The journal of pain : official journal of the American Pain Society
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Randomized Controlled Trial Multicenter Study
Self-Guided Online Cognitive Behavioral Strategies for Chemotherapy-Induced Peripheral Neuropathy: A Multicenter, Pilot, Randomized, Wait-List Controlled Trial.
The purpose of this pilot, parallel, randomized controlled trial was to examine the efficacy of a self-guided online cognitive and behaviorally-based pain management intervention (Proactive Self-Management Program for Effects of Cancer Treatment [PROSPECT]) to reduce "worst" pain for individuals with chronic painful chemotherapy-induced peripheral neuropathy (CIPN). Secondary outcomes included "average" pain, nonpainful CIPN symptom severity, impression of change, and pain interference. Sixty patients with chronic painful CIPN were recruited from 5 outpatient academic and community cancer centers. ⋯ Individuals who received the PROSPECT intervention (n = 19) had significantly greater improvements in "worst pain" compared with individuals receiving usual care (n = 19; P = .046, d = .58). There were no significant differences in mean scores between groups for the secondary outcomes (n = 42). A larger, adequately powered study testing the PROSPECT intervention is needed to determine if improvements in pain may be sustained, evaluate the effect of the intervention on the secondary outcomes, and identify mediators of pain intensity-related improvement.
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The purpose of this longitudinal blood sampling study was to examine relationships between sex hormones and fibromyalgia pain. Eight women meeting case definition criteria for fibromyalgia provided venous blood samples and reported their fibromyalgia pain severity over 25 consecutive days. All women exhibited normal menstrual cycles and were not taking oral contraceptives. ⋯ There was no relationship between estradiol and pain (P = .551) or cortisol and pain (P = .633). These results suggest that progesterone and testosterone play a protective role in fibromyalgia pain severity. Sex and other hormones may serve to increase as well as decrease fibromyalgia pain severity.
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Prescription drug monitoring programs (PDMPs) enable registered prescribers to obtain real-time information on patients' prescription history of controlled medications. We sought to describe the effect of a state-mandated PDMP on opioid prescribing by emergency medicine providers. We retrospectively analyzed electronic medical records of 122,732 adult patients discharged with an opioid prescription from 15 emergency departments in a single health system in Pennsylvania from July 2015 to March, 2017. We used an interrupted time series design to evaluate the percentage of patients discharged each month with an opioid prescription before and after state law-mandated PDMP use on August 25, 2016. From August (pre-PDMP) to September, 2016 (post-PDMP), the opioid prescribing rate decreased from 12.4% (95% confidence interval [CI], 10.8%-14.1%) to 10.2% (95% CI, 8.8%-11.8%). For each month between September 2016 to March 2017, there was a mean decline of .46% (95% CI, -.38% to -.53%) in the percentage of patients discharged with an opioid prescription. There was heterogeneity in opioid prescribing across hospitals as well as according to patient diagnosis. ⋯ This study examined the effect of a state-mandated PDMP on opioid prescribing among emergency medicine providers from 15 different hospitals in a single health system. Findings support current PDMP mandates in reducing opioid prescriptions, which could curb the prescription opioid epidemic and may ultimately reduce abuse, misuse, and overdose death.
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Despite clinical observation of perfectionistic tendencies among youth with chronic pain and their parents as well as established relationships between perfectionism and functional somatic symptoms in adults and youth, no research in the pediatric pain literature has examined perfectionism. This study explored the role of various types of youth and parent perfectionism on youth and parent pain-related distress and behavior and youth pain-related dysfunction. At admission, 239 parent-child pairs from outpatient and day-treatment rehabilitation settings completed several questionnaires assessing perfectionism, pain-related distress, and pain-related dysfunction. ⋯ Indirect relations showed that youth socially prescribed perfectionism was the only form of perfectionism directly associated with youth somatization whereas all forms of youth perfectionism were indirectly associated with somatization and functional disability through increases in youth pain-related fear and catastrophizing. Additionally, socially prescribed perfectionism was the only type of parent perfectionism linked to youth pain-related dysfunction (somatization, functional disability) through its association with youth pain-related fear. Findings support clinical observations that parent and youth perfectionism is a psychosocial factor that should be targeted in pediatric chronic pain treatment.
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Opposite Effects of Stress on Pain Modulation Depend on the Magnitude of Individual Stress Response.
The effect of acute stress on pain threshold and intolerance threshold are reported as producing either hypoalgesia or hyperalgesia. Yet, the contribution of individual stress reactivity in this respect has not been established. The aim was to test 2 pain modulation paradigms under acute stress manipulation, to our knowledge, for the first time, to study whether stress differentially affects pain modulation, and whether the effect is related to individual stress response. ⋯ These responses correlated with stress reactivity. When the group was subdivided according to stress reactivity, only high stress responders exhibited reduced CPM whereas only low stress responders exhibited increased pain adaptation. The results suggest that acute stress may induce opposite effects on pain modulation, depending on individual stress reactivity magnitude, with an advantage to low stress responders.