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Effectiveness of Body Awareness Therapy in Stroke Survivors: A Systematic Review of Randomized Controlled Trials

Authors Alamer A, Getie K, Melese H, Mazea H

Received 12 May 2020

Accepted for publication 1 July 2020

Published 17 August 2020 Volume 2020:12 Pages 23—32

DOI https://doi.org/10.2147/OAJCT.S260476

Checked for plagiarism Yes

Review by Single anonymous peer review

Peer reviewer comments 2

Editor who approved publication: Professor Arthur Frankel

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Abayneh Alamer, Kefale Getie, Haimanot Melese, Habtamu Mazea

Department of Physiotherapy, School of Medicine, College of Health Sciences and Ayder Comprehensive Specialized Hospital, Mekelle University, Mekelle, Ethiopia

Correspondence: Abayneh Alamer Tel +2510922276256
Fax +2510344416681/91
Email [email protected]

Abstract: Body awareness therapy has been hypothesized as an effective program for maintaining balance and improving gait function in patients with neurological diseases. Nevertheless, there is a dearth of recent studies in a systematic way to confirm its efficacy on stroke survivors. The objective of this review was to synthesize the current evidence on the effectiveness of body awareness therapy on balance and gait function in stroke survivors. A comprehensive search of PubMed, CINAHL, AMED, PEDro, EMBASE, REHABDATA Database, and Scopus was done to identify randomized controlled trials of body awareness therapy in individuals with stroke. The PEDro scale was used to evaluate the methodological quality of included trials. The primary outcome measures of this review were the 10-Meter Walk Test (10MWT) and Berg Balance Scale (BBS). Due to varying included trials, meta-analysis was not carried out. Nine randomized controlled trials with 332 patients were analyzed. Body awareness therapy exhibited a moderate confirmation to better balance and gait function of stroke survivors. Body awareness therapy could be a well-founded rehabilitative intervention and might support enhanced balance and gait function of individuals with stroke.

Keywords: motor imagery training, body awareness training, systematic review, stroke, balance, gait function

Introduction

Stroke can produce visual–perceptual deficits, resulting from lesions of the parietal cortex.13 The reported incidence of stroke-related visual–perceptual deficits ranges from 32% to 81%.1,4 Stroke might cause significant body scheme/body image and spatial relation disorders, and motor and sensory impairments, which potentially leads to different health problems, and compromised individuals’ quality of life.57 Stroke survivors usually suffered postural control impairments that could be potentially affecting balance and gait function.810 As a result, stroke rehabilitative interventions are focused to enhance postural control, balance, and gait functioning for independence of daily activities for individuals with stroke.11,12 Thus, among numerous restorative approaches, body awareness therapy is considered to enhance balance and gait function in individuals with stroke by employing task-specific approaches.13,14

Body awareness therapy (BAT) is a physiotherapeutic modality that examines a person’s postural stability and focus to find a new attitude towards their body.15 Thus, it could strengthen the individual’s recourses, integrating it in their daily living activities. In basic BAT the attention is both on the doing and on what is experienced in the movements, which in turn increase a self-awareness of physical, mental, and psychosocial aspects of body awareness.16 It is central to find the center line of the body by performing different movements like weight shifting and rotations, together with giving attention to the body.17,18 BAT is a strategy for enhancement of balance and postural control capacity by basic dreary developments that keep up capacity utilizing stability limits.15,19 This strategy has a task-specific approach that comprises straightforward dreary developments that challenge a person’s steadiness limits to upgrade an individual’s mindfulness of their development and reflect upon how their body feels when performing the movements.20,21 The movements in body awareness therapy focus on balance and postural solidness that may well be useful for people with stroke.

Given the significance of BAT, its effectiveness in the treatment of balance and gait function among stroke survivors is not well known. To the extent of our knowledge, there is no systematic review done to evaluate the adequacy of body awareness therapy on balance and gait functions in subjects with stroke. Hence, the purpose of this review was to efficiently synthesize proof from randomized controlled trials on the effectiveness of body awareness therapy on balance and gait function in subjects with stroke.

Methods

Design

This systematic review was done and detailed in compliance with the Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) guideline.22

Search Strategy

A literature search was performed to recognize all qualified randomized controlled trials. An electronic search of the literature was conducted to identify relevant studies from the following databases: PubMed, CINAHL, AMED, PEDro, EMBASE, REHABDATA Database, and Scopus. The following terms were utilized as key words: “stroke/cerebrovascular accident”, “body awareness therapy”, “balance”, and “gait function”. As subject headings shifted between the databases, various combinations of the key words were utilized as follows: “stroke/cerebrovascular accident”, AND “body awareness training”/“body mind therapy”/“sensorimotor training”/“postural control training”/“modified sitting to standing training”/“motor imagery training”, AND “balance/stability”, AND “walking/gait/mobility”, AND “randomized controlled trial”. The retrieving of the studies was set from 2010 to May 2020 for the published articles.

Eligibility Criteria

Eligibility of each study was determined based on the PICO (population/problem(s), intervention(s), comparison(s), outcome(s)) standard. PICO refers to a well-focused clinical research question in terms of the specific patient problem and aids the searcher in finding clinically relevant evidence in the literature.23 This framework helps the clinician articulate the clinical question most applicable to the patient and facilitates the search process by identifying the key concepts for an effective search strategy.24,25 Studies searched were considered qualified in the case they met the following criteria: 1) population: studies with participants with stroke; 2) intervention: experimental groups received body awareness therapy; 3) comparison(s): control group received conventional physiotherapy; and 4) outcomes: balance, gait, walking speed, and functional status. All randomized controlled trials (RCTs) conducted to determine the effectiveness of body awareness training on stroke survivors were included in this review. Only full-text articles published in the English language were included. Observational studies and conference abstracts were excluded from this review. Adult individuals with acute, sub-acute, and chronic/late phase of stroke survivors with hemiplegia/hemiparesis were considered in this study. RCTs comparing the effectiveness of body awareness training with the conventional physiotherapy were included in this review. Conventional physiotherapy is an intervention(s) given to individuals with stroke which includes treadmill training, gait training, walking training, and usual daily activities.

Study Selection

Two reviewers (A.A. and K.G.) retrieved papers from the identified lists on the basis of title/abstract, based on the established criteria for inclusion. The studies were retrieved in detail through methodological quality and data extraction tools. The third reviewer (H.M.) was there to solve the disagreements between the two reviewers.

Risk of Bias in Individual Studies

Three reviewers evaluated the quality of entailed trials based on the PEDro (Physiotherapy Evidence Database) scale scored using 10 items with the first item (external validity of the article) quality assessments of controlled interventional studies tool.26,27 The PEDro scale surveys the methodological quality of trials based on critical criteria, such as concealed assignment, intention-to-treat examination, and ampleness of follow-up. These characteristics make the PEDro scale a valuable apparatus to evaluate the methodological quality of RCTs. This review considered trials with a score of 5 to 7 as moderate quality, and a score of ≥8 as a high-quality study (Table 1).

Table 1 Quality Assessment of Included RCTs

Table 2 Summary of Included Randomized Controlled Trials

Data Extraction

Information extraction was done based on the data retrieval template of the Cochrane Consumer and Communication Review Group. Two reviewers (A.A. and K.G.) extracted the data independently and the third author (H.M.) checked the extracted data. Disagreements were settled by discourse with the third author. The following data were extracted from each RCT: author name and year of publication, stroke definition (stroke severity measure, type, and duration), number of participants in treatment and control groups, types of treatment both in experimental and control groups, mean follow-up time, mean age of the participants, and treatment outcomes (baseline, follow-up, and end of treatment). The effectiveness of interventions for each result, mean and standard deviation of result measures at pattern, after treatment, and at mid-follow-up, was extracted and synthesized for comparison.

Results

Study Selection

A total of 810 articles were recognized by the searching strategy. After adjusting for duplicates, 748 remained. After title and abstract screening of studies, 348 studies were expelled. After full content screening out of 52 articles, nine randomized controlled trials were included in this review (Figure 1).

Figure 1 Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) diagram.

Study Characteristics

The detailed descriptions of characteristics and results of the outcomes for the included trials are presented in Table 2. A total of nine trials with 332 participants were synthesized. All nine trials evaluated the efficacy of body awareness therapy on balance and gait function. The synthesized characteristics and outline of the results about the included trials based on the PICO standard are described below.

Participants

The large part of included trials selected from recovery center conceded members living with a stroke. The mean age of the members considered extended from 48.9 (10.5) to 65.6 (9.2) years.28,29 The mean time since stroke determination extended from 3.6 to 50.7 months.30,31 The majority of included trials enlisted more members with ischemic sort of injury.

Interventions

Studies comparing the effectiveness of BAT and comparison/control group for treadmill training, gait training, walking training, usual daily activities, and conventional stroke rehabilitation were included. The intervention training varied from 20 to 60 minutes per session, 3 to 5 times per week for a 3 to 8 week period.29,32

Outcome Measures

Data were extracted for the following outcomes: balance, gait, walking speed, and functional status. The primary outcome measures of this review were the 10-Meter Walk Test (10MWT) and Berg Balance Scale (BBS). Five trials utilized Berg’s Balance Scale for balance assessment.28,29,32-34 Only two trials used the Timed Up and Go Test for dynamic balance ability.31,34 The baseline balance performance of the participants varied from 33.9 (6.2) to 48.8 (4.6), and 29.3 (8.6) to 46.5 (7) for the experimental and control group respectively.29,33 After follow-up, the balance score of the participants ranged from 46.7 to 52.2 (4.6),28,29 and 42.6 (7.3) to 47.8 (7.3)29,33 for the experimental and control group respectively.

Three trials30,31,34 utilized the 10-Meter Walk Test to determine the degree ambulatory/walking speed and two trials29,33 used the Timed Up and Go Test for mobility/gait assessment. The pattern ambulatory speed of the members extended from 0.44 to 33.4 m/s and 0.53 to 29 m/s for the experimental and control group respectively.30,34 After follow-up, ambulatory speed of the subjects was extended from 0.55 to 19.3 m/s (3, 22) and 0.53 to 23.96 m/s31,34 for the experimental and control group respectively. Only one trial used FIM to assess the functional status of the participants.35

Risk of Bias Within Studies

The chance of predisposition inside individual trials and the conclusion of all items for the enlisted studies are presented in Table 1. Out of the encompassed studies, the PEDro score extended from 5 to 927 with a mean score of 7. All members were randomly allocated and all studies gave satisfactory results and analysis. As it was, three trials fizzled to concealed allotment,30,33,36 and one trial did not evaluate baseline comparability.29 Only three trials blinded therapists33,35,36 and four trials blinded their members.30,31,35,36 The lower scoring trials were basically checked down on blinding of members, deliberate/intention to treat analysis, and blinding the therapist. With all things, the most prominent potential source of inclination was related to blinding.

Effects of BAT on Balance

Detailed information on balance outcome extracted from the articles has been summarized and presented in Table 2. Eight studies, with 288 individuals, supplied the published treatment effect on balance.20,28,29,31,33-36 Out of eight trials, seven of them (n=242) mentioned that balance ability of stroke patients was significantly improved in BAT groups as compared to the control groups in all outcome measures (BBS, TUG).20,28,31,33-36 However, only one study (n=46) reported that body awareness therapy had no significant improvement in balance ability compared to that of the control groups.29 In the experimental intervention group, considerable improvement was located for the Berg Balance Scale tests.

Effects of BAT on Gait Function

All the included trials, nine studies with 332 individuals, furnished the post-remedy effect on gait. Out of the included trials, seven of them (n=274) pronounced that BAT had a beneficial effect on gait function compared with the control groups.3033,3537 Despite this, two studies (n=58) showed that significant enhancement was no longer found on gait for BAT/experimental groups as compared to control groups.29,34

Discussion

The primary intention of this systematic review was to synthesize the effectiveness of body awareness therapy on balance and gait function in stroke survivors. To this point, there had been no reviews that determine the effectiveness of body awareness therapy on stability and gait function in stroke sufferers in a systematic way. To the best of our understanding, this is the primary systematic evaluation to investigate the current evidence about the effectiveness of body awareness therapy on balance and gait function in individuals with stroke.

The majority of the included trials with mild to excessive great evidence suggested that BAT became powerful on balance and gait function for stroke survivors. The general effects of BAT on stroke survivors were turned into evaluation for a distinct period of intervention. The effect of BAT on balance was evaluated in eight studies. Seven studies pronounced that using BAT caused improved balance capacity in patients with stroke. However, in one study, BAT was not effective for balance improvement.29 Besides, two studies30,35 reported the effect of BAT on unilateral forget and functional outcome that showed significant improvement in stroke survivors with unilateral forget and functioning. However, Braun et al indicated that no differences were found between groups of BAT/intellectual practice with conventional therapy, compared to conventional therapy alone. The possible differences might be that the authors’ suggested that this treatment for elderly stroke patients might be difficult due to the complexity of the intervention.38

The effect of BAT on gait was also evaluated in all included studies. Seven of them reported that BAT had a beneficial effect on gait function as compared to the control groups. In contradiction to this, two studies showed that a significant improvement of gait function was not found for stroke patients who received BAT compared to control groups.29,34 For instance, the study done by Lindvall and Forsberg showed that no effects have been seen on stability, mobility balance self-belief, and subjective fitness repute after 8 weeks of body awareness therapy as compared to no intervention.29 The possible explanation could be that the training session was only once a week for the 8-week duration, bodily activity levels have not been measured in either group, and some of the individuals allocated to the control groups have commenced exercise on their own. Nevertheless, in the experimental intervention group, widespread variations were located between the baseline check and the comply with uptake for the Berg Balance Scale, and the mean exchange within the intervention group was 3.6 factors. On the contrary, the study done by Bang et al39 reported that body awareness training showed a positive effect on balance in patients with chronic stroke in the Berg Balance Scale and Timed Up and Go Test compared with the control groups. This might be that balance ability improved due to BAT consisting of sensory stimulation and awareness of shifting body weight that helps to maintain their balance. Also, the study conducted by Liu M, et al (2016)28 pronounced that body awareness therapy showed a positive impact on balance in sufferers with chronic stroke on the Berg balance Scale and Timed Up and Go Test compared with the control groups. This might be that the authors suggested stability capability progressed due to BAT comprising sensory stimulation and cognizance of shifting body weight that facilitates to keep their stability. But, there was no sizable difference in the 10-Meter Walk Test between the groups. Therefore, taking walks pace no longer displayed vast variations among groups. This can be due to walking speed being associated more to energy than to sensation, and there was no follow-up as much as degree of the lengthy-term effect.

A study done by Kutlay et al shows mental practice training provides improvement in functions and unilateral neglect problems in stroke survivors. Consequently, it may be beneficial as an adjunctive therapy for rehabilitation in stroke sufferers.35 Likewise, the study conducted by Oostra et al confirmed that kinesthetic imagery and the walking test effects improve greater in the motor imagery group than in the muscle relaxation group.30

A study done by Kim et al showed that pressure sence perception training (PSPT) on a risky surface might be a significantly greater effective approach for improving somatosensory characteristics, stability, and taking walks ability, than PSPT on a stable surface.31 The viable reason for the development in motor performance such as stability and taking walks capability may additionally be inferred from the following; PSPT via the conscious control level is clinched through the cortex and pyramidal. Similarly, Liu et al's study revealed that modified sit-to-stand education improves the stability characteristics, weight-bearing asymmetry, and center of pressure sway in hemiplegic stroke patients compared to the control group.28 Moreover, Farqalit and Shahnawaz evidenced that asymmetrical foot function in the course of sit down to stand training resulted in advanced balance and upright mobility in patients with continual stroke compared to the symmetrical foot function.33 Further, the study done by Bang and Cho suggested that postural manipulate training enhances stability and walking capacity of participants with chronic stroke.32

In the study done by Cho et al,36 motor imagery schooling combined with gait became more effective than gait training in improving the stability and gait function of continual stroke sufferers. This is probably because motor imagery training may additionally grow stability capability by way of stimulating proprioception and reducing their dependence on visual function for improving stability. In this study, gait speed elevated more within the experimental group than inside the control group (28% vs 18%, respectively). Similarly, Dickstein et al confirmed that the walking pace of stroke survivors increased by way of 23% after 6 weeks of imagery training.40 In the study by Hwang et al, the gait speed of unilateral body weakness individuals increased via 15% after 4 weeks of imagery training.41 Motor imagery training may also consequently have the effect of enhancing gait capacity. But, Liu et al no longer revealed any beneficial results on enhancing the motor feature of the lower limbs.42 For this reason, the likely variations between the research findings are probably associated with the protocols used for motor imagery schooling. Imagery schooling/training associated with motion that entails extremities may consequently be used to enhance motor characteristics in stroke sufferers.

In two studies comparing motor imagery training (MIT) and conventional physiotherapy (CPT) groups of participants on sub-acute stroke, the finding of these studies showed significant improvements in stroke survivors with unilateral neglect and gait function.30,35 With regards to subjects with chronic stroke, four trials comparing BAT and CPT groups confirmed significant improvement in balance and gait function.28,32,33,36

Taken together, the effects of two studies might suggest that BAT had no beneficial effect on balance and gait. However, based on the findings of seven similar studies, a more plausible explanation confirmed that BAT had a significant improvement in balance and gait function in stroke survivors in comparison to the control groups.

Limitations

This study had subsequent limitations: this review included only English language articles. Hence, there is probably a hazard of lacking articles posted in non-English languages. The heterogeneity across the research for the entire said consequences in the intervention and beyond the intervention durations should be changed into not estimated by means of pooled evaluation. Including studies with a short treatment duration should occur in the view that a longer remedy may probably result in a massive intergroup difference.

Clinical Implication

This review suggested that body awareness therapy seems to result in stepped forward results on balance and gait function. Medical choice making will be relying on the cognitional repute of subjects, particularly in elder age stroke survivors.

Conclusion

Body awareness therapy was found to improve balance and gait function of subjects with stroke. Even though this review found that BAT is powerful in enhancing balance and gait compared to different intervention, amazing interest is needed while we use BAT for stroke subjects as the path of disorder length. Future studies will even want to settle the equivocal facts on whether or not patients’ satisfactory lifestyles are notably advanced with the sooner initiation of BAT for patients with stroke at an acute stage.

Ethical Approval

Ethical approval or affected person consent was no longer required because the prevailing look became an overview of preceding published literature.

Disclosure

The authors report no conflicts of interest in this work.

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