January 2007 Vol 7 correct A.indd The Role of Caregivers in the Management of Alzheimer’s disease Examples from Asian Countries *Joydeep D Chaudhuri1, Srijit Das2 THE DEMOGRAPHIC PROFILE IN MANY Asian countries is in the process of a major shift due to an increasing ageing population that has been arbitrarily defined as one where seven per- cent of the people are aged over 60 years [Table 1]. The aged population in Asia was conservatively estimated at 8.2 % in 1995 1 and has been predicted to increase to about 10% by year 2010.1 A similar distribution has also been noted in the Eastern Mediterranean region 2 that also includes the Gulf Cooperation Council (GCC) [Ta- ble 2]. While the percentage increase over these years is not very remarkable, in absolute numbers it translates to an enormous increase in aged population and related health care issues. The increase in the aged population has been attributed to an overall improvement in life- style standards and consequent longevity.3 A L Z H E I ME R’ S D I SE A SE It is paradoxical that improvement in healthcare facili- ties has resulted in an increased lifespan and a related increase of age-related diseases, significant among which is Alzheimer’s Disease (AD). AD is a chronic neurodegenerative disorder, the most dominant fea- ture of which is cognitive decline. It is characterised by progressive memory loss, personality changes and in its final stages hamper the activities of daily living. The incidence of AD has been directly linked to a high per- centage of individuals over 65 years of age, with up to 55% of people over 65 years of age being affected by the 1Department of Anatomy, Midwestern University, 19555 N, 59th Avenue, Glendale, AZ 85306, USA, 2Department of Anatomy, Maulana Azad Medi- cal College, New Delhi-110002, India *To whom correspondence should be addressed. Email: jchaud@midwestern.edu الزهامير مرض مع التعامل في الرعاية مسئولي دور (لتحسن األعمار زيادة معدالت ــبب بس الناس من املعمرة خاص الفئة ــكل بش وتزداد ، ــرعة بس ــيا آس ــعوب ــكانية لش الس امللخص: تتغير الطبيعة ــكلة مش اصبح الذي الزهامير, مبرض االصابة معدالت ازدياد الى أدى ذلك كل . اخرى جهة من الوالدة معدالت ــان ولنقص جهة من ــة) الطبي ــات اخلدم . احلاالت مع هذه التعامل ــي األهم ف باملريض اجلزء العناية أصبحت ، املذكور ــرض للم ناجع عالج ولعدم وجود . ــيوية اس بلدان عدة في ــرة ــة كبي صحي رعاية شؤون املقالة تعالج هذه بطيئة. كانت اال هذا في ــيوية االس الدول مبادرة ما ، لكن حد الى ــكلة املش هذه ــتطاعت حل اس البلدان الصناعية . وخصوصيتها االسيوية البيئة يالئم مبا الزهامير مبرض املصابني الكلمات مفتاح . األهل رعاية ، املعمرون مرض الزهامير ، املفردات املفتاحية: ABSTRACT The demographic profile of the Asian population is rapidly changing, with a fast increasing ageing population, owing to an increase in longevity and a decreasing birth rate. Moreover, due to improved medical facilities and the increased aged popula- tion, Alzheimer’s disease (AD) is fast emerging as a major health problem in many Asian countries. As curative treatment for AD is still elusive, care giving is an important component of the management of AD. While Western countries have recognised this issue, besides highly industrialized Japan, the Asian initiative has been relatively slow. This article aims to address issues involved in caregiv- ing in AD in some Asian countries. Keywords: Alzheimer’s disease, ageing population, caregivers SULTAN QABOOS UNIVERSITY MEDICAL JOURNAL DECEMBER 2006 VOL 6, NO. 2 SULTAN QABOOS UNIVERSITY© R E V I E W J O Y D E E P D C H AU D H U R I A N D S R I J I T D A S 12 disease.3 This has obvious implications for the already over stretched health care system in many Asian coun- ties. It is noteworthy that although females are more represented in caregiving in Asia, their presence does not have a significant impact on the overall caregiving in AD.3 Although AD was identified almost a century ago, a definitive treatment has still eluded mankind. At this juncture, symptomatic palliative treatment along with effective caregiving appears to be the only therapeutic option, with most of the affected persons being cared for at home by informal caregivers, who are usually family members or relatives.4 AD has been identified as the single largest cause of dementia in the Western world5 and its prevalence in some Asian countries is also high [Table 3] and ref- erences therein). Thus, as the ageing population con- tinues to grow, society is faced with the dilemma of an increasing prevalence of AD patients and the respon- sibilities of caring for them. Though the importance of caregiving in AD management has been recognised by many Western countries,6,7 the effort in many Asian counties. the development of caregiver resources has not been significant, except for a few isolated programs.8,9 In many Asian counties., it is generally believed that caregiving is not just a duty, but also an expres- sion of love and devotion, and there is a great reliance on the family system for support. However, as many Asian caregivers lack adequate medical knowledge, social and emotional skills, the task of care giving be- comes even more challenging. This article aims to dis- cuss the issues involved in caregiving in AD in general and specifically in relation to the Asian context. C A R E GI V E R I S SUE S Caregiving broadly includes the assistance and moni- toring of activities of people affected by disease or dis- ability. Assistance may be in the form of medical, fi- nancial, emotional or legal support. On a daily basis, it includes personal care, housekeeping, administration of medication and execution of financial transactions and other responsible activities. Thus, in severely af- fected persons, such as those with AD, the caregiver becomes an important, albeit essential, factor for their well-being and often existence. In fact, it has been shown that the single predictor of placement of an affected person in a nursing home is the absence of caregivers.10 In the broader context, the important issues involved in the caring of AD patients include: Recognition of the needs of AD patients. The recognition of the needs and problems of persons affected by AD appears fundamental to caregiving. However, it has been seen that a significant number of caregivers tend to overestimate the physical and mental capabilities of AD patients under their care. They at times fail to realize that even simple directions and instructions maybe be difficult for AD patients to follow due to their dementia. Consequently, failure of their patients to comply with directions often leads to frustration, anger and depression for both the patient and the caregiver.11 Further, dying people have certain rights that broadly include relief from pain, affirmation of the whole person and the right to die with dignity.12 Car- egivers need to learn the specific issues in the promo- tion and protection of these rights in order to provide a positive death experience for a person with AD. Country 1991 2001 Bangladesh 6 million 11.4 million China 42 million 97 million Hong Kong 772,400 I million Indonesia 53 million 113 million Table 1: Total population over 60 years of age in selected Asian countries (based on Ref : 1) Country 60 years and older % Bahrain 5.2 Iraq 4.8 Jordan 3.8 Kuwait 3.9 Lebanon 10.4 Oman 4.5 Palestine 4.9 Qatar 6.0 Saudi Arabia 4.0 Syrian Arab Republic 4.8 Table 2: Proportion of population 60 years and older for selected countries of the World Health Organization Eastern Mediterranean Region (Based on Ref : 2) TH E R O L E O F C A R E G I V E R S I N T H E M A N A G E M E N T O F A L Z H E I M E R ’ S D I S E A S E 13 TH E C A R E GI V E R BUR D E N Caregiving is a complex task that is often underplayed. It is physically, mentally and financially stressful for the caregiver, due to complex emotions such as resent- ment about time and effort expended, sympathy and the anticipated loss of a loved one and often loss of income.13 The resultant changes in lifestyles and goals of a caregiver, often involve a major reorganization of priorities. This results in the loss of free time, neglect of friends and hobbies, often manifesting as social iso- lation and a consequent decrease in the quality of life of caregivers.13, 14 Analyses have shown that the lev- els of anxiety and depression in caregivers are directly related to the hours of care required and the physical and psychological illness scores of the AD patients un- der their care.15 Investigations have been carried out into the reasons for distress of AD caregivers. At the forefront are the low levels of knowledge of caregivers about the prev- alence, causes, symptoms and management of AD.16 For example, caregivers often complain of a loss of functional communication with AD patients, who are unable to follow verbal commands. The knowledge that simple sentences, instead of slow speech, while communicating with AD patients is more effective, has been shown to significantly reduce caregiver stress.17 Further, the knowledge of other communication strat- egies such as direct questioning in contrast to parallel questioning has also been shown to lower the caregiv- er’s burden.18 Parallel questioning refers to address- ing issues in an indirect manner that require a more complicated reply, as compared to direct questioning which usually require a “yes” or “no” response.18 Another significant problem outlined by caregiv- ers is difficulty in finding adequate resources such as effective and convenient medical support and com- munity resources for management of AD patients.19 The importance of this point is emphasized by two studies that have reported that caregivers who at- tended counselling, where information on care giving in AD was given, had lesser depressive symptoms and anxiety.20,21 However, it is encouraging that in contrast to their counterparts in the Western world, though some Asian caregivers report a general reduction in vitality, many do not experience a decreased level of social functioning.14 BE N E FI TS O F G O O D C A R E GI V I N G An efficient system of caregiving in AD is advanta- geous to all. It is of benefit to affected patients and their caregivers and also the formal health care sys- tem. Proper training of caregivers resulted in a general improvement of the physical and psychological health of AD patients, with significantly beneficial effects on their sleeping habits and increased daytime activity.22, 23 Further, training of caregivers that included sessions on good nutritional practices helped in preventing weight loss in AD patients.24 Moreover, affected per- sons gained significantly from the advantage of being cared for in their familiar surroundings. Caregivers are particularly vulnerable to physi- cal and mental strain, especially if they are female. Training of caregivers enhances their management ability and enables them to handle disruptive behav- iour of their wards and obtain an overall mastery of their situation.21, 22, 24 This training will have to be car- ried out by health care professionals and will results in less leave of absence from duty and consequently less loss of income. Further, as AD patients decline in their mental state, they become increasingly depend- ent on their caregivers for important decisions. At this juncture caregivers have an important role in deciding various issues concerning AD patients. Effective care giving in AD also benefits the formal health care system by reducing the costs of institution- alisation of patients. Current health care practices aim at providing acute care and the convalescent period has shifted from hospitals to the community and home.25 Further, caregivers are able to provide valuable prog- nostic and therapeutic information to health care pro- fessionals regarding the patient’s progress and response to treatment. Moreover, the caregiver is also able to help with memory aids, behavioural interventions, exercise and nutrition and the overall effectiveness of various palliative measures in AD that would otherwise have to be managed by the formal health care system.26 TH E R O L E O F D O C TO R S A N D H E A LTH C A R E PR O FE S SI O N A L S I N TH E TR A I N I N G O F C A R - Country Prevalence Rate (%) India34 4.7 Sri Lanka36 4.0 China37 4.4 South Korea38 4.2 Japan39 4.8 Table 3: Prevalence of AD in some Asian countries J O Y D E E P D C H AU D H U R I A N D S R I J I T D A S 14 E GI V E R S O F A D PATI E N TS While it is obvious that the training of caregivers has important beneficial effects, a study conducted on 200 clinicians in California, USA showed that though a vast majority of them routinely carried out neurological in- terventions for patients, only a small number of them actively implemented caregiver support practices.27 An Australian study has also reported that caregivers of AD patients complained of insufficient support from the health care system regarding adequate informa- tion about the disease, methods to deal with problem behaviour of their patients and how to access support services from health care agencies.28 While similar studies have not been carried out in Asian countries it can be anticipated that Asian clinicians would demon- strate the same disregard for caregiver support prac- tices. A study carried out in the UK highlighted three im- portant areas where interventions by doctors or health care professionals can be instrumental in improving caregiving in AD.29 These areas include (i) the car- egiver education component, in which the knowledge of the caregiver regarding AD is assessed and the car- egiver’s personal model of AD is discussed, (ii) stress management of caregivers, wherein techniques for personal stress management, self monitoring and re- laxation are taught and (iii) advice on how to respond to problematic behaviour of AD patients. Hebert et al., 2002, have emphasised that the focus of training of caregivers should be more on methods of coping with the stressful demands of demented patients and task oriented aspects of caregiving, rather than with information on the disease process.30, 31 A more recent report by Greenberger and Litwin 2003, 32 has shown that the most important resources identified by car- egivers include a sense of competence and adequate support from professional healthcare providers.31 Fur- ther, doctors need to be particularly concerned when the female spouse is the caregiver as a study has shown that as caregivers, wives generally fare worse than hus- bands due to a possible role reversal.32, 33 This is espe- cially important in the Asian context where men tra- ditionally have more responsible roles than females. While these specific interventions have largely have been described in the European context, they can be modified to suit the Asian context. Thus, doctors and health care workers need to be aware of the need for adequate training and counsel- ling of caregivers, so they can be effectively incorpo- rated into the treatment plans of AD patients. It is significant to note that, in many cases, most of the physicians find it difficult to explain the diagnosis and treatment to a patient and in such cases the role of caregivers is important regarding the disclosure and Figure 1: Effect of changing demographic profile and increased prevalence of Alzheimer’s disease on the Asian population. TH E R O L E O F C A R E G I V E R S I N T H E M A N A G E M E N T O F A L Z H E I M E R ’ S D I S E A S E 15 treatment of the disease.31-33 C A R E GI V I N G I N A L Z H E I ME R’ S D I SE A SE : IN MANY ASIAN COUNTIES With the growing number of aged people and a de- creasing household size, many Asian countries are faced with the spectre of an increasing incidence and prevalence of AD and less people to care for the patients.34-39 Care giving in many Asian socieies is at present carried out by family members, with support from family members and friends. It is largely because of tradition inculcated at an early age, that caregiving is perceived as an integral part of life to be carried out with love and sympathy, and as a sign of family and kinship support, though this cultural teaching cannot enhance care for the elderly.40 Moreover, the lack of adequate formal health care support facilities for older people has forced families and other informal caregiv- ers to form the mainstay of support for those affected by AD.41 However, there are certain constraints. One is the need for involvement of caregivers in early detection, diagnosis and treatment of patients who demonstrate early symptoms of AD.42 Further, with the growth of technology, caregivers are using more technology when caring for AD patients. However, adequate skill is lacking in many Asian caregivers.43 Moreover, there is a lack of adequate communication between caregiv- ers and doctors responsible for the management of the patients.44 However, this practice is being forced to un- dergo transformations, largely due to the pressures of socio-economic changes. The dissolution of extended families because of space constraints and job obliga- tions and an increasing number of women working outside their homes has increased the challenge of caring for older people with AD. Further, effective birth control measures and the resultant reduction in household size and number of siblings to assist paren- tal care has increased the load of caregiving for elders, including those affected by AD4. It is also significant to note that the negligible financial support available to affected people and their caregivers has added to the burden of caregiving in AD, highlighting the im- portance of monetary resources in the management of AD [Table 4]. 44 Thus the changing socioeconomic scenario in Asian countries underscores the need for training of caregiv- ers of AD patients and the development of an effec- tive support system. This is further emphasized by the identification of stress levels being specifically linked to caregiving of AD patients.12-15, 45 It has been shown that relevant information regarding AD was the most important factor in reducing caregiver burden and en- suring effective caregiving for AD patients.46 Further, since caregivers are responsible for many of the deci- sions regarding AD patients, it strongly suggests the need to provide caregivers with more information in order to promote good decision making.17 Thus, the foremost step in the management of car- egiving in AD in many Asian countries is the need for education and an assessment of the perceptions of AD among the lay public and particularly of caregivers of AD patients.47 A study in Hong Kong showed that the vast majority Asian caregivers in many Asian coun- ties. welcomed training workshops for caregivers.41 While this is a laudable approach, it is limited in most Asian countries due to monetary constraints. A more feasible approach, as suggested by Shaji et al., 2003, would be the training of domiciliary outreach services and community-based multipurpose health work- ers to impart knowledge regarding AD and provide the necessary support to caregivers, which have been highlighted in the previous paragraph, the most sali- ent feature being the identification of the stress levels of caregivers.43 This could be carried out during nor- mal hours as a part of training of the public regarding other health issues. However, it must be emphasised that health workers in developing countries can un- derreport or overreport services rendered due to in- efficient data collection systems or recall bias in the population.47 Thus, appraisal methods for evaluation of caregiver services need to be developed as caregiver support is one of the most important predictors of the well being of an AD patien, and health workers should be utilized for such evaluations. Further, inadequate caregiver support leads to an early discontinuation of home treatment of AD patients and a consequent in- crease in health management costs when they are in- stitutionalised. Another useful approach to reducing caregiver burden in AD is by the creation of support groups Country 1991 2001 Bangladesh 6.7 5.5 China 4.4 3.9 Hong Kong 5.3 4.5 Table 4: Average household size in some Asian countries (based on Ref : 44) J O Y D E E P D C H AU D H U R I A N D S R I J I T D A S 16 for caregivers. A study carried out in Hong Kong41 showed that the creation of a mutual support group programme for caregivers of AD had a significant role in improving the quality of life and could be in- corporated into health care practices in many Asian countries.48 However, it needs to be noted that that such a support system will be maximally effective only when an adequate care giving system has been devel- oped. Another study has also highlighted that profes- sional contact between caregivers was significant in developing the home skills of caregivers thereby re- ducing their behavioural symptoms.49, 50 Another significant development that has tran- scended continental boundaries is the development of internet-based groups that offer caregivers the oppor- tunity to interact with other caregivers for guidance, information and encouragement [Table 5]. The overall development of such resources in the different Asian countries in native languages will significantly im- prove the quality of life of AD patients and reduce the caregiver’s burden, as caregivers in contact with each other are consistently more knowledgeable. Educating the general public about AD and its care through elec- tronic media would remove much of the social stigma associated with the disease. A significant development in this respect is the development of the Alzheimer’s Caregiver Support Online (http://www.alzonline.net/), a web-based support network for caregivers. A similar online service is offered by the Eastern Michigan Uni- versity for the health care professionals and caregivers (http://www.emuonline.edu). C O N C L U S I O N Scientific advances in diagnosis and management of disease has resulted in greater longevity and a con- sequent increase in the aged population. As defini- tive treatment for AD is still unavailable, caregiving needs to be recognised as an important component of the management of AD. Caregiving in AD requires a variety of skills that include education about AD, as- sessment of the physical and mental condition of an AD patient and an effective support system for the caregiver. Disseminating knowledge about the disease, its treatment and the role of caregivers should be the prime aim of AD management. According to a report, the United Nations estimat- ed that the total number of individuals over 65 years of age, living in the countries of the Eastern Medi- terranean Region of the World Health Organization (WHO) is approximately 3.5%, and is expected to ap- proach 3.6% by 2005.47 However, there are differences in the size of the elderly population among the mem- ber countries of the GCC, with values ranging from a low 1.1% in Qatar and the United Arab Emirates to a high of 11% in Cyprus.48 A number of factors like reductions in infant and child mortality over several decades, together with a reduction in birth rates, have contributed to a high proportion of elderly people in Cyprus, while a large influx of young immigrant work- ers has resulted in a low proportion elderly people in the member countries of the GCC.47, 48 It has been noticed that a national policy means a national committee for care of the elderly, usually administered by the Ministry of Social Affairs (or the Ministry of Health in one country and the Directorate of Elderly Care and Gerontology in another).49,50 A decree on social benefits for the elderly exists in one country, while another member country is changing the structure of its national committee to conform to the policy on the elderly adopted by the League of Arab States. Most of these national committees were established between 1996 and 1997, almost immedi- ately after the release in 1995 of the strategy paper on the health care of the elderly by the WHO Regional Office for the Eastern Mediterranean.51,52, 53 Currently there is no significant support program for patients with AD and also for their caregivers in most Asian countries. The majority of this function is Table 4: Websites related to the information regarding care giving in Alzheimer’s disease. Name Website Alzheimer’s Caregiver Support Online http://www.alzonline.net The Combined Health Information Database http://chid.nih.gov Alzheimer’s Disease Education & Referral Centre http://www.alzheimers.org National Family Caregivers Association http://www.nfcacares.org Alzheimer’s Association Safe Return http://www.alz.org/services/safereturn.asp Elder Care Locator http://www.eldercare.gov TH E R O L E O F C A R E G I V E R S I N T H E M A N A G E M E N T O F A L Z H E I M E R ’ S D I S E A S E 17 being carried out by non-governmental organizations, which have tried to highlight the role of caregivers in the management of AD patients. Thus, closer collabo- ration and flexibility is necessary between researchers, clinicians, health care support staff and health policy makers in the different Asian countries to support and strengthen the role of caregivers in AD. R E F E R E N C E S 1. Achir Y. Indonesian Family Planner warns of 400 mil- lion population by 2053. 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