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Alfaro JM, Manrique R, Santamaría A, Álvarez E, Manes C, Jiménez M. Effects of endocrine disorders on maxillary and mandibular growth in Colombian children and adolescents: a cross-sectional study. Eur Arch Paediatr Dent 2024; 25:17-25. [PMID: 37999852 PMCID: PMC10942899 DOI: 10.1007/s40368-023-00850-x] [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] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2022] [Accepted: 09/15/2023] [Indexed: 11/25/2023]
Abstract
OBJECTIVE To establish the influence of overweight/obesity, medicated hypothyroidism, and medicated non-syndromic hypogrowth on maxillary and mandibular growth. MATERIALS AND METHODS The relation between 10 craniofacial anthropometric measurements and hypothyroidism (n = 216), overweight/obesity (n = 108), and non-syndromic hypogrowth (n = 250) were evaluated in patients aged 1-19 years and a control group of healthy patients (n = 587). A subgroup analysis was performed at the peak growth in all groups. RESULTS Patients with overweight/obesity and hypothyroidism showed increased craniofacial growth, while hypogrowth patients showed differences in zygomatic width and nasal base growth. Females with hypothyroidism and non-syndromic hypogrowth showed decreased head circumference at peak growth. Several anthropometric measurements were increased in patients with overweight/obesity, including head circumference. When all age groups were analyzed, overweight/obese and hypothyroidism patients showed increased zygomatic width while decreased hypogrowth. Overall, most craniofacial anthropometric measurements in overweight/obese patients were increased. Finally, the peak growth in males with hypothyroidism and subjects with non-syndromic hypogrowth was delayed compared to the control group (p < 0.05). CONCLUSIONS Children and adolescents with overweight/obesity and endocrine disorders showed alterations in craniofacial growth. Clinicians must be aware that the growth peak in these patients may be delayed when planning maxillary and mandibular orthopedic treatment.
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Affiliation(s)
- J M Alfaro
- Pediatric Endocrinologist, Pediatric Research Group, Medical School, CES Clinic, Medellín, Colombia
| | - R Manrique
- Epidemiology and Biostatistics Research Group, CES University, Medellín, Colombia
| | - A Santamaría
- LPH Research Group, Dental School, CES University, Medellín, Colombia
| | - E Álvarez
- Head and Neck Bioengineering Research Group, Dental School, CES University, Medellín, Colombia
| | - C Manes
- Master's Degree in Dental Sciences, CES University, Medellín, Colombia
| | - M Jiménez
- Master's Degree in Dental Sciences, CES University, Medellín, Colombia.
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2
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Traba J, Gómez‐Catasús J, Barrero A, Bustillo‐de la Rosa D, Zurdo J, Hervás I, Pérez‐Granados C, García de la Morena EL, Santamaría A, Reverter M. Comparative assessment of satellite- and drone-based vegetation indices to predict arthropod biomass in shrub-steppes. Ecol Appl 2022; 32:e2707. [PMID: 35808937 PMCID: PMC10078389 DOI: 10.1002/eap.2707] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/23/2021] [Revised: 04/19/2022] [Accepted: 05/24/2022] [Indexed: 06/15/2023]
Abstract
Arthropod biomass is a key element in ecosystem functionality and a basic food item for many species. It must be estimated through traditional costly field sampling, normally at just a few sampling points. Arthropod biomass and plant productivity should be narrowly related because a large majority of arthropods are herbivorous, and others depend on these. Quantifying plant productivity with satellite or aerial vehicle imagery is an easy and fast procedure already tested and implemented in agriculture and field ecology. However, the capability of satellite or aerial vehicle imagery for quantifying arthropod biomass and its relationship with plant productivity has been scarcely addressed. Here, we used unmanned aerial vehicle (UAV) and satellite Sentinel-2 (S2) imagery to establish a relationship between plant productivity and arthropod biomass estimated through ground-truth field sampling in shrub steppes. We UAV-sampled seven plots of 47.6-72.3 ha at a 4-cm pixel resolution, subsequently downscaling spatial resolution to 50 cm resolution. In parallel, we used S2 imagery from the same and other dates and locations at 10-m spatial resolution. We related several vegetation indices (VIs) with arthropod biomass (epigeous, coprophagous, and four functional consumer groups: predatory, detritivore, phytophagous, and diverse) estimated at 41-48 sampling stations for UAV flying plots and in 67-79 sampling stations for S2. VIs derived from UAV were consistently and positively related to all arthropod biomass groups. Three out of seven and six out of seven S2-derived VIs were positively related to epigeous and coprophagous arthropod biomass, respectively. The blue normalized difference VI (BNDVI) and enhanced normalized difference VI (ENDVI) showed consistent and positive relationships with arthropod biomass, regardless of the arthropod group or spatial resolution. Our results showed that UAV and S2-VI imagery data may be viable and cost-efficient alternatives for quantifying arthropod biomass at large scales in shrub steppes. The relationship between VI and arthropod biomass is probably habitat-dependent, so future research should address this relationship and include several habitats to validate VIs as proxies of arthropod biomass.
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Affiliation(s)
- J. Traba
- Terrestrial Ecology Group (TEG‐UAM). Department of EcologyUniversidad Autónoma de MadridMadridSpain
- Centro de Investigación en Biodiversidad y Cambio GlobalUniversidad Autónoma de MadridMadridSpain
| | - J. Gómez‐Catasús
- Terrestrial Ecology Group (TEG‐UAM). Department of EcologyUniversidad Autónoma de MadridMadridSpain
- Centro de Investigación en Biodiversidad y Cambio GlobalUniversidad Autónoma de MadridMadridSpain
- Novia University of Applied SciencesEkenäsFinland
| | - A. Barrero
- Terrestrial Ecology Group (TEG‐UAM). Department of EcologyUniversidad Autónoma de MadridMadridSpain
- Centro de Investigación en Biodiversidad y Cambio GlobalUniversidad Autónoma de MadridMadridSpain
| | - D. Bustillo‐de la Rosa
- Terrestrial Ecology Group (TEG‐UAM). Department of EcologyUniversidad Autónoma de MadridMadridSpain
- Centro de Investigación en Biodiversidad y Cambio GlobalUniversidad Autónoma de MadridMadridSpain
| | - J. Zurdo
- Terrestrial Ecology Group (TEG‐UAM). Department of EcologyUniversidad Autónoma de MadridMadridSpain
- Centro de Investigación en Biodiversidad y Cambio GlobalUniversidad Autónoma de MadridMadridSpain
| | - I. Hervás
- Terrestrial Ecology Group (TEG‐UAM). Department of EcologyUniversidad Autónoma de MadridMadridSpain
- Centro de Investigación en Biodiversidad y Cambio GlobalUniversidad Autónoma de MadridMadridSpain
| | - C. Pérez‐Granados
- Terrestrial Ecology Group (TEG‐UAM). Department of EcologyUniversidad Autónoma de MadridMadridSpain
- Ecology DepartmentAlicante UniversityAlicanteSpain
| | - E. L. García de la Morena
- Terrestrial Ecology Group (TEG‐UAM). Department of EcologyUniversidad Autónoma de MadridMadridSpain
- Biodiversity Node S.L. Sector ForestaMadridSpain
| | - A. Santamaría
- Terrestrial Ecology Group (TEG‐UAM). Department of EcologyUniversidad Autónoma de MadridMadridSpain
- Centro de Investigación en Biodiversidad y Cambio GlobalUniversidad Autónoma de MadridMadridSpain
| | - M. Reverter
- Terrestrial Ecology Group (TEG‐UAM). Department of EcologyUniversidad Autónoma de MadridMadridSpain
- Centro de Investigación en Biodiversidad y Cambio GlobalUniversidad Autónoma de MadridMadridSpain
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3
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Escribano BM, Muñoz-Jurado A, Caballero-Villarraso J, Valdelvira ME, Giraldo AI, Paz-Rojas E, Gascón F, Santamaría A, Agüera E, Túnez I. Protective effects of melatonin on changes occurring in the experimental autoimmune encephalomyelitis model of multiple sclerosis. Mult Scler Relat Disord 2022; 58:103520. [PMID: 35038645 DOI: 10.1016/j.msard.2022.103520] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2021] [Revised: 12/27/2021] [Accepted: 01/09/2022] [Indexed: 01/06/2023]
Abstract
BACKGROUND Melatonin has been related to the pathophysiology of multiple sclerosis (MS), and its anti-inflammatory and immunomodulatory properties have been proved in numerous neurodegenerative diseases. This study aimed to find out whether a melatonin supplement in MS is able to act as a benefit to its clinical status, i.e. oxidative stress, inflammation and indirect biomarkers of bacterial dysbiosis, lipopolysaccharide (LPS) and LPS-binding protein (LBP), verifying its therapeutic potential and its possible clinical use in patients with MS. METHODS The animal MS model, experimental autoimmune encephalomyelitis (EAE), was employed whereby 25 male Dark Agouti rats (5 animals per group) were divided into: a control group (not manipulated); a control+vehicle group; a control+melatonin group; an EAE group; an EAE+melatonin group. Melatonin was administered daily for 51 days, at a dose of 1 mg/kg body weight/i.p., once a day, five days a week. RESULTS The results from the administration of melatonin demonstrated an improvement in clinical status, a diminution in oxidative stress and inflammation, as well as in bacterial dysbiosis. CONCLUSION Melatonin could play an effective role against MS, either alone or as a therapy combined with traditional agents.
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Affiliation(s)
- Begoña María Escribano
- Department of Cell Biology, Physiology and Immunology, Faculty of Veterinary Medicine, Campus of Rabanales, University of Cordoba, Cordoba 14071, Spain; Maimonides Institute for Research in Biomedicine of Cordoba, (IMIBC), Cordoba, Spain.
| | - A Muñoz-Jurado
- Department of Cell Biology, Physiology and Immunology, Faculty of Veterinary Medicine, Campus of Rabanales, University of Cordoba, Cordoba 14071, Spain
| | - J Caballero-Villarraso
- Maimonides Institute for Research in Biomedicine of Cordoba, (IMIBC), Cordoba, Spain; Department of Biochemistry and Molecular Biology, Faculty of Medicine and Nursing, University of Cordoba, Av. Menendez Pidal, Cordoba 14004, Spain; Clinical Analysis Service, Reina Sofia University Hospital, Cordoba, Spain
| | - M E Valdelvira
- Department of Biochemistry and Molecular Biology, Faculty of Medicine and Nursing, University of Cordoba, Av. Menendez Pidal, Cordoba 14004, Spain
| | - A I Giraldo
- Maimonides Institute for Research in Biomedicine of Cordoba, (IMIBC), Cordoba, Spain; Department of Biochemistry and Molecular Biology, Faculty of Medicine and Nursing, University of Cordoba, Av. Menendez Pidal, Cordoba 14004, Spain
| | - E Paz-Rojas
- Maimonides Institute for Research in Biomedicine of Cordoba, (IMIBC), Cordoba, Spain; Multiplex Biopharma S.L., Rabanales 21, Cordoba, Spain
| | - F Gascón
- Maimonides Institute for Research in Biomedicine of Cordoba, (IMIBC), Cordoba, Spain; Clinical Analysis Service, Valle de los Pedroches, Hospital, Cordoba, Spain
| | - A Santamaría
- Laboratory of Exciting Amino Acids, National Institute of Neurology and Neurosurgery, Mexico City, Mexico
| | - E Agüera
- Maimonides Institute for Research in Biomedicine of Cordoba, (IMIBC), Cordoba, Spain; Neurology Service, Reina Sofia University Hospital, Cordoba, Spain
| | - Isaac Túnez
- Maimonides Institute for Research in Biomedicine of Cordoba, (IMIBC), Cordoba, Spain; Department of Biochemistry and Molecular Biology, Faculty of Medicine and Nursing, University of Cordoba, Av. Menendez Pidal, Cordoba 14004, Spain; Cooperative Research Thematic Excellent Network on Brain Stimulation (REDESTIM), Spain.
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4
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Morote J, Triquell M, Borque A, Esteban L, Celma A, Roche S, De Torres I, Mast R, Semidey M, Regis L, Santamaría A, Abascal J, Solà C, Servián P, Salvador D, Planas J, Trilla E. A predictive tool for clinically significant prostate cancer detection in men with prostate cancer suspicion. Eur Urol 2021. [DOI: 10.1016/s0302-2838(21)01280-x] [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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5
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Mariño-Sánchez F, Valls-Mateus M, Fragola C, de los Santos G, Aguirre A, Alonso J, Valero J, Santamaría A, Rojas Lechuga MJ, Cobeta I, Alobid I, Mullol J. Pediatric Barcelona Olfactory Test ̶ 6 (pBOT-6): Validation of a Combined Odor Identification and Threshold Screening Test in Healthy Spanish Children and Adolescents. J Investig Allergol Clin Immunol 2020; 30:439-447. [DOI: 10.18176/jiaci.0451] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
Background: Few odor tests have been developed for children. Objectives: The aim of the present study was to develop and validate a simple and quick olfactory test to evaluate odor identification and threshold in a Spanish pediatric population. Methods: The Pediatric Barcelona Olfactory Test-6 (pBOT-6) consisted of a set of 6 odorants for a forced choice identification test and a 6-dilution phenyl ethyl alcohol geometric series for the threshold test. The pBOT-6 was compared with the Universal Sniff test (a validated international pediatric smell test) in 131 healthy Spanish volunteers aged 6-17 years. A Bland-Altman plot was used to determine the agreement between the 2 tests. Reliability was analyzed in 15 volunteers using the intraclass correlation coefficient. Normative data were obtained, and 8 children diagnosed with subjective loss of smell were tested for validation. Results: The Bland-Altman analysis demonstrated a minimal bias of –1.71% with upper and lower limits of agreement of –31.1% and 27.6%, respectively. The intraclass correlation coefficient was 0.83 (95%CI, 0.6-0.96) for the identification test and 0.73 (95%CI, 0.36-0.9) for the threshold test, with excellent and good consistency between measurements over time. Mean pBOT-6 scores were significantly higher in healthy volunteers than in patients with loss of smell. Discrimination between normosmia and loss of smell was achieved with a sensitivity of 96.9% and a specificity of 100%. Conclusions: pBOT-6 offers an effective and fast method that is useful in clinical routine to distinguish, with high sensitivity and specificity, between pediatric patients with normosmia and those with loss of smell.
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Izquierdo-Domínguez A, Rojas-Lechuga MJ, Chiesa-Estomba C, Calvo-Henríquez C, Ninchritz-Becerra E, Soriano-Reixach M, Poletti-Serafini D, Villarreal IM, Maza-Solano JM, Moreno-Luna R, Villarroel PP, Mateos-Serrano B, Agudelo D, Valcarcel F, Del Cuvillo A, Santamaría A, Mariño-Sánchez F, Aguilar J, Vergés P, Inciarte A, Soriano A, Mullol J, Alobid I. Smell and Taste Dysfunction in COVID-19 Is Associated With Younger Age in Ambulatory Settings: A Multicenter Cross-Sectional Study. J Investig Allergol Clin Immunol 2020; 30:346-357. [PMID: 32554337 DOI: 10.18176/jiaci.0595] [Citation(s) in RCA: 70] [Impact Index Per Article: 17.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
BACKGROUND AND OBJECTIVE Since the initial anecdotal reports of coronavirus disease 2019 (COVID-19) from China, a growing number of studies have reported on smell and/or taste dysfunction (STD). Objective: The aim of our study was to investigate the frequency and severity of STD in COVID-19 patients and to evaluate the association with demographic characteristics, hospital admission, symptoms, comorbidities, and blood biomarkers. METHODS We performed a multicenter cross-sectional study on patients who were positive for SARS-CoV-2 (n=846) and controls (n=143) from 15 Spanish hospitals. Data on STD were collected prospectively using an in-person survey. The severity of STD was categorized using a visual analog scale. We analyzed time to onset, recovery rate, time to recovery, hospital admission, pneumonia, comorbidities, smoking, and symptoms. RESULTS STD was at least 2-fold more common in COVID-19-positive patients than in controls. COVID-19-positive hospitalized patients were older, with a lower frequency of STD, and recovered earlier than outpatients. Analysis stratified by severity of STD showed that more than half of COVID-19 patients presented severe loss of smell (53.7%) or taste (52.2%); both senses were impaired in >90%. In the multivariate analysis, older age (>60 years), being hospitalized, and increased C-reactive protein were associated with a better sense of smell and/or taste. COVID-19-positive patients reported improvement in smell (45.6%) and taste (46.1%) at the time of the survey; in 90.6% this was within 2 weeks of infection. CONCLUSION STD is a common symptom in COVID-19 and presents mainly in young and nonhospitalized patients. More studies are needed to evaluate follow-up of chemosensory impairment.
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Affiliation(s)
- A Izquierdo-Domínguez
- Department of Allergy, Consorci Sanitari de Terrassa, Barcelona, Spain.,Unidad Alergo Rino, Centro Médico Teknon, Barcelona, Spain.,Department of Allergy, Clínica Diagonal, Barcelona, Spain
| | - M J Rojas-Lechuga
- Rhinology Unit & Smell Clinic, Department of Otorhinolaryngology, Hospital Clinic Barcelona, Universitat de Barcelona, Barcelona, Spain.,Clinical and Experimental Respiratory Immunoallergy, IDIBAPS, Barcelona, Spain.,CIBER of Respiratory Diseases (CIBERES), Spain
| | - C Chiesa-Estomba
- Department of Otorhinolaryngology, Donostia University Hospital, San Sebastian, Spain
| | - C Calvo-Henríquez
- Department of Otorhinolaryngology, Hospital Complex of Santiago de Compostela, Santiago de Compostela, Spain
| | - E Ninchritz-Becerra
- Department of Otorhinolaryngology, Donostia University Hospital, San Sebastian, Spain
| | - M Soriano-Reixach
- Department of Otorhinolaryngology, Donostia University Hospital, San Sebastian, Spain
| | - D Poletti-Serafini
- Rhinology Section, Department of Otorhinolaryngology, Hospital General Universitario Gregorio Marañón and Hospital La Milagrosa, Spain
| | - I M Villarreal
- Department of Otorhinolaryngology, Hospital Universitario de Fuenlabrada and Hospital La Milagrosa, Spain
| | - J M Maza-Solano
- Rhinology and Skull Base Unit, Department of Otorhinolaryngology, University Hospital Virgen de la Macarena, Seville, Spain
| | - R Moreno-Luna
- Rhinology and Skull Base Unit, Department of Otorhinolaryngology, University Hospital Virgen de la Macarena, Seville, Spain
| | - P P Villarroel
- Department of Otorhinolaryngology, Hospital Universitario Virgen de las Nieves, Granada, Spain
| | - B Mateos-Serrano
- Department of Otolaryngology, Hospital Universitario La Paz, Spain
| | - D Agudelo
- Department of Otorhinolaryngology, Hospital de Sant Joan Despí Moisès Broggi, Barcelona, Spain
| | - F Valcarcel
- Rhinology Section, Department of Otorhinolaryngology, Hospital Universitario de Cruces, Bilbao, Spain
| | - A Del Cuvillo
- Rhinology and asthma Unit, UGC ORL Hospital de Jerez, Servicio Andaluz de Salud, Cadiz, Spain
| | - A Santamaría
- Department of Otorhinolaryngology, Hospital Ramón y Cajal, Madrid, Spain
| | - F Mariño-Sánchez
- Clinical and Experimental Respiratory Immunoallergy, IDIBAPS, Barcelona, Spain.,CIBER of Respiratory Diseases (CIBERES), Spain.,Department of Otorhinolaryngology, Hospital Ramón y Cajal, Madrid, Spain
| | - J Aguilar
- Department of Otorhinolaryngology, Hospital Reina Sofía de Córdoba, Córdoba, Spain
| | - P Vergés
- Department of Otorhinolaryngology, Hospital Vall d´Hebron, Barcelona, Spain
| | - A Inciarte
- Department of Infectious Diseases, Hospital Clínic Barcelona, Universitat de Barcelona, Barcelona, Spain
| | - A Soriano
- Department of Infectious Diseases, Hospital Clínic Barcelona, Universitat de Barcelona, Barcelona, Spain
| | - J Mullol
- Rhinology Unit & Smell Clinic, Department of Otorhinolaryngology, Hospital Clinic Barcelona, Universitat de Barcelona, Barcelona, Spain.,Clinical and Experimental Respiratory Immunoallergy, IDIBAPS, Barcelona, Spain.,CIBER of Respiratory Diseases (CIBERES), Spain
| | - I Alobid
- Unidad Alergo Rino, Centro Médico Teknon, Barcelona, Spain.,Rhinology Unit & Smell Clinic, Department of Otorhinolaryngology, Hospital Clinic Barcelona, Universitat de Barcelona, Barcelona, Spain.,Clinical and Experimental Respiratory Immunoallergy, IDIBAPS, Barcelona, Spain.,CIBER of Respiratory Diseases (CIBERES), Spain
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7
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Orozco-Morales M, Hernandez-Pedro N, Barrios-Bernal P, Arrieta O, Ruiz-Godoy L, Santamaría A, Colín-González A. P1.20 S-allyl Cysteine Induces Cytotoxic Effects on Human NSCLC Cell Lines. J Thorac Oncol 2019. [DOI: 10.1016/j.jtho.2019.09.155] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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Fernández-Caballero M, Martinez MF, Oristrell G, Palmer N, Santamaría A. Off-pump technique and replacement therapy for coronary artery bypass surgery in a patient with hemophilia B. J Thromb Thrombolysis 2019; 48:299-302. [PMID: 31152365 DOI: 10.1007/s11239-019-01888-9] [Citation(s) in RCA: 5] [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] [Indexed: 10/26/2022]
Abstract
Antithrombotic treatment and perioperative management in patients with hemophilia remains a challenge. As life expectancy in these patients is increasing, a concern about cardiovascular diseases is emerging. Herein we present the case of a 68 year-old patient with mild hemophilia B and multivessel coronary disease who underwent coronary artery bypass grafting (CABG) surgery. Off-pump surgery with continuous infusion FIX treatment was performed successfully with stable factor IX levels, and no bleeding or thrombotic complications. There is a paucity of cases reported regarding management of CABG in this population. To our knowledge, this is the first patient with mild hemophilia B that underwent CABG surgery with off-pump technique, that seems to be a secure and effective procedure.
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Affiliation(s)
- M Fernández-Caballero
- Hemophilia and Thrombosis Unit, Department of Hematology, Vall d'Hebron University Hospital, Barcelona, Spain.
| | - M F Martinez
- Hemophilia and Thrombosis Unit, Department of Hematology, Vall d'Hebron University Hospital, Barcelona, Spain
| | - G Oristrell
- Department of Cardiology, Vall d'Hebron University Hospital, Barcelona, Spain
| | - N Palmer
- Department of Cardiac Surgery, Vall d'Hebron University Hospital, Barcelona, Spain
| | - A Santamaría
- Hemophilia and Thrombosis Unit, Department of Hematology, Vall d'Hebron University Hospital, Barcelona, Spain
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Sangroniz L, Sangroniz A, Alegria A, Fernandez M, Irusta L, Müller A, Etxeberria A, Santamaría A. Effect of hydrogen bonding on the physicochemical and rheological features of chemically modified phenoxy. POLYMER 2018. [DOI: 10.1016/j.polymer.2018.11.002] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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10
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Conde C, Escribano BM, Luque E, Aguilar-Luque M, Feijóo M, Ochoa JJ, LaTorre M, Giraldo AI, Lillo R, Agüera E, Santamaría A, Túnez I. The protective effect of extra-virgin olive oil in the experimental model of multiple sclerosis in the rat. Nutr Neurosci 2018; 23:37-48. [PMID: 29730972 DOI: 10.1080/1028415x.2018.1469281] [Citation(s) in RCA: 15] [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: 12/23/2022]
Abstract
This study has evaluated the effect of EVOO (Extra-Virgin olive oil), OA (oleic acid) and HT (hydroxytyrosol) in an induced model of MS through experimental autoimmune encephalomyelitis (EAE).Dark Agouti 2-month old rats (25 males) were divided into five groups: (i) control group, (ii) EAE group, (iii) EAE+EVOO, (iv) EAE+HT, and (v) EAE+OA. At 65 days, the animals were sacrificed and the glutathione redox system and bacterial lipopolysaccharide (LPS) and LPS-binding protein (LBP) products of the microbiota in brain, spinal cord, and blood were evaluated.Gastric administration of EVOO, OA, and HT reduced the degree of lipid and protein oxidation, and increased glutathione peroxidase, making it a diet-based mechanism for enhancing protection against oxidative damage. In addition, it reduced the levels of LPS and LBP, which appeared as being increased in the EAE correlated with the oxidative stress produced by the disease.
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Affiliation(s)
- C Conde
- Neurology Service, Reina Sofia University Hospital, Cordoba, Spain.,Maimonides Institute for Research in Biomedicine of Cordoba, (IMIBC), Cordoba, Spain
| | - B M Escribano
- Maimonides Institute for Research in Biomedicine of Cordoba, (IMIBC), Cordoba, Spain.,Department of Cell Biology, Physiology and Immunology, Faculty of Veterinary Medicine, University of Cordoba, Spain
| | - E Luque
- Maimonides Institute for Research in Biomedicine of Cordoba, (IMIBC), Cordoba, Spain.,Department of Morphological Sciences, Histology Section, Faculty of Medicine and Nursing, University of Cordoba, Spain
| | - M Aguilar-Luque
- Maimonides Institute for Research in Biomedicine of Cordoba, (IMIBC), Cordoba, Spain.,Department of Biochemistry and Molecular Biology, Faculty of Medicine and Nursing, University of Cordoba, Spain
| | - M Feijóo
- Maimonides Institute for Research in Biomedicine of Cordoba, (IMIBC), Cordoba, Spain.,Department of Biochemistry and Molecular Biology, Faculty of Medicine and Nursing, University of Cordoba, Spain
| | - J J Ochoa
- Neurology Service, Reina Sofia University Hospital, Cordoba, Spain
| | - M LaTorre
- Maimonides Institute for Research in Biomedicine of Cordoba, (IMIBC), Cordoba, Spain.,Department of Biochemistry and Molecular Biology, Faculty of Medicine and Nursing, University of Cordoba, Spain
| | - A I Giraldo
- Maimonides Institute for Research in Biomedicine of Cordoba, (IMIBC), Cordoba, Spain.,Department of Biochemistry and Molecular Biology, Faculty of Medicine and Nursing, University of Cordoba, Spain
| | - R Lillo
- Maimonides Institute for Research in Biomedicine of Cordoba, (IMIBC), Cordoba, Spain.,Department of Socio-sanitary Sciences and Radiology and Physical Medicine, Psychiatry Section, Faculty of Medicine and Nursing, University of Cordoba, Spain
| | - E Agüera
- Neurology Service, Reina Sofia University Hospital, Cordoba, Spain.,Maimonides Institute for Research in Biomedicine of Cordoba, (IMIBC), Cordoba, Spain
| | - A Santamaría
- Neurology and Neurosurgery National Institute, Mexico City, Mexico
| | - I Túnez
- Maimonides Institute for Research in Biomedicine of Cordoba, (IMIBC), Cordoba, Spain.,Department of Biochemistry and Molecular Biology, Faculty of Medicine and Nursing, University of Cordoba, Spain.,Cooperative Research Thematic Network on Aging and Frailty (RETICEF)
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11
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Sangroniz L, Alamo RG, Cavallo D, Santamaría A, Müller AJ, Alegría A. Differences between Isotropic and Self-Nucleated PCL Melts Detected by Dielectric Experiments. Macromolecules 2018. [DOI: 10.1021/acs.macromol.8b00708] [Citation(s) in RCA: 38] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- L. Sangroniz
- POLYMAT and Polymer Science and Technology Department, Faculty of Chemistry, University of the Basque Country UPV/EHU, Paseo Manuel de Lardizabal 3, 20018, Donostia-San Sebastián, Spain
| | - R. G. Alamo
- Department of Chemical and Biomedical Engineering, FAMU-FSU College of Engineering, 2525 Pottsdamer St., Tallahassee, Florida 32310-6046, United States
| | - D. Cavallo
- Department of Chemistry and Industrial Chemistry, University of Genova, Genova, Italy
| | - A. Santamaría
- POLYMAT and Polymer Science and Technology Department, Faculty of Chemistry, University of the Basque Country UPV/EHU, Paseo Manuel de Lardizabal 3, 20018, Donostia-San Sebastián, Spain
| | - A. J. Müller
- POLYMAT and Polymer Science and Technology Department, Faculty of Chemistry, University of the Basque Country UPV/EHU, Paseo Manuel de Lardizabal 3, 20018, Donostia-San Sebastián, Spain
- IKERBASQUE, Basque
Foundation for Science, Bilbao, Spain
| | - A. Alegría
- Departamento de Física de Materiales, University of the Basque Country UPV/EHU and Centro de Física de Materiales (CFM) (CSIC-UPV/EHU) - Materials Physics Center (MPC), Paseo Manuel de Lardizabal 5, 20018 San Sebastián, Spain
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Varela-Magallon A, Johansson E, Olivera P, Canals T, Pons V, Bosch F, Santamaría A. P-024: Direct oral anticoagulation (DOACs) in women with active cancer and atrial fibrillation (AF): a good example of personalised anticoagulation. Thromb Res 2017. [DOI: 10.1016/s0049-3848(17)30122-6] [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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13
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Ramírez I, Quesada M, Peinado M, Santamaría A. P-026: The prevalence of concomitant prothrombotic risk factors in women with thrombosis related to hormonal treatment (HT). Thromb Res 2017. [DOI: 10.1016/s0049-3848(17)30124-x] [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: 11/17/2022]
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14
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Pons V, Olivera P, Canals T, Johansson E, Vallejos N, Varela A, Constans M, Cortina V, Bosch F, Santamaría A. P-025: Evaluation of haemostatic disorders in adolescent girls. Thromb Res 2017. [DOI: 10.1016/s0049-3848(17)30123-8] [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: 11/29/2022]
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15
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Colín-González A, Paz-Loyola A, Serratos I, Seminotti B, Ribeiro C, Leipnitz G, Souza D, Wajner M, Santamaría A. Toxic synergism between quinolinic acid and organic acids accumulating in glutaric acidemia type I and in disorders of propionate metabolism in rat brain synaptosomes: Relevance for metabolic acidemias. Neuroscience 2015; 308:64-74. [DOI: 10.1016/j.neuroscience.2015.09.002] [Citation(s) in RCA: 19] [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] [Received: 06/29/2015] [Revised: 08/29/2015] [Accepted: 09/01/2015] [Indexed: 12/11/2022]
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16
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Colín-González AL, Paz-Loyola AL, Serratos IN, Seminotti B, Ribeiro CAJ, Leipnitz G, Souza DO, Wajner M, Santamaría A. The effect of WIN 55,212-2 suggests a cannabinoid-sensitive component in the early toxicity induced by organic acids accumulating in glutaric acidemia type I and in related disorders of propionate metabolism in rat brain synaptosomes. Neuroscience 2015; 310:578-88. [PMID: 26431622 DOI: 10.1016/j.neuroscience.2015.09.043] [Citation(s) in RCA: 9] [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] [Subscribe] [Scholar Register] [Received: 04/22/2015] [Revised: 09/03/2015] [Accepted: 09/18/2015] [Indexed: 10/23/2022]
Abstract
Several physiological processes in the CNS are regulated by the endocannabinoid system (ECS). Cannabinoid receptors (CBr) and CBr agonists have been involved in the modulation of the N-methyl-D-aspartate receptor (NMDAr) activation. Glutaric (GA), 3-hydroxyglutaric (3-OHGA), methylmalonic (MMA) and propionic (PA) acids are endogenous metabolites produced and accumulated in the brain of children affected by severe organic acidemias (OAs) with neurodegeneration. Oxidative stress and excitotoxicity have been involved in the toxic pattern exerted by these organic acids. Studying the early pattern of toxicity exerted by these metabolites is crucial to explain the extent of damage that they can produce in the brain. Herein, we investigated the effects of the synthetic CBr agonist WIN 55,212-2 (WIN) on early markers of GA-, 3-OHGA-, MMA- and PA-induced toxicity in brain synaptosomes from adult (90-day-old) and adolescent (30-day-old) rats. As pre-treatment, WIN exerted protective effects on the GA- and MMA-induced mitochondrial dysfunction, and prevented the reactive oxygen species (ROS) formation and lipid peroxidation induced by all metabolites. Our findings support a protective and modulatory role of cannabinoids in the early toxic events elicited by toxic metabolites involved in OAs.
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Affiliation(s)
- A L Colín-González
- Laboratorio de Aminoácidos Excitadores, Instituto Nacional de Neurología y Neurocirugía, S.S.A., Mexico City, Mexico
| | - A L Paz-Loyola
- Laboratorio de Aminoácidos Excitadores, Instituto Nacional de Neurología y Neurocirugía, S.S.A., Mexico City, Mexico
| | - I N Serratos
- Laboratorio de Aminoácidos Excitadores, Instituto Nacional de Neurología y Neurocirugía, S.S.A., Mexico City, Mexico; Departamento de Química, Universidad Autónoma Metropolitana-Iztapalapa, Mexico
| | - B Seminotti
- Departamento de Bioquímica, Instituto de Ciências Básicas da Sáude, Universidade Federal do Rio Grande do Sul, Porto Alegre, RS, Brazil
| | - C A J Ribeiro
- Departamento de Bioquímica, Instituto de Ciências Básicas da Sáude, Universidade Federal do Rio Grande do Sul, Porto Alegre, RS, Brazil
| | - G Leipnitz
- Departamento de Bioquímica, Instituto de Ciências Básicas da Sáude, Universidade Federal do Rio Grande do Sul, Porto Alegre, RS, Brazil
| | - D O Souza
- Departamento de Bioquímica, Instituto de Ciências Básicas da Sáude, Universidade Federal do Rio Grande do Sul, Porto Alegre, RS, Brazil
| | - M Wajner
- Departamento de Bioquímica, Instituto de Ciências Básicas da Sáude, Universidade Federal do Rio Grande do Sul, Porto Alegre, RS, Brazil; Serviço de Genética Médica, Hospital de Clínicas de Porto Alegre, Porto Alegre, RS, Brazil.
| | - A Santamaría
- Laboratorio de Aminoácidos Excitadores, Instituto Nacional de Neurología y Neurocirugía, S.S.A., Mexico City, Mexico.
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17
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Rangel-López E, Colín-González A, Paz-Loyola A, Pinzón E, Torres I, Serratos I, Castellanos P, Wajner M, Souza D, Santamaría A. Cannabinoid receptor agonists reduce the short-term mitochondrial dysfunction and oxidative stress linked to excitotoxicity in the rat brain. Neuroscience 2015; 285:97-106. [DOI: 10.1016/j.neuroscience.2014.11.016] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2014] [Revised: 11/03/2014] [Accepted: 11/07/2014] [Indexed: 12/12/2022]
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18
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Hernández-Andrade E, Cortés-Camberos AJ, Díaz NF, Flores-Herrera H, García-López G, González-Jiménez M, Santamaría A, Molina-Hernández A. Altered levels of brain neurotransmitter from new born rabbits with intrauterine restriction. Neurosci Lett 2014; 584:60-5. [PMID: 25304540 DOI: 10.1016/j.neulet.2014.09.051] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2014] [Revised: 09/26/2014] [Accepted: 09/27/2014] [Indexed: 12/18/2022]
Abstract
Fetal intrauterine growth restriction generates chronic hypoxia due to placental insufficiency. Despite the hemodynamic process of blood flow, redistributions are taking place in key organs such as the fetal brain during intrauterine growth restriction, in order to maintain oxygen and nutrients supply. The risk of short- and long-term neurological effects are still present in hypoxic offspring. Most studies previously reported the effect of hypoxia on the levels of a single neurotransmitter, making it difficult to have a better understanding of the relationship among neurotransmitter levels and the defects reported in products that suffer intrauterine growth restriction, such as motor development, coordination and execution of movement, and the learning-memory process. The aim of this study was to evaluate the levels of gamma-aminobutyric acid, glutamate, dopamine and serotonin in three structures of the brain related to the above-mentioned function such as the cerebral cortex, the striatum, and the hippocampus in the chronic hypoxic newborn rabbit model. Our results showed a significant increase in glutamate and dopamine levels in all studied brain structures and a significant decrease in gamma-aminobutyric acid levels but only in the striatum, suggesting that the imbalance on the levels of several neurotransmitters could be involved in new born brain damage due to perinatal hypoxia.
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Affiliation(s)
- E Hernández-Andrade
- Dirección de Investigación Clínica, Instituto Nacional de Perinatología, 11000, Mexico.
| | - A J Cortés-Camberos
- Laboratorio de Aminoácidos Excitadores, Instituto Nacional de Neurología y Neurocirugía, 14269, Mexico.
| | - N F Díaz
- Departamento de Biología Celular, Instituto Nacional de Perinatología, 11000, Mexico.
| | - H Flores-Herrera
- Departamento de Bioquímica y Biología Molecular, Instituto Nacional de Perinatología, 11000, Mexico.
| | - G García-López
- Departamento de Biología Celular, Instituto Nacional de Perinatología, 11000, Mexico.
| | - M González-Jiménez
- Departamento de Biología Celular, Instituto Nacional de Perinatología, 11000, Mexico.
| | - A Santamaría
- Laboratorio de Aminoácidos Excitadores, Instituto Nacional de Neurología y Neurocirugía, 14269, Mexico.
| | - A Molina-Hernández
- Departamento de Biología Celular, Instituto Nacional de Perinatología, 11000, Mexico.
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19
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Santana-Martínez RA, Galván-Arzáte S, Hernández-Pando R, Chánez-Cárdenas ME, Avila-Chávez E, López-Acosta G, Pedraza-Chaverrí J, Santamaría A, Maldonado PD. Sulforaphane reduces the alterations induced by quinolinic acid: modulation of glutathione levels. Neuroscience 2014; 272:188-98. [PMID: 24814729 DOI: 10.1016/j.neuroscience.2014.04.043] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2013] [Revised: 04/11/2014] [Accepted: 04/16/2014] [Indexed: 01/07/2023]
Abstract
Glutamate-induced excitotoxicity involves a state of acute oxidative stress, which is a crucial event during neuronal degeneration and is part of the physiopathology of neurodegenerative diseases. In this work, we evaluated the ability of sulforaphane (SULF), a natural dietary isothiocyanate, to induce the activation of transcription factor Nrf2 (a master regulator of redox state in the cell) in a model of striatal degeneration in rats infused with quinolinic acid (QUIN). Male Wistar rats received SULF (5mg/kg, i.p.) 24h and 5min before the intrastriatal infusion of QUIN. SULF increased the reduced glutathione (GSH) levels 4h after QUIN infusion, which was associated with its ability to increase the activity of glutathione reductase (GR), an antioxidant enzyme capable to regenerate GSH levels at 24h. Moreover, SULF treatment increased glutathione peroxidase (GPx) activity, while no changes were observed in γ-glutamyl cysteine ligase (GCL) activity. SULF treatment also prevented QUIN-induced oxidative stress (measured by oxidized proteins levels), the histological damage and the circling behavior. These results suggest that the protective effect of SULF could be related to its ability to preserve GSH levels and increase GPx and GR activities.
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Affiliation(s)
- R A Santana-Martínez
- Laboratorio de Patología Vascular Cerebral, Instituto Nacional de Neurología y Neurocirugía Manuel Velasco Suárez, Mexico City 14269, Mexico
| | - S Galván-Arzáte
- Departamento de Neuroquímica, Instituto Nacional de Neurología y Neurocirugía Manuel Velasco Suárez, Mexico City 14269, Mexico
| | - R Hernández-Pando
- Laboratorio de Patología, Instituto Nacional de Ciencias Médicas y Nutrición Salvador Zubirán, Mexico City 14000, Mexico
| | - M E Chánez-Cárdenas
- Laboratorio de Patología Vascular Cerebral, Instituto Nacional de Neurología y Neurocirugía Manuel Velasco Suárez, Mexico City 14269, Mexico
| | - E Avila-Chávez
- Departamento de Biología de la Reproducción, Instituto Nacional de Ciencias Médicas y Nutrición Salvador Zubirán, Mexico City 14000, Mexico
| | - G López-Acosta
- Laboratorio de Patología Vascular Cerebral, Instituto Nacional de Neurología y Neurocirugía Manuel Velasco Suárez, Mexico City 14269, Mexico
| | - J Pedraza-Chaverrí
- Facultad de Química, Universidad Nacional Autónoma de México, Mexico City, Mexico
| | - A Santamaría
- Laboratorio de Aminoácidos Excitadores, Instituto Nacional de Neurología y Neurocirugía Manuel Velasco Suárez, Mexico City 14269, Mexico
| | - P D Maldonado
- Laboratorio de Patología Vascular Cerebral, Instituto Nacional de Neurología y Neurocirugía Manuel Velasco Suárez, Mexico City 14269, Mexico.
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20
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Colín-González A, Luna-López A, Königsberg M, Ali S, Pedraza-Chaverrí J, Santamaría A. Early modulation of the transcription factor Nrf2 in rodent striatal slices by quinolinic acid, a toxic metabolite of the kynurenine pathway. Neuroscience 2014; 260:130-9. [DOI: 10.1016/j.neuroscience.2013.12.025] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2013] [Revised: 12/09/2013] [Accepted: 12/11/2013] [Indexed: 12/20/2022]
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21
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Colín-González A, Orozco-Ibarra M, Chánez-Cárdenas M, Rangel-López E, Santamaría A, Pedraza-Chaverri J, Barrera-Oviedo D, Maldonado P. Heme oxygenase-1 (HO-1) upregulation delays morphological and oxidative damage induced in an excitotoxic/pro-oxidant model in the rat striatum. Neuroscience 2013. [DOI: 10.1016/j.neuroscience.2012.11.031] [Citation(s) in RCA: 27] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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22
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Hernández-Vaquero D, Fernández-Fairen M, Torres-Perez A, Santamaría A. Minimally invasive surgery versus conventional surgery. A review of the scientific evidence. ACTA ACUST UNITED AC 2012. [DOI: 10.1016/j.recote.2012.10.004] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [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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23
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Hernández-Vaquero D, Fernández-Fairen M, Torres-Perez A, Santamaría A. [Minimally invasive surgery versus conventional surgery. A review of the scientific evidence]. Rev Esp Cir Ortop Traumatol (Engl Ed) 2012; 56:444-58. [PMID: 23594942 DOI: 10.1016/j.recot.2012.07.006] [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] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2012] [Accepted: 07/12/2012] [Indexed: 11/29/2022] Open
Abstract
The concept that small incisions lead to a better outcome in many procedures has extended into most surgical areas, orthopaedic surgery among them. However, in some cases there is not enough scientific evidence to recommend these procedures. This article attempts to provide an updated review of the works published with sufficient scientific evidence on the advantages of minimally invasive surgery (MIS) compared to conventional access approaches. The published articles, meta-analyses and systematic literature reviews with level I or II evidence are reviewed in topographic order. Wherever possible, the information available on the costs-benefits of this type of surgery is also reviewed.
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Affiliation(s)
- D Hernández-Vaquero
- Servicio de Cirugía Ortopédica y Traumatología, Hospital Universitario San Agustín, Departamento de Cirugía, Facultad de Medicina, Oviedo, España.
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24
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Lugo-Huitrón R, Blanco-Ayala T, Ugalde-Muñiz P, Carrillo-Mora P, Pedraza-Chaverrí J, Silva-Adaya D, Maldonado PD, Torres I, Pinzón E, Ortiz-Islas E, López T, García E, Pineda B, Torres-Ramos M, Santamaría A, La Cruz VPD. On the antioxidant properties of kynurenic acid: free radical scavenging activity and inhibition of oxidative stress. Neurotoxicol Teratol 2011; 33:538-47. [PMID: 21763768 DOI: 10.1016/j.ntt.2011.07.002] [Citation(s) in RCA: 223] [Impact Index Per Article: 17.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2011] [Revised: 06/21/2011] [Accepted: 07/03/2011] [Indexed: 01/27/2023]
Abstract
Kynurenic acid (KYNA) is an endogenous metabolite of the kynurenine pathway for tryptophan degradation and an antagonist of both N-methyl-D-aspartate (NMDA) and alpha-7 nicotinic acetylcholine (α7nACh) receptors. KYNA has also been shown to scavenge hydroxyl radicals (OH) under controlled conditions of free radical production. In this work we evaluated the ability of KYNA to scavenge superoxide anion (O(2)(-)) and peroxynitrite (ONOO(-)). The scavenging ability of KYNA (expressed as IC(50) values) was as follows: OH=O(2)(-)>ONOO(-). In parallel, the antiperoxidative and scavenging capacities of KYNA (0-150 μM) were tested in cerebellum and forebrain homogenates exposed to 5 μM FeSO(4) and 2.5 mM 3-nitropropionic acid (3-NPA). Both FeSO(4) and 3-NPA increased lipid peroxidation (LP) and ROS formation in a significant manner in these preparations, whereas KYNA significantly reduced these markers. Reactive oxygen species (ROS) formation were determined in the presence of FeSO(4) and/or KYNA (0-100 μM), both at intra and extracellular levels. An increase in ROS formation was induced by FeSO(4) in forebrain and cerebellum in a time-dependent manner, and KYNA reduced this effect in a concentration-dependent manner. To further know whether the effect of KYNA on oxidative stress is independent of NMDA and nicotinic receptors, we also tested KYNA (0-100 μM) in a biological preparation free of these receptors - defolliculated Xenopus laevis oocytes - incubated with FeSO(4) for 1 h. A 3-fold increase in LP and a 2-fold increase in ROS formation were seen after exposure to FeSO(4), whereas KYNA attenuated these effects in a concentration-dependent manner. In addition, the in vivo formation of OH evoked by an acute infusion of FeSO(4) (100 μM) in the rat striatum was estimated by microdialysis and challenged by a topic infusion of KYNA (1 μM). FeSO(4) increased the striatal OH production, while KYNA mitigated this effect. Altogether, these data strongly suggest that KYNA, in addition to be a well-known antagonist acting on nicotinic and NMDA receptors, can be considered as a potential endogenous antioxidant.
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Affiliation(s)
- R Lugo-Huitrón
- Laboratorio de Aminoácidos Excitadores, Instituto Nacional de Neurología y Neurocirugía Manuel Velasco Suárez, S.S.A., Mexico D.F. 14269, Mexico
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25
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Pineda V, Saldaña A, Monfante I, Santamaría A, Gottdenker N, Yabsley M, Rapoport G, Calzada J. Prevalence of trypanosome infections in dogs from Chagas disease endemic regions in Panama, Central America. Vet Parasitol 2011; 178:360-3. [DOI: 10.1016/j.vetpar.2010.12.043] [Citation(s) in RCA: 47] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2010] [Revised: 12/15/2010] [Accepted: 12/22/2010] [Indexed: 10/18/2022]
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26
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Vázquez-Medina JP, Olguín-Monroy NO, Maldonado PD, Santamaría A, Königsberg M, Elsner R, Hammill MO, Burns JM, Zenteno-Savín T. Maturation increases superoxide radical production without increasing oxidative damage in the skeletal muscle of hooded seals (Cystophora cristata). CAN J ZOOL 2011. [DOI: 10.1139/z10-107] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
Diving vertebrates represent unique models for the study of the physiological responses to reactive oxygen species (ROS) production and oxidative stress because of their adaptability to cope with dive-derived ROS production. We hypothesized that in the skeletal muscle of a diving mammal, the hooded seal ( Cystophora cristata (Erxleben, 1777)), ROS production increases with maturation but the accumulation of oxidative damage does not. To test this, we analyzed the tissue capacity to produce ROS, the accumulation of oxidative damage, and the activity and protein content of the cooper, zinc, and manganese dependent superoxide dismutases (Cu,ZnSOD, MnSOD) in skeletal muscle from neonates, weaned pups, and adult hooded seals. Our results showed higher tissue capacity to produce ROS, higher Cu,ZnSOD and MnSOD activities, and higher MnSOD protein content in adult seals than in pups. No differences in oxidative damage to lipids, proteins, or DNA were detected among groups. Results suggest that increased SOD activity likely counters the oxidative damage commonly associated with increased ROS production. These findings highlight the unusual tolerance of skeletal muscle of seals to increased ROS production.
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Affiliation(s)
- J. P. Vázquez-Medina
- Planeación Ambiental y Conservación, Centro de Investigaciones Biológicas del Noroeste, S.C, Mar Bermejo 195, Playa Palo de Santa Rita, La Paz, B.C.S., 23090, Mexico
- Laboratorio de Patología Vascular Cerebral, Instituto Nacional de Neurología y Neurocirugía “Dr. Manuel Velasco Suárez”, Insurgentes sur 3877, Colonia La Fama, Tlalpan, Mexico City, 14269, Mexico
- Laboratorio de Aminoácidos Excitadores, Instituto Nacional de Neurología y Neurocirugía “Dr. Manuel Velasco Suárez”, Insurgentes sur 3877, Colonia La Fama, Tlalpan, Mexico City, 14269, Mexico
- Laboratorio de Bioenergética y Envejecimiento Celular, Departamento de Ciencias de la Salud, Universidad Autónoma Metropolitana-Iztapalapa, Avenida San Rafael Atlixco No. 186, Colonia Vicentina, Delegación Iztapalapa, Mexico City, 09340, Mexico
- Institute of Marine Sciences, University of Alaska Fairbanks, P.O. Box 757220, Fairbanks, AK 99775-7220, USA
| | - N. O. Olguín-Monroy
- Planeación Ambiental y Conservación, Centro de Investigaciones Biológicas del Noroeste, S.C, Mar Bermejo 195, Playa Palo de Santa Rita, La Paz, B.C.S., 23090, Mexico
- Laboratorio de Patología Vascular Cerebral, Instituto Nacional de Neurología y Neurocirugía “Dr. Manuel Velasco Suárez”, Insurgentes sur 3877, Colonia La Fama, Tlalpan, Mexico City, 14269, Mexico
- Laboratorio de Aminoácidos Excitadores, Instituto Nacional de Neurología y Neurocirugía “Dr. Manuel Velasco Suárez”, Insurgentes sur 3877, Colonia La Fama, Tlalpan, Mexico City, 14269, Mexico
- Laboratorio de Bioenergética y Envejecimiento Celular, Departamento de Ciencias de la Salud, Universidad Autónoma Metropolitana-Iztapalapa, Avenida San Rafael Atlixco No. 186, Colonia Vicentina, Delegación Iztapalapa, Mexico City, 09340, Mexico
- Institute of Marine Sciences, University of Alaska Fairbanks, P.O. Box 757220, Fairbanks, AK 99775-7220, USA
| | - P. D. Maldonado
- Planeación Ambiental y Conservación, Centro de Investigaciones Biológicas del Noroeste, S.C, Mar Bermejo 195, Playa Palo de Santa Rita, La Paz, B.C.S., 23090, Mexico
- Laboratorio de Patología Vascular Cerebral, Instituto Nacional de Neurología y Neurocirugía “Dr. Manuel Velasco Suárez”, Insurgentes sur 3877, Colonia La Fama, Tlalpan, Mexico City, 14269, Mexico
- Laboratorio de Aminoácidos Excitadores, Instituto Nacional de Neurología y Neurocirugía “Dr. Manuel Velasco Suárez”, Insurgentes sur 3877, Colonia La Fama, Tlalpan, Mexico City, 14269, Mexico
- Laboratorio de Bioenergética y Envejecimiento Celular, Departamento de Ciencias de la Salud, Universidad Autónoma Metropolitana-Iztapalapa, Avenida San Rafael Atlixco No. 186, Colonia Vicentina, Delegación Iztapalapa, Mexico City, 09340, Mexico
- Institute of Marine Sciences, University of Alaska Fairbanks, P.O. Box 757220, Fairbanks, AK 99775-7220, USA
| | - A. Santamaría
- Planeación Ambiental y Conservación, Centro de Investigaciones Biológicas del Noroeste, S.C, Mar Bermejo 195, Playa Palo de Santa Rita, La Paz, B.C.S., 23090, Mexico
- Laboratorio de Patología Vascular Cerebral, Instituto Nacional de Neurología y Neurocirugía “Dr. Manuel Velasco Suárez”, Insurgentes sur 3877, Colonia La Fama, Tlalpan, Mexico City, 14269, Mexico
- Laboratorio de Aminoácidos Excitadores, Instituto Nacional de Neurología y Neurocirugía “Dr. Manuel Velasco Suárez”, Insurgentes sur 3877, Colonia La Fama, Tlalpan, Mexico City, 14269, Mexico
- Laboratorio de Bioenergética y Envejecimiento Celular, Departamento de Ciencias de la Salud, Universidad Autónoma Metropolitana-Iztapalapa, Avenida San Rafael Atlixco No. 186, Colonia Vicentina, Delegación Iztapalapa, Mexico City, 09340, Mexico
- Institute of Marine Sciences, University of Alaska Fairbanks, P.O. Box 757220, Fairbanks, AK 99775-7220, USA
| | - M. Königsberg
- Planeación Ambiental y Conservación, Centro de Investigaciones Biológicas del Noroeste, S.C, Mar Bermejo 195, Playa Palo de Santa Rita, La Paz, B.C.S., 23090, Mexico
- Laboratorio de Patología Vascular Cerebral, Instituto Nacional de Neurología y Neurocirugía “Dr. Manuel Velasco Suárez”, Insurgentes sur 3877, Colonia La Fama, Tlalpan, Mexico City, 14269, Mexico
- Laboratorio de Aminoácidos Excitadores, Instituto Nacional de Neurología y Neurocirugía “Dr. Manuel Velasco Suárez”, Insurgentes sur 3877, Colonia La Fama, Tlalpan, Mexico City, 14269, Mexico
- Laboratorio de Bioenergética y Envejecimiento Celular, Departamento de Ciencias de la Salud, Universidad Autónoma Metropolitana-Iztapalapa, Avenida San Rafael Atlixco No. 186, Colonia Vicentina, Delegación Iztapalapa, Mexico City, 09340, Mexico
- Institute of Marine Sciences, University of Alaska Fairbanks, P.O. Box 757220, Fairbanks, AK 99775-7220, USA
| | - R. Elsner
- Planeación Ambiental y Conservación, Centro de Investigaciones Biológicas del Noroeste, S.C, Mar Bermejo 195, Playa Palo de Santa Rita, La Paz, B.C.S., 23090, Mexico
- Laboratorio de Patología Vascular Cerebral, Instituto Nacional de Neurología y Neurocirugía “Dr. Manuel Velasco Suárez”, Insurgentes sur 3877, Colonia La Fama, Tlalpan, Mexico City, 14269, Mexico
- Laboratorio de Aminoácidos Excitadores, Instituto Nacional de Neurología y Neurocirugía “Dr. Manuel Velasco Suárez”, Insurgentes sur 3877, Colonia La Fama, Tlalpan, Mexico City, 14269, Mexico
- Laboratorio de Bioenergética y Envejecimiento Celular, Departamento de Ciencias de la Salud, Universidad Autónoma Metropolitana-Iztapalapa, Avenida San Rafael Atlixco No. 186, Colonia Vicentina, Delegación Iztapalapa, Mexico City, 09340, Mexico
- Institute of Marine Sciences, University of Alaska Fairbanks, P.O. Box 757220, Fairbanks, AK 99775-7220, USA
| | - M. O. Hammill
- Planeación Ambiental y Conservación, Centro de Investigaciones Biológicas del Noroeste, S.C, Mar Bermejo 195, Playa Palo de Santa Rita, La Paz, B.C.S., 23090, Mexico
- Laboratorio de Patología Vascular Cerebral, Instituto Nacional de Neurología y Neurocirugía “Dr. Manuel Velasco Suárez”, Insurgentes sur 3877, Colonia La Fama, Tlalpan, Mexico City, 14269, Mexico
- Laboratorio de Aminoácidos Excitadores, Instituto Nacional de Neurología y Neurocirugía “Dr. Manuel Velasco Suárez”, Insurgentes sur 3877, Colonia La Fama, Tlalpan, Mexico City, 14269, Mexico
- Laboratorio de Bioenergética y Envejecimiento Celular, Departamento de Ciencias de la Salud, Universidad Autónoma Metropolitana-Iztapalapa, Avenida San Rafael Atlixco No. 186, Colonia Vicentina, Delegación Iztapalapa, Mexico City, 09340, Mexico
- Institute of Marine Sciences, University of Alaska Fairbanks, P.O. Box 757220, Fairbanks, AK 99775-7220, USA
| | - J. M. Burns
- Planeación Ambiental y Conservación, Centro de Investigaciones Biológicas del Noroeste, S.C, Mar Bermejo 195, Playa Palo de Santa Rita, La Paz, B.C.S., 23090, Mexico
- Laboratorio de Patología Vascular Cerebral, Instituto Nacional de Neurología y Neurocirugía “Dr. Manuel Velasco Suárez”, Insurgentes sur 3877, Colonia La Fama, Tlalpan, Mexico City, 14269, Mexico
- Laboratorio de Aminoácidos Excitadores, Instituto Nacional de Neurología y Neurocirugía “Dr. Manuel Velasco Suárez”, Insurgentes sur 3877, Colonia La Fama, Tlalpan, Mexico City, 14269, Mexico
- Laboratorio de Bioenergética y Envejecimiento Celular, Departamento de Ciencias de la Salud, Universidad Autónoma Metropolitana-Iztapalapa, Avenida San Rafael Atlixco No. 186, Colonia Vicentina, Delegación Iztapalapa, Mexico City, 09340, Mexico
- Institute of Marine Sciences, University of Alaska Fairbanks, P.O. Box 757220, Fairbanks, AK 99775-7220, USA
| | - T. Zenteno-Savín
- Planeación Ambiental y Conservación, Centro de Investigaciones Biológicas del Noroeste, S.C, Mar Bermejo 195, Playa Palo de Santa Rita, La Paz, B.C.S., 23090, Mexico
- Laboratorio de Patología Vascular Cerebral, Instituto Nacional de Neurología y Neurocirugía “Dr. Manuel Velasco Suárez”, Insurgentes sur 3877, Colonia La Fama, Tlalpan, Mexico City, 14269, Mexico
- Laboratorio de Aminoácidos Excitadores, Instituto Nacional de Neurología y Neurocirugía “Dr. Manuel Velasco Suárez”, Insurgentes sur 3877, Colonia La Fama, Tlalpan, Mexico City, 14269, Mexico
- Laboratorio de Bioenergética y Envejecimiento Celular, Departamento de Ciencias de la Salud, Universidad Autónoma Metropolitana-Iztapalapa, Avenida San Rafael Atlixco No. 186, Colonia Vicentina, Delegación Iztapalapa, Mexico City, 09340, Mexico
- Institute of Marine Sciences, University of Alaska Fairbanks, P.O. Box 757220, Fairbanks, AK 99775-7220, USA
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Sierra A, Santamaría A, Hernandez L, Carrasco M, Borrell M, Llobet D, Fontcuberta J. P.30 Monitoring Anti-Xa activity of tinzaparin and bemiparin [low-molecular-weight-heparins (LMWHs)] at therapeutic dosages during pregnancy. Thromb Res 2011. [DOI: 10.1016/s0049-3848(11)70085-8] [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: 11/26/2022]
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Monroy C, Mañas MD, Santamaría A, Clemente MI. [Antibiotic resistance in urinary tract infection and identification of associated risk factors]. Rev Clin Esp 2010; 210:589-90. [PMID: 20961537 DOI: 10.1016/j.rce.2010.05.011] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2010] [Revised: 04/28/2010] [Accepted: 05/03/2010] [Indexed: 11/16/2022]
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Maldonado PD, Molina-Jijón E, Villeda-Hernández J, Galván-Arzate S, Santamaría A, Pedraza-Chaverrí J. NAD(P)H oxidase contributes to neurotoxicity in an excitotoxic/prooxidant model of Huntington's disease in rats: protective role of apocynin. J Neurosci Res 2010; 88:620-9. [PMID: 19795371 DOI: 10.1002/jnr.22240] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/14/2023]
Abstract
Intrastriatal injection of quinolinic acid (QUIN) to rodents reproduces some biochemical, morphological, and behavioral characteristics of Huntington's disease. NAD(P)H oxidase is an enzymatic complex that catalyzes superoxide anion (O(2).(-)) production from O(2) and NADPH. The present study evaluated the role of NAD(P)H oxidase in the striatal damage induced by QUIN (240 nmol/microl) in adult male Wistar rats by means of apocynin (APO; 5 mg/kg i.p.), a specific NAD(P)H oxidase inhibitor. Rats were given APO 30 min before and 1 hr after QUIN injection or only 30 min after QUIN injection. NAD(P)H oxidase activity was measured in striatal homogenates by O2(*)(-) production. QUIN infusion to rats significantly increased striatal NAD(P)H oxidase activity (2 hr postlesion), whereas APO treatments decreased the QUIN-induced enzyme activity (2 hr postlesion), lipid peroxidation (3 hr postlesion), circling behavior (6 days postlesion), and histological damage (7 days postlesion). The addition of NADH to striatal homogenates increased NAD(P)H oxidase activity in striata from QUIN-treated animals but not from sham rats. Interestingly, O2(*)(-) production in QUIN-lesioned striata was unaffected by the addition of substrates for intramitochondrial O2(*)(-) production, xanthine oxidase and nitric oxide synthase, suggesting that NAD(P)H oxidase may be the main source of O2(*)(-) in QUIN-treated rats. Moreover, the administration of MK-801 to rats as a pretreatment resulted in a complete prevention of the QUIN-induced NAD(P)H activation, suggesting that this toxic event is completely dependent on N-methyl-D-aspartate receptor overactivation. Our results also suggest that NAD(P)H oxidase is involved in the pathogenic events linked to excitotoxic/prooxidant conditions.
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Affiliation(s)
- P D Maldonado
- Laboratorio de Patología Vascular Cerebral, Instituto Nacional de Neurología y Neurocirugía Manuel Velasco Suárez, México DF, México
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Martín MA, Saracíbar E, Santamaría A, Arranz E, Garrote JA, Almaraz A, del Olmo ML, García-Pajares F, Fernández-Orcajo P, Velicia R, Blanco-Quirós A, Caro-Patón A. [Interleukin 18 (IL-18) and other immunological parameters as markers of severity in acute pancreatitis]. Rev Esp Enferm Dig 2009; 100:768-73. [PMID: 19222336 DOI: 10.4321/s1130-01082008001200006] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Abstract
OBJECTIVE Our aim was to prospectively compare the behavior of interleukin 18 (IL-18) levels and other immunological parameters during the first week of hospitalization between acute pancreatitis patients with and without severity criteria, as well as between patients with and without late pseudocyst development. PATIENTS AND METHODS In 36 patients with acute pancreatis we compared sTNF-RI, IL-1Ra, IL-6, and IL-18 levels at days 1, 2, 3 and 7 after hospitalization between mild pancreatitis, severe pancreatitis, and a "control" group (13 patients) with uncomplicated biliary colic, as well as between patients with and without pseudocyst. RESULTS On comparing mild to severe pancreatitis, IL-18 was significantly higher only the first day in severe pancreatitis, while the other parameters were steadily higher after the second day. In patients developing pseudocyst, IL-18 was also noticeably higher the first day. CONCLUSIONS IL-18 appears to be the earliest marker of complications and severity in acute pancreatitis at both the systemic and local level (pseudocyst).
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Affiliation(s)
- M A Martín
- Servicio de Aparato Digestivo, Hospital Universitario del Río Hortega, Departamento de Medicina, Facultad de Medicina
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Túnez I, Santamaría A. [Model of Huntington's disease induced with 3-nitropropionic acid]. Rev Neurol 2009; 48:430-434. [PMID: 19340784] [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: 05/27/2023]
Abstract
INTRODUCTION Huntington's disease is an autosomal dominant hereditary disorder. This neurodegenerative illness is characterized by mutation of the huntingtin protein gene, causing the formation of intracellular protein aggregates. DEVELOPMENT Intensive research efforts have been made to investigate the molecular mechanism involved. For this reason, the development of animal and cellular models of Huntington's disease has offered alternative approaches to study of this disease. The alteration of succinate dehydrogenase activity has been linked to Huntington's disease. 3-nitropropionic acid is an inhibitor of this enzyme, prompting oxidative stress and death neuronal, mimic some aspects of Huntington's disease as anatomical, physiological and chemical changes. CONCLUSION This model is a useful tool to study the mechanisms involved in this disease and to evaluate new therapeutic strategies.
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Affiliation(s)
- I Túnez
- Departamento de Bioquímica y Biología Molecular, Facultad de Medicina,Universidad de Córdoba. Córdoba, España.
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Díez Redondo MP, Almaraz A, Jiménez Rodríguez-Vila M, Santamaría A, de Castro J, Torrego JC, Caro-Patón A. Comparison of two vaccination strategies against hepatitis A and B in patients with chronic hepatitis C. Rev Esp Enferm Dig 2009; 101:265-274. [PMID: 19492902] [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: 05/27/2023]
Abstract
OBJECTIVE although the vaccination against hepatitis A (VAH) and hepatitis B (VBH) is recommended in patients with HCV, the most cost-effective strategy has not been established. Our objective was to compare the cost-effectiveness of universal strategy (vaccination all patients) with selective strategy (vaccination only patients against virus they lack immunity to) in patients with HCV. PATIENTS AND METHODS we compared the direct medical costs of the two vaccination strategies against both viruses in 313 patients with HC. Serological markers for HAV (anti-HAV) and HBV (HbsAg, anti HBs, anti HBc) were determined in the 313 patients and the costs of the vaccines and the blood tests necessary to determinate the immunity state in our care system were considered. RESULTS the prevalence of anti-HAV was 81,2% and of anti-HBc was 24,6%. The prevalence of anti-HAV increases with age. HAV vaccination with universal strategy has a cost of 19.806,64 euro and with selective one of 9.899,62 euro. HBV vaccination with universal strategy rose to 18.780 euro and to 20.385,57 euro with selective one (employing anti-HBc). Costs were analysed in different groups of age and several hepatitis HBV risk factors. CONCLUSIONS the selective vaccination strategy against HAV was most cost-effective in our patients with HCV. However, when the prevalence of the anti-HAV decreased to less than 20% universal strategy will be the best option. Difference of cost-effective between the two vaccination strategies against HBV was small, on behalf of universal one, so in groups with higher anti-HBc prevalence, like parenteral drugs users and tattoos, the selective strategy could be the best option.
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Affiliation(s)
- M P Díez Redondo
- Service of Digestive diseases, Hospital Universitario Río Hortega, Department of Mibrobiology en Pre-emptive Medicine, School of Medicine, Valladolid, Spain.
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Díez Redondo MP, Almaraz A, Jiménez Rodríguez-Vila M, Santamaría A, Castro JD, Torrego JC, Caro-Patón A. Comparación de dos estrategias de vacunación frente a la hepatitis A y B en individuos con hepatitis crónica C. Rev esp enferm dig 2009. [DOI: 10.4321/s1130-01082009000400005] [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] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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Santamaría A, Merino A, Viñas O, Arrizabalaga P. Does medicine still show an unresolved discrimination against women? Experience in two European university hospitals. J Med Ethics 2009; 35:104-6. [PMID: 19181883 DOI: 10.1136/jme.2008.024240] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/17/2023]
Abstract
Have invisible barriers for women been broken in 2007, or do we still have to break through medicine's glass ceiling? Data from two of the most prestigious university hospitals in Barcelona with 700-800 beds, Hospital Clínic (HC) and Hospital de la Santa Creu i Sant Pau (HSCSP) address this issue. In the HSCSP, 87% of the department chairs are men and 85% of the department unit chiefs are also men. With respect to women, only 5 (13%) are in the top position (department chair) and 4 (15%) are department unit chiefs. Similar statistics are also found at the HC: 87% of the department chairs and 89% of the department unit chiefs are men. Currently, only 6 women (13%) are in the top position and 6 (11%) are department unit chiefs. Analysis of the 2002 data of internal promotions in HC showed that for the first level (senior specialist) sex distribution was similar. Nevertheless, for the second level (consultant) only 25% were women, and for the top level (senior consultant) only 8% were women. These proportions have not changed in 2007 in spite of a 10% increase in leadership positions during this period. Similar proportions were found in HSCSP where 68% of the top promotions were held by men. The data obtained from these two different medical institutions in Barcelona are probably representative of other hospitals in Spain. It would be ethically desirable to have males and females in leadership positions in the medical profession.
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Affiliation(s)
- A Santamaría
- Servei d'Hematologia, Hospital de la Santa Creu i Sant Pau, Barcelona, Spain.
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Santamaría A, Martínez R, Astigarraga I, Etxebarría J, Sánchez M. [Ophthalmological findings in pediatric brain neoplasms: 58 cases]. Arch Soc Esp Oftalmol 2008; 83:471-477. [PMID: 18661443 DOI: 10.4321/s0365-66912008000800004] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/26/2023]
Abstract
PURPOSES To describe the visual manifestations of brain neoplasms, and to analyze the effect of tumor control on these. METHODS This is a descriptive retrospective study, which includes patients under 14 years of age, suffering from different brain neoplasms in our hospital between 1996 and 2005 inclusive. RESULTS In the group of patients with low visual acuity, 44% had organic amblyopias. In 28% of cases, the amblyopia was secondary to the strabismus/nystagmus produced by the developing tumor. Corrective treatment was successful in some cases of partial or total organic amblyopia. Ophthalmologic evaluation (including perimetry and fundoscopy) enabled detection of 3 tumor relapses. CONCLUSIONS Visual analysis (visual acuity, perimetry, fundoscopy) should be an essential component of assessment during brain neoplasm treatment and follow-up. Corrective treatment is sometimes successful in organic amblyopias
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Affiliation(s)
- A Santamaría
- Servicios de Oftalmología y Pediatría del Hospital de Cruces, Barakaldo, España.
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Decuadro-Sáenz G, Castro G, Sorrenti N, Doassans I, Deleon S, Salle F, Saibene A, Santamaría A, Pérez-Brignani A, Soria-Vargas VR. [Auriculo temporal nerve. Neuroanatomic bases of the Frey's syndrome]. Neurocirugia (Astur) 2008; 19:218-32. [PMID: 18654721 DOI: 10.4321/s1130-14732008000300002] [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: 11/11/2022]
Abstract
The aim of this study was to precise the relationships of the auriculotemporal nerve in the infratemporal and parotid regions. We realized micro-dissections of thirty-two infratemporal and parotid regions of human cadaver's formol-fixed. The pattern of origin was: one root: 15.4%, two roots: 73.1%, three roots: 11.5%. In all cases, the lateral root present the major diameter (2-2.5 mm). In those cases with two roots, these formed a neural loop round the middle meningeal artery in the 89.4% of the cases. The origin of the medial root was the posterior border of the inferior alveolar nerve. The median distance between the lateral root and the temporomandibular joint capsule was 1.5 mm, with asymmetric pattern: right: 2 mm (rank: 0-7 mm; ED: 1.90 mm); left: 1.25 mm (rank: 0-3 mm; ED: 0.88 mm). In 10 cases (31.3%) the lateral root was in direct contact with the articular capsule, with asymmetric pattern: left: 46.1%; right: 21%. The median distance between the superior aspect of the articular disk and the trunk of the auriculotemporal nerve in the posterior aspect of the temporomandibular joint was 10,5 mm (ED: 4.06 mm), with asymmetric pattern: right: 9 mm (rank: 5-18.0 mm; ED: 3.70 mm); left: 11.0 mm (rank: 3.0-20 mm; ED: 4.41 mm). We discussed the rol of this findings in the etiology of the Frey's syndrome.
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Affiliation(s)
- G Decuadro-Sáenz
- Departamento de Anatomía, Facultad de Medicina, Universidad de la República, Montevideo, Uruguay
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Santamaría A, Diego VP, Almasy L, Rainwater DL, Mahaney MC, Comuzzie AG, Cole SA, Dyer TD, Tracy RP, Stern MP, Maccluer JW, Blangero J. Quantitative trait locus on chromosome 12q14.1 influences variation in plasma plasminogen levels in the San Antonio Family Heart Study. Hum Biol 2008; 79:515-23. [PMID: 18478967 DOI: 10.1353/hub.2008.0008] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Abstract
Plasminogen is a hemostasis-related phenotype and is commonly implicated in thrombotic and bleeding disorders. In the San Antonio Family Heart Study (SAFHS), we performed to our knowledge the first genomewide linkage scan for quantitative trait loci (QTLs) that influence the level of plasminogen. The subset of the SAFHS population used for this study consists of 629 individuals distributed across 26 extended Mexican American families. Pedigree-based variance component linkage analyses were performed using SOLAR. The mean plasminogen level was 114.94% +/- 17.8 (range, 42-195). The heritability (h2) of plasminogen was 0.43 +/- 0.08 (p < 6.3 x 10(-13)). One region on chromosome 12 (12q14.1) showed suggestive evidence of linkage (LOD = 2.73, nominal p < 0.0002, genomewide p = 0.0786) near marker D12S1609. Because plasminogen has important effects in many human health problems, such as cancer and atherosclerosis, the role of this putative QTL in the regulation of plasminogen variability needs to be studied further.
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Affiliation(s)
- A Santamaría
- Department of Genetics, Southwest Foundation for Biomedical Research, 7620 NW Loop 410, San Antonio, TX 78227, USA
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Martí E, Santamaría A, Mateo J, Tolosa A, Querol L, Viscasillas P, Fontcuberta J. Carotid thrombosis after in vitro fertilization: a relatively new thrombotic complication in women. Br J Haematol 2008; 141:897-9. [DOI: 10.1111/j.1365-2141.2008.07120.x] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.6] [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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Decuadro-Sáenz G, Castro G, Sorrenti N, Doassans I, Deleon S, Salle F, Saibene A, Santamaría A, Soria-Vargas V, Pérez-Brignani A. El nervio auriculotemporal. Bases neuroanatómicas del Síndrome de Frey. Neurocirugia (Astur) 2008. [DOI: 10.1016/s1130-1473(08)70241-0] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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Santamaría A, Oliver A, Borrell M, Belvís R, Martí-Fábregas J, Mateo J, Fontcuberta J. Higher risk of ischaemic stroke associated with factor XI levels in dyslipidaemic patients. Int J Clin Pract 2007; 61:1819-23. [PMID: 17511793 DOI: 10.1111/j.1742-1241.2007.01388.x] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.6] [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: 11/29/2022] Open
Abstract
BACKGROUND Ischaemic stroke (IS) is a complex disease that involves genetic and environmental factors. The role of factor XI (FXI) in arterial thrombosis is unclear. We have investigated the risk of IS related to FXI levels in a case-control study. METHODS We studied 445 individuals: 218 diagnosed with IS and 227 age-gender-ethnic matched control subjects. We measured factor VIIIc, fibrinogen and factor XIc levels. FXI < 144% was taken as the reference group in the statistical analysis. RESULTS There were 104 women and 114 men in the IS group and 108 women and 119 men in the control group. The crude odds ratio (OR) of IS in dyslipidaemic patients with high levels of FXI was 4.2 [95% confidence interval (CI): 1.2-14.8] compared with dyslipidaemic controls and low levels of FXI, but the OR in the non-dyslipidaemic with high levels of FXI subgroup was 1.2 (95% CI: 0.4-3.2). The adjusted OR of IS in dyslipidaemic patients with high levels of FXI was 6.4 (95% CI: 1.6-26.1) compared with dyslipidaemic controls, but the OR in non-dyslipidaemic subgroup with high levels of FXI was 0.6 (95% CI: 0.2-2.1). CONCLUSION We found almost a sixfold higher risk of IS in patients with dyslipidaemia and high levels of FXI. Further studies should elucidate the role of FXI in IS and therapeutic approaches should become apparent for patients with dyslipidaemia and high-FXI plasma levels.
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Affiliation(s)
- A Santamaría
- Thrombosis and Hemostasis Unit, Department of Hematology, Universitat Autónoma de Barcelona, Hospital de Santa Creu i Sant Pau, Barcelona, Spain.
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Santamaría A, Borrell M, Mateo J, Vallve C, Fontcuberta J. What is the clinical impact of low plasminogen activator inhibitor-1 (PAI-1) activity? A case report and study of the incidence of low PAI-1 antigen in a healthy population. J Thromb Haemost 2007; 5:1565-6. [PMID: 17439631 DOI: 10.1111/j.1538-7836.2007.02585.x] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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Villa J, Marco A, Santamaría A, Mateo J, Simó M, Fontcuberta J. 70 Clinical management using low-molecular-weight heparin (LMWH) in pregnant women with thrombophilia, thromboembolic disease (DVT) or thrombophilia-related maternoplacental syndrome: experience in one center. Thromb Res 2007. [DOI: 10.1016/s0049-3848(07)70115-9] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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Belvís R, Santamaría A, Martí-Fàbregas J, Cocho D, Borrell M, Fontcuberta J, Martí-Vilalta JL. Diagnostic yield of prothrombotic state studies in cryptogenic stroke. Acta Neurol Scand 2006; 114:250-3. [PMID: 16942544 DOI: 10.1111/j.1600-0404.2006.00588.x] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
OBJECTIVES Around 30% of ischemic strokes are considered cryptogenic. We analyzed the diagnostic yield of prothrombotic state (PS) studies in patients with an initial cryptogenic stroke (CS). MATERIAL AND METHODS We prospectively included consecutive CS patients according to the TOAST criteria. PS included plasmatic determinations of antiphospholipid (APL) antibodies and lupus anticoagulant (LA), S (SPd) and C (CPd) protein deficiencies, and genetic analysis of the prothrombin gene mutation (PT G20210A) and the factor V Leiden mutation (FV G1691A). We recorded age, sex and vascular risk factors. RESULTS From a total of 89 patients (mean age 56.9 +/- 14.3 years, 53% men), we identified 16 PS in 15 patients (16.85%): APL-6, LA-2, SPd-2, CPd-1, PT G20210A -3 and FV G1691A -2. One patient presented an association (APL and PT G20210A). CONCLUSIONS One of every six patients with initial CS present a PS. Age or sex and conventional cardiovascular risk factors were not related to PS study findings, supporting the relevance of such studies in all patients with an initial CS.
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Affiliation(s)
- R Belvís
- Stroke Unit, Department of Neurology, Hospital de la Santa Creu i Sant Pau, Universitat Autònoma de Barcelona, Barcelona, Spain.
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Santamaría A, Juárez S, Reche A, Gómez-Outes A, Martínez-González J, Fontcuberta J. Low-molecular-weight heparin, bemiparin, in the outpatient treatment and secondary prophylaxis of venous thromboembolism in standard clinical practice: the ESFERA Study. Int J Clin Pract 2006; 60:518-25. [PMID: 16700847 DOI: 10.1111/j.1368-5031.2006.00947.x] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.3] [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: 11/29/2022] Open
Abstract
The objective of this study is to assess the clinical and economic outcomes associated with outpatient treatment and secondary prophylaxis of acute venous thromboembolism (VTE) with a low-molecular-weight heparin, bemiparin. This study was designed as an open-label, multicentre, prospective, cohort study in standard clinical practice. Sixty-three investigators from 54 Spanish centres participated in the study. Five hundred eighty-three patients (434 outpatients and 149 inpatients) with acute VTE were followed up for 98 days (median). Outcome measures were costs and adverse events during initial VTE treatment with bemiparin (outpatient vs. inpatient cohorts) and long-term treatment [bemiparin (BEM) vs. vitamin K antagonists (VKA) cohorts]. Mean total costs per patient were lower in the outpatient cohort as compared with those in the inpatient cohort (1206 vs. 5191 euros; difference = -3985 euros; p < 0.001), with similar rates of adverse events (5.1 outpatient vs. 7.4% inpatient; p = 0.196) over 98 days. Mean total costs per patient were similar in the BEM/BEM and BEM/VKA cohorts (3616 vs. 3831 euros; difference = -215 euros; p = 0.412), but patients on long-term bemiparin treatment had lower rates of major bleeding (0.4 vs. 1.7%; p = 0.047), minor bleeding (1.8 vs. 6%; p = 0.032) and total adverse events (2.9 vs. 9.5%; p = 0.007) than patients in the BEM/VKA cohort. Outpatient management of VTE with bemiparin in selected patients resulted in significant cost-savings compared to inpatient treatment, while maintaining effectiveness and safety. Bemiparin may be a safer and cost-neutral alternative to VKA for long-term treatment of VTE.
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Affiliation(s)
- A Santamaría
- Department of Haematology, Hospital de la Santa Creu i Sant Pau, Barcelona, Spain.
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Belvís R, Masjuan J, García-Barragán N, Cocho D, Martí-Fàbregas J, Santamaría A, Leta RG, Martínez-Castrillo JC, Fernández-Ruiz LC, Gilo F, Martí-Vilalta JL. Stroke and pulmonary thromboembolism after a long flight. Eur J Neurol 2005; 12:732-4. [PMID: 16128878 DOI: 10.1111/j.1468-1331.2005.01070.x] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
In the economy class syndrome (ECS) the patient presents a deep venous thrombosis (DVT) with or without pulmonary thromboembolism (PTE) during or after a long trip as a result of prolonged immobilization. Economy class stroke syndrome is an infrequent ECS variant in which ischemic stroke is associated with a patent foramen ovale (PFO). Few cases have been published in the literature to date. We present a patient who suffered a PTE and an ischemic stroke immediately after a transoceanic flight. A 36-year-old woman with no significant medical or familial history flew economy class from Lima, Peru, to Madrid, Spain. On disembarkation she presented sudden dyspnea and a depressed level of consciousness, global aphasia, and right hemiparesis. A pulmonary scintigraphy showed a PTE and a cranial MRI revealed an ischemic infarct in the left middle cerebral artery territory. We simultaneously performed a transesophageal echocardiography and a transcranial Doppler and observed a massive right-to-left shunt through a PFO. The patient was a heterozygous carrier of the C46T mutation of coagulation factor XII. The appearance of a stroke following a long trip is suggestive of paradoxical embolism through a PFO, mainly if it is associated with a DVT and/or a PTE. The cause of the initial event, the DVT, could be a prothrombotic state.
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Affiliation(s)
- R Belvís
- Department of Neurology, Hospital de la Santa Creu i Sant Pau, Barcelona, Spain.
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Pérez-De La Cruz V, González-Cortés C, Galván-Arzate S, Medina-Campos ON, Pérez-Severiano F, Ali SF, Pedraza-Chaverrí J, Santamaría A. Excitotoxic brain damage involves early peroxynitrite formation in a model of Huntington’s disease in rats: Protective role of iron porphyrinate 5,10,15,20-tetrakis (4-sulfonatophenyl)porphyrinate iron (III). Neuroscience 2005; 135:463-74. [PMID: 16111817 DOI: 10.1016/j.neuroscience.2005.06.027] [Citation(s) in RCA: 56] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2005] [Revised: 05/27/2005] [Accepted: 06/14/2005] [Indexed: 01/06/2023]
Abstract
Oxidative/nitrosative stress is involved in NMDA receptor-mediated excitotoxic brain damage produced by the glutamate analog quinolinic acid. The purpose of this work was to study a possible role of peroxynitrite, a reactive oxygen/nitrogen species, in the course of excitotoxic events evoked by quinolinic acid in the brain. The effects of Fe(TPPS) (5,10,15,20-tetrakis (4-sulfonatophenyl)porphyrinate iron (III)), an iron porphyrinate and putative peroxynitrite decomposition catalyst, were tested on lipid peroxidation and mitochondrial function in brain synaptic vesicles exposed to quinolinic acid, as well as on peroxynitrite formation, nitric oxide synthase and superoxide dismutase activities, lipid peroxidation, caspase-3-like activation, DNA fragmentation, and GABA levels in striatal tissue from rats lesioned by quinolinic acid. Circling behavior was also evaluated. Increasing concentrations of Fe(TPPS) reduced lipid peroxidation and mitochondrial dysfunction induced by quinolinic acid (100 microM) in synaptic vesicles in a concentration-dependent manner (10-800 microM). In addition, Fe(TPPS) (10 mg/kg, i.p.) administered 2 h before the striatal lesions, prevented the formation of peroxynitrite, the increased nitric oxide synthase activity, the decreased superoxide dismutase activity and the increased lipid peroxidation induced by quinolinic acid (240 nmol/microl) 120 min after the toxin infusion. Enhanced caspase-3-like activity and DNA fragmentation were also reduced by the porphyrinate 24 h after the injection of the excitotoxin. Circling behavior from quinolinic acid-treated rats was abolished by Fe(TPPS) six days after quinolinic acid injection, while the striatal levels of GABA, measured one day later, were partially recovered. The protective effects that Fe(TPPS) exerted on quinolinic acid-induced lipid peroxidation and mitochondrial dysfunction in synaptic vesicles suggest a primary action of the porphyrinate as an antioxidant molecule. In vivo findings suggest that the early production of peroxynitrite, altogether with the enhanced risk of superoxide anion (O2*-) and nitric oxide formation (its precursors) induced by quinolinic acid in the striatum, are attenuated by Fe(TPPS) through a recovery in the basal activities of nitric oxide synthase and superoxide dismutase. The porphyrinate-mediated reduction in DNA fragmentation simultaneous to the decrease in caspase-3-like activation from quinolinic acid-lesioned rats suggests a prevention in the risk of peroxynitrite-mediated apoptotic events during the course of excitotoxic damage in the striatum. In summary, the protective effects that Fe(TPPS) exhibited both under in vitro and in vivo conditions support an active role of peroxynitrite and its precursors in the pattern of brain damage elicited by excitotoxic events in the experimental model of Huntington's disease. The neuroprotective mechanisms of Fe(TPPS) are discussed.
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Affiliation(s)
- V Pérez-De La Cruz
- Laboratorio de Aminoácidos Excitadores, Instituto Nacional de Neurología y Neurocirugía Manuel Velasco Suárez, México D.F. 14269, Mexico
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Rojo E, Fernández M, Peña JJ, Peña B, Muñoz ME, Santamaría A. Rheological aspects of blends of metallocene-catalyzed atactic polypropylenes with bitumen. POLYM ENG SCI 2004. [DOI: 10.1002/pen.20181] [Citation(s) in RCA: 14] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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Vecino M, González I, Muñoz ME, Santamaría A, Ochoteco E, Pomposo JA. Synthesis of polyaniline and application in the design of formulations of conductive paints. POLYM ADVAN TECHNOL 2004. [DOI: 10.1002/pat.502] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
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Muñoz-Escalona A, Lafuente P, Vega JF, Santamaría A. Rheology of metallocene-catalyzed monomodal and bimodal polyethylenes. POLYM ENG SCI 2004. [DOI: 10.1002/pen.11617] [Citation(s) in RCA: 31] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
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