1.CAN STROKE PATIENTS RECOVER FULLY?
Around 10% -15% of stroke survivors can recover almost fully and 25% recover with mild impairments .As nature of stroke and patient’s status are different in each case so, extent of recovery is highly variable. .But comprehensive rehabilitation has been proven to maximize the chances of complete recovery. Certain factors influencing stroke recovery have been identified . Age , severity and mechanism of stroke, area and extent of brain damage , functional and mental status , degree of disability at presentation, time between onset of stroke and initiation of rehabilitation and it’s consistency ,presence of coma , seizures , altered memory , judgement ,reasoning, or ‘cognition’ , gross speech deficit, unawareness of one side of body or ‘Hemineglect’ , psychological problems recurrence of stroke ,comorbidities affect recovery.
Younger patients having mild stroke with out much complications or gross physical , cognitive and psychological problems manged by early optimal medical and rehabilitative interventions have fair chance of complete recovery. Though , with multi-disciplinary approach , technology assisted and evidence based therapy patients with considerable disabilities are able to achieve highest level of functional recovery.
2.HOW LONG DOES STROKE RECOVERY TAKE? IS RECOVERY FROM POST STROKE PARALYSIS POSSIBLE?
Time line of stroke recovery is variable. Neuroplasticity , a complex process of brain repair, hightens in first 3 months post stroke. Hence maximum recovery occurs and rehabilitation remains most effective in 3 months.Then recovery slows down and maintains a plateau upto six months. Around 60% of stroke survivors are able to walk by then. After that recovery continues at slower pace for years and beyond. Hence continuation of rehabilitation is crucial in regaining maximum capacity in long-term. Evidence of recovery even 12 to 18 months after stroke are available.
Loss of power and voluntary control partially or fully in muscles of affected side is common after stroke .Initially muscles become flaccid ,then tone returned and starts increasing ,so that extremities take a particular resting position or ‘Synergy’.,then tone reduces and normal functions are restored. But considerable variation occurs in this classic process . Where some patients recover completely ,others are left with mild to marked weakness .
In recent time along with traditional exercise therapy modern techniques like neur-odevelopmental retraining, motor learning, EMG Biofeedback, Constraint induced movement therapy , virtual reality and robotics have optimised the chance of recovery from post stroke paralysis.
3.WHY DO SOME STROKE SURVIVORS EXPERIENCE SEIZURES?
Stroke is a leading cause of seizure and epilepsy.Around 11.5% patients with stroke are at risk of developing late onset seizures in next 5 years.Seizure can occur early , which peaks with in 24 hours .One third cases of early seizure present with post stroke epilepsy.It has less chance of recurrence. Early seizure occurs due to lack of blood and oxygen supply in brain ,it’s toxic and metabolic effects and over excitation of brain tissue. Late onset seizure peaks with in 6 to 12 months after stroke , it has higher recurrence rate .Higher age and intracerebral haemorrhage that means ,large bleeding in brain matter are most important risk factors for developing seizure. Large blood vessels occlusion hampering blood supply in wide area of brain, damage of CORTEX of brain, compromise of blood supply in certain brain artery (Middle cerebral arteries)are associated with post stroke epilepsy. Seizures negatively affects recovery and rehabilitation outcome. So timely interventions with anti epileptic medication is required.1
0 Comments