Interactive Guided ImagerySMTherapy with Medical Patients: Predictors of Health Outcomes

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Abstract
To assess whether Interactive Guided Imagery (IGI) is helpful to medical patients and to identify factors that contribute to positive outcomes. A prospective cohort study of 323 medical patients who received 6 IGI sessions on a weekly basis. Patients and practitioners completed questionnaires at the beginning, middle, and end of the 6 IGI sessions. The questionnaires assessed the patients' ability to do IGI, the quality of the practitioner-patient interaction, possible confounding variables, and enabling factors. The hypothesis was that measures of the process of doing IGI and the practitioner-patient relationship would predict outcomes. The subjects were all patients seeking treatment at California Pacific Medical Center in San Francisco, and Marin General Hospital in Greenbrae, CA. Using IGI interactively is a cognitive-behavioral intervention designed to help patients relax by using mental images to discover and cultivate healing intentions, and to reflect on the meaning of these images. The individual measures to assess the patients' ability to do IGI and measures of the practitioner-patient relationship were factor-analyzed to use as predictor variables in a multiple regression. Similarly, the questionnaire items measuring cognitive, emotional, behavioral, and spiritual benefits of IGI were factor-analyzed into factors representing "insight" and "all other" benefits. The multiple regression shows that both process and practitioner-patient interaction factors significantly contributed to a combined 40% of the variance in patients' ratings of insight into the nature of their problem and to becoming aware of an aspect of self, F(4,56) = 9.4, p < 0.005. The same process and interaction factors were less strongly related to the other outcomes, r2 = 0.14, F(4,56) = 2.3, p = 0.06. None of the demographic, confounding, or enabling factors was related to the outcome measures. The process of doing IGI and the relationship with the practitioner were both independently associated with the patients' insight into their health problems.