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Methotrexate and rheumatoid arthritis associated interstitial lung disease. Eur Respir J 2021; 57:13993003.00337-2020. [PMID: 32646919 PMCID: PMC8212188 DOI: 10.1183/13993003.00337-2020] [Citation(s) in RCA: 81] [Impact Index Per Article: 27.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2020] [Accepted: 06/13/2020] [Indexed: 01/25/2023]
Abstract
QUESTION ADDRESSED BY THE STUDY Methotrexate (MTX) is a key anchor drug for rheumatoid arthritis (RA) management. Fibrotic interstitial lung disease (ILD) is a common complication of RA. Whether MTX exposure increases the risk of ILD in patients with RA is disputed. We aimed to evaluate the association of prior MTX use with development of RA-ILD. METHODS Through a case-control study design with discovery and international replication samples, we examined the association of MTX exposure with ILD in 410 patients with chronic fibrotic ILD associated with RA (RA-ILD) and 673 patients with RA without ILD. Estimates were pooled over the different samples using meta-analysis techniques. RESULTS Analysis of the discovery sample revealed an inverse relationship between MTX exposure and RA-ILD (adjusted OR 0.46, 95% CI 0.24-0.90; p=0.022), which was confirmed in the replication samples (pooled adjusted OR 0.39, 95% CI 0.19-0.79; p=0.009). The combined estimate using both the derivation and validation samples revealed an adjusted OR of 0.43 (95% CI 0.26-0.69; p=0.0006). MTX ever-users were less frequent among patients with RA-ILD compared to those without ILD, irrespective of chest high-resolution computed tomography pattern. In patients with RA-ILD, ILD detection was significantly delayed in MTX ever-users compared to never-users (11.4±10.4 years and 4.0±7.4 years, respectively; p<0.001). ANSWER TO THE QUESTION Our results suggest that MTX use is not associated with an increased risk of RA-ILD in patients with RA, and that ILD was detected later in MTX-treated patients.
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Abstract
BACKGROUND Given the phenotypic similarities between rheumatoid arthritis (RA)-associated interstitial lung disease (ILD) (hereafter, RA-ILD) and idiopathic pulmonary fibrosis, we hypothesized that the strongest risk factor for the development of idiopathic pulmonary fibrosis, the gain-of-function MUC5B promoter variant rs35705950, would also contribute to the risk of ILD among patients with RA. METHODS Using a discovery population and multiple validation populations, we tested the association of the MUC5B promoter variant rs35705950 in 620 patients with RA-ILD, 614 patients with RA without ILD, and 5448 unaffected controls. RESULTS Analysis of the discovery population revealed an association of the minor allele of the MUC5B promoter variant with RA-ILD when patients with RA-ILD were compared with unaffected controls (adjusted odds ratio, 3.8; 95% confidence interval [CI], 2.8 to 5.2; P=9.7×10-17). The MUC5B promoter variant was also significantly overrepresented among patients with RA-ILD, as compared with unaffected controls, in an analysis of the multiethnic case series (adjusted odds ratio, 5.5; 95% CI, 4.2 to 7.3; P=4.7×10-35) and in a combined analysis of the discovery population and the multiethnic case series (adjusted odds ratio, 4.7; 95% CI, 3.9 to 5.8; P=1.3×10-49). In addition, the MUC5B promoter variant was associated with an increased risk of ILD among patients with RA (adjusted odds ratio in combined analysis, 3.1; 95% CI, 1.8 to 5.4; P=7.4×10-5), particularly among those with evidence of usual interstitial pneumonia on high-resolution computed tomography (adjusted odds ratio in combined analysis, 6.1; 95% CI, 2.9 to 13.1; P=2.5×10-6). However, no significant association with the MUC5B promoter variant was observed for the diagnosis of RA alone. CONCLUSIONS We found that the MUC5B promoter variant was associated with RA-ILD and more specifically associated with evidence of usual interstitial pneumonia on imaging. (Funded by Société Française de Rhumatologie and others.).
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Shared genetic predisposition in rheumatoid arthritis-interstitial lung disease and familial pulmonary fibrosis. Eur Respir J 2017; 49:49/5/1602314. [PMID: 28495692 DOI: 10.1183/13993003.02314-2016] [Citation(s) in RCA: 124] [Impact Index Per Article: 17.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2016] [Accepted: 02/11/2017] [Indexed: 11/05/2022]
Abstract
Despite its high prevalence and mortality, little is known about the pathogenesis of rheumatoid arthritis-associated interstitial lung disease (RA-ILD). Given that familial pulmonary fibrosis (FPF) and RA-ILD frequently share the usual pattern of interstitial pneumonia and common environmental risk factors, we hypothesised that the two diseases might share additional risk factors, including FPF-linked genes. Our aim was to identify coding mutations of FPF-risk genes associated with RA-ILD.We used whole exome sequencing (WES), followed by restricted analysis of a discrete number of FPF-linked genes and performed a burden test to assess the excess number of mutations in RA-ILD patients compared to controls.Among the 101 RA-ILD patients included, 12 (11.9%) had 13 WES-identified heterozygous mutations in the TERT, RTEL1, PARN or SFTPC coding regions. The burden test, based on 81 RA-ILD patients and 1010 controls of European ancestry, revealed an excess of TERT, RTEL1, PARN or SFTPC mutations in RA-ILD patients (OR 3.17, 95% CI 1.53-6.12; p=9.45×10-4). Telomeres were shorter in RA-ILD patients with a TERT, RTEL1 or PARN mutation than in controls (p=2.87×10-2).Our results support the contribution of FPF-linked genes to RA-ILD susceptibility.
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Fond génétique partagé entre la pneumopathie interstitielle diffuse associée à la polyarthrite rhumatoïde et la fibrose pulmonaire idiopathique. Rev Mal Respir 2017. [DOI: 10.1016/j.rmr.2016.10.133] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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Validation des performances du logiciel Pneumodoc®pour l’aide au diagnostic d’imputabilité médicamenteuse des pneumopathies infiltrantes diffuses. Rev Mal Respir 2012. [DOI: 10.1016/j.rmr.2011.10.018] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/14/2022]
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Role for interferon-gamma release assays in latent tuberculosis screening before TNF-α antagonist therapy. Joint Bone Spine 2011; 78:352-7. [DOI: 10.1016/j.jbspin.2010.12.001] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 09/06/2010] [Indexed: 01/10/2023]
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Place des tests à l’interféron (IGRAs) dans le dépistage de la tuberculose latente (TBL) avant prescription d’agents anti-TNF : le point. ACTA ACUST UNITED AC 2011. [DOI: 10.1016/j.rhum.2010.09.005] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
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Abstract
The anti-CD20 antibody rituximab has been reported to induce a heterogeneous spectrum of lung disorders. The aim of the present study was to critically review data on the clinical presentations, causality assessments and management strategies of lung diseases possibly related to rituximab. A systematic literature review was performed on English-language reports in PubMed until September 2008. Cases of lung diseases ascribed to rituximab (n = 45) were identified, with three time-to-onset patterns. The most common presentation was acute/subacute hypoxaemic organising pneumonia (n = 37), starting 2 weeks after the last infusion (often around the fourth cycle) and resolving, in most cases, provided glucocorticoid therapy was given early. Acute respiratory distress syndrome occurred in five patients, within a few hours and usually after the first infusion. In the remaining three patients, macronodular organising pneumonia developed insidiously long after rituximab therapy and responded to steroids. Eight patients died. Based on time to onset, symptoms, and responses to discontinuation and rechallenge with rituximab and other drugs, 13 cases were highly compatible and 32 compatible with rituximab-induced lung disease. Knowledge of these presentations of rituximab-induced lung disease should prove helpful for diagnosis and causality assessment purposes. Time-to-onset data, suggesting different pathogenic mechanisms, support closer clinical and perhaps radiological monitoring between infusions, particularly in patients with a history of reversible respiratory symptoms.
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Abstract
The characteristics of patients with rheumatoid arthritis (RA) who develop obliterative bronchiolitis characterised by severe airflow obstruction have been hitherto poorly investigated. A retrospective study of 25 patients with RA and functional evidence of obliterative bronchiolitis (forced expiratory volume in one second (FEV(1))/forced vital capacity (FVC) <50% and/or residual volume (RV)/total lung capacity (TLC) >140% predicted) was conducted. Patients (mean+/-SD age 64+/-11 yrs) included 17 never-smokers and eight ex-smokers (10.5+/-5.4 pack-yrs). The diagnosis of RA preceded respiratory symptoms in 88% of cases. Dyspnoea on exertion was present in all patients and bronchorrhea in 44%. High-resolution computed tomography findings included: bronchial wall thickening (96%), bronchiectasis (40%), mosaic pattern (40%), centrilobular emphysema (56%), and reticular and/or ground-glass opacities (32%). Pulmonary function tests showed: FEV(1) 41+/-12% pred, FEV(1)/FVC 49+/-14%, FVC 70+/-20% pred, RV 148+/-68% pred and RV/TLC 142+/-34% pred. Lung biopsy, available in nine patients, demonstrated constrictive, follicular and mixed bronchiolitis. Patients were followed for 48.2+/-49 months. Treatment was poorly effective. Chronic respiratory failure occurred in 40% of patients, and four patients died. Obliterative bronchiolitis associated with rheumatoid arthritis is a severe and under-recognised condition leading to respiratory failure and death in a high proportion of patients.
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Tuberculose, agents anti-TNF et autres immunosuppresseurs : évolution des stratégies de prévention. Rev Mal Respir 2008. [DOI: 10.1016/s0761-8425(08)75124-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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12
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Tuberculose, agents anti-TNF et autres immunosuppresseurs : évolution des stratégies de prévention. Rev Mal Respir 2008. [DOI: 10.1016/s0761-8425(08)75117-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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Tuberculose, agents anti-TNF et autres immunosuppresseurs : évolution des stratégies de prévention. Rev Mal Respir 2008; 25:1237-49. [DOI: 10.1016/s0761-8425(08)75089-7] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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Organizing pneumonia associated with rituximab: Challenges raised by establishing causality. Joint Bone Spine 2008; 75:260-2. [DOI: 10.1016/j.jbspin.2008.02.001] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2008] [Accepted: 02/15/2008] [Indexed: 10/22/2022]
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16
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[PneumoDoc: a computer-based decision-making system for drug-related pulmonary disease]. REVUE DE PNEUMOLOGIE CLINIQUE 2007; 63:193-201. [PMID: 17675943 DOI: 10.1016/s0761-8417(07)90124-8] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/16/2023]
Abstract
Establishing the diagnosis of drug-related pulmonary disease (DRPD) remains a difficult task because of the large number of drug-related toxic situations and the variety of clinical presentations. PneumoDoc is a computer-based support system designed to facilitate the diagnosis of lung disease using chronological, clinical, imaging, and cytological (alveolar lavage) input. These intrinsic items are crosschecked against extrinsic items reported in the literature (Pneumotox). Data input is in the form of yes-no questions. The final output displays the characteristic features of the observed clinical situation and calculates the probability of DRPD defined in five categories: incompatible, doubtful, compatible, suggestive, and highly suggestive. Use of multiple drugs, interaction with cardiopulmonary disease, and the absence of reported cases are limitations of the system.
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116 Pneumodoc : Système d’aide au diagnostic des pneumopathies médicamenteuses (PM). Rev Mal Respir 2007. [DOI: 10.1016/s0761-8425(07)72492-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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519 Trouble ventilatoire obstructif sévère compliquant une polyarthrite rhumatoïde : étude de 22 cas. Rev Mal Respir 2007. [DOI: 10.1016/s0761-8425(07)72896-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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Thorax anormal et polyarthrite rhumatoïde. Rev Mal Respir 2006; 23:767-8. [PMID: 17886357 DOI: 10.1016/s0761-8425(06)72095-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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Abstract
INTRODUCTION Treatment of rheumatoid arthritis (RA) has changed with the release of more efficient disease-modifying anti-inflammatory drugs (DMARDs) and biologicals, such as methotrexate, leflunomide and TNF blockers, respectively. However they are prone to trigger potential pulmonary side effects. STATE OF KNOWLEDGES: Diffuse interstitial pneumonitis with alveolar lymphocytosis are induced by methotrexate. This drug increases also the risk of opportunistic infections (Pneumocyctis carinii) and of delayed lymphomas. Many intracellular bacterial infections, about 80 cases of diffuse pneumonitis, and rare vasculitis are attributable to leflunomide. PERSPECTIVES The TNF blocking agents (infliximab, etanercept and adalimumab) trigger immunization and consequently, rare type I and III hypersensitivity pneumonitis, serological lupus-like reactions usually without any clinical manifestations. Indeed the risk of infection with intracellular agents remains the first concern. Several hundreds of cases of pulmonary and non pulmonary tuberculosis (TB) have been described. They present as disseminated forms, with pulmonary manifestations present in half cases; of note, other sites are atypical, namely meningitis, lymph node, and digestive involvement. Pathological diagnosis can be difficult since granulomas are sparse or absent. Therefore TB can be lethal because of delayed diagnosis and treatment. CONCLUSION To prevent this major risk when using TNF blockers, the French agency AFFSAPS recommends to screen and treat susceptible patients such as latent tuberculosis. Specifically, antituberculous drugs have to be started three weeks before anti-TNF agents. During biological therapy, physicians must regularly look for usual and unusual symptoms of TB. When TB is diagnosed, anti -TNF agents have to be discontinued, probably definitively, and appropriate antituberculosis treatment started in order to achieve an uneventful course.
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Abstract
Search for an etiology of bronchiectasis consists in identifying constitutional or acquired defense mechanisms of the respiratory mucosa. The question is timely because causes change. In developing countries, presumed sequelae of infection account for about 30% of the cases despite vaccination campaigns, control of endemic tuberculosis, and widespread use of antibiotics. Genetic diseases account for 20% of the causes when identified by high-performance prospective diagnostic tests (CFTR mutation). Computed tomography enables the identification of frequent associations between bronchiectasis and rheumatoid disease or ulcerative colitis. Recent diseases such as HIV infection or GVHD can also lead to bronchiectasis. Nevertheless, the cause remains unknown in 30-50% of patients. After a detailed analysis of the clinical presentation and diagnostic criteria specific for each etiology, we propose a two-phase diagnostic procedure. The first step, used for all patients (careful history taking, physical examination, imaging, bronchofibroscopy, limited blood tests) enables detecting localized bronchial obstacles and obvious etiologies (situs inversus of primary ciliary dyskinesia, known systemic disease, HIV...). If the first step is negative, the second phase is oriented by the clinical context. Sequelae of infection (tuberculosis...) in older subjects or migrants, a genetic cause in younger subjects, particularly if there is a familial history and/or infertility, a systemic disease or allergic bronchopulmonary aspergillosis if there is an extra-respiratory context. This etiological search should help improve patient management and provide a better prognosis and prevention of bronchiectasis.
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[Pathogenesis of the progression of bronchial lesions in bronchiectasis]. REVUE DE PNEUMOLOGIE CLINIQUE 2001; 57:S1-S7. [PMID: 11887433] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 05/23/2023]
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The relationship between introduction of American society of clinical oncology guidelines and the use of colony-stimulating factors in clinical practice in a Paris university hospital. Clin Ther 2001; 23:1116-27. [PMID: 11519774 DOI: 10.1016/s0149-2918(01)80095-3] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
BACKGROUND Clinical practice guidelines are issued periodically by professional medical societies or committees to assist practitioners in clinical decision making. However, it is unclear whether such guidelines have any lasting impact on clinical practice. OBJECTIVE The purpose of this study was to assess the impact of the American Society of Clinical Oncology (ASCO) guidelines regarding use of hematopoietic colony-stimulating factors (CSF) on cancer care in a university hospital in Paris. METHODS The study was performed at Hĵpital Tenon, an 830-bed university hospital in Paris, in 1996 and 1997, both before and after the ASCO guidelines were implemented. The guidelines were first disseminated as a continuing medical education program and then actively implemented using a CSF prescription order form summarizing the guidelines. This form had to be used during the patient consultation and was sent to the Hĵpital Tenon pharmacy for CSF dispensation. Even if CSF use did not comply with the ASCO guidelines, the pharmacy filled the prescription. Seven other university hospitals in Paris, where the ASCO guidelines were not actively implemented, comprised the control group. The main outcome measure was the proportion of prescriptions in compliance with the 1996 update of the ASCO guidelines. Secondary outcome measures were the proportions of prescriptions in compliance with ASCO guidelines regarding primary prophylactic, secondary prophylactic, and therapeutic CSF administration. RESULTS Before implementation of the ASCO guidelines, CSF use in compliance with the guidelines was 39% (41/105) at the study site and 31% (16/51) at the control sites (P > 0.05). Six months after dissemination and implementation of the guidelines, the proportion of CSF prescriptions complying with ASCO guidelines increased significantly versus baseline (P = 0.003) in the study group, to 61% (50/82). However, even after the guidelines were implemented, compliance with guidelines on primary prophylactic CSF administration did not change significantly versus before implementation in the study group (12% [5/41] before implementation vs 6% [2/33] after implementation; P > 0.05). CONCLUSIONS The results suggest an association between the active implementation strategy (continuing medical education and CSF prescription reminder form) and physician compliance with the ASCO guidelines. Implementation of the ASCO guidelines appears to have had some impact on medical practice.
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[Prophylactic prescription of low-molecular-weight heparin in the non-surgical setting: impact of recommendations]. Presse Med 2001; 30:203-8. [PMID: 12385051] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/26/2023] Open
Abstract
OBJECTIVE Low-molecular-weight heparins (LMWH) had official approval for use for venous thromboembolism prophylaxis only for surgery patients when this survey was conducted, but were nevertheless often used in non-surgery patients. We conducted this "before and after" survey from May 1998 to April 1999 to assess the impact of the recommendations implemented in the beginning of 1999. METHODS Data on the use of LMWH were collected on three different days within a three week interval in all non-surgery departments at the Tenon hospital before distribution of expert recommendations early in 1999. Published in La Presse Médicale in January 2000, these recommendations issued from an external panel of 43 experts who were contacted to establish a consensus opinion using the Delphi method. Data were again collected on three different days after implementation of the recommendations. Implementation was based on a patient-specific prescription order form requested by the hospital pharmacy for delivery to the department. RESULTS Data were collected for 121 prescriptions prior to the recommendations and for 158 after. Sex-ratio, mean age and percentage of LMWH prescriptions did not differ significantly between the two periods. There was a lower number of non-appropriate prescriptions after implementation of the recommendations from 54.5% to 35.4% (p = 0.01) with better conformity for recommendation A (high-risk patients) (36% versus 43%, NS) and for recommendation B (= 2 risk situations or = 1 risk situation and = 2 aggravating factors) (10% versus 22%, p = 0.01). Better conformity of LMWH prescriptions in oncology and radiotherapy departments partially explained this general improvement, but the difference remained significant when excluding these two departments (p = 0.04). CONCLUSION This study shows that physician compliance with recognized expert recommendations can improve their implementation. This procedure is now in general use in the Tenon hospital.
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[Prevention of venous thromboembolism in a non-surgical medical ward. Proposed indications for low molecular weight heparin]. Presse Med 2000; 29:4-10. [PMID: 10682045] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/15/2023] Open
Abstract
OBJECTIVE The efficiency of venous thromboembolism prophylaxis with low molecular weight heparins (LMWH) has not been established in non surgical patients, so their official preventive use has been limited in France since 1995 to surgery. However, a survey conducted in 5 university hospitals in non surgical patients showed that 21-29% of patients still received a LMWH prescription. It seemed necessary to define the medical conditions for which the practical use of these heparins would be justified. We contacted external experts to obtain a consensus by using the Delphi method. METHODS The Delphi method, created by the "Rand Corporation" in the USA and used in medicine since the nineteen seventies, is based on a light logistic, with questionnaires been sent by mail with a feed-back report A total of 48 experts were chosen by local staff teams in the 5 hospitals. For the 3 rounds, from March to October 1998, questions were devised by a multicentred staff team. RESULTS Among the 48 experts contacted, 32 completed the 3 questionnaires, 7 of them did for 2, and 43 did for at least one questionnaire. The experts first defined a list of 12 risk or high risk situations and 11 aggravating factors. For any high risk situation, prescription is justified. For other cases, 2 risk situations are required, or one risk situation with at least 2 aggravating factors, to justify a prescription. If no risk situation is present, prescription is, according to experts, usually not justified. CONCLUSION The maximal agreement defines the situations in which one use of low molecular weight heparins is proposed to prevent deep venous thrombosis in non surgical inpatients, in most current hospital situations and for more than 24 hours of hospitalization. Clinical trials are needed, to validate their effectiveness and define the optimal dose in these indications. To date, epidemiological studies should be conducted to evaluate the experts proposals by estimating risk factors for deep venous thrombosis.
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[Comments on the guidelines of the French-Language Society of Pneumology on the use of serum tumor markers in the management of primary bronchial cancers. Restatement]. Rev Mal Respir 1999; 16:1165-6. [PMID: 10637920] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/15/2023]
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[Infant mortality and morbidity. Definitions, main causes related to age. Obligatory health examinations]. LA REVUE DU PRATICIEN 1995; 45:1139-44. [PMID: 7792537] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/27/2023]
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[Prenatal protection. Rules, perinatal mortality, epidemiology]. LA REVUE DU PRATICIEN 1995; 45:1029-34. [PMID: 7761769] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/27/2023]
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[Hospital health care system (public and private) and ambulatory care system. Structure and fees]. LA REVUE DU PRATICIEN 1994; 44:973-82. [PMID: 7939312] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
MESH Headings
- Ambulatory Care
- Delivery of Health Care/history
- Delivery of Health Care/organization & administration
- Fees, Medical
- France
- History, 15th Century
- History, 16th Century
- History, 17th Century
- History, 18th Century
- History, 19th Century
- History, 20th Century
- History, Ancient
- History, Medieval
- Hospitals/history
- Hospitals, Private/history
- Hospitals, Private/organization & administration
- Hospitals, Public/history
- Hospitals, Public/organization & administration
- Humans
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[Bone scintigraphy disclosing pulmonary hyperfixation in hypercalcemia]. REVUE DU RHUMATISME (ED. FRANCAISE : 1993) 1994; 61:60-2. [PMID: 8000405] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
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Adult-onset Still's disease revealed by a pleuropericarditis. Eur Respir J 1990; 3:1064-6. [PMID: 2289554] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
We report a case of adult-onset Still's disease (AOSD) revealed by pleuropericardial manifestations. A 40 yr old black woman was admitted for flu-like syndrome with pharyngitis, hectic fever, polymorphonuclear hyperleucocytosis and pleuropericarditis. The diagnosis of AOSD was supported by 3 major and 3 minor criteria after exclusion of infectious, haematological and connective tissue diseases. Pulmonary involvement is infrequent in AOSD, and consists of transient pulmonary infiltrates and chronic restrictive pattern. However, pleuritis, like pericarditis, is present in 25% of cases. Initial onset of pleuritis, associated with fever and hyperleucocytosis preceding articular manifestations could be responsible for a delay in diagnosis and a subsequent worsening in the prognosis of the disease. A rapid improvement is usually observed under nonsteroidal anti-inflammatory drug or corticosteroid treatment.
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Role of mucus and cilia in nasal mucociliary clearance in healthy subjects. THE AMERICAN REVIEW OF RESPIRATORY DISEASE 1989; 140:132-6. [PMID: 2751159 DOI: 10.1164/ajrccm/140.1.132] [Citation(s) in RCA: 45] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Abstract
Large interindividual variations of nasal mucocilliary clearance across healthy subjects have been previously described. The aim of this study was to evaluate the respective role of the nasal mucus quality and ciliary activity in determining nasal mucociliary clearance and to study changes in these variables across time and with environmental conditions. In 20 healthy nonsmoking volunteers, the in vivo nasal mucociliary clearance was measured with the saccharin test. Then, nasal mucus and ciliated cells were collected. The in vitro ciliary beat frequency of the nasal cells was evaluated by a photometric analysis. The in vitro nasal mucus transport rate was evaluated by use of the frog depleted-palate model. The nasal mucociliary transport time (NMTT) of saccharin was greater than 30 min in seven subjects and was 13.6 +/- 6.1 min (mean +/- SD) in the remaining 13 subjects. NMTT was correlated to the in vitro transport rate of the nasal mucus (r = -0.75, p less than 0.001), but not to the ciliary beating frequency or to ambient temperature, relative humidity, or air pollution indices measured. Moreover, large intraindividual variations of NMTT, measured on two occasions 4 to 8 wk apart, were found to be significantly correlated with changes in mucus transport rate (r = -0.60, p less than 0.05).
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