Rehabilitation after stroke : effects of length of stay and treatments to faciliate motor recovery after stroke
Author: Sonde, Lars
Date: 2001-04-27
Location: Föreläsningssal 1, plan 4, Odontologen, Huddinge Universitetssjukhus
Time: 13.00
Department: Institutionen för klinisk neurovetenskap, arbetsterapi och äldrevårdsforskning (NEUROTEC) / Department of Clinical Neuroscience, Occupational Therapy and Elderly Care Research (NEUROTEC)
Abstract
Stroke is the primary cause of long-term disability. Although the effects
of stroke unit rehabilitation have been well documented, the specific
reasons for this advantage are difficult to single out. The aim of the
present study was to investigate if factors such as length of stay, TENS
stimulation or site of lesion can influence rehabilitation outcome.
To investigate the effect of length of hospital stay, stroke patients admitted before (n=38) and after restructuring of a stroke unit (n=54) were assessed 12 months after stroke. The median length of stay decreased significantly after restructuring but there were no significant differences in motor function, ADL or other characteristics between groups. Patients with a shorter length of stay were less depressed and tended to be more satisfied with family life and social contacts.
Patients who had a paretic arm as a consequence of their first stroke occurring 6-12 months previously were included in a study with low-frequency transcutaneous nerve stimulation (Low- TENS), and randomly assigned to either a treatment group (n=26) or a control group (n=18) All patients received physiotherapy at a day-care center, usually twice a week. The treatment group received, in addition, Low-TENS to stimulate the paretic arm for 60 min, five days a week for three months. In a follow-up study, a subgroup of patients were re-tested 3 years after completion of the treatment.
Arm motor function increased significantly after Low-TENS stimulation, compared to controls. Patients with less severely affected arms showed greatest improvement. The lowTENS treatment did not decrease either pain or spasticity. Barthel-scores in activities of daily living (ADL) did not change over the evaluation intervals. At follow up, the ADL score remained at a similar level in the Low- TENS group, whereas motor function of the paretic arm had deteriorated in both treatment and control groups. Increased spasticity was seen in both groups.
The hypothesis that the topography of brain lesion following stroke predicts improved motor function after Low-TENS treatment was tested. Magnetic resonance imaging (MRI) was performed in 14 patients who had previously received Low-TENS. Absence of lesions in a described part of the periventricular white matter area increased the possibility for improved motor capacity following Low- TENS treatment.
Thirty minutes daily Hi-TENS treatment for three months over a specific acupuncture point was used to reduce spasticity in the paretic leg after stroke. A significant reduction of spasticity was seen after completion of Hi-TENS treatment and could be seen in knee extensor muscles as well as in plantar flexor muscles. This reduction remained 2 weeks after the end of the treatment.
In conclusion, a shorter length of stay does not affect rehabilitation outcome for the group of patients living at home one year after stroke. Motor recovery for certain patient groups can be supported by treatment with either Low- or Hi-TENS. The TENS-unit is easy to handle by the patients themselves or close family members. Determining the site of lesion could be a method to predict the positive effect of such treatment.
To investigate the effect of length of hospital stay, stroke patients admitted before (n=38) and after restructuring of a stroke unit (n=54) were assessed 12 months after stroke. The median length of stay decreased significantly after restructuring but there were no significant differences in motor function, ADL or other characteristics between groups. Patients with a shorter length of stay were less depressed and tended to be more satisfied with family life and social contacts.
Patients who had a paretic arm as a consequence of their first stroke occurring 6-12 months previously were included in a study with low-frequency transcutaneous nerve stimulation (Low- TENS), and randomly assigned to either a treatment group (n=26) or a control group (n=18) All patients received physiotherapy at a day-care center, usually twice a week. The treatment group received, in addition, Low-TENS to stimulate the paretic arm for 60 min, five days a week for three months. In a follow-up study, a subgroup of patients were re-tested 3 years after completion of the treatment.
Arm motor function increased significantly after Low-TENS stimulation, compared to controls. Patients with less severely affected arms showed greatest improvement. The lowTENS treatment did not decrease either pain or spasticity. Barthel-scores in activities of daily living (ADL) did not change over the evaluation intervals. At follow up, the ADL score remained at a similar level in the Low- TENS group, whereas motor function of the paretic arm had deteriorated in both treatment and control groups. Increased spasticity was seen in both groups.
The hypothesis that the topography of brain lesion following stroke predicts improved motor function after Low-TENS treatment was tested. Magnetic resonance imaging (MRI) was performed in 14 patients who had previously received Low-TENS. Absence of lesions in a described part of the periventricular white matter area increased the possibility for improved motor capacity following Low- TENS treatment.
Thirty minutes daily Hi-TENS treatment for three months over a specific acupuncture point was used to reduce spasticity in the paretic leg after stroke. A significant reduction of spasticity was seen after completion of Hi-TENS treatment and could be seen in knee extensor muscles as well as in plantar flexor muscles. This reduction remained 2 weeks after the end of the treatment.
In conclusion, a shorter length of stay does not affect rehabilitation outcome for the group of patients living at home one year after stroke. Motor recovery for certain patient groups can be supported by treatment with either Low- or Hi-TENS. The TENS-unit is easy to handle by the patients themselves or close family members. Determining the site of lesion could be a method to predict the positive effect of such treatment.
List of papers:
I. Sonde L, Viitanen M (2001). "Length of hospital stay, functional independence and life satisfaction after stroke. " Int J Rehabil Res 24(1): 73-8
Pubmed
II. Sonde L, Gip C, Fernaeus SE, Nilsson CG, Viitanen M (1998). "Stimulation with low frequency (1.7 Hz) transcutaneous electric nerve stimulation (low-tens) increases motor function of the post-stroke paretic arm. " Scand J Rehabil Med 30(2): 95-9
Pubmed
III. Sonde L, Kalimo H, Fernaeus SE, Viitanen M (2000). "Low TENS treatment on post-stroke paretic arm: a three-year follow-up. " Clin Rehabil 14(1): 14-9
Pubmed
IV. Sonde L, Bronge L, Kalimo H, Viitanen M (2001). "Can the site of brain lesion predict improved motor function after Low-TENS treatment on the post-stroke paretic arm?" Clin Rehabil (Accepted)
V. Sonde L, Kalimo H, Viitanen M. (2000). "Stimulation with High-frequency TENS-Effects on lower limb spasticity after stroke." Adv Physiother 2: 183-7
I. Sonde L, Viitanen M (2001). "Length of hospital stay, functional independence and life satisfaction after stroke. " Int J Rehabil Res 24(1): 73-8
Pubmed
II. Sonde L, Gip C, Fernaeus SE, Nilsson CG, Viitanen M (1998). "Stimulation with low frequency (1.7 Hz) transcutaneous electric nerve stimulation (low-tens) increases motor function of the post-stroke paretic arm. " Scand J Rehabil Med 30(2): 95-9
Pubmed
III. Sonde L, Kalimo H, Fernaeus SE, Viitanen M (2000). "Low TENS treatment on post-stroke paretic arm: a three-year follow-up. " Clin Rehabil 14(1): 14-9
Pubmed
IV. Sonde L, Bronge L, Kalimo H, Viitanen M (2001). "Can the site of brain lesion predict improved motor function after Low-TENS treatment on the post-stroke paretic arm?" Clin Rehabil (Accepted)
V. Sonde L, Kalimo H, Viitanen M. (2000). "Stimulation with High-frequency TENS-Effects on lower limb spasticity after stroke." Adv Physiother 2: 183-7
Issue date: 2001-04-06
Publication year: 2001
ISBN: 91-628-4730-9
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