Changes in maladaptive cognitions may constitute therapeutic processes of multidisciplinary pain programs. A cross-lagged panel design was used to determine whether (a) early-treatment cognitive change predicted late-treatment outcome index change, but not vice versa; and (b) these effects remained significant with depression change controlled. Ninety chronic pain patients, in a 4-week multidisciplinary program, completed measures of catastrophizing, pain helplessness, depression, pain, interference, and activity level at pre-, mid-, and posttreatment. With depression changes controlled, early-treatment catastrophizing and pain helplessness changes predicted late-treatment outcome index changes, but not vice versa; early-treatment depression changes predicted late-treatment activity changes, but not vice versa. Findings advance understanding of pain treatment process and suggest that negative cognition changes may indeed affect improvements in treatment outcome.
Anger management style (AMS) is related to both acute and chronic pain intensity. Recent work suggests that an anger expressive AMS in particular may influence acute pain, and that this effect may be most pronounced during anger provocation. The present study examined whether AMS was related to subsequent pain sensitivity without regard to prior emotion induction, only when a strong negative emotion was evoked, or only when anger was provoked. Sixty-four healthy normals partook in semi-structured interviews in which they recalled and verbally described an event in which either anger, sadness, or joy was elicited. They then underwent a cold pressor pain task. Results of hierarchical multiple regressions showed that an anger expressive AMS was related positively to pain threshold only for participants in the anger-recall condition, and that this effect was largely accounted for by their low SBP reactivity during emotion induction. An anger suppressive AMS was related positively to increases in self-reported pain severity, irrespective of emotion-induction condition, and this effect was not accounted for by reactivity in any cardiovascular index. Results extend those of previous studies by illuminating the potential importance of behavioral anger expression for individuals prone to express anger in modulating their reactivity and pain sensitivity. Findings suggest that the detrimental effects of an anger expressive style on pain sensitivity may be ameliorated under conditions in which behavioral anger expression occurs. Results are discussed in terms of recent work suggesting that an expressive AMS is associated with endogenous opioid dysfunction in the absence of behavioral anger expression.
The authors proposed that chronic pain patients with repressive defenses are not represented in current 3-cluster solutions of the Multidimensional Pain Inventory (MPI; R. D. Kerns, D. C. Turk, & T. E. Rudy, 1985) and that such a group can be distinguished by using a measure of defensiveness together with subscales of the MPI. They expected these patients to be described both by high defensiveness and by elevated pain and disability but minimal emotional distress. For 178 pain patients, hierarchical cluster analyses were performed on the MPI and Balanced Inventory of Desirable Responding (D. L. Paulhus, 1984). A 3-cluster solution replicated past findings in identifying dysfunctional, interpersonally distressed, and adaptive coper groups. A 4-cluster solution fit the data better, with a repressor group described by high pain, low activity and low distress emerging from the dysfunctional group. Profile analysis of validation measures showed that repressors scored comparably with dysfunctional patients on somatic symptoms of depression, pain severity, and perceived disability but significantly higher on these factors than the adaptive copers. Repressors scored comparably with adaptive copers on cognitive-affective symptoms of depression, anxiety, and anger but significantly lower on these variables than dysfunctional patients. Repressors also reported greater pain severity and perceived disability relative to their reports of negative affect, whereas dysfunctional and adaptive coper groups exhibited no such disparities. Without a measure of defensiveness, the MPI may misclassify a distinct group of patients as dysfunctional, but who readily endorse physical symptoms yet report low levels of emotional distress.
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