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1.
RMD Open ; 10(2)2024 Apr 04.
Artigo em Inglês | MEDLINE | ID: mdl-38580347

RESUMO

BACKGROUND: Systemic sclerosis (SSc) is a chronic autoimmune disease, with impaired immune response, increased fibrosis and endothelial dysfunction. Regulatory T cells (Tregs), which are essential to control inflammation, tissue repair and autoimmunity, have a decreased frequency and impaired function in SSc patients. Low-dose interleukin-2 (IL-2LD) can expand and activate Tregs and has, therefore, a therapeutic potential in SSc. OBJECTIVE: We aimed to assess the safety and biological efficacy of IL-2LD in patients with SSc. METHODS: As part of the TRANSREG open-label phase IIa basket trial in multiple autoimmune diseases, we studied nine patients with SSc without severe organ involvement. Patients received 1 million international units (MIU)/day of IL-2 for 5 days, followed by fortnightly injections for 6 months. Laboratory and clinical evaluations were performed between baseline and month 6. RESULTS: At day 8, the primary endpoint (Treg frequency) was reached with a 1.8±0.5-fold increase of Treg levels among CD4+ T lymphocytes (p=0.0015). There were no significant changes in effector T cells nor in B cells. IL-2LD was well tolerated, and no serious adverse events related to treatment occurred. There was a globally stable measurement in the modified Rodnan skin score and Valentini score at month 6. Disease activity and severity measures, the quality of life evaluated by EuroQL-5D-5L and pulmonary function test parameters remained stable during the study period. CONCLUSION: IL-2LD at a dosage of 1 MIU/day safely and selectively activates and expands Tregs. Clinical signs remain stable during the study period. This opens the door to properly powered phase II efficacy trials investigating IL-2LD therapeutic efficacy in SSc.


Assuntos
Interleucina-2 , Escleroderma Sistêmico , Linfócitos T Reguladores , Humanos , Doenças Autoimunes/tratamento farmacológico , Interleucina-2/efeitos adversos , Interleucina-2/uso terapêutico , Qualidade de Vida , Escleroderma Sistêmico/tratamento farmacológico , Escleroderma Sistêmico/imunologia , Linfócitos T Reguladores/efeitos dos fármacos
2.
Biochimie ; 221: 75-80, 2024 Feb 01.
Artigo em Inglês | MEDLINE | ID: mdl-38307244

RESUMO

Alterations in cell cycle regulation contribute to Zika virus (ZIKV)-associated pathogenesis and may have implications for the development of therapeutic avenues. As a matter of fact, ZIKV alters cell cycle progression at multiple stages, including G1, S, G2, and M phases. During a cell cycle, the progression of mitosis is particularly controlled to avoid any abnormalities in cell division. In this regard, the critical metaphase-anaphase transition is triggered by the activation of anaphase-promoting complex/cyclosome (APC/C) by its E3 ubiquitin ligase subunit Cdc20. Cdc20 recognizes substrates by interacting with a destruction box motif (D-box). Recently, the ZIKV nonstructural protein 5 (NS5), one of the most highly conserved flavivirus proteins, has been shown to localize to the centrosome in each pole and to spindle fibers during mitosis. Inducible expression of NS5 reveals an interaction of this viral factor with centrosomal proteins leading to an increase in the time required to complete mitosis. By analyzing the NS5 sequence, we discovered the presence of a D-box. Taken together, these data support the idea that, in addition to its role in viral replication, NS5 plays a critical role in the control of the cell cycle of infected cells and, more specifically, in the regulation of the mitotic spindle. Here we propose that the NS5 protein may interfere with the metaphase-anaphase progression, and thus cause the observed delay in mitosis via the regulation of APC/C.

3.
Artigo em Inglês | MEDLINE | ID: mdl-37944039

RESUMO

OBJECTIVES: Heart involvement is one of the leading causes of death in systemic sclerosis (SSc). The prevalence of SSc-related cardiac involvement is poorly known. Our objective was to investigate the prevalence and prognosis burden of different heart diseases in a nationwide cohort of patients with SSc. METHODS: We used data from a multicentric prospective study using the French SSc national database. Focusing on SSc-related cardiac involvement, we aimed to determine its incidence and risk factors. RESULTS: Over the 3528 patients with SSc 312 (10.9%) had SSc-related cardiac involvement at baseline. They tended to have a diffuse SSc subtype more frequently, more severe clinical features, and presented more cardiovascular risk factors. From the 1646 patients available for follow-up analysis, SSc-related cardiac involvement was associated with an increased risk of death. There was no significant difference in overall survival between SSc-related cardiac involvement, ischaemic heart disease or pulmonary arterial hypertension. Regarding survival analysis, 98 patients developed SSc-related cardiac involvement at five years (5-year event rate: 11.15%). Regarding reduced LVEF < 50% and left ventricular diastolic dysfunction, the 5-year event rate was 2.49% and 5.84% respectively. Pericarditis cumulative incidence at five years was 3%. Diffuse SSc subtype was a risk factor for SSc-related cardiac involvement and pericarditis. Female sex was associated with less left ventricular diastolic dysfunction incidence. CONCLUSIONS: Our results describe the incidence and prognostic burden of SSc-related cardiac involvement at a large scale, with gender and diffuse SSc subtype as risk factors. Further analyses should assess the potential impact of treatment on these various cardiac outcomes.

4.
J Intern Med ; 2023 Jun 27.
Artigo em Inglês | MEDLINE | ID: mdl-37376708

RESUMO

BACKGROUND: Few studies have evaluated mouth opening (MO) in systemic sclerosis (SSc). None have studied MO trajectories. OBJECTIVE: To study MO trajectories in SSc. METHODS: This multicentre study included patients enrolled in the French national SSc cohort with at least one MO assessment, described patients based on MO baseline measure, modeled MO trajectories, and associated MO measures with SSc prognosis. RESULTS: We included 1101 patients. Baseline MO was associated with disease severity. On Kaplan-Meier analysis, MO < 30 mm was associated with worse 30-year-survival (p<0.01) and risk of pulmonary arterial hypertension (p<0.05). Individual MO trajectories were heterogenous among patients. The best model of MO trajectories according to latent-process mixed modeling showed that 88.8% patients had a stable MO trajectory and clustered patients into 3 groups that predicted SSc survival (p<0.05) and interstitial lung disease (ILD) occurrence (p<0.05). The model highlighted a cluster of 9.5% patients with diffuse cutaneous SSc (dcSSc) (p<0.05) and high but decreasing MO over 1 year (p<0.0001) who were at increased risk of poor survival and ILD. CONCLUSION: MO, which is a simple and reliable measure, could be used to predict disease severity and survival in SSc. Although MO remained stable in most SSc patients, dcSSc patients with high but decreasing MO were at risk of poor survival and ILD. This article is protected by copyright. All rights reserved.

5.
PLoS One ; 18(5): e0285467, 2023.
Artigo em Inglês | MEDLINE | ID: mdl-37224152

RESUMO

This study aimed to describe the health status of children and how social deprivation affects their use of healthcare services and mortality. Children living in mainland France were selected from the national health data system (SNDS) on their date of birth or birthday in 2018 (< 18 years) and followed for one year. Information included data on healthcare reimbursements, long-term chronic diseases (LTDs) eligible for 100% reimbursement, geographic deprivation index (FDep) by quintile (Q5 most disadvantaged), and individual complementary universal insurance (CMUc) status, granted to households with an annual income below the French poverty level. The number of children who had at least one annual visit or hospital admission was compared using the ratio of geographic deprivation (rQ5/Q1) and CMUc (rCMUc/Not) after gender and age-standardization. Over 13 million children were included; 17.5% had CMUc, with an increase across quintiles (rQ5/Q1 = 3.5) and 4.0% a LTD (rQ5/Q1 = 1.44). The 10 most frequent LTDs (6 psychiatric) were more common as the deprivation increased. Visits to general practitioners (GPs) were similar (≈84%) for each FDep quintile and the density of GPs similar. The density decreased with increasing deprivation for specialists and visits: paediatricians (rQ5/Q1 = 0.46) and psychiatrists (rQ5/Q1 = 0.26). Dentist visits also decreased (rQ5/Q1 = 0.86) and deprived children were more often hospitalised for dental caries (rQ5/Q1 = 2.17, 2.1% vs 0.7%). Emergency department (ED) visits increased with deprivation (rCMUc/Not = 1.35, 30% vs 22%) but 50% of CMUc children lived in a municipality with an ED vs. 25% without. Approximately 9% of children were admitted for a short stay and 4.5% for a stay > 1 night (rQ5/Q1 = 1.44). Psychiatric hospitalization was more frequent for children with CMUc (rCMUc/Not = 3.5, 0.7% vs 0.2%). Higher mortality was observed for deprived children < 18 years (rQ5/Q1 = 1.59). Our results show a lower use of pediatricians, other specialists, and dentists among deprived children that may be due, in part, to an insufficient supply of care in their area of residence. These results have been used to recommend optimization and specifically adapted individual or area-wide policies on the use of healthcare services, their density, and activities.


Assuntos
Cárie Dentária , Humanos , Criança , Serviços de Saúde , Privação Social , Cobertura do Seguro , Atenção à Saúde
6.
Arthritis Rheumatol ; 75(3): 459-467, 2023 03.
Artigo em Inglês | MEDLINE | ID: mdl-36066501

RESUMO

OBJECTIVE: To determine whether a single session of botulinum toxin type A (BTA) injections into both hands more effectively decreases the frequency of systemic sclerosis-associated Raynaud's phenomenon (SSc-RP) episodes than placebo. METHODS: This multicenter, randomized, double-blind, placebo-controlled, parallel-group phase III trial in patients with SSc-RP assessed the effect of 50-unit BTA or placebo injections into the palms of both hands around each neurovascular bundle during 1 session in winter. The primary end point was the between-group difference in the median change in the number of RP episodes from baseline (day 0) to 4 weeks postinjection. Values between the groups were compared with the Wilcoxon rank-sum test. RESULTS: The intent-to-treat analysis included 46 BTA-treated patients and 44 placebo recipients. At 4 weeks after assigned treatment injections, the median number of daily RP episodes decreased comparably in the BTA and placebo groups (median change -1 episode/day [interquartile range (IQR) -1.5, 0 episodes/day] and -1 episode/day [IQR -2.5, 0 episodes/day], respectively) (P = 0.77 versus placebo). Moreover, change in Raynaud's Condition Score, quality of life assessed by Health Assessment Questionnaire disability index, and hand function assessed by shortened Disabilities of the Arm, Shoulder, and Hand (QuickDASH) and Cochin Hand Function Scale from baseline to follow-up weeks 4, 12, and 24 did not differ significantly between groups. The BTA group experienced transient hand muscle weakness significantly more frequently (P = 0.003). CONCLUSION: Neither the primary nor secondary end points were reached, and our results do not support any beneficial effect of palmar BTA injections to treat SSc-RP.


Assuntos
Toxinas Botulínicas Tipo A , Doença de Raynaud , Escleroderma Sistêmico , Humanos , Adulto , Qualidade de Vida , Escleroderma Sistêmico/complicações , Escleroderma Sistêmico/tratamento farmacológico , Toxinas Botulínicas Tipo A/uso terapêutico , Mãos , Doença de Raynaud/tratamento farmacológico , Doença de Raynaud/etiologia
9.
Front Med (Lausanne) ; 9: 878970, 2022.
Artigo em Inglês | MEDLINE | ID: mdl-35872796

RESUMO

Objective: Ischemic digital ulcers (DUs) are frequent and severe complications of systemic sclerosis (SSc). Treatment options for SSc-related digital vasculopathy are based on aggressive vasodilation, with the objective to improve blood flow in ischemic areas. Intravenous prostanoids are recommended to treat active DUs. However, the level of evidence for the duration of 5 days is low. Therefore, the aim of this study was to determine whether prolonging the infusion beyond 5 days increases the rate of healing of active DUs in SSc. Methods: This is an observational longitudinal retrospective bicenter study from 2000 to 2017. The objective was to compare the healing rate and time (defined by a healing of at least 50% of DUs) between two durations of iloprost administration: 5 days or less, or more than 5 days. Results: Forty-one patients, with a mean age of 47 ± 15 years at diagnosis and 32 (78%) females have been included. Systemic sclerosis was diffuse in 10 (24%) cases and 13 (32%) had an interstitial lung disease. A total of 243 iloprost infusions for DUs were performed: 140 infusions for 5 days or less, and 103 infusions for more than 5 days (prolonged duration). Patients with active DUs which received >5 days of iloprost had higher modified Rodnan skin scale at the time of iloprost infusion (median 33 vs. 15; p < 0.05), more interstitial lung disease (44 vs. 27%; p < 0.05), more anti-topoisomerase I antibody positivity (59 vs. 44%; p < 0.05), and received more previous cyclophosphamide therapy (48 vs. 19%; p < 0.05). While the number of active DUs before iloprost infusion was not significantly different among those who received ≤5 days and >5 days of iloprost, the time to healing after iloprost infusion significantly decreased in SSc patients who received >5 days iloprost infusion: 48 [7-392] vs. 91 [9-365] days (p < 0.05). The proportion of SSc patients with healed DUs tended to increase in patients with >5 days iloprost infusion (log rank = 0.06). The number of patients with complete DU healing at day 90 was significantly increased in SSc who received >5 days of iloprost: 53 (51%) vs. 52 (37%) (p < 0.05). In addition, the time to healing was not significantly associated with the use of calcium channel blockers, endothelin receptor antagonists or a combination of PDE-5 inhibitors. Conclusion: Prolonging duration of iloprost >5 days could improve the healing rate and the time to healing of SSc-related DUs. Prospective randomized studies are needed to confirm these data and define the optimal duration of iloprost therapy.

10.
Med Care ; 60(9): 655-664, 2022 09 01.
Artigo em Inglês | MEDLINE | ID: mdl-35880776

RESUMO

BACKGROUND: Identifying the most frequently treated and the costliest health conditions is essential for prioritizing actions to improve the resilience of health systems. OBJECTIVES: Healthcare Expenditures and Conditions Mapping describes the annual economic burden of 58 health conditions to prepare the French Social Security Funding Act and the Public Health Act. DESIGN: Annual cross-sectional study (2015-2019) based on the French national health database. SUBJECTS: National health insurance beneficiaries (97% of the French residents). MEASURES: All individual health care expenditures reimbursed by the national health insurance were attributed to 58 health conditions (treated diseases, chronic treatments, and episodes of care) identified by using algorithms based on available medical information (diagnosis coded during hospital stays, long-term diseases, and specific drugs). RESULTS: In 2019, €167.0 billion were reimbursed to 66.3 million people (52% women, median age: 42 y). The most prevalent treated diseases were diabetes (6.0%), chronic respiratory diseases (5.5%), and coronary diseases (3.2%). Coronary diseases accounted for 4.6% of expenditures, neurotic and mood disorders 3.7%, psychotic disorders 2.8%, and breast cancer 2.1%. Between 2015 and 2019, the expenditures increased primarily for diabetes (+€906 million) and neurotic and mood disorders (+€861 million) due to the growing number of patients. "Active lung cancer" (+€797 million) represented the highest relative increase (+54%) due to expenditures for the expensive drugs and medical devices delivered at hospital. CONCLUSIONS: These results have provided policy-makers, evaluators, and public health specialists with key insights into identifying health priorities and a better understanding of trends in health care expenditures in France.


Assuntos
Diabetes Mellitus , Gastos em Saúde , Adulto , Efeitos Psicossociais da Doença , Estudos Transversais , Diabetes Mellitus/terapia , Feminino , Estresse Financeiro , França , Humanos , Masculino , Programas Nacionais de Saúde , Saúde Pública , Previdência Social
11.
Clin Exp Immunol ; 209(2): 175-181, 2022 08 19.
Artigo em Inglês | MEDLINE | ID: mdl-35758259

RESUMO

Systemic sclerosis (SSc) is an autoimmune disease characterized by fibrosis, microangiopathy, and autoantibodies. We previously reported that circulating follicular helper T (cTfh) cells are increased in SSc and induce plasmablast differentiation. However, mechanisms leading to cTfh cell expansion and activation in SSc remain to be established. Tfh cells require IL-12 for their expansion and differentiation. 6-Sulfo LacNAc monocytes (slanMo), a subset of monocytes, have a higher capacity to produce IL-12 and to induce CD4+ T cell proliferation in comparison with dendritic cells (DC) or classical monocytes. The aim of this study was to perform a quantitative and functional analysis of monocytes and DC and to correlate them with cTfh cell expansion and clinical manifestations in SSc. Using flow cytometry, we analyzed different monocyte subsets including slanMo and DC from 36 SSc patients and 26 healthy controls (HC). In vitro culture experiments of sorted slanMo were performed for functional analysis and cytokine production. We observed that slanMo, intermediate and non-classical monocytes were increased in SSc in comparison with HC. Furthermore, the increase in slanMo cells was more potent in patients with diffuse SSc. We observed a significant positive correlation between slanMo and cTfh cell levels in SSc patients but not in HC. Other monocyte subsets did not correlate with cTfh cell expansion. In addition, we observed that in vitro, slanMo cells from SSc patients produced less IL-12 than slanMo from HC. SlanMo are increased in SSc and may participate in the activation of cTfh cells in SSc.


Assuntos
Monócitos , Escleroderma Sistêmico , Hormônios , Humanos , Interleucina-12 , Monócitos/imunologia , Linfócitos T Auxiliares-Indutores/imunologia
12.
J Child Adolesc Psychopharmacol ; 32(6): 312-327, 2022 08.
Artigo em Inglês | MEDLINE | ID: mdl-35613381

RESUMO

Objectives: While long-lasting antipsychotics (LLA) were specifically developed to address the problem of adherence in patients with chronic psychiatric disorders, their role in pediatric populations is not clear. Methods: To document the efficacy, tolerance, and acceptance of LLAs in children and adolescents, a literature search was conducted using several databases for published studies (PubMed, PsycINFO) from January 1965 to December 2020. Twenty-two studies were identified (16 case reports/series, 3 open label studies, 2 controlled studies, and 1 retrospective analysis of national database). Results: Demographic features were widely heterogeneous across studies (total N = 480, 58% male, mean age = 15.0 ± 1.8). Case reports/series presented positive therapeutic outcomes in noncompliant youths with severe mental illness. Three open-label one-arm studies supported the clinical efficacy of risperidone long-acting injection in patients previously stabilized with oral risperidone. One study showed lower clinical symptoms and higher functioning at 12 months in youths treated for an acute psychotic episode with paliperidone palmitate compared to oral risperidone. The types and rates of side effects of LLA were comparable to those observed for oral antipsychotics. Two studies suggested better metabolic and neurological tolerance of LLA compared to an oral form. Preliminary evidence supported a satisfactory level of treatment satisfaction in patients treated with LLA and their families, while concerns were raised regarding practical administration in outpatient services. However, the average quality of the evidence based on the RoB2 tool was low. Conclusions: The level of evidence was low for the efficacy of LLA in pediatric populations and very low for the tolerance and acceptance. It concerned mostly the effect of risperidone long-acting injection in adolescents with psychotic disorders. Randomized maintenance clinical trials using noninferiority analysis would be more appropriate for further research.


Assuntos
Antipsicóticos , Transtornos Psicóticos , Esquizofrenia , Adolescente , Antipsicóticos/efeitos adversos , Criança , Preparações de Ação Retardada/uso terapêutico , Feminino , Humanos , Masculino , Palmitato de Paliperidona/uso terapêutico , Transtornos Psicóticos/tratamento farmacológico , Estudos Retrospectivos , Risperidona/efeitos adversos , Esquizofrenia/tratamento farmacológico
13.
Ocul Immunol Inflamm ; 30(2): 500-505, 2022 Feb 17.
Artigo em Inglês | MEDLINE | ID: mdl-32965148

RESUMO

INTRODUCTION: To describe the efficacy of tocilizumab in patients with Graves' orbitopathy resistant or dependent to steroids and compare to rituximab treated patients. PATIENTS AND METHODS: Graves's orbitopathy response was considered as decrease of at least 2 points of the CAS. RESULTS: Twenty-one patients were included, 7 patients were treated with tocilizumab and 14 with rituximab. The primary was achieved in all 7 patients (100%) on tocilizumab and 9 out of 14 patients on (64%) rituximab (p = .17). Mean change in CAS was consistent with a decrease of 3.3 ± 0.5 points in patients on tocilizumab versus 2.5 ± 1.9 in patients on rituximab (p = .07). One patient on tocilizumab (14%) and 4 patients (29%) on rituximab experienced significant relapse during the follow-up. The difference in relapse-free survival was not significant in patients on tocilizumab (10.8 ± 4 months) compared with rituximab (17.88 ± 3.66). CONCLUSION: We showed a significant improvement in the CAS, visual acuity, diplopia, and proptosis with both tocilizumab and rituximab.


Assuntos
Oftalmopatia de Graves , Anticorpos Monoclonais Humanizados , Oftalmopatia de Graves/tratamento farmacológico , Humanos , Fatores Imunológicos/uso terapêutico , Rituximab/uso terapêutico , Esteroides
14.
Clin Exp Rheumatol ; 39 Suppl 131(4): 20-24, 2021.
Artigo em Inglês | MEDLINE | ID: mdl-34323682

RESUMO

OBJECTIVES: Systemic sclerosis (SSc) is an autoimmune disease with fibrosis, microangiopathy and immune dysfunction. B cell abnormalities characterised by autoantibody production and polyclonal B cell activation play an important role in the pathogenesis of SSc. We previously identified an expansion of functional and activated circulating T follicular helper (cTfh) cells in SSc patients. The aim of this study was to analyse the frequency of regulatory B (Breg) cell subsets and the correlation with Tfh in SSc patients. METHODS: Circulating Breg cells CD24hiCD38hi and CD27+CD24hi levels and cTfh cells CD4+CXCR5+PD1+ were determined by cytometry in 50 SSc patients and 32 healthy subjects. RESULTS: The frequency of Breg cells CD24hiCD38hi and CD24hiCD27+ was significantly reduced in patients with SSc as compared to controls (p=0.02 and p<0.001, respectively). In contrast, when examining the CD21low B cell subset, the frequency was significantly increased in SSc patients compared to healthy controls, (p<0.001). There was no difference in Breg cell levels in patients with diffuse SSc and limited SSc. However, CD24hiCD27+ Breg cell frequency was significantly decreased in SSc patients with pulmonary arterial hypertension (p=0.014), but not in patients with interstitial lung disease (p=0.058). Furthermore, we observed a negative correlation between cTfh and CD24hiCD27+ Breg cell levels in SSc patients but not in healthy controls (p=0.02). CONCLUSIONS: These results suggest that Breg cell subsets may participate in the regulation of cTfh and disease severity. Decreased CD24hiCD27+ Breg cell frequency may contribute to the development of SSc.


Assuntos
Linfócitos B Reguladores , Escleroderma Sistêmico , Humanos , Ativação Linfocitária , Receptores CXCR5 , Células T Auxiliares Foliculares , Linfócitos T Auxiliares-Indutores
15.
Front Psychiatry ; 12: 527569, 2021.
Artigo em Inglês | MEDLINE | ID: mdl-33643084

RESUMO

While behavioral problems are the main reasons for adolescents to be referred to an emergency room for mental health problems, their clinical management remain usually heterogenous, poorly standardized, and associated with a low level of patient and family satisfaction. So far, most attention has been paid to the treatment of agitation, and few insights have been provided on the treatment plan of behavioral problems once the crisis is over and a psychiatric or medical condition ruled out. This perspective article represents an attempt to incorporate multiple theoretical approaches to provide a comprehensive and operational model for the management of adolescents with behavioral problems in an emergency department. Short hypothetical case vignettes illustrate the importance of considering several levels of analysis to understand the adolescent's problematic behavior which can be seen as a symptom of a medical/psychiatric condition (medical model), as a maladaptive strategy in a context of vulnerability (developmental model), and finally as a mode of communication in a context of ill-adapted relational patterns (systemic model). As behavioral problems in adolescence are a complex issue, frequently involving the intervention of professionals from various disciplines, being aware of such different levels of understanding could help to preclude any role confusion and to provide better targeted interventions.

16.
Clin Rheumatol ; 40(9): 3679-3686, 2021 Sep.
Artigo em Inglês | MEDLINE | ID: mdl-33674989

RESUMO

OBJECTIVE: Systemic sclerosis (SSc) is a connective tissue disease characterized by microangiopathy. Peripheral arterial disease, increasingly studied during SSc, is responsible for digital ulcers, associated with a high risk of amputation. The aim of our study was to assess the frequency of lower limb arterial impairment in SSc patients by measuring ankle-brachial index (ABI), toe pressure (TP), and toe-brachial index (TBI). METHODS: Systemic sclerosis patients were included prospectively during 1 year in Tenon and Saint-Antoine Hospitals, Paris. Clinical and biological data were recorded. For each patient, ABI, TP, and TBI were measured and an arterial duplex ultrasonography was prescribed in case of abnormal results. RESULTS: Eighty-six patients were included (94% women, median age 62 years). Only 24% of them had no lower limb hemodynamic vascular abnormalities; 44% had an isolated microvascular abnormality (normal ABI and TBI<0.75); 31% had at least a macrovascular injury associated or not with microvascular impairment (abnormal ABI) and 12.6% had a TP<50 mmHg. During follow-up, there was a trend towards association of low TBI with more major adverse event (all-cause mortality, non-fatal stroke, non-fatal myocardial infarction, and lower limb ischemic manifestations) than normal TBI. CONCLUSION: By measuring ABI and TP, we showed that 76% of SSc patients had hemodynamic arterial lower limb abnormalities related to macro- and/or microvascular impairment and that 28% had vascular stiffness. In SSc patients, ABI is not an accurate tool to detect lower limb arterial disease, likely due to underlying micro- and macrovascular changes. Key Points • The presence of lower limb macro-and/or microvascular involvement was detected in 76% of SSc patients. • In SSc patients, ABI is not an accurate tool to detect lower limb arterial disease, likely due to underlying microvascular changes and frequent arterial stiffness.


Assuntos
Doença Arterial Periférica , Escleroderma Sistêmico , Rigidez Vascular , Feminino , Humanos , Extremidade Inferior , Masculino , Pessoa de Meia-Idade , Doença Arterial Periférica/complicações , Valor Preditivo dos Testes , Estudos Prospectivos , Escleroderma Sistêmico/complicações
18.
J Autoimmun ; 116: 102577, 2021 01.
Artigo em Inglês | MEDLINE | ID: mdl-33248866

RESUMO

OBJECTIVE: To report the efficacy of rituximab plus belimumab in patients with refractory cryoglobulinemia vasculitis (CV). METHODS: Belimumab was administered intravenously at a dose of 10 mg/kg on days 0, 14, 28 and then every month in association with rituximab in 4 patients with refractory CV. Demographic, clinical and laboratory characteristics, treatment modalities and outcomes were recorded. RESULTS: All patients had type II IgM Kappa cryoglobulinemia, which was associated with primary Sjögren syndrome (n = 1), hepatitis C virus infection (n = 1), and essential (n = 2). Main manifestations of CV included purpura (n = 4), arthralgia and peripheral neuropathy (n = 3), and glomerulonephritis and skin ulcers (n = 1). In all cases, CV was refractory and/or relapse following rituximab. Intravenous belimumab infusion along with rituximab resulted in rapid clinical response in the four patients. Osteitis and recurrent urinary tract infections occurred in two patients. CONCLUSION: Belimumab along with rituximab showed promising results in refractory patients with CV.


Assuntos
Anticorpos Monoclonais Humanizados/uso terapêutico , Crioglobulinemia/tratamento farmacológico , Rituximab/uso terapêutico , Vasculite/tratamento farmacológico , Idoso , Anticorpos Monoclonais Humanizados/administração & dosagem , Crioglobulinemia/imunologia , Crioglobulinemia/patologia , Quimioterapia Combinada , Feminino , Humanos , Fatores Imunológicos/administração & dosagem , Fatores Imunológicos/uso terapêutico , Imunossupressores/administração & dosagem , Imunossupressores/uso terapêutico , Projetos Piloto , Indução de Remissão , Rituximab/administração & dosagem , Fatores de Tempo , Resultado do Tratamento , Vasculite/imunologia , Vasculite/patologia
19.
Lupus ; 30(3): 473-477, 2021 Mar.
Artigo em Inglês | MEDLINE | ID: mdl-33292039

RESUMO

INTRODUCTION: Kikuchi-Fujimoto disease (KFD) is a self-limited histiocytic necrotizing lymphadenitis sometimes affecting the skin. "Kikuchi disease-like inflammatory pattern" (KLIP) has been described in cutaneous lesions as similar pathological features in patients without lymph node involvement and as a potential clue for the diagnosis of lupus. We aimed to describe KLIP-associated clinical and immunological features in lupus patients with a retrospective case-control study. METHODS: Thirteen cases of KLIP were included as well as thirty-nine age- and sex-matched control lupus patients without KLIP. At the time of KLIP diagnosis, 4/13 patients (31%) had isolated cutaneous lupus erythematosus (CLE) and 9/13 had (69%) systemic lupus erythematosus (SLE) including 6 (46%) with severe haematological, lung, cardiac or renal disease. KLIP features were observed in skin biopsies of different clinical presentations. RESULTS: Compared with our control group, KLIP patients more frequently had SLE 9/13 (69%) versus 8/39 (21%) (OR 12.9; IC95% [2.86-58.2]; p = 0.0004) and more frequently severe SLE. Two out of four CLE exhibiting KLIP lesions (50%) developed severe SLE with cardiac or renal involvement after 12 and 24 months, respectively.Treatment with thalidomide 100 mg/day allowed rapid and complete clearance of cutaneous lesions in 6/6 KLIP patients. The need to use thalidomide tended to be more frequent in KLIP patients than in controls. CONCLUSION: Our study suggests that KLIP features in lupus skin lesions are associated with SLE and severe systemic features. Despite a limited number of isolated CLE patients with KLIP features in the skin, this observation may warrant closer follow-up on patients with a higher risk of developing SLE.


Assuntos
Linfadenite Histiocítica Necrosante/patologia , Lúpus Eritematoso Sistêmico/patologia , Adulto , Estudos de Casos e Controles , Feminino , Linfadenite Histiocítica Necrosante/complicações , Humanos , Lúpus Eritematoso Sistêmico/complicações , Linfonodos/patologia , Masculino , Pessoa de Meia-Idade , Índice de Gravidade de Doença , Pele/patologia
20.
BMC Psychiatry ; 20(1): 525, 2020 11 04.
Artigo em Inglês | MEDLINE | ID: mdl-33148207

RESUMO

BACKGROUND: Borderline personality disorder (BPD) and history of prior suicide attempt (SA) have been shown to be high predictors for subsequent suicide. However, no previous study has examined how both factors interact to modify clinical and suicide severity among adolescents. METHODS: This study presents a comprehensive assessment of 302 adolescents (265 girls, mean age = 14.7 years) hospitalized after a SA. To test clinical interactions between BPD and history of prior SA, the sample was divided into single attempters without BPD (non-BPD-SA, N = 80), single attempters with BPD (BPD-SA, N = 127) and multiple attempters with BPD (BPD-MA, N = 95). RESULTS: Univariate analyses revealed a severity gradient among the 3 groups with an additive effect of BPD on the clinical and suicide severity already conferred by a history of SA. This gradient encompassed categorical (anxiety and conduct disorders and non-suicidal-self-injury [NSSI]) and dimensional comorbidities (substance use and depression severity) and suicide characteristics (age at first SA). According to regression analyses, the BPD-MA group that was associated with the most severe clinical presentation also showed specific features: the first SA at a younger age and a higher prevalence of non-suicidal self-injury (NSSI) and anxiety disorders. The BPD-MA group was not associated with higher impulsivity or frequency of negative life events. CONCLUSIONS: Based on these findings and to improve youth suicide prevention, future studies should systematically consider BPD and the efficacy of reinforcing early interventions for anxiety disorders and NSSI.


Assuntos
Adolescente Hospitalizado , Transtorno da Personalidade Borderline , Comportamento Autodestrutivo , Adolescente , Transtornos de Ansiedade/epidemiologia , Transtorno da Personalidade Borderline/epidemiologia , Feminino , Humanos , Comportamento Autodestrutivo/epidemiologia , Tentativa de Suicídio
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