Chronic pain in the time of COVID-19: Stress aftermath and central sensitization

Mental Health Outcomes of Endometriosis Patients during the COVID-19 Pandemic: Impact of Pre-pandemic Central Nervous System Sensitization

To correlate pain-related phenotyping for central nervous system sensitization in endometriosis-associated pain with mental health outcomes during the COVID-19 pandemic, the prospective Endometriosis and Pelvic Pain Interdisciplinary Cohort (ClinicalTrials.gov #NCT02911090) was linked to the COVID-19 Rapid Evidence Study of a Provincial Population-Based Cohort for Gender and Sex (RESPPONSE) dataset. The primary outcomes were depression (PHQ-9) and anxiety (GAD-7) scores during the pandemic. The explanatory variables of interest were the Central Sensitization Inventory (CSI) score (0-100) and endometriosis-associated chronic pain comorbidities/psychological variables before the pandemic. The explanatory and response variables were assessed for correlation, followed by multivariable regression analyses adjusting for PHQ-9 and GAD-7 scores pre-pandemic as well as age, body mass index, and parity. A higher CSI score and a greater number of chronic pain comorbidities before the pandemic were both positively correlated with PHQ-9 and GAD-7 scores during the pandemic. These associations remained significant in adjusted analyses. Increasing the CSI score by 10 was associated with an increase in pandemic PHQ-9 by .74 points (P < .0001) and GAD-7 by .73 points (P < .0001) on average. Each additional chronic pain comorbidity/psychological variable was associated with an increase in pandemic PHQ-9 by an average of .63 points (P = .0004) and GAD-7 by .53 points (P = .0002). Endometriosis patients with a history of central sensitization before the pandemic had worse mental health outcomes during the COVID-19 pandemic. As a risk factor for mental health symptoms in the face of major stressors, clinical proxies for central sensitization can be used to identify endometriosis patients who may need additional support. PERSPECTIVE: This article adds to the growing literature of the clinical importance of central sensitization in endometriosis patients, who had more symptoms of depression and anxiety during the COVID-19 pandemic. Clinical features of central sensitization may help clinicians identify endometriosis patients needing additional support when facing major stressors.

Addressing post-COVID-19 musculoskeletal symptoms through pulmonary rehabilitation and telemedicine: A study protocol

Objective

The purpose of the study will be to evaluate the effect of pulmonary rehabilitation on the improvement of patients with post-COVID-19 musculoskeletal symptoms, as well as to quantify the impact of telemedicine that evaluates the evolution of pain, functionality, and quality of life.

Methods

We will carry out a case-control study in post-COVID-19 musculoskeletal symptoms patients who will undergo pulmonary rehabilitation, together with an intervention and a follow-up using programmed telemedicine sessions. Data will be collected on the improvement of functional capacity and quality of life, in addition to assessing the evolution of musculoskeletal symptomatology, as well as pain and psychological variables. The approaches of face-to-face rehabilitation and telerehabilitation will also be compared. The telemedicine sessions will improve user adherence and follow-up, and the results are expected to be disseminated to the scientific community during and after the end of the study.

Sub-acute pain after childbirth during COVID-19 pandemic: A secondary analysis of A prospective clinical trial

Background

COVID-19 pandemic could bring great impact upon the psychological statuses of post-partum women, but no clear evidence was provided yet as to COVID-19 would also affect their pain profile during post-partum period. We determined if pain and psychological vulnerabilities, obstetric factors, and labor analgesia were associated with sub-acute pain after childbirth (SAPC; ongoing pain related to delivery at post-partum 4 weeks or more) during COVID-19 pandemic.

Methods

We included women having a singleton pregnancy of ≥36 gestational weeks. The recruited women were given pre-delivery questionnaires to measure their pain and psychological vulnerabilities. At post-partum 6-10 weeks, an online survey was conducted to collect data on post-partum pain information.

Results

Of the 880 recruited women, 816 completed the post-partum pain survey, with 99 (12.1%) having developed SAPC. Giving birth during COVID-19 pandemic (adjusted odds ratio (aOR) 1.64, 95%CI 1.04 to 2.57), greater pre-delivery central sensitization (aOR 1.02, 95%CI 1.00 to 1.04), greater number of pain relief administered (aOR 1.49, 95%CI 1.18 to 1.89), having had artificial rupture of membrane and oxytocic during labor onset (aOR 3.00, 95%CI 1.66 to 5.40), greater volume of blood loss during delivery (every 100 ml; aOR 1.27, 95%CI 1.11 to 1.44), having had third-degree tear during delivery (aOR 4.40, 95%CI 1.33 to 14.51), and greater infant height (aOR 1.14, 95%CI 1.01 to 1.30) were independently associated with greater risk of SAPC. Having greater general health score was protective against the risk of SAPC (aOR 0.99, 95% CI 0.97 to 0.999) (Area under the curve (AUC) = 0.74).

Conclusions

The generated multivariable association model may help us better understand the shift in pain and psychological aspects of women during COVID-19 pandemic.

COVID-19 pandemic stress and cancer symptom burden

OBJECTIVES

In a sample of patients with cancer (n=1145) who were assessed during the height of the COVID-19 pandemic, latent profile analysis was used to identify subgroups of patients with distinct stress profiles and to evaluate for differences in demographic and clinical characteristics and symptom severity scores among these subgroups.

METHODS

Patients completed measures of cancer-specific and COVID-19 stress, global stress, social isolation, loneliness, depression, state and trait anxiety, morning and evening fatigue, morning and evening energy, sleep disturbance, cognitive function, and pain. Latent profile analysis was used to identify subgroups of patients with distinct stress profiles. Differences among the subgroups in study measures were evaluated using parametric and non-parametric tests.

RESULTS

Using clinically meaningful cut-off scores for the stress measures, four distinct stress profiles were identified (ie, none class (51.3%); low stress and moderate loneliness class (24.4%), high stress and moderate loneliness class (14.0%), and very high stress and moderately high loneliness class (high, 10.3%)). Risk factors associated with membership in the high class included: younger age, lower annual household income, lower functional status and higher comorbidity burden. The two worst stress profiles reported clinically meaningful levels of all of the common symptoms associated with cancer and its treatments.

CONCLUSION

Findings from this study, obtained prior to the availability of COVID-19 vaccines and anti-viral medications, provide important 'benchmark data' to evaluate for changes in stress and symptom burden in patients with cancer in the postvaccine era and in patients with long COVID-19.

A Longitudinal Investigation of the Impact of COVID-19 on Patients With Chronic Pain

The COVID-19 pandemic prompted unexpected changes in the healthcare system. This current longitudinal study had 2 aims: 1) describe the trajectory of pandemic-associated stressors and patient-reported health outcomes among patients receiving treatment at a tertiary pain clinic over 2 years (May 2020 to June 2022); and 2) identify vulnerable subgroups. We assessed changes in pandemic-associated stressors and patient-reported health outcome measures. The study sample included 1270 adult patients who were predominantly female (74.6%), White (66.2%), non-Hispanic (80.6%), married (66.1%), not on disability (71.2%), college-educated (59.45%), and not currently working (57.9%). We conducted linear mixed effect modeling to examine the main effect of time with controlling for a random intercept. Findings revealed a significant main effect of time for all pandemic-associated stressors except financial impact. Over time, patients reported increased proximity to COVID-19, but decreased pandemic-associated stressors. A significant improvement was also observed in pain intensity, pain catastrophizing, and PROMIS-pain interference, sleep, anxiety, anger, and depression scores. Demographic-based subgroup analyses for pandemic-associated stressors revealed that younger adults, Hispanics, Asians, and patients receiving disability compensation were vulnerable groups either during the initial visit or follow-up visits. We observed additional differential pandemic effects between groups based on participant sex, education level, and working status. In conclusion, despite unanticipated changes in pain care services during the pandemic, patients receiving pain treatments adjusted to pandemic-related stressors and improved their health status over time. As the current study observed differential pandemic impacts on patient subgroups, future studies should investigate and address the unmet needs of vulnerable subgroups. PERSPECTIVE: Over a 2-year timeframe, the pandemic did not adversely influence physical and mental health among treatment-seeking patients with chronic pain. Patients reported small but significant improvements across indices of physical and psychosocial health. Differential impacts emerged among groups based on ethnicity, age, disability status, gender, education level, and working status.

A Qualitative Study of the Latter Effects of the COVID-19 Pandemic on Patients Living With Chronic Pain

This qualitative study examined the effects of the COVID-19 pandemic on the lives of patients living with chronic pain (CP). Patients referred to an interdisciplinary pain management program between July and December of 2021 were asked to respond to the question: "How did the COVID-19 pandemic affect your life?" Fifty-four patients provided comments in response to this question. The comments were analyzed using an inductive approach. Ten themes emerged: (1) psychological state, (2) limitations on social life and activities, (3) minimal to no effect, (4) beliefs and opinions associated with COVID-19, (5) family dynamics, (6) healthcare disruptions, (7) pandemic-related fear, (8) changes in work, (9) change in pain, and (10) getting COVID-19. These themes mirror those found during the onset of the pandemic, with the addition of theme #4. Themes demonstrate the challenges experienced by individuals living with CP, in addition to new developments in the latter portion of the COVID-19 pandemic. It is important to understand the ramifications of shutdowns, so we are better able to address issues that occur in their aftermath.

COVID-19 and processes of adjustment in people with persistent pain: the role of psychological flexibility

OBJECTIVES

The purpose of the current study was to investigate facets of Psychological Flexibility (PF) and Psychological Inflexibility (PI) and their relations with depression, anxiety, and insomnia in people with chronic pain during the COVID-19 pandemic. It was predicted that the full set of facets would significantly predict all three outcomes. The relative contributions of differing facets and dimensions was explored.

METHODS

Participants with pain were selected from a sample of 1,657 Swedish adults responding to an online survey of health and COVID-19. Persistent pain was defined as pain on most days, present for three months or more. A total of 560, 33.8% of the total sample, were included in the analyses. Standardized and validated measures were used to measure depression, anxiety, and insomnia, and the Multidimensional Psychological Flexibility Inventory (MPFI) was used to measure both PF and PI.

RESULTS

Significant rates of depression, anxiety, and insomnia, at 43.1, 26.4, and 64.2%, respectively, were found in this sample. These rates appear higher than those found in a general sample in Sweden. PF was negatively associated with these problems while PI was positively associated with them. Better prediction of outcome was obtained by PI compared to PF.

CONCLUSIONS

PF and especially PI appear to have played a role in relation to health outcomes in people with persistent pain during the COVID-19 pandemic. This group of people appears to have been especially vulnerable to the impacts of the pandemic. This study motivates further investigation and development of treatment approaches, possibly focusing on training PF, for people with persistent pain in the current pandemic context and in the future.

The effect of central sensitization on disease activity measures, quality of life and clinical parameters in axial spondyloarthritis: a cross-sectional study

Objective

Despite biological drug therapy, pain remains a persistent complaint in patients with axial spondyloarthritis (axSpA). We aimed to investigate the effect of central sensitization (CS) on disease activity measures, quality of life, and clinical parameters in axSpA patients.

Methods

We consecutively recruited axSpA patients who were followed up at our rheumatology outpatient clinic, and age- and sex-matched controls in this cross-sectional study. The central sensitization inventory, douleur neuropathique 4 (DN4) questions, and 2010 American College of Rheumatology fibromyalgia (FM) diagnostic criteria were applied to all individuals. The patients' clinical parameters were recorded. The data of the patient and control groups were compared.

Results

Of the 116 axSpA patients (57 female) and 95 controls (46 female) who participated in this study, CS was determined in 46.6% of axSpA patients and 13.7% of controls (p<0.001). Patients with CS exhibited high disease activity, and poor quality of life and functionality than without it (all p<0.001). The median CS, frequency of FM and frequency of neuropathic pain were higher in patients than in the controls (all p<0.001). CS-related conditions, including anxiety and depression, were higher in axSpA patients than in controls (both p<0.05).

Conclusion

The results showed that CS was common in axSpA patients, and patients with CS had higher disease activity, worse quality of life, and worse functional status than those without CS.

Chronic pain and continuity of analgesic treatment during the COVID-19 pandemic

INTRODUCTION

Chronic pain can trigger both physical and mental health complications. During the COVID-19 pandemic, patients with chronic diseases have had reduced access to some medications.

OBJECTIVE

To determine the pharmacological management of patients with chronic pain and its continuity during the COVID-19 pandemic.

METHODS

This was a retrospective longitudinal study of the continuity of analgesic use in patients with chronic pain between September 1, 2019 and February 28, 2021 based on a drug dispensing database. Survival analysis was performed until the discontinuation of chronic analgesics.

RESULTS

A total of 12,701 patients who were being treated for chronic pain were identified. Their median age was 70.3 years, and 74.4% were women. The pain of rheumatological origin was the most frequent etiology (46.1%); the most used medications were nonopioid analgesics (78.9%), pain modulators (24.8%) and opioid analgesics (23.3%). A total of 76.1% of the patients experienced interruptions in their management during the study period. The median time to the first interruption of treatment was 5.0 months (95% CI: 4.8-5.2). Those who were treated for oncological pain experienced a greater number of interruptions in their management.

CONCLUSIONS

The pharmacological management of patients with chronic pain is heterogeneous, and this real-world study showed that a high proportion of patients experienced an interruption of pain management during the 12 months following the onset of the COVID-19 pandemic.

The impact of the COVID-19 pandemic on orofacial pain practice: Perceptions from a convenience sample of orofacial pain practitioners

BACKGROUND

COVID-19 has had a substantial impact on people's lives. Increasing evidence indicates that patients with chronic pain particularly are being affected; however, few articles have examined how the pandemic has affected the care or clinical presentation of patients with orofacial pain. The aim of this study was to describe COVID-19-related changes in referral patterns and numbers, in patient demographics, in patients' seeking treatment for problems, and in administrative procedures in 3 orofacial pain clinical settings.

METHODS

Practitioners participating in the American Academy of Orofacial Pain webinar titled "Practicing Orofacial Pain, Headache, and Sleep Care During the COVID-19 Pandemic" completed a voluntary anonymous online survey. Survey respondents completed general questions related to their orofacial pain practices and about perceptions of their patients' symptoms. For statistical analysis, the authors calculated frequencies and used analysis of variance for continuous variables or Likert scale variables and the χ² test for dichotomous or categorical variables. Statistical significance was set at P value of .05 or below.

RESULTS

Practitioners noted an increase in new patients with orofacial pain. Of the participants, 33% indicated the onset of their patients' pain was often or extremely often related to COVID-19. The 5 most common symptoms that providers felt were aggravated in their patients were masticatory muscle myalgia, anxiety, tension-type headache, bruxism, and insomnia or fragmented sleep.

CONCLUSION

The COVID-19 pandemic has resulted in a marked increase in the number of patients seeking consultation for orofacial pain and associated symptoms.

PRACTICAL IMPLICATIONS

Because of the COVID-19 pandemic, orofacial pain practitioners have noticed an increase in orofacial pain symptoms across practice settings.

Chronic pain experience through COVID-19: a comparison of reports prior and during the early stages of the pandemic

ABSTRACT

The impacts of COVID-19 and imposed restrictions on individuals with chronic noncancer pain continue to emerge, varying across countries. More recent research (including with longitudinal designs) suggests that the pandemic may not have such a disproportionate effect on chronic noncancer pain and its management as first thought. This longitudinal study, with assessments before the pandemic (2019) and early during the pandemic (May-July 2020), examined changes in validated measures of pain severity, pain interference, prescription opioid misuse, and mental health symptoms. Patients (N = 236) self-reported significant improvements in pain severity, pain interference, pain self-efficacy, pain catastrophizing, prescription opioid misuse, depression, and anxiety symptoms over time. Approximately 30% and 33% of patients achieved minimally important reductions (10% change) in pain severity and pain interference, respectively. In follow-up exploratory analyses, prepandemic sociodemographic and psychological factors predictive of 10% improved (vs 10% worse) pain severity and interference were investigated in logistic regressions. Reduction in pain interference was predicted by current employment, older age, and higher pain self-efficacy. There were no significant predictors of reduction in pain severity. The impact of COVID-19 on patients' pain experience and mental health was negligible in the early stages of the pandemic, and findings suggest improvements through the period. Targeted interventions that promote the protective factor of pain self-efficacy and build resilience may buffer patients' future response to the pandemic because it evolves as a part of our new normal. Targeted social determinants of health interventions that direct resources toward maintaining employment could also be important.

Evaluation of post-COVID health status using the EuroQol-5D-5L scale

SARS-CoV-2 has had a lasting effect on the overall health of recovered patients, called 'long COVID'. Currently, there is a lack of a validated standard questionnaire to assess post-COVID health status. A retrospective observational study involving the recovered COVID patients admitted to a secondary care hospital in India between June to December 2020 (n = 123), was conducted using the EuroQol-5D-5L scale at discharge, 4 weeks and 8 weeks post-discharge. A significant difference in anxiety/depression scores was found (χ² = 65.6, p < 0.000) among the 3 categories of time (discharge, 4 weeks and 8 weeks). The anxiety/depression dimension scores showed a significant change (p < 0.0001) between discharge and 8 weeks, using paired t-test. Age had a significant relationship with the anxiety/depression dimension at 4 weeks (OR = 5.617, 95% CI = 1.0320-30.5746, p < 0.05). A significant difference was found using Kruskal-Wallis rank-sum test on mean index scores (χ² = 60.0, p < 0.000) among the three categories of time (discharge, 4 weeks and 8 weeks). There was a statistically significant difference of time on EQ Index scores as determined by one-way repeated measures ANOVA (F(2,375) = 18.941, p = <0.00001). Our study found time to have a statistically significant impact on the mean index scores, level sum scores and dimension scores. Smoking was found to be significantly associated with usual activity scores at 4 weeks. The most remarkable changes occurred in the anxiety/depression dimension. Overall, there was a general trend of health improvement.

Pain Interference, Resilience, and Perceived Well-Being During COVID-19: Differences Between Women With and Without Trauma Exposure Prior to the Pandemic

Objectives: The aim of this study was to investigate the consequences of the COVID-19 pandemic in women with non-malignant chronic pain, and to determine whether women exposed to traumatic situations prior to the outbreak would be at a higher risk of negative health impacts.

Methods: A total of 365 women were divided into three subgroups according to whether or not they had experienced a traumatic event prior to COVID-19. They completed an online survey.

Results: Significant differences were found between groups during lockdown: 1) more psychological abuse was experienced by the group of women who had experienced an interpersonal traumatic event prior to the pandemic than in the other subgroups; 2) physical activity levels were higher and scores on pain interference were lower in women in the non-traumatized subgroup than in the other subgroups; 3) pain interference was predicted by pain intensity, decreased social support, and resilience, whereas perceived well-being was predicted by pain interference.

Conclusion: Women who had experienced a traumatic event prior to the pandemic suffered worse consequences of the COVID-19 lockdown, particularly greater pain interference, although resilience was shown to both mitigate pain interference and enhance perceived well-being.

The COVID-19 pandemic and its consequences for chronic pain: a narrative review

The COVID-19 pandemic transformed everyday life, but the implications were most impactful for vulnerable populations, including patients with chronic pain. Moreover, persistent pain is increasingly recognised as a key manifestation of long COVID. This narrative review explores the consequences of the COVID-19 pandemic for chronic pain. Publications were identified related to the COVID-19 pandemic influence on the burden of chronic pain, development of new-onset pain because of long COVID with proposed mechanisms and COVID-19 vaccines and pain interventions. Broadly, mechanisms underlying pain due to SARS-CoV-2 infection could be caused by 'systemic inflammatory-immune mechanisms', 'direct neuropathic mechanisms' or 'secondary mechanisms due to the viral infection or treatment'. Existing chronic pain populations were variably impacted and social determinants of health appeared to influence the degree of effect. SARS-CoV-2 infection increased the absolute numbers of patients with pain and headache. In the acute phase, headache as a presenting symptom predicted a milder course. New-onset chronic pain was reportedly common and likely involves multiple mechanisms; however, its prevalence decreases over time and symptoms appear to fluctuate. Patients requiring intensive support were particularly susceptible to long COVID symptoms. Some evidence suggests steroid exposure (often used for pain interventions) may affect vaccine efficacy, but there is no evidence of clinical repercussions to date. Although existing chronic pain management could help with symptomatic relief, there is a need to advance research focusing on mechanism-based treatments within the domain of multidisciplinary care.

The relationship between COVID-19 and fibromyalgia syndrome: prevalence, pandemic effects, symptom mechanisms, and COVID-19 vaccines

On March 11, 2020, the World Health Organization, realizing the level of spread worldwide and the severity of the condition, accepted coronavirus disease 19 (COVID-19) as a pandemic. Subsequently, quarantine conditions were implemented around the world, and these triggered particular results. Like all other individuals, fibromyalgia syndrome (FMS) patients were affected by these conditions. The stress load in pandemic conditions, difficulties in accessing healthcare services, changes in exercise compliance, variations in physiotherapy programs, and remote work conditions all had an impact on FMS patients. Although general expectations were negative, some FMS patients were able to manage the pandemic conditions and even turn them in their favor. This is thought to be due to this patient group having established strategies to cope with stress in the pre-pandemic period, and they had sufficient ability to adapt to changing situations. FMS-related symptoms occur in a subset of individuals following COVID-19. One of the factors is the increased psychological burden after COVID-19. There is evidence that neuroinflammatory pathways affect neuroplasticity in the central nervous system and trigger the onset of FMS-related symptoms. Among the probable mechanisms are alterations in inflammatory and anti-inflammatory pathways. Changes in the autonomic nervous system with the effect of SARS-CoV-2 may induce the emergence of FMS-related symptoms. FMS and COVID-19 can coexist, and FMS may create a tendency to vaccine hesitancy. Future studies should focus on elucidating FMS-related symptoms occurring post-COVID-19. There is a need to determine distinctions between the FMS clinical status that emerged following COVID-19 and the regular patient group in terms of diagnosis, treatment, and follow-up.

Sensitization symptoms are associated with psychological and cognitive variables in COVID-19 survivors exhibiting post-COVID pain

OBJECTIVE

To investigate the association between demographic, clinical, psychological, cognitive, and health-related variables and the Central Sensitization Inventory (CSI) in previously hospitalized COVID-19 survivors exhibiting "de novo" post-COVID pain.

METHODS

Seventy-seven (n = 77) COVID-19 survivors with "de novo" post-COVID pain completed demographic (age, height, and weight), clinical (duration and intensity of the pain), psychological (depressive/anxiety levels and sleep quality), cognitive (catastrophizing and kinesiophobia levels), and health-related quality of life variables as well as the CSI. A multivariable correlation analysis was conducted to determine the association between variables, and a stepwise multiple linear regression model was performed to identify CSI predictors.

RESULTS

Patients were assessed a mean of 6.0 (SD 0.8) months after hospital discharge. Twenty-six (33.7%) individuals showed indications of sensitization-associated symptoms (CSI score ≥40 points). The CSI score was positively associated with pain intensity (r: 0.371), anxiety (r: 0.784), depressive (r: 0.709), catastrophizing (r: 0.620), and kinesiophobia (r: 0.359) levels (all, p < 0.001). The stepwise regression analysis revealed that 60.2% of CSI was explained by anxiety levels and pain intensity.

CONCLUSION

This study found that psychological and cognitive variables were associated with the CSI score in previously hospitalized COVID-19 survivors with "de novo" post-COVID pain. Anxiety levels and the intensity of pain symptoms were independently associated with CSI score suggesting a significant overlap with psychological construct. The "de novo" post-COVID pain association with CSI may indicate changes in the pain processing important for managing the pain.

The Role of Resilience, Happiness, and Social Support in the Psychological Function during the Late Stages of the Lockdown in Individuals with and without Chronic Pain

There is mounting evidence to suggest that individuals with chronic pain adjusted poorly to and were impacted negatively by social distancing measures during the lockdown. However, there is limited data on the factors that might protect against the negative effects associated with social distancing measures, as most research has been conducted in the general population and in the initial stages of the lockdown. The aim of this study was to improve the understanding of the role that resilience, happiness, and social support, all factors that are thought to have a protective role, played in the psychological function (measured as anxiety, depression, and stress) to the social distancing measures during the late stages of the lockdown in a sample of adults with and without chronic pain living in Spain. A group of 434 adults responded to an online survey and provided information on sociodemographic issues, which included measures of pain, perceived health and quality of life, depression, anxiety, stress, resilience, happiness, and social support. The data showed that individuals with chronic pain (N = 200; 46%) reported statistically significant worst psychological function, that is to say, they reported higher levels of anxiety, depression, and stress (all ps < 0.001). Resilience, social support, and happiness proved to be significant predictors of anxiety, depression, and stress, after controlling for the effects of age, gender, and chronic pain. Although the effect sizes were small to medium, they are consistent with the findings of other studies. The findings from this study provide important additional new information regarding the associations between resilience, happiness, and social support and the adjustment to the social distancing measures during the late stages of the lockdown. These findings can be used to develop programs to improve adjustment to and coping with the demands of social distancing measures.

Social support and psychological distress among chronic pain patients: The mediating role of mindfulness

Although an inverse relation between social support and psychological distress among chronic pain patients has been previously reported, little is known about what mediates this association. We examined mindfulness as a mediator of the relationship between social support and psychological distress. In this cross-sectional study, chronic pain patients (N=94) completed assessments of social support, mindfulness, and psychological distress. Greater social support was associated with less psychological distress. Greater mindfulness was associated with greater social support and less psychological distress. Mediation analyses demonstrated that mindfulness partially mediated the relationship between social support and psychological distress. Findings support and extend prior research by demonstrating a potentially important mediating effect of mindfulness within chronic pain patients. This suggests an important link between social support and mindfulness, and that their integration in the pursuit of mental health should be considered in future behavioral interventions.

A better but persistently low health status in women with fibromyalgia during the COVID-19 pandemic: a repeated cross-sectional data analysis

Multiple overlapping and complementary theoretical arguments suggest that the COVID-19 pandemic could worsen health in fibromyalgia. The aim of this study was to determine mental and physical health in women with fibromyalgia before and during the pandemic. In a 3-sample, repeated cross-sectional design, we analyzed questionnaire data from Dutch women with fibromyalgia, collected in three independent samples: before the COVID-19 pandemic (2018; n = 142) and during the first acute (2020; n = 304) and prolonged (2021; n = 95) phases of the pandemic. Eight dimensions of mental and physical health were assessed using The RAND 36-Item Short Form Health Survey (RAND SF-36). Compared to norm group data, both before and during the pandemic, women with fibromyalgia showed high levels of fatigue and pain and low levels of general health, social functioning, physical functioning, role physical functioning (d > 1.2, very large effect sizes), role emotional functioning, and mental health (0.71 < d < 1.2, medium to large effect sizes). Contrary to theoretical expectation, levels at five health variables before vs. during the pandemic did not differ (p > 0.05), and levels of pain (p < 0.001), role physical functioning (p < 0.001), and physical functioning (p = 0.03) (0.014 ≤ pη² ≤ 0.042, small effect sizes) reflected a healthier status during than before the pandemic. These findings indicate a somewhat better but persistently low health status in women with fibromyalgia during the pandemic. This suggests that the pandemic may include changed circumstances that are favorable for some women with fibromyalgia.

COVID-19 Pandemic Increases the Impact of Low Back Pain: A Systematic Review and Metanalysis

In March 2019, the World Health Organization (WHO) recognized the COVID-19 pandemic as a global issue. To reduce the spread of this disease, health safety pathways were implemented worldwide. These extraordinary measures changed people's lifestyles, e.g., by being forced to isolate, and in many cases, to work remotely from home. Low back pain (LBP), the most common cause of disability worldwide, is often a symptom of COVID-19. Moreover, it is often associated with different lifestyle features (type of job, physical activity, body weight). Therefore, the purpose of this systematic review and meta-analysis was to estimate the effect of the COVID-19 lockdown on LBP intensity and prevalence compared with LBP rates before the pandemic. A systematic search was performed on Scopus, PubMed, and Cochrane Central. Overall, eight studies with 2365 patients were included in the analysis. We used the Joanna Briggs Institute (JBI) critical appraisal tool to evaluate the risk of bias: six studies (75%) were at moderate risk of bias and two studies (25%) were at low risk of bias. These studies showed an increase in both the prevalence and intensity of LBP during the COVID-19 lockdown.

Living with Chronic Pain During the COVID-19 Pandemic: A Qualitative Analysis

Purpose

COVID-19 pandemic containment measures have led to changes in various areas of life, including restrictions on health care. Patients with chronic pain may have faced an increased burden during pandemic and the resources of this vulnerable population are unknown. Therefore, a qualitative study was conducted to understand how people with chronic pain have experienced the course of the pandemic.

Patients and Methods

Twenty semi-structured telephone interviews were conducted six months after the initial lockdown in Germany. The participants were patients with chronic pain who exhibited varying changes in their pain during the first German lockdown, recruited from a German outpatient pain clinic at a Department of Anesthesiology and Intensive Care. The semi-structured interview guidelines were designed to explore how patients with chronic pain experienced their pain during the pandemic, how they coped, and how they experienced pain management during this time. The interview recordings were transcribed verbatim and coded using the qualitative content analysis method.

Results

Four themes emerged from the results: differential impact on pain experience, difficulty coping with pain, supportive pain management, and endurance.

Conclusion

During this uncertain time, it was particularly important to maintain pain treatment in order to establish a sense of safety and stability. This underscores the special role of maintaining therapeutic contact during a pandemic and the potentially special role of telemedicine.

Impact of coronavirus disease 2019 on patients with chronic pain: multicenter study in Korea

Background

The coronavirus disease 2019 (COVID-19) pandemic has caused significant changes. This study aimed to investigate the impact of COVID-19 on patients with chronic pain.

Methods

Patients with chronic pain from 23 university hospitals in South Korea participated in this study. The anonymous survey questionnaire consisted of 25 questions regarding the following demographic data, diagnosis, hospital visit frequency, exercise duration, time outside, sleep duration, weight change, nervousness and anxiety, depression, interest or pleasure, fatigue, daily life difficulties, and self-harm thoughts. Depression severity was evaluated using the Patient Health Questionnaire-9 (PHQ-9). Logistic regression analysis was used to investigate the relationship between increased pain and patient factors.

Results

A total of 914 patients completed the survey, 35.9% of whom had decreased their number of visits to the hospital, mostly due to COVID-19. The pain level of 200 patients has worsened since the COVID-19 outbreak, which was more prominent in complex regional pain syndrome (CRPS). Noticeable post-COVID-19 changes such as exercise duration, time spent outside, sleep patterns, mood, and weight affected patients with chronic pain. Depression severity was more significant in patients with CRPS. The total PHQ-9 average score of patients with CRPS was 15.5, corresponding to major depressive orders. The patients’ decreased exercise duration, decreased sleep duration, and increased depression were significantly associated with increased pain.

Conclusions

COVID-19 has caused several changes in patients with chronic pain. During the pandemic, decreased exercise and sleep duration and increased depression were associated with patients’ increasing pain.

Worsening pain and quality of life for spine surgery patients during the COVID-19 pandemic: Roles of psychological distress and patient activation

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Psychological distress compounds negative effects of COVID-19 on pain and HRQoL.

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Patient activation is protective from COVID-19 effects on pain and HRQoL.

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Providers should screen for psychological distress and patient activation.

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Enhanced patient supports to manage pain are needed for at-risk patients.

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Enhanced patient supports to maintain HRQoL are needed for at-risk patients.

Background

Public health measures during the COVID-19 pandemic have disrupted access to basic resources (income, food, housing, healthcare). The effects may impact patients differently based on socioeconomic status (SES), pre-existing psychological distress, and patient activation (knowledge, skills, and motivation to manage healthcare). We examined changes in access to basic resources and in pain and health-related quality of life (HRQoL) during the pandemic and determined how pre-existing psychological distress and patient activation are associated with exacerbation or mitigation of effects on pain and HRQoL.

Methods

This cross-sectional study assessed 431 patients in a longitudinal-outcomes registry who underwent or scheduled spine surgery at our institution and were surveyed about COVID-19 effects on accessing basic resources. We assessed pain (numeric rating scale) and HRQoL (PROMIS 29-Item Profile). Information on preoperative SES, psychological distress, patient activation, pain, and HRQoL was collected previously. We compared access to basic resources by SES. We compared changes from pre-COVID-19 to COVID-19 assessments of pain and HRQoL and proportions of patients reporting worsened pain and HRQoL stratified by psychological distress. We analyzed associations between patient activation and negative effects on HRQoL using multivariable linear regression. Alpha=0.05.

Results

Respondents reported minor disruptions in accessing basic resources (no difference by SES) but significant worsening of back (p=.027) and leg pain (p=.013) and HRQoL (physical function, fatigue, p<0.001; satisfaction with participation in social roles, p=0.048) during COVID-19. Psychological distress was associated with clinically relevant worsening of back, pain, leg pain, and physical function all, (p<0.05). High patient activation was associated with less impairment of physical function (p=0.03).

Conclusion

Patients with pre-existing psychological distress experienced greater worsening of pain and HRQoL. High patient activation appeared to mitigate worsening of physical function. Providers should screen for psychological distress and patient activation and enhance supports to manage pain and maintain HRQoL in at-risk patients.

Level of Evidence: III

Correlation between musculoskeletal pain and stress levels in teachers during the remote teaching period of the COVID-19 pandemic

Abstract Introduction Remote teaching during the COVID-19 pandemic caused teachers to work under adverse conditions and sit in front of a computer rather than stand, which can lead to musculoskeletal pain and stress in this population. Objective To observe the prevalence of musculoskeletal pain and its correlation with stress levels in teachers during the remote teaching period of the COVID-19 pandemic. Methods A cross-sectional study carried out in elementary and high schools in the city of São José do Belmonte, Pernambuco state (PE). Sixty teachers of both sexes aged 18 years and older were evaluated. The Nordic Questionnaire of Musculoskeletal Symptoms (NQMS) was used to assess musculoskeletal pain, the Visual Analogue Scale to quantify pain intensity and the Maslach Burnout Inventory to identify symptoms of stress and burnout. Results Seventy five percent (n = 45) of the teachers reported musculoskeletal pain, with a higher prevalence in the lumbar spine 68.3% (n = 41), followed by the cervical spine 45.0% (n = 27),thoracic spine, wrists and hands, both with 41.7% (n = 25). A positive correlation was observed between the presence of musculoskeletal pain and high levels of occupational stress (p = 0.036). Conclusion A high prevalence of musculoskeletal pain was identified in teachers during the remote teaching period. The lumbar, cervical and thoracic spine, wrists and hands exhibited the highest pain prevalence. Teachers who experienced musculoskeletal pain had higher stress levels and there was a positive correlation between musculoskeletal pain intensity and high occupational stress levels.

Correlação entre dor musculoesquelética e níveis de estresse em professores durante o período de ensino remoto na pandemia de COVID-19

Resumo Introdução O ensino remoto, ocorrido durante a pan-demia de COVID-19, levou os professores a trabalharem em condições adversas e modificou a postura em que eles ensinavam, passando da posição ortostática para a sentada diante de um computador, o que pode favorecer a presença de dores musculoesqueléticas e estresse. Objetivo Observar a prevalência de dor musculoesquelética e sua correlação com níveis de estresse em professores durante o ensino remoto na pandemia de COVID-19. Métodos Estudo de corte transversal realizado em escolas do ensino fundamental e médio do município de São José do Belmonte, em Pernambuco. Foram avaliados 60 professores, de ambos os sexos e faixa etária acima dos 18 anos. Para avaliar a presença de dores musculoesqueléticas, utilizou-se o N ordic Questionnaire of Musculoskeletal Symptoms ; para quantificar a intensidade das dores, a Escala Visual Analógica; e para identificar sintomas de estresse e esgotamento profissional, o Maslach Burnout Inventory . Resultados Setenta e cinco por cento (n = 45) dos professores avaliados apresentavam dores musculo-esqueléticas, com maior prevalência na coluna lombar (68,3%, n = 41), seguida pela coluna cervical (45,0%,n = 27), coluna torácica, punhos e mãos, ambos com (41,7%, n = 25). Observou-se também uma correlação positiva entre a presença de dor musculoesquelética e níveis elevados de estresse ocupacional nos professores avaliados (p = 0,036). Conclusão Observou-se uma elevada prevalência de dor musculoesquelética nos professores durante o período de ensino remoto. A coluna lombar, cervical, torácica, punhos e mãos foram as regiões com maior prevalência das dores. Os professores que apresentavam dor musculoesquelética relataram maiores níveis de estresse e houve uma correlação positiva entre a intensidade da dor musculoesquelética e níveis elevados de estresse ocupacional.

Mapping Network Connectivity Among Symptoms of Depression and Pain in Wuhan Residents During the Late-Stage of the COVID-19 Pandemic

BACKGROUND

Symptoms of depression and pain often overlap, and they negatively influence the prognosis and treatment outcome of both conditions. However, the comorbidity of depression and pain has not been examined using network analysis, especially in the context of a pandemic. Thus, we mapped out the network connectivity among the symptoms of depression and pain in Wuhan residents in China during the late stage of the COVID-19 pandemic.

METHODS

This cross-sectional study was conducted from May 25, 2020 to June 18, 2020 in Wuhan, China. Participants' depressive and pain symptoms were assessed using the 9-item Patient Health Questionnaire (PHQ9) and a pain numeric rating scale (NRS), respectively. Network analyses were performed.

RESULTS

In total, 2,598 participants completed all assessments. PHQ4 (fatigue) in the depression community showed the highest strength value, followed by PHQ6 (worthlessness) and PHQ2 (depressed or sad mood). PHQ4 (fatigue) was also the most key bridge symptom liking depression and pain, followed by PHQ3 (sleep difficulties). There were no significant differences in network global strength (females: 4.36 vs. males: 4.29; S = 0.075, P = 0.427), network structure-distribution of edge weights (M = 0.12, P = 0.541), and individual edge weights between male and female participants.

CONCLUSION

Depressive and pain symptoms showed strong cross-association with each other. "Fatigue" was the strongest central and bridge symptom in the network model, while "sleep difficulties" was the second strongest bridge symptom. Targeting treatment of both fatigue and sleep problems may help improve depressive and pain symptoms in those affected.

The Definition, Assessment, and Prevalence of (Human Assumed) Central Sensitisation in Patients with Chronic Low Back Pain: A Systematic Review

Central sensitisation is assumed to be one of the underlying mechanisms for chronic low back pain. Because central sensitisation is not directly assessable in humans, the term 'human assumed central sensitisation' (HACS) is suggested. The objectives were to investigate what definitions for HACS have been used, to evaluate the methods to assess HACS, to assess the validity of those methods, and to estimate the prevalence of HACS. Database search resulted in 34 included studies. Forty different definition references were used to define HACS. This review uncovered twenty quantitative methods to assess HACS, including four questionnaires and sixteen quantitative sensory testing measures. The prevalence of HACS in patients with chronic low back pain was estimated in three studies. The current systematic review highlights that multiple definitions, assessment methods, and prevalence estimates are stated in the literature regarding HACS in patients with chronic low back pain. Most of the assessment methods of HACS are not validated but have been tested for reliability and repeatability. Given the lack of a gold standard to assess HACS, an initial grading system is proposed to standardize clinical and research assessments of HACS in patients with a chronic low back.

The impact of COVID-19 stress on pain and fatigue in people with and without a central sensitivity syndrome

OBJECTIVES

Stress may augment somatic symptoms in central sensitivity syndromes (CSS) such as fibromyalgia, chronic fatigue syndrome, and irritable bowel syndrome. To test this hypothesis, we examined whether the association between COVID-19 stress and somatic symptom severity would be stronger in people with than without CSS and whether psychological flexibility would buffer the impact of this stress on symptom severity.

METHODS

In a 2-sample, repeated cross-sectional design, we analysed questionnaire data from Dutch people with and without CSS, collected in two independent surveys: before the COVID-19 pandemic (2018; CSS: n = 194, non-CSS: n = 337) and at the peak of the pandemic (2020; CSS: n = 428, non-CSS: n = 1101). Somatic symptom severity, worry and stress due to the pandemic, and psychological flexibility were examined in regression analyses. Two stress operationalisations were analysed: stress levels during the peak of the pandemic, and a comparison of measurements in 2020 and 2018 (assuming higher stress levels in 2020).

RESULTS

Higher worry and stress during the pandemic (standardized β = 0.14), the presence of a CSS (β = 0.40), and lower psychological flexibility (β = -0.33) were all (p < .0001) associated with more severe somatic symptoms, but the associations of each stress operationalisation with somatic symptoms was not particularly strong in people with CSS (β = -0.026, p = .27; β = -0.037, p = .22), and psychological flexibility (β = -0.025, p = .18; β = 0.076, p = .35) did not buffer this association.

CONCLUSIONS

Findings do not support the hypotheses that COVID-19 stress augments somatic symptoms, particularly in CSS, or that psychological flexibility buffers this impact. Rather, COVID-19-related stress appears to have an uncertain impact on somatic symptoms.

Stress and Pain Before, During and After the First Wave of the COVID-19 Pandemic: An Exploratory Longitudinal Mixed Methods Study

Aims: This study explores the association between subjective feeling of stress and pain experience in the context of the COVID-19 pandemic with a focus on characteristics known to trigger a physiological stress response [sense of low control, threat to ego, unpredictability and novelty (STUN)].

Methods: This exploratory longitudinal convergent mixed methods design consisted of online questionnaires over three time points (before, during and after the 1st wave of the COVID-19 pandemic) (N = 49) and qualitative interviews (N = 27) during the 1st wave of the pandemic on distinct samples of individuals living with chronic pain (CP). Both types of data sources were mixed upon integration using joint display.

Results: Mean pain intensity scores remained stable across time points, while pain unpleasantness and pain interference scores significantly improved. Global impression of change scores measured during the first wave of the pandemic do not entirely concord with pain scores evolution. Two thirds of participants reported a global deterioration of their pain condition at the beginning of the pandemic. Stress and pain catastrophizing before the pandemic were associated with pain scores throughout the pandemic; while most specific measures of stress due to the novel, uncontrollable, unpredictable and threatening nature of the pandemic were not. Qualitative data demonstrated that the deterioration reported in pain status reflected additional dimensions, including spatial expansion of the painful area, reduced access to treatments and challenges in adapting pain management strategies.

Conclusions: Helping individuals to negotiate stressful aspects of the pandemic might help offset the negative impacts of stress on pain status in this context or other important life events.

Effects of COVID-19 Social Distancing Measures in Individuals with Chronic Pain Living in Spain in the Late Stages of the Lockdown

Social distancing measures during the lockdown have had a negative impact on chronic pain patients' function. Research, however, has only focused on the early stages of the first lockdowns. The aim of this study was to improve the understanding of the effects of COVID-19 social distancing measures on individuals with chronic pain living in Spain during the late stages of the lockdown. A group of 361 adults with pain participated in this study. They responded to an online survey and provided information on sociodemographic issues, pain, fatigue, perceived health, and quality of life. The data showed that most participants suffered moderate to severe pain and interferences with pain treatment and an increase in pain intensity during the lockdown. Most participants also informed us that fatigue had worsened during the lockdown (62%). Importantly, females with lower monthly family income and lower education have been found to be associated with greater levels of pain and fatigue. Despite this, participants perceived themselves as having good health and good quality of life. The findings from this study can be used to inform policy and specific responses for future COVID-19 waves and future pandemics where social distancing measures must be implemented.

Myalgia as a symptom at hospital admission by severe acute respiratory syndrome coronavirus 2 infection is associated with persistent musculoskeletal pain as long-term post-COVID sequelae: a case-control study

ABSTRACT

This study investigated the association between COVID-related myalgia experienced by patients at hospital admission and the presence of post-COVID symptoms. A case-control study including patients hospitalised due to COVID-19 between February 20 and May 31, 2020, was conducted. Patients reporting myalgia and patients without myalgia at hospital admission were scheduled for a telephone interview 7 months after hospital discharge. Hospitalisation and clinical data were collected from medical records. A list of post-COVID symptoms with attention to musculoskeletal pain was evaluated. Anxiety and depressive symptoms, and sleep quality were likewise assessed. From a total of 1200 hospitalised patients with COVID-19, 369 with and 369 without myalgia at hospital admission were assessed 7.2 months (SD 0.6) after hospital discharge. A greater proportion (P = 0.03) of patients with myalgia at hospital admission (20%) showed ≥3 post-COVID symptoms when compared with individuals without myalgia (13%). A higher proportion of patients presenting myalgia (odds Rratio 1.41, 95% confidence interval 1.04-1.90) exhibited musculoskeletal post-COVID pain when compared to those without myalgia. The prevalence of musculoskeletal post-COVID pain in the total sample was 38%. Fifty percent of individuals with preexisting musculoskeletal pain experienced a worsening of their symptoms after COVID-19. No differences in fatigue, dyspnoea, anxiety/depressive levels, or sleep quality were observed between myalgia and nonmyalgia groups. The presence of myalgia at hospital admission was associated with preexisting history of musculoskeletal pain (OR 1.62, 95% confidence interval 1.10-2.40). In conclusion, myalgia at the acute phase was associated with musculoskeletal pain as long-term post-COVID sequelae. In addition, half of the patients with preexisting pain conditions experienced a persistent exacerbation of their previous syndromes.

Effects of the COVID-19 pandemic on chronic pain in Spain: a scoping review

The COVID-19 outbreak has been a great challenge in the management of chronic pain patients. We have conducted a rapid scoping review to assess the impact of the pandemic (and the associated public health measures) on the health status and management practices of chronic pain patients in Spain. To this end, we performed a bibliographic search in LitCOVID and PubMed, and reviewed official websites and documents, and expert reports. The review showed that (1) the studies consistently indicate that the pandemic has had a very negative impact on the physical and psychological health of chronic pain patients; (2) there are scarce data on how the pandemic affected pain unit consultations and a lack of protocols to organize health care in the face of future waves of contagion, with little implementation of telehealth. We make proposals to improve management of chronic pain patients in pandemic situations, which should pivot around 3 axes: (1) a coordinated response of all the relevant stakeholders to define a future roadmap and research priorities, (2) a biopsychosocial approach in pain management, and (3) development and implementation of novel telemedicine solutions.