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  • Title: Predicting one and three month postoperative Somatic Concerns, Psychological Distress, and Maladaptive Eating Behaviors in bariatric surgery candidates with the Minnesota Multiphasic Personality Inventory-2 Restructured Form (MMPI-2-RF).
    Author: Marek RJ, Ben-Porath YS, Merrell J, Ashton K, Heinberg LJ.
    Journal: Obes Surg; 2014 Apr; 24(4):631-9. PubMed ID: 24421155.
    Abstract:
    BACKGROUND: Presurgical psychological screening of bariatric surgery candidates includes some form of standardized psychological assessment. However, associations between presurgical psychological screening and postoperative outcome have not been extensively studied. Here, we explore associations between presurgical Minnesota Multiphasic Personality Inventory-2 Restructured Form (MMPI-2-RF) scores and early postoperative Somatic Concerns, Psychological Distress, and Maladaptive Eating Behaviors. METHODS: The sample consisted of male (n = 238) and female (n = 621) patients who were administered the MMPI-2-RF at their presurgical psychological evaluation and received bariatric surgery. Patients were evaluated at their 1- and 3-month postoperative appointments. RESULTS: Confirmatory factor analysis indicated that three latent constructs-somatic concerns, psychological distress, and maladaptive eating behaviors-were represented by responses to a postoperative assessment and that these constructs could be measured consistently over time. Presurgical scores on MMPI-2-RF scales measuring internalizing dysfunction were associated with more psychological distress at postoperative follow-ups, scores on scales measuring somatization were associated with more postoperative somatic concerns, and scores on scales assessing emotional/internalizing, behavioral/externalizing, cognitive complaints, and thought dysfunction prior to surgery were associated with maladaptive eating behaviors after surgery. CONCLUSIONS: In conjunction with a presurgical psychological interview, the MMPI-2-RF provides information that can assist in anticipating postoperative outcomes and inform efforts to prevent them.
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