that are not normally used, but that can be called upon when the dominant system fails.
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If you need some help with your recovery we have trainers throughout the country who can help. Call us on 0203 053 0111 or email support@arni.uk.com to find out if there's one near you.
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Sensory impairments occur after injuries to the parietal lobe. They can cause a variety of problems, including numbness, tingling, and hypersensitivity.
But thanks to neuroplasticity, you can still retrain your brain to process your senses correctly again!
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In terms of physical activity, I encourage you to incorporate a variety of exercises in to your lifestyle. Particularly things like getting out of your home and walking as well as you can (accompanied as appropriate), swimming (swimming classes for stroke survivors are often available and run by some ARNI INSTRUCTORS) and are a great way to socialise while achieving something.
Physical activity, rehab activity and cardio activity – each one followed by kettle and mug activity!
All is possible!
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ARNI offers an initial telephone consultation to find you the best solution to your individual requirements.
For stroke survivors & families: to discuss the possibilities of receiving rehabilitation and exercise after stroke training from one of the ARNI-trained instructors around the UK.
Therapists & professional exercise instructors: wishing to register on the ARNI Functional Rehabilitation and Exercise Training After Stroke Qualification Course.
Call 0203 053 0111or Email: support@arni.uk.com
Phone lines: 9.00am to 5.00pm. Monday-Friday
IMPORTANT: OUR LINE GETS VERY BUSY, SO IF YOU DON’T GET THROUGH FIRST TIME, PLEASE LEAVE A VERY QUICK MESSAGE ON THE ANSWERPHONE AND SOMEONE WILL RING YOU BACK.
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ARNI has a Zoom-based speech and language service with specialist SLT colleagues; which is already proving to be extremely successful! Go to ARNI WEBSITE if you need help. . Aphasia occurs in as many as 40% of stroke survivors, making it the most common communication disorder caused by stroke, but many people conquer aphasia completely.
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Stroke recovery may well last years. BUT, Every day is a chance to IMPROVE. Even if you feel that you have plateaued, most likely you still can push through and do better. And tell yourself tomorrow is another chance to recover some more. Never give up!
If you need ideas, and someone to help you, call 0203 053 0111 or email support@arni.uk.com. We have trainers throughout the country who can help you.
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