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Influence of Islamic religion and spirituality on the well-being and quality of life of cancer patients: a meta-analysis and a hypothetical model of cerebral mechanisms

Influência da religião e da espiritualidade islâmica no bem-estar e na qualidade de vida de pacientes com câncer: uma metanálise e um modelo hipotético de mecanismos cerebrais

ABSTRACT

Objective:

To systematically analyze quantitative data about the effects of religion/spirituality and the well-being/quality of life of cancer patients. The second aim was to hypothesize a neurophysiological model of the association between religion/spirituality and the brain.

Methods:

This study met the PRISMA Statement and was registered at PROSPERO database. Randomized and Controlled trials investigating religion/spirituality and well-being/quality of life of cancer patients were included. Based on neuroimaging and neurophysiology studies, a neuroanatomical model was developed to hypothesize the relationship between neuroscience and religion/spirituality.

Results:

A large effect size was found on the improvement of well-being/quality of life (SMD = 3.90 [2.43-5.38], p < 0.01). Heterogeneity was high among studies (I2 = 98%, p < 0.01). Specific regions of the brain, such as the temporal lobes, amygdalae and hippocampus, regions from the limbic system, were hypothesized to take part in the religion/spirituality phenomena and the well-being/quality of life improvement.

Conclusion:

Religion/spirituality intervention, mainly the Islamic, promotes an improvement on well-being/quality of life of cancer patients.

KEYWORDS
Religious beliefs; spiritual therapies; quality of life; neoplasms; cancer

Instituto de Psiquiatria da Universidade Federal do Rio de Janeiro Av. Venceslau Brás, 71 Fundos, 22295-140 Rio de Janeiro - RJ Brasil, Tel./Fax: (55 21) 3873-5510 - Rio de Janeiro - RJ - Brazil
E-mail: editora@ipub.ufrj.br