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ProAKAP4, a precursor of AKAP4 (A-kinase anchor protein) found in the flagellum of mammalian and non-mammalian spermatozoa, serves as a structural protein with established correlations to motility parameters across diverse species. This study aimed to determine the proAKAP4 level evolution in thawed stallion semen over a 3 h period, examining its correlation with motility descriptors and mitochondrial membrane potential. Utilizing sixteen ejaculates from four French warmblood stallions, this study involved maintaining thawed samples at 37 °C for 3 h, conducting proAKAP4 enzyme-linked immunosorbent assays (ELISA), computer-assisted sperm analysis (CASA), and mitochondrial membrane potential by JC-1 probe and flow cytometry at 0, 1, and 3 h post-thawing. The findings indicate significant positive correlations (p ≤ 0.05) between proAKAP4 levels and sperm total or progressive motility at all time points analyzed. Spermatozoa velocity descriptors (VAP, VCL, VSL) and spermatozoa lateral head displacement (ALH) display positive correlations (p ≤ 0.05) with ProAKAP4 at the 0 h post-thawing. ProAKAP4 concentration exhibits no discernible difference between batches with or without a cryoprotectant. Notably, proAKAP4 consumption remains insignificant within the initial hour after thawing but becomes significant (p ≤ 0.05) between 1 and 3 h post-thawing. In summary, proAKAP4 demonstrates positive correlations with total and progressive motility in stallion semen for up to 3 h after thawing, albeit showing a noticeable decrease starting from the first hour post-thawing, indicating a progressive consumption as a result of spermatozoa motile activity.
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PURPOSE: The aim of this study was to evaluate the psychometric properties of the Silhouettes Fatigue Scale (SFS) when used to assess fatigue in undergraduates and middle-aged adults with chronic pain. MATERIALS AND METHODS: A total of 426 undergraduates and 207 middle-aged individuals with chronic pain participated in this study. Participants were asked to respond to a survey including the SFS as well as another validated measure of fatigue, questionnaires about pain catastrophizing and pain interference, and questions about pain (i.e., location, duration, and intensity). Convergent, discriminant, criterion and known-groups validity were evaluated. RESULTS: Convergent validity was supported by a strong association between the two scales measuring fatigue. Discriminant validity was supported by stronger associations between the two fatigue scales scores compared to those between the SFS and pain catastrophizing scores. Criterion validity was supported by moderate associations between the SFS and measures of pain intensity and pain interference. Finally, known-groups validity was supported by significant differences in the SFS scores between students without chronic pain, students with chronic pain, and middle-aged individuals with chronic pain. CONCLUSIONS: The findings support the validity of the SFS scores when used to assess fatigue in undergraduates and middle-aged adults with chronic pain.
Fatigue is a significant problem among people with chronic pain that can lead to disability.Assessing and treating fatigue in people with pain is essential.The Silhouettes Fatigue Scale (SFS) is a new single-item self-report of fatigue, fast and easy to use.Results support convergent and discriminant validity as well as sensibility to detect differences in fatigue between groups.
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Cryopreservation is a stressful process for sperm, as it is associated with an increased production of reactive oxygen species (ROS). Elevated ROS levels, which create an imbalance with antioxidant capacity, may result in membrane lipid peroxidation (LPO), protein damage and DNA fragmentation. This study aimed to determine whether the membrane LPO and DNA fragmentation of frozen-thawed horse sperm relies upon antioxidant activity, including enzymes (superoxide dismutase (SOD), glutathione peroxidase (GPX), catalase (CAT) and paraoxonase type 1 (PON1)); non-enzymatic antioxidant capacity (Trolox-equivalent antioxidant capacity (TEAC), plasma ferric reducing antioxidant capacity (FRAP) and cupric reducing antioxidant capacity (CUPRAC)); and the oxidative stress index (OSI) of their seminal plasma (SP). Based on total motility and plasma membrane integrity (SYBR14+/PI-) after thawing, ejaculates were hierarchically (p < 0.001) clustered into two groups of good- (GFEs) and poor-(PFEs) freezability ejaculates. LPO and DNA fragmentation (global DNA breaks) were higher (p < 0.05) in the PFE group than in the GFE group, with LPO and DNA fragmentation (global DNA breaks) after thawing showing a positive relationship (p < 0.05) with SP OSI levels and ROS production. In addition, sperm motility and membrane integrity after thawing were negatively (p < 0.05) correlated with the activity levels of SP antioxidants (PON1 and TEAC). The present results indicate that LPO and DNA fragmentation in frozen-thawed horse sperm vary between ejaculates. These differences could result from variations in the activity of antioxidants (PON1 and TEAC) and the balance between the oxidant and antioxidant components present in the SP.
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ProAKAP4 is identified within the flagellum of spermatozoa in various mammalian species, serving as a structural protein associated with motility parameters. This investigation focuses on the presence of proAKAP4 in donkey sperm, elucidating its localization, molecular characteristics, and its correlation with motility descriptors and mitochondrial membrane potential. Twelve ejaculates from Catalan donkeys were analyzed in this study. The initial steps involved proAKAP4 sequencing and detection through Western blotting and immunofluorescence. Post-thaw assessments were conducted at 0, 1, and 3 h, encompassing proAKAP4 levels, sperm motility analyzed via Computer-Assisted Sperm Analysis (CASA), and mitochondrial membrane potential determined by flow cytometry using the JC-1 stain. The findings reveal that proAKAP4 in donkeys exhibits a characteristic localization at the principal piece of the flagellum, consistent with observations in other mammals. The molecular weight of proAKAP4 is determined to be 100 kDa. Significantly, a positive correlation (p ≤ 0.05) is established between proAKAP4 concentration and both total and progressive motility. The presence of cryoprotectant is associated with a lower proAKAP4 concentration. Notably, proAKAP4 experiences a substantial decrease (p ≤ 0.05) during the initial hour post-thawing. In conclusion, proAKAP4 is identified in donkey sperm, akin to its presence in other mammals. It exhibits a positive correlation with total and progressive motility, its concentration is notably affected by the presence of cryoprotectant with significant consumption observed during the initial hour following thawing. These findings contribute to our understanding of proAKAP4 dynamics in donkey sperm, providing insights that may have implications for semen preservation and reproductive technologies in equids.
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Equidae , Preservación de Semen , Masculino , Animales , Semen , Motilidad Espermática , Espermatozoides , Análisis de Semen/veterinaria , Crioprotectores , Preservación de Semen/veterinaria , Criopreservación/veterinariaRESUMEN
Pain intensity is the most commonly used outcome domain in pain clinical trials. To minimize the chances of type II error (ie, concluding that a treatment does not have beneficial effects, when in fact it does), the measure of pain intensity used should be sensitive to changes produced by effective pain treatments. Here we sought to identify the combination of pain intensity ratings that would balance the need for reliability and validity against the need to minimize assessment burden. We conducted secondary analyses using data from a completed 4-arm clinical trial of psychological pain treatments (N = 164 adults). Current, worst, least, and average pain intensity in the past 24 hours were assessed 4 times before and after treatment using 0 to 10 numerical rating scale-11. We created a variety of composite scores using these ratings and evaluated their reliability (Cronbach's alphas) and validity (ie, associations with a gold standard score created by averaging 16 ratings and sensitivity for detecting between-group differences in treatment efficacy). We found that for each measure, reliability increased as the number of ratings used to create the measures increased and that ratings from 3 or more days were needed to have adequately strong associations with the gold standard. Regarding sensitivity, the findings suggest that composite scores made up of ratings from 4 days are needed to maximize the chances of detecting treatment effects, especially with smaller sample sizes. In conclusion, using data from 3 or 4 days of assessment may be the best practice. PERSPECTIVE: Composite scores made up of at least 3 days of pain ratings appear to be needed to maximize reliability and validity while minimizing the assessment burden. TRIAL REGISTRATION: clinicaltrials.gov NCT01800604.
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Dimensión del Dolor , Humanos , Dimensión del Dolor/normas , Dimensión del Dolor/métodos , Reproducibilidad de los Resultados , Femenino , Masculino , Adulto , Persona de Mediana Edad , Dolor/diagnóstico , Ensayos Clínicos como Asunto/normas , Ensayos Clínicos como Asunto/métodos , AncianoRESUMEN
ABSTRACT: The number of people immigrating from one country to another is increasing worldwide. Research has shown that immigration background is associated with chronic pain (CP) and pain disability in adults. However, research in this issue in children and adolescents has yielded inconsistent results. The aims of this study were to examine (1) the association between immigration background, CP, high-impact chronic pain (HICP) in a community sample of children and adolescents; and (2) the extent these associations differed as a function of sex and age. Participants of this cross-sectional study were 1115 school children and adolescents (mean age = 11.67; 56% girls). Participants were asked to provide sociodemographic information and respond to a survey including measures of pain (location, extension, frequency, intensity, and interference). Results showed that having an immigration background was associated with a greater prevalence of CP (OR = 1.91, p <.001) and HICP (OR = 2.55, p <. 01). Furthermore, the association between immigration background and CP was higher in children (OR = 6.92, p <.001) and younger adolescents (OR = 1.66, p <.05) than in older adolescents. Children and adolescents with an immigration background are at higher risk for having CP -especially younger children- and HICP. More resources should be allocated in the prevention of CP and HICP in children and adolescents with an immigration background.
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Dolor Crónico , Humanos , Masculino , Adolescente , Femenino , Dolor Crónico/epidemiología , Dolor Crónico/etnología , Niño , España/epidemiología , Factores de Riesgo , Estudios Transversales , Emigración e Inmigración/estadística & datos numéricos , Factores de Edad , Prevalencia , Dimensión del Dolor/métodos , Emigrantes e Inmigrantes/estadística & datos numéricosRESUMEN
Cross-national research using data from the Health Behavior in School-aged Children (HBSC) survey showed an increase in the prevalence of chronic back pain from 2002 to 2014. However, it is unknown if this trend has persisted beyond 2014. The aims of this study were to 1) determine if the prevalence of chronic back pain in girls and boys aged 11, 13, and 15 continued to increase from 2014 to 2018 and if this was the case, 2) examine whether this increase in the prevalence of chronic back pain between 2002 and 2018 was explained indirectly by increases in sleep difficulties and psychological symptoms. Data from 7,89,596 adolescents retrieved from 5 waves of the HBSC survey conducted in 2002, 2006, 2010, 2014, and 2018 in 32 countries/regions were used. Logistic regressions and path analyses were conducted. Results showed an overall increase of .5% in the prevalence of chronic back pain between 2014 and 2018, ranging from .4% for 15-year-old girls to 1.3% for 11-year-old boys, indicating a continued overall increase in chronic back pain in adolescents beyond 2014. For 13-year-old girls and for 15-year-old girls and boys, the increase in the prevalence of chronic back pain between 2002 and 2018 was partially mediated by increases in sleep difficulties, which in turn were associated with increases in psychological symptoms. The findings provide important information that may aid stakeholders in enhancing public health initiatives to prevent or reduce the increasing trend in the prevalence of chronic back pain in adolescents. PERSPECTIVE: This study shows that chronic back pain prevalence continues to increase among adolescents, with sleep difficulties and psychological symptoms contributing significantly to this trend. The findings provide insights that may inform strategies to prevent or reduce the increasing trend of chronic back pain in adolescents.
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Dolor de Espalda , Trastornos del Inicio y del Mantenimiento del Sueño , Masculino , Niño , Femenino , Humanos , Adolescente , Dolor de Espalda/epidemiología , Encuestas y Cuestionarios , PrevalenciaRESUMEN
ABSTRACT: Preliminary evidence suggests that there are significant associations between bullying and chronic pain, as well as between the quality of peer relationships and psychological function in youth with chronic pain. However, these findings have yet to be replicated, and the role that bullying plays in anxiety in children and adolescents with chronic pain has not yet been examined. This study sought to expand our understanding of the associations between measures of bullying and quality of peer relationships and pain-related function domains in a community sample of schoolchildren with chronic pain. One thousand one hundred fifteen schoolchildren participated in this study; 57% were girls, the mean age of the study sample was 11.67 years (SD = 2.47), and 46% reported having chronic pain. Participants completed measures of pain characteristics, pain interference, anxiety, and depressive symptoms, bullying (past and current), and quality of peer relationships. Youth with chronic pain reported a significantly higher percentage of being bullied in the past compared with youth without chronic pain. In the group of youth with chronic pain, the measures of past and current bullying, and quality of peer relationships, were not significantly associated with pain intensity, pain interference, or anxiety. However, having a history of being bullied and the quality of peer relationships were significantly associated with depressive symptom severity. The findings indicate that research to evaluate the potential causal role of bullying and the quality of peer relationships on pain-related function domains in youth with chronic pain is warranted.
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Acoso Escolar , Dolor Crónico , Víctimas de Crimen , Niño , Femenino , Adolescente , Humanos , Masculino , Víctimas de Crimen/psicología , Acoso Escolar/psicología , Ansiedad/psicología , Instituciones Académicas , Grupo ParitarioRESUMEN
BACKGROUND: Chronic pain is a common problem in adults that can have a significant impact on individuals' quality of life and on society. The complex pain experience emerges from a dynamic combination of biological, psychological, and social factors. Previous research has shown that social support has positive effects on health-related outcomes through two mechanisms: direct-effects and stress-buffering effects. The aim of this study was to investigate the role that perceived stress, perceived social support, and their interaction play as predictors of global physical health and global mental health in adults with chronic pain. METHOD: One hundred sixty-five adults with chronic pain completed measures of pain, perceived stress, perceived social support, global physical health, and global mental health. RESULTS: Perceived stress but not perceived social support made a significant and independent contribution to the prediction of global physical health; both perceived stress and perceived social support made independent contributions to the prediction of global mental health. The perceived stress × perceived social support interaction did not make a significant contribution to the prediction of either criterion variable. The results suggested that perceived stress has an impact on both global physical and mental health, whereas perceived social support associated mostly with global mental health. In addition, perceived social support does not appear to moderate the impact of stress on global physical and mental health. CONCLUSION: The findings are more consistent with a direct-effects model than a stress-buffering model of social support.
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Background: Children and adolescents with chronic pain are a vulnerable population who often lack the resources to manage their condition. Due to high personal, social, and economic consequences, proper management in its early stages is key to reducing disability. The aim of this project is to co-develop a digital intervention for pediatric chronic pain (Digital SPA) with end-users and to evaluate its effectiveness and implementation outcomes in Spain. Methods: (Phase 1) Focus groups with patients, parents, and clinicians (n = 5-6 each) will inform about unmet pain care needs and provide a starting point for co-designing the intervention. (Phase 2) Content creation and usability testing will be based on the results of Phase 1, and the theory-driven development will follow the latest available evidence. The intervention will use validated psychological techniques focused on improving functioning by teaching pain coping skills. (Phase 3) Hybrid effectiveness-implementation trial. Participants (n = 195) will be adolescents aged 12-17 years old with chronic pain and one of their parents. Assessments include physical function, pain, sleep, anxiety, mood, satisfaction and adherence to the treatment, and number of visits to the emergency room. A qualitative framework analysis will be conducted with data from Phase 1. Effects of the intervention will be evaluated using linear multilevel modeling. The Consolidated Framework for Implementation Research (CFIR) and Behavioral Interventions Using Technology (BIT) frameworks will be used to evaluate implementation. Discussion: This study is expected to produce a co-created evidence-based digital intervention for pediatric chronic pain and a roadmap for successful implementation. Trial registration number TRN and date of registration: ClinicalTrials.gov (registered on 26 June 2023: https://clinicaltrials.gov/study/NCT05917626). Contributions to the literature The implementation of digital health interventions has two major gaps: (1) adherence to treatment is suboptimal, and (2) the process of making the interventions available to the end-user in a sustainable way is often unsuccessful.In this study, we expect that assessing users' needs and co-designing an intervention with them will improve adherence.Documenting the implementation process from the project inception and integrating the results into an implementation framework will allow for replication and extension in different contexts.This study will increase the knowledge about implementation in a vulnerable population: adolescents with chronic pain without access to in-person multidisciplinary pain care.
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Previous research revealed that several seminal plasma (SP) metabolites are related to sperm functionality, fertility, and preservation. While it is understood that variations between species exist, whether the SP metabolome differs between donkeys and horses has not been previously investigated. The aim of this work, therefore, was to characterize and compare donkey and horse SP metabolites using nuclear magnetic resonance (NMR) spectroscopy, and relate them to sperm viability and motility. For this purpose, ejaculates from 18 different donkeys and 18 different horses were collected and separated into two aliquots: one for harvesting the SP by centrifugation and obtaining the metabolic profile through NMR, and the other for evaluating sperm viability and motility. Based on total motility and sperm viability, samples were classified as with good (GQ) or poor (PQ) quality. The metabolomic profile of donkey and horse SP revealed the presence of 28 metabolites, which coincided in the two species. Yet, differences between horses and donkeys were observed in the concentration of 18 of these 28 metabolites, as well as between ejaculates classified as GQ or PQ and in the relationship of metabolites with sperm motility and viability. These findings suggest that sperm from donkeys and horses differ in their metabolism and energetic requirements, and that the concentration of specific SP metabolites may be related to sperm functionality. Further research should shed light on the metabolic needs of donkey and horse sperm, and evaluate how the knowledge collected from the contribution of these metabolites can help improve semen preservation in the two species.
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Preservación de Semen , Semen , Caballos , Masculino , Animales , Semen/química , Equidae , Motilidad Espermática , Análisis de Semen/veterinaria , Espermatozoides , Preservación de Semen/veterinaria , Criopreservación/veterinariaRESUMEN
OBJECTIVES: This study aimed to (1) examine the extent to which the association between exposure to adverse childhood events (ACEs) and having chronic pain in adolescents is explained by the association between exposure to ACEs and sleep disturbance and (2) explore the role of sleep disturbance in the association between exposure to ACEs and anxiety and depressive symptoms in adolescents with chronic pain. METHODS: Cross-sectional data from 469 adolescents aged 13-18 years old were drawn from an epidemiological study on pediatric chronic pain conducted in Catalonia (Spain). Participants provided self-reports of demographic characteristics, exposure to ACEs, pain characteristics, sleep disturbance, anxiety, and depressive symptoms. Mediation and moderation models were conducted. RESULTS: Sleep disturbance explained a significant amount of the variance in the association between exposure to ACEs and the presence of chronic pain. Moreover, sleep disturbance explained a significant amount of the variance in the association between exposure to ACEs and depressive symptoms and moderated the association between exposure to ACEs and anxiety in adolescents with chronic pain. CONCLUSION: The study findings suggest the possibility that addressing sleep disturbance in adolescents exposed to ACEs may help to prevent the development of chronic pain, anxiety, and depressive symptoms in those adolescents who already have chronic pain.
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Dolor Crónico , Trastornos del Sueño-Vigilia , Humanos , Niño , Adolescente , Dolor Crónico/epidemiología , Estudios Transversales , Ansiedad/epidemiología , Trastornos de Ansiedad , Trastornos del Sueño-Vigilia/epidemiología , Sueño , Depresión/epidemiologíaRESUMEN
ABSTRACT: The Graded Chronic Pain Scale (GCPS) was originally developed to grade the severity of chronic pain conditions in adults. A revised version of this instrument (ie, GCPS-R) has been developed for use with adults to account for advances in pain metrics and new operational definitions of chronic pain and high-impact chronic pain. The purpose of the current study was to adapt the GCPS-R for use with pediatric samples (P-GCPS-R) and evaluate the adapted measure's concurrent validity. One thousand five hundred sixty-four school-aged children and adolescents (55% girls; 8-18 years) completed the P-GCPS-R and provided responses to measures of physical health, anxiety and depressive symptoms, maladaptive pain coping strategies, and activity limitations. Results showed that 14% of participants had chronic pain, of which 37% (5% of the whole sample) had mild chronic pain, 45% (6% of the whole sample) bothersome chronic pain, and 18% (3% of the whole sample) high-impact chronic pain. Participants without chronic pain and those with mild chronic pain showed no significant between-group differences in any of the study measures. Participants with bothersome chronic pain and high-impact chronic pain reported worse physical health, more anxiety and depressive symptoms, pain catastrophizing, and activity limitations than those with mild chronic pain. Participants with high-impact chronic pain reported more activity limitations than those with bothersome chronic pain. The findings support the concurrent validity of the P-GCPS-R for use with pediatric samples.
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OBJECTIVE: The purpose of this study was to examine (1) the associations of anxiety, depressive symptoms, and pain catastrophizing with pain medication use in adolescents with chronic pain and (2) the extent to which these associations differed as a function of adolescents' sex. METHODS: Cross-sectional data from 320 adolescents 12-18 years of age with chronic pain were drawn from an epidemiological study on pediatric chronic pain conducted in Reus (Catalonia, Spain). Participants were asked to provide sociodemographic information and respond to measures assessing pain (location, frequency, intensity, and interference), pain medication use, anxiety, depressive symptoms, and pain catastrophizing. Point biserial correlations were conducted to examine univariate associations between the psychological variables and pain medication use. Hierarchical logistic regression analysis was used to examine these associations while controlling for demographic characteristics, pain intensity, and pain interference. RESULTS: Anxiety, depressive symptoms, and pain catastrophizing were significantly associated with pain medication use in univariate analyses. Regression analysis identified pain catastrophizing as a unique independent predictor of pain medication use after controlling for the effect of demographic variables (sex and age), pain intensity, and pain interference (odds ratio = 1.1, P < .05). No moderating effect of adolescents' sex on the associations between psychological factors and pain medication use was found. CONCLUSIONS: Adolescents with chronic pain with higher levels of pain catastrophizing use pain medications more often. Research to examine the impact of interventions targeting pain catastrophizing on pain medication use among adolescents with chronic pain would be an important next step.
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Dolor Crónico , Humanos , Adolescente , Niño , Dolor Crónico/psicología , Estudios Transversales , Depresión/tratamiento farmacológico , Depresión/epidemiología , Depresión/psicología , Análisis de Regresión , Trastornos de Ansiedad/complicaciones , Catastrofización/psicologíaRESUMEN
Background and aims: Self-management interventions have the potential to improve patient' pain condition as they involve tasks aimed at managing symptoms and reducing interference with activities, mood and relationships due to pain. However, research on factors that facilitate or hinder pain self-management has overlooked patients with both chronic musculoskeletal pain and depression in primary care settings, also leaving unattended patient views on the usefulness of such programs. Thus, the main aim of this study was to gather meaningful information to help promoting adequate self-management. Specifically, it attempts to identify patients' perceptions of barriers and facilitators of group-based psychoeducational intervention and to explore its perceived usefulness in promoting self-management. Method: This qualitative study explored perceived barriers and facilitators of a psychoeducational intervention for the management of chronic musculoskeletal pain and depression previously tested in a Randomized Control Trial. We conducted focus groups and individual interviews with fifteen adult patients with both chronic musculoskeletal pain and depression recruited from primary care centres in Tarragona province (Catalonia, Spain). A content thematic analysis was carried out to examine the data. This study followed the Consolidated Criteria for Reporting Qualitative Research (COREQ) guidelines. Results: Findings revealed that perceived barriers included lack of motivation, time constraints, pain, depression, ineffectiveness of pain-relief strategies and activity avoidance. Facilitators were having a supportive family/friends, the positive effects of self-management, high motivation, being a proactive patient. Peer support and identification, the positive effect of sessions, and free expression were highlighted as key elements of the psychoeducational intervention. Conclusion: The psychoeducational intervention was perceived as useful in promoting self-management practices. Barriers and facilitators in using self-management strategies were related, mainly, to internal personal characteristics of the patients being similar among different cultural backgrounds and distinct chronic conditions. Implications: These findings can help to guide clinicians in the development and implementation of more effective pain self-management interventions for patients with chronic pain and depression by attending to their needs and preferences.
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Between 10% and 20% of patients with cancer-related pain cannot achieve adequate control following the three-step ladder guidelines by the World Health Organization. Therefore, a "fourth step", including interventional approaches, has been suggested for those cases. Systematic reviews support the early use of interventional procedures to treat refractory cancer pain, control symptoms and prevent opioid dose escalation. There is strong evidence of the efficacy of celiac plexus or splanchnic neurolysis, vertebroplasty, kyphoplasty and intrathecal drug delivery. Those procedures have been found to be associated with a decrease in the symptom burden and opioid consumption, improved quality of life, and suggested as having a potentially positive impact on survival. Several studies have recommended using specific interventional techniques at earlier stages, possibly even when opioid treatment is first being considered. Conversely, leaving these options as a last analgesic resource might not be advisable since the burden these procedures might impose on too ill patients is significant. The objective of this review was to collect the available evidence published on the use of interventional treatments for refractory cancer pain with a particular interest in comparing early versus late indications. The results of the search demonstrated a very low number and quality of articles particularly addressing this question. This scarce number of evidence precluded performing a systematic analysis. A detailed and narrative description of the potential benefits of integrating interventional techniques into clinical guidelines at the early stages of the disease is provided.
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BACKGROUND: Chronic pain and depression are frequent comorbidities in primary care. Depression among other psychosocial factors play a role in the clinical course of chronic pain. OBJECTIVE: To study the short and long-term predictive factors of severity and interference of chronic pain in primary care patients with chronic musculoskeletal pain and major depression. METHODS: Longitudinal study of a cohort of 317 patients. The outcomes are severity and functional interference of pain (Brief Pain Inventory) measured at 3 and 12 months. We performed multivariate linear regression models to estimate the effects the explanatory baseline variables on the outcomes. RESULTS: 83% participants were women; average age was 60.3 years (SD = 10.2). In multivariate models, baseline pain severity predicted pain severity at 3 months (ß = 0.53; 95% CI = 0.37-0.68) and at 12 months (ß = 0.48; 95% CI = 0.29-0.67). Also, pain > 2 years of evolution predicted long term pain severity (ß = 0.91; CI95%=0.11-1.71). Baseline pain interference predicted interference at 3 and 12 months (ß = 0.27; 95%CI = 0.11-0.43 and ß = 0.21; 95%CI = 0.03-0.40, respectively). Baseline pain severity predicted interference at 3 and 12 months (ß = 0.26; 95%CI = 0.10-0.42 and ß = 0.20; 95%CI = 0.02-0.39, respectively). Pain > 2 years predicted greater severity and greater interference at 12 months (ß = 0.91; CI95%=0.11-1.71, and ß = 1.23; CI95%=0.41-2.04). Depression severity predicted more interference at 12 months (ß = 0.58; CI95%=0.04-1.11). Occupational status as active worker predicted less interference throughout the follow-up (ß=-0.74; CI95%=-1.36 to -0.13 and ß=-0.96; CI95%=-1.71 to -0.21, at 3 and 12 months). Currently working also predicts less pain severity at 12 months (ß=-0.77; CI95%=1.52 - 0.02). With regard to the psychological variables, pain catastrophizing predicted pain severity and interference at three months (ß = 0.03; 95% CI = 0.00-0.05 and ß = 0.03; 95% CI = 0.00-0.05), but not at long term. CONCLUSION: In a sample of adults with chronic pain and depression, this primary care study has identified prognostic factors that independently predict the severity and functional interference of pain. If confirmed in new studies, these factors should be targeted for individualized interventions. TRIAL REGISTRATION: ClinicalTrials.gov (NCT02605278), registered 16/11/2015.
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Dolor Crónico , Dolor Musculoesquelético , Adulto , Humanos , Femenino , Persona de Mediana Edad , Masculino , Dolor Crónico/psicología , Depresión/psicología , Estudios Longitudinales , Dimensión del Dolor , Atención Primaria de SaludRESUMEN
As guest editors, we are pleased to present this Special Issue entitled "Assisted Reproductive Technologies (ARTs) in Domestic Mammals", comprising 10 articles of relevant interest in the field of animal reproduction [...].
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Pain is a common experience among children and adolescents, and pain management in this population is a challenge to clinicians. The aims of this study were to increase our understanding of current practices in the management of both acute and chronic pediatric pain in Spain, explore potential barriers to ideal practices, and identify professional needs as perceived by healthcare professionals. A total of 277 healthcare professionals took part, all of whom had wide experience in managing children and adolescents with pain (M [SD] age = 44.85, [10.73]; 75% women). Participants had to respond to a web-based survey with 50 questions related to pain education, organizational characteristics of their pain programs (including the characteristics of the patients treated), and current practices in the assessment and treatment of children and adolescents with pain. Almost all the participants (93%) acknowledged important gaps in their training, and only 47% reported that they had received specific education on the management of pediatric pain during their undergraduate and postgraduate studies. A third (31%) were members of multidisciplinary teams, and almost all (99%) understood that protocols to guide the management of pain in young people were necessary. However, only a few of them used a protocol to assess and treat (56% and 48%, respectively) acute and chronic pain (24% and 23%, respectively). The data also showed that a lack of pain education, coordination of professionals, and guidelines was perceived as an important barrier in the care provided to children and adolescents with pain in Spain. The findings of this study can now be used by healthcare professionals in Spain interested in managing pediatric pain, as well as policymakers concerned to improve the education of professionals and the care given to young people with pain.