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Annals of Indian Academy of Neurology
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ORIGINAL ARTICLE
Year : 2020  |  Volume : 23  |  Issue : 3  |  Page : 313-317
 

Palliative care needs and care giver burden in neurodegenerative diseases: A cross sectional study


1 Department of Psychiatric Social Work, NIMHANS, Bengaluru, Karnataka, India
2 Department of Statistics, NIRT, Chennai, Tamil Nadu, India
3 Department of Neurology, NIMHANS, Bengaluru, Karnataka, India, Bengaluru

Date of Submission04-Jun-2019
Date of Acceptance20-Aug-2019
Date of Web Publication10-Jun-2020

Correspondence Address:
Mr. Zacharias Lithin
Department of Psychiatric Social Work, M V Govindswamy Centre, National Institute of Mental Health and Neurosciences (NIMHANS), Bengaluru - 560 029, Karnataka
India
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/aian.AIAN_304_19

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   Abstract 


Background and Aims: Palliative care is an important area of intervention in neurodegenerative diseases. The aim of this study is to understand the relationship between Palliative Care Needs and Caregiver Burden among persons diagnosed with neurodegenerative diseases. Methods: A cross-sectional study design was adopted to explore the research problem. A prospective sample of 120 participants (60 Patient Caregiver dyads) of Motor Neurone Disease (MND) and Parkinson's disease (PD) were recruited for the study based on inclusion and exclusion criteria from a quaternary referral care centre for neurology in south India. Patients seeking care were recruited for the study consecutively. Palliative care outcome scale and Zarit Burden Interview scale were administered to understand the relationship. Results: It was found that Palliative care outcomes score was positively correlated with caregiver burden (r = 0.597), showing that there is a bi-directional relationship between palliative care needs and caregiver burden. Conclusion: Irrespective of the differences in illness characteristics, the study found that palliative care needs are high among chronic neurological conditions which requires a noncategorical psychosocial approach in ensuring care.


Keywords: Caregiver burden, neurodegenerative, palliative care needs


How to cite this article:
Lithin Z, Thomas PT, Warrier G M, Bhaskar A, Nashi S, Vengalil S, Polavarapu K, Kumar P, Yadav R, Alladi S, Atchayaram N, Pal PK. Palliative care needs and care giver burden in neurodegenerative diseases: A cross sectional study. Ann Indian Acad Neurol 2020;23:313-7

How to cite this URL:
Lithin Z, Thomas PT, Warrier G M, Bhaskar A, Nashi S, Vengalil S, Polavarapu K, Kumar P, Yadav R, Alladi S, Atchayaram N, Pal PK. Palliative care needs and care giver burden in neurodegenerative diseases: A cross sectional study. Ann Indian Acad Neurol [serial online] 2020 [cited 2020 Jul 8];23:313-7. Available from: http://www.annalsofian.org/text.asp?2020/23/3/313/267877





   Introduction Top


Palliative Care (PC) aims at holistic care for persons suffering from life-threatening illnesses and their families.[1] The concerns of patients and families affected by neurologic illnesses include goals of care, caregiver support, spiritual wellbeing, complex symptom management, and working with emotions.[2] As the neurodegenerative disease progresses, many patients choose palliation as an important goal of care. It is quite known that everyone facing life-threatening disease will require some degree of care in addition to treatment for their condition. Hence the relevance of palliative care and the need to bring evidence for palliative care is felt.

Palliative care in neurology is of paramount importance which requires increased collaboration between the fields of neurology and palliative care.[3] A consensus statement on neuro palliative care by the European Association of Palliative Care Taskforce highlighted the need for early integration of palliative care to routine neurological care and the need for capacity building.[4] Selective death of certain group of neurons results in neurodegenerative diseases such as Parkinson's disease, Huntington's disease, and Amyotrophic lateral sclerosis.[5] The current study focused on the two neurodegenerative groups. In Parkinson's disease, it is reported that caregiver burnout increases as the disability progresses.[6] People with Parkinson's disease and caregivers experienced a high illness burden and reported the need for additional support.[7] Whereas the significant challenges faced in the management of motor neuron disease are the diagnosis experience, assisted ventilation, cognitive changes and end-of-life decision making.[8] Irrespective of the illness, it is important to adopt palliative approach in managing such conditions. The challenges in providing palliative care in some aspects of the disease progression are genetics, cognitive change, respiratory dysfunction, end of life issues, advance care planning etc.[9]

Irrespective of better understanding of disease process, it is reported that care of the neurological patients involves many challenges as they have multiple difficulties such as issues in cognition, communication, behavioural and altered sensorium, physical ailments.[10] Caregivers of neurology patients also have similar rates of distress and burnout as caregivers of patients with cancer.[2] Therefore, neuro palliative care is gaining acceptance in the management of persons with neurological conditions who have been assessed as having a limited life expectancy. There is a need to understand the needs of patients suffering from life-threatening neurological disorders and their families since the concept of palliative care is long understood as part of cancer care. This study aimed to look into the relationship of palliative care needs and caregiver burden among neurodegenerative diseases in the Indian context.


   Methods Top


Study design

A cross-sectional descriptive study was performed among 60 patients caregiver dyads with the diagnosis of Motor neuron disease and Parkinson's disease receiving treatment from a national quaternary referral care centre for neurological disorders in Southern India. Participants were recruited from the IP and OP services. Diagnosis of Motor Neuron Disease by El Escorial Criteria and Parkinson's disease by United Kingdom Parkinson's disease brain bank criteria were used as inclusion criteria. Patients seeking care who fulfilled the inclusion, exclusion criteria were recruited for the study consecutively. Ethical clearance for the study was received from the Institute Review Board. Participants were explained about the purpose and nature of the study. Informed Consent Form was given and filled up by the respondents to indicate their willingness to participate in the research. If the consent form was signed, the interview proceeded at a time convenient to both parties, using the structured interview schedule and lasting about 40 to 60 minutes. Interviews were held over a period of 5 months from October 2016 to February 2017.

Measures

Demographics

The following information was collected: age, gender, education, religion, occupation, domicile, marital status, primary caregiver details and duration of illness.

Instruments

The palliative care outcome scale

Palliative care outcome (POS) Scale[11] was used to understand patient reported outcome (patient version) and carer reported outcome (carer version) in Palliative care needs. POS has 10 items which assess the following dimensions: physical, emotional, psychological, spiritual and provision of information and support. In this study palliative care outcome scale was used to calculate an overall profile score of palliative care needs. Each item is scored from 0 (minimum attention) to 4 (maximum attention). The overall profile score can range from 0 to 40. Individual POS item scores of zero or one require less clinical attention than items that score three or four.

The Zarit Burden Interview (ZBI)

The Zarit Burden Interview,[12] a popular caregiver self-report measure used in aging research, originated as a 29-item questionnaire. The revised version contains 22 items. Each question is scored on a 5-point Likert scale ranging from never to nearly always present. Total scores range from 0 (low burden) to 88 (high burden). The items are worded subjectively, focusing on the affective response of the caregiver.

Analysis

Variables were summarized using mean and standard deviation for quantitative variables and frequency distribution was used to summarise the qualitative variables. The normality was tested using Shapiro Wilk test. Spearman's correlation coefficient was computed to study the relationship between palliative care outcome and caregiver burden among persons with neurodegenerative diseases. Independent sample t test was used to compare the quantitative variable between MND and PD groups as well as male and female categories.


   Results Top


The study sample consisted of 120 participants which included person diagnosed with both MND and PD and their caregivers. The socio demographic profile of the study sample is shown in [Table 1] and [Table 2]. In the profile of patients, 76.7% of them were male and 23.3% of them were female in MND group, whereas the PD group consisted of 60% male patients. Majority of the patients (n = 23, 76.7%) had a duration of below three years of illness in MND, and in PD it was 43.3% (n = 13).
Table 1: Socio Demographic Profile of the patients

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Table 2: Socio Demographic Profile of the caregivers

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40% of the patients diagnosed with MND were Clinically Definite ALS and 36.7% of them were Clinically Probable ALS. Patients were assessed on United Kingdom Parkinson's Disease Brain bank criteria when patients were on medication (26.53 ± 14.40) and off medication (38.03 ± 14.74).

The [Table 3] shows the mean score of palliative care outcome scale and caregiver burden. The palliative care outcome score that assessed the physical, psychological, spiritual, social and information needs was found to be similar in both disease groups among both patients and caregivers. Caregiver's burden was found to be more in MND group (37.43 ± 18.75) as compared to PD group (29.56 ± 16.85), though it was not statistically significant (t = 1.709, P = 0.093).
Table 3: Palliative care outcome (POS) & Caregiver burden

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The [Table 4] depicts the relationship between the study variables. The correlation matrix showed that Palliative care outcome patient version had a high positive correlation with Palliative care outcome carer version (r = 0.802; P < 0.001), which was significant. This shows that the patients and caregivers tended to see the needs in similar way. Palliative care outcomes score was also positively correlated with caregiver burden (r = 0.597, P < 0.001), showing that higher palliative care needs, higher the caregiver burden.
Table 4: Relationship between Palliative Care Outcome and Caregiver Burden

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[Table 5] shows the result of independent sample t test preformed to compare palliative care outcome, and caregiver burden between male and female patients. The palliative care outcome of patients (t = - 2.416, P = 0.019) as well as caregivers (t = -2.353, P = 0.022) were significantly different between male and female patients. The palliative care need was found to be more in female patients as compared to male patients, whereas caregiver burden was similar in both male and female patients.
Table 5: Mean difference on Palliative care outcome, and Caregiver burden with respect to the Gender of the patient

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   Discussion Top


The present study was an attempt to understand the palliative care needs among the persons with MND and PD and its relationship with caregiver burden. The mean score for palliative care outcome in MND for patient version was 21.66 ± 6.74, and in carer version, it was 20.86 ± 6.24 and where as in PD for patient version 21.56 ± 6.13, and in carer version, it was 21.00 ± 6.16 which indicated that no discrepancy was felt between patient and carer felt needs. A study done assessing the palliative care needs in views of patients, informal carers and healthcare professionals revealed that all participants were able to identify the same needs in the areas of social and psychological support, financial concerns, and the need for choice and information.[13] This is important for care management since the carer's recognition of patients' needs would facilitate better care for the patient.

Taking care of a patient with neurodegenerative disorder is an extremely demanding task, resulting in significant caregiver burden. The Zarit burden inventory was used to ascertain the distress experienced by caregivers of persons diagnosed with neurodegenerative disease. The scale classifies the extent of burden as little to severe. The present study showed that 36.7% of the caregivers reported mild to moderate burden in taking care of the patient's needs in MND where as in PD it was 43.3%. Moderate and severe burden was reported by the remaining 33.3% in MND and 20% in PD. The need to go beyond disease diagnosis was felt when examining caregiver experiences in a study.[14] It is evident that the role of caregiver becomes progressively more important with disease progression, until caring for the patient becomes the caregiver's main or almost only activity. Caregivers of persons with neurodegenerative disorders are vulnerable to detrimental factors related to caregiving because of the progressive drawn-out course and multiple disabilities. The findings are significant and align with previous studies that have assessed the caregiver burden in neurodegenerative disorders. Previous studies among caregivers of Parkinson's disease have reported significant correlations between caregiver burden and sense of coherence in caregivers, functionality of the patient, depressive symptoms in caregiver and patient, patient subjective health and time since diagnosis.[15] With regards to the economic burden it is reported that patients with PD have twice the direct medical costs compared to those without PD as the disability and therapy-related complications increases in the later stages of progression of illness.[16] Caregiver burden in amyotrophic lateral sclerosis (also known as MND) was associated with behavioral and other changes in the patients.[17] Hence, higher caregiver burden reported among patients with MND and PD has therapeutic implications and has to be taken into consideration in developing management plans for these diseases. There were no studies found out that looked into the relationship between palliative outcome, and caregiver burden especially in India. Few studies have attempted to explore either one aspect of the study variable. More studies have focused on economic burden and cost associated with various neurological disorders.

Females have reported higher score in palliative care outcome which indicated that they have more physical symptoms, psychological, emotional and spiritual, and information and support needs compared to men. No studies were found to support this finding but male-female patient differences in the association between end-of-life discussions and receipt of intensive care near death[18] have been explored. It reiterates the further need to explore gender difference on the palliative care needs, and gender sensitive care.

Limitations

The present study, similar to other studies reported among other rare disease groups, had a small sample size. This might have influenced the results. The concept of palliative care is less understood and not well defined in neurodegenerative disorders hence the present study may be limited in using appropriate indicators for understanding palliative care needs. The present study does not explore the gap between identified needs and existing services. Among the respondents of the study the focus on the curative treatment was evident. In the absence of clearly speltout palliative care approach in the neurodegenerative disorders, lack of understanding and acceptance of palliative approach may have contributed to the results. Palliative care needs in neurodegenerative disorders are constantly changing and increases with progression of the disease. The research question of the present study can be better answered by longitudinal study that takes into account the changes across time.

Implications of the study

The findings of the study have several implications for Neuro palliative care. While the limitations of the study necessitate that the results be interpreted cautiously, it offers a good indication of intervention strategies that will help the patients diagnosed with neurodegenerative disorders to cope better with the disease. While the results are to be expected, the present study has provided the data substantiating the necessity on a palliative 'lens' while managing neurodegenerative disorders in India. Palliative care, by definition, encompasses care in different dimensions of life, i.e., physical, psychological, social, spiritual and emotional. As a field that is rapidly growing in knowledge base and practice strategies, psychosocial approach in neuro palliative care is an important area of practice. The use of a non-categorical approach in dealing with chronic diseases, with its emphasis on psychosocial outcomes ensures that the psychosocial issues are considered as part of the normative care, and not taken into account only when dysfunction is suspected. It also helps to identify specific times when support is necessary for the family.

In spite of the advances and research in medical technology, neurodegenerative disorders remain a group of diseases with limited chances of recovery. The illness and its disability are not transient or time limited, but relentless in its progression, with periodic crisis. The challenge for the individual patient and family is to live and cope with the consequences of the illness. Professionals who are trained in understanding and developing effective interventions related to human behavior, emotions, life cycle stages and tasks need to be deployed to provide effective management of the illness. When there is an imbalance in the life cycle in the form of the manifestations of the disease, what happens to the affected individual and the family? This understanding and appropriate interventions form the focus of the role of psychosocial professionals in neuro palliative care.


   Conclusion Top


There is a need for training in addressing the psychosocial care in end of life and working with individuals with chronic and terminal disorders and their families. Incorporation of such topics in the graduation and post-graduation curriculum can be implemented to sensitize the young clinicians to gain exposure to such issues and thus contribute to the quality of life of the patients and families.

Acknowledgments

This research was part of the MPhil in Psychiatric Social Work, in NIMHANS.

Financial support and sponsorship

Nil.

Conflicts of interest

There are no conflicts of interest.



 
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    Tables

  [Table 1], [Table 2], [Table 3], [Table 4], [Table 5]



 

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