What's in a face: can parents "read pain" in their children's faces?
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Biomedical subjects
Publications and source records attributed to Jennie C I Tsao.
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Despite frequent targeting of health beliefs in pediatric chronic pain treatment interventions, there are currently no reliable and valid self-efficacy measures for children with chronic pain and their parents. The current study examined the psychometric properties of parent and child versions of a self-efficacy measure related to the child functioning normally when in pain. Pediatric pain patients, 9-18 years of age, and a caregiver completed questionnaires before an initial tertiary care clinic appointment. The 67 patients in our sample had an average of 1.7 pain locations, including abdominal pain (43.3%), headaches (50.7%), body pain (25.4%), back pain (23.9%), limb pain (20.9%), and/or chest pain (9.0%). Reliability for the new measures was excellent; the Cronbach's alpha was .89 for the 7 child items and .90 for the 7 parent items. Strong evidence for construct validity was also obtained as 23 of the 27 hypothesized correlations were confirmed. As predicted, parent and child ratings of increased self-efficacy for the child functioning normally when in pain were significantly correlated with each other, and to parent reports of fewer problems functioning due to physical or emotional problems; parent reports of fewer somatic, behavioral or emotional symptoms; parent reports of increased self-esteem, and unrelated to child pain, age and gender. Additionally, child ratings of increased self-efficacy were significantly correlated with child reports of increased self-esteem and fewer somatic symptoms. Replication with a larger sample size, more complex modeling, and prospective studies are indicated.
STUDY OBJECTIVE: Females are more likely than males to suffer from various mood and pain disorders. However, this female predominance does not appear to develop until puberty. The purpose of the present study was to examine the associations among hormone concentrations, self-rated Tanner staging and dysmenorrhea, and to determine whether various psychosocial factors modulate these relationships. DESIGN: As part of a larger prospective study of the influence of puberty on laboratory pain response, Tanner ratings, estradiol and follicle stimulating hormone concentrations, dysmenorrhea and psychosocial parameters including depression, anxiety, somatization, and socioeconomic status were observed. PARTICIPANTS: 124 healthy girls ages 8 to 18 were evaluated. MAIN OUTCOME MEASURE: There were significant correlations between pubertal status utilizing self-rated diagrams of Tanner stage and hormonal markers of pubertal development, specifically estradiol and FSH. Tanner stage but not estradiol was correlated with presence of dysmenorrhea. There was no effect of body mass index (BMI), socioeconomic status (SES), anxiety, depression, or somatization on presence or absence of painful menses. There was no correlation between BMI or SES and age of menarche. However, Tanner stage was correlated with BMI but not with SES. RESULTS AND CONCLUSIONS: Tanner self-staging is at least as accurate as estradiol and FSH measurements alone in evaluating healthy female adolescents' physical changes and menstrual pain. Tanner self-ratings are thus particularly useful in large, epidemiologic, or cross cultural studies where physical examination and blood sampling may not be feasible due to cost, access, or psychosocial barriers.
UNLABELLED: Anxiety sensitivity (AS) or fear of anxiety sensations has been linked to childhood learning history for somatic symptoms, suggesting that parental AS may impact children's responses to pain. Using structural equation modeling, we tested a conceptual model in which parent AS predicted child AS, which in turn predicted a hypothesized latent construct consisting of children's pain intensity ratings for 3 laboratory pain tasks (cold pressor, thermal heat, and pressure). This conceptual model was tested in 211 nonclinical parent-child pairs (104 girls, 107 boys; mean age 12.4 years; 178 mothers, 33 fathers). Our model was supported in girls only, indicating that the sex of the child moderated the hypothesized relationships. Thus, parent AS was related to child laboratory pain intensity via its contribution to child AS in girls but not in boys. In girls, 42% of the effect of parent AS on laboratory pain intensity was explained via child AS. In boys, there was no clear link between parent AS and child AS, although child AS was predictive of experimental pain intensity across sex. Our results are consistent with the notion that parent AS may operate via healthy girls' own fear of anxiety symptoms to influence their responses to laboratory pain stimuli. PERSPECTIVE: The present study highlights sex differences in the links among parent and child anxiety sensitivity (fear of anxiety sensations) and children's experimental pain responses. Among girls, childhood learning history related to somatic symptoms may be a particularly salient factor in the development of anxiety sensitivity and pain responsivity.
UNLABELLED: A cross-sectional design across late childhood and adolescence examined the influence of sex, gender socialization, and age on responses to controlled laboratory pain tasks. Healthy children and adolescents (n = 240, 50% female, age 8 to 18 years) completed the Child Sex Role Inventory, a self-report measure of identification with stereotypically masculine and feminine personality traits, as an index of gender socialization and participated in pressure, cold pressor, and heat pain tasks. Pain tolerance, pain intensity, and bothersomeness of each pain task were assessed. Masculinity correlated with lower heat pain ratings in boys but not girls. Logistic regression indicated cold pain intensity ratings were predicted by sex, gender score, and the age-by-gender score interaction. Heat pain intensity was predicted by age, gender score, age-by-gender score interaction, and sex-by-gender score. PERSPECTIVE: The current findings support closer examination of the influence of gender socialization on young people's pain responses and highlight the importance of a multifactorial, developmental approach to studying the impact of gender socialization on the emergence of sex differences in pain responses after puberty.
Existing laboratory-based research in adult samples has suggested that anxiety sensitivity (AS) increases an individual's propensity to experience pain-related anxiety, which in turn enhances pain responsivity. Such relationships have not been examined in younger populations. Thus, the present study used structural equation modeling (SEM) to test a conceptual model in which AS would evidence an indirect relationship with pain intensity via its contribution to state-specific anticipatory anxiety in relation to a variety of laboratory pain tasks (cold pressor, thermal heat, and pressure pain) in 234 healthy children (116 girls; mean age = 12.6 years, range = 8-18 years). The model further hypothesized that existing anxious symptomatology would demonstrate a direct relationship with pain intensity. Results of the SEM supported the proposed conceptual model with the total indirect effect of AS accounting for 29% of the variance in laboratory pain intensity via its effects on pain-related anticipatory anxiety. AS did not however, evidence a direct relationship with pain intensity. Anxious symptomatology on the other hand, demonstrated a significant direct effect on pain intensity, accounting for 15% of variance. The combined effects of AS, anxiety symptoms, and anticipatory anxiety together explained 62% of the variance in pain intensity. These relationships did not differ for boys and girls, indicating no moderating effect of sex in the proposed model. The present results support the potential benefit of assessing both AS and anxiety symptoms in children prior to undergoing painful stimulation.
Previously, we reviewed the evidence for the efficacy of CAM approaches for pediatric pain (volume 2; issue 2; 2005) using criteria developed by the American Psychological Association Division 12 Task Force. Our review focused on CAM modalities that had been tested with at least one controlled trial or multiple baseline study. In addition, only those trials in which children comprised the study sample were included. Thus, several CAM modalities were not included in our review. Key ethical and other reasons for the limited literature on CAM for pediatric pain as well as directions for future studies are discussed.
BACKGROUND: Psychological casualties following public health emergencies are likely to significantly outnumber physical casualties. However, postevent psychological disorders may be underrecognized by primary care providers (PCPs). METHODS: Rural PCPs in northern and central Florida were interviewed using a series of open-ended questions to assess knowledge of likely mental disorders, their risk factors, and preferred treatment options following such events (n=21). RESULTS: PTSD was identified by 14% and substance abuse by 10% of the sample. Physicians were significantly more likely to identify posttraumatic stress disorder (PTSD) as an expected postevent psychological disorder than nonphysician providers. PCPs were significantly more likely to endorse counseling (86%) than medications (43%) as a preferred treatment option. CONCLUSIONS: Our findings support the need for increased education and training regarding the mental health consequences of bioterrorism in rural PCPs, particularly for nursing-level and other nonphysician providers. Improvements in knowledge may enhance preparedness for such emergencies.
CONTEXT: Recent bioterrorism attacks have highlighted the critical need for health care organizations to prepare for future threats. Yet, relatively little attention has been paid to the mental health needs of rural communities in the wake of such events. A critical aspect of bioterrorism is emphasis on generating fear and uncertainty, thereby contributing to increased needs for mental health care, particularly for posttraumatic stress disorder, which has been estimated to occur in 28% of terrorism survivors. PURPOSE: Prior experience with natural disasters suggests that first responders typically focus on immediate medical trauma or injury, leaving rural communities to struggle with the burden of unmet mental health needs both in the immediate aftermath and over the longer term. The purpose of the present article is to draw attention to the greater need to educate rural primary care providers who will be the frontline providers of mental health services following bioterrorism, given the limited availability of tertiary mental health care in rural communities. METHODS: We reviewed the literature related to bioterrorism events and mental health with an emphasis on rural communities. FINDINGS AND CONCLUSIONS: Public health agencies should work with rural primary care providers and mental health professionals to develop educational interventions focused on posttraumatic stress disorder and other mental disorders, as well as algorithms for assessment, referral, and treatment of post-event psychological disorders and somatic complaints to ensure the availability, continuity, and delivery of quality mental health care for rural residents following bioterrorism and other public health emergencies.
We investigated predictive and concurrent relationships among reported pain, HIV/AIDS illness burden, and substance use history in 2,267 participants in the longitudinal HIV Cost and Services Utilization Study (HCSUS). Substance use history was classified as screening positive for current illicit drug use (N=253), past drug use (N=617), and non-user (N=1,397) at baseline. To control for demographic correlates, age, sex and socioeconomic status (SES) were included as predictors. Covariance structure models indicated greater pain at baseline among participants acknowledging current substance use. Pain at baseline was also directly predicted by greater HIV/AIDS illness burden, lower SES, and older age. At 6 months, pain was directly predicted by prior pain, worse concurrent HIV/AIDS illness burden and female sex. At 12 months, pain was predicted by older age, prior pain, and concurrent HIV/AIDS illness. It was also modestly but significantly predicted by current substance use at baseline. In addition to the direct effects on pain, there were significant indirect effects of demographic and drug use variables on pain mediated through HIV/AIDS illness burden and prior pain. There were significant and positive indirect effects of current and past drug use, greater age, and lower SES on pain at all three time periods. Pain at 6 months and pain at 12 months were also indirectly impacted by previous illness burden. Our results indicate that HIV+persons who screened positive for current use of a range of illicit substances experienced greater HIV/AIDS illness burden which in turn predicted increased pain.
Patient expectations regarding complementary and alternative medicine (CAM) interventions have important implications for treatment adherence, attrition and clinical outcome. Little is known, however, about parent and child treatment expectations regarding CAM approaches for pediatric chronic pain problems. The present study examined ratings of the expected benefits of CAM (i.e. hypnosis, massage, acupuncture, yoga and relaxation) and conventional medicine (i.e. medications, surgery) interventions in 45 children (32 girls; mean age = 13.8 years +/- 2.5) and parents (39 mothers) presenting for treatment at a specialty clinic for chronic pediatric pain. Among children, medications and relaxation were expected to be significantly more helpful than the remaining approaches (P < 0.01). However, children expected the three lowest rated interventions, acupuncture, surgery and hypnosis, to be of equal benefit. Results among parents were similar to those found in children but there were fewer significant differences between ratings of the various interventions. Only surgery was expected by parents to be significantly less helpful than the other approaches (P < 0.01). When parent and child perceptions were compared, parents expected hypnosis, acupuncture and yoga, to be more beneficial than did children, whereas children expected surgery to be more helpful than did parents (P < 0.01). Overall, children expected the benefits of CAM to be fairly low with parents' expectations only somewhat more positive. The current findings suggest that educational efforts directed at enhancing treatment expectations regarding CAM, particularly among children with chronic pain, are warranted.
Despite evidence supporting the existence of important sex-related differences in pain, the mechanisms underpinning such differences are not well understood. The aim of this study is to examine the relationship between sex and pubertal differences in autonomic arousal and pain tolerance to laboratory pain stimuli in healthy children. We tested the following specific hypotheses: (1) females would have greater autonomic arousal and less pain tolerance than males, and (2) this sex difference in pain tolerance would be mediated by autonomic arousal. Participants were 244 healthy children (50.8% female, mean age 12.73+/-2.98 years, range 8-18 years). Separate 4-trial blocks of cutaneous pressure and thermal pain stimuli were presented in counterbalanced order. Heart rate (HR) was recorded during 2-3 min periods preceding each block and a 1-min period between trials. Results indicated lower tolerance in females for cutaneous pressure, but not thermal pain, compared to males. In addition, pre-trial HR was greater for females than males. Mediation analyses suggested that sex differences in pressure pain tolerance were accounted for by sex differences in pre-trial HR. There were also significant effects for puberty, but these did not vary by sex. Overall, early pubertal children had greater pre-trial HR and less pain tolerance than those in late puberty for both cutaneous pressure and thermal pain across sex. These results suggest that autonomic arousal may be a mediator of sex-related differences in pain responses in children.
In recent years, the use of complementary and alternative medicine (CAM) in pediatric populations has increased considerably, especially for chronic conditions such as cancer, rheumatoid arthritis and cystic fibrosis in which pain may be a significant problem. Despite the growing popularity of CAM approaches for pediatric pain, questions regarding the efficacy of these interventions remain. This review critically evaluates the existing empirical evidence for the efficacy of CAM interventions for pain symptoms in children. CAM modalities that possess a published literature, including controlled trials and/or multiple baseline studies, that focused on either chronic or acute, procedural pain were included in this review. The efficacy of the CAM interventions was evaluated according to the framework developed by the American Psychological Association (APA) Division 12 Task Force on Promotion and Dissemination of Psychological Procedures. According to these criteria, only one CAM approach reviewed herein (self-hypnosis/guided imagery/relaxation for recurrent pediatric headache) qualified as an empirically supported therapy (EST), although many may be considered possibly efficacious or promising treatments for pediatric pain. Several methodological limitations of the existing literature on CAM interventions for pain problems in children are highlighted and future avenues for research are outlined.
Nocturnal panic (NP), waking from sleep in a state of panic, is a common occurrence among patients with panic disorder, with 44-71% reporting at least one such attack. NP is a non-REM event that is distinct from sleep terrors, sleep apnea, nightmares or dream-induced arousals. This review outlines recent advances in the characterization of NP, as well as current approaches to the assessment and treatment of NP. In contrast to earlier work, more recent studies suggest that patients with NP do not differ from patients without NP on sleep architecture, sleep physiology, self-reported sleep quality and severity of panic disorder. However, more precise measurement of physiological precipitants and features is warranted. Assessment of NP focuses on ruling out other explanations for NP, with differential diagnosis based on interviews, sleep polysomnography and ambulatory recording of sleep. Psychological treatment (cognitive-behavioral therapy) targets misappraisals of anxiety sensations, hyperventilatory response, and conditioned reactions to internal, physical cues. Recent evidence supports the efficacy of this approach, however, controlled studies on pharmacological agents in the treatment of NP are lacking. Research is needed to examine the effects of combined cognitive-behavioral therapy and medications, compared to medication alone in the treatment of NP.
This study examined the effects of cognitive-behavioral therapy (CBT) for principal panic disorder with or without agoraphobia, on comorbidity in 30 individuals (16 female). To test the hypothesis that improvements in co-existing conditions were not due to spontaneous fluctuations across time, patients receiving immediate CBT were compared to those assigned to wait list (n = 11). Results indicated clinician-rated severity of comorbid specific phobia declined significantly following immediate CBT compared to no change after wait list. The number of patients without comorbidity of any severity increased after immediate CBT, with no such increase following wait list. However, the groups did not differ in the frequency of additional diagnoses or overall severity of comorbidity. In the total sample, results indicated reductions in comorbidity by 9-month follow-up, with marked declines in the severity of comorbid generalized anxiety disorder (GAD), social and specific phobia. Our findings suggest that targeted CBT for panic disorder has beneficial effects on comorbidity over the longer term and that some of its immediate effects exceed those due to the passage of time alone.
The current study investigated the relationship of pain to use of complementary and alternative medicine (CAM) in a U.S. nationally representative sample of 2466 persons with human immunodeficiency virus (HIV), using data from the HIV Cost and Services Utilization Study. Pain was conceptualized as a need characteristic within the context of predisposing, enabling, and need (PEN) characteristics following Andersen's Behavioral Model of Health Services Use. Multivariate analyses were used to examine the association of baseline PEN characteristics with CAM use by follow-up (approximately 6 months later), including use of five specific CAM domains. Change in pain from baseline to follow-up was also examined in relation to CAM use. Baseline pain was a strong predictor of CAM use, and increased pain over time was associated with use of unlicensed or underground drugs with potential for harm. These results highlight the importance of medical efforts to control pain in persons living with HIV.
Research to date has focused on depression and co-existing pain in HIV with relatively little attention devoted to the study of anxiety disorders and concurrent pain. We therefore examined the relationships among panic disorder, posttraumatic stress disorder (PTSD), major depression and pain in a US national sample of persons with HIV, controlling for key sociodemographic and clinical variables, including HIV disease status. The study sample comprised 1489 HIV+ individuals (representing 219 667 persons). In multivariate analyses, panic disorder showed a strong association with pain ( beta= -15.70; 99% confidence interval [CI]=-21.33 to -10.08; P<0.001, which was significantly greater than PTSD (P=0.002) but only marginally greater than major depression (P=0.002). Longitudinal analyses of the three psychological disorders revealed that increasing pain from baseline to follow-up (an approximately 6-month period) was associated with panic disorder only (relative risk ratio=2.18, 99% CI=1.02-4.69; P<0.01), after controlling for baseline pain scores, baseline HIV disease status and change in disease stage across time. We discuss specific mechanisms by which clinical anxiety and chronic pain may be mutually maintained in HIV+ individuals. Our findings suggest that panic disorder, as well as PTSD and major depression are associated with greater pain in HIV patients.
BACKGROUND: The negative impact of pain on health-related quality of life has been documented for persons with human immunodeficiency virus (HIV). Furthermore, pain could be an important factor in seeking medical care. However, the relationship between pain and health service utilization is poorly understood. OBJECTIVES: The objective of this study was to investigate the effect of pain on use of outpatient services among a nationally representative sample of adults receiving medical care for HIV using Andersen's Behavioral Model of Health Services Use. METHODS: We used Poisson regression to assess outpatient use over 6 months among 2267 respondents in the HIV Cost and Services Utilization Study. Key predisposing variables include gender and race/ethnicity. Enabling factors include income and insurance. Need factors include pain, CD4 count, and diagnosis of acquired immunodeficiency syndrome (AIDS). RESULTS: Sixty-seven percent of respondents reported experiencing pain during the previous 4 weeks. Self-reported pain was higher among those with AIDS, intravenous drug-using females, the unemployed, and those without a baccalaureate degree, but lower among blacks. Patients reporting more pain and those developing more pain used more outpatient services. Poorer health (CD4 count <50 cells/mm3, less energy) was also associated with higher use. Persons with Medicare, Medicaid, or private insurance were more likely to have used outpatient services than the uninsured. Persons with a private HMO were no more likely to use services than those without insurance. CONCLUSIONS: Improved pain management could reduce outpatient use for persons experiencing pain and lead to substantial cost savings. Inequalities in outpatient use related to insurance are evident.