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Saavedra J, Seguil Y. Is pancreatic steatosis a common finding in the Chilean population? Rev Gastroenterol Mex (Engl Ed) 2024:S2255-534X(24)00034-3. [PMID: 38677967 DOI: 10.1016/j.rgmxen.2024.01.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/01/2024] [Accepted: 01/10/2024] [Indexed: 04/29/2024]
Affiliation(s)
- J Saavedra
- Escuela de Medicina Humana, Universidad Privada San Juan Bautista, San Borja, Lima, Peru.
| | - Y Seguil
- Escuela de Medicina Humana, Universidad Privada San Juan Bautista, San Borja, Lima, Peru
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Herrera V, Olavarría N, Saavedra J, Yuivar Y, Bustos P, Almarza O, Mancilla M. Complete Lipopolysaccharide of Piscirickettsia salmonis Is Required for Full Virulence in the Intraperitoneally Challenged Atlantic Salmon, Salmo salar, Model. Front Cell Infect Microbiol 2022; 12:845661. [PMID: 35372121 PMCID: PMC8972169 DOI: 10.3389/fcimb.2022.845661] [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] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2021] [Accepted: 02/21/2022] [Indexed: 11/13/2022] Open
Abstract
Bacterial cell envelopes play a critical role in host-pathogen interactions. Macromolecular components of these structures have been closely linked to the virulence of pathogens. Piscirickettsia salmonis is a relevant salmonid pathogen with a worldwide distribution. This bacterium is the etiological agent of piscirickettsiosis, a septicemic disease that causes a high economic burden, especially for the Chilean salmon farming industry. Although P. salmonis has been discovered long ago, its pathogenicity and virulence mechanisms are not completely understood. In this work, we present a genetic approach for producing in-frame deletion mutants on genes related to the biosynthesis of membrane-associated polysaccharides. We provide a detailed in vitro phenotype description of knock-out mutants on wzx and wcaJ genes, which encode predicted lipopolysaccharide (LPS) flippase and undecaprenyl-phosphate glucose phosphotransferase enzymes, respectively. We exhibit evidence that the wzx mutant strain carries a defect in the probably most external LPS moiety, while the wcaJ mutant proved to be highly susceptible to the bactericidal action of serum but retained the ability of biofilm production. Beyond that, we demonstrate that the deletion of wzx, but not wcaJ, impairs the virulence of P. salmonis in an intraperitoneally infected Atlantic salmon, Salmo salar, model of piscirickettsiosis. Our findings support a role for LPS in the virulence of P. salmonis during the onset of piscirickettsiosis.
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Affiliation(s)
| | - Nicole Olavarría
- Laboratorio de Diagnóstico y Biotecnología, R & D Department, ADL Diagnostic Chile, Puerto Montt, Chile
| | - José Saavedra
- Laboratorio de Diagnóstico y Biotecnología, R & D Department, ADL Diagnostic Chile, Puerto Montt, Chile
| | - Yassef Yuivar
- Laboratorio de Diagnóstico y Biotecnología, R & D Department, ADL Diagnostic Chile, Puerto Montt, Chile
| | - Patricio Bustos
- Laboratorio de Diagnóstico y Biotecnología, R & D Department, ADL Diagnostic Chile, Puerto Montt, Chile
| | - Oscar Almarza
- Blue Genomics SpA, Puerto Varas, Chile
- *Correspondence: Oscar Almarza, ; Marcos Mancilla,
| | - Marcos Mancilla
- Laboratorio de Diagnóstico y Biotecnología, R & D Department, ADL Diagnostic Chile, Puerto Montt, Chile
- *Correspondence: Oscar Almarza, ; Marcos Mancilla,
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Grandón M, Irgang R, Saavedra J, Mancilla M, Avendaño-Herrera R. Proposed protocol for performing MIC testing to determine the antimicrobial susceptibility of Renibacterium salmoninarum in Chilean salmon farms. J Fish Dis 2021; 44:287-296. [PMID: 33075142 DOI: 10.1111/jfd.13281] [Citation(s) in RCA: 0] [Impact Index Per Article: 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: 07/07/2020] [Revised: 09/25/2020] [Accepted: 09/29/2020] [Indexed: 06/11/2023]
Abstract
Surveillance of antibiotic resistance is of paramount importance for animal welfare and production. Despite aquaculture being a main source of animal protein, studies on antibiotic susceptibility in fish pathogens are scarce. Renibacterium salmoninarum, the aetiological agent of bacterial kidney disease (BKD), is one of the most common bacterial pathogens affecting salmon farming. In this work, we present an analysis of susceptibility patterns using determinations of minimum inhibitory concentration (MIC) for 65 field isolates, which were collected over seven years (2013-2019) from Atlantic salmon (Salmo salar) and coho salmon (Oncorhynchus kisutch) farms across southern Chile. The MIC protocol described by the Clinical Laboratory Standards Institute (CLSI) was used, but with microdilution instead of macrodilution and eight instead of four days of incubation. Two laboratories independently conducted analyses to provide data on the epidemiological cut-off values for R. salmoninarum to florfenicol, oxytetracycline and erythromycin. By using two calculation methods, our results provide evidence for an evolving subpopulation of non-wild-type isolates for the macrolide erythromycin, which is consistent with the respective treatment frequencies prescribed against BKD. Contrasting with what was expected, R. salmoninarum isolates were most susceptible to florfenicol and oxytetracycline, both of which are widely used antibiotics currently used in the Chilean salmon industry. The presented findings can serve as a reference for national or international antibiotic surveillance programmes, for both MIC interpretation and to identify emerging resistance to the conventional drugs used in BKD management. Finally, our results indicate that an 8-day incubation period for establishing MIC values of R. salmoninarum should be considered in a future revision of the CLSI guidelines.
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Affiliation(s)
- Maritza Grandón
- Laboratorio de Diagnóstico y Biotecnología, ADL Diagnostic Chile, Puerto Montt, Chile
| | - Rute Irgang
- Laboratorio de Patología de Organismos Acuáticos y Biotecnología Acuícola, Facultad de Ciencias de la Vida, Universidad Andrés Bello, Viña del Mar, Chile
- Centro FONDAP, Interdisciplinary Center for Aquaculture Research (INCAR), Universidad Andrés Bello, Viña del Mar, Chile
| | - José Saavedra
- Laboratorio de Diagnóstico y Biotecnología, ADL Diagnostic Chile, Puerto Montt, Chile
| | - Marcos Mancilla
- Laboratorio de Diagnóstico y Biotecnología, ADL Diagnostic Chile, Puerto Montt, Chile
| | - Ruben Avendaño-Herrera
- Laboratorio de Patología de Organismos Acuáticos y Biotecnología Acuícola, Facultad de Ciencias de la Vida, Universidad Andrés Bello, Viña del Mar, Chile
- Centro FONDAP, Interdisciplinary Center for Aquaculture Research (INCAR), Universidad Andrés Bello, Viña del Mar, Chile
- Centro de Investigación Marina Quintay (CIMARQ), Universidad Andrés Bello, Valparaíso, Chile
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Rubio-Perez I, Saavedra J, Marijuan JL, Pascual-Miguelañez I. Optimizing sacral neuromodulation for low anterior resection syndrome: learning from our experience. Colorectal Dis 2020; 22:2146-2154. [PMID: 32657528 DOI: 10.1111/codi.15261] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [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: 04/11/2020] [Accepted: 06/30/2020] [Indexed: 12/12/2022]
Abstract
AIM The aim of this work was to review our institutional series of patients treated with sacral neuromodulation (SNM) for low anterior resection syndrome (LARS) and evaluate possible factors associated with therapeutic success. METHOD Twenty-five patients were treated with SNM for LARS between 2008 and 2019. SNM was performed as per our institutional protocol. Patients were evaluated with Wexner and LARS scores before and after SNM treatment. A visual analogue scale (1-10) was used to evaluate overall patient satisfaction with SNM. RESULTS There were significant differences between the mean LARS score values before (37.82) and after (29) SNM therapy (P < 0.004). The mean Wexner score was higher (16.24) before SNM treatment than afterwards (11.13) (P < 0.004). There was a direct relationship between the height of anastomosis and LARS score (P = 0.035): there were big changes in LARS scoring (pre-/post-SNM therapy) in patients with higher anastomoses, and vice versa. Patients who received radiotherapy scored lower in mean satisfaction (6.38) than patients without previous radiotherapy (8.22) (P = 0.008). There was an important positive association between Wexner score and patient satisfaction (P = 0.001): relevant changes in Wexner scoring after SNM therapy were associated with high patient satisfaction, and vice versa. CONCLUSION Our study showed a relationship between changes in Wexner and LARS scores before and after SNM and overall patient satisfaction with SNM therapy. These findings also suggest patients with previous radiotherapy may have worse results with SNM (based on lower overall satisfaction), and that higher anastomoses have a greater impact on the post-SNM LARS score.
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Affiliation(s)
- I Rubio-Perez
- Colorectal Surgery Unit, Department of General Surgery, Hospital Universitario La Paz, Madrid, Spain
| | - J Saavedra
- Colorectal Surgery Unit, Department of General Surgery, Hospital Universitario La Paz, Madrid, Spain
| | - J L Marijuan
- Colorectal Surgery Unit, Department of General Surgery, Hospital Universitario La Paz, Madrid, Spain
| | - I Pascual-Miguelañez
- Colorectal Surgery Unit, Department of General Surgery, Hospital Universitario La Paz, Madrid, Spain
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Saavedra J, Grandón M, Villalobos-González J, Bohle H, Bustos P, Mancilla M. Isolation, Functional Characterization and Transmissibility of p3PS10, a Multidrug Resistance Plasmid of the Fish Pathogen Piscirickettsia salmonis. Front Microbiol 2018; 9:923. [PMID: 29867834 PMCID: PMC5952111 DOI: 10.3389/fmicb.2018.00923] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [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: 10/31/2017] [Accepted: 04/20/2018] [Indexed: 12/25/2022] Open
Abstract
Antibiotic resistance is a major public health concern due to its association with the loss of efficacy of antimicrobial therapies. Horizontal transfer events may play a significant role in the dissemination of resistant bacterial phenotypes, being mobilizable plasmids a well-known mechanism. In this study, we aimed to gain insights into the genetics underlying the development of antibiotic resistance by Piscirickettsia salmonis isolates, a bacterial fish pathogen and causative agent of salmonid piscirickettsiosis, and the main target of antibiotics used in Chilean salmon farming. We provide experimental evidence that the plasmid p3PS10, which harbors multidrug resistance genes for chloramphenicol (cat2), tetracyclines [tet(31)], aminoglycosides (sat1 and aadA1), and sulfonamides (sul2), is carried by a group of P. salmonis isolates exhibiting a markedly reduced susceptibility to oxytetracycline in vitro (128–256 μg/mL of minimal inhibitory concentration, MIC). Antibiotic susceptibility analysis extended to those antibiotics showed that MIC of chloramphenicol, streptomycin, and sulfamethoxazole/trimethoprim were high, but the MIC of florfenicol remained at the wild-type level. By means of molecular cloning, we demonstrate that those genes encoding putative resistance markers are indeed functional. Interestingly, mating assays clearly show that p3PS10 is able to be transferred into and replicate in different hosts, thereby conferring phenotypes similar to those found in the original host. According to epidemiological data, this strain is distributed across aquaculture settings in southern Chile and is likely to be responsible for oxytetracycline treatment failures. This work demonstrates that P. salmonis is more versatile than it was thought, capable of horizontally transferring DNA, and probably playing a role as a vector of resistance traits among the seawater bacterial population. However, the low transmission frequency of p3PS10 suggests a negligible chance of resistance markers being spread to human pathogens.
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Affiliation(s)
- José Saavedra
- Laboratorio de Diagnóstico y Biotecnología, ADL Diagnostic Chile SpA, Puerto Montt, Chile
| | - Maritza Grandón
- Laboratorio de Diagnóstico y Biotecnología, ADL Diagnostic Chile SpA, Puerto Montt, Chile
| | | | - Harry Bohle
- Laboratorio de Diagnóstico y Biotecnología, ADL Diagnostic Chile SpA, Puerto Montt, Chile
| | - Patricio Bustos
- Laboratorio de Diagnóstico y Biotecnología, ADL Diagnostic Chile SpA, Puerto Montt, Chile
| | - Marcos Mancilla
- Laboratorio de Diagnóstico y Biotecnología, ADL Diagnostic Chile SpA, Puerto Montt, Chile
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6
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Mancilla M, Saavedra J, Grandón M, Tapia E, Navas E, Grothusen H, Bustos P. The mutagenesis of a type IV secretion system locus of Piscirickettsia salmonis leads to the attenuation of the pathogen in Atlantic salmon, Salmo salar. J Fish Dis 2018; 41:625-634. [PMID: 29251345 DOI: 10.1111/jfd.12762] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [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: 08/28/2017] [Revised: 11/06/2017] [Accepted: 11/10/2017] [Indexed: 06/07/2023]
Abstract
Piscirickettsiosis is a threatening infectious disease for the salmon industry, due to it being responsible for significant economic losses. The control of outbreaks also poses considerable environmental challenges. Despite Piscirickettsia salmonis having been discovered as the aetiological agent of the disease more than 25 years ago, its pathogenicity remains poorly understood. Among virulence factors identified so far, type four secretion systems (T4SS) seem to play a key role during the infection caused by the bacterium. We report here the genetic manipulation of P. salmonis by means of the transference of plasmid DNA in mating assays. An insertion cassette was engineered for targeting the icmB gene, which encodes a putative T4SS-ATPase and is carried by one of the chromosomal T4SS clusters found within the genome of P. salmonis PM15972A1, a virulent representative of the EM-90-like strain. The molecular characterization of the resulting mutant strain demonstrated that the insertion interrupted the target gene. Further in vitro testing of the icmB mutant showed a dramatic drop in infectivity as tested in CHSE-214 cells, which is in agreement with its attenuated behaviour observed in vivo. Altogether, our results demonstrate that, similar to other facultative intracellular pathogens, P. salmonis' virulence relies on an intact T4SS.
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Affiliation(s)
- M Mancilla
- Laboratorio de Diagnóstico y Biotecnología, ADL Diagnostic Chile, Puerto Montt, Chile
| | - J Saavedra
- Laboratorio de Diagnóstico y Biotecnología, ADL Diagnostic Chile, Puerto Montt, Chile
| | - M Grandón
- Laboratorio de Diagnóstico y Biotecnología, ADL Diagnostic Chile, Puerto Montt, Chile
| | - E Tapia
- Laboratorio de Diagnóstico y Biotecnología, ADL Diagnostic Chile, Puerto Montt, Chile
| | - E Navas
- Laboratorio de Diagnóstico y Biotecnología, ADL Diagnostic Chile, Puerto Montt, Chile
| | - H Grothusen
- Laboratorio de Diagnóstico y Biotecnología, ADL Diagnostic Chile, Puerto Montt, Chile
| | - P Bustos
- Laboratorio de Diagnóstico y Biotecnología, ADL Diagnostic Chile, Puerto Montt, Chile
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Saavedra J, Hernandez N, Osses A, Castillo A, Cancino A, Grothusen H, Navas E, Henriquez P, Bohle H, Bustamante F, Bustos P, Mancilla M. Prevalence, geographic distribution and phenotypic differences of Piscirickettsia salmonis EM-90-like isolates. J Fish Dis 2017. [PMID: 28075013 DOI: 10.1016/s0044-8486(00)00315-x] [Citation(s) in RCA: 5] [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] [Indexed: 05/12/2023]
Abstract
Early reports accounted for two main genotypes of Piscirickettsia salmonis, a fish pathogen and causative agent of piscirickettsiosis, placing the single isolate EM-90 apart from the prototypic LF-89 and related isolates. In this study, we provide evidence that, contrary to what has been supposed, the EM-90-like isolates are highly prevalent and disseminated across Chilean marine farms. Molecular analysis of 507 P. salmonis field isolates derived from main rearing areas, diverse hosts and collected over 6 years, revealed that nearly 50% of the entire collection were indeed typed as EM-90-like. Interestingly, these isolates showed a marked host preference, being recovered exclusively from Atlantic salmon (Salmo salar) samples. Although both strains produce undistinguishable pathological outcomes, differences regarding growth kinetics and susceptibility to the antibiotics and bactericidal action of serum could be identified. In sum, our results allow to conclude that the EM-90-like isolates represent an epidemiologically relevant group in the current situation of piscirickettsiosis. Based on the consistency between genotype and phenotype exhibited by this strain, we point out the need for genotypic studies that may be as important for the Chilean salmon industry as the continuous surveillance of antimicrobial susceptibility patterns.
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Affiliation(s)
- J Saavedra
- Laboratorio de Diagnóstico y Biotecnología, ADL Diagnostic Chile Ltda, Puerto Montt, Chile
| | - N Hernandez
- Laboratorio de Diagnóstico y Biotecnología, ADL Diagnostic Chile Ltda, Puerto Montt, Chile
| | - A Osses
- Laboratorio de Diagnóstico y Biotecnología, ADL Diagnostic Chile Ltda, Puerto Montt, Chile
| | - A Castillo
- Laboratorio de Diagnóstico y Biotecnología, ADL Diagnostic Chile Ltda, Puerto Montt, Chile
| | - A Cancino
- Laboratorio de Diagnóstico y Biotecnología, ADL Diagnostic Chile Ltda, Puerto Montt, Chile
| | - H Grothusen
- Laboratorio de Diagnóstico y Biotecnología, ADL Diagnostic Chile Ltda, Puerto Montt, Chile
| | - E Navas
- Laboratorio de Diagnóstico y Biotecnología, ADL Diagnostic Chile Ltda, Puerto Montt, Chile
| | - P Henriquez
- Laboratorio de Diagnóstico y Biotecnología, ADL Diagnostic Chile Ltda, Puerto Montt, Chile
| | - H Bohle
- Laboratorio de Diagnóstico y Biotecnología, ADL Diagnostic Chile Ltda, Puerto Montt, Chile
| | - F Bustamante
- Laboratorio de Diagnóstico y Biotecnología, ADL Diagnostic Chile Ltda, Puerto Montt, Chile
| | - P Bustos
- Laboratorio de Diagnóstico y Biotecnología, ADL Diagnostic Chile Ltda, Puerto Montt, Chile
| | - M Mancilla
- Laboratorio de Diagnóstico y Biotecnología, ADL Diagnostic Chile Ltda, Puerto Montt, Chile
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Saavedra J, Hernandez N, Osses A, Castillo A, Cancino A, Grothusen H, Navas E, Henriquez P, Bohle H, Bustamante F, Bustos P, Mancilla M. Prevalence, geographic distribution and phenotypic differences of Piscirickettsia salmonis EM-90-like isolates. J Fish Dis 2017; 40:1055-1063. [PMID: 28075013 DOI: 10.1111/jfd.12581] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [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: 07/18/2016] [Revised: 10/12/2016] [Accepted: 10/13/2016] [Indexed: 06/06/2023]
Abstract
Early reports accounted for two main genotypes of Piscirickettsia salmonis, a fish pathogen and causative agent of piscirickettsiosis, placing the single isolate EM-90 apart from the prototypic LF-89 and related isolates. In this study, we provide evidence that, contrary to what has been supposed, the EM-90-like isolates are highly prevalent and disseminated across Chilean marine farms. Molecular analysis of 507 P. salmonis field isolates derived from main rearing areas, diverse hosts and collected over 6 years, revealed that nearly 50% of the entire collection were indeed typed as EM-90-like. Interestingly, these isolates showed a marked host preference, being recovered exclusively from Atlantic salmon (Salmo salar) samples. Although both strains produce undistinguishable pathological outcomes, differences regarding growth kinetics and susceptibility to the antibiotics and bactericidal action of serum could be identified. In sum, our results allow to conclude that the EM-90-like isolates represent an epidemiologically relevant group in the current situation of piscirickettsiosis. Based on the consistency between genotype and phenotype exhibited by this strain, we point out the need for genotypic studies that may be as important for the Chilean salmon industry as the continuous surveillance of antimicrobial susceptibility patterns.
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Affiliation(s)
- J Saavedra
- Laboratorio de Diagnóstico y Biotecnología, ADL Diagnostic Chile Ltda, Puerto Montt, Chile
| | - N Hernandez
- Laboratorio de Diagnóstico y Biotecnología, ADL Diagnostic Chile Ltda, Puerto Montt, Chile
| | - A Osses
- Laboratorio de Diagnóstico y Biotecnología, ADL Diagnostic Chile Ltda, Puerto Montt, Chile
| | - A Castillo
- Laboratorio de Diagnóstico y Biotecnología, ADL Diagnostic Chile Ltda, Puerto Montt, Chile
| | - A Cancino
- Laboratorio de Diagnóstico y Biotecnología, ADL Diagnostic Chile Ltda, Puerto Montt, Chile
| | - H Grothusen
- Laboratorio de Diagnóstico y Biotecnología, ADL Diagnostic Chile Ltda, Puerto Montt, Chile
| | - E Navas
- Laboratorio de Diagnóstico y Biotecnología, ADL Diagnostic Chile Ltda, Puerto Montt, Chile
| | - P Henriquez
- Laboratorio de Diagnóstico y Biotecnología, ADL Diagnostic Chile Ltda, Puerto Montt, Chile
| | - H Bohle
- Laboratorio de Diagnóstico y Biotecnología, ADL Diagnostic Chile Ltda, Puerto Montt, Chile
| | - F Bustamante
- Laboratorio de Diagnóstico y Biotecnología, ADL Diagnostic Chile Ltda, Puerto Montt, Chile
| | - P Bustos
- Laboratorio de Diagnóstico y Biotecnología, ADL Diagnostic Chile Ltda, Puerto Montt, Chile
| | - M Mancilla
- Laboratorio de Diagnóstico y Biotecnología, ADL Diagnostic Chile Ltda, Puerto Montt, Chile
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Rosner A, Quattrone A, Ide S, Mata Caballero R, Aragao NFDV, Moustafa TAMER, Cordina R, Pagourelias E, Khalapyan T, Dalen H, Mc Elhinney D, Haeffele C, Chen S, Fernandes S, Bijnens B, Friedberg M, Lui GK, Skeide A, Lindberg H, Letting AS, Langsaeter E, Estensen ME, Yim D, Riesenkampff E, Seed M, Yoo SJ, Grosse-Wortmann L, Hernandez Jimenez V, Saavedra J, Molina L, Alberca Vela MT, L Pais J, Gorriz J, Navea C, Pavon I, Alonso JJ, Borgo JNV, Davoglio TA, Jesus CA, Petisco ACGP, Le Bihan DC, Barreto RBM, Assef JE, Pedra CA, Pedra SRFF, Mahfouz RAGAB, Goda MOHAMD, Gad MARWA, Ministeri M, Celermajer DS, Uebing A, Li W, Mirea O, Duchenne J, Budts W, Bogaert J, Gewillig M, Voigt JU. Moderated Posters: Congenital heart diseaseP374Classic-pattern dyssynchrony in adult patients with a Fontan circulationP375Outcome of pregnancy in patients with coarctation of aortaP376Diffuse myocardial fibrosis is not associated with decreased contractility: a magnetic resonance T1 mapping and feature tracking studyP377Cardiovascular abnormalities in patients with osteogenesis imperfecta: case-control studyP378Serial assessment of left ventricular systolic function by speckle tracking in patients with coarctation of the aorta undergoing stentingP379Longitudinal function and ventricular dyssynchrony are restored in children with pulmonary stenosis after percutaneous balloon pulmonary valvuloplastyP380Evaluation of the relationship between ventricular end-diastolic pressure and echocardiographic measures of cardiac function in adults with a Fontan circulationP381Right ventricular remodelling after percutaneaous pulmonary valve replacement in corrected tetralogy of Fallot with severe pulmonary regurgitation.Time matters. Eur Heart J Cardiovasc Imaging 2016. [DOI: 10.1093/ehjci/jew241] [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] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
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Savelev A, Moscicki R, Mata Caballero R, Jacobs J, Popa OA, Siliste RN, Rivin AE, Rud SD, Climent V, Feliu E, Vicedo A, Saavedra J, Lopez Pais J, Molina L, Gorriz J, Hernandez Jimenez V, Perea J, Forteza A, Esteban C, Alonso Martin J, Van Berendoncks AM, Van Herck JL, Vergauwen W, Spinhoven MJ, Lauwers P, Tjalma WA, Dorobantu L, Chioncel O, Stiru O, Herlea V, Bulescu C, Lacau S, Iliescu V, Ginghina C, Ciudin R, Ciomag R, Homentcovschi C, Saguna C, Spataru D. Clinical Cases: Masses, tumors and source of embolism82A case of right atrial diverticulum initially diagnosed in 58 years old female patient83Unusual cardiac mass84A very rare cardiac mass in the right atrium85A rare cause of syncope: intravenous leiomyomatosis with cardiac extension86Left ventricular myxoma- a rare finding87Mediastinal masses and a left atrial tumor: are they related? -the role of multimodal imaging in the diagnosis and the management of the patient. Eur Heart J Cardiovasc Imaging 2016. [DOI: 10.1093/ehjci/jew231] [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] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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Jung IH, Kurnicka K, Enache R, Nagy AI, Martins E, Cereda A, Vitiello G, Magda SL, Styczynski G, Lo Iudice F, De Barros Viegas H, Shahab F, Trunina I, Mata Caballero R, De Barros Viegas H, Marques A, Shimoni S, Generati G, Generati G, Bendix Salkvist Jorgensen T, Chen TE, Andrianova A, Fernandez-Golfin C, Corneli MC, Ali M, Seo HS, Kim MJ, Lichodziejewska B, Goliszek S, Dzikowska-Diduch O, Zdonczyk O, Kozlowska M, Kostrubiec M, Ciurzynski M, Palczewski P, Pruszczyk P, Popa E, Coman IM, Badea R, Platon P, Calin A, Beladan CC, Rosca M, Ginghina C, Popescu BA, Jurcut R, Venkateshvaran AI, Sola SC, Govind SC, Dash PK, Lund L, Manouras AI, Merkely B, Magne J, Aboyans V, Boulogne C, Lavergne D, Jaccard A, Mohty D, Casadei F, Spano F, Santambrogio G, Musca F, Belli O, De Chiara B, Bokor D, Giannattasio C, Corradi E, Colombo CA, Moreo A, Vicario ML, Castellani S, Cammelli D, Gallini C, Needleman L, Cruz BK, Maggi E, Marchionni N, Bratu VD, Mincu RI, Mihai CM, Gherghe AM, Florescu M, Cinteza M, Vinereanu D, Sobieraj P, Bielicki P, Krenke R, Szmigielski CA, Petitto M, Ferrone M, Esposito R, Vaccaro A, Buonauro A, Trimarco B, Galderisi M, Mendes L, Dores H, Melo I, Madeira V, Patinha J, Encarnacao C, Ferreia Santos J, Habib F, Soesanto AM, Sedyawan J, Abdurrazak G, Sharykin A, Popova NE, Karelina EV, Telezhnikova ND, Hernandez Jimenez V, Saavedra J, Molina L, Alberca MT, Gorriz J, L Pais J, Pavon I, Navea C, Alonso JJ, Mendes L, Sonia S, Madeira V, Encarnacao C, Patinha J, Melo I, Ferreia Santos J, Cruz I, Joao I, Gomes AC, Caldeira D, Lopes L, Fazendas P, Pereira H, Edri O, Edri O, Schneider N, Schneider N, Abaye N, Abaye N, Goerge J, Goerge J, Gandelman G, Gandelman G, Bandera F, Alfonzetti E, Guazzi M, Bandera F, Villani S, Ferraro O, Alfonzetti E, Guazzi M, Ramberg E, Bhardwaj P, Nepper ML, Binko TS, Olausson M, Fink-Jensen T, Andersen AM, Roland J, Gleerup Fornitz G, Ong K, Suri RM, Enrique-Sarano M, Michelena HI, Burkhart HM, Gillespie SM, Cha S, Mankad SV, Saidova MA, Bolotova MN, Salido Tahoces L, Izurieta C, Villareal G, Esteban A, Urena Vacas A, Ayala A, Jimenez Nacher JJ, Hinojar Baydes R, Gonzalez Gomez A, Garcia A, Mestre JL, Hernandez Antolin R, Zamorano Gomez JJ, Perea G, Covelli Y, Henquin R, Ronderos R, Hepinstall MJ, Cassidy CS, Pellikka PA, Pislaru SV, Kane G. P569Diastolic dyssynchrony is associated with exercise intolerance in hypertensive patients with left ventricular hypertrophyP570Echocardiographic pattern of acute pulmonary embolism, analysis of consecutive 511 patientsP571Clinical significance of ventricular interdependence and left ventricular function in patients with pulmonary hypertension receiving specific vasodilator therapyP572Haemodynamic characteristics and ventricular mechanics in post-capillary and combined pre- and post-capillary pulmonary hypertensionP573Relationship between hematological response and echocardiographic features in patients with light chains systemic amyloidosisP574Myocardial changes in patients with anorexia nervosaP575Giant cell arteritis presenting as fever of unknown origin: role of clinical history, early positron emission tomography and ultrasound screeningP576Subclinical systolic dysfunction in systemic sclerosis is not influenced by standard rheumatologic therapy - a 4D echocardiographic studyP577Cardiac index correlates with the degree of hepatic steathosis in obese patients with obstructive sleep apneaP578Myocardial mechanics in top-level endurance athletes: a three-dimensional speckle tracking studyP579The athlete heart: what happens to myocardial deformation in physiological adaptation to sportsP580Association between left ventricle intrinsic function and urine protein-creatinine ratio in preeclampsia before and after deliveryP581Dilatation of the aorta in children with bicuspid aortic valveP582Cardiovascular functional abnormalities in patients with osteogenesis imperfectaP583Dobutamine stress test fast protocol: diagnostic accuracy and securityP584Prognostic value of non-positive exercise echocardiography in the patients submitted to percutaneous coronary interventionP585The use of myocardial strain imaging in the detection of coronary artery disease during stress echocardiographyP586Preserved O2 extraction exercise response in heart failure patients with chronotropic insufficiency: evidence for a central cardiac rather than peripheral oxygen uptake limitationP587Major determinant of O2 artero-venous difference at peak exercise in heart failure and healthy subjectsP588Stress echocardiography with contrast perfusion analysis for a more sensitive test for ischemic heart diseaseP589Assessment of mitral annular physiology in myxomatous mitral disease with 3D transesophageal echocardiography: comparison between early severe mitral regurgitation and decompensated groupP590Three-dimensional transesophageal echocardiographic assessment of the mitral valve geometry in patients with mild, moderate and severe chronic ischemic mitral regurgitationP591Left atrial appendage closure. Multimodality imaging in device size selectionP592Contributions of three-dimensional transesophageal echocardiography in the evaluation of aortic atherosclerotic plaquesP593Agitated blood-saline is superior to agitated air-saline for echocardiographic shunt studies. Eur Heart J Cardiovasc Imaging 2016; 17:ii102-ii109. [DOI: 10.1093/ehjci/jew248.002] [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] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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Fields D, Czerkies L, Sun S, Storm H, Saavedra J, Sorensen R. A Randomized Controlled Trial Assessing Growth of Infants Fed a 100% Whey Extensively Hydrolyzed Formula Compared With a Casein-Based Extensively Hydrolyzed Formula. Glob Pediatr Health 2016; 3:2333794X16636613. [PMID: 27336009 PMCID: PMC4905054 DOI: 10.1177/2333794x16636613] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [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: 01/20/2016] [Revised: 01/20/2016] [Accepted: 01/30/2016] [Indexed: 11/30/2022] Open
Abstract
This study compared the growth of healthy infants fed a hypoallergenic 100% whey-based extensively hydrolyzed formula (EHF) with Bifidobacterium lactis (test) with that of infants fed an extensively hydrolyzed casein formula (control). Formula-fed infants (14 ± 3 days) were randomized to test or control groups until 112 days of age. Anthropometrics were assessed at 14, 28, 56, 84, and 112 days, and daily records were kept for 2 days prior to study visits. Serum albumin and plasma amino acids at 84 days were assessed in a subset. A total of 282 infants were randomized (124 test, 158 control). Significantly more infants dropped out of the control (56%) as compared with the test (41%) group. Mean daily weight gain was significantly higher in the test group compared with the control group (27.95 ± 5.91 vs 25.93 ± 6.12 g/d; P = .027) with the test group reporting significantly fewer stools (2.2 vs 3.6 stools/d; P < .0001). The control group reported significantly more days with >3 loose stools/d and a higher incidence of vomiting as compared with the test group. There were no differences in gas, mood, sleep, or serum albumin. Plasma arginine and valine were significantly lower in the test group, whereas leucine and lysine were higher; all values were within normal limits. Significantly more adverse events attributed to the study formula were reported in the control group. The 100% whey-based hypoallergenic EHF containing Bifidobacterium lactis and medium chain triglycerides supported growth of healthy infants. Future studies on the application of this formula in clinically indicated populations are warranted.
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Affiliation(s)
- David Fields
- University of Oklahoma Health Sciences Center, Oklahoma City, OK, USA
| | | | - Shumei Sun
- Virginia Commonwealth University, Richmond, VA, USA
| | | | - José Saavedra
- Nestlé Nutrition, Vevey, Switzerland
- José M. Saavedra, Nestlé Nutrition, Av Nestlé 55, Vevey, 1800, Switzerland.
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Vallejo MS, Witis S, Ojeda E, Mostajo D, Morera F, Meruvia N, Martino M, Lima S, Espinoza M, Castillo O, Campostrini B, Danckers L, Blümel JE, Tserotas K, Sánchez H, Salinas C, Saavedra J, Rojas JA, Onatra W, Monterrosa A, Montaño A, Martínez J, González E, Gómez G, Calle A, Broutin G, Bencosme A, Arteaga E, Ayala F, Chedraui P. Does the menopausal status of female gynecologists affect their prescription of menopausal hormone therapy? Climacteric 2016; 19:387-92. [DOI: 10.1080/13697137.2016.1191460] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
Affiliation(s)
- M. S. Vallejo
- Collaborative Group for Research of the Climacteric in Latin America (REDLINC)
| | - S. Witis
- Collaborative Group for Research of the Climacteric in Latin America (REDLINC)
| | - E. Ojeda
- Collaborative Group for Research of the Climacteric in Latin America (REDLINC)
| | - D. Mostajo
- Collaborative Group for Research of the Climacteric in Latin America (REDLINC)
| | - F. Morera
- Collaborative Group for Research of the Climacteric in Latin America (REDLINC)
| | - N. Meruvia
- Collaborative Group for Research of the Climacteric in Latin America (REDLINC)
| | - M. Martino
- Collaborative Group for Research of the Climacteric in Latin America (REDLINC)
| | - S. Lima
- Collaborative Group for Research of the Climacteric in Latin America (REDLINC)
| | - M.T. Espinoza
- Collaborative Group for Research of the Climacteric in Latin America (REDLINC)
| | - O. Castillo
- Collaborative Group for Research of the Climacteric in Latin America (REDLINC)
| | - B. Campostrini
- Collaborative Group for Research of the Climacteric in Latin America (REDLINC)
| | - L. Danckers
- Collaborative Group for Research of the Climacteric in Latin America (REDLINC)
| | - J. E. Blümel
- Collaborative Group for Research of the Climacteric in Latin America (REDLINC)
- Departamento de Medicina Interna Sur, Facultad de Medicina, Universidad de Chile, Santiago de Chile, Chile
| | - K. Tserotas
- Collaborative Group for Research of the Climacteric in Latin America (REDLINC)
| | - H. Sánchez
- Collaborative Group for Research of the Climacteric in Latin America (REDLINC)
| | - C. Salinas
- Collaborative Group for Research of the Climacteric in Latin America (REDLINC)
| | - J. Saavedra
- Collaborative Group for Research of the Climacteric in Latin America (REDLINC)
| | - J. A. Rojas
- Collaborative Group for Research of the Climacteric in Latin America (REDLINC)
| | - W. Onatra
- Collaborative Group for Research of the Climacteric in Latin America (REDLINC)
| | - A. Monterrosa
- Collaborative Group for Research of the Climacteric in Latin America (REDLINC)
| | - A. Montaño
- Collaborative Group for Research of the Climacteric in Latin America (REDLINC)
| | - J. Martínez
- Collaborative Group for Research of the Climacteric in Latin America (REDLINC)
| | - E. González
- Collaborative Group for Research of the Climacteric in Latin America (REDLINC)
| | - G. Gómez
- Collaborative Group for Research of the Climacteric in Latin America (REDLINC)
| | - A. Calle
- Collaborative Group for Research of the Climacteric in Latin America (REDLINC)
| | - G. Broutin
- Collaborative Group for Research of the Climacteric in Latin America (REDLINC)
| | - A. Bencosme
- Collaborative Group for Research of the Climacteric in Latin America (REDLINC)
| | - E. Arteaga
- Collaborative Group for Research of the Climacteric in Latin America (REDLINC)
| | - F. Ayala
- Collaborative Group for Research of the Climacteric in Latin America (REDLINC)
| | - P. Chedraui
- Collaborative Group for Research of the Climacteric in Latin America (REDLINC)
- Institute of Biomedicine, Research Area for Women’s Health, Facultad de Ciencias Médicas, Universidad Católica de Santiago de Guayaquil, Guayaquil, Ecuador
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Dillehay TD, Ocampo C, Saavedra J, Sawakuchi AO, Vega RM, Pino M, Collins MB, Scott Cummings L, Arregui I, Villagran XS, Hartmann GA, Mella M, González A, Dix G. New Archaeological Evidence for an Early Human Presence at Monte Verde, Chile. PLoS One 2015; 10:e0141923. [PMID: 26580202 PMCID: PMC4651426 DOI: 10.1371/journal.pone.0141923] [Citation(s) in RCA: 137] [Impact Index Per Article: 15.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2015] [Accepted: 10/14/2015] [Indexed: 12/02/2022] Open
Abstract
Questions surrounding the chronology, place, and character of the initial human colonization of the Americas are a long-standing focus of debate. Interdisciplinary debate continues over the timing of entry, the rapidity and direction of dispersion, the variety of human responses to diverse habitats, the criteria for evaluating the validity of early sites, and the differences and similarities between colonization in North and South America. Despite recent advances in our understanding of these issues, archaeology still faces challenges in defining interdisciplinary research problems, assessing the reliability of the data, and applying new interpretative models. As the debates and challenges continue, new studies take place and previous research reexamined. Here we discuss recent exploratory excavation at and interdisciplinary data from the Monte Verde area in Chile to further our understanding of the first peopling of the Americas. New evidence of stone artifacts, faunal remains, and burned areas suggests discrete horizons of ephemeral human activity in a sandur plain setting radiocarbon and luminescence dated between at least ~18,500 and 14,500 cal BP. Based on multiple lines of evidence, including sedimentary proxies and artifact analysis, we present the probable anthropogenic origins and wider implications of this evidence. In a non-glacial cold climate environment of the south-central Andes, which is challenging for human occupation and for the preservation of hunter-gatherer sites, these horizons provide insight into an earlier context of late Pleistocene human behavior in northern Patagonia.
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Affiliation(s)
- Tom D. Dillehay
- Department of Anthropology, Vanderbilt University, Nashville, Tennessee, United States of America
- Universidad Austral de Chile, Valdivia, Chile
- Universidad Catolica de Temuco, Chile
- * E-mail:
| | - Carlos Ocampo
- Fundación Wulaia y Sociedad Chilena de Arqueología, Santiago, Chile
| | - José Saavedra
- Fundación Wulaia y Sociedad Chilena de Arqueología, Santiago, Chile
| | - Andre Oliveira Sawakuchi
- Departamento de Geologia Sedimentar e Ambiental, Instituto de Geociências, Universidade de São Paulo, São Paulo, Brasil
| | - Rodrigo M. Vega
- Instituto de Ciencias de la Tierra, Universidad Austral de Chile, Valdivia, Chile
| | - Mario Pino
- Instituto de Ciencias de la Tierra, Universidad Austral de Chile, Valdivia, Chile
| | | | | | - Iván Arregui
- Fundación Wulaia y Sociedad Chilena de Arqueología, Santiago, Chile
| | - Ximena S. Villagran
- Museu de Arqueologia e Etnologia, Universidade de São Paulo, São Paulo, Brasil
| | - Gelvam A. Hartmann
- Observatório Nacional, Rio de Janeiro, RJ, Brazil
- Departamento de Geofísica, Instituto de Astronomia, Geofísica e Ciências Atmosféricas, Universidade de São Paulo, São Paulo, Brasil
| | - Mauricio Mella
- Oficina Técnica, Servicio Nacional de Geologia y Mineria, Puerto Montt, Chile
| | - Andrea González
- Facultad de Estudios del Patrimonio Cultural y Educación, Universidad SEKA, Santiago, Chile
| | - George Dix
- Department of Earth Sciences, Carleton University, Ottawa, Ontario, Canada
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Saavedra J, Doan HA, Pursell CJ, Grabow LC, Chandler BD. The critical role of water at the gold-titania interface in catalytic CO oxidation. Science 2014; 345:1599-602. [DOI: 10.1126/science.1256018] [Citation(s) in RCA: 407] [Impact Index Per Article: 40.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/02/2022]
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Blümel JE, Chedraui P, Barón G, Benítez Z, Flores D, Espinoza MT, Gomez G, González E, Hernández L, Lima S, Martino M, Montaño A, Monterrosa A, Mostajo D, Ojeda E, Onatra W, Robles C, Saavedra J, Sánchez H, Tserotas K, Vallejo MS, Vallejo C. A multicentric study regarding the use of hormone therapy during female mid-age (REDLINC VI). Climacteric 2014; 17:433-41. [PMID: 24443950 DOI: 10.3109/13697137.2014.882305] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
BACKGROUND Menopausal hormone therapy (HT) has shown benefits for women; however, associated drawbacks (i.e. risks, costs, fears) have currently determined its low use. OBJECTIVE To determine the prevalence of current HT use among mid-aged women and describe the characteristics of those who have never used, have abandoned or are currently using HT. In addition, reasons for not using HT were analyzed. METHOD This was a cross-sectional study that analyzed a total of 6731 otherwise healthy women (45-59 years old) of 15 cities in 11 Latin American countries. Participants were requested to fill out the Menopause Rating Scale (MRS) and a questionnaire containing sociodemographic data and items regarding the menopause and HT use. RESULTS The prevalence of current HT use was 12.5%. Oral HT (43.7%) was the most frequently used type of HT, followed by transdermal types (17.7%). The main factors related to the current use of HT included: positive perceptions regarding HT (odds ratio (OR) 11.53, 95% confidence interval (CI) 9.41-14.13), being postmenopausal (OR 3.47, 95% CI 2.75-4.36) and having a better socioeconomic level. A total of 48.8% of surveyed women had used HT in the past, but abandoned it due to symptom improvement or being unconcerned; fear of cancer or any other secondary effects were also reported but in less than 10%. Among women who had never used HT, 28% reported the lack of medical prescription as the main reason, followed by the absence of symptoms (27.8%). Among those reporting lack of prescription as the main reason for not using HT, 30.6% currently had severe menopausal symptoms (total MRS score > 16); 19.5% of women were using alternative 'natural' therapies, with 35.1% of them displaying severe menopausal symptoms as compared to a 22.5% observed among current HT users. CONCLUSION The use of HT has not regained the rates observed a decade ago. Positive perceptions regarding HT were related to a higher use. Lack of medical prescription was the main reason for not using HT among non-users, many of whom were currently displaying severe menopausal symptoms.
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Muraru D, Addetia K, Veronesi F, Corsi C, Mor-Avi V, Yamat M, Weinert L, Lang R, Badano L, Faita F, Di Lascio N, Bruno R, Bianchini E, Ghiadoni L, Sicari R, Gemignani V, Angelis A, Ageli K, Ioakimidis N, Chrysohoou C, Agelakas A, Felekos I, Vaina S, Aznaourides K, Vlachopoulos C, Stefanadis C, Nemes A, Szolnoky G, Gavaller H, Gonczy A, Kemeny L, Forster T, Ramalho A, Placido R, Marta L, Menezes M, Magalhaes A, Cortez Dias N, Martins S, Almeida A, Pinto F, Nunes Diogo A, Botezatu CD, Enache R, Popescu B, Nastase O, Coman M, Ghiorghiu I, Calin A, Rosca M, Beladan C, Ginghina C, Grapsa J, Cabrita I, Durighel G, O'regan D, Dawson D, Nihoyannopoulos P, Pellicori P, Kallvikbacka-Bennett A, Zhang J, Lukaschuk E, Joseph A, Bourantas C, Loh H, Bragadeesh T, Clark A, Cleland J, Kallvikbacka-Bennett A, Pellicori P, Lomax S, Putzu P, Diercx R, Parsons S, Dicken B, Zhang J, Clark A, Cleland J, Vered Z, Adirevitz L, Dragu R, Blatt A, Karev E, Malca Y, Roytvarf A, Marek D, Sovova E, Berkova M, Cihalik C, Taborsky M, Lindqvist P, Tossavainen E, Soderberg S, Gonzales M, Gustavsson S, Henein M, Sonne C, Bott-Fluegel L, Hauck S, Lesevic H, Hadamitzky M, Wolf P, Kolb C, Bandera F, Pellegrino M, Generati G, Donghi V, Alfonzetti E, Castelvecchio S, Menicanti L, Guazzi M, Buchyte S, Rinkuniene D, Jurkevicius R, Smarz K, Zaborska B, Jaxa-Chamiec T, Maciejewski P, Budaj A, Santoro A, Federico Alvino F, Giovanni Antonelli G, Roberta Molle R, Matteo Bertini M, Stefano Lunghetti S, Sergio Mondillo S, Henri C, Magne J, Dulgheru R, Laaraibi S, Voilliot D, Kou S, Pierard L, Lancellotti P, Szulik M, Stabryla-Deska J, Kalinowski M, Sliwinska A, Szymala M, Lenarczyk R, Kalarus Z, Kukulski T, Yiangou K, Azina C, Yiangou A, Ioannides M, Chimonides S, Baysal S, Pirat B, Okyay K, Bal U, Muderrisoglu H, Popovic D, Ostojic M, Petrovic M, Vujisic-Tesic B, Arandjelovic A, Petrovic I, Banovic M, Popovic B, Vukcevic V, Damjanovic S, Velasco Del Castillo S, Onaindia Gandarias J, Arana Achaga X, Laraudogoitia Zaldumbide E, Rodriguez Sanchez I, Cacicedo De Bobadilla A, Romero Pereiro A, Aguirre Larracoechea U, Salinas T, Subinas A, Elzbieciak M, Wita K, Grabka M, Chmurawa J, Doruchowska A, Turski M, Filipecki A, Wybraniec M, Mizia-Stec K, Varho V, Karjalainen P, Lehtinen T, Airaksinen J, Ylitalo A, Kiviniemi T, Gargiulo P, Galderisi M, D' Amore C, Lo Iudice F, Savarese G, Casaretti L, Pellegrino A, Fabiani I, La Mura L, Perrone Filardi P, Kim JY, Chung W, Yu J, Choi Y, Park C, Youn H, Lee M, Nagy A, Manouras A, Gunyeli E, Gustafsson U, Shahgaldi K, Winter R, Johnsson J, Zagatina A, Krylova L, Zhuravskaya N, Vareldzyan Y, Tyurina T, Clitsenko O, Khalifa EA, Ashour Z, Elnagar W, Jung I, Seo H, Lee S, Lim D, Mizariene V, Verseckaite R, Janenaite J, Jonkaitiene R, Jurkevicius R, Sanchez Espino A, Bonaque Gonzalez J, Merchan Ortega G, Bolivar Herrera N, Ikuta I, Macancela Quinones J, Gomez Recio M, Silva Fazendas Adame PR, Caldeira D, Stuart B, Almeida S, Cruz I, Ferreira A, Freire G, Lopes L, Cotrim C, Pereira H, Mediratta A, Addetia K, Moss J, Nayak H, Yamat M, Weinert L, Mor-Avi V, Lang R, Al Amri I, Debonnaire P, Van Der Kley F, Schalij M, Bax J, Ajmone Marsan N, Delgado V, Schmidt FP, Gniewosz T, Jabs A, Munzel T, Jansen T, Kaempfner D, Hink U, Von Bardeleben R, Jose J, George O, Joseph G, Jose J, Adawi S, Najjar R, Ahronson D, Shiran A, Van Riel A, Boerlage - Van Dijk K, De Bruin - Bon H, Araki M, Meregalli P, Koch K, Vis M, Mulder B, Baan J, Bouma B, Marciniak A, Elton D, Glover K, Campbell I, Sharma R, Batalha S, Lourenco C, Oliveira Da Silva C, Manouras A, Shahgaldi K, Caballero L, Garcia-Lara J, Gonzalez-Carrillo J, Oliva M, Saura D, Garcia-Navarro M, Espinosa M, Pinar E, Valdes M, De La Morena G, Barreiro Perez M, Lopez Perez M, Roy D, Brecker S, Sharma R, Venkateshvaran A, Dash PK, Sola S, Barooah B, Govind SC, Winter R, Shahgaldi K, Brodin LA, Manouras A, Saura Espin D, Caballero Jimenez L, Gonzalez Carrillo J, Oliva Sandoval M, Lopez Ruiz M, Garcia Navarro M, Espinosa Garcia M, Valdes Chavarri M, De La Morena Valenzuela G, Gatti G, Dell'angela L, Pinamonti B, Benussi B, Sinagra G, Pappalardo A, Hernandez V, Saavedra J, Gonzalez A, Iglesias P, Civantos S, Guijarro G, Monereo S, Ikeda M, Toh N, Oe H, Tanabe Y, Watanabe N, Ito H, Ciampi Q, Cortigiani L, Pratali L, Rigo F, Villari B, Picano E, Sicari R, Yoon J, Sohn J, Kim Y, Chang H, Hong G, Kim T, Ha J, Choi B, Rim S, Choi E, Tibazarwa K, Sliwa K, Wonkam A, Mayosi B, Oryshchyn N, Ivaniv Y, Pavlyk S, Lourenco MR, Azevedo O, Moutinho J, Nogueira I, Fernandes M, Pereira V, Quelhas I, Lourenco A, Sunbul M, Tigen K, Karaahmet T, Dundar C, Ozben B, Guler A, Cincin A, Bulut M, Sari I, Basaran Y, Baydar O, Kadriye Kilickesmez K, Ugur Coskun U, Polat Canbolat P, Veysel Oktay V, Umit Yasar Sinan U, Okay Abaci O, Cuneyt Kocas C, Sinan Uner S, Serdar Kucukoglu S, Zaroui A, Mourali M, Ben Said R, Asmi M, Aloui H, Kaabachi N, Mechmeche R, Saberniak J, Hasselberg N, Borgquist R, Platonov P, Holst A, Edvardsen T, Haugaa K, Lourenco MR, Azevedo O, Nogueira I, Moutinho J, Fernandes M, Pereira V, Quelhas I, Lourenco A, Eran A, Yueksel D, Er F, Gassanov N, Rosenkranz S, Baldus S, Guedelhoefer H, Faust M, Caglayan E, Matveeva N, Nartsissova G, Chernjavskij A, Ippolito R, De Palma D, Muscariello R, Santoro C, Raia R, Schiano-Lomoriello V, Gargiulo F, Galderisi M, Lipari P, Bonapace S, Zenari L, Valbusa F, Rossi A, Lanzoni L, Canali G, Molon G, Campopiano E, Barbieri E, Ikonomidis I, Varoudi M, Papadavid E, Theodoropoulos K, Papadakis I, Pavlidis G, Triantafyllidi H, Anastasiou - Nana M, Rigopoulos D, Lekakis J, Sunbul M, Tigen K, Ozen G, Durmus E, Kivrak T, Cincin A, Ozben B, Atas H, Direskeneli H, Basaran Y, Stevanovic A, Dekleva M, Trajic S, Paunovic N, Simic A, Khan S, Mushemi-Blake S, Jouhra F, Dennes W, Monaghan M, Melikian N, Shah A, Maceira Gonzalez AM, Lopez-Lereu M, Monmeneu J, Igual B, Estornell J, Boraita A, Kosmala W, Rojek A, Bialy D, Mysiak A, Przewlocka-Kosmala M, Popescu I, Mancas S, Mornos C, Serbescu I, Ionescu G, Ionac A, Gaudron P, Niemann M, Herrmann S, Hu K, Liu D, Wojciech K, Frantz S, Bijnens B, Ertl G, Weidemann F, Maceira Gonzalez AM, Cosin-Sales J, Ruvira J, Diago J, Aguilar J, Igual B, Lopez-Lereu M, Monmeneu J, Estornell J, Cruz C, Pinho T, Madureira A, Lebreiro A, Dias C, Ramos I, Silva Cardoso J, Julia Maciel M, De Meester P, Van De Bruaene A, Herijgers P, Voigt JU, Budts W, Franzoso F, Voser E, Wohlmut C, Kellenberger C, Valsangiacomo Buechel E, Carrero C, Benger J, Parcerisa M, Falconi M, Oberti P, Granja M, Cagide A, Del Pasqua A, Secinaro A, Antonelli G, Iacomino M, Toscano A, Chinali M, Esposito C, Carotti A, Pongiglione G, Rinelli G, Youssef Moustafa A, Al Murayeh M, Al Masswary A, Al Sheikh K, Moselhy M, Dardir M, Deising J, Butz T, Suermeci G, Liebeton J, Wennemann R, Tzikas S, Van Bracht M, Prull M, Trappe HJ, Martin Hidalgo M, Delgado Ortega M, Ruiz Ortiz M, Mesa Rubio D, Carrasco Avalos F, Seoane Garcia T, Pan Alvarez-Ossorio M, Lopez Aguilera J, Puentes Chiachio M, Suarez De Lezo Cruz Conde J, Petrovic MT, Giga V, Stepanovic J, Tesic M, Jovanovic I, Djordjevic-Dikic A, Generati G, Pellegrino M, Bandera F, Donghi V, Alfonzetti E, Guazzi M, Piatkowski R, Kochanowski J, Scislo P, Opolski G, Zagatina A, Zhuravskaya N, Krylova L, Vareldzhyan Y, Tyurina T, Clitsenko O, Bombardini T, Gherardi S, Leone O, Picano E, Michelotto E, Ciccarone A, Tarantino N, Ostuni V, Rubino M, Genco W, Santoro G, Carretta D, Romito R, Colonna P, Cameli M, Lunghetti S, Lisi M, Curci V, Cameli P, Focardi M, Favilli R, Galderisi M, Mondillo S, Hoffmann R, Barletta G, Von Bardeleben S, Kasprzak J, Greis C, Vanoverschelde J, Becher H, Machida T, Izumo M, Suzuki K, Kaimijima R, Mizukoshi K, Manabe-Uematsu M, Takai M, Harada T, Akashi Y, Martin Garcia A, Arribas-Jimenez A, Cruz-Gonzalez I, Nieto F, Iscar A, Merchan S, Martin-Luengo C, Brecht A, Theres L, Spethmann S, Dreger H, Baumann G, Knebel F, Jasaityte R, Heyde B, Rademakers F, Claus P, D'hooge J, Lervik Nilsen LC, Lund J, Brekke B, Stoylen A, Giraldeau G, Duchateau N, Gabrielli L, Penela D, Evertz R, Mont L, Brugada J, Berruezo A, Bijnens B, Sitges M, Kordybach M, Kowalski M, Hoffman P, Pilichowska E, Zaborska B, Baran J, Kulakowski P, Budaj A, Wahi S, Vollbon W, Leano R, Thomas A, Bricknell K, Holland D, Napier S, Stanton T, Teferici D, Qirko S, Petrela E, Dibra A, Bajraktari G, Bara P, Sanchis Ruiz L, Gabrielli L, Andrea R, Falces C, Duchateau N, Perez-Villa F, Bijnens B, Sitges M, Sulemane S, Panoulas V, Bratsas A, Tam F, Nihoyannopoulos P, Abduch M, Alencar A, Coracin F, Barban A, Saboya R, Dulley F, Mathias W, Vieira M, Buccheri S, Mangiafico S, Arcidiacono A, Bottari V, Leggio S, Tamburino C, Monte IP, Cruz C, Lebreiro A, Pinho T, Dias C, Silva Cardoso J, Julia Maciel M, Spitzer E, Beitzke D, Kaneider A, Pavo N, Gottsauner-Wolf M, Wolf F, Loewe C, Mushtaq S, Andreini D, Pontone G, Bertella E, Conte E, Baggiano A, Annoni A, Cortinovis S, Fiorentini C, Pepi M, Gustafsson M, Alehagen U, Dahlstrom U, Johansson P, Faden G, Faggiano P, Albertini L, Reverberi C, Gaibazzi N, Taylor RJ, Moody W, Umar F, Edwards N, Townend J, Steeds R, Leyva F, Mihaila S, Muraru D, Piasentini E, Peluso D, Casablanca S, Naso P, Puma L, Iliceto S, Vinereanu D, Badano L, Ciciarello FL, Agati L, Cimino S, De Luca L, Petronilli V, Fedele F, Tsverava M. Poster Session Saturday 14 December - AM: 14/12/2013, 08:30-12:30 * Location: Poster area. Eur Heart J Cardiovasc Imaging 2013. [DOI: 10.1093/ehjci/jet207] [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] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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Santos J, Salgado P, Santos C, Mendes P, Saavedra J, Baldaque P, Monteiro L, Costa E. Effect of bariatric surgery on weight loss, inflammation, iron metabolism, and lipid profile. Scand J Surg 2013; 103:21-5. [PMID: 24177986 DOI: 10.1177/1457496913490467] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.5] [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: 12/12/2022]
Abstract
BACKGROUND AND AIMS Accumulating evidence indicates that a state of chronic inflammation has a crucial role in the pathogenesis of obesity-related metabolic dysfunction. This study aims to evaluate changes in inflammatory process, iron metabolism, erythropoiesis, and lipid profile associated with weight loss after gastric banding surgery. MATERIAL AND METHODS A total of 46 patients were evaluated before and 3 months after gastric banding surgery. A survey was conducted to record demographic data, body mass index, and presence of comorbidities. Moreover, complete blood cell counts and serum levels of iron, ferritin, transferrin, high-sensitivity C-reactive protein, total cholesterol, low-density lipoprotein-cholesterol, high-density lipoprotein-cholesterol, and triglycerides were performed. RESULTS At a follow-up 3 months after surgery, our patients presented a significant decrease in weight and body mass index, associated with a decreased inflammatory process (decreased high-sensitivity C-reactive protein, neutrophil counts, and neutrophil:lymphocyte ratio), increased iron availability (increased transferrin saturation and a trend to higher iron serum levels), and significant decreased triglycerides and triglycerides:high-density lipoprotein-cholesterol ratio. CONCLUSIONS Our results showed a significant decrease in the inflammation process 3 months after gastric banding surgery, associated with adipose tissue loss. This decrease in the inflammatory process is associated with more efficient iron absorption and increased iron availability for erythropoiesis. Moreover, we also found decreased triglyceride serum levels. These changes suggest benefits of weight loss, including decreased risk of cardiovascular disease.
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Affiliation(s)
- J Santos
- Hospital da Prelada-Dr. Domingos Braga da Cruz, Porto, Portugal
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Abstract
Objetivos: Describir el manejo quirúrgico del angiofibroma nasofaríngeo juvenil, tanto en el abordaje como en la anestesia, evidenciar el grado de compromiso y estadio de los casos intervenidos y determinar las complicaciones y recurrencias del angiofibroma juvenil usando un abordaje Le Fort I. Diseño: Estudio descriptivo retrospectivo. Lugar: Servicio de Cirugía de Cabeza y Cuello, Hospital Dos de Mayo, hospital docente. Participantes: Pacientes con resultado anatomopatológico de angiofibroma juvenil. Intervenciones: Se revisó los casos de intervención quirúrgica de angiofibroma juvenil, confirmado por anatomía patológica entre enero de 1993 hasta diciembre de 2006. Principales medidas de resultados: Resultados quirúrgicos, pérdida sanguínea, complicaciones. Resultados: Se intervino 29 casos en el periodo en estudio, todos varones, con un promedio de edad de 19,2 años y rango de edad entre 13 y 27 años. Procedían principalmente de Lima (34%) y Cajamarca (17%). Presentamos 90% de casos catalogados como Chandler III, 7% como Chandler IV y 3% como Chandler II. Todos fueron sometidos a tratamiento quirúrgico, con intubación submentoniana; en 28 pacientes se realizó un abordaje Le Fort I, con osteosíntesis con miniplacas y tornillos de titanio. Se realizó una embolización preoperatorio, al optar por un abordaje transpalatino. El valor promedio de hemoglobina preoperatorio fue 13,6 g% y en el postoperatorio, 10,5 g%. El promedio de pérdida sanguínea fue 1 019 mL, en un rango de entre 300 y 4 500 mL. Se transfundió en promedio 2,3 paquetes globulares por paciente; tres pacientes no requirieron transfusión alguna. No se presentaron complicaciones en el periodo postoperatorio. Conclusiones: El tratamiento quirúrgico es de elección para el tratamiento del angiofibroma juvenil en todos sus estadíos. Debido al amplio campo quirúrgico del abordaje Le Fort I y la escasa recurrencia presentada, postulamos este abordaje como el más indicado para todos los estadios de Chandler, en especial para estadíos III y IV. La realización del abordaje Le Fort I y la intubación submentoniana engloban diversos conceptos y técnicas que definen su complejidad, como osteotomías del tercio medio facial, técnicas de osteosíntesis, concepto y restauración del plano oclusal del paciente.
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Oré J, Saavedra J. Patología quirúrgica de la glándula tiroides. An Fac med 2013. [DOI: 10.15381/anales.v69i3.1138] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022] Open
Abstract
Introducción: Debido a la gran diversidad de patología quirúrgica de la glándula tiroides y su alta frecuencia en nuestro medio, creemos conveniente presentar nuestra experiencia en esta patología. Objetivos: Conocer la incidencia de la patología quirúrgica de la glándula tiroides, según diagnóstico anatomopatológico, en pacientes operados. Diseño: Estudio retrospectivo, observacional y descriptivo. Lugar: Servicio de cirugía de cabeza y cuello, Hospital Dos de Mayo, Lima, Perú, hospital de enseñanza médica. Participantes: Pacientes operados de la glándula tiroides. Intervenciones: Se revisó las historias clínicas de pacientes operados de la glándula tiroides, desde enero de 1997 hasta diciembre de 2006. Principales medidas de resultados: Resultados anatomopatológicos en los especímenes de glándula tiroides. Resultados: Hubo 274 casos operados, de los cuales 81,4% del total correspondió al sexo femenino; 56,9% de los casos provenía de fuera de Lima y Callao, con edades que fluctuaban desde los 30 y 59 años. El tumor fue el signo predominante en 97,8% de los casos. La operación realizada más frecuente fue la tiroidectomía total (39,8%). La patología benigna representó 58% de los casos, con el adenoma folicular como principal patología benigna (23%); dentro de las neoplasias malignas (42% del total), 23,7% era carcinoma papilar. Conclusiones: La patología tumoral tiroidea presentó un marcado predominio en el sexo femenino, principalmente en los grupos etáreos de la 4a, 5a y 6a décadas. La patología glandular tiroidea fue en su mayoría benigna, y de la maligna, el carcinoma papilar. Con alto valor de especificidad (97,7%) y valor predictivo positivo (95,4%), la biopsia de aspiración por aguja fina de tiroides continúa siendo el examen auxiliar más importante en el estudio del paciente con patología tumoral tiroidea.
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Yañez L, Saavedra J, Martínez C, Córdova A, Ganga M. Chemometric Analysis for the Detection of Biogenic Amines in Chilean Cabernet Sauvignon Wines: A Comparative Study between Organic and Nonorganic Production. J Food Sci 2012; 77:T143-50. [DOI: 10.1111/j.1750-3841.2012.02796.x] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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Ruggieri F, Fernandez-Turiel JL, Saavedra J, Gimeno D, Polanco E, Amigo A, Galindo G, Caselli A. Contribution of volcanic ashes to the regional geochemical balance: the 2008 eruption of Chaitén volcano, Southern Chile. Sci Total Environ 2012; 425:75-88. [PMID: 22464957 DOI: 10.1016/j.scitotenv.2012.03.011] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/19/2011] [Revised: 03/06/2012] [Accepted: 03/07/2012] [Indexed: 05/31/2023]
Abstract
The environmental geochemical behaviour of the rhyolitic ashes from the 2008 eruption of Chaitén volcano, Southern Chile, has been studied. After the bulk characterisation, the potential contribution to the regional geochemical fluxes was examined using: i) single batch leaching tests to provide a rapid screening of the implied major and trace elements; and ii) column experiments to evaluate the temporal mobility of leached elements. The environmental concerns of these ashes are related to the fine grained component present in each sample (independent of distance from the source), in particular the presence of cristobalite, and the geochemical hazards posed by ash-water interaction. Leaching experiments show the fast dissolution of surface salts and aerosols, which dominate over glass dissolution during the first steps of the ash-water interaction. Chaitén ashes could transfer to the environment more than 1×10(10)g or 10,000 metric tonnes (mt) of Cl, S, Ca, Na, Si, and K; between 1000 and 10,000 mt of F, Mg, and Al; between 100 and 1000 mt of As, Pb, P, Fe, Sr, Zn, Mn, and Br; between 10 and 100 mt of Ba, Li, Ti, Ni, Nb, Cu, Rb, Zr, V, Mo, Co, and Sc; and less than 10 mt of Cr, Sb, Ce, Ga, Cs, and Y. These results show the fertilising potential of the ashes (e.g., providing Ca and Fe) but also the input of potentially toxic trace elements (e.g., F and As) in the regional geochemical mass balance. The Chaitén results evidence lower potentials for poisoning and fertilising than low silica ashes due to the lower contents released of practically all elements.
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Affiliation(s)
- F Ruggieri
- Institute of Earth Sciences Jaume Almera, ICTJA-CSIC, Barcelona, Spain
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Tardáguila AR, Del Cañizo A, Santos MM, Fanjul M, Corona C, Zornoza M, Parente A, Carrera N, Beléndez C, Cerdá J, Saavedra J, Molina E, García-Casillas MA, Peláez D. [Subcutaneously inserted central intravascular devices in the pediatric oncology patient: can we minimize their infection]. Cir Pediatr 2011; 24:208-213. [PMID: 23155633] [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: 06/01/2023]
Abstract
Long-term indwelling central venous access devices are frequently used in pediatric patients. Their main complication is infection, that can even mean their removal. We try to identify the risk factors really involved in this complication and in their removal. We have made a retrospective review of 120 oncologic pediatric patients who received a central venous device between 2003 and 2009. We searched for epidemiologic, clinic, microbiologic and surgical risk factors. We made a comparative data analysis among: GROUP A, children who suffered device infection, GROUP B the others. Group A was divided into early infection (first month after implantation)/late infection, removed/not removed. Data were analized with statistical program SPSS. 29 suffered from leukemia, 19 from lymphoma and the main part, 72, from solid tumour. 31% experienced infection (GROUP A), being early in the 36% of them. 16% had to be withdrawn. Data analysis revealed statistical association with the age (p=0.015) and with the reception of chemiotherapic treatment the week before the surgical insertion. The rest of the studied factors did not revealed a real association, but could be guess a relationship among infection and leukemia, subclavian catheters, those patients whose deviced was introduced using a guide over a previous catheter and also transplanted. Related to early infection the only associateon founded was with the subclavian access (p=0.018). In conclusion, in our serie long-term central venous access infection was more frequent in the younger patients and also in those who had received chemotherapy the week before the catheter implantation. The tendency towards infection in leukemia, transplanted and subclavian carriers has to be studied in a prospective way with a larger number of oncologic children.
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Affiliation(s)
- A R Tardáguila
- Servicio de Cirugía Pediátrica, Hospital Gregorio Marañón, Madrid.
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Sotelo R, Castle E, Castillo O, Giedelman C, Spinelli M, Saavedra J, De Andrade R, Carmona O, Canes D, Rodriguez C. VID-02.06 Complications in Minimally Invasive Radical Cystectomy. Urology 2011. [DOI: 10.1016/j.urology.2011.07.479] [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]
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Saavedra J, Fuentealba C, Yáñez L, Bravo M, Quiroz W, Lukacsy G, Carot J. Chemometric approaches for the zoning of Pinot Noir wines from the Casablanca valley, Chile. Food Chem 2011. [DOI: 10.1016/j.foodchem.2011.01.132] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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López-Negre JL, Graells J, Orbeal R, Saavedra J, Parés D. [Perianal herpes simplex in a patient with Crohn's disease treated with infliximab]. Gastroenterol Hepatol 2010; 33:758-759. [PMID: 20932602 DOI: 10.1016/j.gastrohep.2010.07.006] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/09/2010] [Accepted: 07/12/2010] [Indexed: 05/30/2023]
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Ruggieri F, Saavedra J, Fernandez-Turiel JL, Gimeno D, Garcia-Valles M. Environmental geochemistry of ancient volcanic ashes. J Hazard Mater 2010; 183:353-365. [PMID: 20675046 DOI: 10.1016/j.jhazmat.2010.07.032] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/11/2010] [Revised: 07/08/2010] [Accepted: 07/09/2010] [Indexed: 05/29/2023]
Abstract
Volcanic ashes from the Puna and surrounding Andean areas in northern Argentina show that sometimes volcanic ash deposits are very well preserved (up to several million years) and can remain a potential hazard for the environment in a similar way as current deposits. Eight ashes have been characterized by SEM-EDX and DRX, and their potential released geochemical fluxes were examined by using water and nitric acid batches, which are analyzed by ICP-OES, ICP-MS and ISE (F). Results demonstrate that water batch system is better medium than nitric acid for this study. The high and fast reactivity of these ancient ashes is mainly associated with their high content in glass. The order of magnitude of released contents of implied elements is consistent among the samples, i.e., Al>B>Fe>Zn>F>P>Mn>Ba>Sr>Li>Ti>Rb>Cu>Ni>Sb>Pb>As>Cr>V. Ash-water interaction, although infrequent in arid regions such as the Puna Region in northern Argentina, introduces rapid changes in the geochemical fluxes of elements and pH and may constitute a potential hazard for the environment. In fact, many of these elements are included in the drinking water guidelines due to their potential toxicity and may constitute potential hazards for the environment and human health.
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Affiliation(s)
- F Ruggieri
- Institute of Earth Sciences J. Almera, ICTJA, CSIC, Sole i Sabaris s/n, Barcelona, Spain
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Astudillo C, Cancino, Saavedra J. Determination of colloid osmotic pressure through water activity for biological fluids. N Biotechnol 2009. [DOI: 10.1016/j.nbt.2009.06.722] [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: 10/20/2022]
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Royer M, Castelo-Branco C, Blümel JE, Chedraui PA, Danckers L, Bencosme A, Navarro D, Vallejo S, Espinoza MT, Gómez G, Izaguirre H, Ayala F, Martino M, Ojeda E, Onatra W, Saavedra J, Tserotas K, Pozzo E, Manriquez V, Prada M, Grandia E, Zuniga C, Lange D, Sayegh F. The US National Cholesterol Education Programme Adult Treatment Panel III (NCEP ATP III): prevalence of the metabolic syndrome in postmenopausal Latin American women. Climacteric 2009; 10:164-70. [PMID: 17453865 DOI: 10.1080/13697130701258895] [Citation(s) in RCA: 66] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Abstract
BACKGROUND Metabolic syndrome (METS) is a strong predictor of cardiovascular risk. Since the prevalence of METS increases after menopause, gynecological routine consultation offers an excellent screening opportunity. OBJECTIVES To assess the prevalence of METS in Latin American postmenopausal women and factors modifying its risk; as well as to assess the role of simple routine care measurements in the diagnosis of the METS. METHODS A total of 3965 postmenopausal women, aged 45-64 years, seeking health care at 12 gynecological centers in major Latin American cities were included in this cross-sectional study. The US National Cholesterol Education Programme Adult Treatment Panel III (NCEP ATP III) guidelines were applied to assess METS. This was present if three or more of the following conditions were present: waist circumference > or = 88 cm; blood pressure > or = 130/85 mmHg; fasting plasma triglycerides > or = 150 mg/dl; high density lipoprotein (HDL) cholesterol < 50 mg/dl; glucose > or = 110 mg/dl or subjects were receiving treatment for their condition. RESULTS The prevalences of having at least two, three, four or five components were 62.5, 35.1, 13.5 and 3.2%, respectively. The prevalence increased from 28.1% in those aged 40-44 years to 42.9% in those aged 60-64 years. The risk of METS detection (multivariate analysis) increased with age (odds ratio (OR) 1.22, 95% confidence interval (CI) 1.03-1.43), time elapsed since menopause (OR 1.18, 95% CI 1.00-1.38), smoking cigarettes (OR 1.40, 95% CI 1.19-1.65), obesity (OR 13.01, 95% CI 10.93-15.49) and hypertension (OR 9.30, 95% CI 7.91-10.94). In contrast, hormone therapy reduces this risk (OR 0.59, 95% CI 0.51-0.70). CONCLUSION There is a high prevalence of the metabolic syndrome in postmenopausal Latin American women seeking gynecologic health care. Age, years since menopause, obesity and hypertension are strong predictors of this condition.
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Santos-Juanes J, Coto-Segura P, Saavedra J, Laviano S, Galache C. Development of familial benign chronic pemphigus in a patient undergoing treatment with efalizumab for psoriasis. J Eur Acad Dermatol Venereol 2009; 23:605-6. [DOI: 10.1111/j.1468-3083.2008.02979.x] [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: 11/30/2022]
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Godoy L, Garrido D, Martínez C, Saavedra J, Combina M, Ganga M. Study of the coumarate decarboxylase and vinylphenol reductase activities ofDekkera bruxellensis(anamorphBrettanomyces bruxellensis) isolates. Lett Appl Microbiol 2009; 48:452-7. [DOI: 10.1111/j.1472-765x.2009.02556.x] [Citation(s) in RCA: 31] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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Ji X, Pal A, Kalathur R, Hu X, Gu Y, Saavedra J, Buzard G, Srinivasan A, Keefer L, Singh S. Structure-based design of anticancer prodrug PABA/NO. Acta Crystallogr A 2008. [DOI: 10.1107/s0108767308089058] [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: 11/10/2022] Open
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Silva AJ, Costa AM, Oliveira PM, Reis VM, Saavedra J, Perl J, Rouboa A, Marinho DA. The use of neural network technology to model swimming performance. J Sports Sci Med 2007; 6:117-125. [PMID: 24149233 PMCID: PMC3778687] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2006] [Accepted: 01/24/2007] [Indexed: 06/02/2023]
Abstract
to identify the factors which are able to explain the performance in the 200 meters individual medley and 400 meters front crawl events in young swimmers, to model the performance in those events using non-linear mathematic methods through artificial neural networks (multi-layer perceptrons) and to assess the neural network models precision to predict the performance. A sample of 138 young swimmers (65 males and 73 females) of national level was submitted to a test battery comprising four different domains: kinanthropometric evaluation, dry land functional evaluation (strength and flexibility), swimming functional evaluation (hydrodynamics, hydrostatic and bioenergetics characteristics) and swimming technique evaluation. To establish a profile of the young swimmer non-linear combinations between preponderant variables for each gender and swim performance in the 200 meters medley and 400 meters font crawl events were developed. For this purpose a feed forward neural network was used (Multilayer Perceptron) with three neurons in a single hidden layer. The prognosis precision of the model (error lower than 0.8% between true and estimated performances) is supported by recent evidence. Therefore, we consider that the neural network tool can be a good approach in the resolution of complex problems such as performance modeling and the talent identification in swimming and, possibly, in a wide variety of sports. Key pointsThe non-linear analysis resulting from the use of feed forward neural network allowed us the development of four performance models.The mean difference between the true and estimated results performed by each one of the four neural network models constructed was low.The neural network tool can be a good approach in the resolution of the performance modeling as an alternative to the standard statistical models that presume well-defined distributions and independence among all inputs.The use of neural networks for sports sciences application allowed us to create very realistic models for swimming performance prediction based on previous selected criterions that were related with the dependent variable (performance).
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Affiliation(s)
- António José Silva
- Sports Science Department of University of Trás-os-Montes and Alto Douro , Vila Real, Portugal ; CETAV, Research Centre , Vila Real, Portugal
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García-Trío G, Alonso M, Saavedra J, Cigarrán S, Lamas JM. [Integral management of vascular access by nephrologist. Three years work outcome]. Nefrologia 2007; 27:335-9. [PMID: 17725453] [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: 05/16/2023] Open
Abstract
Delay in perform the arteriovenous fistula (AVF) to begin haemodialysis is a major problem in the renal units in our country. Two nephrologists initiated, to solve this problem in its own hospital, to perform AVF from December 2001 to December 31st, 2004. Results were compared to surgical service which performed AVF until December 2001. Reduction in surgical waiting time to perform AVF and percent of patients without AVF at time of initiate haemodialysis treatment are the main results in nephrologists group. No technical differences are found between both groups. These differences come from integral management of AVF, with own and programmed surgical theatre, managed in the office, individualized the patients requirements, and a major surgical flux managed by nephrologists. We conclude that hospitals with a program similar to us with integral approach of AVF and vascular access coordinator, the vascular access could be managed in an efficacy way.
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Campo C, Saavedra J, Segura J, Roldán C, Ruilope LM, Parati G. Correlations of smoothness index and trough-to-peak ratio with left ventricular mass index changes induced by lercanidipine in hypertensive patients. A pilot trial. Minerva Med 2005; 96:365-71. [PMID: 16227951] [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: 05/04/2023]
Abstract
AIM The aim of this study was to determine the correlation of changes in left ventricular mass, with changes in office blood pressure (BP) and in 24-h ambulatory (ABP), with the trough-to-peak (T/P) ratio and with the smoothness index (SI), as induced by antihypertensive treatment with lercanidipine. METHODS This was done through an observational, prospective, open, non-comparative, single centre, pilot study in patients naïve to antihypertensive therapy. All patients were treated with lercanidipine 10-20 mg/day plus hydrochlorothiazide 12.5-25 mg/day if treated BP exceeded an arbitrarily defined safety level (>160/100 mmHg) after 1 month on monotherapy. ABP monitoring was repeated after 1 month and after 6 months. Two-dimensional mode echocardiography was performed twice, at the beginning and end of the study. Seventeen patients were included in the final analysis (aged 45.8 +/- 10.7 years, 35% women). RESULTS Treatment-induced changes in left ventricular mass index (LVMI) were not found to correlate neither with changes in office BP, with changes in ABP values, nor with T/P. However, a significant correlation was found between LVMI changes and SI at 6 months (r=0.50, P=0.039). CONCLUSION The results of this study suggest that the SI has a higher predictive value, compared to other BP-derived parameters, for treatment-induced LVMI changes, in hypertensive patients treated with lercanidipine.
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Affiliation(s)
- C Campo
- Hypertension Unit, Hospital Universitario 12 de Octubre, Madrid, Spain.
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Rodriguez-Cerrato V, Ghaffar F, Saavedra J, Michelow IC, Hardy RD, Iglehart J, Olsen K, McCracken GH. BMS-284756 in experimental cephalosporin-resistant pneumococcal meningitis. Antimicrob Agents Chemother 2001; 45:3098-103. [PMID: 11600362 PMCID: PMC90788 DOI: 10.1128/aac.45.11.3098-3103.2001] [Citation(s) in RCA: 16] [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] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
BMS-284756 is a novel des-fluoro(6) quinolone with a broad antimicrobial activity, including Streptococcus pneumoniae. The purpose of this study was to evaluate the pharmacodynamic profile and effectiveness of BMS-284756 for therapy of experimental meningitis caused by penicillin- and cephalosporin-resistant S. pneumoniae (CRSP). Meningitis was induced in rabbits by intracisternal inoculation of CRSP. BMS-284756 was given intravenously 16 h after intracisternal inoculation in single doses of 2.5 (n = 5 animals), 5 (n = 6), 10 (n = 6), 20 (n = 8), and 30 mg/kg (n = 6), in two doses of 10 mg/kg each separated by 5 h (n = 4), and as a 20-mg/kg dose followed 5 h later by 10 mg/kg (n = 5). The MICs and MBCs of BMS-284756, ceftriaxone, and vancomycin were 0.06 and 0.06, 4 and 4, and 0.25 and 0.25 microg/ml, respectively. After single doses of 10, 20, and 30 mg/kg, the maximum concentrations in cerebrospinal fluid (CSF) (mean +/- standard deviation) were 0.32 +/- 0.12, 0.81 +/- 0.38, and 1.08 +/- 0.43 microg/ml, respectively; the elimination half-life in CSF was 4.5 to 6.3 h. The CSF bacterial killing rates (BKR) at 5 h of the single-dose regimens of 10, 20 and 30 mg/kg were -0.84 +/- 0.48, -1.09 +/- 0.32, and -1.35 +/- 0.05 Deltalog(10) CFU/ml/h. The BKR(0-5) of the divided regimens (10 mg/kg twice and 20 mg/kg followed by 10 mg/kg) was -0.82 +/- 0.52 and -1.24 +/- 0.34 Deltalog(10) CFU/ml/h, respectively. The BKR(0-5) of the combined therapy with vancomycin and ceftriaxone was -1.09 +/- 0.39 Deltalog(10) CFU/ml/h. The penetration of BMS-284756 into purulent CSF relative to plasma was 14 to 25%. The bactericidal effect of BMS-284756 in CSF was concentration dependent. BMS-284756 at 30 mg/kg as a single or divided dose was as effective as standard therapy with vancomycin and ceftriaxone.
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Affiliation(s)
- V Rodriguez-Cerrato
- Department of Pediatrics, The University of Texas Southwestern Medical Center, Dallas, Texas 75390-9063, USA.
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37
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Abstract
Angiotensin II (Ang II) regulates cerebral blood flow by stimulating cerebral vasoconstriction via AT1-receptors. In adult spontaneously hypertensive rats (SHR), the cerebrovascular autoregulatory curve is shifted to the right, in the direction of higher blood pressures, an indication of excessive cerebrovascular vasoconstriction. A restricted capacity to dilate cerebral blood vessels may be responsible for the enhanced vulnerability to cerebrovascular ischaemia during hypertension. We found that chronic treatment with the AT1-receptor antagonist, candesartan, (0.5 mg/kg/day for 14 days, via osmotic minipumps implanted in the subcutaneous tissue) blocked Ang II binding to AT1-receptors in cerebral blood vessels and in brain areas involved in the regulation of cerebrovascular flow, and increased the ratio of lumen-wall area in the middle cerebral artery. Candesartan treatment normalised the lower part of the autoregulatory curve in SHR, and markedly decreased cerebral ischaemia as a consequence of middle cerebral artery occlusion with reperfusion. Protection from ischaemia is related to arterial remodelling, enhanced compensatory vasodilatation in the peripheral area of ischaemia, decreased reduction in cerebral blood flow following the occlusion of a major cerebral blood vessel, and protection from injury in the periphery of the lesion. Our results indicate that pre-treatment with AT1-antagonists such as candesartan could be of benefit in the prevention and treatment of brain ischaemia.
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Affiliation(s)
- T Ito
- Section on Pharmacology, NIMH, NIH, Bethesda, MD 20892, USA
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38
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Vega-Dienstmaier J, Saavedra J. [Pseudoneurotic schizophrenia: a case report]. Actas Esp Psiquiatr 2001; 29:275-8. [PMID: 11470063] [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: 02/20/2023]
Abstract
We report a 34-years old woman, with a history of social anxiety, specific phobias and generalized anxiety symptoms, who presented for treatment with panic attacks and depression. She was started on paroxetine and presented exacerbation of the affective syndrome and onset of psychotic symptoms that persisted after the suspension of the antidepressant and responded to sulpiride and later to thioridazine. We discuss the pertinence of the diagnosis of pseudoneurotic schizophrenia and the comorbidity between psychosis and anxiety symptoms.
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Affiliation(s)
- J Vega-Dienstmaier
- Instituto Nacional de Salud Mental Honorio Delgado-Hideyo Noguchi y Universidad Peruana Cayetano Heredia, Lima, Perú.
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Abstract
Echinococcal infestation of the heart is uncommon. We report a case of a 35-year-old man with an hydatid cyst located in distal interventricular septum. Clinical presentation was chest pain and urticaria. Diagnosis was made by echocardiography and magnetic resonance imaging. Surgical resection was performed; the cyst was punctured and its content was drained, hypertonic glucose solution was instilled for sterilization, and it was removed. The patient did well and remains asymptomatic. Diagnosis and ultimate surgical treatment of this disease prevented potentially lethal complications such as cyst rupture with embolic phenomena and anaphylactic shock.
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Affiliation(s)
- J G Tejada
- Department of Cardiology and Cardiac Surgery, Doce de Octubre Hospital, Madrid, Spain.
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Lamas J, Alonso M, Saavedra J, García-Trío G, Rionda M, Ameijeiras M. [Costs of chronic dialysis in a public hospital: myths and realities]. Nefrologia 2001; 21:283-94. [PMID: 11471309] [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: 02/20/2023] Open
Abstract
In this study regular dialysis treatment costs during 1998 and 1999 in a public hospital, which is responsible for a population of 178,000, has been analysed. Hemodialysis (HD) and peritoneal dialysis (PD) costs have been differentiated and compared with those of external providers. The best technical and productive efficiency of both treatments have been estimated by analyzing the "treatment cost/human resources of the community utilized" relationship. The HD treatment costs per patient per year were 20,343 and 18,871 euros in 1988 and 1,999, respectively, lower than the costs reported in other studies. In 1999 these costs were similar to those of external providers and lower than the PD treatment costs (23,295 euros). HD retains its advantage even after costs of erythropoietin, hospital admissions and transport are included. In the hospital studied, the best technical efficiency in HD would be reached with 64 patients on treatment (17,851 euros per patient per year) and in PD with 48 patients (21,167 euros per patient per year). If we take into account our population characteristics and consider a patient distribution of 70% on HD and 30% on PD, the best productive efficiency would be reached with 56 patients on HD (17,916 euros per patient per year) and 24 patients on PD (21,813 euros per patient per year). HD confers the greatest economic and social benefits on the population supplied by the hospital since it provides the community with more jobs than PD in relation to treatment costs while the two yield the same clinical results. In conclusion, HD in a public hospital, at least in our environment, may be efficient and competitive with HD from external providers and it may be more efficient and provide a bigger economic and social profit for the population serviced by the hospital than PD, at least while the current supply systems for this treatment in our country are maintained.
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Affiliation(s)
- J Lamas
- Unidad de Nefrología, Hospital Meixoeiro, 36200 Vigo
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Wilson MW, Gordon RL, LaBerge JM, Saavedra J, Kerlan RK. Intravascular occluding device using a modified Gianturco stent as a coil cage. J Vasc Interv Radiol 2000; 11:221-4. [PMID: 10716394 DOI: 10.1016/s1051-0443(07)61469-9] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
Affiliation(s)
- M W Wilson
- Department of Radiology, University of California, San Francisco 94143, USA.
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Abstract
Numerous probiotic agents have been studied for the management of diarrheal disease. In particular, the prevention and management of acute viral diarrhea, the treatment of recurrent Clostridium difficile diarrhea, as well as the control of antibiotic-associated diarrhea seem to be areas of significant potential benefit. A few agents, including Lactobacillus GG, Lactobacillus reuteri, and Saccharomyces boulardii, seem to be promising agents for the amelioration of the course of acute diarrhea in children when used therapeutically. The use of other agents, particularly Bifidobacteria, supplementing the regular feed of infants may have an effect as prophylactic agents against acute diarrheal diseases. In general, in pediatric populations, the effect of probiotic agents appears to be most significant against viral (rotaviral) diarrhea, suggesting that an immunological mechanism is responsible for the beneficial effects. The numerous agents, doses, and populations used make generalization difficult. Nevertheless, it is clear probiotic agents are becoming an important part of the armamentarium against gastrointestinal problems in infants and children.
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Affiliation(s)
- J Saavedra
- Johns Hopkins Medical Center, Baltimore, Maryland 21287, USA
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Saavedra J, Garrido C, Folgueira D, Torres MJ, Ramos JT. Ochrobactrum anthropi bacteremia associated with a catheter in an immunocompromised child and review of the pediatric literature. Pediatr Infect Dis J 1999; 18:658-60. [PMID: 10440451 DOI: 10.1097/00006454-199907000-00023] [Citation(s) in RCA: 24] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Affiliation(s)
- J Saavedra
- Department of Pediatrics, Hospital Materno-Infantil Doce de Octubre, Madrid, Spain
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Saavedra J. [NUTRITIONAL CONSIDERATIONS AND MANAGEMENT OF SHORT BOWEL SYNDROME]. Rev Gastroenterol Peru 1999; 19:124-135. [PMID: 12196814] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Subscribe] [Scholar Register] [Indexed: 02/26/2023]
Abstract
Few conditions pose as great a challenge, in terms of long term nutritional care, as short bowel syndrome (SBS). Despite the complexity of care which children with SBS require, the great improvement in the prognosis and outcome over the past few decades can be attributed, in great measure, to advancements in both parenteral and enteral nutrition support. Most children can maintain normal growth and development while intestinal adaptation occurs, and ultimately achieve independence from parenteral nutrition. This review focuses on the nutritional consequences of severe malabsorption clinical problems which influence nutritional status, and parenteral and enteral nutritional recommendations. The importance of aggressive and persistant efforts with enteral feeding as a primary therapy to enhance bowel adaptation and tominimize complications is emphasized.
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Rodríguez J, Saavedra J, Fernández-Jurado A, Prados D. [Leuconostoc pseudomesenteroides bacteremia]. Sangre (Barc) 1999; 44:82-3. [PMID: 10323105] [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: 04/13/2023]
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Sheeran P, Jafri H, Carubelli C, Saavedra J, Johnson C, Krisher K, Sánchez PJ, Ramilo O. Elevated cytokine concentrations in the nasopharyngeal and tracheal secretions of children with respiratory syncytial virus disease. Pediatr Infect Dis J 1999; 18:115-22. [PMID: 10048682 DOI: 10.1097/00006454-199902000-00007] [Citation(s) in RCA: 198] [Impact Index Per Article: 7.9] [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: 11/25/2022]
Abstract
BACKGROUND Respiratory syncytial virus (RSV) is the most common cause of lower respiratory tract disease in infants. The role of inflammatory mediators in the pathogenesis of RSV disease is not well-understood. The present study was designed (1) to determine whether RANTES (regulated on activation, normal T cell expressed and presumably secreted), macrophage-inflammatory protein-1-alpha (MIP-1-alpha), interleukin (IL)-6, IL-8 and IL-10 can be detected in respiratory secretions of children with RSV infection and (2) to assess whether the concentrations of these cytokines in respiratory secretions correlate with white blood cell (WBC) counts and RSV concentrations and with disease severity. METHODS During the 1996 to 1997 RSV season, we studied prospectively 14 intubated and 14 nonintubated children hospitalized with RSV disease. Nasal wash (NW) and tracheal aspirate (TA) samples were obtained from intubated patients on Hospital Days 1, 3 and 5. NW samples were obtained from nonintubated patients on hospital days 1 and 3. Seven healthy children undergoing elective surgery served as controls. All samples were analyzed for: (1) WBC and differential counts; (2) concentrations of RANTES, MIP-1-alpha, IL-6, IL-8 and IL-10; and (3) quantitative RSV cultures, except in control patients. RESULTS RANTES, MIP-1-alpha, IL-6, IL-8 and IL-10 were detected in NW and TA samples from all children with RSV infection. The concentrations of these cytokines in samples obtained from children with RSV infection were significantly greater than those in samples obtained from control children. NW WBC counts significantly correlated with NW RANTES, IL-6, IL-8 and IL-10 concentrations, whereas TA WBC counts significantly correlated with TA IL-6, IL-8, IL-10 and MIP-1-alpha concentrations. NW RSV concentrations correlated with NW WBC counts and with NW cytokine concentrations. Among children with RSV infection nonintubated patients had greater NW WBC counts and NW RANTES concentrations than intubated patients. TA RANTES, IL-8 and IL-10 concentrations inversely correlated with clinical markers of RSV disease severity. CONCLUSION The presence of cytokines in NW and TA samples of children with RSV infection suggests that they have a role in mediating the respiratory tract inflammation induced by RSV. These observations could have implications for designing new therapeutic strategies directed at immunomodulation of RSV disease.
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Affiliation(s)
- P Sheeran
- Department of Pediatrics, University of Texas Southwestern Medical Center, Dallas, USA
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47
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Affiliation(s)
- J T Ramos
- Department of Pediatrics, Hospital 12 de Octubre, Madrid, Spain
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Lopez-Crapez E, Chypre C, Saavedra J, Marchand J, Grenier J. Rapid and large-scale method to detect K-ras gene mutations in tumor samples. Clin Chem 1997; 43:936-42. [PMID: 9191543] [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: 02/04/2023]
Abstract
We have developed a rapid and large-scale method for the detection of K-ras gene mutations in tumors. First, DNA is amplified by an asymmetric PCR; second, the single-strand dinitrophenyl (DNP)-labeled amplified DNA is hybridized specifically to oligonucleotide probes affixed on a tube. Finally, perfectly matched duplexes are easily detected by a monoclonal anti-DNP antibody bearing 125I. The usefulness of this technique is illustrated by analyzing K-ras codon 12 mutations in human colorectal samples. This reliable assay procedure can be applied to the rapid screening of virtually any genetic disease caused by previously described point mutations.
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Affiliation(s)
- E Lopez-Crapez
- C.R.L.C. Val d'Aurelle, Laboratoire de Radioanalyse, Montpellier, France
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Gosse S, Sauvaigo S, Daver A, Larra F, Saavedra J, Marchand J, Bernardgallon D, Bignon Y. Evaluation of the automated fluorescent analysis of the H-ras minisatellite after optimized PCR amplification in comparison with a standardized Southern blot technique. Int J Oncol 1997; 10:735-40. [PMID: 21533438 DOI: 10.3892/ijo.10.4.735] [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] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022] Open
Abstract
Determination of allele sizes? loss of heterozygosity or genetic instability at minisatellite VNTR loci, are routinely performed by the conventional Southern technique. We have investigated the potential use of automated DNA sequencer for the analysis of the H-ras minisatellite. We report the modifications of amplification parameters and electrophoresis conditions on the sequencer. Seventy-one colorectal carcinomas and the corresponding normal tissues were amplified with fluorescent-labeled primers, analyzed on sequencer, and concurrently controlled by Southern blotting. The results on sequencer showed that a Hydrolink matrix used in non-denaturing conditions and a specific analysis software facilitate a more accurate fragment size calculation.
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Affiliation(s)
- S Gosse
- CIS BIO INT,GIF SUR YVETTE,FRANCE. CEA,CIS BIO INT,GRENOBLE,FRANCE. CTR JEAN PERRIN,INSERM CRI 9402,MOL ONCOL LAB,F-63011 CLERMONT FERRAN 1,FRANCE
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