Vol 18, No 1 (2024)
Review paper
Published online: 2023-07-12

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Non-pharmacological methods of treating depression in the elderly are effective and not toxic: a minireview

Mateusz Kalita1, Zbigniew Żylicz1
Palliat Med Pract 2024;18(1):38-42.

Abstract

Psychological depression is a frequent disorder still underdiagnosed and untreated in the elderly. It is treated like something that belongs to the last phase of life. Depression is known to compromise the quality of life near death. Pharmacological therapy is not always possible in this group because of frequent adverse effects and interactions with other drugs used and limited time until death. Besides pharmacological therapy, there are many non-toxic non-pharmacological therapies, more suitable for this population. These therapies, like cognitive behavioural therapy or mindfulness meditation therapy as well as many others, are confirmed to be effective and safe in this population. Some of these therapies are suitable for cognitively impaired patients.

Review

Non-pharmacological methods of treating depression in the elderly are effective and not toxic: a minireview

Mateusz KalitaZbigniew Żylicz
Faculty of Medicine, University of Rzeszów, Poland

Address for correspondence:

Zbigniew Żylicz

Faculty of Medicine, University of Rzeszów, Kopisto 2A, 35–315 Rzeszów, Poland

e-mail: bezyna55@gmail.com

Palliative Medicine in Practice 2024; 18, 1, 38–42

Copyright © 2024 Via Medica, ISSN 2545–0425, e-ISSN 2545–1359

DOI: 10.5603/PMPI.a2023.0026

Received: 10.06.2022 Accepted: 10.07.2023 Early publication date: 12.07.2023

This article is available in open access under Creative Common Attribution-Non-Commercial-No Derivatives 4.0 International (CC BY-NC-ND 4.0) license, allowing to download articles and share them with others as long as they credit the authors and the publisher, but without permission to change them in any way or use them commercially.

Abstract
Psychological depression is a frequent disorder still underdiagnosed and untreated in the elderly. It is treated like something that belongs to the last phase of life. Depression is known to compromise the quality of life near death. Pharmacological therapy is not always possible in this group because of frequent adverse effects and interactions with other drugs used and limited time until death. Besides pharmacological therapy, there are many non-toxic non-pharmacological therapies, more suitable for this population. These therapies, like cognitive behavioural therapy or mindfulness meditation therapy as well as many others, are confirmed to be effective and safe in this population. Some of these therapies are suitable for cognitively impaired patients.
Keywords: psychologic depression, treatment, non-pharmacologic, cognitive behaviour therapy, psychotherapy, mindfulness meditation
Palliat Med Pract 2024; 18, 1, 38–42

Introduction

Depressive disorders are a group of mental dis­orders, including symptoms such as lowered mood, guilt, pessimism, anhedonia, psychomotor retardation, diurnal rhythm and appetite disorders [1]. Some­times they are believed to belong to this phase of life. In the geriatric population, the risk factors for experiencing new depressive episodes were studied in 1408 elderly [2]. The most important were age, female gender, previous depression episodes, subjective memory impairment, dementia, anxiety and somatoform disorders [2]. The onset of clinical symptoms of depression contributes to the impairment of daily functioning. Depressive disorders can adversely affect life expectancy and quality as a result. It is estimated that depressive disorders occur in 10% of elderly people across the whole world [3]. It is probably much more frequent toward the end of life. Depression is frequently underdiagnosed and under-treated in older adults, often leading to premature death. The aetiology is more varied than in younger people. Also, patients with neurodegenerative disorders have a higher risk of developing depressive disorders, in Alzheimer’s disease the risk is increasing up to 50% [4]. The risk further increases if the patients are deficient in folic acid and/or vitamin B12 [5]. Older patients are most likely to seek psychotherapeutic help for problems such as relationship problems with loved ones, deterioration in health, experiences of loss, bereavement, financial problems and decline in general functioning, but not for depression [6].

The response rate for comprehensive treatment (which includes pharmacological, psychological, and social support) of depression in older adults is 8090% [5]. Although these optimistic data do not focus on end-of-life care. Successful treatment requires a holistic approach that includes pharmacotherapy, and non-pharmacological methods, such as art therapy and psychotherapy. In general, therapy leads to improved quality of life, increased functionality, possible improvement in health status, longer life, and lower healthcare costs [7]. Improvement should be evident after about two weeks of therapy, but full effects may require several months of treatment. Therapy in older patients is recommended to be continued longer than in younger patients, sometimes for the rest of their lives [8].

Special attention should be paid to the patients attending palliative care services [9, 10]. This is a specific patient population as their frequently limited time to death precludes treatment with pharmacologic therapies. They may, however, benefit from non-pharmacological therapies [11].

This paper shall review the suitability and evidence of the non-pharmacological methods of treatment of depression in the frequently cognitively impaired elderly population.

Psychotherapy in general

The primary non-pharmacological method of treating depression in patients is generic psychotherapy. It is used as a primary or adjunctive treatment method, depending on the patient’s health and the reported problem. Psychosocial methods like psychotherapy, have a small but statistically significant effect in reducing depressive symptoms among the elderly [12]. Additionally, it is important to note that the most efficacious are the combinations of pharmacotherapy and psychotherapy [13]. In both day- and in-patient geriatric wards, it is worth considering implementing individual as well as group psychotherapy for patients diagnosed with depression. Group psychotherapy should be conducted alongside individual therapy sessions and pharmacotherapy [14]. However, group psychotherapy for the elderly is an area that should be studied more thoroughly.

Cognitive behavioural therapy

One of the best-investigated and effective types of therapy for treating depressive disorders is cognitive-behavioural therapy (CBT). It involves identifying and changing negative thoughts and behavioural patterns, and then developing healthier coping strategies to deal with the impeding daily functioning symptoms of depressive disorders [15]. For geriatric patients, cognitive-behavioural therapy may be more adequate than standard drug treatment, as often older people with depression are reluctant to take antidepressants or unable to tolerate their adverse effects [5]. Under such circumstances, CBT offers a wide range of treatment options for these patients [16]. Cognitive-behavioural therapy in a systematic review appeared to be more effective than a placebo in the treatment of depression in the elderly [17].

Mindfulness meditation

Another well-researched form of therapy for depression in older adults is mindfulness meditation intervention (MMI) [6, 18]. Mindfulness meditation interventions have a purpose to raise greater awareness of present moment experience. During this process, the therapist tries to focus on what is happening now, instead of being distracted by thoughts of the surrounding world and problems. This approach can be developed through the regular practice of meditation or other exercises designed to enhance awareness and focus. This allows patients to experience the present moment more consciously and better manage their thoughts and emotions [19]. Mindfulness alleviates ruminations, i.e., recurring negative thoughts that are not directly related to current situations and do not contribute to understanding or clarifying a situation. It addresses an excessive autobiographical memory [20]. Mindfulness meditation intervention has demonstrated efficacy in alleviating symptoms of depression in older adults and can be used as an adjunct or alternative to conventional treatment for older adults with depression. In a systematic review of 19 studies including 1076 elderly patients MMI showed significant improvement in depression scores compared to controls [21].

Other therapies

Some patients with impaired cognition will be unable to respond to verbal therapies [22]. They may respond to music [23] or even dance therapies [24]. Regular dancing after six months can result in improvements in motor and cognitive functions. After this time, there is an increase in the thickness of the cortex of centres in the occipitotemporal lateral curve of the brain involved in visuomotor integration and imitation of actions, which are important for the automatic execution of learned movements [25]. Two systematic reviews concerning hundreds of studies revealed a positive effect of dance therapy on the treatment of depression in the elderly [26, 27]. This suggests that the effects of regular attendance at dance evenings will not only allow older people to reduce the clinical manifestations of depressive disorders and stress but may also help them function physically on a daily basis. Dance therapy can have similar positive effects as mindfulness therapy in the treatment of depression in the elderly [28]. This evidence is straightforward. There is only a question of whether patients attending palliative care services (may be the day-care-centres) would be able to benefit from this.

Potential for improving mental health has been demonstrated by practising yoga, which allows patients to better control their stress levels, anger, anxiety and depressive symptoms and increase their state of well-being, among other things [29]. The long-term use of a combination of yoga and CBT also has beneficial effects on geriatric patients with depression, anxiety and sleep disorders [30]. Laughter yoga is a unique variation of yoga in which laughter is induced through exercise, breathing techniques, movement, eye contact and an atmosphere of childlike play, positively affecting mood and spirituality. A decrease in anxiety and depressive symptoms has been observed in those who participate in such activities [31, 32].

Spiritual care

As the years pass and experiences accumulate, many elderly people face reflection on the essence of their own existence, seeking deeper answers to ques­tions about the meaning of life, values and spiritual needs. Spirituality and religiosity form an important foundation in the lives of these individuals, yet they are often underestimated in the context of coping with depressive disorders in old age [33, 34]. Fostering one’s spiritual sphere combined with religiosity has a beneficial effect on elderly patients struggling with depression. Nevertheless, further research is needed in the context of other religious faiths [35].

Controversies around the non-pharmacological methods

Despite great interest in non-pharmacological treatments of depression, none of these methods was tested as extensively as newer antidepressants. For example, newer antidepressants were tested by the break of the millennium on over 30,000 patients in 315 trials [36] while cognitive behavioural therapy, the most extensively studied non-pharmacological method, on only 2 765 patients in 48 much smaller trials [37]. These proportions remained unchanged for the next decades. So, the non-pharmacological treatments of depression may be non-toxic, but their efficacy remains less well established.

The studies attempting to evaluate the non-pharmacological treatments of depression suffer some common deficiencies such as lack or insufficient blinding, small sample size, short follow-up and failure to use intent-to-treat analysis. Although the results were extrapolated from the general population, there is still not enough evidence for special groups like the palliative care population.

In a questionnaire survey, 535 psychiatric patients treated for depression were asked to rate the importance of 16 statements. In their response, the patients stated that symptom control as measured by depression scales was equally important as optimism, self-confidence and return to normal self [38]. This may be valid for both pharmacological and non-pharmacological treatments, but it is not certain what is measured in the trials. All trials aim it achieve control of symptoms of depression, but this is not the same as being happy. Available data achieved in clinical trials may be only a superficial or easily measurable surrogate of the effects that matter for the patients.

Moreover, treatment for depression has been shown to improve the quality of life in the acute treatment phase, but it is questionable whether the quality of life remains at this level even if symptoms of depression are still in remission following treatment [39].

Notwithstanding these controversies and methodological hesitancies, it should be stated that especially for palliative care patients the non-pharmacological methods of treatment of depression may be valuable as they are easily available in any setting and they are non-toxic.

Conclusions

Non-pharmacological methods of treating depression in elderly patients are important for improving quality of life and reducing depressive symptoms. Additional activities can be an effective addition to pharmacologic therapy. Also, issues related to spirituality and religiosity are extremely complex, and attending to this aspect in patients can yield promising results. The indications, benefits and risks analysis of specific treatments should be evaluated on a case-by-case basis, considering the patient’s preferences cognitive abilities, values and beliefs. It is worthwhile to continue research in the search for more effective treatments for depression in geriatric patients and include the study of topics such as group psychotherapy for the elderly, as it can contribute to enhancing their well-being and overall functioning.

Article information and declarations

Author contributions

This paper is an extended essay written by a student of the 5th grade, in the Faculty of Medicine at the University of Rzeszow (MK). Professor (ZŻ) was his mentor, he formulated the subject and corrected and supported the first author.

Funding

None.

Conflict of interest

The authors declare no conflict of interest.

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