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OBJECTIVES: Nail unit is one of the targets of ultrasound (US) assessment. We aimed to compare ultrasound parameters of clinically normal nail unit in psoriatic arthritis (PsA) patients with healthy controls (HC) and evaluate their correlations with disease activity. METHODS: This was a cross-sectional study including patients with PsA and matched HC. Tender (TJC) and swollen joint count (SJC), Psoriasis Area and Severity Index (PASI), and Disease Activity in Psoriatic Arthritis (DAPSA) were collected in PsA patients. Patients underwent US assessment of fingernails with a study of morphological changes and measurement of the thickness of nail bed (NBT), nail plate (NPT), and adjacent skin (ST). Correlation between nail unit parameters and disease activity was studied. RESULTS: We evaluated 22 PsA patients (219 nails) and 21 HC (210 nails). Mean DAPSA was 21.56 ± 14.36 and mean PASI was 2.19 ± 3.8. PsA patients had more US morphological changes than HC (16.89 vs 3.33%, P = .03). NPT comparison between identical fingernails of PsA and HC did not reveal significant difference. However, NBT was significantly higher in HC (1.77 vs 2.07 mm, P = .027) as well as ST (2.26 vs 2.59 mm, P = .003). TJC and ST were positively correlated (r = .46, P = .03). No correlation was noted between disease activity scores and NPT, NBT, or ST in PsA patients. In biologic parameters, ESR was negatively correlated with ST (r = -.41, P = .05). CONCLUSIONS: Nail bed and adjacent skin US morphological changes were contributive to distinguish psoriatic from healthy nails. Adjacent skin thickness measurement was positively correlated with TJC and ESR, suggesting that it could be used as an indicator of disease activity in PsA.
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Artrite Psoriásica , Unhas , Índice de Gravidade de Doença , Ultrassonografia , Humanos , Artrite Psoriásica/diagnóstico por imagem , Unhas/diagnóstico por imagem , Masculino , Feminino , Estudos de Casos e Controles , Ultrassonografia/métodos , Estudos Transversais , Pessoa de Meia-Idade , AdultoRESUMO
Introduction: Tuberculosis is still endemic in Tunisia. Among musculoskeletal involvement, spinal tuberculosis (STB) or «Pott's Disease¼ is the most common and can lead to serious neurological complications. The purpose of our study was to focus on STB features (clinical, biological, and radiological) and to identify factors associated with early unfavorable outcomes. Methods: This was a monocentric retrospective study, over a period of 20 years (2000-2020). Only patients treated appropriately were included. Patients' informations were noted. We defined the favorable outcome criterion as weight gain, apyrexia, improvement of the general state, relief of pain, improvement in the classic inflammatory markers (CRP), and absence of vertebral deformities, neurological impairment, or sepsis. The outcome was considered unfavorable otherwise. Results: Our study involved 52 patients. Their average age was 55.21 years±17.79. The average symptom duration was 8.9 months±6.54. Spinal pain was the most common functional sign (90.4%) often inflammatory. Physical signs were dominated by segmental spinal stiffness (71.2%). Spinal magnetic resonance imaging was performed in 38 patients. The disco-vertebral biopsy puncture confirmed the diagnosis in 15 cases. All patients received anti-tuberculosis treatments with an average duration of 10.02±1.97months. The outcome at one month of follow-up was favorable in 32 cases. Poor prognosis factors were normochromic normocytic anaemia (p=0.018), initial lymphocytosis (p=0.048), and fever (p=0.01). However, vertebral fracture at standard X-ray was predictive of favorable outcome (p=0.001). Conclusion: STB is a frequent condition that needs to be treated rapidly. Poor prognosis factors were identified in this study such as normocytic normochromic anemia, initial lymphocytosis, and fever at baseline.
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OBJECTIVES: Parkinson's disease is the second most common neurodegenerative disorder after Alzheimer's disease. It can be responsible for several rheumatological manifestations. AIMS: This article aimed to review and summarize current knowledge on musculoskeletal diseases associated with Parkinson's disease and their management. METHODS: We conducted a narrative review of musculoskeletal features associated with Parkinson's disease. RESULTS: Rheumatological manifestations of Parkinson's disease include postural disorders (antecollis, cervical kyphosis, cervical positive sagittal malalignment, camptocormia, Pisa syndrome, scoliosis), bone disorders (osteoporosis, bone fractures), and joint disorders (frozen shoulder, hand, and foot deformities). Rheumatological manifestations lead to physical disability, long-term pain, and impaired quality of life. However, the management of these manifestations is not yet codified. It can associate botulinum toxin, thoraco-pelvic anterior distraction, orthosis, orthopedic surgical correction, pallidotomy, or deep brain stimulation in patients with camptocormia. Therapeutic management of osteoporosis includes calcium and vitamin D intake and bisphosphonates. CONCLUSION: Rheumatological manifestations are common in Parkinson's disease. Optimal care of patients with Parkinson's disease should include attention to management of postural, bone, and joint disorders since it remains a major cause of functional impairment and disability.
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Osteoporose , Doença de Parkinson , Doenças Reumáticas , Humanos , Doença de Parkinson/complicações , Doença de Parkinson/tratamento farmacológico , Qualidade de Vida , Osteoporose/complicações , Doenças Reumáticas/complicaçõesRESUMO
BACKGROUND: Matrix metalloproteinases, as components of the proteolytic system, are deemed to be implicated in the pathogenesis and progression of several rheumatic diseases. Their role in spondyloarthritis has been investigated by several studies. OBJECTIVE: This article aims to review and summarize the current knowledge related to metalloproteinases in patients with spondyloarthritis. METHODS: To examine the association between matrix metalloproteinases and spondyloarthritis, we conducted a narrative review using a literature search in SCOPUS for English-language sources. The search included studies published from the database inception to December 2020. RESULTS: A total number of 74 articles were included. It was found that levels of matrix metalloproteinases 3 were higher in radiographic axial spondyloarthritis patients and seemed to play a role in the progression of joint damage. The levels of matrix metalloproteinases 1, 2, and 9 were upregulated in psoriatic arthritis patients compared to psoriasis and could identify psoriasis patients who would develop rheumatic manifestations. The levels of matrix metalloproteinases correlated significantly with disease activity in ankylosing spondylitis and decreased upon treatment with Tumor Necrosis Factor inhibitors (TNFi). CONCLUSION: Excessive matrix metalloproteinases activity is associated with articular destruction. Their levels can reflect disease activity, structural damage, and response to TNFi in patients with spondyloarthritis. Nevertheless, further studies are needed to confirm these results.
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Psoríase , Espondilartrite , Humanos , Espondilartrite/patologia , Prognóstico , Biomarcadores , Metaloproteinases da MatrizRESUMO
Background: The clinical screening of enthesitis and synovitis in patients with psoriasis lacks specificity and sensitivity during the preclinical phase. Aims: to assess US subclinical synovitis and enthesitis in psoriatic patients compared with healthy controls. Methods: A cross-sectional study on 40 psoriatic patients and 40 healthy sex- and age-matched controls. US examination of 18 joints was performed along with 22 entheseal sites on the upper and lower limbs. US subscores were established according to the US abnormalities: inflammatory score (tendon thickening, hypoechogenicity, bursitis, Doppler signal), damage score (calcification, enthesophytes, bone erosion) and total score (the sum of inflammatory and damage scores). Results: US synovitis were more frequent in psoriatic patients (0.68%) than in controls (0.29%), but the difference was not significant. Patients with psoriasis had more US enthesitis (92,5%) compared to controls (40%)(p<0.001). The total number of enthesitis was higher in the psoriatic group (20.90%) compared to controls (4,78%)(p<0.001). There were more US abnormalities in the psoriatic group compared to controls for calcaneal tendon enthesis(p<0.001), distal patellar tendon enthesis(p<0.001) and deep flexor tendons of the finger enthesis(p<0.001). Compared to controls, psoriatic patients had a significantly higher inflammatory score (Mean±SD) (2.85±3.34 versus 0.58±1.17), damage score (3±2.57 versus 0.60±1.41), and total score (5.85±5.20 versus 1.18±2.07) (p < 0.001 each). Patients with scalp psoriasis had more US enthesitis (p=0.020). Conclusion: Our results indicate that US enthesitis and synovitis are more frequent in patients with psoriasis. Prospective studies with larger sample size are needed to define the contribution of US in predicting the clinical onset of PsA.
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BACKGROUND: Hip involvement is a life-changing event during spondyloarthritis (SpA) since it's responsible for significant disability and functional impairment. This study aimed to determine the factors associated with hip involvement in patients with SpA. METHODS: This was a retrospective study, including patients with axial and/or peripheral SpA divided into two groups: patients without and with hip involvement. Hip involvement was defined as pain or abnormality on clinical examination of the hip and/or on imaging. We collected clinical and laboratory data, activity and functional scores, and radiographic parameters. We conducted a multivariate analysis to identify the associated factors of hip involvement. RESULTS: We included 165 patients with a mean age of 46.13 ± 13.07 years, 121 patients were male. The mean duration of disease was 10.91 ± 6.94 years. Hip involvement, defined as SpA-related hip pain, joint limitation, and dysfunction and/or imaging involvement (X-ray/MRI), was noted in 60 cases (36.4%). Multivariate analysis indicated that disease duration over 10 years (OR=3.847, 95% confidence interval (CI95%)[1.324-11.178], p=0.013), radiographic sacroiliitis (OR=8.949, CI95%[1.261-63.513], p=0.028), very high disease activity (Ankylosing Spondylitis Disease Activity Score: ASDASCRP≥3,5) (OR=9.364, CI95%[2.552-34.352], p=0.001), higher Bath Ankylosing Spondylitis Functional Index (BASFI) (OR=1.439, CI95%[1.120-1.850], p=0.004) and higher Bath Ankylosing Spondylitis Metrology Index (BASMI) (OR=1.311, CI95%[1.065-1.615], p=0.011) were independently associated with hip involvement in these patients. Regarding extra-articular features, we found that pulmonary involvement and osteoporosis were significantly more frequent in patients with hip involvement, but neither retained significance in multivariate analysis. CONCLUSION: Disease duration over 10 years, radiographic sacroiliitis, very high disease activity, functional impairment, and limited spine mobility were potential associated factors with hip involvement. Patients with these factors should be closely monitored to detect hip involvement at an early stage.
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Sacroileíte , Espondilartrite , Espondilite Anquilosante , Humanos , Masculino , Adulto , Pessoa de Meia-Idade , Feminino , Espondilite Anquilosante/complicações , Estudos Retrospectivos , Sacroileíte/diagnóstico por imagem , Espondilartrite/complicações , Coluna Vertebral , Dor/complicaçõesRESUMO
Sarcoidosis is a systemic inflammatory granulomatous disease that can develop in almost any organ system. Rheumatologists may encounter sarcoidosis in different situations varying from arthralgia to bone involvement. While the peripheral skeleton was a frequent location, data regarding axial involvement is scarce. Most patients with vertebral involvement have a known diagnosis of intrathoracic sarcoidosis. They tend to report mechanical pain or tenderness over the involved area. Imaging modalities, particularly Magnetic Resonance Imaging (MRI), are a mainstay of axial screening. It helps exclude differential diagnoses and delineate the extent of bone involvement. Histological confirmation combined with the ap- propriate clinical and radiological presentation is the key of diagnosis. Corticosteroids remain the cornerstone of treatment. In refractory cases, methotrexate is the steroid- sparing agent of choice. Biologic therapies may be used, although the evidence base for their efficacy is bone sarcoidosis controversial.
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Sarcoidose , Humanos , Sarcoidose/diagnóstico por imagem , Sarcoidose/tratamento farmacológico , Coluna Vertebral , Corticosteroides , Diagnóstico Diferencial , Compostos RadiofarmacêuticosRESUMO
ABSTRACT: Synovitis, acne, pustulosis, hyperostosis, and osteitis (SAPHO) syndrome is a rare chronic disease with marked clinical and radiological heterogeneity. It is characterized by a combination of dermatological and osteoarticular manifestations. The treatment of SAPHO syndrome is not yet codified. It includes several therapeutic options such as anti-inflammatory drugs, bisphosphonates, antibiotics, conventional disease-modifying antirheumatic drugs, and biological treatment.This article aims to provide an updated review of the different pharmacological options for SAPHO syndrome. We also propose a therapeutic algorithm for the management of this disease.
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Acne Vulgar , Síndrome de Hiperostose Adquirida , Hiperostose , Osteíte , Sinovite , Acne Vulgar/diagnóstico , Acne Vulgar/tratamento farmacológico , Síndrome de Hiperostose Adquirida/diagnóstico , Síndrome de Hiperostose Adquirida/tratamento farmacológico , Algoritmos , Humanos , Hiperostose/diagnóstico , Hiperostose/tratamento farmacológico , Hiperostose/etiologia , Osteíte/diagnóstico , Osteíte/tratamento farmacológico , Osteíte/etiologiaRESUMO
INTRODUCTION: Hip involvement in patients with spondyloarthritis is responsible for disability and functional impairment. Its treatment is not codified. Our study aimed to determine the associated factors with moderate and severe hip involvement in spondyloarthritis patients. It also aimed to assess the efficacy of tumour necrosis factor inhibitors (TNFi) on hip disease. METHODS: We conducted a cross-sectional study, including 44 spondyloarthritis patients with hip involvement. Hip involvement was diagnosed based on radiographic findings. We assessed the following parameters: Bath Ankylosing Spondylitis Metrology Index (BASMI), Bath Ankylosing Spondylitis Radiology Index (BASRI), patient global assessment (PGA), and Lequesne index. We compared these parameters and the mean radiographic joint space width between the time of the study to those right before the use of TNFi. RESULTS: Hip involvement was bilateral in 31 patients. The mean age was 44.56±12.21 years. There were 29 men. Severe and moderate involvement (BASRI-hip>3) was reported in 21 hips from 75 affected. These patients were older and had longer diagnosis delays than patients with BASRI- hip<3. They had a higher body mass index and more limited spine mobility (BASMI). Functional hip impairment assessed by the Lequesne index was higher in these patients. TNFi prescribed in 23 patients with hip involvement, led to an improvement in the Lequesne index (12.75 vs 7.5, p: 0.001) and PGA (7 vs 2, p: 0.001). However, the mean joint space width remained unchanged (3.8 vs 3.7mm, p: 0.532). CONCLUSION: Our study showed that higher body mass and Lequesne indexes are associated with moderate and severe hip involvement. TNFi may improve both the Lequesne index and PGA and stabilize the radiological findings.
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Espondilartrite , Espondilite Anquilosante , Adulto , Humanos , Masculino , Pessoa de Meia-Idade , Estudos Transversais , Índice de Gravidade de Doença , Espondilartrite/complicações , Espondilartrite/diagnóstico por imagem , Espondilartrite/tratamento farmacológico , Espondilite Anquilosante/complicações , Espondilite Anquilosante/diagnóstico por imagem , Espondilite Anquilosante/tratamento farmacológico , Inibidores do Fator de Necrose Tumoral/uso terapêutico , Fator de Necrose Tumoral alfaRESUMO
Background: Digital gangrene is a rare but serious complication of systemic lupus erythematosus (SLE). It occurs usually in middle-aged patients with longer disease duration. Case: Herein we report the case of a 56-year-old man (with no history suggestive of Raynaud's phenomenon, diabetes mellitus, smoking, trauma, infection, or chemical exposure), who presented with SLE and digital gangrene was among the first signs. He presented with a one-month history of joint pain, hair loss, photosensitivity, mouth ulcers, malar rash, dyspnea, and digital pain. Physical examination revealed painful and diffuse erythematous skin lesions in the extremities and back, as well as cyanosis in the fingers. We noted lymphocytopenia (600 cells/mm 3), and an elevated C-reactive protein (15.1 mg/l) on laboratory tests. Immunological tests were positive for antinuclear antibodies (ANA) with Title 1:400. Pulmonary computed tomography revealed pulmonary fibrosis, and pulmonary function tests revealed the restrictive pulmonary disease. Diagnosis of SLE with lung involvement was retained. The immunological assessment in search of elements in favor of a vascular origin of the patient's skin lesions was negative. Treatment was initiated with 200 mg/day hydroxychloroquine. For dermal and pulmonary involvement, intravenous (IV) pulse therapy was used with methylprednisolone (1,000 mg/d for three consecutive days monthly) and cyclophosphamide (1 g/month). Calcium blocking agents were also prescribed. However, the lesions did not improve. The patient was given two infusions of rituximab (1 g) at a 14-day interval with a marked improvement ofthe majority of vasculitis lesions, and a partial improvement of dyspnea. Conclusions: Digital gangrene is a rare complication of late-onset SLE, especially as a primary manifestation.
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When faced with a patient with acute myelopathy, thorough investigations should be undertaken to determine the cause. Ankylosing spondylitis should be kept in mind as a possible cause.
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INTRODUCTION: Paget bone disease (PBD) is characterized by a disorder in the bone remodeling activity at sites of involvement. This can produce dramatic alterations of local bone architecture and causes most of the complications. We aimed to focus on the characteristics of complications of PDB among hospitalized patients. MATERIAL AND METHODS: A retrospective study was conducted, on PBD patients hospitalized in two rheumatology centers from 1994 to 2019. Characteristics of the PBD complications were studied. RESULTS: Sixty-nine patients were collected with a sex ratio of 0.76 and a mean age of 75.4±6.4 years [43-101]. The diagnosis of PBD was established in the average age of 64.2±11.5 years. The primary reason for consultation was pain (78.3%). The PBD was localized in the pelvis (58%), lower limb (42%), spine (36.2%), skull (23.2%) and upper limb (5.8%). It was polyostotic in 44.9% of cases. Dosage of ALP was 324 [68-8390]. The PDB complication rate was 52.2% and it decreased over time. The main complication was osteoarthritis (23.2%), followed by deafness (17.4%), fracture (15.9%), hydrocephalus (7.2%), neurological disease (7.2%) and osteosarcoma (1.4%). The presence of complications was significantly associated with the polyostotic form (p=0.01), the skull localization (p=0.04), an increased ALP (p=0.02). CONCLUSION: According to our study, the incidence rate of PBD among hospitalized cases is higher among elderly women and decreases over time. Complications related to PDB are frequent (52%). It concerns patients with a polyostotic form, skull localization and high ALP.
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Osteíte Deformante , Adulto , Idoso , Idoso de 80 Anos ou mais , Feminino , Fraturas Ósseas/epidemiologia , Humanos , Masculino , Pessoa de Meia-Idade , Osteíte Deformante/complicações , Osteíte Deformante/epidemiologia , Estudos RetrospectivosRESUMO
Hypercalcemia in PDB is rare; its occurrence requires thorough investigations as it may reveal several diseases, such as primary hyperparathyroidism, malignant transformation, metastases, or myeloma.
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BACKGROUND: C-reactive protein (CRP) and erythrocyte sedimentation rate (ESR) are routinely used to assess disease activity in spondyloarthritis. New biomarkers have been reported, such as neutrophil to lymphocyte ratio (NLR), platelet to lymphocyte ratio (PLR), CRP to albumin ratio (CAR), and albumin to fibrinogen ratio (AFR). AIMS: Our study aimed to assess these ratios in spondyloarthritis and to determine the relationship between these ratios and the disease activity. METHODS: We conducted a cross-sectional study, including patients with spondyloarthritis. The following ratios were calculated: PLR, NLR, AFR, and CAR. Pearson correlation analysis was carried out to test the correlation of the data. Receiver operating characteristic curves were evaluated for each ratio using ASDASCRP as the gold standard for disease activity. RESULTS: Eighty-five patients were included. The sex ratio was 60 males to 25 females. The mean age was 42.58 ± 11.75 years. There was a positive correlation between the PLR and the following parameters: CAR, CRP, and ESR. A negative correlation was found between AFR and the following ratios: PLR, NLR, CRP, and ESR. The ASDAS correlated negatively with AFR and positively with both PLR and CAR. The cutoff values of CAR and PLR to distinguish patients with very high disease activity (ASDASCRP>3.5) were 0.442 and 173.64, respectively. CONCLUSIONS: Given their good correlation with ESR and CRP, we suggest that PLR, CAR, and AFR can be used as potential indicators of inflammation in spondyloarthritis. The CAR and PLR are useful to identify patients with very high disease activity.
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Espondiloartrite Axial , Adulto , Albuminas , Espondiloartrite Axial/sangue , Plaquetas , Proteína C-Reativa , Estudos Transversais , Feminino , Fibrinogênio , Humanos , Linfócitos , Masculino , Pessoa de Meia-Idade , NeutrófilosRESUMO
The diagnosis of vertebral sarcoidosis can be challenging. Besides, there is no consensus for the treatment of these lesions. Exceptionally, lesions may show spontaneous regression. To our knowledge, there are only two case reports of spontaneous resolution of vertebral sarcoidosis documented by follow-up MRI. Herein, we present a third case.
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Bicipitoradial bursitis should be considered in patients with antecubital mass and painful forearm pronation and supination movement. It can be due to several conditions such as calcium pyrophosphate dihydrate deposition, even in young patients. Ultrasound is useful to confirm the diagnosis, determine the etiology and to guide the treatment of bicipitoradial bursitis.
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Mixed connective tissue disease (MCTD) is characterized by a mixture of clinical features. The initial presentation is often incomplete, and the features of MCTD usually develop as the disease evolves. We present a 37-year-old female patient with overlapping symptoms. The most plausible diagnosis was MCTD.
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Epidural myeloid sarcoma revealing chronic myeloid leukemia is scarce. Herein, we describe a patient that presented with back pain and bilateral sciatica secondary to root compression due to epidural deposition of leukemic cells. The magnetic resonance imaging showed epidural masses, causing a slight restriction of the spinal canal with bilateral L5 root compression. Laboratory examinations showed hyperleukocytosis (white blood cell count: 83 × 109/L, absolute neutrophil count: 60 × 109/L). The bone marrow cytology and immunophenotypic findings confirmed the diagnosis of myeloid leukemia. The diagnosis of spinal myeloid sarcoma revealing chronic myeloid leukemia during the blast phase was established. The patient underwent induction chemotherapy. Then, bone marrow cytology revealed less than 3% of blasts, which correspond to cytological remission. Three months later, MRI showed complete disappearance of the epidural masses. A literature review was conducted by searching PubMed using these terms: "Leukemia, Myeloid" AND "Spine" AND "Sarcoma, Myeloid". We emphasize clinical and radiological findings of spinal myeloid sarcoma. This diagnosis should be considered when the MRI reveals epidural mass lesion. The early management of this disease is necessary, and the treatment of myeloid sarcoma is not codified. Our case highlighted that chemotherapy treatment could be sufficient to lead to the disappearance of myeloid sarcoma and the remission of leukemia.
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Crise Blástica/diagnóstico , Medula Óssea/patologia , Sarcoma Mieloide/diagnóstico , Neoplasias da Coluna Vertebral/diagnóstico , Antineoplásicos/uso terapêutico , Dor nas Costas/etiologia , Crise Blástica/tratamento farmacológico , Humanos , Imageamento por Ressonância Magnética , Masculino , Pessoa de Meia-Idade , Indução de Remissão , Sarcoma Mieloide/tratamento farmacológico , Ciática/etiologia , Neoplasias da Coluna Vertebral/tratamento farmacológicoRESUMO
Management of spondyloarthritis (SpA) in patients with inflammatory bowel disease (IBD) remains a challenging task that requires multidisciplinary collaboration. Separate guidelines for each disease are well-established. However, the management of SpA co-occurring with Crohn's disease (CD) or ulcerative colitis (UC) has hardly been studied. There are few specific reports that focus on this therapeutic area. The main issue is that some therapeutic options used to treat one disease can negatively influence the other disease course. This study aims to evaluate the therapeutic alternatives that would allow for the appropriate management of patients with both SpA and IBD. Key Points ⢠Collaboration between gastroenterologists and rheumatologists is recommended to improve the management of patients with spondyloarthritis (SpA) and inflammatory bowel disease (IBD). ⢠When treating SpA occurring simultaneously with IBD, it would be appropriate to give priority to the active disease. ⢠Considering its well-proven efficacy in both conditions, anti-tumor necrosis factor (TNF) therapy remains the corner stone in the treatment of these patients. ⢠Other therapeutic options such as Janus kinases (JAK) inhibitors, interleukin (IL)-23 and IL-12 inhibitors, and vedolizumab are still under investigation.
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Colite Ulcerativa , Doença de Crohn , Doenças Inflamatórias Intestinais , Espondilartrite , Humanos , Imunossupressores , Doenças Inflamatórias Intestinais/complicações , Doenças Inflamatórias Intestinais/terapia , Espondilartrite/complicações , Espondilartrite/tratamento farmacológicoRESUMO
CONTEXT: Paget's disease of bone is a common bone disease with a striking variation in its incidence and characteristics in different parts of the world. It is uncommonly reported in African patients. AIMS: Given the lack of studies describing the characteristics of patients with Paget's disease of bone in North Africa, we aimed to describe demographic, clinical, biochemical, and imaging characteristics, as well as treatment outcomes of Tunisian patients with Paget's disease of bone. SUBJECTS AND METHODS: This bicentric and retrospective study included patients with Paget's disease of bone. Clinical, laboratory, radiological profile, and response to treatment were analyzed. RESULTS: Sixty-nine patients were identified. The mean age was 64.9 ± 11.6 years and 52.2% were women. One patient reported a positive family history. Seven patients were asymptomatic. Bone pain was the most common presenting symptom. Eight patients had a history of malignancy. In three patients, Paget's disease of bone was diagnosed as part of a metastatic workup. Monostotic disease was found in half of the cases. The most commonly involved sites were pelvis (43.5%), femur (21.7%), and spine (21.7%). The mean serum alkaline phosphatase level at presentation was 591 U/L (68-8380). Two patients received salmon calcitonin (2.8%) and 47 patients (68.1%) received bisphosphonates. After a mean follow-up of 55 months (2-240 months), bone pain improved in 43.1% of patients and the serum alkaline phosphate levels had normalized in 22 of them (43.1%). During follow-up, there was no malignant transformation. CONCLUSIONS: In this series of Tunisian patients, Paget's disease of bone had a female predominance and was usually monostotic. The clinical and radiological presentations were similar to the European series.