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BACKGROUND: The presence of autoantibodies against citrullinated proteins (ACPA) significantly increases the risk of developing rheumatoid arthritis (RA). Dysregulation of lymphocyte subpopulations was previously described in RA. OBJECTIVES: To propose the predictive model for progression to clinical arthritis based on peripheral lymphocyte subsets and ACPA in individuals who are at risk of RA. METHODS: Our study included 207 at-risk individuals defined by the presence of arthralgias and either additional ACPA positivity or meeting the EULAR definition for clinically suspect arthralgia. For the construction of predictive models, 153 individuals with symptom duration ≥12 months who have not yet progressed to arthritis were included. The lymphocyte subsets were evaluated using flow cytometry and anti-CCP using ELISA. RESULTS: Out of all individuals with arthralgia, 41 progressed to arthritis. A logistic regression model with baseline peripheral blood lymphocyte subpopulations and ACPA as predictors was constructed. The resulting predictive model showed that high anti-CCP IgG, higher percentage of CD4+ T cells, and lower percentage of T and NK cells increased the probability of arthritis development. Moreover, the proposed classification decision tree showed, that individuals having both high anti-CCP IgG and low NK cells have the highest risk of developing arthritis. CONCLUSIONS: We propose a predictive model based on baseline levels of lymphocyte subpopulations and ACPA to identify individuals with arthralgia with the highest risk of progression to clinical arthritis. The final model includes T cells and NK cells, which are involved in the pathogenesis of RA. This preliminary model requires further validation in larger at-risk cohorts.

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To study the efficacy of low-level laser therapy in the management of temporomandibular joint arthralgia. Design Interventional study (pre-post study), Setting Meenakshi Medical College And Hospital, Research Institute. Subjects 50 patients with temporomandibular joint arthralgia were evaluated for pain, mouth opening and clicking sound while mouth opening before and after treatment. Method Patients are subjected to undergo low-level laser therapy with Infrared and red rays with a therapeutic dosage ranging from 8 J/cm2 to 15 J/cm2 up to 3-5 sessions for a month each session lasts for 15-20 min. The patients are to be followed up regularly after 1, 3, 6 and 8 months in the study.The study measured the range of mouth opening in patients before and after undergoing low-level laser therapy. Before treatment, the range of mouth opening was from 2.78 to 3.97 cm, with a mean value of 2.78 cm and a standard deviation of 0.22. After treatment, the range of mouth opening was from 2.78 to 3.97 cm, with a mean value of 3.97 cm and a standard deviation of 0.24. The study also measured the VAS score for pain, with a mean and standard deviation of 7.9 ± 0.73 before treatment and 0.88 ± 0.718 after treatment. There was a significant difference between the pretreatment and post-treatment VAS scores, with a P-value of 0.05. Low-level laser therapy is an effective non invasive treatment modality for temporomandibular joint arthralgia. The patients who underwent this procedure had symptomatic relief and no remissions were observed.

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Multidrug-resistant TB (MDR-TB) is a form of tubercular disease caused by a strain of Mycobacterium tuberculosis complex that is resistant to rifampicin and isoniazid. Microbiologically diagnosed patients are started on an all-oral longer regimen or shorter regimen based on the Guidelines on Programmatic Management of Drug Resistant TB (PMDT) in India. Fluoroquinolones (FQs), being the cornerstone in the treatment of MDR-TB, are categorized as class A drugs. Levofloxacin (Lfx) administered at a dose of 11-14 mg/kg/day holds a strong bactericidal activity against Mycobacterium tuberculosis. FQs are associated with a wide range of adverse drug reactions, such as nausea, bloating, headache, dizziness, and insomnia. Tendon rupture, arthralgia though rare, can also occur due to Lfx. Even though arthralgia is commonly seen in patients on Lfx-associated treatment, only a few cases have been reported in India to date. We present a case series involving three cases of Lfx-induced arthralgia in patients of different age groups who are started on an all-oral longer regimen after they were diagnosed with MDR-TB. Based on the treatment protocol, patients were rechallenged or switched to other drugs in the replacement sequence as per the weight band.

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The prevalence of and factors associated with musculoskeletal (MSK) symptoms in patients with hidradenitis suppurativa (HS) have yet to be elucidated. Given the association between HS and inflammatory comorbidities, understanding the burden of MSK symptoms in patients with HS is crucial for patient-centered care. Our objective was to describe the prevalence of and factors associated with MSK symptoms in patients with HS. A cross-sectional study of 78 consecutive patients recruited between November 2021 and February 2023 with a dermatology-confirmed diagnosis of HS, irrespective of MSK symptoms, was performed. The average age of participants (n=78) was 37 (SD 12.2) years, and the average age at symptom onset was 23 (SD 12.1) years; 54% (n=42) of participants identified as women, and 46% (n=36) as men. The most common comorbidities included depression (n=17, 22%) and preexisting arthritis (n=12, 16%). Approximately 24% (n=18) of participants reported prolonged morning stiffness. In a multivariate regression, depression was significantly associated with morning stiffness (odds ratio [OR] 6.1, 95% CI 1.4-26.1; P=.02), while female sex was significantly associated with arthralgia (OR 19.1, 95% CI 1.6-235.2; P=.02). Every patient with depression reported arthralgia. We highlight the high prevalence of MSK symptoms among patients with HS and note the interplay between depression and MSK symptoms, with each one potentially contributing to the other.

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Mayaro virus (MAYV) is an arbovirus first isolated in Trinidad and Tobago in 1954. MAYV is the causative agent of Mayaro fever, which is characterised by high fever, maculopapular rash, myalgia and arthralgia. The potential for chronic arthralgia is of particular clinical concern. Currently, MAYV outbreaks are restricted to South and Central America, with some cases reported in Africa as well as several imported cases in Europe. However, in recent years, MAYV has become a growing global concern due to its potential to emerge into urban transmission cycles. Challenges faced with diagnostics, as well as a lack of specific antivirals or licensed vaccines further exacerbate the potential global health threat posed by MAYV. In this review, we discuss this emerging arboviral threat with a particular focus on the current treatment and vaccine development efforts. Overall, MAYV remains a neglected arbovirus due to its limited area of transmission. However, with the potential of its urbanisation and expanding circulation, the threat MAYV poses to global health cannot be overlooked. Further research into the improvement of current diagnostics, as well as the development of efficacious antivirals and vaccines will be crucial to help prevent and manage potential MAYV outbreaks.

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OBJECTIVE: This review aimed to examine differences in outcomes with the use of intra-articular hyaluronic acid (HA) vs corticosteroids (CS) after temporomandibular joint (TMJ) arthrocentesis. METHODS: Studies were searched on PubMed, Embase, Web of Science, and Google Scholar up to 15th January 2024. Randomized controlled trials (RCTs) comparing HA with CS after TMJ arthrocentesis were included. The outcomes were pain and maximal mouth opening (MMO). RESULTS: Ten articles corresponding to nine RCTs were included. There was no statistically significant difference in pain scores at 1 week (MD: -0.30 95% CI: -1.25, 0.65 I2=0%), 1 month (MD: -0.55 95% CI: -1.23, 0.13 I2=0%), and 6 months (MD: -0.57 95% CI: -2.10, 0.96 I2=58%) between the two groups. However, pain scores were found to be significantly lower in the HA group at 3 months (MD: -1.07 95% CI: -1.84, -0.31 I2=0%). No statistically significant difference was noted in MMO at 1 week (MD: 0.78 95% CI: -1.79, 3.35 I2=0%), 1 month (MD: 0.32 95% CI: -1.83, 2.46 I2=0%), and 3 months (MD: -0.41 95% CI: -3.90, 3.07 I2=0%) between the two groups. Descriptive analysis for studies not included in the meta-analysis also presented similar results. CONCLUSIONS: Low-quality evidence suggests that both intra-articular HA and CS have similar efficacy in improving pain scores and MMO after TMJ arthrocentesis.

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BACKGROUND: Chikungunya fever (CF) is a viral disease, transmitted by alphavirus through Aedes aegypti, and albopictus mosquitoes, affecting several people, mainly in tropical countries, when its transmitter is not under control, and the main symptom of the chronic phase of CF is joint pain. OBJECTIVES: The primary objective of this study was to observe the prevalence, most affected joints, and intensity of chronic joint pain in individuals affected by CF, and also identify the factors associated with chronic joint pain in these individuals. METHODS: Cross-sectional study that evaluated one hundred and thirty volunteers, of both sexes, aged between 20-65 years, with a clinical and/or laboratory diagnosis of CF. The presence of joint pain was investigated using the Brazilian version of the Nordic Questionnaire of Musculoskeletal Symptoms and the intensity of pain using the Visual Analogue Scale. RESULTS: Of the 130 volunteers evaluated, n = 112 (86%) reported currently experiencing chronic joint pain, persistent, for approximately 38.6 ± 1.73 months, with the greatest predominance in the morning (58%). The joints most affected by pain were: the ankles (65.5%), interphalangeal joints of the hands (59.2%), and knees (59.2%). The joints that presented the greatest intensity of pain were: the ankles (5.13 ± 0.34), interphalangeal joints of the hands (4.63 ± 0.34), and knees (4.33 ± 0.33). Sedentary behavior (p = 0.037), increasing age (p = 0.000), and overweight/obesity (p = 0.002) were factors associated with chronic joint pain. CONCLUSION: A high prevalence of chronic, persistent joint pain was observed, with a greater prevalence in the morning. The joints most affected by chronic pain and with the greatest pain intensity were the ankles, and interphalangeal joints of the hands and knees. Sedentary behavior, increasing age, and overweight/obesity were the factors associated with chronic joint pain in individuals affected by CF in this study. Key Points • Individuals affected by CF had a high prevalence of chronic joint pain, persistent and more prevalent in the mornings • The ankles and interphalangeal joints of the hands and knees were the joints with the highest prevalence of pain • The ankles and interphalangeal joints of the hands and knees were the joints with the greatest pain intensity • Sedentary behavior, increasing age, and overweight/obesity were factors associated with chronic joint pain in individuals affected by CF.

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Chikungunya fever (CF) is caused by an arbovirus whose manifestations are extremely diverse, and it has evolved with significant severity in recent years. The clinical signs triggered by the Chikungunya virus are similar to those of other arboviruses. Generally, fever starts abruptly and reaches high levels, followed by severe polyarthralgia and myalgia, as well as an erythematous or petechial maculopapular rash, varying in severity and extent. Around 40% to 60% of affected individuals report persistent arthralgia, which can last from months to years. The symptoms of CF mainly represent the tissue tropism of the virus rather than the immunopathogenesis triggered by the host's immune system. The main mechanisms associated with arthralgia have been linked to an increase in T helper type 17 cells and a consequent increase in receptor activator of nuclear factor kappa-Β ligand and bone resorption. This review suggests that persistent arthralgia results from the presence of viral antigens post-infection and the constant activation of signaling lymphocytic activation molecule family member 7 in synovial macrophages, leading to local infiltration of CD4+ T cells, which sustains the inflammatory process in the joints through the secretion of pro-inflammatory cytokines. The term "long chikungunya" was used in this review to refer to persistent arthralgia since, due to its manifestation over long periods after the end of the viral infection, this clinical condition seems to be characterized more as a sequel than as a symptom, given that there is no active infection involved.

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Background: Increasing evidence supporting the clinical effectiveness of cooled radiofrequency ablation (RFA) therapy for genicular nerves in patients with chronic knee osteoarthritis (OA) exists. However, no study has been conducted to eliminate the potential influence of a placebo effect associated with this procedure. Therefore, we evaluated the efficacy of cooled RFA compared with a sham procedure in patients with painful knees due to OA. Methods: In this double-blind, randomized, controlled study, participants were randomly assigned to receive cooled RFA of the knee (cooled RFA group, n = 20) or a sham procedure (sham group, n = 20). The primary outcome was the proportion of successful responders at the three-month follow-up. The secondary outcomes were successful responders at one and six months; pain intensity of the knee; functional status; medication; and satisfaction at one, three, and six months after the procedures. Results: For the primary outcome, the successful responder rate was significantly higher in the cooled RFA group (76.5%) than in the sham group (33.3%) (p = 0.018). For the secondary outcome, more successful responders were observed in the cooled RFA group than in the sham group at one and six months after the procedure (p = 0.041 and 0.007, respectively). The decreased knee pain intensity was maintained throughout the six-month follow-up period in the cooled RFA group. No differences were observed in functional status, medication change, or satisfaction in both groups. Conclusions: The cooled RFA of genicular nerves offers significant pain relief and surpasses the effects attributable to a placebo.

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OBJECTIVES: Clinically suspect arthralgia (CSA) is an at-risk stage of rheumatoid arthritis (RA), in which patients experience symptoms and physical limitations. Perceptions of CSA-patients have remained largely unknown. Therefore, we aimed to map perceptions of CSA-patients and compare these to RA-patients. Additionally, we studied changes in perceptions in CSA over time. METHODS: Three hundred and ninety-nine consecutively included CSA-patients from the Leiden and Rotterdam CSA-cohorts and 100 recently diagnosed RA-patients from the Leiden Early Arthritis Clinic were included. Patients' illness perceptions (IP) were assessed using the Brief Illness Perception Questionnaire (BIPQ), consisting of 8 questions (scale 0-10; higher score indicating more negative IP) covering cognitive, emotional and comprehensibility domains, and one open question about causes of disease. IP were measured at baseline in both populations and during 2years follow-up in the CSA-cohorts. RESULTS: Total BIPQ-scores were comparable at CSA-presentation and RA-diagnosis (40±11 and 40±10; range 0-80). Comparing dimensions separately revealed that CSA-patients were less worried about physical complaints compared to RA-patients. However, CSA-patients were more negative about expected treatment-effect on symptoms. IP over time in CSA improved in patients without development of clinical arthritis (from 38±11 to 34±14; P=0.005) but remained similar in CSA-patients who progressed to arthritis/RA (mean 40 at both timepoints). CSA-patients mainly perceived physical strain and heredity as causes of their complaints. CONCLUSIONS: Although CSA-patients have not developed clinical arthritis, illness perceptions at CSA-presentation and RA-diagnosis are equally severe. Knowledge on worries and expectations may contribute to improving patient-contact and care in patients at risk of RA.

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Objective: This study aimed to explore the prevalence, signs, and symptoms of different types of TMD (Temporomandibular joint disorders) disorders in Tunisian patients. Methods: A retrospective cross-sectional study was conducted using the clinical records of patients from the Department of Functional Exploration, Pain, and Orofacial Dysfunction of the Dental Clinic of Monastir. Results: TMD is associated with a female predominance, with a peak prevalence among those aged between 20 and 40 years. Pain and a limited range of motion were significantly more prevalent in women (p = 0.019 and p = 0.012, respectively). Clicking sounds were the most frequent joint noises (38.2 %). Crepitus was more prevalent among older adults (33 %). Of the different types of TMD, disk displacement with reduction was the most prevalent (n = 216, 39 %). Sleep bruxism was more prevalent than awake bruxism (20.7 % VS 9.5 %). Due to the heterogeneous TMD signs and symptoms, patients tend to seek medical attention from various specialties (e.g. neurology and otolaryngology). Conclusion: The prevalence of different types of TMD, and the different signs and symptoms varied depending on sociodemographic characteristics, such as sex, age and lifestyle. Diagnosis is challenging and TMD may be confused with other orofacial pain conditions.

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Introduction: Adjuvant treatment with aromatase inhibitors (AI) in oestrogen receptor-positive and/or progesterone receptor-positive breast cancer (BC) has been shown to increase overall survival. However, arthralgias and myalgias are common adverse effects in patients treated with AI. Objective: To evaluate the frequency and characteristics of arthralgias and myalgias in patients with early BC-treated adjuvantly with AI in the Mastology Unit of the Oncology Service of the Hospital de Clínicas and the Departmental Hospital of Soriano. Materials and methods: A prospective, cross-sectional and descriptive study was performed. A questionnaire was administered to patients to assess the presence and characteristics of arthralgias and myalgias associated with AI. Statistical analysis: 'Age' was described with measures of central tendency and dispersion. Qualitative variables were presented in absolute and relative frequencies. Logistic models were used to evaluate the association between patient characteristics, tumour characteristics, treatment characteristics and the presence of pain. Results were presented by odds ratio and p-value, using R software (version 4.1.2) with a significance threshold of 5%. Results: 83 patients were included, with a median age of 69 years. 75.9% presented arthralgias and/or myalgias related to treatment, with an average intensity of 5-7. 80.9% received non-steroidal anti-inflammatory drugs (NSAIDs), achieving satisfactory analgesia. The presence of arthralgias and myalgias was significantly associated with age and time since the last menstrual period (LMP), being more frequent in patients older than 50 years and those with more than 5 years since the LMP. Conclusion: Approximately 70% of the patients presented arthralgias or myalgias. These findings suggest a possible role of oestrogen withdrawal in its mechanism of development. Multidisciplinary and translational research is crucial to evaluate the ethology and therapeutic options for patients with AI-related arthralgia.

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Background Chikungunya is a mosquito-borne re-emerging disease that has caused a significant number of outbreaks recently in diverse geographic settings across the globe. It leads to severe debilitating illness in a significant proportion of persons who are infected. Measures to limit the impact produced by recurrent outbreaks of the disease are limited and there is an urgent clinical need for early identification of those predisposed to develop severe disease. A comprehensive understanding regarding the proportion of individuals predisposed to developing severe disease is lacking as its correlation with detectable viremia is hinted at by some studies. In this context, we hypothesized that detectable viremia reflected in the diagnostic RT-PCR assay could be significantly associated with the development of severe disease in Chikungunya among those diagnosed on the basis of seroconversion. Our study aims to confirm the same in relation to disease severity among the suspected patients of Chikungunya in the setting of a tertiary care center. Methods In a prospective observational study at a tertiary care center, a total number of 1021 Chikungunya suspects presenting within seven days of illness were screened with Chikungunya Virus IgM ELISA from 2021 to 2023. Those having positive IgM results were further tested with RT-PCR in a blinded manner. According to the information entered into the predesigned form and the hospital follow-up/discharge data, the cases where symptoms like fever and joint pain persisted beyond two weeks were classified as severe versus those resolving within two weeks as mild. The patients in each group were compared for their clinical symptoms and association with the disease severity with detectable viremia (RT-PCR positivity). Results We identified a total of 178 (17.4%) lab-confirmed Chikungunya IgM-positive cases amongst the recruited patients. Here a total of 31 (18.9%) cases could be classified as severe and 133 (74.7%) as mild illness, the remaining 14 patients were excluded from analysis due to insufficient clinical data. Severe illness was significantly higher in elderly individuals belonging to more than 60 years (p = 0.01). Viremia was detected in 16 (9%), those with detectable viremia had higher odds (OR = 4.1) of manifesting as severe disease. Among the severe cases, the proportion of cases with RT-PCR positivity (8, 25.8%) at presentation was significantly higher (P = 0.01) versus those who presented with mild disease (7, 5.5%). Conclusion Our study reveals a correlation between detectable viremia in Chikungunya virus (CHIKV) patients and an increased risk of manifesting into a severe disease, where severe cases exhibited a significantly higher proportion of viremia, indicated by RT-PCR positivity. This study hints at the presence of viremia, joint symptoms, and elderly age as potentially useful clinical predictors of disease outcomes, these may serve as indicators for closer monitoring among individuals seeking medical attention due to Chikungunya infection. However, we need to validate these findings in future longitudinal studies incorporating multiple, time-bound follow-up data on clinical outcomes, viral titers, and its long-term complications.

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Adult-onset Still's disease in older adults is referred to as elderly onset Still's disease (EOSD). Few cases of tocilizumab (TCZ) use for EOSD management have been reported. Here, we report the case of an 87-year-old Japanese woman with EOSD who was not previously taking any medication. She had fatigue, sore throat, and loss of appetite for several days and gradually experienced difficulty walking. On examination, she was found to have a fever and erythema on the buttocks and extremities. Laboratory tests revealed leukocytosis with neutrophil predominance, elevated C-reactive protein (CRP) levels, and hyperferritinemia. A contrast-enhanced computed tomography scan of the chest to the abdomen showed no abnormalities. Antimicrobial therapy was initiated; however, the fever did not resolve. On day seven, 40 mg/day prednisolone (PDN) was started for EOSD in the absence of an obvious infection or a malignancy. On day 20, the fever recurred, and the patient was started on intravenous methylprednisolone (mPDN) half-pulse therapy (500 mg/day for three days). The fever resolved, and the CRP level decreased to 1 mg/dL but did not return to normal. On day 35, the fever recurred; therefore, 320 mg of TCZ was injected intravenously, and the PDN was tapered. On day 43, the patient tested positive for cytomegalovirus (CMV) antigenemia and improved on ganciclovir. On day 70, the patient developed fever, decreased white blood cell (WBC) and hemoglobin (Hb) levels, high lactate dehydrogenase (LDH) levels, hyperferritinemia, and elevated liver enzymes. Macrophage activation syndrome (MAS) was diagnosed due to hemophagocytosis on bone marrow examination. The patient was started on pulse therapy with glucocorticosteroids and cyclosporine. The patient's fever decreased, and her WBC count and LDH level normalized. The patient continued rehabilitation for muscle weakness due to prolonged hospitalization and high-dose steroid use and was discharged from the hospital on day 150. The findings in this case suggest that the use of TCZ during the remission induction phase of EOSD may lead to MAS.

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La artrosis de rodilla grado 1 es un problema frecuente a escala mundial. La fisioterapia se presenta como una alternativa prometedora para el tratamiento conservador de esta patología, ya que reduce eficazmente la artralgia. Objetivo. Describir la eficacia de los ejercicios terapéuticos para aliviar el dolor en la artrosis de rodilla grado I. Metodología. Se trata de una revisión sistemática, que abarcó una búsqueda exhaustiva en varias bases de datos como Pubmed, Scielo y Elsevier. Los criterios de búsqueda incluyeron ensayos de control aleatorios, experimentales y cuasiexperimentales realizados entre los años 2017 y 2023. Resultados. De un total de 82 documentos se excluyeron 40 al ser estudios secundarios. Posteriormente, se excluyeron 21 estudios adicionales debido a la escasa relación entre las variables del estudio y a su falta de disponibilidad. Finalmente, se seleccionaron 21 artículos que cumplieron con los criterios de evaluación de calidad metodológica mediante la escala CRF-QS. Para evaluar el dolor, la rigidez, la funcionalidad y la calidad de vida, se utilizaron escalas como EVA, NPRS, WOMAC y OXFORD. Los ejercicios isocinéticos resultaron ser los más efectivos, ya que demostraron un aumento de la fuerza y el grosor del cartílago articular, lo que resultó en una disminución de las puntuaciones de EVA de 8,05 a 3,75. Conclusión. El ejercicio terapéutico supervisado centrado en el fortalecimiento de las extremidades inferiores ha demostrado ser una alternativa efectiva para el tratamiento conservador de la artrosis de rodilla grado I. Este enfoque alivia eficazmente el dolor, mejora la calidad de vida e incluso puede detener la progresión de la enfermedad.

Grade 1 knee osteoarthritis is a common problem worldwide. Physiotherapy is presented as a promising alternative for the conservative treatment of this pathology, since it effectively reduces arthralgia. Aim. To describe the effectiveness of therapeutic exercises to relieve pain in grade I knee osteoarthritis. Methodology. This is a systematic review, which included an exhaustive search in several databases such as Pubmed, Scielo and Elsevier. Search criteria included randomized, experimental and quasi-experimental control trials conducted between the years 2017 and 2023. Results. Of a total of 82 documents, 40 were excluded as they were secondary studies. Subsequently, 21 additional studies were excluded due to poor relationships between study variables and lack of availability. Finally, 21 articles were selected that met the methodological quality evaluation criteria using the CRF-QS scale. To evaluate pain, stiffness, functionality and quality of life, scales such as VAS, NPRS, WOMAC and OXFORD were used. Isokinetic exercises were found to be the most effective, demonstrating an increase in articular cartilage strength and thickness, resulting in a decrease in VAS scores from 8.05 to 3.75. Conclusion. Supervised therapeutic exercise focused on strengthening the lower extremities has been shown to be an effective alternative to the conservative treatment of grade I knee osteoarthritis. This approach effectively relieves pain, improves quality of life, and may even stop the progression of osteoarthritis. disease.

A osteoartrite do joelho grau 1 é um problema comum em todo o mundo. A fisioterapia apresenta-se como uma alternativa promissora para o tratamento conservador desta patologia, uma vez que reduz eficazmente a artralgia. Mirar. Descrever a eficácia dos exercícios terapêuticos no alívio da dor na osteoartrite de joelho grau I. Metodologia. Trata-se de uma revisão sistemática, que incluiu uma busca exaustiva em diversas bases de dados como Pubmed, Scielo e Elsevier. Os critérios de pesquisa incluíram ensaios de controle randomizados, experimentais e quase-experimentais realizados entre os anos de 2017 e 2023. Resultados. De um total de 82 documentos, 40 foram excluídos por se tratarem de estudos secundários. Posteriormente, 21 estudos adicionais foram excluídos devido às más relações entre as variáveis do estudo e à falta de disponibilidade. Por fim, foram selecionados 21 artigos que atenderam aos critérios de avaliação da qualidade metodológica pela escala CRF-QS. Para avaliar dor, rigidez, funcionalidade e qualidade de vida foram utilizadas escalas como VAS, NPRS, WOMAC e OXFORD. Os exercícios isocinéticos foram considerados os mais eficazes, demonstrando um aumento na força e espessura da cartilagem articular, resultando em uma diminuição nos escores VAS de 8,05 para 3,75. Conclusão. O exercício terapêutico supervisionado focado no fortalecimento das extremidades inferiores tem se mostrado uma alternativa eficaz ao tratamento conservador da osteoartrite do joelho grau I. Esta abordagem alivia eficazmente a dor, melhora a qualidade de vida e pode até interromper a progressão da osteoartrite.

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Osteoarthritis (OA) is the most prevalent arthritis-type and is a major contributor to chronic joint pain, impaired physical function, and limited mobility. By the end of 2020, a total of 595 million, equal to 7·6% of the global population, had OA; this figure is expected to rise exponentially by 2050. Even while the disorder's intricate pathophysiology is starting to appear intelligible, we are yet to have a cure for the disorder. OA is typically managed with traditional palliative measures, such as topical and systemic analgesics, including non-steroidal anti-inflammatory drugs, therapeutic exercise, and braces. Sometimes, intra-articular glucocorticoids, viscosupplementation, or regenerative interventions provide short-term pain relief and functional improvement; some may require arthroplasty. Researchers continue their efforts to unveil a new therapeutic target to be effective in OA that modifies symptoms and arrests disease progression as well. In the present literature review, insights into new therapeutic strategies in OA, for example, liposome-based dexamethasone, microspore-based triamcinolone, nerve growth factor antagonist, anti-ADAMTS-5 (A Disintegrin And Metalloproteinase Thrombospoidin Motifs - 5), pentosan polysulfate sodium, allogeneic stem cells, C-C chemokine receptor type-4 (CCR4) ligand 17 inhibitor, Wnt-signaling inhibitor, and anti-obesity medications are provided.

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We detected Mayaro virus (MAYV) in 3.4% (28/822) of febrile patients tested during 2018-2021 from Roraima State, Brazil. We also isolated MAYV strains and confirmed that these cases were caused by genotype D. Improved surveillance is needed to better determine the burden of MAYV in the Amazon Region.

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Background: Knee osteoarthritis causes physical dysfunction, and its prevalence increases with age. Although clinical studies examined acupoint catgut embedding in patients with knee osteoarthritis, no systematic reviews or meta-analyses have been conducted to date. We aim to comprehensively review the effects of acupoint catgut embedding on knee osteoarthritis. Methods: Eleven databases will be searched from inception to August 1, 2023, without language limitations. Additionally, two registration platforms-ClinicalTrials.gov and the World Health Organization International Clinical Trials Registry-will be searched for ongoing trials. The primary outcomes will be assessed using the Visual Analog Scale and the Western Ontario and McMaster Universities Osteoarthritis Index. Secondary outcomes include the total effective rate, Lysholm Score, and adverse effects. Two reviewers will independently select the studies, extract data, and evaluate the risk of bias and the quality of evidence. Discussion: This systematic review will provide evidence regarding the safety and efficacy of acupoint catgut embedding in patients with knee osteoarthritis.

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This study used ultrasonography to compare the thickness and cross-sectional area of the masticatory muscles in patients with temporomandibular joint arthralgia and investigated the differences according to sex and the co-occurrence of headache attributed to temporomandibular disorders (HATMD). The observational study comprised 100 consecutive patients with TMJ arthralgia (71 females and 29 males; mean age, 40.01 ± 17.67 years) divided into two groups: Group 1, including 86 patients with arthralgia alone (60 females; 41.15 ± 17.65 years); and Group 2, including 14 patients with concurrent arthralgia and HATMD (11 females; 33.00 ± 16.72 years). The diagnosis of TMJ arthralgia was based on the diagnostic criteria for temporomandibular disorders. The parameters of the masticatory muscles examined by ultrasonography were subjected to statistical analysis. The pain area (2.23 ± 1.75 vs. 5.79 ± 2.39, p-value = 0.002) and visual analog scale (VAS) score (3.41 ± 1.82 vs. 5.57 ± 12.14, p-value = 0.002) were significantly higher in Group 2 than in Group 1. Muscle thickness (12.58 ± 4.24 mm) and cross-sectional area (4.46 ± 2.57 cm2) were larger in the masseter muscle than in the other three masticatory muscles (p-value < 0.001). When examining sex-based differences, the thickness and area of the masseter and lower temporalis muscles were significantly larger in males (all p-value < 0.05). The area of the masseter muscle (4.67 ± 2.69 vs. 3.18 ± 0.92, p-value = 0.004) and lower temporalis muscle (3.76 ± 0.95 vs. 3.21 ± 1.02, p-value = 0.049) was significantly smaller in Group 2 than in Group 1. An increase in VAS was significantly negatively correlated with the thickness of the masseter (r = - 0.268) and lower temporalis (r = - 0.215), and the cross-sectional area of the masseter (r = - 0.329) and lower temporalis (r = - 0.293). The masseter and lower temporalis muscles were significantly thinner in females than in males, and their volumes were smaller in patients with TMJ arthralgia and HATMD than in those with TMJ arthralgia alone. HATMD and decreased masseter and lower temporalis muscle volume were associated with increased pain intensity.

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