16 SA JournAl of PhySiotherAPy 2011 Vol 67 no 2 Research Article Activity Limitations of Patients with Stroke Attending Out-patient Facilities in the Western Cape, South Africa Corresponding Author: Prof A Rhoda Department of Physiotherapy University of the Western Cape Bellville 7535 Western Cape, South Africa Email: arhoda@uwc.ac.za AbSTrAcT: A stroke can affect individuals at the levels of impairment, activity and participation. The aim of this study is to determine the activity limitations of stroke patients receiving rehabilitation at out-patient Community health Centres (ChCs). A longitudinal observational study was conducted. Activity limitations were measured using the Rivermead Motor Assessment Scale, the Barthel Index and the nottingham extended Activities of Daily living scale (neADl). The study population consisted of 100 patients with stroke consecutively admitted to the Community health Centres for therapy. The data was analysed using inferential and descriptive statistics. The majority of the participants were not able to climb stairs, travel on public transport, wash dishes, do washing, do household chores and shopping, socialize and manage the garden at six months post stroke. A significant improvement was noted in the ability of the participants to perform basic activities of daily living between baseline and two months, but not between two and six months. There was however a significant improvement in their ability to perform instrumental activities of daily living between two and six months. Although the participants were able to perform basic activities of daily living enabling them to be independent in their homes, they were unable to perform instrumental activities of daily living which limited their functioning in the community. There is a need for therapists to include activities which could facilitate re-integration into the community in their rehabilitation of patients with stroke. Key wordS: ACTIvITy lIMITATIonS, STRoke, oUT-PATIenT FACIlITIeS. Rhoda A, PhD1 Mpofu R, PhD1 De Weerdt W, PhD2 1 University of the Western Cape, 2 KULeuven bathing, eating, dressing, toileting, blad­ der and bowel control, mobility, transfers and the ability to climb stairs (Mayo et al 1999). Instrumental activities are those activities needed for people to function within their communities and to run their households. The most common instru­ mental activities that patients with stroke are not able to perform post­incident include washing clothes, shopping and house work (Hartman­Maeir et al 2007; Rouillard 2006), as well as travelling by public transport (Rouillard 2006). Studies conducted in both developed and developing countries have revealed that patients with stroke need assis­ tance with activities of daily living. In a population­based study conducted in New Zealand, Bonita et al (1997) found that one third of the stroke population required assistance with at least one activity of daily living with a gender differential. In studies conducted in sub­Saharan Africa, patients with stroke appeared to be more dependent on others for self­care (SASPI Project Team 2004; Walker et al 2000). Walker et al (2000) iNTRODUCTiON Stroke is a major cause of death and disability worldwide (Feigin, et al 2003). Disability post­stroke can be con­ ceptualised using the International Classification of Functioning, Disability and Health (ICF) as described by the World Health Organisation (2001). The ICF assists in analysing the patient’s problems post stroke as well as enabling a systematic analysis of rehabilitation interventions (Wade and de Jong 2000). A stroke can affect individuals at the levels of impairment, activity and par­ ticipation. The activity limitations expe­ rienced post­stroke include basic and instrumental activities of daily living. Basic activities of daily living include reported that in Tanzania the number of people needing assistance with at least one activity of daily living was 60%. In a South African study, 66% of stroke survivors needed assistance (SASPI Project Team 2004). Stroke is one of the most common chronic lifestyle diseases in the Western Cape, South Africa (Bradshaw et al., 2004). This disease places a high burden on patients, their families, the com­ munities in which they live, as well as the health care system and the state. The majority of patients with stroke are referred to out­patient facilities for rehabilitation even in the acute stages (Rhoda and Hendry 2006). Studies have indicated that an extended pro­ gramme in the community, provided by a dedicated team could result in patients being discharged earlier from hospital (Anderson et al 2000; Bautz­ Holter et al 2002; Donnelly et al 2004; Indredavik et al 2000; Mayo et al 2000). This approached was developed as the home setting, is conducive to relearning skills post stroke (Anderson et al 2000; 17 SA JournAl of PhySiotherAPy 2011 Vol 67 no 2 Bautz­Holter et al 2002; Donnelly et al 2004; Indredavik et al 2000; Mayo et al 2000). Unfortunately this type of extended ser vices is non­existent in under­resourced rehabilitation settings such as in the Western Cape. Post 1994 a national health care policy was promulgated and adopted in South Africa, in support of primary health care with implications for the nature of treat­ ments offered and where they are located. In the primary health care approach, Community Health Centres (CHCs) form part of primary level services (A national health plan for South Africa 1994). It is important to note that CHCs have been designated as low intensity facilities in which rehabilitation should be offered by at least one rehabilitation professional or auxiliary rehabilitation worker (Department of Health 2007). The reality of the situation is that CHCs are tasked with providing rehabilita­ tion services to acute stroke patients. Hale and Wallner (1996) asserted that in South Africa patients are often dis­ charged despite findings indicating that community rehabilitation services are inadequate for the management of acute and sub­acute patients. These patients often need assistance with performing activities needed to function within their homes and communities. In situations where resources and services are limi­ ted and acute patients with stroke live at home and receive out­patient services, it is important to determine the exact needs of the patients. In addition, little is known about the outcomes of patients with stroke who receive rehabilitation at out­patient centres in this context. The aim of the study was therefore to deter­ mine the activity limitations of patients with stroke receiving out­patient reha­ bilitation at CHCs in the Western Cape, South Africa. This information could be used to implement stroke rehabilitation services that are appropriate for under­ resourced countries. METHODS Ethical approval for the study was obtained from the relevant Institutional Review Board. A longitudinal, obser­ vational study was used to collect the data relating to the outcomes of stroke rehabilitation at CHCs. All patients who were consecutively admitted to the cen­ tres for therapy and who met specific inclusion criteria were included in the study. The inclusion criteria included a first­ever stroke as defined by the World Health Organisation (1989) patients who had suffered a previous stroke were excluded as they could have impair­ ments as a result of the previous stroke, the study also included those who had Rivermead Motor Assessment (RMA) scores of: Gross function (RMA­G) ≤ 11; and/or Leg and trunk function (RMA­LT) ≤ 8; and/or Arm function (RMA­A) ≤ 12. This meant that the participants still had some degree of motor impairment (Lincoln and Leadbitter, 1979), aged between < 35 and > 85 years. Patients were excluded if they had other neurological impair­ ments with permanent damage, such as a previous head injury or spinal cord injuries, if they had stroke­like symp­ toms due to sub­dural haematoma, brain tumour, encephalitis or trauma, if their stroke had occurred more than six weeks before, a pre­stroke Barthel Index Score of < 50 (determined by completing pre­stroke Barthel Index assessment) and if no informed consent had been obtained from the patient or family. The Gross Motor Rivermead Motor Assessment Scale (Lincoln and Leadbitter 1979), the Barthel Index (Mahoney and Barthel 1965) and the Nottingham Extended Activities (Lincoln and Gladman 1992) were used to measure activity limita­ tions of the participants. The sub­scale of the Rivermead Motor Assessment Scale provides information about gross motor function, while the Barthel Index provides information about basic activi­ ties of daily living and the Nottingham Extended Activities of Daily Living Scale provides information about extended activities of daily living. All the instruments used were valid and reliable (Finch et al 2002). Although the validity and reliability testing of the instruments had not been conducted in the local setting the items tested were appropriate to the local popula­ tions and had been used successfully in other studies conducted in South Africa (Joseph and Rhoda 2011). As a non­ probability sampling method was used the use of regression analysis guided the determination of sample size. When conducting regression analysis the lit­ erature recommends that for every one dependent variable at least ten indepen­ dent variables are needed (Munro 2001). The researcher identified eight specific variables from the literature (Meijer et al 2003) that predicted motor and func­ tional outcome post­stroke. Thus, a total of 80 participants would be sufficient. As the study was longitudinal in nature the researcher had to plan for dealing with attrition due to drop­out and there­ fore decided to recruit 100 participants which would be sufficient for the statis­ tical analysis anticipated and to address drop­out effect. To access the participants, the researcher contacted the CHCs thrice a week for the names of patients who had suffered a first­ever stroke and were newly admitted to the centres. Once the names and contact details of eligible patients were obtained they were con­ tacted and an appointment was set up either at the participants’ home or at the CHC. In cases where telephone numbers were not available, the researcher or research assistant went to the patient’s home. The aim of the study was explained and the patients were invited to par­ ticipate in the study. If the patient was eligible to be included in the study, the necessary baseline questionnaires were completed once written informed con­ sent was obtained. Once the researcher or research assistant had finished col­ lecting the baseline data, the participants were informed that they would be con­ tacted for an appointment for the two and six month follow­up assessments. As was the case with the baseline data, the data was collected at a place that was convenient for the participant which was either their home or the physiotherapy department at the CHC. The data were analysed using the Statistical Package for Social Science version 15 and 16 (SPSS) and Statistical Analysis System (SAS). To ensure correct capturing, the data were entered twice and compared using the COMPARE procedure in SAS. The Shapiro Wilk W test was used to assess normality of the 18 SA JournAl of PhySiotherAPy 2011 Vol 67 no 2 Figure 1: Results of participant recruitment 4 died 3 withdrew (refused follow-up assessment) 5 could not be followed up within assessment period * 1 moved out of Cape Town * 1 returned to work (could not get appointment to conduct assessments) * 1 admitted to rehabilitation centre (permission for patient to be part of study not obtained) * 2 were not contactable (no follow-up contact details) * 2 were not contactable 100 stroke patients were recruited to take part in the study 5 died 1 withdrew (refused follow-up assessment) 6 could not be followed up within assessment period * 2 moved out of Cape Town * 1 returned to work (could not get appointment to conduct assessments) * 3 were not contactable (no follow-up contact details) * returned to work (could not get appointment to conduct assessments) 2 months 88 6 months 76 Figure 2: Percentage of participants who were independent on the 10 sub-items of the Barthel index at baseline (n=100), two (n=88) and six months (n=76) post stroke onset. data. Both descriptive and inferential statistics were used to analyse the data. Frequencies of the different socio­demo­ graphic and activity limitations were determined. These frequencies related to data collected at baseline, two months and six months post­stroke where appro­ priate. An intention­to­treat analysis was adopted in which a mixed effects regression model was used to assess for significant differences on the outcome measures between the different assess­ ment periods at alpha level of 0.05. This model allows for the inclusion of all cases in the analysis irrespective of the loss to follow­up. RESULTS Participant recruitment A total of 100 participants were recruited into the study from June 2005 to November 2008. Twelve participants dropped out of the study at the two month assessment period and a further 12 dropped out at six month assessment period. Figure 1 presents the results of participants recruited into the study. Description of the participants The study sample consisted of an equal number of males 50(50%) and females 50 (50%). The mean age of the population was 61.0 with a standard deviation of 10.55 and ages ranged from 36 years to 85 years. The participants were recruited into the study at a median 21 days post stroke. 19 SA JournAl of PhySiotherAPy 2011 Vol 67 no 2 Activity Limitations of the participants Gross Motor Function as measured by RMA-G With regards to gross motor function, unsupported sitting (item 1) was the activity that the majority of the parti­ cipants were able to perform indepen­ dently. In sharp contrast, the majority of the participants could not run (item 12) and hop (item 13) at baseline, two and six months post stroke. An increase in the number of participants who were able to perform various other activities occurred mainly between baseline and two months post onset stroke (Table 1). Basic activities of daily living as measured by Barthel index At baseline the majority of the parti­ cipants needed assistance with all basic activities of daily living except bowel, bladder, transfers and mobility. At the two month follow­up period more patients became independent. Never­ theless still more than 50 percent needed assistance with feeding, dressing, stair climbing and bathing. At six month the majority of patients still needed assis­ tance with dressing, stair climbing and bathing (Figure 2). Barthel index Scores according to level of severity The participants’ ability to perform functional activities of daily living was measured using the Barthel Index (Table 2). The results indicated that at the 6 month assessment period only 19.7% of the participants were fully independent with the majority (80.3%) still needing assistance with at least one activity of daily living. instrumental Activities of daily living as measured by NEADL. Participants improved their ability to perform the majority of activities inde­ pendently between the two and six months assessment periods. As is pre­ sented in table 3, at six months post stroke the vast majority of patients could not write letters independently (92.1%) or drive a car (96.1%). The majority of the participants were also not able to climb stairs, travel on public transport, wash dishes, do the washing, house­ Table 1: Percentage of participants who were independent on the 13 sub-items of the RMA-G at baseline (n=100), two (n=88) and six months (n=76) post stroke. RMA-G items Baseline Two months Six months Unsupported sitting 93.4 98.7 97.4 Lying to sitting 92.1 94.7 94.7 Sitting to standing 84.2 89.5 88.2 Transfer to wheelchair towards unaffected side 82.9 88.2 88.2 Transfer to wheelchair towards affected side 85.3 88.2 86.8 Walk indoors 10m with an aid 75.7 85.5 82.9 Climb stair independ- ently 39.5 60.5 65.8 Walk 10m indoors without aid 58.9 75.0 78.9 Pick up bean bag from floor 69.1 80.3 80.3 Walk outside 40m 41.7 61.8 65.8 Walk up and down 4 steps 46.1 64.5 65.8 Run 10m 2.8 3.9 7.9 Hop on affected leg 5 times 2.8 3.9 5.3 Table 2: Barthel index Score according to participants’ severity for each assessment point. category number (%) of participants Baseline n=100 2 months n=88 6 months n=76 Dependent (0 -55) 41 (41.0) 17 (19.3) 13 (17.1) Moderate Assistance (60 -80) 36 (36.0) 27 (30.7) 17 (22.4) Minimal Assistance (85 -95) 21 (21.0) 33 (37.5) 31 (40.8) Independent (100) 2 (2.0) 11 (12.5) 15 (19.7) 20 SA JournAl of PhySiotherAPy 2011 Vol 67 no 2 hold and shopping, go out socially and manage their garden. Change of scores across time points From the results of the mixed effects regression model which is presented in terms of LS means and (CI) it becomes evident that the difference scores observed between baseline and two months, as well as between baseline and six months were found to be significant for both the RMA­G and the Barthel Index Scores. However, no significant changes were noted between two and six months for both outcome measures. The difference scores observed between two months and six months, for the NEADL scores were also found to be significant. These results are presented in table 4. DiSCUSSiON Limitations in activities are a major challenge to patients who have experi­ enced a stroke. The individual activities the participants could not perform at baseline meant that they needed some­ one to care for them probably on an almost full­time basis. As a result they often experience feelings of helpless­ ness and frustration (Dowswell et al 2000). Although the majority of the participants only needed minimal assis­ tance (Granger et al 1979), at six months the activities that they could still not perform independently such as dressing, stair climbing and bathing once again highlighted their dependence on carers. These activities which stroke patients have difficulty executing are similar to those reported locally (Rouillard 2006) and internationally (Hartman­Maier et al 2007). Access to homes or public build­ ings which have stairs would also be difficult for these patients as they could not climb stairs independently. The fact that more than 50% of the participants still needed assistance with climbing stairs, travelling using public transport, doing housework or manag­ ing the garden at six months could be as a result of environmental barriers such as bathrooms that are inacces­ sible, or homes that have steps at front doors. This means that in patients where improvement in functional activity is no longer expected, the rehabilitation inter­ Table: 3. number (%) of participants independent in items of the neADl at two months and six months post stroke onset. variable Participants n(%) 2 months n=88 6 months n=76 Mobility Walk outside 66 (75.0) 59 (77.6) Climb stairs 32 (36.4) 34 (44.7) Get in and out of car 55 (62.5) 49 (64.5) Walk over uneven ground 47 (53.4) 50 (65.8) Cross roads 46 (52.3) 48 (63.2) Travel on public transport 16 (18.2) 25 (32.9) Kitchen Activities Make yourself a hot drink 47 (53.4) 49 (64.5) Take hot drinks from one 48 (54.5) 50 (65.8) room to another Do the washing up 32 (36.4) 32 (42.1) Make yourself a hot snack 33 (37.5) 39 (51.3) Domestic Tasks Manage your own money when out 47 (53.4.) 46 (60.5) Wash small items of clothing 30 (34.1) 34 (44.7) Do your own housework 23 (26.1) 26 (34.2) Do your own shopping 17 (19.3 23 (30.3) Do a full clothes wash 8 (9.1) 12 (15.8) Leisure activities Read newspaper and books 54 (61.4) 48 (63.2) Use the telephone 44 (50.0) 48 (63.2) Write letters 4 (4.5) 6 (7.9) Go out socially 19 (21.6) 23 (30.3) Manage your own garden 11 (12.5) 17 (22.4) Drive a car 6 (6.8) 3 (3.9) Table 4 Time effects: changes in activity limitations as measured by the RMA-G, Barthel index and eADl for different assessment periods Assessment period RMA-G lS mean (ci) Barthel index lS mean(ci) neADl lS mean(ci) Baseline - 2 months 1.23(0.89;1.58)* 12.5(9.24;15.8)* 2 – 6 months 0.17(-0.25;0.6) 0.45(-3.19:4.09) 1.33(0.577;2.076)* Baseline – 6 months 1.40(0.92;1.88)* 13.0(8.74-17.2)* 21 SA JournAl of PhySiotherAPy 2011 Vol 67 no 2 ventions should therefore be focused on changing the environment of the person with the disability (Helander 1999). The building of ramps would be needed to assist where patients are not able to climb stairs and the provisions of assis­ tive devices to assist with bathing. The inability to perform certain tasks that they could do previously, such as household tasks and shopping, meant that these tasks had to be performed by others, thus resulting in a role change. A change of role results in patients with stroke experiencing a sense of los­ ing control (Dowswell et al 2000). The participants’ inability to access public transport was a major concern. Only one out of three participants in the present study was able to use public transport. The socio­economic status of the study population with 80.7% on an income below R1000 a month implies that only a small number of the participants owned a car. The ability to use public transport is therefore important. A lack of access to transport could impact on other domains of the individual’s life such as involve­ ment in recreational activities. Their visits outside of the house sometimes become limited to follow­up medical appointments with the doctor (Rochette et al 2007). It should however be noted that the inability to use public transport could have been intrinsic to the patient, mean­ ing as a result of motor or other impair­ ments or as a result of extrinsic factors such as accessibility of the transport system. Accessibility of public transport was however not investigated in this study and should be explored in future research. The pattern of neurological recovery that occurred in the participants is in line with what was recorded in the lite­ rature. A number of studies have indi­ cated that neurological recovery occurs early after stroke (Duncan et al 2000; Jørgensen et al 1995). Jørgensen et al (1995) reported that in patients who were part of a Copenhagen study those who had a severe stroke reached their maximum recovery within 15 weeks. For the participants classified as having a mild stroke in the Copenhagen study, neurological recovery was reached within six weeks post­stroke onset. As is reported elsewhere (Rhoda 2010), the majority of the patients in the present study were classified as having a mild stroke as measured by the NIHSS (Brott et al 1989). One could conclude that the lack of significant neurological recovery between two and six months could be related to the fact that the participants had reached their best measurable level of neurological recovery (Jørgensen et al 1995). Duncan et al (2000) also reported that the most evident recovery of neuro­ logical impairments occurs within the first month, although some neurological recovery could still be observed for up to six months in patients with severe stroke. When comparing the results of the study with that of the Copenhagen study (Jørgensen et al 1995) it should be noted that the severity of stroke was determined using different scales when comparing results of the present study with those of studies conducted pre­ viously and results should therefore be compared with caution. However, the finding that neurological and motor recovery occur earlier in the post­stroke period appears to be robust based on its consistency despite the different scales being used. The participants could be classified as having moderate disability (Jørgensen et al 1995). Jørgensen et al (1995) found that patients with moderate disability attained their best levels of functioning within seven weeks. Although this is the case the majority (80.3%) of the parti­ cipants in the current study still needed assistance with at least one activity of daily living at six months post stroke with only 19.7% being totally inde­ pendent with a Barthel score equalling 100. In contrast Jørgensen et al (1995) reported total independence in 46% of the participants treated with increased intensity in a stroke unit from acute admission to end of rehabilitation. The lack of a statistically significant improvement between two and six months noted in the present study could, therefore, be due to decreased intensity of treatment received by the participants. The stroke patients attending the CHCs only received therapy on average once a week (Rhoda et al 2009). Although more than half of the participants were not able to perform certain instrumental activities at six months post stroke, the statistically sig­ nificant improvement found between the two and six month NEADL scores might be related to improved coping strategies by some participants to con­ duct certain activities. It could be that at the early stages post stroke patients tend to do less and are more dependent on others to perform activities. After real­ izing that certain movements are not going to return or are not returning at the rate they expect they start doing acti­ vities for themselves. Therapists working at CHCs should be aware of the level of neurological and motor impairments of the stroke patients and should subsequently pro­ vide interventions that are appropriate and would optimally facilitate recovery. For example, depending on the seve rity of the stroke experienced, the aim of rehabili tation for patients who are past three to six months post­stroke should not necessarily be to improve neurologi­ cal or motor impairments but to address factors such as improving activity and participation. This could be done as improvements in activity limitations and participation restrictions could still occur even when no further neurological or motor recovery is expected. CONCLUSiON Although the participants had mild disa­ bility at six months post stroke and could almost function independently within their homes, their inability to be inde­ pendent in certain instrumental activities of daily living limited their re­integration into their communities. We recommend that therapists should include activities which could facilitate re­integration into the community in their rehabilitation of patients with stroke. In addition the rehabilitation of stroke patients at the CHCs should include an intersectorial approach. The therapists should liaise with other sectors such as the hous­ ing department and the department of transport to address the environmental barriers that are limiting the patients from being independent. 22 SA JournAl of PhySiotherAPy 2011 Vol 67 no 2 REFERENCES A National Health Plan for South Africa 1994 http://www.bhfglobal.com/files/bhf/Heather%20 M c L e o d % 2 0 ­ % 2 0 A N C % 2 0 H E A LT H % 2 0 PLAN%201994.pdf. 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