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BrJP

Print version ISSN 2595-0118On-line version ISSN 2595-3192

BrJP vol.3 no.2 São Paulo Jan./Mar. 2020  Epub June 08, 2020

http://dx.doi.org/10.5935/2595-0118.20200028 

REVIEW ARTICLE

Spirituality in coping with pain in oncological patients: systematic review

Sharon Shyrley Weyll Oliveira1  2 
http://orcid.org/0000-0002-3388-9710

Rayzza Santos Vasconcelos3  4 
http://orcid.org/0000-0001-9276-3731

Verônica Rabelo Santana Amaral4 
http://orcid.org/0000-0003-1657-0254

Katia Nunes Sá2 
http://orcid.org/0000-0002-0255-4379

1Universidade Estadual de Santa Cruz, Departamento de Ciências da Saúde, Ilhéus, BA, Brasil.

2Escola Bahiana de Medicina e Saúde Pública, Programa de Pós-Graduação em Medicina e Saúde Humana, Salvador, BA, Brasil.

3Universidade Estadual de Santa Cruz, Programa de Pós-Graduação em Ciências da Saúde, Ilhéus, BA, Brasil.

4Universidade Federal do Sul da Bahia, Programa de Pós-Graduação em Saúde Coletiva, Itabuna, BA, Brasil.


ABSTRACT

BACKGROUND AND OBJECTIVES:

The relationship between spirituality and cancer coping is still a challenge for comprehensive health care. Therefore, it is necessary to analyze whether the level of spirituality directly interferes with clinical markers, such as pain intensity in people with cancer. The present study aims to investigate the relationship between spirituality and pain coping and the strategies used in adult cancer patients.

CONTENTS:

This is a systematic review, registered in the International Prospective Register of Systematic Reviews: CRD42018108835. The search was performed in Pubmed, Medline, LILACS, Scielo, and ScienceDirect databases until May 2019, available in all languages. The search strategy was defined for the PubMed database as a parameter: (neoplasms or cancer) AND (spirituality) AND (pain). Adults patients with cancer of both genders who faced pain were studied. Studies that did not address the pain associated with spirituality were excluded. Of the 588 studies found, 13 were eligible. Among these, nine studies showed that spirituality contributes to positive pain coping. Regarding the level of spirituality, higher spiritual well-being was associated with lower pain intensity in three studies. The spiritual strategies used were mindfulness, meditation, relaxation, prayer, support from religious leaders and members.

CONCLUSION:

Despite the few studies found, the findings broaden the knowledge about the positive relationship between spirituality and pain coping and underline the spiritual strategies for the management of this health condition in cancer patients.

Keywords: Cancer Pain; Neoplasms; Spirituality

RESUMO

JUSTIFICATIVA E OBJETIVOS:

A relação entre espiritualidade e enfrentamento do câncer ainda é um desafio para o cuidado integral em saúde. Portanto, é necessário analisar se o nível de espiritualidade interfere diretamente nos marcadores clínicos, como na intensidade da dor em pessoas com câncer. O presente estudo teve como objetivo analisar a relação da espiritualidade com o enfrentamento da dor e as estratégias utilizadas em pacientes adultos oncológicos.

CONTEÚDO:

Trata-se de uma revisão sistemática, com registro na base International Prospective Register of Systematic Reviews: CRD42018108835. A busca foi realizada nas bases: Pubmed, Medline, LILACS, Scielo e ScienceDirect até maio de 2019, disponíveis em todos os idiomas. A estratégia de pesquisa foi definida para o banco de dados Pubmed como um parâmetro: (neoplasms or cancer) AND (spirituality) AND (pain). Foram estudados adultos com neoplasias, de ambos os sexos, que enfrentam a dor. Os estudos que não abordaram a dor associada à espiritualidade foram excluídos. Foram encontrados 588 estudos, sendo 13 elegíveis. Entre esses, nove estudos mostraram que a espiritualidade contribuiu no enfrentamento positivo da dor. Com relação ao nível de espiritualidade, o maior bem-estar espiritual esteve associado com menor intensidade da dor em três estudos. As estratégias espirituais utilizadas foram, mindfulness, meditação, relaxamento, oração, suporte de líderes e membros religiosos.

CONCLUSÃO:

Apesar dos poucos estudos encontrados, os achados ampliam o conhecimento sobre a relação positiva da espiritualidade com o enfrentamento da dor e evidencia as estratégias espirituais para o manejo dessa condição de saúde em pacientes oncológicos.

Descritores: Dor do câncer; Espiritualidade; Neoplasias

INTRODUCTION

Neoplasia is the second leading cause of mortality in Brazil, standing behind only to cardiovascular diseases1. For people with cancer, the challenge begins with the diagnosis, when negative feelings such as fear, anxiety, depression, hopelessness, and aggressiveness emerge, requiring the reduction of emotional overload, with coping strategies, to achieve psychic rebalancing2,3.

Coping is a process by which the individual manages the demands of the person-environment relationship assessed as stressful and the emotions they create, being classified into coping focused on the problem and emotion, although they often occur simultaneously, and can be mutually facilitators4. Among the coping strategies, it is common for cancer patients to adopt religious and spiritual ones to deal with stress, to relieve suffering and increase hope5,6.

Although distinct, spirituality and religiosity are interconnected, since spirituality consists of the human being’s search for the meaning of life, contemplating aspects related to nature, culture, society, among others. Yet, religiosity is characterized by the segment of norms and doctrinal principles defined by an entity, with attitudes of devotion, belief, and effort to live a religious life7.

Spirituality helps people in vulnerable conditions to survive with pain and hold everyday situations by reframing the experiences they live8. Thus, spiritual care allows alleviating cancer pain, which, despite being a physical symptom, encompasses other dimensions, and its effective treatment is not limited to pharmacological therapy. Several contemporary studies have confirmed that spirituality is a determining factor in the health of this population9-11.

Cancer patients often experience severe, multifactorial pain associated with the tumor, drugs, and the existence of previous painful conditions. Spirituality influences the resilience capacity to face the illness/death and treatment process12. However, the relationship between spirituality and coping with cancer is still a challenge for comprehensive health care, which is why it is necessary to analyze whether the level of spirituality directly interferes with clinical markers, such as pain intensity.

The guiding questions of this research were: does spirituality appear as a way of coping with pain in adults undergoing cancer treatment? Do different levels of spirituality influence the intensity of the pain? What spiritual strategies are chosen?

Therefore, this study aimed to analyze the relationship between spirituality and coping with pain and to identify the strategies used in adult cancer patients.

CONTENTS

The study was carried out according to the guidelines outlined by PRISMA. Its protocol was registered in the International Prospective Register of Systematic Reviews (PROSPERO): CRD42018108835. The Problem-Exposure-Control-Outcome (PECO) strategy was adopted for data collection and analysis.

Searches for articles were carried out in the Pubmed, Medline, LILACS, Scielo, and ScienceDirect databases until May 2019, available in all languages. The search strategy was defined for the Pubmed database as a parameter for the other searched databases. Therefore, the search strategy for Pubmed: (neoplasms or cancer) AND (spirituality) AND (pain).

At first, due to the low number of articles located in this design, clinical trials were chosen as the criterion, it was decided to include observational studies, and the eligibility criteria were: case reports; clinical study; clinical trial; clinical trial, phase I; clinical trial, phase II; clinical trial, phase III; clinical trial, phase IV; comparative study; controlled clinical trial; multicenter study; observational study and pragmatic clinical trial. It was studied adults over 18 years of age, of both genders, with neoplasia and experiencing pain. Studies that did not address the pain associated with spirituality were excluded.

Selection of articles

Two researchers independently searched the databases and, following the proposed criteria, selected the articles. Initially, the selection was based on reading the titles and abstracts, using a standardized spreadsheet method. In a second step, the full text was read, with the subsequent methodological quality assessment. At the end of each stage, the reviewers met and submitted their results for comparison. The discrepancies were discussed, and, in cases where they were not resolved, a third reviewer was consulted to clarify doubts.

Evaluation of the methodological quality

For the assessment of the methodological quality, two reviewers independently used the instrument developed by Loney for cross-sectional studies; the quality criteria defined by authors13 for case report; the Newcastle-Ottawa Scale (NOS) for cohort studies; the check-list proposed by Downs and Black for randomized and non-randomized clinical trials14,15.

The evaluation of cross-sectional studies consisted of the items sample, source of the sample, sample size, measurement of the outcome, impartial interviewer, response rate, the prevalence with CI95%, and similar participants, in which each appropriate item received a point13. Studies with seven to eight points were considered of high methodological quality, those with four to six points were of moderate quality, and studies with zero to three points were of low quality. The NOS, consisting of eight items and three dimensions - selection, comparability, and outcome, was developed by Wells to evaluate cohort and case-control studies. The total score can vary from zero to nine stars, where a star corresponds to one point, and two stars can be assigned to the comparability dimension. Studies between six and nine points were considered of high methodological quality, four and five points with moderate quality, and less than four points with low quality16-18.

The checklist for randomized and non-randomized clinical trials consists of 27 items with the domains reporting, external validity, bias, selection and power bias, with each item scoring zero or one, except for item five that can score zero, one or two. The studies with a score equal to or greater than 20, were considered of high quality, 15 to 19 of moderate quality and less than or equal to 14 points low quality14,15.

The evaluation of the case reports was based on the eight proposed items19. The items involve diagnosis, consent, approval by the ethics committee, details of the intervention, relevant clinical outcomes, patient perception, associated risks, eligibility criteria. Each item received one point when met, which are stratified at cut points equal to those of cross-sectional studies in high, medium, and low methodological quality. The scores obtained in the instruments were not used as an exclusion criterion for the articles but as indicators of the methodological quality of the studies.

Characteristics of the studies

Figure 1 summarizes the search process and the identification of relevant studies. The electronic search strategy retrieved 588 studies; of these, 512 were excluded after reading the title and abstract for not meeting the eligibility criteria, and eight for being duplicated. Thus, the full analysis of 68 studies was carried out, and of that process, 13 studies20-32 met the eligibility criteria and were included in the review.

Figure 1 Flowchart of the steps of the systematic review recommended by PRISMA 

The 13 articles included were published from 2007 to 2018, mostly between 2012 and 2018. There was a higher concentration of studies in the United States20,23-26. The sample size varied between 1 and 883 participants. The average ages were from 43 to 65 years; in nine studies(20,23-25,27-30,32 )where the participants were men and women, and in the others only women. Regarding the design, nine studies are cross-sectional23-26,28-32; two are clinical trials22,27; one is a case study21 and two are cohort studies20,28. As for the place of selection of the participants, most were selected in a hospital22,25,27-30,32. Table 1 shows the characteristics of these studies.

Table 1 Characterization of the studies included in the systematic review 

Authors Country Population Design Sample selection location
n Average ages (years) Gender
Edman et al.20 USA 353 55 F-76.4%
M-23.6%
Cohort Integrative Medicine Center
Silva et al.21 Brazil 1 43 F-100% Case report Home
Jafari et al.22 Iran 65 47.9 F-100% Randomized Controlled Clinical Trial Cancer reference hospital
Rabow and Knish23 USA 883 65.6 F-54.1%
M-45.8%
Cross-sectional Cancer care center
Buck and Meghani24 USA 42 57.5 F-52%
M-48.
Cross-sectional -
Bai et al.25 USA 102 55.2 F-90%
M-100%
Cross-sectional Cancer hospital and Medical Center
Zavala et al.26 USA 86 -. M-100% Cross-sectional Support program
Ando et al.27 Japan 28 60 F-85.7%
M-14.3%
Non-randomized clinical trial General Hospital
Visser, de Jager Meezenbroek and Garssen28 Netherlands 660 (S1*
59)
(S2 ** 59)
(S1*
F-78%
M-22%
S2**
F-73%
M-27%
S1 * cross-sectional
S2 ** longitudinal
Hospital and Institution of Radiotherapy
Mystakidou et al.29 Greece 63.3 F-42.7%
M-57.3%
Cross-sectional Hospital - Palliative Care Unit
Jagannathan and
Juvva30
India 80 - F-16.7%
M-83.3%
Cross-sectional Cancer Hospital - Ward
Furlan et al.31 Brazil 3 55 F-100% Cross-sectional Manoel Ribas Municipality - PR
Gielen, Bhatnagar and Chaturvedi32 India 300 - F-48.3% M-50.7% Cross-sectional Hospital - Pain Clinic

*Study 1

**Study 2

USA = United States of America; F = Female; M = Male; PR = Paraná.

Among the studies evaluated by the instrument proposed by Loney, four26,28,29,32 achieved moderate methodological quality; five23-25,30,31 obtained low quality. As for the studies analyzed by the NOS, both25,28 presented moderate quality. The clinical trials22,27 evaluated by the Downs and Black checklist showed low and moderate methodological quality (Table 2). The most used instrument to measure spirituality was the Functional Assessment of Chronic Illness Therapy - Spiritual Well-Being - FACIT-Sp22,25-27, and the numerical scale was used to assess pain20,27,32. A semi-structured interview was used to assess both spirituality and pain in three studies24,30,31(Table 2).

Table 2 Instruments and evaluation of the methodological quality of the included studies 

Authors Instruments Methodological
evaluation
Pain Spirituality
Edman et al.20 Numeric scale Guiding questions 5/9 - moderate
Silva et al.21 Visual analog scale Not used 3/8 - low
Jafari et al.22 QLQ-C30 FACIT - Sp 15/28 - moderate
Rabow and Knish23 Assessment System Are You at Peace? 3/8 - low
Buck and Meghani24 Semi-structured interview 2/8 - low
Bai et al.25 Brief Pain Inventory FACIT - Sp 3/8 - low
Zavala et al.26 SF-12 FACIT - Sp 5/8 - moderate
Ando et al.27 Numeric scale FACIT - Sp 13/28 - low
Visser, by Jager Meezenbroek and Garssen28 Visual analog scale and
QLQ-30
SAIL S1* 4/8 - moderate
S2** 5/9 - moderate
Mystakidou et al.29 BPI SIBS 4/8 - moderate
Jagannathan and Juvva30 Semi-structured interview 1/8 - low
Furlan et al.31 Semi-structured interview 3/8 - low
Gielen, Bhatnagar and Chaturvedi32 Numeric scale Spirituality quest. Indian Palliative. Care Patients 5/8 - moderate

*Study 1

**Study 2

SF-12 = Short-Form Health Survey; FACIT - Sp = Functional Assessment of Chronic Illness Therapy - Spiritual Well -Being; QLQ-30 = Quality of Life Questionnaire-C30; SAIL = Spiritual Attitude and Involvement List; SIBS = Spiritual Involvement and Beliefs Scale; BPI = Brief Pain Inventory.

The relationship between spirituality and pain was significant in six studies. Nine studies21-23,25-28,31,32 showed that spirituality contributes to the positive coping of pain. Only one29 sought correlations between spirituality and pain, but without significant results. Three studies20,24,30 suggested that the profile of cancer patients with pain who seek spirituality is more related to social class and ethnicity (Table 3).

Table 3 Description of the main findings of the studies identified in the systematic review 

Authors Outcomes Spiritual strategies
Edman et al.20 Average pain was found more in cancer patients who sought spirituality than those who did not seek this care. ---
Silva et al.21 Spirituality was essential for the positive coping of pain. Shared reading of the word of God (Bible), worship, and hymns of praise.
Jafari et al.22 Participation in a spiritual therapy program is associated with better coping with pain. Relaxation and meditation, performed by spiritual healers.
Rabow and Knish23 High spiritual well-being helps in coping with pain. Guidelines for spiritual well-being.
Buck and Meghani24 The use of spirituality in coping with pain is prevalent in African American and white ethnicities. ---
Bai et al.25 Spirituality is associated with better coping with pain. ---
Zavala et al.26 High levels of faith, combined with a high sense of peace and meaning, have resulted in better coping with pain. ---
Ando et al.27 Spiritual well-being is associated with coping with pain. Meditation (mindfulness).
Visser, de Jager Meezenbroek and Garssen28 Patients coped with pain through spirituality in a moderate way. ---
Mystakidou et al.29 There was no correlation between spirituality and pain. ---
Jagannathan and Juvva30 The patients had a firm faith in the doctor, and the population with the lowest income used prayer and meditation strategies. Prayer, meditation, and keeping faith in the doctor.
Furlan et al.31 Patients used spirituality to cope positively with pain. Advice from members and religious leaders and prayer.
Gielen, Bhatnagar and Chaturvedi32 Spirituality is a good mechanism for coping with pain. ---

Due to the heterogeneity of the data, it was not possible to perform quantitative analyzes of the studies. Regarding the level of spirituality, greater spiritual well-being was associated with less pain intensity in three studies. The reduction in pain intensity measured quantitatively by the visual analog scale (VAS) was evidenced only in one study. The two experimental studies22,27 aimed at showing whether the type of spiritual strategy used would be effective in reducing pain intensity, pointing out that mindfulness and Spiritual Therapy programs, composed of meditation and relaxation, were strategies that promoted pain relief.

In this summary of the literature data on the relationship between spirituality and coping with pain in cancer patients, we sought to analyze spiritual strategies with evidence for pain management in this health condition. Few studies fill this gap, most of them with cross-sectional design and low to moderate methodological quality. However, most authors admit that positive spiritual strategies have a beneficial effect on pain control in cancer patients.

Only three studies showed statistical differences between groups that use spiritual strategies and those that only adopt biomedical behaviors. The lack of homogeneity in the studies prevented the use of metanalysis for their assessment. However, most studies on the topic are still in the observation phase. It is necessary to move towards clinical trials that can test hypotheses in a controlled manner. The few findings, so far, point to promising results for the recommendation of its indication in health services in addition to religious institutions. Meditation practices and body relaxation techniques have been adopted with positive results9,27,33, even though they lack methodological standardization.

Social class and ethnicity seem to influence the choice of using spiritual strategies to cope with pain in this health condition. Afro-descendant groups have a rich culture of spiritual rites and practices24,34. However, the lack of education, socioeconomic factors, and the lack of other resources, such as the absence of more potent painkillers due to the high cost, lead these people to seek spiritual strategies as the only alternative. In any case, it is worth mentioning that the lack of alternatives can lead people with cancer pain to find an effective resource to deal with the problem.

Spiritual strategies, such as meditation and relaxation practices, are increasingly common in contemporary health systems. However, people with less education and unfavorable socioeconomic conditions are unaware of these types of services30,35. It is known that spiritual practice is related to physiological responses in the hypothalamic-pituitary-adrenal axis, by reducing the adrenocorticotrophic hormone and cortisol, and consequently reducing stress, which may be related to pain36.

The choice to use a spiritual activity is very personal and is related to the system of beliefs, values, customs, behaviors, and sociocultural attitudes37. When comparing cancer patients who sought integrative medicine and the inclusion of spiritual practices as part of the treatment with those who did not want this aspect of care, it was found that patients who sought the service for spiritual reasons had more pain, depression, and stress than the other group20. It is possible that, while pain is at the limit of control with other approaches, spirituality is disregarded, only entering the list of choices when the situation is already out of control.

The advanced clinical stage in cancer causes spiritual conflicts38, which naturally leads to the search for spirituality to alleviate this feeling and improve the quality of life39. Spiritual coping strategies have been identified as beneficial for people in pain, being associated with greater tolerance, better mood, and well-being40. The findings of the present study confirm the hypothesis that spiritual practices are linked to the search for solutions when ill, in an attempt to relieve the suffering created by the disease, which may be based on their beliefs, regardless of religion; they consider that these strategies are of daily use, such as going to church, relying on family and friends, praying, reading the Bible, among others41.

Unfortunately, many studies that address the topic have a typical conflict of interest of being carried out by practitioners and leaders of a specific religion or philosophy. Reading religious texts on the “word of God” or specific hymns and cults can create resistance on the part of unbelieving patients or those belonging to a different faith system. Many dogmas can clash with one another. Therefore, spirituality should not be a synonym for religion42. Religion is dogmatic; however, aspects such as optimism, hope, resilience, acceptance, among others, are more related to high levels of spirituality. Higher levels of spirituality can be obtained both in religious paths and in spiritual practices43,44.

Important spiritual strategies were revealed when exploring the relationship of coping with pain through spirituality, the main ones being meditation and relaxation techniques. Spiritual strategies are those activities that seek to strengthen the meaning of life, faith or existential components, peace with oneself, and with others45. Patients resort to different practices as needed. However, it is clear that mindfulness, meditation, and prayer are the most used to bring a feeling of comfort and strength46.

Meditation is an effective strategy in stressful situations, such as cancer diagnosis and treatment. Among the various techniques, mindfulness stands out, which seeks to concentrate on a reference point through breathing, movements, body sensations, or mantras47. A non-randomized clinical trial showed that the use of this meditation was a beneficial strategy to improve spiritual well-being and reducing the intensity of pain22. In addition to meditation itself, relaxation techniques have also been effective in controlling pain in mastectomized women22. The lack of quantification of pain in that study creates an absence of evidence. For this reason, further studies should be conducted to provide the necessary support for the incorporation of this practice by health teams.

In one of the selected studies, cancer patients undergoing mastectomy sought support from religious leaders and members31. In India, the lowest income population used firm faith in the doctor, praying, and meditation as a strategy to cope with pain while those with the highest income kept with conventional treatment with the use of drugs30. It is likely that personal belief in an external entity, be it the doctor or God, may favor self-regulatory processes48.

Pain is a common physical symptom in cancer patients, which can go beyond the psychosocial dimension. Traditional treatment consists of using analgesic and opioid drugs to relieve physical symptoms, although psychological conflicts are capable of interfering with pain control38. Pain intensity is greater in anguished cancer patients when compared to those who trust in the future and God, corroborating that spirituality is a good mechanism for coping with pain32.

In the case report analyzed21, whose goal was to present the integration of spiritual aspects to the health and disease process of a female patient with pancreatic cancer, evangelical and former “mãe de santo” (a religious leader of some African-Brazilian religions) for 27 years. She realized that the use of painkillers, together with reading the Bible, prayer, and meditation, influenced the reduction of pain. The intensity was reduced from level seven to nine to level zero after follow-up. However, the pain returned influenced by the chronic nature of the disease and by the existence of spiritual and family conflicts, after spiritual assistance by a multidisciplinary team. Even so, the pain remained controlled and, later, the patient died calmly and peacefully. Although one case study does not contribute with evidence, they are important as initial exploratory studies that can point the way to prospective studies. Nonetheless, this case represents another confirmation of the impact of spirituality on cancer patients’ pain.

The important limitation pointed out in the present review is directed to the low amount of scientific studies on the theme involving spirituality and pain in cancer patients. Moreover, the methodological quality of most studies was considered low. However, it is worth mentioning that the review strictly followed the current recommendations for the preparation of systematic reviews, which supports the robustness of the results. It is important to carry out new studies with experimental design and representative samples to investigate the effect of spirituality on cancer patients’ pain.

CONCLUSION

The present study expanded the knowledge about the relationship between spirituality and pain treatment in cancer patients, encouraging patients, health professionals, caregivers, and family members to adopt spiritual strategies.

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Received: October 01, 2019; Accepted: March 15, 2020

Correspondence to: Sharon Shyrley Weyll Oliveira, Univ. Estadual de Santa Cruz - Departamento de Ciências da Saúde-Campus Soane Nazaré de Andrade, Rod. Jorge Amado, Km 16 - Salobrinho, 45662-900 Ilhéus, BA, Brasil. E-mail: sharonweyll@gmail.com

Conflict of interests: none - Sponsoring sources: none.

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