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1.
Rheumatology (Oxford) ; 60(2): 658-666, 2021 02 01.
Artículo en Inglés | MEDLINE | ID: mdl-32594174

RESUMEN

OBJECTIVES: To assess whether the presence of arthritis autoantibodies alongside IgG ACPA predicts clinically suspect arthralgia in ACPA-positive subjects without RA. METHODS: In the population-based Lifelines cohort (n = 40 136), 308 IgG ACPA-positive individuals without RA were present. Serum levels of IgA ACPA, IgA and IgM RF, and IgG anti-carbamylated antibodies were measured at baseline. Individuals were divided based on the Connective tissue disease Screening Questionnaire after 2 years follow-up. Antibodies to Porphyromonas gingivalis were determined at baseline and related to presence of periodontitis and joint complaints at 2 years follow-up. RESULTS: Of 308 subjects 53.6% were also seropositive for IgA ACPA, 42.2% for IgM RF, 23.7% for IgA RF and 13.6% for anti-carbamylated antibodies. We defined 75 persons with clinically suspect arthralgia at risk for RA based on CTD Screening Questionnaire at follow-up. Significantly more seropositivity for IgM RF and higher levels of IgG ACPA, IgA ACPA and IgM RF were found in clinically suspect arthralgia compared with no-clinically suspect arthralgia. In multivariate logistic regression correcting for age, gender and never smoking, positivity for three or more extra autoantibodies was significantly associated with clinically suspect arthralgia. Although levels of anti-P. gingivalis were not different between groups, they were significantly correlated to levels of both RFs, and both ACPAs in clinically suspect arthralgia. CONCLUSIONS: ACPA-positive individuals without RA who develop clinically suspect arthralgia have more and higher levels of other arthritis autoantibodies at baseline. Levels of anti-P. gingivalis are not related to self-reported periodontitis or clinically suspect arthralgia, but are correlated to arthritis autoantibodies in clinically suspect arthralgia.


Asunto(s)
Anticuerpos Antiproteína Citrulinada/sangre , Anticuerpos Antiidiotipos/sangre , Artritis/inmunología , Vigilancia de la Población , Factor Reumatoide/sangre , Adulto , Artritis/sangre , Artritis/epidemiología , Artritis Reumatoide , Biomarcadores/sangre , Femenino , Estudios de Seguimiento , Humanos , Inmunoglobulina G/inmunología , Inmunoglobulina M/inmunología , Incidencia , Masculino , Persona de Mediana Edad , Países Bajos/epidemiología , Estudios Prospectivos
2.
Pneumologie ; 75(2): 88-112, 2021 Feb.
Artículo en Alemán | MEDLINE | ID: mdl-33450783

RESUMEN

Since December 2019, the novel coronavirus SARS-CoV-2 (Severe Acute Respiratory Syndrome - Corona Virus-2) has been spreading rapidly in the sense of a global pandemic. This poses significant challenges for clinicians and hospitals and is placing unprecedented strain on the healthcare systems of many countries. The majority of patients with Coronavirus Disease 2019 (COVID-19) present with only mild symptoms such as cough and fever. However, about 6 % require hospitalization. Early clarification of whether inpatient and, if necessary, intensive care treatment is medically appropriate and desired by the patient is of particular importance in the pandemic. Acute hypoxemic respiratory insufficiency with dyspnea and high respiratory rate (> 30/min) usually leads to admission to the intensive care unit. Often, bilateral pulmonary infiltrates/consolidations or even pulmonary emboli are already found on imaging. As the disease progresses, some of these patients develop acute respiratory distress syndrome (ARDS). Mortality reduction of available drug therapy in severe COVID-19 disease has only been demonstrated for dexamethasone in randomized controlled trials. The main goal of supportive therapy is to ensure adequate oxygenation. In this regard, invasive ventilation and repeated prone positioning are important elements in the treatment of severely hypoxemic COVID-19 patients. Strict adherence to basic hygiene, including hand hygiene, and the correct wearing of adequate personal protective equipment are essential when handling patients. Medically necessary actions on patients that could result in aerosol formation should be performed with extreme care and preparation.


Asunto(s)
COVID-19 , Síndrome de Dificultad Respiratoria , Humanos , Pacientes Internos , Pandemias , Guías de Práctica Clínica como Asunto , SARS-CoV-2
3.
Oral Dis ; 25(6): 1423-1434, 2019 Sep.
Artículo en Inglés | MEDLINE | ID: mdl-31206910

RESUMEN

OBJECTIVE: Rheumatoid arthritis (RA) and periodontitis share several pathological features including bone and soft tissue destruction and high levels of circulating inflammatory proteins. Studies related to cytokines in the periodontal inflammatory exudate (gingivocrevicular fluid, GCF) of RA patients might provide insight into the association between periodontitis and RA. The aim of our study was to review the literature on cytokines in GCF of RA patients including the effect of anti-rheumatic treatment with biological disease-modifying anti-rheumatic drugs (DMARDs) and periodontal treatment on these cytokines. MATERIALS AND METHODS: MedLine/PubMed searches with different combinations of keywords "rheumatoid arthritis or RA" and "crevicular fluid or GCF" until June 2019 revealed 64 articles. Ten cross-sectional observational studies and nine treatment studies fulfilled the inclusion criteria. RESULTS: Rheumatoid arthritis patients have increased circulating and GCF levels of pro-inflammatory cytokines and proteins, despite anti-rheumatic treatment with biological DMARDs. Presence of periodontitis was accompanied by higher cytokine and protein levels. Treatment of periodontitis resulted in a decrease of these levels. CONCLUSION: Analysis of GCF of RA patients reveals that the relationship between periodontitis and RA is bidirectional, probably caused by a non-specific inflammatory burden. Data for a specific relationship are barely present in GCF.


Asunto(s)
Artritis Reumatoide/inmunología , Citocinas/análisis , Líquido del Surco Gingival/inmunología , Periodontitis , Artritis Reumatoide/sangre , Citocinas/sangre , Humanos , Periodontitis/complicaciones
4.
Z Rheumatol ; 78(7): 660-669, 2019 Sep.
Artículo en Alemán | MEDLINE | ID: mdl-31165251

RESUMEN

BACKGROUND/OBJECTIVE: The majority of patients in Germany miss out on the necessity of early diagnosis and initiation of therapy for rheumatoid arthritis (RA) caused by considerable structural deficits in the health care system. The challenge is to reconcile the individual demand for the best possible therapy result with a sustainable expenditure of resources. METHODS: The cross-sectoral regional care network ADAPTHERA aims to improve early RA diagnosis and treatment in Rhineland-Palatinate. The retrospective triage analyses of suspected early onset RA patients was performed by tracing the selection process of all available enquiries (n = 1045). For analysis of the clinical course of the disease, a subset comprising 143 patients with a minimum observation time of 12 months (5 consecutive visits) was available. Clinical and laboratory parameters were collected quarter yearly, self-administered questionnaires were filled out and the treatment was adapted if necessary. RESULTS: A total of 454 patients were included. The mean waiting time was 23.9 (SD = 18) days. The mean observation period in the subcohort was 29.2 (SD = 12.7) months, with about 50% of the patients presenting within 3 months. Almost 75% of the patients were in remission after 2 years. A sustained remission could be described for 74.8% (6 months) and 53.5% (12 months), respectively. Especially patients with rapid remission induction benefited in terms of longer remissions (p = 0.03). A very early stage of the disease (VERA) was associated with a rarely necessary biologic therapy (p = 0.022). DISCUSSION: The approach of a supply network is not a panacea, but it might improve healthcare for patients with early onset RA. In order to minimize resource utilization, a pinpoint referral and accurate triage of potential cases are crucial.


Asunto(s)
Antirreumáticos , Artritis Reumatoide , Antirreumáticos/uso terapéutico , Artritis Reumatoide/diagnóstico , Artritis Reumatoide/tratamiento farmacológico , Prestación Integrada de Atención de Salud , Alemania , Humanos , Inducción de Remisión , Estudios Retrospectivos , Resultado del Tratamiento
5.
Lupus ; 27(2): 243-256, 2018 Feb.
Artículo en Inglés | MEDLINE | ID: mdl-28659046

RESUMEN

B-cell activating factor of the tumour necrosis factor family (BAFF) is a cytokine, mainly produced by hematopoietic cells (e.g. monocytes/macrophages, dendritic cells), indispensable for B-cell maturation. The BLISS studies have demonstrated that blocking BAFF by the human monoclonal antibody belimumab is a valuable therapeutic approach in patients with clinically and serologically active systemic lupus erythematosus (SLE). However, the defined sources of BAFF, which contributes to SLE, are still unclear. Recent findings show that BAFF expression is not restricted to myeloid cells. Since lupus nephritis is the main cause of morbidity and mortality for SLE patients, the aim of this study was to investigate whether renal tubular epithelial cells (TEC) are an important source of BAFF and thus may contribute to the pathogenesis and progression of SLE. We found BAFF expression both in cultured murine and human TEC. These results could be verified with in situ data from the kidney. Moreover, BAFF expression in the kidneys of lupus-prone MRL- Faslpr mice correlated with disease activity, and BAFF expression on TEC in biopsies of patients with diffuse proliferative lupus nephritis showed a correlation with the histopathological activity index. In vitro functional assays revealed an autocrine loop of BAFF with its binding receptors on TEC, resulting in a strong induction of colony stimulating factor-1. Finally, we identified divergent effects of BAFF on TEC depending on the surrounding milieu ('inflammatory versus non-inflammatory'). Taken together, our findings indicate that renal-derived BAFF may play an important role in the pathophysiology of the systemic autoimmune disease SLE.


Asunto(s)
Factor Activador de Células B/efectos de los fármacos , Células Epiteliales/metabolismo , Riñón/citología , Lupus Eritematoso Sistémico/tratamiento farmacológico , Nefritis Lúpica/patología , Animales , Anticuerpos Monoclonales Humanizados/administración & dosificación , Anticuerpos Monoclonales Humanizados/farmacología , Factor Activador de Células B/metabolismo , Linfocitos B/inmunología , Citocinas/metabolismo , Femenino , Humanos , Inmunosupresores/farmacología , Riñón/patología , Enfermedades Renales/patología , Lupus Eritematoso Sistémico/fisiopatología , Nefritis Lúpica/mortalidad , Masculino , Ratones , Receptores de Factor Estimulante de Colonias de Granulocitos y Macrófagos , Estudios Retrospectivos , Índice de Severidad de la Enfermedad , Factor de Necrosis Tumoral alfa/metabolismo
6.
J Clin Periodontol ; 44(6): 577-584, 2017 Jun.
Artículo en Inglés | MEDLINE | ID: mdl-28370244

RESUMEN

AIM: To determine the presence of citrullinated histones in inflamed periodontal tissue and to determine the presence of anti-citrullinated histone autoantibodies in sera from patients with rheumatoid arthritis (RA) and periodontitis (PD) patients. METHODS: The presence of citrullinated histone H3, PAD4 and CD68 was determined in 15 periodontal tissue biopsies from PD patients by immunohistochemistry. Sera from 36 healthy controls (HC), 113 PD patients and 84 patients with RA were assessed on presence of autoantibodies against citrullinated histones by Western blot and against citrullinated histone H3 by ELISA. RESULTS: Citrullinated histone H3, PAD4 and CD68 were present in periodontal tissue from nine (60%), 14 (93%) and 13 (87%) PD patients, respectively. Anti-citrullinated histone H3 autoantibodies were found in 33 (39%) patients with RA compared to three (8%) HC and 11 (10%) PD patients. Anti-citrullinated histone H3 levels were higher in anti-cyclic citrullinated peptide (anti-CCP)-positive compared to anti-CCP-negative patients with RA (p = .0008) and correlated moderately with anti-CCP levels (ρ = .22). No associations were found between anti-citrullinated histone H3 levels and periodontal status or smoking behaviour of patients with RA. CONCLUSION: PD patients are exposed to citrullinated histone H3 in inflamed periodontal tissue. Citrullinated histone H3 is targeted by autoantibodies present in RA sera. This supports a role for periodontitis in generation of antigens targeted by autoantibodies directed against citrullinated proteins.


Asunto(s)
Artritis Reumatoide/inmunología , Autoanticuerpos/inmunología , Histonas/inmunología , Periodontitis/inmunología , Adulto , Anticuerpos Antiproteína Citrulinada/sangre , Anticuerpos Antiproteína Citrulinada/inmunología , Antígenos CD , Antígenos de Diferenciación Mielomonocítica , Artritis Reumatoide/sangre , Autoanticuerpos/sangre , Biopsia , Ensayo de Inmunoadsorción Enzimática , Femenino , Histonas/sangre , Humanos , Masculino , Persona de Mediana Edad , Neutrófilos , Periodontitis/patología , Arginina Deiminasa Proteína-Tipo 4 , Desiminasas de la Arginina Proteica , Fumar
7.
J Neurosci Res ; 94(4): 297-309, 2016 Apr.
Artículo en Inglés | MEDLINE | ID: mdl-26748947

RESUMEN

Neuroelectrophysiological properties have been used in human heroin addiction studies. These studies vary in their approach, experimental conditions, paradigms, and outcomes. However, it is essential to integrate previous findings and experimental methods for a better demonstration of current issues and challenges in designing such studies. This Review examines methodologies and experimental conditions of neuroelectrophysiological research among heroin addicts during withdrawal, abstinence, and methadone maintenance treatment and presents the findings. The results show decrements in attentional processing and dysfunctions in brain response inhibition as well as brain activity abnormalities induced by chronic heroin abuse. Chronic heroin addiction causes increased ß and α2 power activity, latency of P300 and P600, and diminished P300 and P600 amplitude. Findings confirm that electroencephalography (EEG) band power and coherence are associated with craving indices and heroin abuse history. First symptoms of withdrawal can be seen in high-frequency EEG bands, and the severity of these symptoms is associated with brain functional connectivity. EEG spectral changes and event-related potential (ERP) properties have been shown to be associated with abstinence length and tend to normalize within 3-6 months of abstinence. From the conflicting criteria and confounding effects in neuroelectrophysiological studies, the authors suggest a comprehensive longitudinal study with a multimethod approach for monitoring EEG and ERP attributes of heroin addicts from early stages of withdrawal until long-term abstinence to control the confounding effects, such as nicotine abuse and other comorbid and premorbid conditions.


Asunto(s)
Encéfalo/fisiopatología , Electrofisiología/métodos , Dependencia de Heroína/fisiopatología , Síndrome de Abstinencia a Sustancias/fisiopatología , Electroencefalografía/métodos , Potenciales Evocados/fisiología , Humanos
8.
Z Rheumatol ; 75(10): 999-1005, 2016 Dec.
Artículo en Alemán | MEDLINE | ID: mdl-27535273

RESUMEN

The aim of the rheumatology network ADAPTHERA ("risk-adapted rheumatology therapy") is to achieve a comprehensive improvement in rheumatology care by coordinating treatment in a regional, trans-sectoral network. Accompanying biomedical research projects, training concepts, and the construction of a rheumatology register (gathering data and biomaterials) should furthermore ensure the stable and sustainable optimisation of care. In the pilot phase (2012-2015) the focus of the ADAPTHERA network, required as a "regional key project" within the framework of the Initiative on Health Economy of Rheinland-Palatinate (RL-P), Germany, was placed on the optimisation of the early diagnosis of rheumatoid arthritis, where it is well-known that there is a significant care deficit.Through the intensive, stable, and coordinated cooperation of all health care partners in the field of rheumatology (registered general practitioners and orthopaedic specialists, registered core rheumatologists as well as the Association of Rheumatology of RL-P) a unique regional, comprehensive offer with verifiable care optimisation has been established in RL-P. The network is supported by outstanding collaboration with the Association of Statutory Health Insurance Physicians and the self-help organisation Rheumatology League.The aims that were established at the start of the project will be achieved by the end of the pilot phase:- significant improvement in the early diagnosis of rheumatoid arthritis (an average of 23.7 days until diagnosis by rheumatologists)- access covering all health insurance (regardless of the particular scheme the patients belong to)- comprehensive (verifiable participation of general practitioners from all over RL-P)- data and biomaterials collection, established as a basis for biomarker research, and a rheumatology register for RL-P.


Asunto(s)
Prestación Integrada de Atención de Salud/organización & administración , Programas Nacionales de Salud/organización & administración , Programas Médicos Regionales/organización & administración , Enfermedades Reumáticas/diagnóstico , Enfermedades Reumáticas/terapia , Reumatología/organización & administración , Atención a la Salud/organización & administración , Humanos , Modelos Organizacionales , Sistema de Registros
9.
J Nutr Health Aging ; 28(5): 100210, 2024 May.
Artículo en Inglés | MEDLINE | ID: mdl-38489994

RESUMEN

Masticatory function is associated with a variety of health outcomes. The aim of this systematic review is to clarify the predictive value of masticatory function for adverse health outcomes, such as frailty, sarcopenia and malnutrition, in older adults. An online literature search covered articles published in English or Dutch in three databases (PubMed, Embase and CINAHL, last searched November 4th 2022). Inclusion criteria were: an observational study design, focus on adults aged ≥65 years and evaluation of the association between masticatory function and health outcomes. Reviews and articles published before the year 2000 were excluded. Methodological quality and risk of bias were assessed using the Quality Assessment Tool for Observational Cohort and Cross-Sectional Studies of the U.S. National Institutes of Health. Study population demographics, methods for assessing masticatory function, and the association between masticatory function and adverse health outcomes were extracted. From the 34 included studies, 5 studies had a prospective design, 2 had a retrospective design, and the other 27 studies had cross-sectional design. The majority of the studies were conducted in Japan (74%, n = 26). Twenty studies (59%) used one indicator for masticatory function, the other 41% used two (n = 9) or more (n = 5) indicators. Masticatory function was most frequently assessed with the maximum occlusal force (MOF) (79%, n = 27). The identified health outcomes were clustered into 6 categories: physical parameters and sarcopenia, history of falling, nutritional status, frailty, cognitive function and mortality. Despite the complex and multidimensional character of both masticatory function and most identified adverse health outcomes, some significant associations were reported. Prospective studies showed that reduced masticatory function in older adults is associated with incidence of frailty and frailty progression, cognitive decline and all-cause mortality. Regarding the other identified adverse health outcomes, i.e., physical measures and sarcopenia, history of falling and nutritional status, only cross-sectional studies were available and results were less concordant. As all prospective studies showed that reduced masticatory function in older adults is associated with adverse health outcomes, prevention of decline of masticatory function by adequate oral care may contribute to healthy ageing.


Asunto(s)
Fragilidad , Masticación , Sarcopenia , Humanos , Masticación/fisiología , Anciano , Desnutrición/epidemiología , Anciano de 80 o más Años , Evaluación Geriátrica/métodos , Femenino , Masculino , Valor Predictivo de las Pruebas , Estudios Transversales , Estado Nutricional
10.
Curr Opin Rheumatol ; 25(2): 241-7, 2013 Mar.
Artículo en Inglés | MEDLINE | ID: mdl-23370377

RESUMEN

PURPOSE OF REVIEW: This article reviews the link between periodontitis and rheumatoid arthritis (RA) with regard to similarities in genetic risk factors and immunopathogenesis. Emphasis is paid to the potential role of the periodontal pathogen Porphyromonas gingivalis in the etiopathogenesis of both periodontitis and RA, in particular by post-translational modification of arginine into citrulline. RECENT FINDINGS: P. gingivalis, a major periodontal pathogen, is presently known as the only bacterium in the oral flora which contains a peptidyl arginine deiminase enzyme (PAD). This enzyme is necessary for citrullination. As a result, citrullinated proteins and P. gingivalis PAD, PAD2 and PAD4 (expressed by infiltrating neutrophils) are found in periodontal tissues. Autoantibodies directed to citrullinated proteins, so-called anticitrullinated protein antibodies (ACPAs), are found to be present in gingival crevicular fluid originating from inflamed gingival tissue. Furthermore, treatment studies have revealed that nonsurgical periodontal treatment, that is removal of sub-gingival calculus and biofilm deposits, is accompanied by a reduction in the severity of RA. SUMMARY: In this study the similarities in immune response and tissue degradation between RA and periodontitis are reviewed. It is shown that the two diseases share the same environmental and genetic risk factors, apart from the fact that there is a link between both diseases via citrullination of proteins by human PAD and P. gingivalis PAD.


Asunto(s)
Artritis Reumatoide/etiología , Periodontitis/etiología , Artritis Reumatoide/epidemiología , Artritis Reumatoide/inmunología , Infecciones por Bacteroidaceae/complicaciones , Citrulina/metabolismo , Humanos , Hidrolasas/metabolismo , Inmunidad Innata , Periodontitis/epidemiología , Periodontitis/inmunología , Porphyromonas gingivalis/inmunología , Porphyromonas gingivalis/metabolismo , Porphyromonas gingivalis/patogenicidad , Arginina Deiminasa Proteína-Tipo 2 , Desiminasas de la Arginina Proteica , Factores de Riesgo
11.
J Neurooncol ; 112(2): 217-22, 2013 Apr.
Artículo en Inglés | MEDLINE | ID: mdl-23344787

RESUMEN

The most frequent primary brain tumors, anaplastic astrocytomas (AA) and glioblastomas (GBM): tend to invasion of the surrounding brain. Histopathological studies found malignant cells in macroscopically unsuspicious brain parenchyma remote from the primary tumor, even affecting the contralateral hemisphere. In early stages, diffuse interneural infiltration with changes of the apparent diffusion coefficient (ADC) and fractional anisotropy (FA) is suspected. The purpose of this study was to investigate the value of DTI as a possible instrument of depicting evidence of tumor invasion into the corpus callosum (CC). Preoperatively, 31 patients with high-grade brain tumors (8 AA and 23 GBM) were examined by MRI at 3 T, applying a high-resolution diffusion tensor imaging (DTI) sequence. ADC- and FA-values were analyzed in the tumor-associated area of the CC as identified by fiber tracking, and were compared to matched healthy controls. In (MR-)morphologically normal appearing CC the ADC values were elevated in the tumor patients (n = 22; 0.978 × 10(-3) mm²/s) compared to matched controls (0.917 × 10(-3) mm²/s, p < 0.05), and the corresponding relative FA was reduced (rFA: 88 %, p < 0.01). The effect was pronounced in case of affection of the CC visible on MRI (n = 9; 0.978 × 10(-3) mm²/s, p < 0.05; rFA: 72 %, p < 0.01). Changes in diffusivity and anisotropy in the CC can be interpreted as an indicator of tumor spread into the contralateral hemisphere not visible on conventional MRI.


Asunto(s)
Neoplasias Encefálicas/patología , Cuerpo Calloso/patología , Imagen de Difusión por Resonancia Magnética , Imagen de Difusión Tensora , Glioma/patología , Adulto , Anciano , Anisotropía , Neoplasias Encefálicas/mortalidad , Neoplasias Encefálicas/cirugía , Estudios de Casos y Controles , Cuerpo Calloso/cirugía , Detección Precoz del Cáncer , Femenino , Estudios de Seguimiento , Glioma/mortalidad , Glioma/cirugía , Humanos , Procesamiento de Imagen Asistido por Computador , Masculino , Persona de Mediana Edad , Clasificación del Tumor , Pronóstico , Tasa de Supervivencia , Adulto Joven
12.
Klin Padiatr ; 225(6): 347-9, 2013 Nov.
Artículo en Inglés | MEDLINE | ID: mdl-24166086

RESUMEN

We report on a case of Pseudomonas aeruginosa sepsis and consecutive lung abscess in a 13-year-old patient with acute B-cell leukemia. At first, radiographic findings strongly suggested presence of pulmonary aspergilloma and only microbiological testing of the surgically enucleated mass revealed the correct underlying pathogen and confirmed final diagnosis.


Asunto(s)
Leucemia de Células B/diagnóstico , Absceso Pulmonar/diagnóstico , Micetoma/diagnóstico , Infecciones Oportunistas/diagnóstico , Infecciones por Pseudomonas/diagnóstico , Pseudomonas aeruginosa , Aspergilosis Pulmonar/diagnóstico , Adolescente , Diagnóstico Diferencial , Humanos , Pulmón/patología , Pulmón/cirugía , Absceso Pulmonar/patología , Absceso Pulmonar/cirugía , Masculino , Infecciones Oportunistas/patología , Infecciones Oportunistas/cirugía , Tomografía Computarizada por Rayos X
13.
Scand J Immunol ; 76(3): 320-8, 2012 Sep.
Artículo en Inglés | MEDLINE | ID: mdl-22670785

RESUMEN

Peripheral immunoregulation depends on T regulatory cell trafficking into the allograft to modulate the local alloresponse. Little is known about the relevance of trafficking receptors for Tregs after solid organ transplantation in humans. In this study, expression of the peripheral chemokine receptors CXCR3 and CCR5 on CD4⁺ FOXP3⁺ Treg cells was analysed and correlated with allograft function in renal transplant recipients. Flow cytometry analysis of peripheral blood mononuclear cells of 54 renal transplant recipients receiving a calcineurin inhibitor-based immunosuppression was performed for CD4, CD25, FOXP3, CXCR3 and CCR5 within the first 18 months post-transplantation. Correlation analysis of chemokine receptor expression and glomerular filtration rate as calculated by MDRD (eGFR) was performed. Expression of the peripheral homing receptors CXCR3 (r = 0.44, P < 0.05) and CCR5 (r = 0.45, P < 0.05) on FOXP3⁺ Tregs correlated with renal allograft function (eGFR) in patients receiving tacrolimus (n = 28), but not cyclosporine A (CsA) (n = 26). CsA but not tacrolimus reduced surface expression of CXCR3 on FOXP3⁺ Tregs in renal transplant recipients as correlated to trough levels (r = -0.42, P < 0.05). In contrast to CD4⁺ CXCR3⁺ CD25(lo) T cells, flow-sorted CD4⁺ CXCR3⁺ CD25(hi) Tregs isolated from healthy individuals did not produce IFNγ or IL-17 ex vivo and expressed high levels of GARP mRNA both at baseline as well as after TCR activation indicating functional regulatory activity. Expression of the peripheral trafficking receptors CXCR3 and CCR5 on FOXP3⁺ Tregs is associated with renal allograft function. These results suggest that Treg trafficking may also depend on the interaction of CXCR3 or CCR5 and their respective ligands.


Asunto(s)
Rechazo de Injerto/inmunología , Trasplante de Riñón/inmunología , Subgrupos de Linfocitos T/inmunología , Linfocitos T Reguladores/inmunología , Antígenos CD4/biosíntesis , Antígenos CD4/inmunología , Quimiotaxis de Leucocito , Femenino , Citometría de Flujo , Factores de Transcripción Forkhead/biosíntesis , Factores de Transcripción Forkhead/inmunología , Tasa de Filtración Glomerular , Rechazo de Injerto/tratamiento farmacológico , Humanos , Inmunosupresores/uso terapéutico , Masculino , Persona de Mediana Edad , Fenotipo , Reacción en Cadena en Tiempo Real de la Polimerasa , Receptores CXCR3/biosíntesis , Receptores CXCR3/inmunología , Subgrupos de Linfocitos T/efectos de los fármacos , Subgrupos de Linfocitos T/metabolismo , Linfocitos T Reguladores/efectos de los fármacos , Linfocitos T Reguladores/metabolismo , Trasplante Homólogo
14.
Front Oral Health ; 3: 904711, 2022.
Artículo en Inglés | MEDLINE | ID: mdl-35784663

RESUMEN

Introduction: The relation between rheumatoid arthritis (RA) and periodontitis (PD) has been investigated ever since the discovery of the citrullinating enzyme peptidyl arginine deaminase presents in the oral bacterium Porphyromonas gingivalis. Recently, we demonstrated the presence of RA autoantibodies, especially of IgA anti-citrullinated protein antibody (ACPA), in gingival crevicular fluid (GCF) of Indonesian patients with and without RA or PD which might indicate the local formation of RA antibodies in the periodontium. Aim: The purpose of this study was to assess whether the subgingival microbiome is related to the presence of IgA ACPA in the GCF of healthy individuals with or without PD. Patients and Methods: Healthy individuals with a known periodontal status and high IgA ACPA (>0.1 U/ml) in GCF (n = 27) were selected and matched for age, gender, periodontal status, and smoking status with 27 healthy individuals without IgA ACPA in their GCF. Taxonomic profiling of the subgingival microbiome was based on bacterial 16S rRNA gene sequencing. Downstream analyses were performed to assess compositional differences between healthy subjects with or without IgA ACPA in GCF and with or without PD. Results: Between groups with or without PD, or with or without IgA ACPA in GCF, no differences in alpha diversity were seen. Beta diversity was different between groups with or without PD (p < 0.0001), and a trend was seen in subjects with PD between subjects with or without IgA ACPA in GCF (p = 0.084). Linear discriminant analysis effect size (LEfSe) revealed no significant differences in the total population between subjects with IgA ACPA compared to subjects without IgA ACPA in GCF. Although Porphyromonas was not identified by LEfSe, its relative abundance was significantly higher in healthy individuals with high IgA ACPA in GCF compared to individuals without IgA ACPA in GCF (p = 0.0363). Zooming in on the subgroup with PD, LEfSe revealed that species Neisseriaceae, Tannerella, and Haemophilus were more abundant in the subjects with IgA ACPA in GCF compared to subjects without IgA ACPA in GCF. Conclusion: Periodontitis and certain taxa, including Porphyromonas, seem to be associated with the local presence of ACPA in the periodontium.

15.
J Am Dent Assoc ; 152(10): 855-864, 2021 Oct.
Artículo en Inglés | MEDLINE | ID: mdl-34392937

RESUMEN

BACKGROUND: Many frail older adults have an unhealthy dentition; unrestorable broken teeth and root remnants with open root canals, commonly accompanied by periapical and periodontal inflammation, are often seen. Improving oral health in the growing group of frail older adults with remaining teeth is a considerable challenge for dental care professionals. Dentists are often uncertain how to deal with root remnants and unrestorable broken teeth in frail older adults. METHODS: The authors aim was to provide recommendations to dentists to help in their clinical decision making about the extraction or retention of roots remnants and broken teeth in frail older adults. CONCLUSIONS: Decisions about the extraction or retention of root remnants should made on the basis of preventing pain and oral discomfort, preventing severe inflammation, and preventing additional decline in oral health. Both root-related and patient-related factors are considered. PRACTICAL IMPLICATIONS: Decision-making trees can help dentists decide whether to extract root remnants and unrestorable broken teeth in frail older adults.


Asunto(s)
Anciano Frágil , Salud Bucal , Anciano , Humanos
16.
Artículo en Inglés | MEDLINE | ID: mdl-33806304

RESUMEN

Periodontitis, a bacterial-induced infection of the supporting soft and hard tissues of the teeth (the periodontium), is common in patients with rheumatoid arthritis (RA). As RA and periodontitis underlie common inflammatory pathways, targeting the progression of RA might mediate both periodontitis and RA. On the other hand, patients with RA on immunosuppressive medication have an increased risk of infection. Therefore, the objective of this longitudinal observation study was to assess the effect of methotrexate (MTX) and anti-tumor necrosis factor-α (anti-TNF, etanercept) treatment on the periodontal condition of RA patients. Overall, 14 dentate treatment-naive RA patients starting with MTX and 12 dentate RA patients starting with anti-TNF therapy in addition to MTX were included. Follow-up was scheduled matching the routine protocol for the respective treatments. Prior to the anti-rheumatic treatment with MTX or the anti-TNF therapy in addition to MTX, and during follow-up, i.e., 2 months for MTX, and 3 and 6 months for the anti-TNF therapy in addition to MTX, the periodontal inflamed surface area (PISA) was measured. The efficacy of the anti-rheumatic treatment was assessed by determining the change in RA disease activity (DAS28-ESR). Furthermore, the erythrocyte sedimentation rates were determined and the levels of C-reactive protein, IgM-rheumatoid factor, anti-cyclic citrullinated protein antibodies, and antibodies to the periodontal pathogen Porphyromonas gingivalis, were measured. Subgingival sampling and microbiological characterization of the subgingival microflora was done at baseline. MTX or anti-TNF treatment did not result in an improvement of the periodontal condition, while both treatments significantly improved DAS28 scores (both p < 0.01), and reduced C-reactive protein levels and erythrocyte sedimentation rates (both p < 0.05). It is concluded that anti-rheumatic treatment (MTX and anti-TNF) has negligible influence on the periodontal condition of RA patients.


Asunto(s)
Antirreumáticos , Artritis Reumatoide , Antirreumáticos/uso terapéutico , Artritis Reumatoide/tratamiento farmacológico , Etanercept/uso terapéutico , Humanos , Estudios Longitudinales , Metotrexato/uso terapéutico , Resultado del Tratamiento , Factor de Necrosis Tumoral alfa/uso terapéutico
17.
Artículo en Inglés | MEDLINE | ID: mdl-34574484

RESUMEN

A particular role for Porphyromonas gingivalis (Pg) and Aggregatibacter actinomycetemcomitans (Aa) has been suggested in periodontitis and rheumatoid arthritis (RA), as these bacteria could initiate the formation of rheumatoid factor (RF) and anticitrullinated protein autoantibodies (ACPA). We assessed whether serum antibodies against Pg and Aa in RA patients and non-RA controls reflect the subgingival presence of Pg and Aa, and evaluated the relationship of these antibodies to the severity of periodontal inflammation and RA-specific serum autoantibodies. In 70 Indonesian RA patients and 70 non-RA controls, the subgingival presence of Pg and Aa was assessed by bacterial 16S rRNA gene sequencing, and serum IgG levels specific for Pg and Aa were determined. In parallel, serum levels of ACPA (ACPA:IgG,IgA) and RF (RF:IgM,IgA) were measured. The extent of periodontal inflammation was assessed by the periodontal inflamed surface area. In both RA patients and the controls, the presence of subgingival Pg and Aa was comparable, anti-Pg and anti-Aa antibody levels were associated with the subgingival presence of Pg and Aa, and anti-Pg did not correlate with ACPA or RF levels. The subgingival Pg and Aa were not related to RA. No noteworthy correlation was detected between the antibodies against Pg and Aa, and RA-specific autoantibodies.


Asunto(s)
Artritis Reumatoide , Factor Reumatoide , Autoanticuerpos , Humanos , Porphyromonas gingivalis , ARN Ribosómico 16S/genética
18.
PLoS One ; 16(4): e0249342, 2021.
Artículo en Inglés | MEDLINE | ID: mdl-33793644

RESUMEN

BACKGROUND: ADVanced Organ Support (ADVOS) is a novel type of extracorporeal albumin dialysis and holds promise to sustain liver function and recovery of patients with acute-on-chronic liver failure (ACLF). Previously, ADVOS was tested as continuous treatment for intensive care patients with liver failure. Data related to the applicability and safety as discontinuous treatment outside of ICU is not available. AIM: Evaluation of ADVOS as discontinuous treatment for patients with ACLF outside intensive care unit and comparison with a matched historic cohort. METHODS AND RESULTS: In this retrospective study, 26 patients with ACLF and the indication for renal replacement therapy related to HRS-AKI were included. Majority of patients were male (65%) with alcoholic cirrhosis in 88% and infections as a trigger of ACLF in 96%. Liver function was severely compromised reflected by high median MELD and CLIF-C ACLF scores of 37 (IQR 32;40) and 56.5 (IQR 51;60), respectively. Patients were treated discontinuously with ADVOS over a median time of 12 days (IQR 8.25;17) and received 8 (IQR 4.25;9.75) treatment cycles on average. No treatment related adverse events were recorded, and safety laboratory parameters remained constant during the observation time. After 16 h cumulative dialysis therapy, ADVOS significantly reduced protein-bound bilirubin (14%), creatinine (11.8%) and blood urea nitrogen (BUN, 33%). Using a matched cohort with ACLF treated with hemodialysis, ADVOS achieved a stronger decrease in bilirubin (p = 0.01), while detoxification of water-soluble catabolites' including creatinine and BUN was comparable. The 28-days mortality in the ADVOS group was 56% (14/26) and was not inferior to predicted survival (predicted median 28-days mortality was 44%, IQR 30; 59). CONCLUSION: Discontinuous ADVOS treatment was safe and effective in patients with ACLF outside intensive care and outperformed hemodialysis in reducing protein-bound metabolites.


Asunto(s)
Insuficiencia Hepática Crónica Agudizada/terapia , Terapia de Reemplazo Renal , Insuficiencia Hepática Crónica Agudizada/etiología , Insuficiencia Hepática Crónica Agudizada/mortalidad , Insuficiencia Hepática Crónica Agudizada/patología , Bilirrubina/sangre , Nitrógeno de la Urea Sanguínea , Creatinina/sangre , Cuidados Críticos , Femenino , Humanos , Cirrosis Hepática Alcohólica/complicaciones , Masculino , Persona de Mediana Edad , Cooperación del Paciente , Diálisis Renal , Estudios Retrospectivos , Índice de Severidad de la Enfermedad , Análisis de Supervivencia
19.
Med Sci Monit ; 16(2): RA25-36, 2010 Feb.
Artículo en Inglés | MEDLINE | ID: mdl-20110929

RESUMEN

UNLABELLED: In 1999, a new self-report outcome measure, the Functional Rating Index (FRI), was developed and tested. This measure demonstrated reasonable reliability, validity and responsiveness. Since the publication of the original testing, numerous independent research teams have examined the psychometric qualities of the FRI and published their findings. The aim of this study is to review the psychometric properties of the FRI as reported by published studies. Researchers independently searched the literature for relevant studies using MEDLINE and Index to Chiropractic Literature from January 2001 to August 2009. Descriptive and outcome data was extracted using standardized forms. The psychometric properties of the FRI were analyzed with established criteria and compared head-to-head with other outcome measures. The search yielded ten studies that provided psychometric data. Reliability: Test-retest: Intraclass correlation coefficient and Cronbach's alpha were good, and FRI is equivalent to the other measures. VALIDITY: the FRI has good convergent validity with pain and function self-report scales and a weaker correlation with items that measure different constructs. Responsiveness: FRI was similar to the comparative measures for standardized response mean, effect size and receiver operating curve statistics. Patient acceptability: time required by the patient and staff averaged 78 seconds per administration, and there were few missing responses. The FRI demonstrates favorable measurement properties of reliability, validity and responsiveness. It provides an alternative to other self-report measures, because it is quicker for a patient to complete and can be used for patients with neck and back pain.


Asunto(s)
Evaluación de Resultado en la Atención de Salud , Humanos , Aceptación de la Atención de Salud , Psicometría , Curva ROC , Reproducibilidad de los Resultados
20.
J Am Osteopath Assoc ; 120(3): 153-163, 2020 Mar 01.
Artículo en Inglés | MEDLINE | ID: mdl-32091559

RESUMEN

CONTEXT: Osteopathic manipulative medicine (OMM) is recognized as an adjunctive medical approach for the treatment of pediatric patients, but few studies have detailed the pediatric conditions that prompt the use of osteopathic manipulative treatment (OMT) or the types and frequency of OMT used. OBJECTIVE: To present descriptive data of pediatric patients receiving OMT from a neuromusculoskeletal medicine/OMM outpatient clinic. METHODS: Data were drawn from electronic health records from a single outpatient specialty clinic for pediatric clinical encounters involving OMT that took place between January 1, 2014, and December 31, 2016. Encounter notes and billing records were reviewed for demographic information, presenting complaints, clinical assessments, somatic dysfunction assessments, OMT techniques used, and payment method. Data were categorized by patient age and analyzed. RESULTS: Five hundred thirty-seven pediatric patients (321 girls, 216 boys) received OMT during the study. These patients accounted for 1688 clinical encounters (1106 for girls, 582 for boys). Mean (SD) number of encounters was 2.7 (1.3) encounters for boys and 3.5 (1.1) encounters for girls. A higher percentage of patients younger than age 2 were boys, while a higher percentage of patients older than age 2 were girls (both P=.005). Musculoskeletal complaints and assessments were the most common for children aged 6 years and older; misshapen head, feeding difficulties, and colic were the most frequently reported for children younger than 6 years. There were 8557 somatic dysfunction assessments documented; thoracic and cervical somatic dysfunction were most commonly assessed. There were 8485 OMT techniques documented, and myofascial release was most frequently used. Encounters with self-pay patients (n=72) involved fewer somatic dysfunction assessments (P<.001) than encounters with patients using private insurance (n=1060) or Medicaid (n=542). CONCLUSION: The electronic health records reviewed in the current study revealed descriptive data of pediatric patients presenting to an OMM clinic; these data were rarely documented in previous literature. They may be used by clinicians to better understand the role of OMM as a pediatric adjunctive medical approach and to identify conditions to target for future outcome studies based on common presenting complaints.


Asunto(s)
Cólico/terapia , Osteopatía/métodos , Enfermedades Musculoesqueléticas/terapia , Plagiocefalia/terapia , Adolescente , Adulto , Niño , Preescolar , Femenino , Humanos , Lactante , Recién Nacido , Masculino , Adulto Joven
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