Persistent postsurgical pain (PPSP) is a major clinical problem with significant individual, social, and healthcare costs. The aim of this study was to examine the role of demographic, clinical, and psychological risk factors in the development of PPSP after hysterectomy due to benign disorders. In a prospective study, a consecutive sample of 186 women was assessed 24 hours before surgery (T1), 48 hours after surgery (T2), and 4 months after surgery (T3). Regression analyses were performed to identify predictors of PPSP. Four months after hysterectomy, 93 (50%) participants reported experiencing pain (numerical rating scale >0). Age, pain due to other causes, and type of hysterectomy emerged as significant predictive factors. Baseline presurgical psychological predictors identified were anxiety, emotional illness representation of the condition leading to surgery, and pain catastrophizing. Among the identified psychological predictors, emotional illness representation emerged as the strongest. Acute postsurgical pain frequency and postsurgical anxiety also revealed a predictive role in PPSP development. These results increase the knowledge on PPSP predictors and point healthcare professionals toward specific intervention targets such as anxiety (presurgical and postsurgical), pain catastrophizing, emotional illness representations, and acute pain control after surgery.Perspective: This study found that presurgical anxiety, emotional illness representations, and pain catastrophizing are risk factors for PPSP 4 months after hysterectomy, over and above age and clinical variables. These findings improve knowledge on PPSP and highlight potential intervention targets for healthcare professionals.
This article reveals the significant influence of psychological factors on the prediction of acute pain and anxiety 48 hours after primary total hip and knee arthroplasty. These results could prove useful for the design of interventions aimed at postsurgical pain and anxiety management.
The aim of this study was to examine the joint role of demographic, clinical, and psychological variables as predictors of acute postsurgical pain in women undergoing hysterectomy due to benign disorders. A consecutive sample of 203 women was assessed 24 hours before (T1) and 48 hours after (T2) surgery. Baseline pain and predictors were assessed at T1 and postsurgical pain and analgesic consumption at T2. Several factors distinguished women who had no or mild pain after surgery from those who had moderate to severe pain, with the latter being younger, having more presurgical pain, and showing a less favorable psychological profile. Younger age (odds ratio [OR]=0.90, P<.001), presurgical pain (OR=2.50, P <.05), pain due to other causes (OR=4.39, P=.001), and pain catastrophizing (OR=3.37, P=.001) emerged as the main predictors of pain severity at T2 in multivariate logistic regression. This was confirmed in hierarchical linear regression (β=-0.187, P<.05; β=0.146, P<.05; β=0.136, P<.05; β=0.245, P<.01, respectively). Presurgical anxiety also predicted pain intensity at T2. Findings revealed an integrative heuristic model that accounts for the joint influence of demographic, clinical, and psychological factors on postsurgical pain intensity and severity. In further mediation analysis, pain catastrophizing emerged as a full mediator between presurgical anxiety and postsurgical pain intensity. The potential clinical implications for understanding, evaluating, and intervening in postsurgical pain are discussed.
Persistent post-surgical pain (PPSP) is a major clinical problem with significant individual, social and health care costs. The aim of this study was to examine the joint role of demographic, clinical and psychological risk factors in the development of moderate and severe PPSP after Total Knee and Hip Arthroplasty (TKA and THA, respectively). This was a prospective study wherein a consecutive sample of 92 patients were assessed 24 hours before (T1), 48 hours after (T2) and 4–6 months (T3) after surgery. Hierarchical logistic regression analyses were performed to identify predictors of moderate and severe levels of PPSP. Four to six months after TKA and THA, 54 patients (58.7%) reported none or mild pain (Numerical Rating Scale: NRS ≤3), whereas 38 (41.3%) reported moderate to severe pain (NRS >3). In the final multivariate hierarchical logistic regression analyses, illness representations concerning the condition leading to surgery (osteoarthritis), such as a chronic timeline perception of the disease, emerged as a significant predictor of PPSP. Additionally, post-surgical anxiety also showed a predictive role in the development of PPSP. Pre-surgical pain was the most significant clinical predictive factor and, as expected, undergoing TKA was associated with greater odds of PPSP development than THA. The findings on PPSP predictors after major joint arthroplasties can guide clinical practice in terms of considering cognitive and emotional factors, together with clinical factors, in planning acute pain management before and after surgery.
This article reports the development and exploratory testing of a school-based intervention programme designed to enhance levels of physical activity in adolescents. The intervention is based on social cognitive theory (SCT), self-regulation theory (SRT) and planning as evidence-based mediators of physical activity changes. Two classes, paired on socio-economic variables, were selected from each of eight Portuguese schools and randomly assigned to an intervention or control group (N = 291). Primary outcome was 'moderate to vigorous physical activity' (International Physical Activity Questionnaire) measured pre and post intervention and at three and nine months follow-up. SCT, SRT and planning variables were secondary outcomes measured pre and post intervention. At post test, participants in the intervention group reported 18 min per week more physical activity (PA), adjusted for pre-intervention, age and sex, than those in the control group (95% confidence interval -10 to 46; p = 0.249). This difference increased to 33 min (95% CI-4 to 71; p = 0.082) at three months and to 57 min (95% CI 13 to 101, p = 0.008) at nine month follow-up. Moreover, the intervention resulted in changes of some of the theoretical target variables, including outcome expectancies and coping planning. However, no evidence was found for the changes in theoretical moderators to mediate the intervention effects on behaviour. Implications for theory and for future research are discussed.
This paper aims to test the direct predictors of the theory of planned behaviour (TPB), action planning and coping planning as predictors of changes in physical activity (PA) in 157 adolescents (mean age: 12). TPB measures, the Action Planning and Coping Planning Scales (APCPS) and the International Physical Activity Questionnaires were measured at baseline, 2- and 5-month follow-up. Hierarchical regression analyses were conducted regressing PA at Time 2 or Time 3 onto TPB and APCPS at baseline or Time 2, respectively. Past behaviour accounted for a significant 25-51% of the variance in PA in Step 1 of all three analyses. In Step 2, TPB accounted for an additional 3-10% with intention as a significant predictor. While no main effects for action planning or coping planning (Step 3) were found, all three analyses resulted in a significant amount of incremental variance accounted for by the interaction of action planning and coping planning (Step 4). Results suggest that the combination of high levels of action planning and coping planning is associated with increases in PA. Implications for theory of behaviour change in adolescents are discussed.
Background: Acute pain is an expected result after surgery. Nevertheless, when not appropriately controlled, acute pain has a very negative impact on individual clinical outcomes, impairing healing and recovery, and has clear consequences on health care system costs. Augmenting knowledge on predictors and potentially modifiable determinants of acute postsurgical pain can facilitate early identification of and intervention in patients at risk. However, only a few studies have examined and compared acute pain after total hip arthroplasty (THA) and total knee arthroplasty (TKA). The aim of this study was to compare THA and TKA in acute postsurgical pain intensity and its predictors. Methods: A consecutive sample of 124 patients with osteoarthritis (64 undergoing THA and 60 TKA) was assessed 24 hours before (T1) and 48 hours after (T2) surgery. Demographic, clinical, and psychological factors were assessed at T1, and acute postsurgical pain experience was examined at T2. Additionally, the same hierarchical regression analysis was performed separately for each arthroplasty type. Results: TKA patients reported higher levels of acute postsurgical pain compared with THA (t=8. 490, p=0.004, d=0.527, 95% confidence interval, 0.196-0.878). In the final THA predictive model, presurgical pain was the only variable approaching significant results (t[57]=1. 746, β=0.254, p=0.086). In the final TKA predictive model, optimism was the only predictor of pain (t[51]=-2.518, β=-0.339, p=0.015), with emotional representation (t[51]=1.895, β=0.254, p=0.064) presenting a trend toward significance. Conclusion: The current study is the first examining THA and TKA differences on acute postsurgical pain intensity and its predictors using a multivariate approach. Results from this study could prove useful for the design of distinct interventions targeting acute postsurgical pain management depending on whether the site of arthroplasty is the hip or the knee. Finally, the current results also support the argument that these two surgeries, at least with regard to acute pain, should be approached separately.
Findings highlight the relevance of psychological predictors for both surgeries and the value of targeting specific psychological factors by surgery type in order to effectively manage acute post-surgical pain.
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