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BACKGROUND: Lumbar facet arthritis is one of the main causes of low back pain. At present, MRI is mainly used for preliminary diagnosis, and there is still a certain probability of missed diagnosis and misdiagnosis. Therefore, MR T2* mapping imaging technology is expected to become an important means of quantitative detection of cartilage damage in lumbar facet arthritis. OBJECTIVE: To investigate the application value of MR T2* mapping imaging technique in quantitative analysis of cartilage damage and degeneration of lumbar facet joint. METHODS: A total of 110 outpatient or inpatient patients with low back pain in Fourth Affiliated Hospital of Nanjing Medical University from April 2020 to March 2022 were collected and set as case group. At the same time, 80 asymptomatic volunteers were recruited as the control group. T2* mapping transectal images and T2WI images were obtained by 3.0T MR Scanning for the facet joints of all included subjects L1-S1. Weishaupt grading and T2* value measurement were performed for all facet joint cartilage, and the data were collected for parallel statistical analysis. The comparison of T2* values of facet joint cartilage between different articular Weishaupt grades was performed by one-way analysis of variance. RESULTS AND CONCLUSION: (1) Statistical analysis found that the T2* value of lumbar facet joint cartilage in the case group (17.6±1.5) ms was significantly lower than that in the control group (21.4±1.3) ms (P < 0.05). (2) In the case group, with the hierarchical increase of lumbar facet joint Weishaupt, the T2* value of facet joint cartilage also showed a gradual decreasing trend, and the difference was statistically significant (P < 0.05). (3) It is concluded that T2* mapping can better display the early pathological changes of lumbar facet joint cartilage injury, and T2* value of lumbar facet joint cartilage can quantitatively evaluate the degree of lumbar facet joint cartilage injury. T2* mapping imaging technique can provide a good theoretical basis for the imaging diagnosis of the early cartilage injury induced by lumbar facet arthritis and has important clinical application value. [ABSTRACT FROM AUTHOR]

Introduction: Lumbar facet joint degeneration is a source of chronic low back pain, with an incidence of 15% to 45% among patients with low back pain. Pain arising from the lumbar facet joints is a common cause of axial back pain in adults. Radiofrequency ablation (RF) of the medial branches of the spinal dorsal rami has been used as a treatment option. Various therapeutic techniques in the treatment of facet-related pain have been described in the literature, including intraarticular lumbar facet joint steroid injections and radiofrequency denervation. Aim and Objective: To provide evidence based clinical practice guidelines for comparison of fluoroscopic guided facet joint radiofrequency ablation of medial branch and facet joint steroid injection for low back pain. Material and Methods: This was a prospective non-randomized study carried out in the Department of Anaesthesia at Maharaja Institute of Medical Sciences for a period of 1 year i.e, April 2023 to April 2024 on patients who were admitted from casualty and outpatient’s department with a diagnosis of chronic low back pain. All patients were assigned to LFJ intraarticular steroid infiltrations or RF denervation. All of the enrolled patients were suffering from LFJ-related pain at the L3/L4–L5/S1. Results: In the present study, there were 65 patients screened out of which 8 patients drop out. There were 57 patients of low back pain in which the mean age of Group A patients was (62.26 ± 11.56) years and Group B patients was(55.75±10.25)years. It was observed that Males were more commonly affected than females. Duration of back pain of Group A patients was (1.72±0.85) years while that of Group B patients was (2.26±0.92) years. Vas scoring before procedure was found to be not significant. But vas scoring at 6 months after procedure was found to be very highly significant. Rolland Morris questionnaire before procedure in both the groups was found to be insignificant. But at 6 months after procedure between both groups was found to be highly significant. Conclusion : Intraarticular steroid infiltration or radiofrequency denervation appear to be a managing option for chronic function-limiting low back pain of facet origin with favourable short- and midterm results in terms of pain relief and function improvement, but improvements were similar in both groups. [ABSTRACT FROM AUTHOR]

Lower back pain is a common occurrence among mine workers due to the nature of their work. Globally, workplace (occupational) and ergonomic risk factors have been reported to influence the prevalence of lower back pain among workers. This study aimed to determine ergonomic risk factors associated with lower back pain and associated risk factors (workplace and ergonomics) among mineworkers in a nickel mine in Zimbabwe. A cross-sectional study design was employed, and participants were randomly selected to complete a questionnaire that included the Dutch Musculoskeletal Questionnaire (DMQ). A total of 420 mine workers were interviewed, with the majority being male (n = 259, 61.7%) and aged between 31 and 44 years old (n = 159, 37.9%). The study found that the prevalence of lower back pain was 41.43% (n = 174). Several risk factors were found to be associated with lower back pain, including working overtime (AOR = 1.13, p < 0.01; 95% CI: 0.07–0.22), performing repetitive tasks (AOR = 8.06, p < 0.01; 95% CI: 4.67–13.93), bending (AOR = 7.77, p < 0.01; 95% CI: 3.97–15.22), and twisting (AOR = 3.32, p < 0.01; 95% CI: 1.83–6.03). Based on these findings, it is recommended that an ergonomic risk assessment and prevention program be implemented, which should include educational awareness about lower back pain and its prevention among mine workers. [ABSTRACT FROM AUTHOR]

Lower back pain (LBP) is a widely prevalent global health issue, affecting over half a billion people and remaining the leading cause of years lived with disability (YLDs). LBP significantly impacts healthcare systems, with substantial costs related to surgical procedures and lost workdays. Vertebrogenic back pain (VBP), characterized by specific clinical symptoms and associated with Modic changes (MC) in vertebral endplates, best seen on MRI, is a significant subset of LBP. This paper explores the pathophysiology, diagnosis, and current reports and studies focusing on VBP and the role of basivertebral nerve (BVN) ablation as a therapeutic intervention. Multiple studies, including randomized controlled trials (RCTs) and meta-analyses, demonstrate the efficacy of BVN ablation in reducing pain and improving function in patients with chronic LBP associated with MC. [ABSTRACT FROM AUTHOR]

Background: Minimally invasive surgical techniques for sacroiliac joint (SIJ) fixation have the potential to reduce risk and improve patient outcomes, but evidence remains limited. This interim analysis presents initial findings from an ongoing prospective study evaluating the safety and efficacy of the Catamaran System. Methods: The primary endpoint of success at 6 months was defined as a ≥20 mm improvement in SIJ pain (Visual Analog Scale, VAS), no neurologic worsening, absence of device-related serious adverse events (SAEs), and no surgical reintervention. Secondary endpoints included 6 month evaluation of the Oswestry Disability Index (ODI), patient satisfaction, and 12 month radiographic CT fusion, performed by an indpendent radiologist. Results: Thirty-three consecutive patients (mean age: 58.9 years; %-females: 76%; Body Mass Index: 30.5) were treated across six U.S. clinical sites. At the primary endpoint of 6 months, 80% of patients met the criteria for success, with no device-related SAEs and no surgical reintervention reported. VASSIJ-Pain significantly decreased from preoperative levels (mean: 80.9 mm) to 6 months postoperatively (31.1 mm; p < 0.001). Mean ODI scores also showed a significant improvement from preoperative values (51.9%) to 6 months postoperatively (29.6%, p < 0.01). Patients reported high satisfaction rates throughout all follow-ups, with 93.3% of patients being satisfied at 6 months. Conclusion: In patients diagnosed with chronic SIJ pain, minimally invasive inferior-posterior delivery of the Catamaran implant was safe and effective in relieving pain and reducing disability. [ABSTRACT FROM AUTHOR]

Background: Sometimes during breastfeeding women adopt positions that may cause problems with musculoskeletal system, resulting in back pain. The aim of this study was to determine the prevalence of lower back, upper back and neck pain in breastfeeding women and how this may be related to the act of breastfeeding. Methods: An online survey within Poland was conducted among 395 breastfeeding women who were 1 to 48 months postpartum and were divided into two groups; "no back pain" and "back pain present". The measurement tools used included an original questionnaire, the International Physical Activity Questionnaire (IPAQ), a Numerical Pain Rating Scale (0–10), and the Roland-Morris Disability Questionnaire. Pearson's chi-squared tests, Mann-Whitney U tests, Student's t-tests, and Kruskal-Wallis ANOVA tests were used to compare the groups. Results: It was found that 84% of breastfeeding mothers suffered from back pain at least once a month. Pain was experienced at least once a week in the cervical, thoracic and lumbosacral regions in 48%, 36%, and 66% of the women, respectively. A dysfunctional state was present in 27.6% of breastfeeding mothers who suffered from back pain. Mothers experiencing back pain spent significantly more time on single breastfeeding episodes (p < 0.05) and had an increased total time breastfeeding per day (p < 0.01) compared to mothers with no back pain. Neck pain was significantly less intense in mothers preferring to breastfeed in a lying position as compared to mothers preferring a sitting position in a chair or an armchair (p < 0.05). Conclusions: This survey of Polish breastfeeding mothers revealed a very high prevalence of lower back, upper back and neck pain. The amount of time spent on breastfeeding and the choice of body position for breastfeeding were important factors differentiating the prevalence and intensity of the pain. It is recommended that breastfeeding mothers do not extend the single-feeding time in the adopted position beyond the required time. It is of utmost importance to choose a breastfeeding position in which all parts of the mother's body are supported. To prevent neck pain, lying and semi-lying positions with head support are recommended. [ABSTRACT FROM AUTHOR]

Various nutritional supplements are available over the counter, yet few have been investigated in randomized controlled trials. The rationale for using the specific mix of nutritional substances including collagen type II, hyaluronic acid, n-acetyl-glucosamine, bamboo extract, L-lysine, and vitamin C is the assumption that combining naturally occurring ingredients of the intervertebral disc would maintain spine function. This double-blinded, placebo-controlled randomized trial aimed to evaluate the efficacy of a nutraceutical supplement mix in the management of lumbar osteochondrosis. Fifty patients were randomly assigned to either the supplement or placebo group in a 1:1 ratio. Patient-Reported Outcome Measures (PROMs) included the Oswestry Disability Index (ODI), the visual analogue scale for pain (pVAS), short form-12 (SF-12) physical and mental component summary subscale scores (PCS and MCS, respectively), and global physical activity questionnaire (GPAQ). Magnetic resonance imaging (MRI) was used to evaluate degenerative changes of intervertebral discs (IVD) including Pfirrmann grades as well as three-dimensional (3D) volume measurements. Data were collected at baseline and after the 3-month intervention. None of the PROMs were significantly different between the supplement and placebo groups. Disc degeneration according to Pfirrmann classifications remained stable during the 3-month intervention in both groups. Despite no significance regarding the distribution of Pfirrmann grade changes (improvement, no change, worsening; p = 0.259), in the supplement group, one patient achieved a three-grade improvement, and worsening of Pfirrmann grades were only detected in the placebo group (9.1%). Furthermore, in-depth evaluations of MRIs showed significantly higher 3D-measured volume changes (increase) in the supplement (+740.3 ± 796.1 mm3) compared to lower 3D-measured volume changes (decrease) in the placebo group (−417.2 ± 875.0 mm3; p < 0.001). In conclusion, this multi-nutrient supplement might not only stabilize the progression of lumbar osteochondrosis, but it might also potentially even increase IVD volumes as detected on MRIs. [ABSTRACT FROM AUTHOR]

Objectives: This project aimed to promote running as the best treatment for lower back pain (LBP) in an outpatient setting. Introduction: LBP is one of the most prevalent conditions worldwide. Sixty-two percent of all Germans experience episodes of non-specific back pain at least once a year, with one-fifth developing chronic conditions. Intervertebral disc (IVD) degeneration is a natural process, contributing to periods of acute LBP. However, the scientific literature and guidelines partially overlook the significance of water management in IVD. This implementation project sought to address this gap by educating patients about this process. Running and/or walking were chosen as general approaches for treatment rather than specific disease-related approaches. Methods: This implementation project was conducted in an outpatient physiotherapy clinic in Brandenburg, Germany, utilizing the JBI Evidence Implementation Framework. An evidence-informed clinical audit and feedback strategy was used to measure compliance with ten audit criteria. Five physiotherapists and 20 patients took part in the audits. Results: At baseline, only 20% of participating physiotherapists screened for yellow flags regarding psychological issues. However, after project implementation, this criterion scored 100% compliance. Some patients performed exercises independently, but confusion persisted regarding the choice of beneficial exercises. Patients continued running, but those who took a break due to pain expressed uncertainty about resuming. Conclusions: The project highlighted the effectiveness of collaborative efforts between patients and therapists to address the issue. The project team's conviction in action and solution strategies serves as the foundation for this collaboration. This implementation strategy provided "running" patients with the confidence to either resume or reintegrate running after an extended break. [ABSTRACT FROM AUTHOR]

Objective: The aim of this study was to investigate the effect of osteoporosis (OP) on the outcomes of facet medial branch radiofrequency thermocoagulation (RFT). Materials and Methods: Thirty-six patients with chronic lower back pain due to lumbar facet joint syndrome (LFJS) who underwent facet medial branch RFT were retrospectively reviewed. The patients were divided into two groups: Group I (without OP, n=19) and group II (with OP, n=16). Pre-intervention and post-intervention evaluations of the patients were assessed at 1, 6, and 12th months by visual analog scale (VAS). Results: In both groups, VAS scores 1st, 6th, and 12th months after intervention were lower than those at baseline (p=0.001). There were no significant difference between the groups in terms of VAS score improvement. Conclusion: Lumbar facet medial branch RFT is an effective and safe treatment method in both the short and long-term in patients with LFJS. OP therapy had no effect on RFT treatment results. [ABSTRACT FROM AUTHOR]

Avascular necrosis (AVN) is linked to considerable morbidity, resulting in severe pain and functional impairment. Herein, for the first time, we reported an 18-year-old patient with Crohn's disease during the remission phase under Azathioprine therapy who presented with articular pain. Although no underlying risk factors, the patient was diagnosed with severe AVN of the bilateral femoral head and both knees simultaneously following pain in involved areas. This case highlights the importance of demand multidisciplinary approach to chronic disease. Moreover, clinicians should be aware of articular manifestations in IBD patients to diagnose and treat these conditions as soon as possible. Patients should be evaluated for their psychologic, gastrointestinal, and extra-gastrointestinal comorbidities during each follow-up visit. [ABSTRACT FROM AUTHOR]

Lower back pain is prevalent in equestrian athletes, but its prevalence and associated factors are unknown in the Portuguese equestrian population. A questionnaire regarding lower back pain and possible associated factors was answered by 347 respondents. Of the respondents, 214 (61.7%) stated having experienced lower back pain in the past 12 months and therefore completed the Roland Morris disability questionnaire. Among the latter, 63.1% stated that lower back pain impaired their performance. The probability of suffering from lower back pain was higher in individuals with higher weekly riding workloads, who reported equestrianism as their main occupation, and who performed daily stable duties. Considering a Roland Morris disability score of 4 as the cut-off value for dysfunction, this sample had an average score of 5.39 ± 4.42. Individuals who stated equestrianism was their main occupation showed a significantly higher risk (OR = 1.759, p = 0.041) of exhibiting a score ≥ 4 than those who stated equestrianism as a hobby. Age (p = 0.029), body mass index (p = 0.047), and daily performance of stable duties (p = 0.030) were also associated with a higher Roland Morris disability score. Further research is needed to understand the full impacts of lower back pain in Portuguese equestrian athletes. [ABSTRACT FROM AUTHOR]

Abstract Background Sometimes during breastfeeding women adopt positions that may cause problems with musculoskeletal system, resulting in back pain. The aim of this study was to determine the prevalence of lower back, upper back and neck pain in breastfeeding women and how this may be related to the act of breastfeeding. Methods An online survey within Poland was conducted among 395 breastfeeding women who were 1 to 48 months postpartum and were divided into two groups; “no back pain” and “back pain present”. The measurement tools used included an original questionnaire, the International Physical Activity Questionnaire (IPAQ), a Numerical Pain Rating Scale (0–10), and the Roland-Morris Disability Questionnaire. Pearson’s chi-squared tests, Mann-Whitney U tests, Student’s t-tests, and Kruskal-Wallis ANOVA tests were used to compare the groups. Results It was found that 84% of breastfeeding mothers suffered from back pain at least once a month. Pain was experienced at least once a week in the cervical, thoracic and lumbosacral regions in 48%, 36%, and 66% of the women, respectively. A dysfunctional state was present in 27.6% of breastfeeding mothers who suffered from back pain. Mothers experiencing back pain spent significantly more time on single breastfeeding episodes (p

Objective: The aim of this study was to investigate the effect of osteoporosis (OP) on the outcomes of facet medial branch radiofrequency thermocoagulation (RFT). Materials and Methods: Thirty-six patients with chronic lower back pain due to lumbar facet joint syndrome (LFJS) who underwent facet medial branch RFT were retrospectively reviewed. The patients were divided into two groups: Group I (without OP, n=19) and group II (with OP, n=16). Pre-intervention and post-intervention evaluations of the patients were assessed at 1, 6, and 12th months by visual analog scale (VAS). Results: In both groups, VAS scores 1st, 6th, and 12th months after intervention were lower than those at baseline (p=0.001). There were no significant difference between the groups in terms of VAS score improvement. Conclusion: Lumbar facet medial branch RFT is an effective and safe treatment method in both the short and long-term in patients with LFJS. OP therapy had no effect on RFT treatment results.

Purpose: The aim was to evaluate the efficacy of ultrasound‐guided erector spinae plane (ESP) block and compare with the conventional physical therapy in chronic low back pain (LBP). Materials and Methods: This prospective case‐controlled study included patients with chronic LBP. Their clinical and demographic data were obtained, and they were divided into two groups for conventional physical therapy and ESP blocks. Prior to treatment, on the first day, the second week, and the third month, the Oswestry Disability Index (ODI) and visual analog scale (VAS) pain score were evaluated. Results: The study included 43 patients, 21 in the ESP block group and 22 in the conventional physical therapy group. The VAS in movement was higher in the ESP block group at baseline (p = 0.047). On the first day after the treatments, the ESP block group showed lower resting (p < 0.001) and movement (p = 0.001) VAS values than the conventional physical therapy group. At the end of 3 months, both groups had improved VAS and ODI scores (all p < 0.001). Conclusion: US‐guided ESP block might be considered a successful, safe, and technically simple alternative treatment in patients with chronic LBP to control pain and reduce the cost of physical therapy and lost workdays. [ABSTRACT FROM AUTHOR]

Lower back pain (LBP) is a musculoskeletal condition that affects millions of people worldwide and significantly limits their mobility and daily activities. Appropriate ergonomics and exercise are crucial preventive measures that play a vital role in managing and reducing the risk of LBP. Individuals with LBP often exhibit spinal anomalies, which can serve as valuable indicators for early diagnosis. We propose an advanced machine learning methodology for LBP detection that incorporates data balancing and bootstrapping techniques. Leveraging the features associated with spinal anomalies, our method offers a promising approach for the early detection of LBP. Our study utilizes a standard dataset comprising 310 patient records, including spinal anomaly features. We propose an ensemble method called the random forest gradient boosting XGBoost Ensemble (RGXE), which integrates the combined power of the random forest, gradient boosting, and XGBoost methods for LBP detection. Experimental results demonstrate that the proposed ensemble method, RGXE Voting, outperforms state-of-the-art methods, achieving a high accuracy of 0.99. We fine-tuned each method and validated its performance using k-fold cross-validation in addition to determining the computational complexity of the methods. This innovative research holds significant potential to revolutionize the early detection of LBP, thereby improving the quality of life. [ABSTRACT FROM AUTHOR]

Introduction and purpose Non-specific and specific lower back pain syndrome is one of the leading causes of musculoskeletal disability and affects more than half of the population worldwide. The aim of this paper is to confront the problem of lumbar pain, possible diagnostic options, conservative and surgical opportunities with long term satisfactory rate. State of knowledge The paper reviews literature on lower back pain syndrome, sciatica, radiculopathy and lumbar disc herniation in regards to detection of the problem, classifying it and possible methods of resolvent. The WHO defines lower back pain as one of the leading causes of musculoskeletal dysfunction and it focuses on reducing the occurrence by programs like WHO Rehabilitation 2030 Initiative, UN Decade of Healthy Ageing and others. The paper also focuses on nonsurgical options of treatment. Material and method A review of the literature available in the "PubMed" and Google Schoolar was conducted. We focused on differential diagnosis depending on clinical presentation and possible treatment methods depending on symptoms, pathogenesis of the disorder and available procedures. Summary Our review managed to present the current state of development, possible differential diagnosis, prevalence of neural compressions, sciatica and radiculopathy in different diagnostic options. By receiving multiple studies we confront varied opinions of specialists regarding the approach to lower back pain syndrome and favorable forms of care. Additionally we came to the conclusion that the difference of patients' long term satisfactory rate in regards to nonoperative and operative treatment is not significant, and flattens over the years. [ABSTRACT FROM AUTHOR]

BACKGROUND: Rowing-related low back disorders may occur from inconsistent technique, high trunk flexion and training volumes, overactivation of paraspinal muscles, and fatigue. OBJECTIVE: To examine if kinesiology tape (KT) affixed to the trunk dorsum affects muscular co-activation and neuromuscular control to limit dangerous rowing movements and associated injuries. METHODS: Participants (n = 18) completed two 2000 m rowing trials under BASELINE and KT conditions. KT was applied to the skin superficial to the paraspinals bilaterally with 60% pre-strain. Participants were instructed to minimize any sensation of tension. Whole body kinematics were obtained using inertial measurement units (IMUs), and surface electromyograms (EMGs) were recorded from trunk and lower extremity. Changes in joint range-of-motion (ROM) and co-activation indices (CAIs) were analyzed for shoulder, lumbar, hip, and knee. RESULTS: Responding participants (n = 5) were identified by reduced maximum lumbar flexion during the KT condition. As expected, significant differences occurred in maximum and minimum lumbar flexion/extension between responders and non-responders to KT. Additionally, there was significant reduction in mean trunk muscle co-activation in both those who did and did not respond to KT through reductions in maximum lumbar flexion. CONCLUSION: KT can be an effective at reducing mean trunk co-activation during a rowing trial in the flexed catch position. Variable responses suggest that further work is necessary to optimize the efficacy of sensory cues derived from KT during rowing movements. [ABSTRACT FROM AUTHOR]

Key Clinical Message: Spinal subdural hematoma is uncommon but may become more prevalent with increasing anticoagulant use. Early diagnosis from symptoms like lower back pain and leg paralysis is crucial for timely intervention. [ABSTRACT FROM AUTHOR]

BackgroundThere is an urgent need to confirm biomarkers reflecting the pathogenesis and targeted drugs of lower back pain or/and sciatica in clinical practice. This study aimed to conduct a two sample bidirectional Mendelian randomization (MR) analysis to explore the causal link between 486 serum metabolites and lower back pain or/and sciatica.MethodsAll data come from two public shared databases of European ancestry and single nucleotide polymorphisms (SNPs) for lower back pain or/and sciatica acted as instrumental variables. The traditional inverse variance weighting (IVW) method, weighted-median method, MR-Egger methodand other methods were used to estimate causality. The horizontal pleiotropy, heterogeneities were also verified through the MR-Egger intercept test, Cochran's Q test, MR-PRESSO test and the leave-one-out sensitivity analysis. Reverse MR analysis was employed to evaluate the direct impact of metabolites on lower back pain or/and sciatica. Additionally, we conducted the colocalization analysis to reflect the causality deeply. Furthermore, metabolic pathway analysis was performed.Results28 metabolites (18 known metabolites, 1 identified metabolites and 9 unknown metabolites) relevant to the risk of sciatica or/and lower back pain after using genetic variants as probes at PIVW

Xinyong Chen,1,2,&ast; Zhe Chen,3,&ast; Gongchang Ma,2 Jianjun Sha,2 Shan Zhao,2 Zuoqing Liu,2 Nong Chen,2 Huilin Yang1 1Department of Orthopedics, The First Affiliated Hospital of Soochow University, Suzhou, 215000, People’s Republic of China; 2Department of Orthopedics, Qingpu Branch of Zhongshan Hospital Affiliated to Fudan University, Shanghai, 200025, People’s Republic of China; 3Department of Orthopedics, Ruijin Hospital, Shanghai Jiaotong University School of Medicine, Shanghai, 200025, People’s Republic of China&ast;These authors contributed equally to this workCorrespondence: Nong Chen, Department of Orthopedics, Qingpu Branch of Zhongshan Hospital Affiliated to Fudan University, Shanghai, 200025, People’s Republic of China, Email chennong1975@126.com Huilin Yang, Department of Orthopedics, The First Affiliated Hospital of Soochow University, Suzhou, 215000, People’s Republic of China, Email orthdoctor@126.comBackground: Dorsal root ganglia (DRGs) contain sensory neurons that innervate intervertebral discs (IVDs) and may play a critical role in mediating low-back pain (LBP), but the potential pathophysiological mechanism needs to be clarified.Methods: A discogenic LBP model in rats was established by penetration of a lumbar IVD. The severity of LBP was evaluated through behavioral analysis, and the gene and protein expression levels of pro-algesic peptide substance P (SP) and calcitonin gene–related peptide (CGRP) in DRGs were quantified. The level of reactive oxygen species (ROS) in bilateral lumbar DRGs was also quantified using dihydroethidium staining. Subsequently, hydrogen peroxide solution or N-acetyl-L-cysteine was injected into DRGs to evaluate the change in LBP, and gene and protein expression levels of transient receptor potential vanilloid-1 (TRPV1) in DRGs were analyzed. Finally, an inhibitor or activator of TRPV1 was injected into DRGs to observe the change in LBP.Results: The rats had remarkable LBP after disc puncture, manifesting as mechanical and cold allodynia and increased expression of the pro-algesic peptides SP and CGRP in DRGs. Furthermore, there was significant overexpression of ROS in bilateral lumbar DRGs, while manipulation of the level of ROS in DRGs attenuated or aggravated LBP in rats. In addition, excessive ROS in DRGs stimulated upregulation of TRPV1 in DRGs. Finally, activation or inhibition of TRPV1 in DRGs resulted in a significant increase or decrease of discogenic LBP, respectively, suggesting that ROS-induced TRPV1 has a strong correlation with discogenic LBP.Conclusion: Increased ROS in DRGs play a primary pathological role in puncture-induced discogenic LBP, and excessive ROS–induced upregulation of TRPV1 in DRGs may be the underlying pathophysiological mechanism to cause nerve sensitization and discogenic LBP. Therapeutic targeting of ROS or TRPV1 in DRGs may provide a promising method for the treatment of discogenic LBP.Keywords: lower back pain, reactive oxygen species, dorsal root ganglion, transient receptor potential vanilloid-1, substance p, calcitonin gene related peptide, intervertebral disc

Background. Globally, the LBP prevalence among the general population varies from 15-45%. Work-related LBP is estimated to cause 818,000 disability-adjusted life years lost (DALYs) annually. Aim of study. To determine the prevalence and factors associated with LBP among Iraqi Healthcare workers. Methodology. This is a cross-sectional study that included 220 participants and was conducted at Baghdad during the period from 5/7/2023 to 25/11/2023. Lower back pain was assessed using an Arabic version of the Standardized Nordic Musculoskeletal Questionnaire (NMQ). Results. The life, annual, and weekly prevalence of LBP were 92.7%, 90.9%, and 58.2%, respectively. A statistically significant associated was detected between weekly prevalence of LBP and each of female gender, long working hours, BMI, and occupation. Conclusion. LBP is a highly prevalent condition among Iraqi HCWs and it caused considerable reduction to the quality of life and work performance. Risk factors for weekly prevalence were female gender, longer working hours, obesity, and working as a dentist.

Lumbar facet interventions, including facet joint injections, medial nerve blocks, and radiofrequency ablation (RFA), are prevalent treatments for low back pain (LBP). Despite their widespread use, debates persist regarding various aspects of these procedures. The 2024 Consensus Working Group on Lumbar Facet Interventions, composed of practicing pain physicians from both China and the United States, conducted an extensive review of the literature on the use of lumbar facet interventions in chronic pain management. Following the U.S. Preventive Services Task Force grading guidelines, this consensus provides an evidence-based, patient-centered guideline tailored for pain physicians at all expertise levels for the management of chronic lower spinal pain. The guideline offers detailed recommendations on the identification of facetogenic pain, criteria for patient selection, the application of lumbar facet blocks and RFA techniques, and strategies for the prevention and management of intervention-related complications.

Abstract Introduction Persistent low back pain (LBP) is the leading cause of disability worldwide, and therapeutic exercise is recommended as a first-line treatment in international guidelines. The effects of exercise on clinical outcomes of pain and physical function are small to moderate, despite broader impacts on cardiovascular systems, biological health, mood, and emotional well-being. Therapeutic exercise prescription is defined as exercise that is prescribed by a clinician for a health-related treatment. It is unknown how therapeutic exercise prescription creates effects on outcomes of importance. Realist reviews explore how underlying mechanisms (M) may be active in the context (C) of certain situations, settings, or populations to create an intended or unintended outcome (O). Our objective is to explore and understand the mechanisms by which therapeutic exercise prescription changes outcomes for people with persistent LBP. Methods We will develop initial programme theories based on preliminary data from a previous systematic review and consensus workshop. These theories will be modified with input from a steering group (experts), a stakeholder group (people with lived experience of exercise for persistent LBP and clinicians), and a scoping search of the published literature. An information specialist will design and undertake an iterative search strategy. These will be used to create CMO configurations, which will be refined and tested using the literature. The realist review will be reported following RAMESES guidance. Discussion Realist reviews are uncommon in LBP research to date, yet those offer an opportunity to contrast with traditional methods of randomised controlled trials and systematic reviews and provide additional information regarding the contexts and mechanisms that may trigger certain outcomes. This can aid our understanding of the contextual features that may influence exercise prescription, such as for whom they are most effective, in what setting, how they are implemented and why. This realist synthesis will enhance our understanding of therapeutic exercise prescription to improve adherence and engagement and ultimately will provide clinically relevant recommendations regarding exercise prescription for those with persistent LBP. Systematic review registration The review has been registered with PROSPERO (CRD42017072023).

Introduction: The lumbar erector spinae plane block is one of the interventional procedures for chronic low back pain. This study aimed to compare the efficacy of lumbar erector spinae plane block for chronic axial low back pain due to disc protrusion/bulging in geriatric and younger patients and to evaluate clinical, demographic, and radiological characteristics that may be associated with treatment success. Materials and Method: The clinical and demographic data of patients who underwent ultrasound-guided lumbar erector spinae plane block for chronic axial low back pain between November 2022 and July 2023 were retrospectively evaluated. Patients were divided into two groups, =65 and <65 years of age, and treatment efficacy at the third month after the procedure was evaluated and compared. Results: A total of 147 patients (75 patients aged <65 years and 72 patients aged =65 years) were included in the analysis, and a successful treatment response (at least 50% pain relief) was achieved in 44.4% of geriatric patients and 62.6% of younger patients (p=0.027). In addition BMI, comorbidity, opioid use, and lumbar paraspinal fatty infiltration were significantly higher in geriatric patients than in younger patients (p<0.05). Conclusion: The results of this study demonstrate that lumbar erector spinae plane block for chronic axial low back pain provides significantly less pain relief in geriatric patients than in younger patients at three-month follow-up. [ABSTRACT FROM AUTHOR]

Given there are no known studies which have examined multiple lower extremity muscles between different ankle positions during bridging activities, the objective was to assess how employing two different ankle positions (PF versus DF) while performing five common bridging exercises (three bipedal and two unipedal) used in rehabilitation and athletic performance affect core and select lower extremity muscle EMG recruitment. Twenty healthy subjects performed a 5 s isometric hold during five two- and one-leg bridge exercises: (1) on right leg with left knee to chest (1LB-LFlex); (2) on right leg with left knee extended (1LB-LExt); (3) standard two-leg bridge (2LB); (4) two-leg bridge with resistance band around knees (2LB-ABD); and (5) two-leg bridge with ball between knees (2LB-ADD). Surface electromyographic (EMG) data were collected using a Noraxon Telemyo Direct Transmission System from fourteen muscles: (1) three superficial quadriceps (VM, VL, and RF); (2) three hip abductors (TFL, GMED, and GMAX); (3) medial hamstrings (ST) and lateral hamstrings (BF); (4) hip adductors (ADD); (5) erector spinae (ES); (6) latissimus dorsi (LATS); (7) upper rectus abdominis (RA); and (8) external oblique (EO) and internal oblique (IO). EMG data were normalized by maximum voluntary isometric contractions (MVICs). A paired t-test (p < 0.01) was used to assess differences in normalized mean EMG activities between DF and PF for each exercise. EMG activities were significantly greater in DF than PF for the (a) VM, VL, and RF during 1LB-LFlex; (b) ADD during 1LB-LFlex, 1LB-LExt; (c) EO during 1LB-LFlex; and (d) IO during 1LB-LFex. In contrast, EMG activities were significantly greater in PF than DF for ST and BF during all five bridge exercises. Bridging with PF (feet flat) was most effective in recruiting the hamstrings, while bridging with DF (feet up) was most effective in recruiting the quadriceps, hip adductors, and internal and external obliques. [ABSTRACT FROM AUTHOR]

To explore the main risk factors for the occurrence of low back pain (LBP) and provide a theoretical basis for future prevention and intervention of LBP. Methods Using stratified cluster sampling, LBP patients treated in 11 hospitals nationwide were selected as the case group (n = 394), and patients with other diseases or healthy individuals from the same hospitals were selected as the control group (n = 413) from December 2021 to December 2022. Data on general personal information, occupational factors, lifestyle, and socio -psychological factors were collected through electronic questionnaires. R-language statistical software was used to analyze the data. Multifactorial logistic regression analysis was employed to explore the influencing factors of LBP, and multiplicative and additive interaction models were used to analyze the interaction effects of occupational and lifestyle factors. Results The average age of the case group was (47.65 ± 11.24) years; the control group's average age was (46.54 ± 11.31) years. Multifactorial logistic regression analysis showed that compared to those who were underweight, did not engage in repetitive work, did not use mobile phones during commuting, and were dissatisfied with their salary, those who were overweight or obese, engaged in repetitive work, used mobile phones during commuting, and were satisfied with their salary had an increased risk of LBP ranging from 1.759 to 3.713 times (P < 0.05). Compared to those with an educational level of primary school or below and administrative personnel, those with higher educational levels and professional technicians, office workers, military personnel, and equipment operators had a lower risk of LBP ranging from 0.144 to 0.571 times (P < 0.05). Interaction analysis showed a multiplicative interaction between repetitive work and mobile phone use during commuting (OR = 3.743, 95%CI: 2.181 - 6.424). Conclusions The occurrence of LBP was related to multiple individual, occupational, and lifestyle factors, and there may be a cumulative effect of work and lifestyle factors on the occurrence of LBP. Employers should take reasonable preventive measures to reduce the risk of LBP and ensure the occupational health of workers. [ABSTRACT FROM AUTHOR]

Lower back pain (LBP) describes pain of indeterminate duration between the lower edge of the ribs and the buttocks. LBP hinders movement, quality of life, and mental well-being, and limits work activities and engagement with family and friends. LBP represents a public health problem, and most workers are expected to experience LBP symptoms throughout their working lives. The study's main objective was to characterize LBP in the hospitality population of the province of León, Spain, determining the risk factors. A pilot study with a cross-sectional observational design was developed following the guidelines of Strengthening the Reporting of Observational Studies in Epidemiology (STROBE) for 150 Spanish hotel workers. Sociodemographic and lifestyle, occupational, and clinical data related to LBP were obtained through surveys. The annual prevalence of LBP in this study was 87.1% which was higher in women. A significant relationship (p < 0.05) was obtained between sex, income, smoking, sleep quality, and all labor variables with LBP. In addition, the Fear Avoidance Beliefs Questionnaire (FABQ) results revealed that 49% of the participants had a score > 14. Also, 83.3% of patients with >6 annual LBP crises suffered from sciatica. Once the results were known, preventive intervention would be needed to reduce these main risk factors for LBP for hospitality workers. [ABSTRACT FROM AUTHOR]

Introduction: Persistent low back pain (LBP) is the leading cause of disability worldwide, and therapeutic exercise is recommended as a first-line treatment in international guidelines. The effects of exercise on clinical outcomes of pain and physical function are small to moderate, despite broader impacts on cardiovascular systems, biological health, mood, and emotional well-being. Therapeutic exercise prescription is defined as exercise that is prescribed by a clinician for a health-related treatment. It is unknown how therapeutic exercise prescription creates effects on outcomes of importance. Realist reviews explore how underlying mechanisms (M) may be active in the context (C) of certain situations, settings, or populations to create an intended or unintended outcome (O). Our objective is to explore and understand the mechanisms by which therapeutic exercise prescription changes outcomes for people with persistent LBP. Methods: We will develop initial programme theories based on preliminary data from a previous systematic review and consensus workshop. These theories will be modified with input from a steering group (experts), a stakeholder group (people with lived experience of exercise for persistent LBP and clinicians), and a scoping search of the published literature. An information specialist will design and undertake an iterative search strategy. These will be used to create CMO configurations, which will be refined and tested using the literature. The realist review will be reported following RAMESES guidance. Discussion: Realist reviews are uncommon in LBP research to date, yet those offer an opportunity to contrast with traditional methods of randomised controlled trials and systematic reviews and provide additional information regarding the contexts and mechanisms that may trigger certain outcomes. This can aid our understanding of the contextual features that may influence exercise prescription, such as for whom they are most effective, in what setting, how they are implemented and why. This realist synthesis will enhance our understanding of therapeutic exercise prescription to improve adherence and engagement and ultimately will provide clinically relevant recommendations regarding exercise prescription for those with persistent LBP. Systematic review registration: The review has been registered with PROSPERO (CRD42017072023). [ABSTRACT FROM AUTHOR]

Abdominal aortic calcification (AAC) is hypothesized to lead to ischemic pain of the lower back. This retrospective study aims to identify the relationship between AAC and lower back pain (LBP) in patients with degenerative lumbar spondylolisthesis. Lower back pain was assessed preoperatively and 2 years after surgery using the numeric analogue scale. Abdominal aortic calcification was assessed according to the Kauppila classification and was grouped into no, moderate, and severe. A multivariable regression, adjusted for age, sex, body mass index, hypertension, and smoking status, was used to assess the association between AAC and preoperative/postoperative LBP as well as change in LBP after surgery. A total of 262 patients were included in the final analysis. The multivariable logistic regression demonstrated an increased odds ratio (OR) for preoperative LBP$4 numeric analogue scale (OR5 9.49, 95% confidence interval [CI]: 2.71-40.59, P,0.001) and postoperative LBP$4 (OR51.72, 95% CI: 0.92-3.21, P50.008) in patients with severe AAC compared with patients with no AAC. Both moderate and severe AAC were associated with reduced improvement in LBP after surgery (moderate AAC: OR50.44, 95% CI: 0.22-0.85, P50.016; severe AAC: OR50.41, 95% CI: 0.2-0.82, P 5 0.012). This study demonstrates an independent association between AAC and LBP and reduced improvement after surgery. Evaluation of AAC could play a role in patient education and might be considered part of the differential diagnosis for LBP, although further prospective studies are needed. [ABSTRACT FROM AUTHOR]

Introduction: Chronic low back pain presents a significant challenge in healthcare, affecting numerous individuals globally. Despite the availability of various treatment options, optimal management remains elusive. This study aims to explore different treatment strategies for chronic low back pain, including exercise, pharmacological interventions, and emerging techniques in neural management. Aim of the Study: The aim of this study is to provide healthcare professionals with comprehensive insights into managing chronic low back pain. By examining the effectiveness and potential side effects of different treatment modalities, the study seeks to enhance clinicians' understanding and decision-making in pain management. Brief Summary: Through a thorough review of literature and evidence-based analysis, this study discusses the role of exercise, medications, and neural management techniques in managing chronic low back pain. It evaluates the efficacy, safety, and potential benefits of each approach, offering valuable guidance for healthcare professionals in optimizing patient care. Conclusion: This study underscores the importance of adopting a multidisciplinary approach to managing chronic low back pain. By incorporating a range of treatment modalities, including exercise, pharmacological interventions, and emerging techniques, healthcare professionals can deliver personalized and effective care to patients. Enhanced knowledge and understanding of these strategies empower clinicians to address the complex challenges associated with chronic low back pain and improve patient outcomes.

Key Clinical Message Spinal subdural hematoma is uncommon but may become more prevalent with increasing anticoagulant use. Early diagnosis from symptoms like lower back pain and leg paralysis is crucial for timely intervention.

BackgroundWork-related musculoskeletal disorders are widespread among workers of informal small-scale enterprises. Specifically, lower back pain is a prevalent occupational health problem across various industries, including weaving factories. Lower back pain significantly impairs the functioning, performance, and productivity of weavers. However, information on the prevalence and associated factors of low back pain among weavers of Bahir Dar City and nationwide is scarce. Therefore, this study aimed to assess the prevalence and associated factors of lower back pain among weavers working in Bahir Dar City.MethodA multicentered institutional-based cross-sectional study was conducted on 403 weavers in Bahir Dar City, Ethiopia, from April to May 2023 using a structured face-to-face interview questionnaire. Samples were proportionally allocated to each institution, and study participants were selected using a simple random sampling technique. Variables with a P-value < 0.25 in the bivariate logistic regression were adopted for the multivariate logistic regression analysis after verifying the model fitness. In the multivariate logistic regression analysis, the adjusted odds ratio (AOR) with a 95% confidence interval (CI) and a P-value < 0.05 were considered to identify the associated factors of lower back pain among weavers.ResultThe results revealed that the overall annual prevalence of lower back pain was 63.5% (95% CI = 58.8–68.5). Longer working hours [AOR = 2.580 (CI = 1.517–4.384)], lack of back support [AOR = 1.938 (CI = 2.089–3.449)], repetitive movement of the back during weaving [AOR = 5.940 (CI = 2.709–13.02)], awkward posture [AOR = 2.915 (CI = 1.677–5.065), static working posture [AOR = 4.505 (CI = 2.298–8.831)], and job stress [AOR = 3.306 (CI = 1.896–5.765)] were significantly associated with lower back pain among weavers.ConclusionsLower back pain among weavers was found to be highly prevalent. Working longer hours, lack of back support, repetitive movement of the back, awkward posture, static posture, and job stress were significantly associated with lower back among weavers. The study recommends prompt interventions on weavers to ensure that they use sitting support, weave for

Abstract Purpose Lower back pain (LBP), mainly caused by intervertebral disk (IVD) degeneration (IDD), is widely prevalent worldwide and is a serious socioeconomic burden. Numerous factors may trigger this degenerative process, and microbial dysbiosis has recently been implicated as one of the likely causes. However, the exact relationship between IDD and the microbiome remains obscure. In this study, we investigated the gut microbiota composition and fecal metabolic phenotype and discussed the possible influences of microbiome dysbiosis on IDD. Methods Fecal DNA was extracted from 16 fecal samples (eight rabbit models with IDD and eight sex- and age-matched healthy controls) and analyzed by high-throughput 16S rDNA sequencing. The fecal samples were also analyzed by liquid chromatography–mass spectrometry-based metabolomics. Multivariate analyses were conducted for the relationship between the omics data and IDD, linear discriminant analysis effect size was employed for biomarker discovery. Moreover, the Kyoto Encyclopedia of Genes and Genomes (KEGG) database was used to annotate the differential metabolites. The potential correlation between differential gut microbiota and metabolites was then assessed. Results The 16S rDNA sequencing results showed that the β-diversity of the gut microbiota was significantly different between the IDD and control groups, with distinct abundance levels of dominant genera. Moreover, 59 metabolites were significantly upregulated and 91 were downregulated in IDD rabbits versus the controls. The KEGG enrichment analysis revealed that the top pathways remarkably impacted by IDD were tyrosine metabolism, amino sugar and nucleotide sugar metabolism, benzoate degradation, ABC transporters, ascorbate and aldarate metabolism, pantothenate and CoA biosynthesis, and pyrimidine metabolism. The correlation analysis revealed that DL-tyrosine and N-acetylmuramic acid were associated with multiple differential bacterial genera, including Helicobacter and Vibrio, which may play important roles in the process of IVD degeneration. Conclusion Our findings revealed that IDD altered gut microbiota and fecal metabolites in a rabbit model. The correlation analysis of microbiota and metabolome provides a deeper understanding of IDD and its possible etiopathogenesis. These results also provide a direction and theoretical basis for the clinical application of fecal transplantation, probiotics, and other methods to regulate gut microbiota in the treatment of LBP caused by IDD.

Purpose of the study: to assess risk factors for the development of nonspecific back pain syndrome in skydivers.Materials and methods: A single-center, prospective, non-randomized study included 173 men aged 25 to 55 years who had been followed up with low back pain for 1 to 5 years. The main group included 89 people involved in parachuting (experience from 5 to 20 years, number of jumps — 276 (167; 387) times), the comparison group — 84 patients who had never jumped with a parachute. Depending on the total number of jumps, the main group was divided into 2 subgroups: less than 198 (n = 29) and more than 198 parachute jumps (n = 60). All patients underwent clinical neurological examination and magnetic resonance imaging (MRI) of the spine. MRI was used to quantify the presence of disc tissue displacements, the presence of straightening lordosis, and spondylolisthesis. Statistical processing of the obtained data was carried out using the IBM SPSS Statistics 25 program.Results: a correlation was established between the appearance of disc tissue displacement in the spine according to MRI and the number of parachute jumps in the main group (r = 0.430; p < 0.001). The indicated pathological changes in the spine in paratroopers occurred when the total number of jumps was 198 or more. Among parachutists of the main group, displacement of disc tissue in the spine correlated with the level of pain intensity (r = 0.337; p < 0.001) and the degree of functional impairment according to the results of the questionnaires Oswestry (r = 0.325; p < 0.001) and Roland Morris (r = 0.292; p < 0.001). The highest rate of pain syndrome and degree of disability was in the subgroup of paratroopers with extensive experience (p < 0.05), while other groups of patients had no differences in this indicator.Conclusions: in skydiving athletes, the intensity of pain in the lower back and the degree of degenerative-dystrophic changes depended on the number of parachute jumps.

Abstract Background Several methods can be used to diagnose discogenic pain, but only discoblock can diagnose discogenic pain definitively. This study aimed to examine the usefulness of an ultrasound-guided disc pain induction test for a simple and accurate diagnosis of the culprit lesion. Methods We included 41 patients with lumbar pain in whom pain was induced by an ultrasound-guided disc pain induction test. All patients had confirmed pain at L1/2 to L5/S1 based on an ultrasound-guided disc pain induction test and underwent X-ray photography and magnetic resonance imaging. Seventeen patients who required injection due to severe pain underwent discoblock procedures for discs with the most intense pain, and visual analogue scale (VAS) scores were obtained before and after the procedure for these patients. We analysed the association between painful discs and radiological findings. Results Pain induction was noted in a total of 65 discs, and the pain was induced in 23 patients in only one disc. All patients had disc degeneration of Pfirrmann classification grade 1 or higher, with more significant disc degeneration in painful discs than in painless discs. There was no significant relationship between the presence or absence of pain and Modic type. The average VAS measurements improved significantly from 9.5 (pre-procedure) to 2.5 (post-procedure). These results suggest that the most painful discs were the causes of discogenic lumbar pain. Conclusions Our ultrasound-guided disc pain induction test may help diagnose disc degeneration and identify culprit lesions, even when multiple discs exhibit findings of degeneration.

Lower back pain is a common occurrence among mine workers due to the nature of their work. Globally, workplace (occupational) and ergonomic risk factors have been reported to influence the prevalence of lower back pain among workers. This study aimed to determine ergonomic risk factors associated with lower back pain and associated risk factors (workplace and ergonomics) among mineworkers in a nickel mine in Zimbabwe. A cross-sectional study design was employed, and participants were randomly selected to complete a questionnaire that included the Dutch Musculoskeletal Questionnaire (DMQ). A total of 420 mine workers were interviewed, with the majority being male (n = 259, 61.7%) and aged between 31 and 44 years old (n = 159, 37.9%). The study found that the prevalence of lower back pain was 41.43% (n = 174). Several risk factors were found to be associated with lower back pain, including working overtime (AOR = 1.13, p < 0.01; 95% CI: 0.07–0.22), performing repetitive tasks (AOR = 8.06, p < 0.01; 95% CI: 4.67–13.93), bending (AOR = 7.77, p < 0.01; 95% CI: 3.97–15.22), and twisting (AOR = 3.32, p < 0.01; 95% CI: 1.83–6.03). Based on these findings, it is recommended that an ergonomic risk assessment and prevention program be implemented, which should include educational awareness about lower back pain and its prevention among mine workers.

Lower back pain (LBP) is a widely prevalent global health issue, affecting over half a billion people and remaining the leading cause of years lived with disability (YLDs). LBP significantly impacts healthcare systems, with substantial costs related to surgical procedures and lost workdays. Vertebrogenic back pain (VBP), characterized by specific clinical symptoms and associated with Modic changes (MC) in vertebral endplates, best seen on MRI, is a significant subset of LBP. This paper explores the pathophysiology, diagnosis, and current reports and studies focusing on VBP and the role of basivertebral nerve (BVN) ablation as a therapeutic intervention. Multiple studies, including randomized controlled trials (RCTs) and meta-analyses, demonstrate the efficacy of BVN ablation in reducing pain and improving function in patients with chronic LBP associated with MC.

Various nutritional supplements are available over the counter, yet few have been investigated in randomized controlled trials. The rationale for using the specific mix of nutritional substances including collagen type II, hyaluronic acid, n-acetyl-glucosamine, bamboo extract, L-lysine, and vitamin C is the assumption that combining naturally occurring ingredients of the intervertebral disc would maintain spine function. This double-blinded, placebo-controlled randomized trial aimed to evaluate the efficacy of a nutraceutical supplement mix in the management of lumbar osteochondrosis. Fifty patients were randomly assigned to either the supplement or placebo group in a 1:1 ratio. Patient-Reported Outcome Measures (PROMs) included the Oswestry Disability Index (ODI), the visual analogue scale for pain (pVAS), short form-12 (SF-12) physical and mental component summary subscale scores (PCS and MCS, respectively), and global physical activity questionnaire (GPAQ). Magnetic resonance imaging (MRI) was used to evaluate degenerative changes of intervertebral discs (IVD) including Pfirrmann grades as well as three-dimensional (3D) volume measurements. Data were collected at baseline and after the 3-month intervention. None of the PROMs were significantly different between the supplement and placebo groups. Disc degeneration according to Pfirrmann classifications remained stable during the 3-month intervention in both groups. Despite no significance regarding the distribution of Pfirrmann grade changes (improvement, no change, worsening; p = 0.259), in the supplement group, one patient achieved a three-grade improvement, and worsening of Pfirrmann grades were only detected in the placebo group (9.1%). Furthermore, in-depth evaluations of MRIs showed significantly higher 3D-measured volume changes (increase) in the supplement (+740.3 ± 796.1 mm3) compared to lower 3D-measured volume changes (decrease) in the placebo group (−417.2 ± 875.0 mm3; p < 0.001). In conclusion, this multi-nutrient supplement might not only stabilize the progression of lumbar osteochondrosis, but it might also potentially even increase IVD volumes as detected on MRIs.

Purpose: Lower back pain (LBP), mainly caused by intervertebral disk (IVD) degeneration (IDD), is widely prevalent worldwide and is a serious socioeconomic burden. Numerous factors may trigger this degenerative process, and microbial dysbiosis has recently been implicated as one of the likely causes. However, the exact relationship between IDD and the microbiome remains obscure. In this study, we investigated the gut microbiota composition and fecal metabolic phenotype and discussed the possible influences of microbiome dysbiosis on IDD. Methods: Fecal DNA was extracted from 16 fecal samples (eight rabbit models with IDD and eight sex- and age-matched healthy controls) and analyzed by high-throughput 16S rDNA sequencing. The fecal samples were also analyzed by liquid chromatography–mass spectrometry-based metabolomics. Multivariate analyses were conducted for the relationship between the omics data and IDD, linear discriminant analysis effect size was employed for biomarker discovery. Moreover, the Kyoto Encyclopedia of Genes and Genomes (KEGG) database was used to annotate the differential metabolites. The potential correlation between differential gut microbiota and metabolites was then assessed. Results: The 16S rDNA sequencing results showed that the β-diversity of the gut microbiota was significantly different between the IDD and control groups, with distinct abundance levels of dominant genera. Moreover, 59 metabolites were significantly upregulated and 91 were downregulated in IDD rabbits versus the controls. The KEGG enrichment analysis revealed that the top pathways remarkably impacted by IDD were tyrosine metabolism, amino sugar and nucleotide sugar metabolism, benzoate degradation, ABC transporters, ascorbate and aldarate metabolism, pantothenate and CoA biosynthesis, and pyrimidine metabolism. The correlation analysis revealed that DL-tyrosine and N-acetylmuramic acid were associated with multiple differential bacterial genera, including Helicobacter and Vibrio, which may play important roles in the process of IVD degeneration. Conclusion: Our findings revealed that IDD altered gut microbiota and fecal metabolites in a rabbit model. The correlation analysis of microbiota and metabolome provides a deeper understanding of IDD and its possible etiopathogenesis. These results also provide a direction and theoretical basis for the clinical application of fecal transplantation, probiotics, and other methods to regulate gut microbiota in the treatment of LBP caused by IDD. [ABSTRACT FROM AUTHOR]

Background: Diastasis recti (DR) is the separation of the abdominis rectus muscles in the central region, along with the white linea, in postpartum women. Less attention given towards the management of DR results in further complications such as urinary incontinence, descending reproductive organs, both umbilical and abdominal hernias, low back pain, and pelvic pain. Purpose: The aim of the study is to find the effectiveness of abdominal hypopressive techniques on diastasis recti in postpartum women. Materials and Methods: A total of 44 participants were recruited from the Department of Obstetrics and Gynaecology, SMCH and randomly assigned into 2 groups- Hypopressive exercise group (n = 22) with the mean age of 27.22 ± 1.71 years and conventional abdominal exercise group (n = 22) in with mean age of 26.36 ± 2.25 years. The Digital Vernier caliper and Oswestry Disability Index (ODI) version 2.0 were used as outcome measures to assess the inter recti distance and low back pain at baseline and after 8 weeks. Both therapies were administered 3 times a week for eight weeks. Results: At the end of the treatment session, both groups showed significant improvement in inter recti distance and pain, but the participants who underwent hypopressive exercises had statistically (p < 0.05) better results. Conclusion: The study shows that hypopressive exercises can be utilized to treat individuals with diastasis recti in postpartum women. [ABSTRACT FROM AUTHOR]

Background. Globally, the LBP prevalence among the general population varies from 15-45%. Work-related LBP is estimated to cause 818,000 disability-adjusted life years lost (DALYs) annually. Aim of study. To determine the prevalence and factors associated with LBP among Iraqi Healthcare workers. Methodology. This is a cross-sectional study that included 220 participants and was conducted at Baghdad during the period from 5/7/2023 to 25/11/2023. Lower back pain was assessed using an Arabic version of the Standardized Nordic Musculoskeletal Questionnaire (NMQ). Results. The life, annual, and weekly prevalence of LBP were 92.7%, 90.9%, and 58.2%, respectively. A statistically significant associated was detected between weekly prevalence of LBP and each of female gender, long working hours, BMI, and occupation. Conclusion. LBP is a highly prevalent condition among Iraqi HCWs and it caused considerable reduction to the quality of life and work performance. Risk factors for weekly prevalence were female gender, longer working hours, obesity, and working as a dentist. [ABSTRACT FROM AUTHOR]

(1) Background: Lower back pain is often caused by lumbar facet joint syndrome. This study investigated the effectiveness of three different injection methods under ultrasound guidance in treating elderly patients with lumbar facet joint syndrome. The difficulty in performing these injections was also evaluated; (2) Methods: A total of 60 elderly patients with facet joint syndrome as the cause of lower back pain were recruited and divided into 3 groups. Group 1 received medial branch block (MBB). Group 2 received intra-articular facet joint injections. Group 3 received injection into the multifidus muscle portion that covers the facet joint. Five percent dextrose water (D5W) was used as the injectant. The visual analog scale (VAS) was used to measure the degree of lower back pain; (3) Results: Before the injection treatments, the VAS score averaged about 7.5. After three consecutive injection treatments (two weeks interval), the VAS score decreased significantly to an average of about 1 in all 3 groups, representing mild to no pain. Between group analyses also did not reveal significant statistical differences, suggesting that these procedures are equally effective; (4) Conclusions: Ultrasound-guided injection of the multifidus muscle may be a feasible option in treating elderly patients with lower back pain caused by facet joint syndrome as it is easier to perform as compared to MBB and intra-articular facet joint injection. [ABSTRACT FROM AUTHOR]

Objective To observe the morphology of the multifidus muscle in patients with unilateral lumbar disc herniation (LDH) accompanied by lower back pain (LBP) on the same side, and to explore the impact of changes in multifidus muscle morphology on LBP. Methods Forty-three patients with unilateral LDH accompanied by ipsilateral LBP were evaluated for LBP pain using Visual Analog Scale (VAS), and were divided into the group A (VAS score ≤ 4 points) and group B (VAS score>4 points) based on the patients' VAS score. Patients of both groups underwent lumbar spine MRI scan, and Image J software was used to measure the relative cross-sectional area (RCSA) and the degree of fat infiltration (DFF) of the multifidus muscle on the L4/5 herniated and non-herniated sides of the intervertebral discs in both groups. Results The RCSA and DFF of the non-herniated side of the intervertebral disc in 43 patients were 40. 15 ± 4. 87 and 28. 88 ± 6. 27, respectively. The RCSA and DFF of the herniated side of the intervertebral disc were 36. 57 ± 4. 74 and 33. 83 ± 5. 53, respectively, with statistically significant difference (all P<0. 05). Compared with the non-herniated side of the intervertebral disc, the RCSA of the multifidus muscle on the herniated side of the intervertebral disc in the patients of group A decreased and the DFF increased (all P<0. 05), compared with patients in the group A, patients in the group B showed a decrease in RCSA and an increase in DFF in the non-herniated side of the intervertebral disc multifidus muscle (both P<0. 05). Conclusions Unilateral LDH patients with ipsilateral LBP experience atrophy of the multifidus muscle on the herniated side of the intervertebral disc. Compared with patients with mild LBP pain, patients with severe LBP pain also experience atrophy of multifidus muscle on the non-herniated side of the intervertebral disc [ABSTRACT FROM AUTHOR]

Introduction: Posterior femoral cutaneous nerve (PFCN) neuropathy is an uncommon, potentially under‐recognized cause of low back, buttock, perineal, and posterior and lateral thigh pain and numbness. Most PFCN injuries are caused by intramuscular injections; however, this is the first reported case of a PFCN injury of hamstring pathology due to tendonitis caused by long‐distance running. Case Report: A middle‐aged man presented with right lower buttock pain, which started 2 weeks after running a marathon. The pain was located medial and superior to the ischia tuberosity and extended distally to the right scrotum with no testicular pain. The pain progressed such that he was unable to sit down for over a year. An initial MRI showed right hamstring tendonitis. Consults with sports medicine and hip orthopedics provided no clear diagnosis. He failed to improve with NSAIDs, physical therapy, massage, PRP injection, two Ganglion of Impar Nerve blocks, and trial of Pregabalin. The diagnosis was confirmed with temporary relief following a PFCN block. He was then advised to have the nerve resected because of the failure of nonsurgical treatment. Discussion: After excluding the more common etiologies of buttock pain and sitting intolerance, practitioners should consider the rarer condition of the impingement of the PFCN in runners. [ABSTRACT FROM AUTHOR]

Background: Few studies have investigated the effects of adopting a specific and prolonged posture on cyclists. This study aimed to evaluate the upright spine in a sample of recreational cyclists and compare it with a sample of non-cyclists, though still athletes, through a 3D scanning method. Methods: Forty-eight participants were enrolled in this observational study. The sample consisted of 25 cyclists for the cycling group and 23 non-cyclist athletes for the control group. The Spine3D device (Sensor Medica, Guidonia Montecelio, Rome, Italy) was used to evaluate the spine of the participants in both groups. Results: The results showed significantly greater spine inclination in the cycling group compared to the control group (p < 0.01). Furthermore, there was a significant decrease in lumbar lordosis in the cycling group compared to the control group (p < 0.01). Conclusions: This case–control study raises the possibility that the onset of lower back pain in cyclists may be due to a reduction in lumbar lordosis. Furthermore, this study demonstrated that the Spine3D device can be used in sports to monitor the spine of athletes to prevent and reduce musculoskeletal deficits. [ABSTRACT FROM AUTHOR]

ObjectiveThis study aims to explore global research trends on exercise interventions for nonspecific low back pain from 2018 to 2023 through bibliometric analysis.MethodsA systematic search was conducted in the Web of Science Core Collection database to select relevant research articles published between 2018 and 2023. Using CiteSpace and VOSviewer, the relationships and impacts among publications, different countries, journals, author groups, references, and keywords were analyzed in depth.ResultsThe bibliometric analysis included 4,896 publications, showing a trend of initial growth followed by a decline. At the national level, the United States made the most significant contributions in this field. The journal “Lancet” had three of the top 10 most-cited articles, with an average citation count of 306.33, and an impact factor reaching 168.9 in 2023. The analysis also revealed that “disability,” “prevalence,” and “management” were high-frequency keywords beyond the search terms, while “rehabilitation medicine,” “experiences,” and “brain” emerged as new hotspots in the research.ConclusionThis study reveals the global trends in research on exercise interventions for nonspecific low back pain over the past 5 years and highlights potential research frontiers in the field. These findings provide a solid foundation for focusing on key issues, potential collaboration directions, and trends in research development in the future, offering valuable references for further in-depth studies.

Objective: Lower back pain is a significant cause of morbidity, and despite a range of interventions available, there is a lack of consensus on the most efficacious treatments. The aim of this systematic review is to formulate a list of recommendations for the role of spinal injections and surgery in the treatment of acute back pain. Methods: A systematic literature search from 2012 to 2022 was conducted on Pubmed, Medline, and Cochrane Central Register of Controlled Trials for papers focusing on the role of injections and surgery for the management of acute lower back pain. Inclusion criteria included randomised controlled trials, as well as prospective and retrospective studies reporting primary outcomes (pain improvement (VAS score) and back-specific functional status) and secondary outcomes (post-procedure complications). These data were reviewed, presented, and voted on by an expert panel consisting of 14 attending spine surgeons from 14 countries at the consensus meeting of the World Federation of Neurosurgical Societies (WFNS) Spine Committee. A two-round consensus-based Delphi method was used to generate consensus, and topics with >66% agreement were categorized as having reached consensus. Results: 100 studies met inclusion criteria. Of these, 20 were selected by the committee for full text review and presented at the consensus meeting. The committee voted on 8 statements and achieved consensus on the following 7 statements: (1) Epidural steroid injections (ESIs) show significant benefit to discogenic back pain; (2) A lateral approach is superior to a midline approach for ESIs; (3) Short-term (

Lu Gao, Lei Ye, Yiquan Zhang, Ke Zhang, Xianxiang Wang, Bao Chun Cheng, Hongwei Cheng Department of Neurosurgery, First Affiliated Hospital of Anhui Medical University, Hefei, Anhui Province, People’s Republic of ChinaCorrespondence: Hongwei Cheng; Bao Chun Cheng, Department of Neurosurgery, First Affiliated Hospital of Anhui Medical University, Jixi Road 218, Hefei, Anhui Province, 230022, People’s Republic of China, Email hongwei.cheng@ahmu.edu.cn; ayfycheng@qq.comObjective: This study aimed to explore the related risk factors in patients who underwent hemilaminectomy for lumbar spinal schwannoma resection and who experienced deterioration of postoperative lower back pain in comparison to preoperative pain levels.Methods: This retrospective study recruited 61 patients from the First Affiliated Hospital of An Hui Medical University between January 2018 and June 2019. All data were collected from clinical records and analyzed at 1-month and at 1-year follow-up. The visual analog scale (VAS) was used to evaluate pain, and neurologic function was assessed using the Modified McCormick Scale. Intraoperative neurophysiological monitoring was used to assess neuronal integrity and mitigate injury. Statistical analysis of the data was performed using the SPSS version 19 software.Results: Preoperative pain improved dramatically in the 1-year follow-up (VAS: preoperative, 3.84± 2.19; 1-year follow-up, 2.13± 2.26; P< 0.001). The pain-improved group and worsened group showed a significant difference at 1-month (VAS: 1.76± 1.56; 5.54± 1.26; P< 0.05) and at 1-year (VAS: 0.83± 1.09; 4.80± 1.58; P< 0.05) follow-up. The pain-improved and worsened groups had a significant difference in tumor size and hemilaminectomy removal segments at 1-month and 1-year follow-up, but A-train occurrence on electromyography could only be seen as a statistical difference in the 1-month follow-up. Logistic regression analysis revealed that tumor size was an independent risk factor for postoperative lower back pain deterioration.Conclusion: The hemilaminectomy approach is a safe and effective method that can dramatically relieve pain in spinal lumbar schwannoma resection. Tumor size is an independent risk factor for postoperative lower back pain. A-train on spontaneous electromyography has been shown to be a reliable predictive factor for the evaluation of postoperative lower back pain. However, further detailed analysis of A-train characteristics can provide a more accurate warning during surgery.Keywords: lumbar spinal schwannoma, lower back pain, hemilaminectomy, electromyography, intraoperative monitoring