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Camps-Vilaro A, R Degano I, Brugada R, Pinsach M, Elosua R, Ramos R, Marti R, Subirana I, Nogues X, Masclans JR, Marin J, Guerri R, Tizon H, Vaquerizo B, Marrugat J. Classic and genetic cardiovascular risk burden and case-fatality from SARS-CoV-2 virus infection. The CARGENCORS study. Eur Heart J 2022. [PMCID: PMC9619578 DOI: 10.1093/eurheartj/ehac544.2296] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
Background The disease presentation of the severe acute respiratory syndrome coronavirus 2 infection (COVID-19) ranges from asymptomatic to fatal. COVID-19 patients with pre-existing coronary artery disease (CAD) risk factors or overt cardiovascular disease more often develop severe COVID-19, which are also related to thrombotic, inflammatory, and to viral infectivity response. We hypothesised that despite some genetic predisposition, especially in COVID-19 severity, the main determinants of fatal complications in COVID-19 patients are related to comorbidity. Purpose To determine the role of genetics and cardiovascular comorbidity in mortality from COVID-19. Methods We conducted a retrospective cohort study including 3,120 patients with positive COVID-19 test from several hospitals and primary care between February 2020 and June 2021. Among them 1,096 required hospitalization, and 121 died within 3 months after symptom onset. Standard parametric and non-parametric methods, as required, were used to compare patient characteristics by vital status. Individual genotypes for 32 CAD, 14 thrombosis, 19 inflammation, and 11 viral infectivity single nucleotide variants (SNV), as well as, 2 COVID-19 SNVs already published were tested for association with mortality with Cochran-Armitage statistics and p-values corrected for multiple comparisons. The mutually-adjusted odds ratio (OR) and 95% confidence interval (95% CI) of fatal COVID-19 was analysed for SNVs significantly associated to case-fatality, with their adverse alleles count (0, 1 or 2), and for comorbidity factors with logistic regression adjusted for age and sex. The discrimination of the models was also estimated by the area under the curve (AUC). Results Fatal and non-fatal cases' characteristics are compared in Table 1. Fatal cases had a more adverse cardiovascular and anthropometric risk profile. After correcting for multiple testing by Benjamini-Hochberg method, we observed the inflammation-related rs6993770 SNV to be significantly associated with COVID-19 fatality (p-value = 0.04). The CAD-related rs9982601 and rs2505083 SNVs, and the thrombosis-related rs7853989 SNV were moderately associated with COVID-19 fatality (p-value ≤0.1). On Figure 1 we show the adjusted OR for rs6993770 (OR: 1.02; 95% CI 1.01–1.03 per risk allele) and that for clinical factors related to COVID-19 case-fatality. The AUC of the model was 0.85 (95% CI 0.81–0.88), which not improved that of a model with clinical risk factors alone (AUC: 0.84; 95% CI 0.81–0.87). Conclusion The rs6993770 inflammation (interleukin measurement trait)-related SNV was independently associated to case fatality; however the outcome was mainly driven by age, male sex, diabetes, and glomerular filtration rate. Funding Acknowledgement Type of funding sources: Other. Main funding source(s): Carlos III Health Institute and the European Regional Development FundAgency for Management of University and Research GrantsCrue-CSIC-Santander FONDO SUPERA COVID-19
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Affiliation(s)
- A Camps-Vilaro
- Hospital del Mar Medical Research Institute (IMIM) , Barcelona , Spain
| | - I R Degano
- University of Vic-Central University of Catalonia (UVic-UCC) , Vic , Spain
| | - R Brugada
- Girona Biomedical Research Institute , Girona , Spain
| | - M Pinsach
- Girona Biomedical Research Institute , Girona , Spain
| | - R Elosua
- Hospital del Mar Medical Research Institute (IMIM) , Barcelona , Spain
| | - R Ramos
- Primary Care Research Institute (IDIAP) , Barcelona , Spain
| | - R Marti
- Primary Care Research Institute (IDIAP) , Barcelona , Spain
| | - I Subirana
- Health Institute Carlos III, CIBER CV , Madrid , Spain
| | - X Nogues
- Hospital del Mar, Internal Medicine Department , Barcelona , Spain
| | - J R Masclans
- Hospital del Mar, Critical Care Department , Barcelona , Spain
| | - J Marin
- Hospital del Mar, Critical Care Department , Barcelona , Spain
| | - R Guerri
- Hospital del Mar, Infectious Diseases Department , Barcelona , Spain
| | - H Tizon
- Hospital del Mar, Cardiology Department , Barcelona , Spain
| | - B Vaquerizo
- Hospital del Mar, Cardiology Department , Barcelona , Spain
| | - J Marrugat
- Hospital del Mar Medical Research Institute (IMIM) , Barcelona , Spain
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Faust Akl D, Poier D, D'Angelo SC, Araújo TP, Tulus V, Safonova OV, Mitchell S, Marti R, Guillén-Gosálbez G, Pérez-Ramírez J. Assessing the environmental benefit of palladium-based single-atom heterogeneous catalysts for Sonogashira coupling. Green Chem 2022; 24:6879-6888. [PMID: 36276229 PMCID: PMC9487187 DOI: 10.1039/d2gc01853e] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 05/17/2022] [Accepted: 06/29/2022] [Indexed: 06/16/2023]
Abstract
The Pd-Cu catalysed Sonogashira coupling of terminal alkynes and aryl halides is a cornerstone synthetic strategy for C-C bond formation. Homogeneous organometallic systems conventionally applied are typically not reusable and require efficient downstream Pd removal steps for product purification, making it challenging to fully recover the precious metal. A holistic cradle-to-gate life cycle assessment (LCA) unveils that process footprint can be improved up to two orders of magnitude from repeated catalyst reuse. New classes of heterogeneous catalysts based on isolated metal atoms (single-atom catalysts, SACs) demonstrate promising potential to synergise the benefits of solid and molecular catalysts for efficient Pd utilisation. Here we show that using Pd atoms anchored on nitrogen-doped carbon permits full recovery of the metal and reuse of the catalyst over multiple cycles. A hybrid process using the Pd-SAC with a homogeneous CuI cocatalyst is more effective than a fully heterogeneous analogue based on a bimetallic Pd-Cu SAC, which deactivates severely due to copper leaching. In some scenarios, the LCA-based metrics demonstrate the footprint of the hybrid homogeneous-heterogeneous catalytic process is leaner than the purely homogeneous counterpart already upon single reuse. Combining LCA with experimental evaluation will be a useful guide to the implementation of solid, reusable catalysts for sustainable organic transformations.
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Affiliation(s)
- D Faust Akl
- Institute for Chemical and Bioengineering, Department of Chemistry and Applied Biosciences, ETH Zurich Vladimir-Prelog-Weg 1 8093 Zurich Switzerland
| | - D Poier
- Institute of Chemical Technology, University of Applied Sciences and Arts of Western Switzerland Fribourg Boulevard de Pérolles 80 1700 Fribourg Switzerland
| | - S C D'Angelo
- Institute for Chemical and Bioengineering, Department of Chemistry and Applied Biosciences, ETH Zurich Vladimir-Prelog-Weg 1 8093 Zurich Switzerland
| | - T P Araújo
- Institute for Chemical and Bioengineering, Department of Chemistry and Applied Biosciences, ETH Zurich Vladimir-Prelog-Weg 1 8093 Zurich Switzerland
| | - V Tulus
- Institute for Chemical and Bioengineering, Department of Chemistry and Applied Biosciences, ETH Zurich Vladimir-Prelog-Weg 1 8093 Zurich Switzerland
| | - O V Safonova
- Paul-Scherrer Institute Forschungsstrasse 111 5232 Villigen PSI Switzerland
| | - S Mitchell
- Institute for Chemical and Bioengineering, Department of Chemistry and Applied Biosciences, ETH Zurich Vladimir-Prelog-Weg 1 8093 Zurich Switzerland
| | - R Marti
- Institute of Chemical Technology, University of Applied Sciences and Arts of Western Switzerland Fribourg Boulevard de Pérolles 80 1700 Fribourg Switzerland
| | - G Guillén-Gosálbez
- Institute for Chemical and Bioengineering, Department of Chemistry and Applied Biosciences, ETH Zurich Vladimir-Prelog-Weg 1 8093 Zurich Switzerland
| | - J Pérez-Ramírez
- Institute for Chemical and Bioengineering, Department of Chemistry and Applied Biosciences, ETH Zurich Vladimir-Prelog-Weg 1 8093 Zurich Switzerland
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Camps-Vilaro A, R Degano I, Brugada R, Elosua R, Ramos R, Marti R, Subirana I, Nogues X, Masclans JR, Guerri R, Marin J, Tizon H, Vaquerizo B, Pinsach M, Marrugat J. Genetic risk score for risk stratification of patients positive for SARS-CoV-2 virus. The CARGENCORS study. Eur J Prev Cardiol 2022. [PMCID: PMC9383965 DOI: 10.1093/eurjpc/zwac056.321] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/14/2022]
Abstract
Funding Acknowledgements Type of funding sources: Other. Main funding source(s): Carlos III Health Institute and the European Regional Development Fund Government of Catalonia through the Agency for Management of University and Research Grants Crue-CSIC-Santander FONDO SUPERA COVID-19 Background The disease presentation of the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) ranges from asymptomatic to fatal. COVID-19 patients with pre-existing coronary artery disease (CAD) risk factors or overt cardiovascular disease are at particular risk of severe disease. We hypothesised that a specific genetic risk score (GRS) based on single nucleotide polymorphisms (SNPs) allele count to score COVID-19 severity might include SNPs counts related to CAD incidence and to thrombosis, inflammation, and viral infectivity determinants involved in the severity of SARS-CoV-2. Such GRS could improve the early risk stratification of COVID-19 patients and optimize treatment strategies. Purpose To evaluate the capacity of a genetic risk score (GRS) with candidate genes to predict COVID-19 severity. Methods We conducted an age- and sex-matched case-control study with 1:2 ratio recruitment involving 2454 patients from Catalan hospitals and primary care. Cases were hospitalized severe (requiring at least oxygen treatment) or fatal COVID-19 patients; and controls were moderate-symptom and asymptomatic patients treated at home. Standard parametric and non-parametric methods, as required, were used to compare patient characteristics by severity. Individual genotypes for 33 CAD, 14 thrombosis, 22 inflammation, 15 viral infectivity SNPs and 2 COVID-19 SNPs already published were tested for association with severity with Cochran-Armitage statistics and p-values corrected for multiple comparisons. GRS was computed as the unweighted count of adverse alleles (0, 1 or 2). The odds ratio of severe COVID-19 was analysed for GRS (and its component SNPs) with logistic regression models adjusted for potential confounding factors. Area under the curve (AUC) improvement and net reclassification index (NRI) for GRS was estimated from a basic model including CAD and COVID-19 severity risk factors. Models’ performance was measured with the Akaike information criterion. Results SNPs identifications are not shown to prevent patent conflict. Cases and control characteristics are compared in Table 1. Cases had a more adverse cardiovascular and anthropometric risk profile. After correcting for multiple testing by Benjamini-Hochberg criteria, we observed 13 SNPs to be significantly associated with severity. After excluding the close SNPs in linkage disequilibrium, 7 were retained in the GRS model, which yielded the discrimination and reclassification characteristics described in Table 2. Conclusion A GRS with 7 SNPs related to CAD, thrombosis and inflammation significantly improves the severe COVID-19 risk assessment done with age, sex, comorbidity, and anthropometry alone.
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Affiliation(s)
| | - I R Degano
- University of Vic-Central University of Catalonia (UVic-UCC), Faculty of Medicine, Vic, Spain
| | - R Brugada
- Girona Biomedical Research Institute, Girona, Spain
| | - R Elosua
- Hospital del Mar Medical Research Institute (IMIM), Barcelona, Spain
| | - R Ramos
- Primary Care Research Institute (IDIAP), Barcelona, Spain
| | - R Marti
- Primary Care Research Institute (IDIAP), Barcelona, Spain
| | - I Subirana
- Hospital del Mar Medical Research Institute (IMIM), Barcelona, Spain
| | - X Nogues
- Hospital del Mar, Internal Medicine Department, Barcelona, Spain
| | - JR Masclans
- Hospital del Mar, Critical Care Department, Barcelona, Spain
| | - R Guerri
- Hospital del Mar, Infectious Diseases Department, Barcelona, Spain
| | - J Marin
- Hospital del Mar, Critical Care Department, Barcelona, Spain
| | - H Tizon
- Hospital del Mar, Cardiology Department, Barcelona, Spain
| | - B Vaquerizo
- Hospital del Mar, Cardiology Department, Barcelona, Spain
| | - M Pinsach
- Girona Biomedical Research Institute, Girona, Spain
| | - J Marrugat
- Hospital del Mar Medical Research Institute (IMIM), Barcelona, Spain
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Bouchali R, Mandon C, Marti R, Michalon J, Aigle A, Marjolet L, Vareilles S, Kouyi GL, Polomé P, Toussaint JY, Cournoyer B. Bacterial assemblages of urban microbiomes mobilized by runoff waters match land use typologies and harbor core species involved in pollutant degradation and opportunistic human infections. Sci Total Environ 2022; 815:152662. [PMID: 34963611 DOI: 10.1016/j.scitotenv.2021.152662] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/02/2021] [Revised: 11/23/2021] [Accepted: 12/20/2021] [Indexed: 06/14/2023]
Abstract
Cities are patchworks of urban catchments divided into functional units according to their commercial, residential and industrial activities, and socio-urbanistic patterns. The hypothesis of city surface microbiomes being structured by socio-urbanistic variables leading to an emergence of synurbic taxa was tested. According to the r/K microbial ecology theory, a gradient of well-adapted synurbic K-strategists and of opportunistic -r-strategists should occur over city surfaces. K-strategists would be core components while r-ones would be transiently detected. To resolve these patterns, sub-catchments (n = 21) of an area of high commercial and industrial activities were investigated over three time periods covering one year. The sub-catchments' land use patterns and associated human behaviors were converted into socio-urbanistic variables and groupings. Bacterial cells mobilized by runoffs per sub-catchment were recovered, and analyzed by classical approaches, microbial source tracking DNA assays and DNA meta-barcoding approaches. Relationships between these datasets, the runoff physico-chemical properties, and descriptors of the socio-urbanistic groupings were investigated. 16S rRNA meta-barcoding analyses showed evidence of the occurrence of K- and r-like strategists. Twenty-eight core genera were identified, and correlation networks revealed large bacterial modules organized around actinobacterial taxa involved in hydrocarbon degradation processes. Other bacterial networks were related to the occurrences of hygienic wastes, and involved bacteria originating from fecal contaminations. Several r-strategists like Sulfurospirillum were recorded and found associated to point source pollutions. The tpm-metabarcoding approach deciphered these r / K strategists at the species level among more than ten genera. Nine core K-like Pseudomomas species were identified. The P. aeruginosa human opportunistic pathogen and P. syringae phytopathogens were part of these K-strategists. Other tpm-harboring bacterial pathogens showed r-like opportunistic distribution patterns. Correlation network analyses indicated a strong incidence of hygienic wastes and hydrocarbon-pollutions on tpm-harboring bacteria. These analyses demonstrated the occurrence of core synurbic bacterial K-strategists over city surfaces.
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Affiliation(s)
- Rayan Bouchali
- Université de Lyon, Université Claude Bernard Lyon 1, VetAgro Sup, UMR Ecologie Microbienne, CNRS 5557, INRAE 1418, 69280 Marcy L'Etoile, France
| | - Claire Mandon
- Université de Lyon, INSA Lyon, UMR Environnement, Ville, Société, CNRS 5600, 18 rue Chevreul, 69362 Lyon, France
| | - Romain Marti
- Université de Lyon, Université Claude Bernard Lyon 1, VetAgro Sup, UMR Ecologie Microbienne, CNRS 5557, INRAE 1418, 69280 Marcy L'Etoile, France
| | - Jérôme Michalon
- Université de Lyon, UMR Triangle, CNRS 5206 Université Jean Monnet Saint Etienne, 6 rue Basse des Rives, 42023 Saint-Etienne, France
| | - Axel Aigle
- Université de Lyon, Université Claude Bernard Lyon 1, VetAgro Sup, UMR Ecologie Microbienne, CNRS 5557, INRAE 1418, 69280 Marcy L'Etoile, France
| | - Laurence Marjolet
- Université de Lyon, Université Claude Bernard Lyon 1, VetAgro Sup, UMR Ecologie Microbienne, CNRS 5557, INRAE 1418, 69280 Marcy L'Etoile, France
| | - Sophie Vareilles
- Université de Lyon, INSA Lyon, UMR Environnement, Ville, Société, CNRS 5600, 18 rue Chevreul, 69362 Lyon, France
| | - Gislain Lipeme Kouyi
- Université de Lyon, INSA Lyon, DEEP, EA7429, 11 rue de la physique, 69621 Villeurbanne, France
| | - Philippe Polomé
- Université de Lyon, UMR GATE, CNRS 5824, Université Lumière Lyon 2, 93 chemin des Mouilles, 69131 Ecully, France
| | - Jean-Yves Toussaint
- Université de Lyon, INSA Lyon, UMR Environnement, Ville, Société, CNRS 5600, 18 rue Chevreul, 69362 Lyon, France
| | - Benoit Cournoyer
- Université de Lyon, Université Claude Bernard Lyon 1, VetAgro Sup, UMR Ecologie Microbienne, CNRS 5557, INRAE 1418, 69280 Marcy L'Etoile, France.
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Aigle A, Colin Y, Bouchali R, Bourgeois E, Marti R, Ribun S, Marjolet L, Pozzi ACM, Misery B, Colinon C, Bernardin-Souibgui C, Wiest L, Blaha D, Galia W, Cournoyer B. Spatio-temporal variations in chemical pollutants found among urban deposits match changes in thiopurine S-methyltransferase-harboring bacteria tracked by the tpm metabarcoding approach. Sci Total Environ 2021; 767:145425. [PMID: 33636795 DOI: 10.1016/j.scitotenv.2021.145425] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/02/2020] [Revised: 01/21/2021] [Accepted: 01/21/2021] [Indexed: 06/12/2023]
Abstract
The bTPMT (bacterial thiopurine S-methyltransferase), encoded by the tpm gene, can detoxify metalloid-containing oxyanions and xenobiotics. The hypothesis of significant relationships between tpm distribution patterns and chemical pollutants found in urban deposits was investigated. The tpm gene was found conserved among eight bacterial phyla with no sign of horizontal gene transfers but a predominance among gammaproteobacteria. A DNA metabarcoding approach was designed for tracking tpm-harboring bacteria among polluted urban deposits and sediments recovered for more than six years in a detention basin (DB). This DB recovers runoff waters and sediments from a zone of high commercial activities. The PCR products from DB samples led to more than 540,000 tpm reads after DADA2 or MOTHUR bio-informatic manipulations that were allocated to more than 88 and less than 634 sequence variants per sample. The tpm community patterns were significantly different between the recent urban deposits and those that had accumulated for more than 2 years in the DB, and between those of the DB surface and the DB settling pit. These groups of samples had distinct mixture of priority pollutants. Significant relationships between tpm ordination patterns, sediment accumulation time periods and location, and concentrations in PAH, chlorpyrifos, and 4-nonylphenols (NP) were observed. These correlations matched the higher occurrences of, among others, Aeromonas, Pseudomonas, and Xanthomonas tpm-harboring bacteria in recent urban DB deposits more contaminated with chrysene and alkylphenol ethoxylates. Highly significant drops in tpm reads allocated to Aeromonas species were recorded in the oldest DB sediments accumulating naphthalene and metallic pollutants. Degraders of urban pollutants such as P. aeruginosa and P. putida showed conserved distribution patterns over time but P. syringae phytopathogens were more abundant in the oldest sediments. TPMT-harboring bacteria can be used to assess the incidence of high risk priority pollutants on environmental systems.
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Affiliation(s)
- Axel Aigle
- Université de Lyon, Université Claude Bernard Lyon 1, VetAgro Sup, UMR Ecologie Microbienne, CNRS 5557, INRA 1418, Research team "Bacterial Opportunistic Pathogens and Environment", 69280 Marcy L'Etoile, France
| | - Yannick Colin
- Université de Lyon, Université Claude Bernard Lyon 1, VetAgro Sup, UMR Ecologie Microbienne, CNRS 5557, INRA 1418, Research team "Bacterial Opportunistic Pathogens and Environment", 69280 Marcy L'Etoile, France
| | - Rayan Bouchali
- Université de Lyon, Université Claude Bernard Lyon 1, VetAgro Sup, UMR Ecologie Microbienne, CNRS 5557, INRA 1418, Research team "Bacterial Opportunistic Pathogens and Environment", 69280 Marcy L'Etoile, France
| | - Emilie Bourgeois
- Université de Lyon, Université Claude Bernard Lyon 1, VetAgro Sup, UMR Ecologie Microbienne, CNRS 5557, INRA 1418, Research team "Bacterial Opportunistic Pathogens and Environment", 69280 Marcy L'Etoile, France
| | - Romain Marti
- Université de Lyon, Université Claude Bernard Lyon 1, VetAgro Sup, UMR Ecologie Microbienne, CNRS 5557, INRA 1418, Research team "Bacterial Opportunistic Pathogens and Environment", 69280 Marcy L'Etoile, France
| | - Sébastien Ribun
- Université de Lyon, Université Claude Bernard Lyon 1, VetAgro Sup, UMR Ecologie Microbienne, CNRS 5557, INRA 1418, Research team "Bacterial Opportunistic Pathogens and Environment", 69280 Marcy L'Etoile, France
| | - Laurence Marjolet
- Université de Lyon, Université Claude Bernard Lyon 1, VetAgro Sup, UMR Ecologie Microbienne, CNRS 5557, INRA 1418, Research team "Bacterial Opportunistic Pathogens and Environment", 69280 Marcy L'Etoile, France
| | - Adrien C M Pozzi
- Université de Lyon, Université Claude Bernard Lyon 1, VetAgro Sup, UMR Ecologie Microbienne, CNRS 5557, INRA 1418, Research team "Bacterial Opportunistic Pathogens and Environment", 69280 Marcy L'Etoile, France
| | - Boris Misery
- Université de Lyon, Université Claude Bernard Lyon 1, VetAgro Sup, UMR Ecologie Microbienne, CNRS 5557, INRA 1418, Research team "Bacterial Opportunistic Pathogens and Environment", 69280 Marcy L'Etoile, France
| | - Céline Colinon
- Université de Lyon, Université Claude Bernard Lyon 1, VetAgro Sup, UMR Ecologie Microbienne, CNRS 5557, INRA 1418, Research team "Bacterial Opportunistic Pathogens and Environment", 69280 Marcy L'Etoile, France
| | - Claire Bernardin-Souibgui
- Université de Lyon, Université Claude Bernard Lyon 1, VetAgro Sup, UMR Ecologie Microbienne, CNRS 5557, INRA 1418, Research team "Bacterial Opportunistic Pathogens and Environment", 69280 Marcy L'Etoile, France
| | - Laure Wiest
- Université de Lyon, Université Claude Bernard Lyon 1, Institut des Sciences Analytiques, CNRS 5280, 5 rue de la Doua, 69100 Villeurbanne, France
| | - Didier Blaha
- Université de Lyon, Université Claude Bernard Lyon 1, VetAgro Sup, UMR Ecologie Microbienne, CNRS 5557, INRA 1418, Research team "Bacterial Opportunistic Pathogens and Environment", 69280 Marcy L'Etoile, France
| | - Wessam Galia
- Université de Lyon, Université Claude Bernard Lyon 1, VetAgro Sup, UMR Ecologie Microbienne, CNRS 5557, INRA 1418, Research team "Bacterial Opportunistic Pathogens and Environment", 69280 Marcy L'Etoile, France
| | - Benoit Cournoyer
- Université de Lyon, Université Claude Bernard Lyon 1, VetAgro Sup, UMR Ecologie Microbienne, CNRS 5557, INRA 1418, Research team "Bacterial Opportunistic Pathogens and Environment", 69280 Marcy L'Etoile, France.
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Danielou M, Sarter H, Pariente B, Fumery M, Ley D, Mamona C, Barthoulot M, Charpentier C, Siproudhis L, Savoye G, Gower-Rousseau C, Andre JM, Antonietti M, Aouakli A, Armand A, Aroichane I, Assi F, Aubet JP, Auxenfants E, Ayafi-Ramelot F, Azzouzi K, Bankovski D, Barbry B, Bardoux N, Baron P, Baudet A, Bazin B, Bebahani A, Becqwort JP, Benet V, Benali H, Benguigui C, Ben Soussan E, Bental A, Berkelmans I, Bernet J, Bernou K, Bernou-Dron C, Bertot P, Bertiaux-Vandaële N, Bertrand V, Billoud E, Biron N, Bismuth B, Bleuet M, Blondel F, Blondin V, Bohon P, Boniface E, Bonnière P, Bonvarlet E, Bonvarlet P, Boruchowicz A, Bostvironnois R, Boualit M, Bouche B, Boudaillez C, Bourgeaux C, Bourgeois M, Bourguet A, Bourienne A, Branche J, Bray G, Brazier F, Breban P, Bridenne M, Brihier H, Brung-Lefebvre V, Bulois P, Burgiere P, Butel J, Canva JY, Canva-Delcambre V, Capron JP, Cardot F, Carpentier P, Cartier E, Cassar JF, Cassagnou M, Castex JF, Catala P, Cattan S, Catteau S, Caujolle B, Cayron G, Chandelier C, Chantre M, Charles J, Charneau T, Chavance-Thelu M, Chirita D, Choteau A, Claerbout JF, Clergue PY, Coevoet H, Cohen G, Collet R, Colombel JF, Coopman S, Corvisart J, Cortot A, Couttenier F, Crinquette JF, Crombe V, Dadamessi I, Dapvril V, Davion T, Dautreme S, Debas J, Degrave N, Dehont F, Delatre C, Delcenserie R, Delette O, Delgrange T, Delhoustal L, Delmotte JS, Demmane S, Deregnaucourt G, Descombes P, Desechalliers JP, Desmet P, Desreumaux P, Desseaux G, Desurmont P, Devienne A, Devouge E, Devred M, Devroux A, Dewailly A, Dharancy S, Di Fiore A, Djeddi D, Djedir R, Dreher-Duwat ML, Dubois R, Dubuque C, Ducatillon P, Duclay J, Ducrocq B, Ducrot F, Ducrotte P, Dufilho A, Duhamel C, Dujardin D, Dumant-Forest C, Dupas JL, Dupont F, Duranton Y, Duriez A, El Achkar K, El Farisi M, Elie C, Elie-Legrand MC, Elkhaki A, Eoche M, Evrard D, Evrard JP, Fatome A, Filoche B, Finet L, Flahaut M, Flamme C, Foissey D, Fournier P, Foutrein-Comes MC, Foutrein P, Fremond D, Frere T, Fumery M, Gallet P, Gamblin C, Ganga S, Gerard R, Geslin G, Gheyssens Y, Ghossini N, Ghrib S, Gilbert T, Gillet B, Godard D, Godard P, Godchaux JM, Godchaux R, Goegebeur G, Goria O, Gottrand F, Gower P, Grandmaison B, Groux M, Guedon C, Guillard JF, Guillem L, Guillemot F, Guimberd D, Haddouche B, Hakim S, Hanon D, Hautefeuille V, Heckestweiller P, Hecquet G, Hedde JP, Hellal H, Henneresse PE, Heyman B, Heraud M, Herve S, Hochain P, Houssin-Bailly L, Houcke P, Huguenin B, Iobagiu S, Ivanovic A, Iwanicki-Caron I, Janicki E, Jarry M, Jeu J, Joly JP, Jonas C, Katherin F, Kerleveo A, Khachfe A, Kiriakos A, Kiriakos J, Klein O, Kohut M, Kornhauser R, Koutsomanis D, Laberenne JE, Laffineur G, Lagarde M, Lalanne A, Lannoy P, Lapchin J, Laprand M, Laude D, Leblanc R, Lecieux P, Leclerc N, Le Couteulx C, Ledent J, Lefebvre J, Lefiliatre P, Legrand C, Le Grix A, Lelong P, Leluyer B, Lenaerts C, Lepileur L, Leplat A, Lepoutre-Dujardin E, Leroi H, Leroy MY, Lesage JP, Lesage X, Lesage J, Lescanne-Darchis I, Lescut J, Lescut D, Leurent B, Levy P, Lhermie M, Lion A, Lisambert B, Loire F, Louf S, Louvet A, Luciani M, Lucidarme D, Lugand J, Macaigne O, Maetz D, Maillard D, Mancheron H, Manolache O, Marks-Brunel AB, Marti R, Martin F, Martin G, Marzloff E, Mathurin P, Mauillon J, Maunoury V, Maupas JL, Mesnard B, Metayer P, Methari L, Meurisse B, Meurisse F, Michaud L, Mirmaran X, Modaine P, Monthe A, Morel L, Mortier PE, Moulin E, Mouterde O, Mudry J, Nachury M, N’Guyen Khac E, Notteghem B, Ollevier V, Ostyn A, Ouraghi A, Ouvry D, Paillot B, Panien-Claudot N, Paoletti C, Papazian A, Parent B, Pariente B, Paris JC, Patrier P, Paupart L, Pauwels B, Pauwels M, Petit R, Piat M, Piotte S, Plane C, Plouvier B, Pollet E, Pommelet P, Pop D, Pordes C, Pouchain G, Prades P, Prevost A, Prevost JC, Quesnel B, Queuniet AM, Quinton JF, Rabache A, Rabelle P, Raclot G, Ratajczyk S, Rault D, Razemon V, Reix N, Revillon M, Richez C, Robinson P, Rodriguez J, Roger J, Roux JM, Rudelli A, Saber A, Savoye G, Schlosseberg P, Segrestin M, Seguy D, Serin M, Seryer A, Sevenet F, Shekh N, Silvie J, Simon V, Spyckerelle C, Talbodec N, Techy A, Thelu JL, Thevenin A, Thiebault H, Thomas J, Thorel JM, Tielman G, Tode M, Toisin J, Tonnel J, Touchais JY, Touze Y, Tranvouez JL, Triplet C, Turck D, Uhlen S, Vaillant E, Valmage C, Vanco D, Vandamme H, Vanderbecq E, Vander Eecken E, Vandermolen P, Vandevenne P, Vandeville L, Vandewalle A, Vandewalle C, Vaneslander P, Vanhoove JP, Vanrenterghem A, Varlet P, Vasies I, Verbiese G, Vernier-Massouille G, Vermelle P, Verne C, Vezilier-Cocq P, Vigneron B, Vincendet M, Viot J, Voiment YM, Wacrenier A, Waeghemaecker L, Wallez JY, Wantiez M, Wartel F, Weber J, Willocquet JL, Wizla N, Wolschies E, Zalar A, Zaouri B, Zellweger A, Ziade C. Natural History of Perianal Fistulising Lesions in Patients With Elderly-onset Crohn's Disease: A Population-based Study. J Crohns Colitis 2020; 14:501-507. [PMID: 31637413 DOI: 10.1093/ecco-jcc/jjz173] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
INTRODUCTION Most studies of elderly-onset Crohn's disease [CD; diagnosed in patients aged 60 or over] have described a mild course. However, data on the natural history of perianal fistulising CD [pfCD] in this population are scarce. In a population-based cohort study, we described the prevalence, natural history, and treatment of pfCD in patients with elderly-onset CD vs patients with paediatric-onset CD. METHOD All patients diagnosed with CD at or after the age of 60 between 1988 and 2006, were included [n = 372]. Logistic regression, Cox models, and a nested case-control method were used to identify factors associated with pfCD. RESULTS A total of 34 elderly patients [9% of the 372] had pfCD at diagnosis. After a median follow-up of 6 years (interquartile range [IQR]: 3; 10), 59 patients [16%] had pfCD; the same prevalence [16%] was observed in paediatric-onset patients. At last follow-up, anal incontinence was more frequent in elderly patients with pfCD than in elderly patients without pfCD [22% vs 4%, respectively; p < 10-4]. Rectal CD at diagnosis was associated with pfCD: hazard ratio (95% confidence interval [CI] = 2.8 [1.6-5.0]). Although 37% of the patients received immunosuppressants and 17% received anti-tumour necrosis factor agents, 24% [14 out of 59] had a definitive stoma at last follow-up. CONCLUSION During the first 6 years of disease, the prevalence of pfCD was similar in elderly and paediatric patients. Rectal involvement was associated with the appearance of pfCD in elderly-onset patients. Around a quarter of patients with elderly-onset CD will have a stoma. Our results suggest that treatment with biologics should be evaluated in these patients.
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Affiliation(s)
- Marie Danielou
- Gastroenterology Unit, EPIMAD Registry, University of Rouen and Rouen University Hospital, Rouen, France
| | - Hélène Sarter
- Public Health, Epidemiology and Economic Health Unit, EPIMAD Registry, Maison Régionale de la Recherche Clinique, University of Lille and Lille University Hospital, Lille, France.,LIRIC UMR 995, Team 5, INSERM and University of Lille, Lille, France
| | - Benjamin Pariente
- Gastroenterology Unit, EPIMAD Registry, Hôpital Huriez, Lille University Hospital, Lille, France
| | - Mathurin Fumery
- Gastroenterology Unit, EPIMAD Registry, and PeriTox, UMR I-01, University of Amiens and Amiens University Hospital, Amiens, France
| | - Delphine Ley
- Division of Gastroenterology, Hepatology and Nutrition, Department of Paediatrics, Jeanne de Flandre Children's Hospital and University of Lille, Lille, France
| | - Christel Mamona
- Public Health, Epidemiology and Economic Health Unit, EPIMAD Registry, Maison Régionale de la Recherche Clinique, University of Lille and Lille University Hospital, Lille, France
| | - Maël Barthoulot
- Public Health, Epidemiology and Economic Health Unit, EPIMAD Registry, Maison Régionale de la Recherche Clinique, University of Lille and Lille University Hospital, Lille, France
| | - Cloé Charpentier
- Gastroenterology Unit, EPIMAD Registry, University of Rouen and Rouen University Hospital, Rouen, France
| | | | - Guillaume Savoye
- Gastroenterology Unit, EPIMAD Registry, University of Rouen and Rouen University Hospital, Rouen, France
| | - Corinne Gower-Rousseau
- Public Health, Epidemiology and Economic Health Unit, EPIMAD Registry, Maison Régionale de la Recherche Clinique, University of Lille and Lille University Hospital, Lille, France.,LIRIC UMR 995, Team 5, INSERM and University of Lille, Lille, France
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Pagani O, Del Grande M, Peccatori F, de Wolf C, Pruneri G, Mattei L, Richetti A, Presilla S, Sabyrbekova T, Bakirova N, Soldak T, Abdyldaev D, Abdyldaev T, Aliev I, Aralbaev R, Naizabekova S, Shaimurzaeva B, Shimkina O, Marti R, Cavalli F. Setting up breast services improvements and learning bridges in Kyrgyzstan: The SILK project. Ann Oncol 2019. [DOI: 10.1093/annonc/mdz432] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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Ghione S, Sarter H, Fumery M, Armengol-Debeir L, Savoye G, Ley D, Spyckerelle C, Pariente B, Peyrin-Biroulet L, Turck D, Gower-Rousseau C, Andre JM, Antonietti M, Aouakli A, Armand A, Aroichane I, Assi F, Aubet JP, Auxenfants E, Ayafi-Ramelot F, Bankovski D, Barbry B, Bardoux N, Baron P, Baudet A, Bazin B, Bebahani A, Becqwort JP, Benet V, Benali H, Benguigui C, Soussan BE, Bental A, Berkelmans I, Bernet J, Bernou K, Bernou-Dron C, Bertot P, Bertiaux-Vandaële N, Bertrand V, Billoud E, Biron N, Bismuth B, Bleuet M, Blondel F, Blondin V, Bohon P, Boniface E, Bonnière P, Bonvarlet E, Bonvarlet P, Boruchowicz A, Bostvironnois R, Boualit M, Bouche B, Boudaillez C, Bourgeaux C, Bourgeois M, Bourguet A, Bourienne A, Branche J, Bray G, Brazier F, Breban P, Brihier H, Brung-Lefebvre V, Bulois P, Burgiere P, Butel J, Canva JY, Canva-Delcambre V, Capron JP, Cardot F, Carpentier P, Cartier E, Cassar JF, Cassagnou M, Castex JF, Catala P, Cattan S, Catteau S, Caujolle B, Cayron G, Chandelier C, Chantre M, Charles J, Charneau T, Chavance-Thelu M, Chirita D, Choteau A, Claerbout JF, Clergue PY, Coevoet H, Cohen G, Collet R, Colombel JF, Coopman S, Corvisart J, Cortot A, Couttenier F, Crinquette JF, Crombe V, Dadamessi I, Dapvril V, Davion T, Dautreme S, Debas J, Degrave N, Dehont F, Delatre C, Delcenserie R, Delette O, Delgrange T, Delhoustal L, Delmotte JS, Demmane S, Deregnaucourt G, Descombes P, Desechalliers JP, Desmet P, Desreumaux P, Desseaux G, Desurmont P, Devienne A, Devouge E, Devred M, Devroux A, Dewailly A, Dharancy S, Di Fiore A, Djeddi D, Djedir R, Dreher-Duwat ML, Dubois R, Dubuque C, Ducatillon P, Duclay J, Ducrocq B, Ducrot F, Ducrotte P, Dufilho A, Duhamel C, Dujardin D, Dumant-Forest C, Dupas JL, Dupont F, Duranton Y, Duriez A, El Achkar K, El Farisi M, Elie C, Elie-Legrand MC, Elkhaki A, Eoche M, Evrard D, Evrard JP, Fatome A, Filoche B, Finet L, Flahaut M, Flamme C, Foissey D, Fournier P, Foutrein-Comes MC, Foutrein P, Fremond D, Frere T, Fumery M, Gallet P, Gamblin C, Ganga-Zandzou PS, Gérard R, Geslin G, Gheyssens Y, Ghossini N, Ghrib S, Gilbert T, Gillet B, Godard D, Godard P, Godchaux JM, Godchaux R, Goegebeur G, Goria O, Gottrand F, Gower P, Grandmaison B, Groux M, Guedon C, Guillard JF, Guillem L, Guillemot F, Guimber D, Haddouche B, Hakim S, Hanon D, Hautefeuille V, Heckestweiller P, Hecquet G, Hedde JP, Hellal H, Henneresse PE, Heyman B, Heraud M, Herve S, Hochain P, Houssin-Bailly L, Houcke P, Huguenin B, Iobagiu S, Ivanovic A, Iwanicki-Caron I, Janicki E, Jarry M, Jeu J, Joly JP, Jonas C, Katherin F, Kerleveo A, Khachfe A, Kiriakos A, Kiriakos J, Klein O, Kohut M, Kornhauser R, Koutsomanis D, Laberenne JE, Laffineur G, Lagarde M, Lannoy P, Lapchin J, Lapprand M, Laude D, Leblanc R, Lecieux P, Leclerc N, Le Couteulx C, Ledent J, Lefebvre J, Lefiliatre P, Legrand C, Le Grix A, Lelong P, Leluyer B, Lenaerts C, Lepileur L, Leplat A, Lepoutre-Dujardin E, Leroi H, Leroy MY, Lesage JP, Lesage X, Lesage J, Lescanne-Darchis I, Lescut J, Lescut D, Leurent B, Levy P, Lhermie M, Lion A, Lisambert B, Loire F, Louf S, Louvet A, Luciani M, Lucidarme D, Lugand J, Macaigne O, Maetz D, Maillard D, Mancheron H, Manolache O, Marks-Brunel AB, Marti R, Martin F, Martin G, Marzloff E, Mathurin P, Mauillon J, Maunoury V, Maupas JL, Mesnard B, Metayer P, Methari L, Meurisse B, Meurisse F, Michaud L, Mirmaran X, Modaine P, Monthe A, Morel L, Mortier PE, Moulin E, Mouterde O, Mudry J, Nachury M, Khac NE, Notteghem B, Ollevier V, Ostyn A, Ouraghi A, Ouvry D, Paillot B, Panien-Claudot N, Paoletti C, Papazian A, Parent B, Pariente B, Paris JC, Patrier P, Paupart L, Pauwels B, Pauwels M, Petit R, Piat M, Piotte S, Plane C, Plouvier B, Pollet E, Pommelet P, Pop D, Pordes C, Pouchain G, Prades P, Prevost A, Prevost JC, Quesnel B, Queuniet AM, Quinton JF, Rabache A, Rabelle P, Raclot G, Ratajczyk S, Rault D, Razemon V, Reix N, Revillon M, Richez C, Robinson P, Rodriguez J, Roger J, Roux JM, Rudelli A, Saber A, Savoye G, Schlosseberg P, Segrestin M, Seguy D, Serin M, Seryer A, Sevenet F, Shekh N, Silvie J, Simon V, Spyckerelle C, Talbodec N, Techy A, Thelu JL, Thevenin A, Thiebault H, Thomas J, Thorel JM, Tielman G, Tode M, Toisin J, Tonnel J, Touchais JY, Touze Y, Tranvouez JL, Triplet C, Turck D, Uhlen S, Vaillant E, Valmage C, Vanco D, Vandamme H, Vanderbecq E, Eecken VE, Vandermolen P, Vandevenne P, Vandeville L, Vandewalle A, Vandewalle C, Vaneslander P, Vanhoove JP, Vanrenterghem A, Varlet P, Vasies I, Verbiese G, Vernier-Massouille G, Vermelle P, Verne C, Vezilier-Cocq P, Vigneron B, Vincendet M, Viot J, Voiment YM, Wacrenier A, Waeghemaecker L, Wallez JY, Wantiez M, Wartel F, Weber J, Willocquet JL, Wizla N, Wolschies E, Zalar A, Zaouri B, Zellweger A, Ziade C. Dramatic Increase in Incidence of Ulcerative Colitis and Crohn's Disease (1988-2011): A Population-Based Study of French Adolescents. Am J Gastroenterol 2018; 113:265-272. [PMID: 28809388 DOI: 10.1038/ajg.2017.228] [Citation(s) in RCA: 101] [Impact Index Per Article: 16.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/02/2016] [Accepted: 06/08/2017] [Indexed: 02/07/2023]
Abstract
OBJECTIVES Few data are available to describe the changes in incidence of pediatric-onset inflammatory bowel disease (IBD). The aim of this study was to describe changes in incidence and phenotypic presentation of pediatric-onset IBD in northern France during a 24-year period. METHODS Pediatric-onset IBD (<17 years) was issued from a population-based IBD study in France between 1988 and 2011. Age groups and digestive location were defined according to the Paris classification. RESULTS 1,350 incident cases were recorded (8.3% of all IBD) including 990 Crohn's disease (CD), 326 ulcerative colitis (UC) and 34 IBD unclassified (IBDU). Median age at diagnosis was similar in CD (14.4 years (Q1=11.8-Q3=16.0)) and UC (14.0 years (11.0-16.0)) and did not change over time. There were significantly more males with CD (females/males=0.82) than UC (females/males=1.25) (P=0.0042). Median time between onset of symptoms and IBD diagnosis was consistently 3 months (1-6). Mean incidence was 4.4/105 for IBD overall (3.2 for CD, 1.1 for UC and 0.1 for IBDU). From 1988-1990 to 2009-2011, a dramatic increase in incidences of both CD and UC were observed in adolescents (10-16 years): for CD from 4.2 to 9.5/105 (+126%; P<0.001) and for UC, from 1.6 to 4.1/105 (+156%; P<0.001). No modification in age or location at diagnosis was observed in either CD or UC. CONCLUSIONS In this population-based study, CD and UC incidences increased dramatically in adolescents across a 24-year span, suggesting that one or more strong environmental factors may predispose this population to IBD.
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Affiliation(s)
- Silvia Ghione
- Division of Gastroenterology, Hepatology and Nutrition, Department of Pediatrics, Lille University Jeanne de Flandre Children's Hospital and Faculty of Medicine, Lille, France
| | - Hélène Sarter
- Public Health, Epidemiology and Economic Health, Epimad registry, Regional house of clinical research, Lille Hospital and University, Lille, France.,Lille Inflammation Research International Center LIRIC-UMR 995 Inserm-"IBD and environmental factors: epidemiology and functional analyses", Lille University, Lille, France
| | - Mathurin Fumery
- Gastroenterology Unit, Epimad registry, Amiens Hospital and University, Amiens, France
| | - Laura Armengol-Debeir
- Gastroenterology Unit, Epimad registry, Rouen Hospital and University, Rouen, France
| | - Guillaume Savoye
- Gastroenterology Unit, Epimad registry, Rouen Hospital and University, Rouen, France
| | - Delphine Ley
- Division of Gastroenterology, Hepatology and Nutrition, Department of Pediatrics, Lille University Jeanne de Flandre Children's Hospital and Faculty of Medicine, Lille, France.,Lille Inflammation Research International Center LIRIC-UMR 995 Inserm-"IBD and environmental factors: epidemiology and functional analyses", Lille University, Lille, France
| | - Claire Spyckerelle
- Department of Pediatrics, St Vincent de Paul Hospital and Lille Catholic University, Lille, France
| | - Benjamin Pariente
- Lille Inflammation Research International Center LIRIC-UMR 995 Inserm-"IBD and environmental factors: epidemiology and functional analyses", Lille University, Lille, France.,Gastroenterology Unit, Epimad registry, Lille Hospital and University, Lille, France
| | | | - Dominique Turck
- Division of Gastroenterology, Hepatology and Nutrition, Department of Pediatrics, Lille University Jeanne de Flandre Children's Hospital and Faculty of Medicine, Lille, France.,Lille Inflammation Research International Center LIRIC-UMR 995 Inserm-"IBD and environmental factors: epidemiology and functional analyses", Lille University, Lille, France
| | - Corinne Gower-Rousseau
- Public Health, Epidemiology and Economic Health, Epimad registry, Regional house of clinical research, Lille Hospital and University, Lille, France.,Lille Inflammation Research International Center LIRIC-UMR 995 Inserm-"IBD and environmental factors: epidemiology and functional analyses", Lille University, Lille, France
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Duricova D, Leroyer A, Savoye G, Sarter H, Pariente B, Aoucheta D, Armengol-Debeir L, Ley D, Turck D, Peyrin-Biroulet L, Gower-Rousseau C, Fumery M, Antonietti M, Aouakli A, Armand A, Aroichane I, Assi F, Aubet JP, Auxenfants E, Ayafi-Ramelot F, Bankovski D, Barbry B, Bardoux N, Baron P, Baudet A, Bazin B, Bebahani A, Becqwort JP, Benet V, Benali H, Benguigui C, Ben Soussan E, Bental A, Berkelmans I, Bernet J, Bernou K, Bernou-Dron C, Bertot P, Bertiaux-Vandaële N, Bertrand V, Billoud E, Biron N, Bismuth B, Bleuet M, Blondel F, Blondin V, Bohon P, Boniface E, Bonnière P, Bonvarlet E, Bonvarlet P, Boruchowicz A, Bostvironnois R, Boualit M, Bouche B, Boudaillez C, Bourgeaux C, Bourgeois M, Bourguet A, Bourienne A, Branche J, Bray G, Brazier F, Breban P, Brihier H, Brung-Lefebvre V, Bulois P, Burgiere P, Butel J, Canva JY, Canva-Delcambre V, Capron JP, Cardot F, Carpentier P, Cartier E, Cassar JF, Cassagnou M, Castex JF, Catala P, Cattan S, Catteau S, Caujolle B, Cayron G, Chandelier C, Chantre M, Charles J, Charneau T, Chavance-Thelu M, Chirita D, Choteau A, Claerbout JF, Clergue PY, Coevoet H, Cohen G, Collet R, Colombel JF, Coopman S, Corvisart J, Cortot A, Couttenier F, Crinquette JF, Crombe V, Dadamessi I, Dapvril V, Davion T, Dautreme S, Debas J, Degrave N, Dehont F, Delatre C, Delcenserie R, Delette O, Delgrange T, Delhoustal L, Delmotte JS, Demmane S, Deregnaucourt G, Descombes P, Desechalliers JP, Desmet P, Desreumaux P, Desseaux G, Desurmont P, Devienne A, Devouge E, Devred M, Devroux A, Dewailly A, Dharancy S, Di Fiore A, Djeddi D, Djedir R, Dreher-Duwat ML, Dubois R, Dubuque C, Ducatillon P, Duclay J, Ducrocq B, Ducrot F, Ducrotté P, Dufilho A, Duhamel C, Dujardin D, Dumant-Forest C, Dupas JL, Dupont F, Duranton Y, Duriez A, El Achkar K, El Farisi M, Elie C, Elie-Legrand MC, Elkhaki A, Eoche M, Evrard D, Evrard JP, Fatome A, Filoche B, Finet L, Flahaut M, Flamme C, Foissey D, Fournier P, Foutrein-Comes MC, Foutrein P, Fremond D, Frere T, Fumery M, Gallet P, Gamblin C, Ganga-Zandzou S, Gerard R, Geslin G, Gheyssens Y, Ghossini N, Ghrib S, Gilbert T, Gillet B, Godard D, Godard P, Godchaux JM, Godchaux R, Goegebeur G, Goria O, Gottrand F, Gower P, Grandmaison B, Groux M, Guedon C, Guillard JF, Guillem L, Guillemot F, Guimber D, Haddouche B, Hakim S, Hanon D, Hautefeuille V, Heckestweiller P, Hecquet G, Hedde JP, Hellal H, Henneresse PE, Heyman B, Heraud M, Herve S, Hochain P, Houssin-Bailly L, Houcke P, Huguenin B, Iobagiu S, Ivanovic A, Iwanicki-Caron I, Janicki E, Jarry M, Jeu J, Joly JP, Jonas C, Katherin F, Kerleveo A, Khachfe A, Kiriakos A, Kiriakos J, Klein O, Kohut M, Kornhauser R, Koutsomanis D, Laberenne JE, Laffineur G, Lagarde M, Lannoy P, Lapchin J, Lapprand M, Laude D, Leblanc R, Lecieux P, Leclerc N, Le Couteulx C, Ledent J, Lefebvre J, Lefiliatre P, Legrand C, Le Grix A, Lelong P, Leluyer B, Lenaerts C, Lepileur L, Leplat A, Lepoutre-Dujardin E, Leroi H, Leroy MY, Lesage JP, Lesage X, Lesage J, Lescanne-Darchis I, Lescut J, Lescut D, Leurent B, Levy P, Lhermie M, Lion A, Lisambert B, Loire F, Louf S, Louvet A, Luciani M, Lucidarme D, Lugand J, Macaigne O, Maetz D, Maillard D, Mancheron H, Manolache O, Marks-Brunel AB, Marti R, Martin F, Martin G, Marzloff E, Mathurin P, Mauillon J, Maunoury V, Maupas JL, Mesnard B, Metayer P, Methari L, Meurisse B, Meurisse F, Michaud L, Mirmaran X, Modaine P, Monthe A, Morel L, Mortier PE, Moulin E, Mouterde O, Mudry J, Nachury M, N’Guyen Khac E, Notteghem B, Ollevier V, Ostyn A, Ouraghi A, Ouvry D, Paillot B, Panien-Claudot N, Paoletti C, Papazian A, Parent B, Pariente B, Paris JC, Patrier P, Paupart L, Pauwels B, Pauwels M, Petit R, Piat M, Piotte S, Plane C, Plouvier B, Pollet E, Pommelet P, Pop D, Pordes C, Pouchain G, Prades P, Prevost A, Prevost JC, Quesnel B, Queuniet AM, Quinton JF, Rabache A, Rabelle P, Raclot G, Ratajczyk S, Rault D, Razemon V, Reix N, Revillon M, Richez C, Robinson P, Rodriguez J, Roger J, Roux JM, Rudelli A, Saber A, Savoye G, Schlosseberg P, Segrestin M, Seguy D, Serin M, Seryer A, Sevenet F, Shekh N, Silvie J, Simon V, Spyckerelle C, Talbodec N, Techy A, Thelu JL, Thevenin A, Thiebault H, Thomas J, Thorel JM, Tielman G, Tode M, Toisin J, Tonnel J, Touchais JY, Touze Y, Tranvouez JL, Triplet C, Turck D, Uhlen S, Vaillant E, Valmage C, Vanco D, Vandamme H, Vanderbecq E, Vander Eecken E, Vandermolen P, Vandevenne P, Vandeville L, Vandewalle A, Vandewalle C, Vaneslander P, Vanhoove JP, Vanrenterghem A, Varlet P, Vasies I, Verbiese G, Vernier-Massouille G, Vermelle P, Verne C, Vezilier-Cocq P, Vigneron B, Vincendet M, Viot J, Voiment YM, Wacrenier A, Waeghemaecker L, Wallez JY, Wantiez M, Wartel F, Weber J, Willocquet JL, Wizla N, Wolschies E, Zalar A, Zaouri B, Zellweger A, Ziade C. Extra-intestinal Manifestations at Diagnosis in Paediatric- and Elderly-onset Ulcerative Colitis are Associated With a More Severe Disease Outcome: A Population-based Study. J Crohns Colitis 2017; 11:1326-1334. [PMID: 28981648 DOI: 10.1093/ecco-jcc/jjx092] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/06/2017] [Accepted: 07/05/2017] [Indexed: 02/08/2023]
Abstract
BACKGROUND AND AIMS Data on extra-intestinal manifestations [EIM] and their impact on the disease course of ulcerative colitis [UC] in population-based cohorts are scarce, particularly in paediatric- and elderly-onset UC patients. The aims of this population-based study were to assess: 1] the occurrence of EIM in paediatric- and elderly-onset UC; 2] the factors associated with EIM; and 3] their impact on long-term disease outcome. METHODS Paediatric-onset [< 17 years at diagnosis] and elderly-onset UC patients [> 60 years at diagnosis] from a French prospective population-based registry [EPIMAD] were included. Data on EIM and other clinical factors at diagnosis and at maximal follow-up were collected. RESULTS In all, 158 paediatric- and 470 elderly-onset patients were included [median age at diagnosis 14.5 and 68.8 years, median follow-up 11.2 and 6.2 years, respectively]. EIM occurred in 8.9% of childhood- and 3% of elderly-onset patients at diagnosis and in 16.7% and 2.2% of individuals during follow-up [p < 0.01], respectively. The most frequent EIM was joint involvement [15.8% of paediatric onset and 2.6% of elderly-onset]. Presence of EIM at diagnosis was associated with more severe disease course [need for immunosuppressants or biologic therapy or colectomy] in both paediatric- and elderly-onset UC (hazard ratio [HR] = 2.0, 95% confidence interval [CI]: 1.0-4.2; and HR = 2.8, 0.9-7.9, respectively). Extensive colitis was another independent risk factor in both age groups. CONCLUSIONS Elderly-onset UC patients had lower risk of EIM either at diagnosis or during follow-up than paediatric-onset individuals. EIM at diagnosis predicted more severe disease outcome, including need for immunosuppressive or biologic therapy or surgery, in both paediatric- and elderly-onset UC.
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Affiliation(s)
- Dana Duricova
- Public Health, Epidemiology and Economic Health, Registre EPIMAD, Lille University and Hospital, Lille, France
| | - Ariane Leroyer
- Public Health, Epidemiology and Economic Health, Registre EPIMAD, Lille University and Hospital, Lille, France
| | - Guillaume Savoye
- Gastroenterology Unit, EPIMAD Registry, Rouen University Hospital, Rouen, France
| | - Hélène Sarter
- Public Health, Epidemiology and Economic Health, Registre EPIMAD, Lille University and Hospital, Lille, France.,Lille Inflammation Research International Center LIRIC-UMR 995 Inserm Lille 2 University, Lille, France
| | - Benjamin Pariente
- Gastroenterology Unit, Hôpital Huriez, Lille University Hospital, Lille, France
| | - Djamila Aoucheta
- Associated Medical Director, Immunology, MSD France, Courbevoie cedex, France
| | | | - Delphine Ley
- Lille Inflammation Research International Center LIRIC-UMR 995 Inserm Lille 2 University, Lille, France.,Division of Gastroenterology, Hepatology and Nutrition, Lille University Jeanne de Flandre Children's Hospital, University of Lille, Lille, France
| | - Dominique Turck
- Lille Inflammation Research International Center LIRIC-UMR 995 Inserm Lille 2 University, Lille, France.,Division of Gastroenterology, Hepatology and Nutrition, Lille University Jeanne de Flandre Children's Hospital, University of Lille, Lille, France
| | | | - Corinne Gower-Rousseau
- Public Health, Epidemiology and Economic Health, Registre EPIMAD, Lille University and Hospital, Lille, France.,Lille Inflammation Research International Center LIRIC-UMR 995 Inserm Lille 2 University, Lille, France
| | - Mathurin Fumery
- Lille Inflammation Research International Center LIRIC-UMR 995 Inserm Lille 2 University, Lille, France.,Gastroenterology Unit, EPIMAD Registry, Amiens University Hospital, Amiens, France
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Scalco R, Quinlivan R, Lucia A, Santalla A, Martinuzzi A, Toscano A, Musumeci O, Milan BS, Durmus H, Voermans N, Laforêt P, Kuhnle E, Martin M, Siciliano G, Sacconi S, Ortega X, Pinos T, Marti R, Vissing J. The EUROMAC registry for rare glycogen storage diseases: preliminary report. Neuromuscul Disord 2017. [DOI: 10.1016/j.nmd.2017.06.397] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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Tien YC, Li B, Zhang T, Scott A, Murray R, Sabourin L, Marti R, Topp E. Impact of dairy manure pre-application treatment on manure composition, soil dynamics of antibiotic resistance genes, and abundance of antibiotic-resistance genes on vegetables at harvest. Sci Total Environ 2017; 581-582:32-39. [PMID: 28076772 DOI: 10.1016/j.scitotenv.2016.12.138] [Citation(s) in RCA: 107] [Impact Index Per Article: 15.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/23/2016] [Revised: 12/19/2016] [Accepted: 12/20/2016] [Indexed: 06/06/2023]
Abstract
Manuring ground used for crop production is an important agricultural practice. Should antibiotic-resistant enteric bacteria carried in the manure be transferred to crops that are consumed raw, their consumption by humans or animals will represent a route of exposure to antibiotic resistance genes. Treatment of manures prior to land application is a potential management option to reduce the abundance of antibiotic resistance genes entrained with manure application. In this study, dairy manure that was untreated, anaerobically digested, mechanically dewatered or composted was applied to field plots that were then cropped to lettuce, carrots and radishes. The impact of treatment on manure composition, persistence of antibiotic resistance gene targets in soil following application, and distribution of antibiotic resistance genes and bacteria on vegetables at harvest was determined. Composted manure had the lowest abundance of antibiotic resistance gene targets compared to the other manures. There was no significant difference in the persistence characteristics of antibiotic resistance genes following land application of the various manures. Compared to unmanured soil, antibiotic resistance genes were detected more frequently in soil receiving raw or digested manure, whereas they were not in soil receiving composted manure. The present study suggests that vegetables grown in ground receiving raw or digested manure are at risk of contamination with manure-borne antibiotic resistant bacteria, whereas vegetables grown in ground receiving composted manure are less so.
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Affiliation(s)
- Yuan-Ching Tien
- Agriculture and Agri-Food Canada, London, ON N5V 4T3, Canada
| | - Bing Li
- Graduate School at Shenzhen, Tsinghua University, China
| | - Tong Zhang
- Environmental Biotechnology Laboratory, University of Hong Kong, Hong Kong
| | - Andrew Scott
- Agriculture and Agri-Food Canada, London, ON N5V 4T3, Canada
| | - Roger Murray
- Agriculture and Agri-Food Canada, London, ON N5V 4T3, Canada
| | - Lyne Sabourin
- Agriculture and Agri-Food Canada, London, ON N5V 4T3, Canada
| | - Romain Marti
- Agriculture and Agri-Food Canada, London, ON N5V 4T3, Canada
| | - Edward Topp
- Agriculture and Agri-Food Canada, London, ON N5V 4T3, Canada; University of Western Ontario, London, Ontario, Canada.
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Marti R, Ribun S, Aubin JB, Colinon C, Petit S, Marjolet L, Gourmelon M, Schmitt L, Breil P, Cottet M, Cournoyer B. Human-Driven Microbiological Contamination of Benthic and Hyporheic Sediments of an Intermittent Peri-Urban River Assessed from MST and 16S rRNA Genetic Structure Analyses. Front Microbiol 2017; 8:19. [PMID: 28174557 PMCID: PMC5258724 DOI: 10.3389/fmicb.2017.00019] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2016] [Accepted: 01/04/2017] [Indexed: 12/11/2022] Open
Abstract
Rivers are often challenged by fecal contaminations. The barrier effect of sediments against fecal bacteria was investigated through the use of a microbial source tracking (MST) toolbox, and by Next Generation Sequencing (NGS) of V5-V6 16S rRNA gene (rrs) sequences. Non-metric multi-dimensional scaling analysis of V5-V6 16S rRNA gene sequences differentiated bacteriomes according to their compartment of origin i.e., surface water against benthic and hyporheic sediments. Classification of these reads showed the most prevalent operating taxonomic units (OTU) to be allocated to Flavobacterium and Aquabacterium. Relative numbers of Gaiella, Haliangium, and Thermoleophilum OTU matched the observed differentiation of bacteriomes according to river compartments. OTU patterns were found impacted by combined sewer overflows (CSO) through an observed increase in diversity from the sewer to the hyporheic sediments. These changes appeared driven by direct transfers of bacterial contaminants from wastewaters but also by organic inputs favoring previously undetectable bacterial groups among sediments. These NGS datasets appeared more sensitive at tracking community changes than MST markers. The human-specific MST marker HF183 was strictly detected among CSO-impacted surface waters and not river bed sediments. The ruminant-specific DNA marker was more broadly distributed but intense bovine pollution was required to detect transfers from surface water to benthic and hyporheic sediments. Some OTU showed distribution patterns in line with these MST datasets such as those allocated to the Aeromonas, Acinetobacter, and Pseudomonas. Fecal indicators (Escherichia coli and total thermotolerant coliforms) were detected all over the river course but their concentrations were not correlated with MST ones. Overall, MST and NGS datasets suggested a poor colonization of river sediments by bovine and sewer bacterial contaminants. No environmental outbreak of these bacterial contaminants was detected.
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Affiliation(s)
- Romain Marti
- Research Group on "Bacterial Opportunistic Pathogens and Environment", UMR CNRS5557, INRA1418 Ecologie Microbienne, Université Lyon 1, VetAgro Sup Marcy L'Etoile, France
| | - Sébastien Ribun
- Research Group on "Bacterial Opportunistic Pathogens and Environment", UMR CNRS5557, INRA1418 Ecologie Microbienne, Université Lyon 1, VetAgro Sup Marcy L'Etoile, France
| | | | - Céline Colinon
- Research Group on "Bacterial Opportunistic Pathogens and Environment", UMR CNRS5557, INRA1418 Ecologie Microbienne, Université Lyon 1, VetAgro Sup Marcy L'Etoile, France
| | - Stéphanie Petit
- Research Group on "Bacterial Opportunistic Pathogens and Environment", UMR CNRS5557, INRA1418 Ecologie Microbienne, Université Lyon 1, VetAgro Sup Marcy L'Etoile, France
| | - Laurence Marjolet
- Research Group on "Bacterial Opportunistic Pathogens and Environment", UMR CNRS5557, INRA1418 Ecologie Microbienne, Université Lyon 1, VetAgro Sup Marcy L'Etoile, France
| | - Michèle Gourmelon
- Institut Français de Recherche pour l'Exploitation de la Mer (IFREMER), SG2M-Laboratoire Santé Environnement et Microbiologie, RBE Département Plouzané, France
| | - Laurent Schmitt
- LIVE 7362 Centre National de la Recherche Scientifique-ENGEES, LTER - "Zone Atelier Environnementale Urbaine" Strasbourg, France
| | - Pascal Breil
- Institut National de Recherche en Sciences et Technologies pour l'Environnement et l'Agriculture (IRSTEA), UR HHLY Villeurbanne, France
| | - Marylise Cottet
- UMR5600 "Environnement Ville Société," École Normale Supérieure de Lyon (ENS) Lyon - Descartes Lyon, France
| | - Benoit Cournoyer
- Research Group on "Bacterial Opportunistic Pathogens and Environment", UMR CNRS5557, INRA1418 Ecologie Microbienne, Université Lyon 1, VetAgro Sup Marcy L'Etoile, France
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Rahube TO, Marti R, Scott A, Tien YC, Murray R, Sabourin L, Duenk P, Lapen DR, Topp E. Persistence of antibiotic resistance and plasmid-associated genes in soil following application of sewage sludge and abundance on vegetables at harvest. Can J Microbiol 2016; 62:600-7. [PMID: 27277701 DOI: 10.1139/cjm-2016-0034] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
Abstract
Sewage sludge recovered from wastewater treatment plants contains antibiotic residues and is rich in antibiotic resistance genes, selected for and enriched in the digestive tracts of human using antibiotics. The use of sewage sludge as a crop fertilizer constitutes a potential route of human exposure to antibiotic resistance genes through consumption of contaminated crops. Several gene targets associated with antibiotic resistance (catA1, catB3, ereA, ereB, erm(B), str(A), str(B), qnrD, sul1, and mphA), mobile genetic elements (int1, mobA, IncW repA, IncP1 groups -α, -β, -δ, -γ, -ε), and bacterial 16S rRNA (rrnS) were quantified by qPCR from soil and vegetable samples obtained from unamended and sludge-amended plots at an experimental field in London, Ontario. The qPCR data reveals an increase in abundance of gene targets in the soil and vegetables samples, indicating that there is potential for additional crop exposure to antibiotic resistance genes carried within sewage sludge following field application. It is therefore advisable to allow an appropriate delay period before harvesting of vegetables for human consumption.
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Affiliation(s)
- Teddie O Rahube
- a Agriculture and Agri-Food Canada, 1391 Sandford Street, London, Ontario, Canada.,b Department of Biology and Biotechnological Sciences, Botswana International University of Science and Technology, Palapye, Botswana
| | - Romain Marti
- a Agriculture and Agri-Food Canada, 1391 Sandford Street, London, Ontario, Canada
| | - Andrew Scott
- a Agriculture and Agri-Food Canada, 1391 Sandford Street, London, Ontario, Canada
| | - Yuan-Ching Tien
- a Agriculture and Agri-Food Canada, 1391 Sandford Street, London, Ontario, Canada
| | - Roger Murray
- a Agriculture and Agri-Food Canada, 1391 Sandford Street, London, Ontario, Canada
| | - Lyne Sabourin
- a Agriculture and Agri-Food Canada, 1391 Sandford Street, London, Ontario, Canada
| | - Peter Duenk
- c Department of Biology, University of Western Ontario, London, Ontario, Canada
| | - David R Lapen
- d Agriculture and Agri-Food Canada, Ottawa, Ontario, Canada
| | - Edward Topp
- a Agriculture and Agri-Food Canada, 1391 Sandford Street, London, Ontario, Canada.,c Department of Biology, University of Western Ontario, London, Ontario, Canada
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San Millan B, Ortolano S, Teijeira S, Gamez J, Andreu A, Marti R, Navarro C. LGMD1F: A morphological study. Neuromuscul Disord 2015. [DOI: 10.1016/j.nmd.2015.06.186] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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Frey SK, Gottschall N, Wilkes G, Grégoire DS, Topp E, Pintar KDM, Sunohara M, Marti R, Lapen DR. Rainfall-induced runoff from exposed streambed sediments: an important source of water pollution. J Environ Qual 2015; 44:236-247. [PMID: 25602339 DOI: 10.2134/jeq2014.03.0122] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/04/2023]
Abstract
When surface water levels decline, exposed streambed sediments can be mobilized and washed into the water course when subjected to erosive rainfall. In this study, rainfall simulations were conducted over exposed sediments along stream banks at four distinct locations in an agriculturally dominated river basin with the objective of quantifying the potential for contaminant loading from these often overlooked runoff source areas. At each location, simulations were performed at three different sites. Nitrogen, phosphorus, sediment, fecal indicator bacteria, pathogenic bacteria, and microbial source tracking (MST) markers were examined in both prerainfall sediments and rainfall-induced runoff water. Runoff generation and sediment mobilization occurred quickly (10-150 s) after rainfall initiation. Temporal trends in runoff concentrations were highly variable within and between locations. Total runoff event loads were considered large for many pollutants considered. For instance, the maximum observed total phosphorus runoff load was on the order of 1.5 kg ha. Results also demonstrate that runoff from exposed sediments can be a source of pathogenic bacteria. spp. and spp. were present in runoff from one and three locations, respectively. Ruminant MST markers were also present in runoff from two locations, one of which hosted pasturing cattle with stream access. Overall, this study demonstrated that rainfall-induced runoff from exposed streambed sediments can be an important source of surface water pollution.
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Frey SK, Topp E, Edge T, Fall C, Gannon V, Jokinen C, Marti R, Neumann N, Ruecker N, Wilkes G, Lapen DR. Using SWAT, Bacteroidales microbial source tracking markers, and fecal indicator bacteria to predict waterborne pathogen occurrence in an agricultural watershed. Water Res 2013; 47:6326-6337. [PMID: 24079968 DOI: 10.1016/j.watres.2013.08.010] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/11/2013] [Revised: 06/25/2013] [Accepted: 08/05/2013] [Indexed: 06/02/2023]
Abstract
Developing the capability to predict pathogens in surface water is important for reducing the risk that such organisms pose to human health. In this study, three primary data source scenarios (measured stream flow and water quality, modelled stream flow and water quality, and host-associated Bacteroidales) are investigated within a Classification and Regression Tree Analysis (CART) framework for classifying pathogen (Escherichia coli 0157:H7, Salmonella, Campylobacter, Cryptosporidium, and Giardia) presence and absence (P/A) for a 178 km(2) agricultural watershed. To provide modelled data, a Soil Water Assessment Tool (SWAT) model was developed to predict stream flow, total suspended solids (TSS), total N and total P, and fecal indicator bacteria loads; however, the model was only successful for flow and total N and total P simulations, and did not accurately simulate TSS and indicator bacteria transport. Also, the SWAT model was not sensitive to an observed reduction in the cattle population within the watershed that may have resulted in significant reduction in E. coli concentrations and Salmonella detections. Results show that when combined with air temperature and precipitation, SWAT modelled stream flow and total P concentrations were useful for classifying pathogen P/A using CART methodology. From a suite of host-associated Bacteroidales markers used as independent variables in CART analysis, the ruminant marker was found to be the best initial classifier of pathogen P/A. Of the measured sources of independent variables, air temperature, precipitation, stream flow, and total P were found to be the most important variables for classifying pathogen P/A. Results indicate a close relationship between cattle pollution and pathogen occurrence in this watershed, and an especially strong link between the cattle population and Salmonella detections.
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Affiliation(s)
- Steven K Frey
- Agriculture and Agri-Food Canada, Central Experimental Farm, Ottawa, Ontario, Canada K1A 0C6.
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Kubota A, Melia M, Ortolano S, Vilchez J, Gamez J, Tanji K, Bonilla E, Palenzuela L, Fernandez-Cadenas I, Pristoupilova A, Garcia-Arumi E, Andreu A, Navarro C, Marti R, Hirano M. P.5.12 A mutation in TNPO3 causes LGMD1F and characteristic nuclear pathology. Neuromuscul Disord 2013. [DOI: 10.1016/j.nmd.2013.06.464] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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Marti R, Zhang Y, Tien YC, Lapen DR, Topp E. Assessment of a new Bacteroidales marker targeting North American beaver (Castor canadensis) fecal pollution by real-time PCR. J Microbiol Methods 2013; 95:201-6. [PMID: 23999275 DOI: 10.1016/j.mimet.2013.08.016] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2013] [Revised: 08/21/2013] [Accepted: 08/21/2013] [Indexed: 11/29/2022]
Abstract
In many settings wildlife can be a significant source of fecal pathogen input into surface water. The North American beaver (Castor canadensis) is a zoonotic reservoir for several human pathogens including Cryptosporidium spp. and Giardia spp. In order to specifically detect fecal pollution by beavers, we have developed and validated a beaver-specific Bacteroidales marker, designated Beapol01, based on the 16S rRNA gene. The marker is suitable for quantifying pollution using real-time PCR. The specificity and sensitivity of the marker was excellent, Beaver signal was detected in water of a mixed-activity watershed harbouring this rodent. Overall, Beapol01 will be useful for a better understanding of fecal source inputs in drainage basins inhabited by the beaver.
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Affiliation(s)
- Romain Marti
- Agriculture and Agri-Food Canada, 1391 Sandford Str., London, Ontario N5V 4T3, Canada
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Marti R, Gannon VPJ, Jokinen C, Lanthier M, Lapen DR, Neumann NF, Ruecker NJ, Scott A, Wilkes G, Zhang Y, Topp E. Quantitative multi-year elucidation of fecal sources of waterborne pathogen contamination in the South Nation River basin using bacteroidales microbial source tracking markers. Water Res 2013; 47:2315-2324. [PMID: 23497974 DOI: 10.1016/j.watres.2013.02.009] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/17/2012] [Revised: 01/30/2013] [Accepted: 02/02/2013] [Indexed: 06/01/2023]
Abstract
Over a seven-year period (2004-2010) 1095 water samples were obtained from the South Nation River basin at multiple watershed monitoring sites (Ontario, Canada). Real-time PCR using Bacteroidales specific markers was used to identify the origin (human (10% prevalence), ruminant (22%), pig (~2%), Canada goose (4%) and muskrat (7%)) of fecal pollution. In parallel, the distribution of fecal indicator bacteria and waterborne pathogens (Cryptosporidium oocysts, Giardia cysts, Escherichia coli O157:H7, Salmonella enterica and Campylobacter spp.) was evaluated. Associations between the detection of specific Bacteroidales markers and the presence of fecal indicator bacteria, pathogens, and distinct land use or environmental variables were evaluated. Linear correlations between Bacteroidales markers and fecal indicator bacteria were weak. However, mean marker densities, and the presence and absence of markers could be discriminated on the basis of threshold fecal indicator densities. The ruminant-specific Bacteroidales marker was the most frequently detected marker in water, consistent with the large number of dairy farms in the study area. Detection of the human or the ruminant markers were associated with a slightly higher risk of detecting S. enterica. Detection of the muskrat marker was related to more frequent Campylobacter spp. detections. Important positive associations between markers and pathogens were found among: i) total Bacteroidales and Cryptosporidium and Giardia, ii) ruminant marker and S. enterica, and iii) muskrat and Campylobacter spp.
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Affiliation(s)
- Romain Marti
- Agriculture and Agri-Food Canada, 1391 Sandford Str., London, Ontario N5V 4T3, Canada
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Topp E, Chapman R, Devers-Lamrani M, Hartmann A, Marti R, Martin-Laurent F, Sabourin L, Scott A, Sumarah M. Accelerated Biodegradation of Veterinary Antibiotics in Agricultural Soil following Long-Term Exposure, and Isolation of a Sulfamethazine-degrading sp. J Environ Qual 2013; 42:173-178. [PMID: 23673752 DOI: 10.2134/jeq2012.0162] [Citation(s) in RCA: 94] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/02/2023]
Abstract
The World Health Organization has identified antibiotic resistance as one of the top three threats to global health. There is concern that the use of antibiotics as growth promoting agents in livestock production contributes to the increasingly problematic development of antibiotic resistance. Many antibiotics are excreted at high rates, and the land application of animal manures represents a significant source of environmental exposure to these agents. To evaluate the long-term effects of antibiotic exposure on soil microbial populations, a series of field plots were established in 1999 that have since received annual applications of a mixture of sulfamethazine (SMZ), tylosin (TYL), and chlortetracycline (CTC). During the first 6 yr (1999-2004) soils were treated at concentrations of 0, 0.01 0.1, and 1.0 mg kg soil, in subsequent years at concentrations of 0, 0.1, 1.0, and 10 mg kg soil. The lower end of this concentration range is within that which would result from an annual application of manure from medicated swine. Following ten annual applications, the fate of the drugs in the soil was evaluated. Residues of SMZ and TYL, but not CTC were removed much more rapidly in soil with a history of exposure to 10 mg/kg drugs than in untreated control soil. Residues of C-SMZ were rapidly and thoroughly mineralized to CO in the historically treated soils, but not in the untreated soil. A SMZ-degrading sp. was isolated from the treated soil. Overall, these results indicate that soil bacteria adapt to long-term exposure to some veterinary antibiotics resulting in sharply reduced persistence. Accelerated biodegradation of antibiotics in matrices exposed to agricultural, wastewater, or pharmaceutical manufacturing effluents would attenuate environmental exposure to antibiotics, and merits investigation in the context of assessing potential risks of antibiotic resistance development in environmental matrices.
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Sunohara MD, Topp E, Wilkes G, Gottschall N, Neumann N, Ruecker N, Jones TH, Edge TA, Marti R, Lapen DR. Impact of riparian zone protection from cattle on nutrient, bacteria, F-coliphage, and loading of an intermittent stream. J Environ Qual 2012; 41:1301-14. [PMID: 22751075 DOI: 10.2134/jeq2011.0407] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/09/2023]
Abstract
This 5-yr study compared, via an upstream-downstream experimental design, nutrient and microbial water quality of an intermittent stream running through a small pasture (∼2.5 animals ha) where cattle are restricted from the riparian zone (restricted cattle access [RCA]) and where cattle have unrestricted access to the stream (unrestricted cattle access [URCA]). Fencing in the RCA excluded pasturing cattle to within ∼3 to 5 m of the stream. Approximately 88% (26/32) of all comparisons of mean contaminant load reduction for lower, higher, and all stream flow conditions during the 5-yr study indicated net contaminant load reductions in the RCA; for the URCA, this percentage was 38% (12/32). For all flow conditions, mean percent load reductions in the RCA for nutrients and bacteria plus F-coliphage were 24 and 23%, respectively. These respective percentages for the URCA were -9 and -57% (positive values are reductions; negative values are increases). However, potentially as a result of protected wildlife habitat in the RCA, the mean percent load reduction for for "all flow" was -321% for the RCA and 60% for the URCA; for , these respective percentages were -209% (RCA) and 73% (URCA). For "all flow" situations, mean load reductions for the RCA were significantly greater ( < 0.1) than those from the URCA for NH-N, dissolved reactive phosphorus (DRP), total coliform, , and . For "high flow" situations, mean load reductions were significantly greater for the RCA for DRP, total coliform, and . For "low flow" conditions, significantly greater mean load reductions were in favor of the RCA for DRP, total P, total coliforms, fecal coliforms, , and . In no case were mean pollutant loads in the URCA significantly higher than RCA pollutant loads. Restricting pasturing livestock to within 3 to 5 m of intermittent streams can improve water quality; however, water quality impairment can occur if livestock have unrestricted access to a stream.
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Affiliation(s)
- M D Sunohara
- Agriculture and Agri-Food Canada, Ottawa, ON, Canada
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Marti R, Zhang Y, Lapen DR, Topp E. Development and validation of a microbial source tracking marker for the detection of fecal pollution by muskrats. J Microbiol Methods 2011; 87:82-8. [DOI: 10.1016/j.mimet.2011.07.013] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2011] [Revised: 07/13/2011] [Accepted: 07/14/2011] [Indexed: 11/30/2022]
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Marti R, Mieszkin S, Solecki O, Pourcher AM, Hervio-Heath D, Gourmelon M. Effect of oxygen and temperature on the dynamic of the dominant bacterial populations of pig manure and on the persistence of pig-associated genetic markers, assessed in river water microcosms. J Appl Microbiol 2011; 111:1159-75. [PMID: 21854514 DOI: 10.1111/j.1365-2672.2011.05131.x] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
AIMS The aim is to evaluate the dynamic of Bacteroides-Prevotella and Bacillus-Streptococcus-Lactobacillus populations originating from pig manure and the persistence of pig-associated markers belonging to these groups according to temperature and oxygen. METHODS AND RESULTS River water was inoculated with pig manure and incubated under microaerophilic and aerobic conditions, at 4 and 20°C over 43 days. The diversity of bacterial populations was analysed by capillary electrophoresis-single-strand conformation polymorphism. The persistence of the pig-associated markers was measured by real-time PCR and compared with the survival of Escherichia coli and enterococci. Decay was characterized by the estimation of the time needed to produce a 1-log reduction (T90). The greatest changes were observed at 20°C under aerobic conditions, leading to a reduction in the diversity of the bacterial populations and in the concentrations of the Pig-1-Bac, Pig-2-Bac and Lactobacillus amylovorus markers with a T90 of 10·5, 8·1 and 17·2 days, respectively. CONCLUSIONS Oxygen and temperature were found to have a combined effect on the persistence of the pig-associated markers in river waters. SIGNIFICANCE AND IMPACT OF THE STUDY The persistence profiles of the Pig-1-Bac, Pig-2-Bac and Lact. amylovorus markers in addition to their high specificity and sensitivity support their use as relevant markers to identify pig faecal contamination in river waters.
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Affiliation(s)
- R Marti
- Cemagref, UR GERE, Rennes, France
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Díez Y, Oliver A, Llado X, Freixenet J, Marti J, Vilanova JC, Marti R. Revisiting Intensity-Based Image Registration Applied to Mammography. ACTA ACUST UNITED AC 2011; 15:716-25. [DOI: 10.1109/titb.2011.2151199] [Citation(s) in RCA: 31] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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25
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Jaffrezic A, Jardé E, Pourcher AM, Gourmelon M, Caprais MP, Heddadj D, Cottinet P, Bilal M, Derrien M, Marti R, Mieszkin S. Microbial and chemical markers: runoff transfer in animal manure-amended soils. J Environ Qual 2011; 40:959-968. [PMID: 21546682 DOI: 10.2134/jeq2010.0355] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/30/2023]
Abstract
Fecal contamination of water resources is evaluated by the enumeration of the fecal coliforms and Enterococci. However, the enumeration of these indicators does not allow us to differentiate between the sources of fecal contamination. Therefore, it is important to use alternative indicators of fecal contamination to identify livestock contamination in surface waters. The concentration of fecal indicators (, enteroccoci, and F-specific bacteriophages), microbiological markers (Rum-2-bac, Pig-2-bac, and ), and chemical fingerprints (sterols and stanols and other chemical compounds analyzed by 3D-fluorescence excitation-matrix spectroscopy) were determined in runoff waters generated by an artificial rainfall simulator. Three replicate plot experiments were conducted with swine slurry and cattle manure at agronomic nitrogen application rates. Low amounts of bacterial indicators (1.9-4.7%) are released in runoff water from swine-slurry-amended soils, whereas greater amounts (1.1-28.3%) of these indicators are released in runoff water from cattle-manure-amended soils. Microbial and chemical markers from animal manure were transferred to runoff water, allowing discrimination between swine and cattle fecal contamination in the environment via runoff after manure spreading. Host-specific bacterial and chemical markers were quantified for the first time in runoff waters samples after the experimental spreading of swine slurry or cattle manure.
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26
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Gourmelon M, Caprais MP, Mieszkin S, Marti R, Wéry N, Jardé E, Derrien M, Jadas-Hécart A, Communal PY, Jaffrezic A, Pourcher AM. Development of microbial and chemical MST tools to identify the origin of the faecal pollution in bathing and shellfish harvesting waters in France. Water Res 2010; 44:4812-24. [PMID: 20709349 DOI: 10.1016/j.watres.2010.07.061] [Citation(s) in RCA: 41] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/01/2010] [Revised: 06/18/2010] [Accepted: 07/20/2010] [Indexed: 05/24/2023]
Abstract
The microbiological quality of coastal or river waters can be affected by faecal pollution from human or animal sources. An efficient MST (Microbial Source Tracking) toolbox consisting of several host-specific markers would therefore be valuable for identifying the origin of the faecal pollution in the environment and thus for effective resource management and remediation. In this multidisciplinary study, after having tested some MST markers on faecal samples, we compared a selection of 17 parameters corresponding to chemical (steroid ratios, caffeine, and synthetic compounds), bacterial (host-specific Bacteroidales, Lactobacillus amylovorus and Bifidobacterium adolescentis) and viral (genotypes I-IV of F-specific bacteriophages, FRNAPH) markers on environmental water samples (n = 33; wastewater, runoff and river waters) with variable Escherichia coli concentrations. Eleven microbial and chemical parameters were finally chosen for our MST toolbox, based on their specificity for particular pollution sources represented by our samples and their detection in river waters impacted by human or animal pollution; these were: the human-specific chemical compounds caffeine, TCEP (tri(2-chloroethyl)phosphate) and benzophenone; the ratios of sitostanol/coprostanol and coprostanol/(coprostanol+24-ethylcopstanol); real-time PCR (Polymerase Chain Reaction) human-specific (HF183 and B. adolescentis), pig-specific (Pig-2-Bac and L. amylovorus) and ruminant-specific (Rum-2-Bac) markers; and human FRNAPH genogroup II.
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Affiliation(s)
- M Gourmelon
- Ifremer, EMP, Laboratoire de Microbiologie, Plouzané, France.
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Halter J, Schüpbach W, Casali C, Elhasid R, Fay K, Hammans S, Illa I, Kappeler L, Krähenbühl S, Lehmann T, Mandel H, Marti R, Mattle H, Orchard K, Savage D, Sue CM, Valcarcel D, Gratwohl A, Hirano M. Allogeneic hematopoietic SCT as treatment option for patients with mitochondrial neurogastrointestinal encephalomyopathy (MNGIE): a consensus conference proposal for a standardized approach. Bone Marrow Transplant 2010; 46:330-337. [PMID: 20436523 PMCID: PMC4578692 DOI: 10.1038/bmt.2010.100] [Citation(s) in RCA: 92] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Abstract
Allogeneic hematopoietic SCT (HSCT) has been proposed as a treatment for patients with mitochondrial neurogastrointestinal encephalomyopathy (MNGIE). HSCT has been performed in nine patients using different protocols with varying success. Based on this preliminary experience, participants of the first consensus conference propose a common approach to allogeneic HSCT in MNGIE. Standardization of the transplant protocol and the clinical and biochemical assessments will allow evaluation of the safety and efficacy of HSCT as well as optimization of therapy for patients with MNGIE.
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Affiliation(s)
- J Halter
- Department of Hematology, University Hospital Basel, Basel, Switzerland
| | - Wmm Schüpbach
- Centre d'Investigation Clinique, Fédération des Maladies du Système Nerveux & INSERM UMR 679, Pitié-Salpxêtrière Group, Paris, France.,Department of Neurology, University Hospital-Inselspital Bern, Bern, Switzerland
| | - C Casali
- Neurology, La Sapienza University, University Hospital, Rome, Italy
| | - R Elhasid
- Pediatric-Oncology, Rambam Medical Centre, Haifa, Israel
| | - K Fay
- Department of Hematology, St Vincent's Hospital, Darlinghurst, Sydney, Australia
| | - S Hammans
- Wessex Neurological Centre, Southampton University Hospital Trust, Southampton, UK
| | - I Illa
- Neurology, Hospital de la Santa Creu i Sant Pau, Universitat Autònoma de Barcelona, Barcelona, Spain
| | - L Kappeler
- Department of Neurology, University Hospital-Inselspital Bern, Bern, Switzerland
| | - S Krähenbühl
- Clinical Pharmacology and Toxicology, University Hospital Basel, Basel, Switzerland
| | - T Lehmann
- Department of Hematology, University Hospital Basel, Basel, Switzerland
| | - H Mandel
- Pediatrics, Rambam Medical Centre, Haifa, Israel
| | - R Marti
- Institut de Recerca, University Hospital Vall d'Hebron and CIBERER, Barcelona, Spain
| | - H Mattle
- Centre d'Investigation Clinique, Fédération des Maladies du Système Nerveux & INSERM UMR 679, Pitié-Salpxêtrière Group, Paris, France.,Department of Neurology, University Hospital-Inselspital Bern, Bern, Switzerland
| | - K Orchard
- Department of Haematology, University of Southampton, Southampton, UK
| | - D Savage
- Department of Haematology, Columbia University Medical Centre, New York, NY, USA
| | - C M Sue
- Department of Neurogenetics, University of Sydney Kolling Institute for Medical Research, Kolling Institute for Medical Research, Royal North Shore Hospital and University of Sydney, Sydney, Australia
| | - D Valcarcel
- Department of Hematology, Santa Creu i San Pau Hospital, Barcelona, Spain
| | - A Gratwohl
- Department of Hematology, University Hospital Basel, Basel, Switzerland
| | - M Hirano
- Department of Neurology, Columbia University Medical Centre, New York, NY, USA
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Marti-mestres G, Nielloud F, Marti R, Maillols H. Optimization with Experimental Design of Nonionic, Anionic, and Amphoteric Surfactants in a Mixed System. Drug Dev Ind Pharm 2008. [DOI: 10.3109/03639049709149152] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
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Mestres G, Niefloud F, Fortune R, Devoisselle JM, Marti R, Maillols H. Influence of Two Salicylate Components on the Particle Size of an Oil-in-Water Emulsion with Nonionic Surfactants. Drug Dev Ind Pharm 2008. [DOI: 10.3109/03639049609063237] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
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Chouraki V, Dauchet L, Merle V, Dupas JL, Lerebours E, Vernier-Massouille G, Marti R, Salomez JL, Cortot A, Gower-Rousseau C, Colombel JF. Incidence de la maladie de Crohn et de la rectocolite hémorragique dans le nord de la France de 1988 à 2005 : résultats du registre EPIMAD. Rev Epidemiol Sante Publique 2008. [DOI: 10.1016/j.respe.2008.06.120] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022] Open
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Leclère V, Marti R, Béchet M, Fickers P, Jacques P. The lipopeptides mycosubtilin and surfactin enhance spreading of Bacillus subtilis strains by their surface-active properties. Arch Microbiol 2006; 186:475-83. [PMID: 16964493 DOI: 10.1007/s00203-006-0163-z] [Citation(s) in RCA: 67] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2006] [Revised: 07/26/2006] [Accepted: 07/28/2006] [Indexed: 10/24/2022]
Abstract
The colonizing behaviour and the pellicle formation of Bacillus subtilis strains producing different families of lipopeptides were evaluated under several cultural conditions. The pattern of lipopeptides produced determined the architecture of the colony on a swarming medium as well as the flotation and the thickness of the pellicle formed at the air/liquid interface. The overproduction of mycosubtilin, a lipopeptide of the iturin family, led to increased spreading but had no effect on pellicle formation. A physico-chemical approach was developed to gain an insight into the mode of action of the biosurfactants facilitating the colonization. A relationship between surface tension of the culture medium and spreading of a lipopeptide non-producing strain, B. subtilis 168, was established. Goniometry was used to highlight the modification of the in situ wettability in the area where spreading was enhanced. On a solid medium, co-cultures of a surfactin producing with other strains showed a diffusion ring of the surfactin around the colony. This ring characterized by a higher wettability favoured the propagation of other colonies.
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Affiliation(s)
- Valérie Leclère
- ProBioGEM, Laboratoire des Procédés Biologiques, Génie Enzymatique et Microbien, Polytech'Lille, Avenue Paul Langevin, Université des Sciences & Technologies de Lille, 59655, Villeneuve d'Ascq Cedex, France
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Baron S, Turck D, Leplat C, Merle V, Gower-Rousseau C, Marti R, Yzet T, Lerebours E, Dupas JL, Debeugny S, Salomez JL, Cortot A, Colombel JF. Environmental risk factors in paediatric inflammatory bowel diseases: a population based case control study. Gut 2005; 54:357-63. [PMID: 15710983 PMCID: PMC1774426 DOI: 10.1136/gut.2004.054353] [Citation(s) in RCA: 156] [Impact Index Per Article: 8.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
BACKGROUND Environmental exposures in early life have been implicated in the aetiology of inflammatory bowel disease. OBJECTIVE To examine environmental risk factors prior to the development of inflammatory bowel disease in a paediatric population based case control study. METHODS A total of 222 incident cases of Crohn's disease and 60 incident cases of ulcerative colitis occurring before 17 years of age between January 1988 and December 1997 were matched with one control subject by sex, age, and geographical location. We recorded 140 study variables in a questionnaire that covered familial history of inflammatory bowel disease, events during the perinatal period, infant and child diet, vaccinations and childhood diseases, household amenities, and the family's socioeconomic status. RESULTS In a multivariate model, familial history of inflammatory bowel disease (odds ratio (OR) 4.3 (95% confidence interval 2.3-8)), breast feeding (OR 2.1 (1.3-3.4)), bacille Calmette-Guerin vaccination (OR 3.6 (1.1-11.9)), and history of eczema (OR 2.1 (1-4.5)) were significant risk factors for Crohn's disease whereas regular drinking of tap water was a protective factor (OR 0.56 (0.3-1)). Familial history of inflammatory bowel disease (OR 12.5 (2.2-71.4)), disease during pregnancy (OR 8.9 (1.5-52)), and bedroom sharing (OR 7.1 (1.9-27.4)) were risk factors for ulcerative colitis whereas appendicectomy was a protective factor (OR 0.06 (0.01-0.36)). CONCLUSIONS While family history and appendicectomy are known risk factors, changes in risk based on domestic promiscuity, certain vaccinations, and dietary factors may provide new aetiological clues.
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Affiliation(s)
- S Baron
- Registre des Maladies Inflammatoires Chroniques de l'Intestin (EPIMAD), Service d'Epidémiologie et de Santé Publique, Hôpital Calmette, Lille, France
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Mancuso M, Vives-Bauza C, Filosto M, Marti R, Solano A, Montoya J, Gamez J, DiMauro S, Andreu AL. A mitochondrial DNA duplication as a marker of skeletal muscle specific mutations in the mitochondrial genome. J Med Genet 2004; 41:e73. [PMID: 15173239 PMCID: PMC1735801 DOI: 10.1136/jmg.2003.012278] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
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Molinié F, Gower-Rousseau C, Yzet T, Merle V, Grandbastien B, Marti R, Lerebours E, Dupas JL, Colombel JF, Salomez JL, Cortot A. Opposite evolution in incidence of Crohn's disease and ulcerative colitis in Northern France (1988-1999). Gut 2004; 53:843-8. [PMID: 15138211 PMCID: PMC1774088 DOI: 10.1136/gut.2003.025346] [Citation(s) in RCA: 175] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 11/21/2003] [Indexed: 12/11/2022]
Abstract
BACKGROUND Northern France was characterised by a high incidence of Crohn's disease (CD) and a low incidence of ulcerative colitis (UC) according to the first inquiry undertaken in the late 1980s. AIMS To assess the trends in the incidence of inflammatory bowel disease (IBD) over a 12 year period (1988-1999) in the same area of Northern France. PATIENTS Patients living in Northern France (Nord, Pas-de-Calais, Somme, and Seine Maritime--total of 5,790,526 inhabitants) between 1988 and 1999 were included in the study. Case ascertainment was established according to methodology previously described. METHODS Trends in incidence were studied using a Poisson regression model in four three year periods (1988-90, 1991-93, 1994-96, and 1997-99) adjusted for age at diagnosis and sex. Incidence rates were standardised for age with the European standard population. RESULTS During 1988-99, 7066 cases of IBD were recorded (56.8% CD, 37.7% UC, and 5.5% indeterminate colitis). Mean annual incidence rate of CD increased from 5.2/100,000 inhabitants in 1988-90 to 6.4 in 1997-99 (adjusted p for trend <0.001). In contrast, the incidence of UC decreased from 4.2 to 3.5 (adjusted p for trend <0.001). The ileocolonic subtype of CD increased by 25% even though median age at diagnosis and frequency of digestive investigations were not different. CONCLUSIONS Contrary to what has been reported in other countries in Northern Europe, the incidence of CD increased by 23% in 12 years in Northern France while that of UC decreased by 17% during the same period. This indicates that some factors which influence IBD frequency (in both directions) are still at work in this area of Europe, and that further studies aimed at identifying these should be performed. The rising incidence of CD could enhance the burden of this disease on the public health system in France.
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Affiliation(s)
- F Molinié
- Registre des Maladies Inflammatoires Chroniques de l'Intestin (EPIMAD), Service d'Epidémiologie et de Santé Publique, Hôpital Calmette, CHR&U de Lille, 59037 Lille Cedex, France
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Alegre J, Jufresa J, Segura R, Ferrer A, Armadans L, Aleman C, Marti R, Ruiz E, Fernández de Sevilla T. Pleural-fluid myeloperoxidase in complicated and noncomplicated parapneumonic pleural effusions. Eur Respir J 2002; 19:320-5. [PMID: 11866013 DOI: 10.1183/09031936.02.00051802] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
The diagnostic accuracy of myeloperoxidase (MPO) in pleural fluid, for differentiating between complicated and noncomplicated parapneumonic pleural effusions (PPE) evaluated prospectively. Seventy patients aged >18 yrs with PPE (36 complicated and 34 noncomplicated) were studied after admission to a tertiary referral teaching hospital. MPO concentration was measured in plasma and pleural fluid using a double-antibody competitive radioimmunoassay. The concentrations of MPO in complicated and noncomplicated PPE were compared using a Mann-Whitney U-test and multiple logistic regression models were used to predict the odds that an effusion was complicated. MPO pleural-fluid concentrations were significantly higher in complicated than in noncomplicated PPE. After excluding purulent effusions, pleural-fluid MPO was the marker that best differentiated between the two types of PPE: the area under the receiver operating characteristic curve was 0.912, the sensitivity was 87.5% and the specificity was 85.1% at a cut-point limit of 3.000 microg x L(-1). The authors concluded that the concentration of pleural-fluid myeloperoxidase helps to differentiate between nonpurulent complicated and noncomplicated parapneumonic pleural effusions.
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Affiliation(s)
- J Alegre
- Dept of Internal Medicine, Vall d'Hebron General Hospital, Barcelona, Spain.
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Santiago J, Guzmàn GR, Rojas LV, Marti R, Asmar-Rovira GA, Santana LF, McNamee M, Lasalde-Dominicci JA. Probing the effects of membrane cholesterol in the Torpedo californica acetylcholine receptor and the novel lipid-exposed mutation alpha C418W in Xenopus oocytes. J Biol Chem 2001; 276:46523-32. [PMID: 11567020 DOI: 10.1074/jbc.m104563200] [Citation(s) in RCA: 65] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022] Open
Abstract
The effects of cholesterol on the ion-channel function of the Torpedo acetylcholine receptor (nAChR) and the novel lipid-exposed gain in function alpha C418W mutation have been investigated in Xenopus laevis oocytes. We found conditions to increase the cholesterol/phospholipid (C/P) molar ratio on the plasma membrane of Xenopus oocytes from 0.5 to 0.87, without significant physical damage or change in morphology to the oocytes. In addition, we developed conditions to deplete endogenous cholesterol from oocytes using a methyl-beta-cyclodextrin incubation procedure without causing membrane instability of the cells. Methyl-beta-cyclodextrin was also used to examine the reversibility of the inhibitory effect of cholesterol on AChR function. Depletion of 43% of endogenous cholesterol from oocytes (C/P = 0.3) did not show any significant change in macroscopic response of the wild type, whereas in the alpha C418W mutant the same cholesterol depletion caused a dramatic gain-in-function response of this lipid-exposed mutation in addition to the increased response caused by the mutation itself. Increasing the C/P ratio to 0.87 caused an inhibition of the macroscopic response of the Torpedo wild type of about 52%, whereas the alpha C418W mutation showed an 81% inhibition compared with the responses of control oocytes. The wild type receptor did not recover from this inhibition when the excess cholesterol was depleted to near normal C/P ratios; however, the alpha C418W mutant displayed 63% of the original current, which indicates that the inhibition of this lipid-exposed mutant was significantly reversed. The ability of the alpha C418W mutation to recover from the inhibition caused by cholesterol enrichment suggests that the interaction of cholesterol with this lipid-exposed mutation is significantly different from that of the wild type. The present data demonstrate that a single lipid-exposed position in the AChR could alter the modulatory effect of cholesterol on AChR function.
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Affiliation(s)
- J Santiago
- Department of Biology, University of Puerto Rico, P. O. Box 23360, San Juan, Puerto Rico 00931-3360, USA
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Hirano M, Marti R, Ferreiro-Barros C, Vilà MR, Tadesse S, Nishigaki Y, Nishino I, Vu TH. Defects of intergenomic communication: autosomal disorders that cause multiple deletions and depletion of mitochondrial DNA. Semin Cell Dev Biol 2001; 12:417-27. [PMID: 11735376 DOI: 10.1006/scdb.2001.0279] [Citation(s) in RCA: 77] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
Depletion and multiple deletions of mitochondrial DNA (mtDNA) have been associated with a growing number of autosomal diseases that have been classified as defects of intergenomic communication. MNGIE, an autosomal recessive disorder associated with mtDNA alterations is due to mutations in thymidine phosphorylase that may cause imbalance of the mitochondrial nucleotide pool. Subsequently, mutations in the mitochondrial proteins adenine nucleotide translocator 1, Twinkle, and polymerase gamma have been found to cause autosomal dominant progressive external ophthalmoplegia with multiple deletions of mtDNA. Uncovering the molecular bases of intergenomic communication defects will enhance our understanding of the mechanisms responsible for maintaining mtDNA integrity.
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Affiliation(s)
- M Hirano
- Department of Neurology, Columbia University College of Physicians and Surgeons, 630 West 168th Street, New York, NY 10032, USA.
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Alegre J, Jufresa J, Alemán C, Segura R, Armadans L, Marti R, Cervera C, Fernández de Sevilla T. Pleural fluid myeloperoxidase as a marker of infectious pleural effusions. Eur J Intern Med 2001; 12:357-362. [PMID: 11395299 DOI: 10.1016/s0953-6205(01)00135-2] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Background: The aim of this study was to establish the diagnostic accuracy of neutrophil markers (elastase, lysozyme, myeloperoxidase) found in pleural fluid in differentiating between infectious and non-infectious pleural effusions (PE). Methods: We studied 184 patients over 18 years of age with PE, classified as either infectious (34 complicated parapneumonic, 32 non-complicated parapneumonic, 45 tuberculous) or non-infectious (31 neoplasms and 42 undiagnosed exudates). Polymorphonuclear elastase (PMN-E) was determined using an immunoactivation method and lysozyme using a turbidimetric method. Myeloperoxidase (MPO) was measured by double antibody competitive radioimmunoassay. Receiver operating characteristic (ROC) curves were used to evaluate diagnostic accuracy. Results: Pleural fluid MPO was the biochemical marker that best differentiated between infectious and non-infectious PE. The ROC area under the curve (AUC) for myeloperoxidase was 0.86. MPO values over 550 &mgr;g/l diagnosed infectious PE with a specificity of 90.4% and a sensitivity of 77.4%. After excluding purulent parapneumonic PE, the sensitivity of a pleural MPO value >/=550 &mgr;g/l was 72.6%. Conclusions: Pleural fluid MPO was the marker that best differentiated between infectious and non-infectious PE.
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Affiliation(s)
- J Alegre
- Serveis de Medicina Interna, Bioquímica i Medicina Preventiva y Epidemiologia, Hospital General Universitari Vall d'Hebron 119-129, 08035, Barcelona, Spain
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Alegre J, Suriñach JM, Varela E, Armadans L, Marti R, Segura R, Aleman C, Falcó V, Fernandez de Sevilla T. Diagnostic accuracy of pleural fluid polymorphonuclear elastase in the differentiation between pyogenic bacterial infectious and non-infectious pleural effusions. Respiration 2000; 67:426-32. [PMID: 10940798 DOI: 10.1159/000029542] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022] Open
Abstract
BACKGROUND AND OBJECTIVES To establish the diagnostic accuracy of the markers of neutrophil activity (elastase and lysozyme) determined in pleural fluid, for differentiating between pyogenic bacterial infectious and non-infectious pleural effusions. PATIENTS AND METHODS At our tertiary referral teaching hospital, 160 patients over 14 years with pleural effusion (PE), classified as pyogenic bacterial infectious (41 parapneumonic complicated, 32 parapneumonic non-complicated) and non-infectious (32 neoplasm and 55 undiagnosed pleural exudates) were examined in a prospective study. Polymorphonuclear elastase (PMN-E) was determined by an immunoactivation method and lysozyme by a turbidimetric method. Receiver operating characteristic (ROC) curves were used to evaluate diagnostic accuracy. RESULTS Pleural fluid PMN-E was the biochemical marker that best differentiated between pyogenic bacterial infectious and non-infectious PE. The ROC area under the curve (AUC) for PMN-E was 0.8276. A PMN-E value over 230 microg/l diagnosed infectious PE with a specificity of 0.81 and a sensitivity of 0.74. The ROC AUC for proteins plus lactate dehydrogenase was 0. 7430. Differences between the two ROC curves were significant (p = 0. 032). After excluding purulent parapneumonic complicated PE, the sensitivity of a pleural fluid PMN-E value equal to or greater than 230 microg/l was 0.64 and the specificity 0.81. CONCLUSIONS Pleural fluid PMN-E was the marker that best differentiated infectious from non-infectious PE, and PMN-E values lower than 230 microg/l suggest non-infectious PE.
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Affiliation(s)
- J Alegre
- Service of Internal Medicine, General University Hospital Vall d'Hebrón, Barcelona, Spain.
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Genesca J, Segura R, Gonzalez A, Catalan R, Marti R, Torregrosa M, Cereto F, Martinez M, Esteban R, Guardia J. Nitric oxide may contribute to nocturnal hemodynamic changes in cirrhotic patients. Am J Gastroenterol 2000; 95:1539-44. [PMID: 10894593 DOI: 10.1111/j.1572-0241.2000.02092.x] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
OBJECTIVE Patients with liver cirrhosis have a nocturnal worsening of hemodynamic parameters that has been associated with an increased risk of variceal bleeding at nighttime. The aim of this study was to investigate whether nitric oxide and cytokines are implicated in these hemodynamic changes. METHODS Ten cirrhotic patients and eight controls were studied. Mean blood pressure, heart rate, plasma norepinephrine, tumor necrosis factor alpha and interleukin-6 levels, and serum nitrite + nitrate levels were determined at 0800, 1600, and 2400 h. All determinations were performed in supine rest and at least 4 h after meals. In a second study, nitrite + nitrate levels were assessed in 10 cirrhotic patients before and after eating a standard meal. RESULTS Mean arterial pressure levels that were always lower in the patient group showed a nocturnal decrease in both groups of subjects. Heart rate values that were always higher in cirrhotic patients showed a nocturnal fall in controls, whereas cirrhotics maintained elevated values at nighttime. Norepinephrine levels were higher in cirrhotics and maintained similar values during the study, whereas controls had a significant nocturnal decrease. Nitrite + nitrate levels that were higher in cirrhotic patients showed a significant mean increase of 40% from morning (0800 h) to night (2400 h) in the patient group, whereas in controls no change was observed (p < 0.05). Tumor necrosis factor alpha and interleukin-6 levels did not change either in patients or controls during the entire period. Cirrhotic patients with or without ascites maintained a pattern of hemodynamic and biochemical changes similar to the pattern observed in the entire group of patients. Finally, no changes in serum nitrite + nitrate levels were observed in patients before and after eating the standard meal. CONCLUSION An increased nocturnal nitric oxide production might contribute to the hemodynamic changes observed in cirrhotic patients during nighttime.
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Affiliation(s)
- J Genesca
- Department of Internal Medicine, Hospital General Universitari Vall d'Hebron, Barcelona, Spain
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Abstract
The clavicle fracture that has united with deformity or shortening may have an adverse effect on normal shoulder girdle function. We report on 4 patients in whom a malunited fracture of the clavicle was believed to be a contributing factor to shoulder girdle dysfunction. In each patient, the functional status of the involved limb was improved after corrective osteotomy at the site of deformity, realignment, and plate fixation.
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Affiliation(s)
- K Y Chan
- Department of Orthopedic Surgery, Massachusetts General Hospital, Boston 02114, USA
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Rolland N, Grandbastien B, Merle V, Gower-Rousseau C, Yzet T, Marti R, Lerebours E, Dupas JL, Czernichow P, Salomez JL, Lebrun T, Cortot A. [Cost of early management of chronic inflammatory intestinal disease]. Gastroenterol Clin Biol 1999; 23:483-8. [PMID: 10416112] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 02/13/2023]
Abstract
OBJECTIVES The aim of this study was to assess the cost of the first management of inflammatory bowel disease (IBD) from the onset of first symptoms until 6 weeks after the diagnosis. This cost was calculated in French francs (FF) for all IBD and namely for Crohn's disease (CD), ulcerative colitis (UC), and ulcerative proctitis (UP). MATERIAL AND METHODS Data concerning 258 patients were collected by the mean of a standardized questionnaire from 3 different sources: the patient, his general practitioner, and his gastroenterologist. RESULTS Two hundred and fifty eight patients were included: 144 CD (55.8%), 76 UC (29.5%), 30 UP (11.6%), and 8 chronic unclassifiable colitis (CUC) (3.1%). The mean direct costs of the diagnosis (m +/- SD) were 23,116 +/- 40,820 FF for CD, 10,628 +/- 17,316 FF for UC and 3,451 +/- 2,743 FF for UP. Although unplanned hospitalizations occurred in only 38% of the patients (98/258), they represented the 3/4 of the mean costs: 78.2% for CD and 64% for UC. Indirect costs generated by days off work were 4,719 +/- 6,610 FF for CD, 2,996 +/- 6,897 FF for UC and 1,230 +/- 3,622 FF for UP. CONCLUSION The first management of a patient with CD was twice more expensive than the one with UC and 6.5 times than the one with UP.
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Affiliation(s)
- N Rolland
- CRESGE-Centre de Recherches Economiques Sociologiques et de Gestion, Lille, France
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Abstract
High intensity focused ultrasound (HIFU) has been shown to be an effective method of hemostasis, in animal studies, for both solid organs and blood vessels. Two distinct effects of HIFU, thermal and mechanical, appear to contribute to hemostasis. Acoustic hemostasis may provide an effective method in surgery and prehospital settings for treating trauma and elective surgery patients. A review of the methodology is given.
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Affiliation(s)
- S Vaezy
- Department of Bioengineering, University of Washington, Box 357962, Seattle, WA 98195, USA.
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Grandbastien B, Gower-Rousseau C, Merle V, Dupas JL, Yzet T, Lerebours E, Marti R, Laine I, Cortot A, Salomez JL. [Diagnostic and therapeutic management of patients with chronic inflammatory bowel disease]. Rev Epidemiol Sante Publique 1999; 47:45-53. [PMID: 10214676] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/12/2023] Open
Abstract
BACKGROUND The period of time required for the diagnosis of a chronic illness depends on initial clinical symptoms and their perception by the patient and the physicians. The aim of this study was to describe the procedures of diagnosis of incident cases of Inflammatory Bowel Disease (IBD). METHODS Patients reported by the Registry of inflammatory bowel disease of northern France (EPIMAD) in 1994 were included. Standardized questionnaires describing clinical history, patient behavior, medical consultations and examinations were collected by an interviewer practitioner from three sources: patients, general practitioners (GP) and gastroenterologists (GE). Patients were divided in 2 groups according to the time between symptom onset and diagnosis: more than 9 months or less than 9 months (D > 9 and D < or = 9). RESULTS 258 patients were included: 144 Crohn's disease (CD) (56%), 106 ulcerative colitis (UC) (41%) and 8 chronic unclassifiable colitis (CUC). Median time between symptom onset and diagnosis was 3 months, 196 (76%) patients belonged to the group D < or = 9 and 62 (24%) to the group D > 9. There was no difference between the 2 groups for initial clinical symptoms. The delay between symptom onset and the consultation to the GP and the GE was longer in the group D > 9: respectively 1 month vs 0 and 7.6 vs 2. Thirty-five percent of patients in the group D > 9 had consulted more than one GP vs 14% (p < 0.05). Diagnosis management by the GE was the same in both groups. Patients of group D < or = 9 had more often perceived their symptoms as serious (p < 0.05). CONCLUSIONS Delay to diagnosis in a quarter of patients with IBD was more than 9 months. This later diagnosis was not due to patient management by the GE but rather to a longer delay to consulting the GP and between GP and GE referral. Patient interpretation of the symptoms could also explain the variability of this delay.
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Affiliation(s)
- B Grandbastien
- Registre des Maladies Inflammatoires Chroniques de l'Intestin du Nord-Ouest de la France (EPIMAD), Service d'Epidémiologie, Hôpital Calmette, Lille
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Genesca J, Gonzalez A, Segura R, Catalan R, Marti R, Varela E, Cadelina G, Martinez M, Lopez-Talavera JC, Esteban R, Groszmann RJ, Guardia J. Interleukin-6, nitric oxide, and the clinical and hemodynamic alterations of patients with liver cirrhosis. Am J Gastroenterol 1999; 94:169-77. [PMID: 9934750 DOI: 10.1111/j.1572-0241.1999.00790.x] [Citation(s) in RCA: 79] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
OBJECTIVE Nitric oxide has been proposed as a mediator of hyperdynamic circulation in cirrhosis. Endotoxin and cytokines induce the synthesis of nitric oxide. The aim of this study was to investigate the relationship between endotoxemia, cytokines, and nitric oxide in patients with cirrhosis, and to correlate these findings with clinical, biochemical, and hemodynamic parameters. METHODS Clinical, biochemical, and hemodynamic parameters were assessed in 66 patients with cirrhosis and 15 controls. Levels of antidiuretic hormone, plasma renin activity, aldosterone, interferon gamma, interleukin-1, interleukin-6, tumor necrosis factor alpha, endotoxin, and nitrates-nitrites were determined. RESULTS Mean arterial pressure was lower and interleukin-6, tumor necrosis factor alpha, nitrites-nitrates levels, and endotoxin positivity rates were higher in cirrhotics than in controls (p < 0.005). Mean arterial pressure decreased and interleukin-6 levels increased with worsening of Child score (p < 0.005). Patients with ascites had higher levels of interleukin-6, tumor necrosis factor alpha, and nitrates-nitrites than patients without ascites (p < 0.01). Elevated levels of interleukin-6 were found in patients with encephalopathy grade I, compared with patients without (p < 0.001); this association was independent of the severity of liver disease. In patients with low mean arterial pressure, interleukin-6 levels were higher than in patients with high mean arterial pressure (p = 0.001), whereas tumor necrosis factor alpha and nitrates-nitrites levels were not different. By multivariate analysis, high interleukin-6 levels showed independent associations with the presence of ascites, encephalopathy, and low mean arterial pressure. Only interleukin-6 levels had significant correlations with Child score, plasma renin activity, serum and urinary sodium, and mean arterial pressure (r > or = 0.4, p < 0.005). CONCLUSIONS Although the activity of the nitric oxide pathway is increased in patients with cirrhosis and might contribute to the hemodynamic alteration, other factors are involved. Interleukin-6, possibly through nitric oxide-independent mechanisms, also might play a role in the vasodilatation of cirrhosis and the pathogenesis of hepatic encephalopathy.
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Affiliation(s)
- J Genesca
- Department of Internal Medicine, Hospital General Universitari Vall d'Hebron, Barcelona, Spain
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Cortot A, Gower-Rousseau C, Marti R, Colombel JF. [Homogeneous groups of patients in Crohn's disease: reality or imagination?]. Gastroenterol Clin Biol 1998; 22:591-3. [PMID: 9762329] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 02/09/2023]
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