Lateral abdominal muscle thickness during breathing maneuvers in women with and without stress urinary incontinence.

INTRODUCTION AND HYPOTHESIS: Stress urinary incontinence (SUI) patients predominantly experience involuntary leakage during respiratory functions that induce a rapid increase in intra-abdominal pressure (IAP) such as coughing and sneezing. The abdominal muscles have an important role in the forced expiration and modulation of IAP. We hypothesized that SUI patients have different thickness changes in the abdominal muscles compared to healthy individuals during breathing maneuvers. METHODS: This case-control study was conducted on 17 adult women with SUI and 20 continent women. Muscle thickness changes were measured by ultrasonography at the end of deep inspiration and expiration, and the expiratory phase of voluntary coughing for external oblique (EO), internal oblique (IO), and transverse abdominis (TrA) muscles. The percent thickness changes of muscles were used and analyzed with a two-way mixed ANOVA test and post-hoc pairwise comparison at a confidence level of 95% (p < 0.05). RESULTS: The percent thickness changes of TrA muscle were significantly lower in SUI patients at deep expiration (p < 0.001, Cohen's d = 2.055) and coughing (p < 0.001, Cohen's d=1.691). While, percent thickness changes for EO (p = 0.004, Cohen's d=0.996) and IO thickness (p < 0.001, Cohen's d=1.784) were greater at deep expiration and deep inspiration, respectively. CONCLUSIONS: The percent thickness changes of abdominal muscles differed between women with and without SUI during breathing maneuvers. The present study provided information regarding the altered function of abdominal muscles during breathing maneuvers; therefore, it is important to consider the respiratory role of abdominal muscles for the rehabilitation of SUI patients.

Association between long COVID, functional activity, and health-related quality of life in older adults.

BACKGROUND: Older adults experience persistent symptoms post-COVID-19, termed as Long COVID, affecting their physical and mental health. This study aimed to evaluate the effects of Long COVID, level of physical activity, and functional decline on older adults' health-related quality of life post-COVID-19. METHODS: This cross-sectional study was conducted on 121 older adults with 60 to 90 years old post-coronavirus infection. The standardized metrics used in the study were Fatigue Severity Scale, Physical Activity Elderly, SF12, Post-COVID-19 functional status scale, and COVID-19 Yorkshire rehabilitation screening scale. The severity of coronavirus infection was evaluated by changes in chest CT scan images and O2 saturation at hospital admission. Data were analyzed using linear regression analyses. RESULTS: The results of regression analysis revealed six factors to be predictors of physical health at 6 months post-COVID-19 (F = 9.046, P < 0.001; explained variance 63%), which the significant factors were fatigue, level of physical activity, worsened pain, difficulties in activities of daily living and cognitive-communication problems. Among these factors, greater fatigue and worsened pain intensity were the strongest predictors. Mental health was associated with days of hospitalization and cognitive-communication problems (F = 2.866, P < 0.001; explained variance 35%). CONCLUSIONS: Considering the negative impact of fatigue, pain, low physical activity, and cognitive-communication problems on health-related quality of life, early and accurate evaluation and management are required for recovered older adults post-COVID-19.

Psychometric properties of the Persian version of the pain anxiety symptom scale (PASS-20) in chronic non-specific neck pain patients.

OBJECTIVES: Pain-related anxiety has been linked to avoidance behaviour, maintenance of pain and disability. A valid and reliable tool is required to evaluate pain-related anxiety among Persian speaking adults with chronic non-specific neck pain (CNSNP). This study aimed to evaluate psychometric properties of the Persian pain anxiety symptom scale-20 (PASS-20) according to the consensus-based standards for the selection of health measurement instruments (COSMIN) checklist in Iranian adults with CNSNP. METHODS: 198 individuals with CNSNP completed the PASS-20. The factorial structure (confirmatory factor analysis (CFA), exploratory factor analysis (EFA)), test-retest reliability (intraclass correlation coefficient (ICC), standard error of measurement (SEM) and minimal detectable change (MDC)), internal consistency (Cronbach's alpha), and construct validity (convergent and known-group validity) were assessed. The correlation between PASS-20 with pain catastrophizing scale (PCS), Tampa Scale for Kinesiophobia (TSK), neck disability index (NDI), Beck Depression Inventory (BDI), visual analog scale (VAS) (Spearman's rank correlation) were examined. Known-group validity of PASS-20 was evaluated by comparing the difference between the PASS-20 scores of the known groups based on level of disability, pain intensity and gender using non-parametric tests. RESULTS: The CFA showed almost the best fit with the original version. The subscales and total score demonstrated good internal consistency (Cronbach's α: 0.70-0.92) and high test-retest reliability (ICC: 0.94-0.97). PASS-20 had significant moderate correlations with PCS, TSK, NDI, VAS and a significant low correlation with BDI. Regarding known-group validity, the total score of Persian PASS-20 was higher in CNSNP with higher levels of pain and disability and in the female gender. CONCLUSIONS: The Persian PASS-20 has acceptable psychometric properties in adults with CNSNP. The results of the factor analysis supported the four-factor structure comparable to the original version. ETHICAL COMMITTEE NUMBER: 921672004.

Physical and mental health complications post-COVID-19: Scoping review.

OBJECTIVE: Several long-lasting health complications have been reported in previous coronavirus infections. Therefore, the aim of this study was to review studies that evaluated physical and mental health problems post-COVID-19. METHODS: Articles for inclusion in this scoping review were identified by searching the PubMed, Scopus, Web of Science and Google Scholar databases for items dated from 1 January to 7 November 2020. Observational studies evaluating physical health (musculoskeletal symptoms, functional status) or mental health status with a follow-up period longer than 1 month after discharge or after the onset of symptoms were included. RESULTS: This scoping review included 34 studies with follow-up periods of up to 3 months post-COVID-19. The most commonly reported physical health problems were fatigue (range 28% to 87%), pain (myalgia 4.5% to 36%), arthralgia (6.0% to 27%), reduced physical capacity (six-minute walking test range 180 to 561 m), and declines in physical role functioning, usual care and daily activities (reduced in 15% to 54% of patients). Common mental health problems were anxiety (range 6.5% to 63%), depression (4% to 31%) and post-traumatic stress disorder (12.1% to 46.9%). Greater fatigue, pain, anxiety and depression were reported in female patients and individuals admitted to intensive care. An overall lower quality of life was seen up to 3 months post-COVID-19. CONCLUSIONS: This review highlights the presence of several physical and mental health problems up to 3 months post-COVID-19. The findings point to the need for comprehensive evaluation and rehabilitation post-COVID-19 to promote quality of life.

Attention demands of postural control in non-specific chronic low back pain subjects with low and high pain-related anxiety.

Impaired postural control in chronic low back pain (CLBP) has been attributed to deficits in sensory and motor functions. However, it is not known if pain-related anxiety affects motor and cognitive function of postural control. The aim of this study was to compare the interactive effects of postural and cognitive function in CLBP patients with high and low pain-related anxiety and healthy subjects. Thirty-eight patients with nonspecific CLBP (19 with low and 19 with high pain-related anxiety levels) and 20 asymptomatic subjects participated. Postural control was assessed by center of pressure (COP) parameters including mean total sway velocity, area, anterior-posterior (A-P), and medial-lateral (Med-Lat) range. Postural task was assessed during four conditions (eyes open with and without ankle vibration-eyes closed with and without ankle vibrations). Participants performed the postural task with or without auditory Stroop task. Average reaction time and error ratio of auditory Stroop test were calculated as measures of the cognitive task performance. Significantly reduced sway area was observed in CLBP patients with high pain-related anxiety and control subjects during the dual-task condition as compared with the single task. In addition, A-P range was significantly reduced in CLBP patients with high pain-related anxiety during dual tasking when eyes were closed with ankle vibration. In addition, only the CLBP subjects with high pain-related anxiety showed significantly longer reaction times by increasing the difficulty of standing postural task. Pain-related anxiety may influence the postural cognitive interactions in CLBP patients. Furthermore, it may be considered as a contributing factor for postural strategies adopted by CLBP patients.

Reliability and Validity of the Pain Anxiety Symptom Scale in Persian Speaking Chronic Low Back Pain Patients.

STUDY DESIGN: Psychometric testing of the Persian version of Pain Anxiety Symptom Scale 20. OBJECTIVE: The aim of this study was to assess the reliability and construct validity of the PASS-20 in nonspecific chronic low back pain (LBP) patients. SUMMARY OF BACKGROUND DATA: The PASS-20 is a self-report questionnaire that assesses pain-related anxiety. The Psychometric properties of this instrument have not been assessed in Persian-speaking chronic LBP patients. METHODS: One hundred and sixty participants with chronic LBP completed the Persian version of PASS-20, Tampa Scale of Kinesiophobia (TSK), Fear-Avoidance Beliefs Questionnaire (FABQ), Pain Catastrophizing Scale (PCS), trait form of the State-Trait Anxiety (STAI-T), Oswestry Low Back Pain Disability Index (ODI), Beck Depression Inventory (BDI-II), and Visual Analogue Scale (VAS). To evaluate test-retest reliability, 60 patients filled out the PASS-20, 6 to 8 days after the first visit. Test-retest reliability (intraclass correlation coefficient [ICC], standard error of measurement [SEM], and minimal detectable change [MDC]), internal consistency, dimensionality, and construct validity were examined. RESULTS: The ICCs of the PASS-20 subscales and total score ranged from 0.71 to 0.8. The SEMs for PASS-20 total score was 7.29 and for the subscales ranged from 2.43 to 2.98. The MDC for the total score was 20.14 and for the subscales ranged from 6.71 to 8.23. The Cronbach alpha values for the subscales and total score ranged from 0.70 to 0.91. Significant positive correlations were found between the PASS-20 total score and PCS, TSK, FABQ, ODI, BDI, STAI-T, and pain intensity. CONCLUSION: The Persian version of the PASS-20 showed acceptable psychometric properties for the assessment of pain-related anxiety in Persian-speaking patients with chronic LBP. LEVEL OF EVIDENCE: 3.