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Carbonetti F, Carusi V, Guidi M, David V. [Necrotizing Fasciitis: A comprehensive review]. LA CLINICA TERAPEUTICA 2017; 166:e132-9. [PMID: 25945447 DOI: 10.7417/ct.2015.1836] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Abstract
Even though necrotizing fasciitis is considered a rare disease, the spreading of the predisposing factors such as diabetes and chronic diseases, contribute to increase the incidence of this infection. Thus, how to diagnose and treat this clinical pathology, which represents an emerging need. This infection could be fatal for patients if not early diagnosed and treated and it represents a challenge both for the clinicians both for the surgeons. From this consideration was born the idea to write this review article in order to furnish to the readers a helpful tool in the management of this disease starting from its clinical and epidemiological features leading to the diagnosis, both clinical and radiological, and concluding with the treatment both medical both surgical .This article reviews literature on PubMed/MEDLINE with key words "necrotizing", "fasciitis" and "necrotizing fasciitis" from 1967 to 2014, considering all the aspects of the disease. The authors attempt to draw comparisons to their own experience managing this condition to give an Italian perspective to the condition.
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Rusen E, Diacon A, Mocanu A, Rizea F, Bucur B, Bucur MP, Radu GL, Bacalum E, Cheregi M, David V. Synthesis and retention properties of molecularly imprinted polymers for antibiotics containing a 5-nitrofuran ring. RSC Adv 2017. [DOI: 10.1039/c7ra10196a] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022] Open
Abstract
Impedimetric sensor based on molecularly imprinted polymers synthetized for antibiotics containing a 5-nitrofuran ring.
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Soponar F, Sandru M, David V. Dependence of reversed-phase liquid chromatographic retention for aripiprazole and some related chemical impurities on the main elution parameters. J LIQ CHROMATOGR R T 2016. [DOI: 10.1080/10826076.2015.1126729] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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Mouden C, Dubourg C, Carré W, Rose S, Quelin C, Akloul L, Hamdi-Rozé H, Viot G, Salhi H, Darnault P, Odent S, Dupé V, David V. Complex mode of inheritance in holoprosencephaly revealed by whole exome sequencing. Clin Genet 2016; 89:659-68. [DOI: 10.1111/cge.12722] [Citation(s) in RCA: 33] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2015] [Revised: 12/28/2015] [Accepted: 12/30/2015] [Indexed: 12/12/2022]
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Caiali E, David V, Aboul-Enein HY, Moldoveanu SC. Evaluation of the phase ratio for three C18 high performance liquid chromatographic columns. J Chromatogr A 2016; 1435:85-91. [PMID: 26818239 DOI: 10.1016/j.chroma.2016.01.043] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2015] [Revised: 01/12/2016] [Accepted: 01/14/2016] [Indexed: 11/29/2022]
Abstract
For a chromatographic column, phase ratio Φ is defined as the ratio between the volume of the stationary phase Vst and the void volume of the column V0, and it is an important parameter characterizing the HPLC process. Although apparently simple, the evaluation of Φ presents difficulties because there is no sharp boundary between the mobile phase and the stationary phase. In addition, the boundary depends not only on the nature of the stationary phase, but also on the composition of the mobile phase. In spite of its importance, phase ratio is seldom reported for commercially available HPLC columns and the data typically provided by the vendors about the columns do not provide key information that would allow the calculation of Φ based on Vst and V0 values. A different procedure for the evaluation of Φ is based on the following formula: log k'j=a log Kow,j+log Φ, where k'j is the retention factor for a compound j that must be a hydrocarbon, Kow,j is the octanol/water partition coefficient, and a is a proportionality constant. Present study describes the experimental evaluation of Φ based on the measurement of k'j for the compounds in the homologous series between benzene and butylbenzene for three C18 columns: Gemini C18, Luna C18 both with 5 μm particles, and a Chromolith Performance RP-18. The evaluation was performed for two mobile phase systems at different proportions of methanol/water and acetonitrile/water. The octanol/water partition coefficients were obtained from the literature. The results obtained in the study provide further support for the new procedure for the evaluation of phase ratio.
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Bril AT, David V, Scherer M, Jagos H, Kafka P, Sabo A. Development of a Wearable Live-feedback System to Support Partial Weight-bearing While Recovering From Lower Extremity Injuries. ACTA ACUST UNITED AC 2016. [DOI: 10.1016/j.proeng.2016.06.206] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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Jagos H, David V, Haller M, Kotzian S, Hofmann M, Schlossarek S, Eichholzer K, Winkler M, Frohner M, Reichel M, Mayr W, Rafolt D. A Framework for (Tele-) Monitoring of the Rehabilitation Progress in Stroke Patients: eHealth 2015 Special Issue. Appl Clin Inform 2015; 6:757-68. [PMID: 26767068 DOI: 10.4338/aci-2015-03-ra-0034] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2015] [Accepted: 05/12/2015] [Indexed: 11/23/2022] Open
Abstract
BACKGROUND Preservation of mobility in conjunction with an independent life style is one of the major goals of rehabilitation after stroke. OBJECTIVES The Rehab@Home framework shall support the continuation of rehabilitation at home. METHODS The framework consists of instrumented insoles, connected wirelessly to a 3G ready tablet PC, a server, and a web-interface for medical experts. The rehabilitation progress is estimated via automated analysis of movement data from standardized assessment tests which are designed according to the needs of stroke patients and executed via the tablet PC application. RESULTS The Rehab@Home framework's implementation is finished and ready for the field trial (at five patients' homes). Initial testing of the automated evaluation of the standardized mobility tests shows reproducible results. CONCLUSIONS Therefore it is assumed that the Rehab@Home framework is applicable as monitoring tool for the gait rehabilitation progress in stroke patients.
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David V, Leger P, You F, Chevalier D, Loppinet V. 245 Identifying needs in education for children aged 7–8 y and their parents. J Cyst Fibros 2015. [DOI: 10.1016/s1569-1993(15)30420-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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David V, Pougheon-Bertrand D, Vion V, Scalbert M, Dury S, Jollivet D. 252 Recognition of pulmonary exacerbation (PEX) in adult patients with CF: An educational process to overcome barriers. J Cyst Fibros 2015. [DOI: 10.1016/s1569-1993(15)30427-6] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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Leger P, David V, Le Rhun A, Chevalier D. 290 Dietary forcing and conflicts during meals for children suffering from cystic fibrosis: The psychologist's point of view. J Cyst Fibros 2015. [DOI: 10.1016/s1569-1993(15)30464-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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Moldoveanu S, David V. Estimation of the phase ratio in reversed-phase high-performance liquid chromatography. J Chromatogr A 2015; 1381:194-201. [DOI: 10.1016/j.chroma.2015.01.034] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2014] [Revised: 01/12/2015] [Accepted: 01/13/2015] [Indexed: 10/24/2022]
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Caiali E, Casoni D, Ionita P, David V, Sârbu C. PARABENS LIPOPHILICITY DETERMINATION WITH MOBILE PHASES CONTAINING LOW AND MEDIUM HYDROPHOBIC ALCOHOLS. J LIQ CHROMATOGR R T 2014. [DOI: 10.1080/10826076.2013.830270] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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Radulescu M, Kuca K, Musilek K, David V. Structural modifications of dicationic acetylcholinesterase reactivators studied under ion-pairing mechanism in reversed-phase liquid chromatography. J Sep Sci 2014; 37:3024-32. [DOI: 10.1002/jssc.201400390] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2014] [Revised: 07/14/2014] [Accepted: 08/05/2014] [Indexed: 11/09/2022]
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Morris KM, Kirby K, Beatty JA, Barrs VR, Cattley S, David V, O'Brien SJ, Menotti-Raymond M, Belov K. Development of MHC-Linked Microsatellite Markers in the Domestic Cat and Their Use to Evaluate MHC Diversity in Domestic Cats, Cheetahs, and Gir Lions. J Hered 2014; 105:493-505. [PMID: 24620003 PMCID: PMC4048552 DOI: 10.1093/jhered/esu017] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2013] [Accepted: 01/14/2014] [Indexed: 11/15/2022] Open
Abstract
Diversity within the major histocompatibility complex (MHC) reflects the immunological fitness of a population. MHC-linked microsatellite markers provide a simple and an inexpensive method for studying MHC diversity in large-scale studies. We have developed 6 MHC-linked microsatellite markers in the domestic cat and used these, in conjunction with 5 neutral microsatellites, to assess MHC diversity in domestic mixed breed (n = 129) and purebred Burmese (n = 61) cat populations in Australia. The MHC of outbred Australian cats is polymorphic (average allelic richness = 8.52), whereas the Burmese population has significantly lower MHC diversity (average allelic richness = 6.81; P < 0.01). The MHC-linked microsatellites along with MHC cloning and sequencing demonstrated moderate MHC diversity in cheetahs (n = 13) and extremely low diversity in Gir lions (n = 13). Our MHC-linked microsatellite markers have potential future use in diversity and disease studies in other populations and breeds of cats as well as in wild felid species.
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McDonald S, Clayton P, David V, Chadban S, Allen R. DCD Kidneys Are Associated With Inferior eGFR But Equivalent Outcomes to DBD Kidneys. Transplantation 2014. [DOI: 10.1097/00007890-201407151-00222] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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Richards VP, Greig TW, Fair PA, McCulloch SD, Politz C, Natoli A, Driscoll CA, Hoelzel AR, David V, Bossart GD, Lopez JV. Patterns of population structure for inshore bottlenose dolphins along the eastern United States. ACTA ACUST UNITED AC 2014; 104:765-78. [PMID: 24129993 DOI: 10.1093/jhered/est070] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
Abstract
Globally distributed, the bottlenose dolphin (Tursiops truncatus) is found in a range of offshore and coastal habitats. Using 15 microsatellite loci and mtDNA control region sequences, we investigated patterns of genetic differentiation among putative populations along the eastern US shoreline (the Indian River Lagoon, Florida, and Charleston Harbor, South Carolina) (microsatellite analyses: n = 125, mtDNA analyses: n = 132). We further utilized the mtDNA to compare these populations with those from the Northwest Atlantic, Gulf of Mexico, and Caribbean. Results showed strong differentiation among inshore, alongshore, and offshore habitats (ФST = 0.744). In addition, Bayesian clustering analyses revealed the presence of 2 genetic clusters (populations) within the 250 km Indian River Lagoon. Habitat heterogeneity is likely an important force diversifying bottlenose dolphin populations through its influence on social behavior and foraging strategy. We propose that the spatial pattern of genetic variation within the lagoon reflects both its steep longitudinal transition of climate and also its historical discontinuity and recent connection as part of Intracoastal Waterway development. These findings have important management implications as they emphasize the role of habitat and the consequence of its modification in shaping bottlenose dolphin population structure and highlight the possibility of multiple management units existing in discrete inshore habitats along the entire eastern US shoreline.
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Le Page E, David V, Laplaud D, Wardi R, Lebrun C, Deburghgraeve V, Coustans M. COPOUSEP : corticoïdes à forte dose par voie orale versus intraveineuse dans le traitement des poussées de sclérose en plaques : un essai randomisé en double insu : résultats du critère majeur d’efficacité à 1 mois. Rev Neurol (Paris) 2014. [DOI: 10.1016/j.neurol.2014.01.527] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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Marchand C, Salhi L, Le Rhun A, Ravilly S, Danner-Boucher I, Gagnayre R, David V. [Perceptions of cystic fibrosis patients, patient relatives and physicians: barriers or motivations to lung transplantation]. Rev Mal Respir 2014; 31:237-47. [PMID: 24680115 DOI: 10.1016/j.rmr.2013.06.004] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2013] [Accepted: 06/11/2013] [Indexed: 11/19/2022]
Abstract
INTRODUCTION The aims of this study are to describe qualitatively the perceptions of three groups involved in the cystic fibrosis transplant decision, looking for similarities and differences between groups, and to identify those that act as motivations or barriers to transplantation. METHODS Thirty patients, 26 patient relatives and 27 physicians were interviewed, and concept maps were constructed from those interviews. Their degree of transplant acceptance at the time of the interview was measured. RESULTS There were motivations and barriers in the pre-, peri- and post-transplant period. Analysis revealed similar perceptions regarding the risks and benefits of transplantation, but also different perceptions in the specific concerns of each group. Patients and patient relatives expressed many questions and fears in their concept maps, and physicians expressed difficulties. CONCLUSIONS This study highlights the value of better understanding the perceptions of patients, relatives and physicians, in order to remove some of the barriers to transplantation. It also demonstrates the benefits of education and support activities for patients and patient relatives prior to transplantation, and continuing education and supervision for physicians.
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Bacalum E, Galaon T, David V, Aboul-Enein HY. Retention Behavior of Some Compounds Containing Polar Functional Groups on Perfluorophenyl Silica-Based Stationary Phase. Chromatographia 2014. [DOI: 10.1007/s10337-014-2655-3] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022]
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Dubourg C, Bonnet-Brilhault F, Toutain A, Mignot C, Jacquette A, Dieux A, Gérard M, Beaumont-Epinette MP, Julia S, Isidor B, Rossi M, Odent S, Bendavid C, Barthélémy C, Verloes A, David V. Identification of Nine New RAI1-Truncating Mutations in Smith-Magenis Syndrome Patients without 17p11.2 Deletions. Mol Syndromol 2014; 5:57-64. [PMID: 24715852 DOI: 10.1159/000357359] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 01/07/2013] [Indexed: 11/19/2022] Open
Abstract
Smith-Magenis syndrome (SMS) is an intellectual disability syndrome with sleep disturbance, self-injurious behaviors and dysmorphic features. It is estimated to occur in 1/25,000 births, and in 90% of cases it is associated with interstitial deletions of chromosome 17p11.2. RAI1 (retinoic acid induced 1; OMIM 607642) mutations are the second most frequent molecular etiology, with this gene being located in the SMS locus at 17p11.2. Here, we report 9 new RAI1-truncating mutations in nonrelated individuals referred for molecular analysis due to a possible SMS diagnosis. None of these patients carried a 17p11.2 deletion. The 9 mutations include 2 nonsense mutations and 7 heterozygous frameshift mutations leading to protein truncation. All mutations map in exon 3 of RAI1 which codes for more than 98% of the protein. RAI1 regulates gene transcription, and its targets are themselves involved in transcriptional regulation, cell growth and cell cycle regulation, bone and skeletal development, lipid and glucide metabolisms, neurological development, behavioral functions, and circadian activity. We report the clinical features of the patients carrying these deleterious mutations in comparison with those of patients carrying 17p11.2 deletions.
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David V, Galaon T, Aboul-Enein HY. Effects of large volume injection of aliphatic alcohols as sample diluents on the retention of low hydrophobic solutes in reversed-phase liquid chromatography. J Chromatogr A 2014; 1323:115-22. [DOI: 10.1016/j.chroma.2013.11.014] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2013] [Revised: 10/26/2013] [Accepted: 11/08/2013] [Indexed: 10/26/2022]
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Galaon T, Vacaresteanu C, Anghel DF, David V. Simultaneous ESI-APCI(+) ionization and fragmentation pathways for nine benzodiazepines and zolpidem using single quadrupole LC-MS. Drug Test Anal 2013; 6:439-50. [DOI: 10.1002/dta.1526] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2013] [Revised: 07/17/2013] [Accepted: 07/19/2013] [Indexed: 12/23/2022]
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Moldoveanu SC, David V. Dependence of the distribution constant in liquid-liquid partition equilibria on the van der Waals molecular surface area. J Sep Sci 2013; 36:2963-78. [DOI: 10.1002/jssc.201300330] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2013] [Revised: 05/13/2013] [Accepted: 06/11/2013] [Indexed: 11/10/2022]
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Démurger F, Pasquier L, Dubourg C, Dupé V, Gicquel I, Evain C, Ratié L, Jaillard S, Beri M, Leheup B, Lespinasse J, Martin-Coignard D, Mercier S, Quelin C, Loget P, Marcorelles P, Laquerrière A, Bendavid C, Odent S, David V. Array-CGH Analysis Suggests Genetic Heterogeneity in Rhombencephalosynapsis. Mol Syndromol 2013; 4:267-72. [PMID: 24167461 DOI: 10.1159/000353878] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 05/17/2013] [Indexed: 11/19/2022] Open
Abstract
Rhombencephalosynapsis is an uncommon, but increasingly recognized, cerebellar malformation defined as vermian agenesis with fusion of the hemispheres. The embryologic and genetic mechanisms involved are still unknown, and to date, no animal models are available. In the present study, we used Agilent oligonucleotide arrays in a large series of 57 affected patients to detect candidate genes. Four different unbalanced rearrangements were detected: a 16p11.2 deletion, a 14q12q21.2 deletion, an unbalanced translocation t(2p;10q), and a 16p13.11 microdeletion containing 2 candidate genes. These genes were further investigated by sequencing and in situ hybridization. This first microarray screening of a rhombencephalosynapsis series suggests that there may be heterogeneous genetic causes.
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Hubert D, David V, Rault G, Dominique S, Mély L, Munck A. 57 Ivacaftor in French patients with cystic fibrosis and a G551D mutation in the real world setting. J Cyst Fibros 2013. [DOI: 10.1016/s1569-1993(13)60199-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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