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Escobedo MF, Junquera LM, Megias J, García-San Narciso L, Fernández MJ, Junquera S. Mediastinitis of odontogenic origin. A serious complication with 80 years of history. Br J Oral Maxillofac Surg 2020; 59:683-689. [PMID: 34001379 DOI: 10.1016/j.bjoms.2020.09.004] [Citation(s) in RCA: 5] [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: 07/09/2020] [Accepted: 09/03/2020] [Indexed: 11/26/2022]
Abstract
We performed a systematic review of the literature about descending necrotising mediastinitis (DNM) of odontogenic origin. In parallel, a retrospective review of this pathology was carried out in an Oral and Maxillofacial Surgery Service of a reference hospital for a population of 1,100,000 inhabitants. The main objectives were to determine changes in mortality and prevalence of this serious complication. The systematic review included 51 articles with 89 patients and our study comprised seven patients. The period of time with the highest number of cases was between 2000-2009 (38 patients). The percentage of mortality observed was 20.2% in diffuse DNM and 4.9% in localised DNM. Thirty-one patients with DNM in our review were admitted for more than 41 days. Despite evidence of a decrease in DNM cases, publications have increased over the years, but it does not appear to be due to an increase in those of odontogenic origin. The survival of DNM has improved since 1998 and remained stable since then. Despite the low prevalence of this disease, multicentre control studies are needed to achieve better evidence about this entity.
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Affiliation(s)
- M F Escobedo
- School of Dentistry, University of Oviedo, Oviedo, Spain.
| | - L M Junquera
- Department of Maxillofacial Surgery, Hospital Universitario Central de Asturias, Oviedo, Spain
| | - J Megias
- Department of Maxillofacial Surgery, Hospital Clínico Universitario de Santiago de Compostela, Santiago de Compostela, Spain
| | | | | | - S Junquera
- Department of Radiology, Hospital Clínico Universitario de Santiago de Compostela, Santiago de Compostela, Spain
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Lima dos Santos SP, Rueda Gómez CA, Fernández MJ, Vallejo J. Knowledge, attitudes and beliefs on organ donation among students and lecturers in Quito, Ecuador. Eur J Public Health 2020. [DOI: 10.1093/eurpub/ckaa166.448] [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: 11/12/2022] Open
Abstract
Abstract
Countries have reported that people's attitudes towards organ donation are influenced by knowledge, education and religion. In Ecuador, more than 800 patients are on the waiting list for an organ; likewise, the population does not recognize the importance of the donation. Although, since 2011, the Organic Law of Donation and Transplantation of Organs, Tissues and Cells states that all Ecuadorians are donors, but still, the high number of people on the waiting list is not well understood. The purpose of this study is to determine the factors towards organ donation of students and lecturers of the Pontifical Catholic University of Ecuador. This is a cross-sectional study, and the universe was the entire population; however, only 469 (students) and 321 (lecturers) answered, despite our efforts. We applied an anonymously validated questionnaire, and we sent it for five months by email. 89.8% of students and lecturers agreed with the donation; however, 10.2% of the students refused, and 14.6% of lecturers were undecided (p < 0.001). The highest hesitation was found in the age group between 36-64 years (14.2%), while the most refusal was found in the young adult, 9.4%. 40.1% of them alluded to have regular knowledge, while 27.9% claimed to have low knowledge about organ donation (p = 0.016). Based on their opinion, 65.9% said that a person with brain death could not recover, although 26.9% did not know (p = 0.023). 38.9% affirmed they did not know if their religions agreed with the donation. 78.5% claimed the best methods could increase the number of donors is education. Public health in Ecuador does not have sufficient regulations through its state policies that should favour recipients. If each citizen knows that their organs save lives, the waiting list will decrease, and state expenditures will reduce. However, the populations' beliefs are still related to an abuse of authority to donate organs without the consent of relatives.
Key messages
With better strategies to increase awareness of the importance of organ donation, great results. It will increase survival rates, improve quality of life and decrease health expenses.
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Affiliation(s)
- S P Lima dos Santos
- Nursing Faculty, Pontifical Catholic University of Ecuador, Quito, Ecuador
- Statistics Department, Salamanca University, Salamanca, Spain
| | - C A Rueda Gómez
- Nursing Faculty, Pontifical Catholic University of Ecuador, Quito, Ecuador
- Veterinary Faculty, The Autonomous University of Barcelona, Barcelona, Spain
| | - M J Fernández
- Statistics Department, Salamanca University, Salamanca, Spain
- Biostatistics Unit, Institute for Biomedical Research of Salamanca, Salamanca, Spain
| | - J Vallejo
- Statistics Department, Salamanca University, Salamanca, Spain
- Biostatistics Unit, Institute for Biomedical Research of Salamanca, Salamanca, Spain
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Montoya C, Rey L, Rodríguez J, Fernández MJ, Troncoso D, Cañas A, Moreno O, Henríquez B, Rojas A. Epigenetic control of the EWS‑FLI1 promoter in Ewing's sarcoma. Oncol Rep 2020; 43:1199-1207. [PMID: 32323788 PMCID: PMC7057940 DOI: 10.3892/or.2020.7489] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2019] [Accepted: 10/04/2019] [Indexed: 11/09/2022] Open
Abstract
Ewing sarcoma (ES) is a primary bone marrow tumor that very rarely develops in extra-osseous tissues, such as lung. The hallmark of ES tumors is a translocation between chromosomes 11 and 22, resulting in a fusion protein, commonly referred to as EWS-FLI1. The epigenetic profile (histone acetylation and methylation enrichment of the promoter region) that may regulate the expression of the aberrant transcription factor EWS-FLI1, remains poorly studied and understood. Knowledge of epigenetic patterns associated with covalent histone modification and expression of enzymes associated with this process, can contribute to the understanding of the molecular basis of the disease, as well as to the identification of possible molecular targets involved in expression of the EWS-FLI1 gene, so that therapeutic strategies may be improved in the future. In the present study, the transcriptional activation and repression of the EWS-FLI1 fusion gene in ES was accompanied by selective deposition of histone markers on its promoter. The EWS-FLI1 fusion gene was evaluated in two patients with ES using conventional cytogenetic, fluorescence in situ hybridization and nested PCR assays, which revealed that the aberrant expression of the EWS-FLI1 gene is accompanied by enrichment of H3K4Me3, H3K9ac and H3K27ac at the promoter region.
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Affiliation(s)
- C Montoya
- Institute of Human Genetics, Faculty of Medicine, Pontificia Universidad Javeriana, Bogotá 110231, Colombia, Chile
| | - L Rey
- Institute of Human Genetics, Faculty of Medicine, Pontificia Universidad Javeriana, Bogotá 110231, Colombia, Chile
| | - J Rodríguez
- Department of Pathology, Hospital Universitario San Ignacio, Bogotá 110231, Colombia, Chile
| | - M J Fernández
- Department of Physiological Sciences, Faculty of Medicine, Pontificia Universidad Javeriana, Bogotá 110231, Colombia, Chile
| | - D Troncoso
- Institute of Human Genetics, Faculty of Medicine, Pontificia Universidad Javeriana, Bogotá 110231, Colombia, Chile
| | - A Cañas
- Department of Internal Medicine, Hospital Universitario San Ignacio, Bogotá 110231, Colombia, Chile
| | - O Moreno
- Institute of Human Genetics, Faculty of Medicine, Pontificia Universidad Javeriana, Bogotá 110231, Colombia
| | - B Henríquez
- Faculty of Medicine and Science, Universidad San Sebastián, Santiago 7510157, Chile
| | - A Rojas
- Institute of Human Genetics, Faculty of Medicine, Pontificia Universidad Javeriana, Bogotá 110231, Colombia
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Schweigert M, Sousa HS, Solymosi N, Yankulov A, Fernández MJ, Beattie R, Dubecz A, Rabl C, Law S, Tong D, Petrov D, Schäbitz A, Stadlhuber RJ, Gumpp J, Ofner D, McGuigan J, Costa-Maia J, Witzigmann H, Stein HJ. Spotlight on esophageal perforation: A multinational study using the Pittsburgh esophageal perforation severity scoring system. J Thorac Cardiovasc Surg 2015; 151:1002-9. [PMID: 26897241 DOI: 10.1016/j.jtcvs.2015.11.055] [Citation(s) in RCA: 57] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/19/2015] [Revised: 11/04/2015] [Accepted: 11/30/2015] [Indexed: 12/20/2022]
Abstract
OBJECTIVE The Pittsburgh group has suggested a perforation severity score (PSS) for better decision making in the management of esophageal perforation. Our study aim was to determine whether the PSS can be used to stratify patients with esophageal perforation into distinct subgroups with differential outcomes in an independent study population. METHODS In a retrospective study cases of esophageal perforation were collected (study-period, 1990-2014). The PSS was analyzed using logistic regression as a continuous variable and stratified into low, intermediate, and high score groups. RESULTS Data for 288 patients (mean age, 59.9 years) presenting with esophageal perforation (during the period 1990-2014) were abstracted. Etiology was spontaneous (Boerhaave; n = 119), iatrogenic (instrumentation; n = 85), and traumatic perforation (n = 84). Forty-three patients had coexisting esophageal cancer. The mean PSS was 5.82, and was significantly higher in patients with fatal outcome (n = 57; 19.8%; mean PSS, 9.79 vs 4.84; P < .001). Mean PSS was also significantly higher in patients receiving operative management (n = 200; 69%; mean PSS, 6.44 vs 4.40; P < .001). Using the Pittsburgh strata, patients were assigned to low PSS (≤2; n = 63), intermediate PSS (3-5; n = 86), and high PSS (>5; n = 120) groups. Perforation-related morbidity, length of stay, frequency of operative treatment, and mortality increased with increasing PSS strata. Patients with high PSS were 3.37 times more likely to have operative management compared with low PSS. CONCLUSIONS The Pittsburgh PSS reliably reflects the seriousness of esophageal perforation and stratifies patients into low-, intermediate-, and high-risk groups with differential morbidity and mortality outcomes.
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Affiliation(s)
- Michael Schweigert
- Department of General and Thoracic Surgery, Städtisches Klinikum Dresden Friedrichstadt, Dresden, Germany.
| | | | | | - Aleksandar Yankulov
- University Hospital St George, Medical University of Plovdiv, Plovdiv, Bulgaria
| | | | - Rory Beattie
- Royal Victoria Hospital, Belfast, United Kingdom
| | | | - Charlotte Rabl
- Salzburger Landeskrankenhaus, Paracelsus Medical University, Salzburg, Austria
| | - Simon Law
- The University of Hong Kong, Hong Kong, Hong Kong
| | - Daniel Tong
- St Sophia University Hospital for Pulmonary Diseases, Medical University, Sofia, Bulgaria
| | - Danail Petrov
- Klinikum Neumarkt, Neumarkt in der Oberpfalz, Germany
| | - Annemaria Schäbitz
- Department of General and Thoracic Surgery, Städtisches Klinikum Dresden Friedrichstadt, Dresden, Germany
| | - Rudolf J Stadlhuber
- Salzburger Landeskrankenhaus, Paracelsus Medical University, Salzburg, Austria
| | - Julia Gumpp
- Klinikum Neumarkt, Neumarkt in der Oberpfalz, Germany
| | - Dietmar Ofner
- Salzburger Landeskrankenhaus, Paracelsus Medical University, Salzburg, Austria
| | - Jim McGuigan
- Royal Victoria Hospital, Belfast, United Kingdom
| | | | - Helmut Witzigmann
- Department of General and Thoracic Surgery, Städtisches Klinikum Dresden Friedrichstadt, Dresden, Germany
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Schweigert M, Solymosi N, Dubecz A, Fernández MJ, Stadlhuber RJ, Ofner D, Stein HJ. Surgery for parapneumonic pleural empyema--What influence does the rising prevalence of multimorbidity and advanced age has on the current outcome? Surgeon 2014; 14:69-75. [PMID: 24930000 DOI: 10.1016/j.surge.2014.05.002] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2014] [Accepted: 05/05/2014] [Indexed: 12/01/2022]
Abstract
OBJECTIVE Pleural empyema is a critical condition. In the western world the share of sufferers with multiple comorbidities and advanced age is rapidly increasing. METHODS This retrospective study comprises all patients who underwent surgery for parapneumonic pleural empyema at a major center for thoracic surgery in Germany between January 2006 and April 2013. RESULTS A total of 335 patients (mean age 60.4 years) were included. The average ASA grade was 2.8. Empyema stage 1, 2 and 3 (classification of the American Thoracic Society) was encountered in 30, 230 and 75 cases, respectively. The most common comorbidities were cardiac disorders (124), diabetes mellitus (76), COPD (66) and alcoholism (54). The mean Charlson index of comorbidity score was 2. Minimally invasive surgery was feasible in 290 cases. A total of 88 patients sustained pulmonary sepsis. The overall mortality was 29/335 (8.7%). The occurrence of pulmonary sepsis (OR: 17.95; 95% CI: 6.38-62.69; p < 0.001), respiratory failure (OR: 23.08; 95% CI: 8.52-73.35; p < 0.001) and acute renal failure (OR: 8.20; 95% CI: 3.18-20.80; p < 0.001) and Charlson score ≥ 3 (OR: 6.65; 95% CI: 2.76-17.33; p < 0.001) were associated with higher mortality. On the other hand, very elderly sufferers (≥80 years) showed neither higher odds for pulmonary sepsis (OR: 0.78) nor for fatal outcome (OR: 0.92; 95% CI: 0.22-2.86; p = 1). CONCLUSIONS Parapneumonic pleural empyema is still associated with considerable morbidity and mortality. Pre-existing comorbidity, the occurrence of pulmonary sepsis and sepsis related complications have a determining influence on the results whereas advanced age itself shows no higher risk for adverse outcome. Further improvement seems achievable by earlier surgical intervention before the onset of pulmonary sepsis.
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Affiliation(s)
- Michael Schweigert
- Department of General and Thoracic Surgery, Klinikum Nuremberg, Nuremberg, Germany; Department of Surgery, Paracelsus Medical University, Salzburg, Austria.
| | | | - Attila Dubecz
- Department of General and Thoracic Surgery, Klinikum Nuremberg, Nuremberg, Germany; Department of Surgery, Paracelsus Medical University, Salzburg, Austria
| | | | | | - Dietmar Ofner
- Department of Surgery, Paracelsus Medical University, Salzburg, Austria
| | - Hubert J Stein
- Department of General and Thoracic Surgery, Klinikum Nuremberg, Nuremberg, Germany
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6
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Santos JP, García M, Aleixandre M, Horrillo MC, Gutiérrez J, Sayago I, Fernández MJ, Arés L. Electronic nose for the identification of pig feeding and ripening time in Iberian hams. Meat Sci 2012; 66:727-32. [PMID: 22060883 DOI: 10.1016/j.meatsci.2003.07.005] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2001] [Revised: 04/12/2002] [Accepted: 07/23/2003] [Indexed: 11/12/2022]
Abstract
An electronic nose system to control the processing of dry-cured Iberian ham is presented. The sensors involved are tin oxide semiconductors thin films. They were prepared by RF sputtering. Some of the sensors were doped with metal catalysts as Pt and Pd, in order to improve the selectivity of the sensors. The multisensor with 16 semiconductor sensors, gave different responses from two types of dry-cured Iberian hams which differ in the feeding and curing time. The data has been analysed using the PCA (principal component analysis) and backpropagation and probabilistic neural networks. The analysis shows that different types of Iberian ham can be discriminated and identified successfully.
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Affiliation(s)
- J P Santos
- Laboratorio de Sensores, Instituto de Fı́sica Aplicada, IFA- CSIC, Serrano144, 28006 Madrid, Spain
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Fernández MJ, Leal MÁ, Guzmán J. [Appropriateness of treating glaucoma suspects. Concordancy study with the RAND study group]. Arch Soc Esp Oftalmol 2010; 85:174-8. [PMID: 23010521 DOI: 10.1016/s0365-6691(10)55003-2] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/31/2009] [Accepted: 06/18/2010] [Indexed: 11/27/2022]
Abstract
OBJECTIVE The Appropriateness of Treating Glaucoma Suspects Study Group proposes to identify which patients suspected of glaucoma are suitable for treatment. Our objective is to analyse the concordance between our clinical decisions and this Study Group. METHODS Retrospective study of 77 patients (39 suspects, 38 ocular hypertensives). Variables such as age, family history, intraocular pressure, disc size, cup-to-disc ratio, central corneal thickness and life expectancy were collected.They were scored following the Appropriateness of Treating Glaucoma Suspects Scale. Whether there was a consensus to treat or not depended on this value. The kappa index was used to measured the concordancy. RESULTS The kappa index was 0.082 (95% confidence interval between -0.11 and 0.27). Total concordancy was obtained in 41 patients (63,08%). We decided to treat 25 patients (22 of which were not treated by the experts) and not to treat 40 patients (2 of which were treated by the experts). In 12 patients there was noconsensus by the experts to treat, but we decided to treat 8 of them. CONCLUSIONS [corrected] The concordancy index was low. Others variables such as visual fields and Heidelberg Retina Tomography (HRT III) parameters were not collected by the experts but were important in our decisions. There are no clinical guidelines on suspects. Individualised decisions are still necessary.
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Affiliation(s)
- M J Fernández
- Sección de Glaucoma, Hospital Virgen de La Salud, Toledo, España.
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Porta-Etessam J, Casanova I, García-Cobos R, Lapeña T, Fernández MJ, García-Ramos R, Serna C. [Osmophobia analysis in primary headache]. Neurologia 2009; 24:315-317. [PMID: 19642034] [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: 05/28/2023] Open
Abstract
INTRODUCTION Osmophobia is often reported by migraine patients. This study evaluates osmophobia in connection with the diagnosis of episodic migraine with or without aura, chronic migraine and episodic and chronic tension-type headache. METHODS We recruited from our Headache Unit 68 patients (59 female, 9 male; age 37+/-14.7 years), of whom 24 were migraine without aura (MoA), 11 migraine with aura (MA), 10 chronic migraine (CM) and 23 TTH (episodic-TTH). Patients with two or more forms of primary headache were excluded. RESULTS Among migraine patients, 54% with MoA and 0% with MA, 40 %CM reported osmophobia during the attacks; none of the 23 TTH patients suffered this symptom. The crisis frequency was MoA and osmophobia 2.15 crisis per month; MoA without osmophobia 3,14. MC with osmophobia 22; MC without osmophobia 21.7. CONCLUSIONS Osmophobia and taste abnormalities were demonstrated to be very specific in diagnosing migraine, but very insensitive. Osmophobia frequency does not depend on migraine frequency. Osmophobia seems to be more frequent in females than in males. The lack of osmophobia in MA patients could be explained by a different pathophysiological mechanism between MA and MoA.
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Affiliation(s)
- J Porta-Etessam
- Unidad de Cefaleas, Servicio de Neurología, Hospital Universitario Clínico San Carlos, Madrid.
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Beneyto P, Fernández MJ, García A, Ibáñez M, García-Aparicio A, Morente P. [Fuchs' heterochromic cyclitis without heterochromia: a diagnostic approach]. ACTA ACUST UNITED AC 2007; 82:355-9. [PMID: 17573645 DOI: 10.4321/s0365-66912007000600007] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [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: 11/11/2022]
Abstract
OBJECTIVE To obtain diagnostic guidelines of Fuchs' heterochromic cyclitis (FHC) in the absence of heterochromia using Bayesian methods. METHODS The pre-test and post-test likelihood that a certain patient without heterochromia (but with other characteristic symptoms of the disease such as iris nodules, cataracts, glaucoma or vitritis) has FCH, was assessed by the Bayes' theorem for conditioned likelihood. The prevalence values of FCH and the presentation rate of symptoms in FCH and in other forms of anterior uveitis were obtained from published literature data. RESULTS In the absence of heterochromia, the combination of iris nodules together with cataracts, vitritis or glaucoma, and the association of the last three symptoms in the absence of nodules, resulted in an accumulated likelihood of more than 50% of subjects having the disease. CONCLUSIONS The coincidence in one patient of several indicative symptoms, even in the absence of heterochromia, may make FCH a likely diagnostic option.
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Affiliation(s)
- P Beneyto
- Servicio de Oftalmología y Servicio de Reumatología, Hospital Virgen de la Salud, Toledo, España.
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Leal MA, Beneyto P, Ibáñez MA, García A, Fernández MJ. [Have patients who go to the emergency department changed? Evolutive study for the years 1997 and 2005]. Arch Soc Esp Oftalmol 2007; 82:159-65. [PMID: 17357893 DOI: 10.4321/s0365-66912007000300008] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Abstract
OBJECTIVE To study the change in number and profile of patients who came to the Emergency Department of a level 2 hospital with ophthalmic emergencies in the years 1997 and 2005. METHOD Two groups of randomly selected patients who came to the Emergency Service on the same day in the years 1997 and 2005 were studied. The study focused on the following variables: number of visits per day, gender, age, time period, number of examinations done, diagnoses and type of treatment prescribed. Comparison of proportions was carried out with a confidence interval study and Chi Square Test. RESULTS The statistically significant changes (p<0.05) were as follows: increase in number of patients seen; increase in the diagnosis of corneal foreign body (25%); decrease in the diagnosis of conjunctivitis (12%); increase in cases in which only one examination was done (19%); increase in frequency of visits between 6 p.m. and 9 p.m. and decrease between 9 a.m. and 12 p.m; reduced attendance of those of female gender (13%) and increase in the male gender (13%); increase in patients between the age of 31 and 40 years (9%); decrease in the use of treatments such as occlusion and epithelializing ointment (7% and 6% respectively); increase in use of analgesics (5%), artificial tears (5%) and NSAIDs (8%); increase in referral of patients to their primary care physician (17%) and decrease in ophthalmology check ups (34%). CONCLUSIONS The number of ophthalmological emergencies has increased in the last eight years, especially in young male patients, with work-related disease, who came in the evening. Treatments such as the use of artificial tears have increased, and patients are sent to the primary care physician more often.
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Affiliation(s)
- M A Leal
- Servicio de Oftalmología del Complejo Hospitalario de Toledo, España.
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Maseda E, Ablanedo A, Baldó C, Fernández MJ. [Migration and extrusion from the upper digestive tract to the skin of the neck of a foreign body (fish bone)]. Acta Otorrinolaringol Esp 2007; 57:474-6. [PMID: 17228649 DOI: 10.1016/s0001-6519(06)78752-0] [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] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
Abstract
Foreign bodies ingestion is a common problem seen at emergency rooms and mostly involved are fish and chicken bones. The diagnosis can be difficult because of the age of the patient (children and older patients with dental prosthesis). The shape of the foreign body leds to the course of the pathology, with possible mayor complications like migration into the fascial spaces of the neck, retropharyngeal abscess and perforation of the pharynx or esophagus which have the potential to cause morbidity and mortality. We present a 88-year-old lady who swallowed a 3 cm linear sharp fish bone which migrated from the pharynx to the skin of the neck, surfaced through a fistulous orifice and threw out six weeks later. No intervention was needed. A discussion of the management of migrated foreign bodies follows.
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Affiliation(s)
- E Maseda
- Servicio de Otorrinolaringología del Hospital San Agustín, Avilés, SESPA.
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12
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Trapero-Marugán M, García-Buey L, Muñoz C, Quintana NE, Moreno-Monteagudo JA, Borque MJ, Fernández MJ, Salvanés FR, Medina J, Moreno-Otero R. Sustained virological response to peginterferon plus ribavirin in chronic hepatitis C genotype 1 patients is associated with a persistent Th1 immune response. Aliment Pharmacol Ther 2006; 24:117-28. [PMID: 16803610 DOI: 10.1111/j.1365-2036.2006.02954.x] [Citation(s) in RCA: 15] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
BACKGROUND An impairment of cellular immune response may contribute to the persistency of hepatitis C virus infection. AIM To analyse the Th1/Th2 cytokine profile in peripheral blood CD4(+) and CD8(+) T cells from patients with chronic hepatitis C (CHC) during treatment with pegylated interferon-alpha2a plus ribavirin and to correlate the Th1/Th2 balance with virological response (SVR). METHODS Prospective longitudinal study: 44 naïve genotype 1 CHC patients received PEG-IFNalpha2a plus ribavirin for 48 weeks: 26 (59.1%) achieved a SVR, 13 relapsed (29.5%) and 5 (11.4%) were non-responders. Sixteen healthy controls were analysed. The production of IL-4, IFNgamma and TNFalpha by CD4(+) and CD8(+) T cells was measured using flow cytometry, both in resting and phorbol-ester-stimulated cells. RESULTS First three months of treatment: the synthesis of TNFalpha by phorbol-ester-stimulated-CD4(+) T cells was higher in patients with SVR (P < 0.01). At the end of treatment, SVR was associated with higher intracellular expression of IFNgamma by stimulated-CD4(+) and CD8(+) T cells (P < 0.05). At the end of follow-up, a higher intracellular expression of IFNgamma by CD4(+) T cells was associated with a SVR. CONCLUSIONS A Th1-type immune response was associated with achievement of a SVR, as indicated by the persistent elevation of intracellular IFNgamma and TNFalpha.
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Affiliation(s)
- M Trapero-Marugán
- Gastroenterology and Hepatology Service, Hospital Universitario de La Princesa, Madrid, Spain
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Guerrero-Peral AL, Carrasco-Cavia E, Díez-González S, Fernández MJ, Martín-Polo JM, Bueno-Rodríguez V. [Seasonal analysis of outbreaks of multiple sclerosis and their relation to different climatologic variables]. Rev Neurol 2005; 41:446-8. [PMID: 16193453] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/04/2023]
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García M, Fernández MJ, Fontecha JL, Lozano J, Santos JP, Aleixandre M, Sayago I, Gutiérrez J, Horrillo MC. Differentiation of red wines using an electronic nose based on surface acoustic wave devices. Talanta 2005; 68:1162-5. [PMID: 18970446 DOI: 10.1016/j.talanta.2005.07.031] [Citation(s) in RCA: 32] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2005] [Revised: 07/05/2005] [Accepted: 07/14/2005] [Indexed: 11/28/2022]
Abstract
An electronic nose, utilizing the principle of surface acoustic waves (SAW), was used to differentiate among different wines of the same variety of grapes which come from the same cellar. The electronic nose is based on eight surface acoustic wave sensors, one is a reference sensor and the others are coated by different polymers by spray coating technique. Data analysis was performed by two pattern recognition methods; principal component analysis (PCA) and probabilistic neuronal network (PNN). The results showed that electronic nose was able to identify the tested wines.
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Affiliation(s)
- M García
- Laboratorio de Sensores, IFA-CSIC, Serrano 144, 28006 Madrid, Spain
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15
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Fernández MJ, Oliva J, Barba A, Cámara MA. Effects of clarification and filtration processes on the removal of fungicide residues in red wines (var. Monastrell). J Agric Food Chem 2005; 53:6156-61. [PMID: 16029011 DOI: 10.1021/jf0580162] [Citation(s) in RCA: 18] [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: 05/03/2023]
Abstract
The effects of six clarification agents (egg albumin, blood albumin, bentonite plus gelatin, charcoal, PVPP, and silica gel) on the removal of residues of four fungicides (cyprodinil, fludioxonil, pyrimethanil, and quinoxyfen) applied directly to a racked red wine, elaborated from Monastrell variety grapes from the D.O. region of Jumilla (Murcia, Spain), are studied. The clarified wines were filtered with 0.45 microm nylon filters to determine the influence of this winemaking process in the disappearance of fungicide residues. Analytical determination of cyprodinil, fludioxonil and pyrimethanil was performed by gas chromatography with an alkaline thermoionic detector (NPD), whereas that of quinoxyfen using an electron captor detector (ECD). In general, and for all of the fungicides except quinoxyfen, blood albumin has proved to be the most effective clarifying agent in the removal of residues, whereas silica gel proved to be ineffective against all of the pesticides with the exception of fludioxonil. Quinoxyfen is the least persistent fungicide in the clarified wines and that which appears with highest frequency in the lees. In general, filtration is not an effective step in the elimination of wine residues. The greatest elimination after filtration is obtained in wines clarified with charcoal and the lowest in those clarified with PVPP.
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Affiliation(s)
- M J Fernández
- Departamento de Química Agrícola, Geología y Edafología, Facultad de Química, Universidad de Murcia, Campus de Espinardo, 30100 Murcia, Spain
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16
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Cobos MJ, Fernández MJ, Rubio J, Kharrat M, Moreno MT, Gil J, Millán T. A linkage map of chickpea (Cicer arietinum L.) based on populations from Kabuli x Desi crosses: location of genes for resistance to fusarium wilt race 0. Theor Appl Genet 2005; 110:1347-53. [PMID: 15806343 DOI: 10.1007/s00122-005-1980-1] [Citation(s) in RCA: 33] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/05/2004] [Accepted: 02/23/2005] [Indexed: 05/22/2023]
Abstract
Two recombinant inbred line (RIL) populations derived from intraspecific crosses with a common parental line (JG62) were employed to develop a chickpea genetic map. Molecular markers, flower colour, double podding, seed coat thickness and resistance to fusarium wilt race 0 (FOC-0) were included in the study. Joint segregation analysis involved a total of 160 markers and 159 RILs. Ten linkage groups (LGs) were obtained that included morphological markers and 134 molecular markers (3 ISSRs, 13 STMSs and 118 RAPDs). Flower colour (B/b) and seed coat thickness (Tt/tt) appeared to be linked to STMS (GAA47). The single-/double-podding locus was located on LG9 jointly with two RAPD markers and STMS TA80. LG3 included a gene for resistance to FOC-0 (Foc0(1)/foc0(1)) flanked by RAPD marker OPJ20(600) and STMS marker TR59. The association of this LG with FOC-0 resistance was confirmed by QTL analysis in the CA2139 x JG62 RIL population where two genes were involved in the resistance reaction. The STMS markers enabled comparison of LGs with preceding maps.
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Affiliation(s)
- M J Cobos
- Area de Mejora y Biotecnología, IFAPA, Aptdo 3092, 14080, Córdoba, Spain
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17
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Fernández MJ, Oliva J, Barba A, Cámara MA. Fungicide dissipation curves in winemaking processes with and without maceration step. J Agric Food Chem 2005; 53:804-811. [PMID: 15686437 DOI: 10.1021/jf040299v] [Citation(s) in RCA: 28] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/24/2023]
Abstract
The evolution of residual levels of four fungicides (cyprodinil, fludioxonil, pyrimethanil, and quinoxyfen) during the elaboration of three types of wine with maceration (traditional red wine, carbonic maceration red wine, and red wine of long maceration and prefermentation at low temperature) and two types of wine without maceration (rose and white) has been studied. The disappearance curves of each fungicide have been analyzed during the period of each winemaking process (21 days) and during the different enological steps involved in the elaborations. The residual levels of fludioxonil reduce most quickly during the winemaking processes without maceration, whereas the decrease in levels of pyrimethanil was the slowest in practically all cases (with and without maceration). During carbonic maceration winemaking, the decay constant of cyprodinil was greater than that of the other pesticides in all assays (time and steps).
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Affiliation(s)
- M J Fernández
- Departamento de Química Agrícola, Geología y Edafología, Facultad de Química, Universidad de Murcia, Campus de Espinardo, 30100 Murcia, Spain
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18
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Ortiz M, Mon C, Fernández MJ, Sánchez R, Mampaso F, Alvarez Ude F. [Tubulointerstitial nephritis associated with treatment with selective Cox-2 inhibitors, celecoxib and rofecoxib]. Nefrologia 2005; 25:39-43. [PMID: 15789535] [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: 05/02/2023] Open
Abstract
The nephrotoxic effect of nonselective nonsteroidal anti-inflamatory drugs (NSAIDS) has been widely described. The main benefit of the Cox-2 inhibitors in relation to the NSAIDS is the production of a very similar analgesic effect, but with fewer gastrointestinal side effects. However, their effects on renal function are little known as yet and their long-term safety is still pending definition. The use of selective Cox-2 inhibitors as anti-inflamatory analgesic is becoming more and more common in our environment. We report two cases of tubulointersticial nephritis confirmed by renal biopsy, associated with administration of the two Cox-2 inhibitors currently available on the market, celecoxib and rofecoxib. In both cases, we were talking about elderly women, with deterioration of the general condition and acute renal failure. In the former case, renal biopsy showed an acute tubulo-intersticial nephritis (TIN) so highly "variegated" in its histologic expression. In the second case, was associated with strong indications of chronicity. Treatment with steroid was initiated in both patients and improvement of renal function was observed.
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Affiliation(s)
- M Ortiz
- Servicio de Nefrología, Hospital de Segovia, España.
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19
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Abstract
Caffeine has been investigated for its potential mutagenic activity to bacteria, fungi and mammalian cells in culture, and at high concentrations it is also an inducer of apoptosis. Caffeine can exert acute cellular toxicity, including inhibition of cell growth and cell death, in Chinese hamster ovary cells. The aim of this study was to evaluate the cell survival and apoptotic or non-apoptotic effects of caffeine to different concentrations in Chinese hamster ovary cells (CHO-K1). These effects were evaluated by measuring cell viability, caspase 8 activity and fragmented DNA. This study suggests that the concentration of caffeine is of critical importance because high doses of caffeine induce apoptosis and low concentrations can act as an antioxidant. Previously, the cytotoxicity of caffeine was evaluated using a wide range of concentrations by the neutral red test. From this screening, adequate doses were selected to perform the caspase activity and fragmentation DNA studies. The potential antioxidant effect of caffeine was studied using tert-butyl-hydroperoxide as a free-radical generator. The repeatability was checked through three separate tests with the same concentration.
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Affiliation(s)
- M J Fernández
- Sec. Tox. Celular y Genética (CNA), Ag. Española de Seguridad Alimentaría, Majadahonda, 28220 Madrid, Spain
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20
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Díaz C, Baldó C, Martín A, Fernández MJ, Muñoz M, Rodríguez L, Tudó G, González J, Pérez J, Palacios JJ. [Parotid tuberculosis following intravesical BCG instillation: a case report]. Acta Otorrinolaringol Esp 2003; 54:129-33. [PMID: 12802989 DOI: 10.1016/s0001-6519(03)78395-2] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.3] [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: 10/27/2022]
Abstract
First case of parotid gland tuberculosis publicated to date is presented after intravesical instillation of BCG for a superficial bladder cancer. The diagnosis of the parotid gland tuberculosis is difficult because it is usually indistinguishable from a neoplasm. Combined fine-needle aspiration cytology with PCR or LCR amplification of mycobacterial DNA could be a good diagnostic tool avoiding an open biopsy.
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Affiliation(s)
- C Díaz
- Servicio de ORL, Hospital San Agustín, Carnino de Heros, 4, 33400 Avilés
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21
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Saavedra S, Sanz GF, Jarque I, Moscardó F, Jiménez C, Lorenzo I, Martín G, Martínez J, De La Rubia J, Andreu R, Mollá S, Llopis I, Fernández MJ, Salavert M, Acosta B, Gobernado M, Sanz MA. Early infections in adult patients undergoing unrelated donor cord blood transplantation. Bone Marrow Transplant 2002; 30:937-43. [PMID: 12476288 DOI: 10.1038/sj.bmt.1703764] [Citation(s) in RCA: 89] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2002] [Accepted: 07/25/2002] [Indexed: 11/10/2022]
Abstract
Early transplant-related mortality after cord blood transplantation from unrelated donors (UD-CBT) is close to 50%, mainly due to infectious complications. We have studied the incidence and characteristics of early infections (before day 100) in a series of 27 adult patients (median age 30 years, range 16-46) undergoing UD-CBT at a single institution. All 27 patients experienced at least one infectious episode and 18 (66%) suffered a severe infection. Bacteremia occurred in 55% of patients (13 with Gram-positive and 11 with Gram-negative microorganisms). Eleven of 19 CMV-seropositive patients (58%) developed CMV antigenemia and one patient had CMV disease. Fungal infections were documented in three patients (11%), comprising invasive fungal infections in two cases and a localized esophagitis in one. Ten patients (37%) died before day 100 after transplantation. Infection was considered the primary cause of death in four patients (sepsis by Acinetobacter spp. bacteremia in three cases) and contributed to death in another four. The most striking findings in this series were the high incidence of, and mortality due to multiresistant Acinetobacter spp. and the low incidence of and lack of mortality due to CMV disease. This report confirms that infection is a major complication in adults undergoing UD-CBT.
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Affiliation(s)
- S Saavedra
- Bone Marrow Transplant Unit, Department of Haematology, Hospital Universitario La Fe, Valencia, Spain
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22
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Abstract
Some drinks containing natural products with stimulant properties are highly consumed among young adults. The market for these drinks has increased in past years around the globe, and, although they might be harmless, overdoses or combination of these with other drinks could be harmful to the health of some consumers in certain circumstances. Samples were obtained at food shops and different popular brands were chosen. Cytotoxicity tests used were neutral red uptake, total protein content, and tetrazolium assay on Chinese hamster ovary cells. Results revealed that tested samples were not cytotoxic; however, studies have demonstrated the toxicity of high concentrations of some of these products. For this reason, the authors considered it to be of critical importance to carryout an in vitro toxicity screening of stimulant soft drinks that are highly consumed.
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Affiliation(s)
- A Santa-María
- Department of Biotecnología, Instituto de Salud Carlos III, Majadahonda, 28220 Madrid, Spain.
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23
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Cancho ME, Oliver JM, Fernández MJ, Martínez MJ, García JM, Naverrete M. [Transesophageal echocardiographic diagnosis of a ruptured sinus of valsalva aneurysm with right atrium fistula]. Rev Esp Cardiol 2001; 54:1236-9. [PMID: 11591308] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/21/2023]
Abstract
Congenital aneurysms of the sinus of Valsalva are relatively rare, tending to be most frequent in adults. Untreated, there is a substantial risk of complication due to bacterial endocarditis and, if rupture occurs, rapid and progressive cardiac insufficiency is fatal at short term. We report the case of a 53-year-old male with a ruptured right sinus of Valsalva aneurysm, resulting in an anomalous right atrium fistula. Symptoms presented, clinical diagnosis and, above all, transesophageal echocardiography were crucial in the final diagnosis leading to an early and satisfactory surgical intervention. Catheterization and angiography were not definitive. Echocardiographic data are described and a bibliography of relevant research articles is provided.
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Affiliation(s)
- M E Cancho
- Unidad de Cardiología del Hospital del Bierzo, Ponferrada, León.
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24
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González A, Remsing LL, Lombó F, Fernández MJ, Prado L, Braña AF, Künzel E, Rohr J, Méndez C, Salas JA. The mtmVUC genes of the mithramycin gene cluster in Streptomyces argillaceus are involved in the biosynthesis of the sugar moieties. Mol Gen Genet 2001; 264:827-35. [PMID: 11254130 DOI: 10.1007/s004380000372] [Citation(s) in RCA: 40] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
Abstract
Mithramycin is a glycosylated aromatic polyketide produced by Streptomyces argillaceus, and is used as an antitumor drug. Three genes (mtmV, mtmU and mtmC) from the mithramycin gene cluster have been cloned, and characterized by DNA sequencing and by analysis of the products that accumulate in nonproducing mutants, which were generated by insertional inactivation of these genes. The mtm V gene codes for a 2,3-dehydratase that catalyzes early and common steps in the biosynthesis of the three sugars found in mithramycin (D-olivose, D-oliose and D-mycarose); its inactivation caused the accumulation of the nonglycosylated intermediate premithramycinone. The mtmU gene codes for a 4-ketoreductase involved in D-oliose biosynthesis, and its inactivation resulted in the accumulation of premithramycinone and premithramycin A , the first glycosylated intermediate which contains a D-olivose unit. The third gene, mtmC, is involved in D-mycarose biosynthesis and codes for a C-methyltransferase. Two mutants with lesions in the mtmC gene accumulated mithramycin intermediates lacking the D-mycarose moiety but containing D-olivose units attached to C-12a in which the 4-keto group is unreduced. This suggests that mtmC could code for a second enzyme activity, probably a D-olivose 4-ketoreductase, and that the glycosyltransferase responsible for the incorporation of D-olivose (MtmGIV) shows some degree of flexibility with respect to its sugar co-substrate, since the 4-ketoanalog is also transferred. A pathway is proposed for the biosynthesis of the three sugar moieties in mithramycin.
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Affiliation(s)
- A González
- Departamento de Biología Funcional e Instituto Universitario de Oncología del Principado de Asturias, Universidad de Oviedo, Spain
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25
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Mollá S, de La Rubia J, Arriaga F, Fernández MJ, Carpio N, Marty ML. Role of exchange transfusion in patients with severe Falciparum malaria: report of six cases. Haematologica 2001; 86:208-9. [PMID: 11224494] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/19/2023] Open
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26
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Ferreiro C, Vivas S, Jorquera F, Domínguez AB, Espinel J, Muñoz F, Herrera A, Fernández MJ, Olcoz JL, Ortiz de Urbina J. [Toxic hepatitis caused by nimesulide, presentation of a new case and review of the literature]. Gastroenterol Hepatol 2000; 23:428-30. [PMID: 11126038] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 02/18/2023]
Abstract
Nimesulide is a potent non-steroidal anti-inflammatory drug. It is a new, selective cyclooxygenase-2 inhibitor with few adverse effects on the gastrointestinal system. We present a case of hepatotoxicity in which other possible causes of liver damage were excluded. A biochemical pattern of cholestasis was predominant. Evolution was favorable after the drug was stopped and enzymatic alterations progressively returned to normal. The cases reported to date are reviewed. The precise mechanism by which nimesulide produces liver damage is not known but it is probably caused by an idiosyncratic reaction. Because of the severity of the hepatitis described in some cases, treatment should be stopped when liver dysfunction is detected and the patients should be closely monitored.
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Affiliation(s)
- C Ferreiro
- Sección de Aparato Digestivo y Servicio de Farmacia, Hospital de León, León
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27
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Abstract
The present study is an assessment of the rate and severity of tobacco consumption in outpatients with schizophrenia, and the determinants of smoking behaviour. Sixty-four patients, assessed by the Item Group Checklist section of the SCAN interview and fitting DSM-IV criteria, were evaluated with CGI and the PANSS scales. In addition, they completed STAI (Spielberger), EPQ (Eysenck), and TPQ (Cloninger) questionnaires. Tobacco dependence was assessed by the Fagerström test. One hundred and thirty-seven consecutive outpatients were psychiatric controls. Forty-one out of 64 patients with schizophrenia (64.1%) were current smokers, this rate being significantly higher than in other psychiatric patients and general population. The severity of cigarette consumption in smokers was greater (mean of 22.4 cigarettes/day) than in the general population, but it was not different from that of other psychiatric patients. For patients with schizophrenia, no one variable (except male sex) was different between smokers and non-smokers, but the number of cigarettes/day correlated with state anxiety, trait anxiety, and neuroticism. In the multivariate analysis, the only variable that remained significant was neuroticism. The relationship between clinical features and severity of smoking behaviour may be linked to non-specific variables such as neuroticism and anxiety, but not to psychotic symptoms.
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Affiliation(s)
- A Herrán
- Department of Psychiatry, University Hospital Marqués le Valdecilla, Santander, Spain.
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28
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Blanco G, Fernández E, Fernández MJ, Braña AF, Weissbach U, Künzel E, Rohr J, Méndez C, Salas JA. Characterization of two glycosyltransferases involved in early glycosylation steps during biosynthesis of the antitumor polyketide mithramycin by Streptomyces argillaceus. Mol Gen Genet 2000; 262:991-1000. [PMID: 10660060 DOI: 10.1007/pl00008667] [Citation(s) in RCA: 50] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
A 2,580-bp region of the chromosome of Streptomyces argillaceus, the producer of the antitumor polyketide mithramycin, was sequenced. Analysis of the nucleotide sequence revealed the presence of two genes (mtmGIII and mtmGIV) encoding proteins that showed a high degree of similarity to glycosyltransferases involved in the biosynthesis of various antibiotics and antitumor drugs. Independent insertional inactivation of both genes produced mutants that did not synthesize mithramycin but accumulated several mithramycin intermediates. Both mutants accumulated premithramycinone, a non-glycosylated intermediate in mithramycin biosynthesis. The mutant affected in the mtmGIII gene also accumulated premithramycin A1, which contains premithramycinone as the aglycon unit and a D-olivose attached at C-12a-O. These experiments demonstrate that the glycosyltransferases MtmGIV and MtmGIII catalyze the first two glycosylation steps in mithramycin biosynthesis. A model is proposed for the glycosylation steps in mithramycin biosynthesis.
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Affiliation(s)
- G Blanco
- Departamento de Biología Funcional e Instituto Universitario de Oncología del Principado de Asturias, Universidad de Oviedo, Spain
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29
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Fernández MJ, Adrio JL, Piret JM, Wolfe S, Ro S, Demain AL. Stimulatory effect of growth in the presence of alcohols on biotransformation of penicillin G into cephalosporin-type antibiotics by resting cells of Streptomyces clavuligerus NP1. Appl Microbiol Biotechnol 1999; 52:484-8. [PMID: 10570794 DOI: 10.1007/s002530051549] [Citation(s) in RCA: 18] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
Abstract
Growth of Streptomyces clavuligerus NP1 in the presence of methanol or ethanol resulted in a marked increase in production of cephalosporin(s) from penicillin G by resting cells. The mycelium produced in alcohol-supplemented medium was fragmented and dispersed as compared with growth in control medium. HPLC analysis showed that at least two products were present in the biotransformation supernatant fluid after 1 h incubation. One of them has been identified as deacetoxycephalosporin G (DAOG).
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Affiliation(s)
- M J Fernández
- Department of Biology, Massachusetts Institute of Technology, Cambridge 02139, USA
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30
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Moreno R, López de Sá E, López-Sendón JL, Ortega A, Fernández MJ, Fernández-Bobadilla J, Delcán JL. Prognosis of medically stabilized unstable angina pectoris with a negative exercise test. Am J Cardiol 1998; 82:662-5, A6. [PMID: 9732897 DOI: 10.1016/s0002-9149(98)00411-1] [Citation(s) in RCA: 19] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Abstract
Three hundred twenty seven patients with medically stabilized unstable angina and a negative exercise test were followed-up during a mean of 39 months. Male gender, diabetes mellitus, and previous myocardial infarction, but not exercise parameters, were predictors of death or acute myocardial infarction.
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Affiliation(s)
- R Moreno
- Department of Cardiology, Hospital Gregorio Marañón, Madrid, Spain
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31
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Muñoz S, Alonso MA, Fernández MJ, Muñoz JL, García-Rodríguez JA. [Seroprevalence versus Parvovirus B19 in blood donors]. Enferm Infecc Microbiol Clin 1998; 16:161-2. [PMID: 9646558] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
BACKGROUND The aim of the study was to describe the seroprevalence against Parvovirus B19 in a random sample of blood donors in the Hospital Universitario de Salamanca. METHODS We studied the presence of IgG and IgM antibodies against Parvovirus B19 in 136 sera from asymptomatic blood donors by enzyme immunoassay methods. RESULTS From 136 samples tested, 88 (64.7%) had positive absorbance values for IgG. Forty eight samples (35.5%) were negative. IgM was negative in all cases. We did not find indeterminate results. DISCUSSION Parvovirus primoinfection usually happens in the childhood. Thus, we can expect a high percentage of general population to have antibodies against Parvovirus B19. Anti-Parvovirus B19 antibodies prevalence in blood donors was 64.7%. This failure is similar to data reported before (65%). Clinical importance of these viruses in currently related with hemathopoyesis diseases and with the possible role in theratogenesis. The presence of IgG seems to give protection except in some chronic infections recently described.
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Affiliation(s)
- S Muñoz
- Departamento de Microbiología, Hospital Universitario de Salamanca, Facultad de Medicina, Universidad de Salamanca
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32
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Bermejo E, Lajo T, Sotillo J, Fernández M, Palencia E, Bouza C. Crit Care 1998; 2:P093. [DOI: 10.1186/cc222] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022] Open
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33
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Rodríguez-Sanjuán JC, Casado F, Fernández MJ, Morales DJ, Naranjo A. Cholecystectomy and fistula closure versus enterolithotomy alone in gallstone ileus. Br J Surg 1997; 84:634-7. [PMID: 9171749] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Abstract
BACKGROUND The management of gallstone ileus is controversial. This study compared the results of simple enterolithotomy with those of enterolithotomy, cholecystectomy and fistula closure. METHODS A retrospective analysis was made of 25 patients with a mean age of 75 (range 55-84) years. Enterolithotomy was performed in 16 patients (group 1) and cholecystectomy and fistula closure were added in nine patients (group 2). RESULTS The diagnosis was made before operation in 12 patients, and was associated with previous biliary disorder (P = 0.03) and pneumobilia (P < 0.001). Postoperative morbidity occurred in eight patients in group 1 and in six in group 2. Three patients died in each group; all but one of the deaths were unrelated to the surgical procedure. There was no relationship between age and mortality, and patients in American Society of Anesthesiologists (ASA) classes III and IV did not have higher rates of morbidity or mortality than those in ASA classes I and II. CONCLUSION Evidence from this study does not support one-stage enterolithotomy, cholecystectomy and fistula closure as the procedure of choice; simple enterolithotomy is appropriate in most patients. However, the one-stage procedure may be acceptable in patients at low risk.
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Affiliation(s)
- J C Rodríguez-Sanjuán
- Department of General and Digestive Surgery, University Hospital Marqués de Valdecilla, Santander, Spain
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34
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Affiliation(s)
- C Ciriza
- Gastroenterology Department, Hospital Universitario San Carlos, Madrid, Spain
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35
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Blanco JE, Blanco M, Mora A, Prado C, Río M, Fernández L, Fernández MJ, Sáinz V, Blanco J. Detection of enterohaemorrhagic Escherichia coli O157:H7 in minced beef using immunomagnetic separation. Microbiologia 1996; 12:385-394. [PMID: 8897418] [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: 05/22/2023]
Abstract
Enterohaemorrhagic Escherichia coli (EHEC) O157:H7 has been recently recognized as a human pathogen associated with haemorrhagic colitis and haemolytic uraemic syndrome. Most outbreaks of haemorrhagic colitis resulted from the consumption of undercooked minced beef or raw milk. Dairy cattle have been identified as a reservoir of EHEC O157: H7. In this study E. coli O157 specific antibody, coated on magnetic beads, was used to concentrate and release EHEC O157:H7 from meat samples. A survey of retail fresh minced beef and hamburger samples using this procedure revealed that 3 (5%) of 58 beef samples were positive for EHEC O157:H7. Two of the strains produced both VT1 and VT2 verotoxins, and one produced only VT2. Immunomagnetic separation is a sensitive and simple technique for the isolation of E. coli O157 from food, and could be useful for a further elucidation of the epidemiology of this organism. The relatively high prevalence of EHEC O157:H7 in beef samples may constitute a risk for public health. Thus, a suitable epidemiologic control and effective methods of prevention should be applied.
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Affiliation(s)
- J E Blanco
- Departamento de Microbioloxía e Parasitoloxía, Facultade de Veterinaria, Universidade de Santiago de Compostela, Lugo, España
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36
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Dalfó A, Bayó J, Gil M, Campillo M, Botey A, Vila MA, Pou R, Núñez B, Florensa E, Fernández MJ. [Left ventricular hypertrophy in a general hypertensive population in Barcelona]. Med Clin (Barc) 1995; 105:361-6. [PMID: 7475437] [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: 01/25/2023]
Abstract
BACKGROUND Left ventricular hypertrophy (LVH) is a well known cardiac risk factor. There are no data available as to the epidemiology of this disease in the general hypertensive population in Spain. METHODS A randomized sample (n = 267) of a general hypertensive population under the age of 80 years was followed in a Basic Health Care Area located in the center of Barcelona, Spain. A Doppler-echocardiographic study of the patients was carried out. The patients were considered to have LVH when they demonstrated an index > 134 g/m2 of left ventricular mass in males and > 110 g/m2 in females. The odds ratio (OR) was estimated on presentation of LVH associated with exposure to different factors. RESULTS A prevalence of LVH diagnosed by echocardiogram was observed in 64% (confidence interval 95% from 58.3 to 69.8%). The independent risk factors associated with the presence of LVH were female sex, age and systolic blood pressure. CONCLUSIONS Left ventricular hypertrophy is a frequent cardiovascular risk factor in the general hypertensive population in Spain. A systematic search by echocardiography cannot be recommended in primary health care until cost-effectiveness studies have been performed.
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Affiliation(s)
- A Dalfó
- Area Básica de Salud Gòtic. Unidad Docente de Medicina Familiar y Comunitaria de Barcelona
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37
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Busto N, Ramos G, Fernández MJ, Bayón J, del Amo P. [Anesthetic management of labor in a pregnant woman with myocardial infarction]. Rev Esp Anestesiol Reanim 1995; 42:142-4. [PMID: 7784687] [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: 01/27/2023]
Abstract
Given the rarity of acute myocardial infarction (AMI) in parturients, we report the case of a 29-years-old woman who suffered 2 AMIs related to her 2 pregnancies. In our patient, the anesthetic technique chosen for the second birth, which was vaginal, was epidural analgesia with invasive hemodynamic monitoring. No complications occurred during the birth or the perinatal period.
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Affiliation(s)
- N Busto
- Servicio de Anestesiología, Complejo Hospitalario de León
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38
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Figueira A, Suárez R, Llorente A, Fernández MJ, Busto N. [Heart blockade and reversible ventricular asystole after propofol administration]. Rev Esp Anestesiol Reanim 1994; 41:301. [PMID: 7991912] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 05/22/2023]
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39
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Bayó J, Dalfó A, Vila MA, Fernández-Aramburu MC, Fernández MJ, Casasa A. [Reflex sympathetic dystrophy]. Aten Primaria 1993; 12:354-7. [PMID: 8218818] [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: 01/29/2023] Open
Abstract
OBJECTIVE The description of three cases of reflex sympathetic dystrophy. DESIGN Retrospective clinical observations. SETTING Gòtic basic Health Area, Barcelona. PATIENTS AND OTHER PARTICIPANTS Two women and a man (aged 75, 65 and 56) with mechanical pain and inflammation in the extremities. Two of the cases had a case history of trauma. Radiological signs of mottled osteoporosis were observed in the affected extremities of all the patients. In one there was gammagraphic pick-up. They were diagnosed as suffering reflex sympathetic dystrophy. INTERVENTIONS Rehabilitation, non-steroid anti-inflammatories and treatment with Calcitonin. MEASUREMENTS AND MAIN RESULTS Clinical and complementary diagnostic trials. CONCLUSIONS Describing the clinical presentation and the necessary complementary trials to be able to reach an early diagnosis of this illness, which provides a better prognosis.
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Affiliation(s)
- J Bayó
- Area Básica de Salud Gòtic, Barcelona
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40
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Ladero JM, González JF, Benítez J, Vargas E, Fernández MJ, Baki W, Diaz-Rubio M. Acetylator polymorphism in human colorectal carcinoma. Cancer Res 1991; 51:2098-100. [PMID: 2009528] [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: 12/29/2022]
Abstract
Acetylator phenotype has been determined using sulfamethazine in 109 patients histologically diagnosed with colorectal carcinoma (resected in 74 patients by the time of the study) and in 96 age-matched controls. Fifty-five % of patients and 58.3% of controls were classified as slow acetylators (chi 2 = 0.11, not significant). No differences were observed in the distribution of acetylator phenotype when analyzing separately male and female, surgically treated and untreated, and colonic and rectal carcinoma patients. We conclude that acetylator polymorphism is not a genetic trait related to the risk of developing colorectal carcinoma in human beings.
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Affiliation(s)
- J M Ladero
- Department of Medicine, Complutense University, Madrid, Spain
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41
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Tojo S, Pozo F, Fernández MJ, Suárez TV, Fernández JA, Díaz-Faes LM. [Epidemiologic study of cancer of the colon and rectum in the health area of the Nalón valley (Asturias, 1978-1986)]. Rev Esp Enferm Apar Dig 1989; 75:236-40. [PMID: 2734468] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Abstract
An epidemiological study was made of malignant tumors of the colon and rectum in the Nalon valley health district (Asturias, Spain). The study period comprehend from 1978 to 1986, inclusive. The population studied, 103,000 hab., has been stable over the last 10 years, and is grouped into well defined sectors: industrial-mining activities and agricultural-livestock raising. The total number of cases was 275 patients, for a mean annual incidence (IMA) of 29.7/10(5) hab., making this a zone of high risk of the disease. Also analyzed are the clinical characteristics, diagnostic methods ant therapeutic measures, as well as the epidemiological distribution, a higher incidence being found in the industrialized zone than in the agricultural zone (p less than 0.05).
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Pou J, Fernández MJ, Defaye J, Dríguez H. [Induction of cellulases and xylanases in Aureobasidium pullulans]. Microbiologia 1988; 4:87-96. [PMID: 3268297] [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: 01/05/2023]
Abstract
The specificity or induction of wood-degrading enzymes using series of mono, di or polysaccharides as carbon source for the yeasts Geotrichum candidum and Trychosporon penicillatum and the yeast-like organism Aureobadidium pullulans were studied. The strain A. pullulans was the only one that when xylan or "steam exploded wood" were used as carbon source all the enzymes tested were found. This strain was unable to grow on carboxymethyl or Avicel cellulose. D-xylose was the nutritional inducer of beta-xylosidase and beta-xylanase but D-glucuronic acid induced CMCase activity and beta-glucosidase was produced with every carbon source. The 1,4 beta-xylobiose was not an inducer of beta-xylanase but with the structural 1,2-beta- and 1,3-beta-xylobiose isomers high levels of this enzyme were obtained.
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Affiliation(s)
- J Pou
- Instituto de Fermentaciones Industriales (CSIC), Madrid
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Pozo F, Suárez TV, Fernández MJ, Tojo S, Lamamie E, Díaz-Faes M, Rodrigo LR. [Epidemiologic study of gastric cancer in the health district of Nalón (Asturias) (1978-1985)]. Rev Esp Enferm Apar Dig 1988; 73:682-6. [PMID: 3262899] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
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Abstract
Acetylator phenotype was determined, using sulphamethazine, in 37 patients with histologically confirmed discoid lupus erythematosus, who were free from visceral damage, and in 157 normal control subjects. Twenty patients (54%) and 90 control subjects (57.4%) were slow acetylators (p not significant). Acetylator polymorphism appears not to be related to the risk of developing pure cutaneous discoid lupus erythematosus.
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Affiliation(s)
- J M Ladero
- Department of Medicine, Hospital Universitario San Carlos, Facultad de Medicina, Universidad Complutense, Madrid, Spain
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45
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Pozo F, Fernández MJ, Suárez TV, Tojo S, Lamamie E, Rodrigo LR. [Epidemiologic study of human hydatidosis in Asturias (1975-1984)]. Med Clin (Barc) 1987; 89:773-7. [PMID: 3431203] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
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Abstract
Hepatic acetylator phenotype has been determined, using sulfamethazine, in 81 white Spanish women with histologically proven breast cancer and in 75 adequate female controls. No differences were detected in the distribution of acetylator phenotype between the two groups of slow acetylators, 49 patients (60.5%) and 45 controls (60%). The percentage of acetylated sulfamethazine in plasma for each phenotype was not different either. Our results suggest that there is no relationship between the hepatic acetylator polymorphism and the risk of developing breast cancer in women.
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Affiliation(s)
- J M Ladero
- Department of Medicine, Faculty of Medicine, Complutense University, Madrid, Spain
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Fernández MJ, Javier G, Tusell J, Ortega JJ. [Treatment of acute promyelocytic leukemias in children]. An Esp Pediatr 1984; 20:869-75. [PMID: 6592998] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
Abstract
UNLABELLED Acute promyelocytic leukemia (APL), besides distinctive cytological characteristics has a high incidence of haemorrhagic complications due to disseminated intravascular coagulation (DIC). Nine patients with APL, between a day and 12 years old, were studied. Diagnosis was based on cytomorphological classification FAB. Eight presented with haemorrhages and DIC were found. Five received Daunorubicin and 4 DATOP. Patients with DIC also were given substitution therapy with platelets and heparin. RESULTS two died during the first two weeks, of intracranial haemorrhage (ICH) and sepsis respectively. Three in initial remission relapsed after 3 to 21 months and two died of ICH; the third one attained a new remission but presented a new relapse and finally died 61 months after onset. The other 4 patients are at present in their first remission of 1 to 12 months. IN CONCLUSION APL must receive, besides specific chemotherapy, early DIC therapy; with present polychemotherapy a high remission rate and prolonged disease-free survivals can be obtained.
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Bermejo J, Ardura J, Gimeno F, Fernández MJ. [Ventricular tachycardia in a healthy child. Electrophysiological study and review of the literature]. An Esp Pediatr 1983; 19:79-87. [PMID: 6660642] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
Abstract
Report of a healthy child with ventricular tachycardia is the reason for a review on the literature on this subject. Diagnosis can be made with usual electrocardiographic criteria and surely by electrophysiologic studies. Latter technique allows to study the origin, mechanism, efficiency of drugs and the type of pace-maker in case of drug treatment failure. Case report exemplifies all these aspects, and the essentials about etiology, symptoms, diagnosis and treatment are mentioned in the literature review.
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Fernández MJ, Gómez-Moreno C, Ruiz-Amil M. Induction of isoenzymes of alcohol dehydrogenase in "flor" yeast. Arch Mikrobiol 1972; 84:153-60. [PMID: 5051636 DOI: 10.1007/bf00412435] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
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