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1.
Artículo en Inglés | MEDLINE | ID: mdl-38381397

RESUMEN

BACKGROUND AND OBJECTIVE: The prevalence of food allergy (FA) has increased significantly, and the risk of developing anaphylaxis is unpredictable. Thus, discriminating between sensitized patients and those at risk of having a severe reaction is of utmost interest. To explore mast cell activation pattern and T follicular helper (TFH) 13 presence in sensitized and food anaphylaxis patients. METHODS: Patients sensitized to Lipid transfer protein (LTP) were classified as anaphylaxis or sensitized depending on the symptoms elicited by LTP-containing food. CD34+-derived MCs from patients and controls were obtained, sensitized with pooled sera, and challenged with Pru p 3 (peach LTP). Degranulation, PGD2, and cytokine/chemokine release were measured. The TFH13 population was examined by flow cytometry in the peripheral blood of all groups. In parallel, LAD2 cells were activated similarly to patients' MCs. RESULTS: A distinguishable pattern of mast cell activation was found in anaphylaxis compared to sensitized patients. Robust degranulation, PGD2, and IL-8 and GM-CSF secretion were higher in anaphylaxis, whereas TFG- and CCL2 secretion increased in sensitized patients. Concomitantly, anaphylaxis patients had a larger TFH13 population. MC activation profile was dependent on the sera rather than the MC source. In agreement with that, LAD2 cells reproduce the same pattern as MCs from anaphylactic and sensitized patients. CONCLUSION: The distinct profile of mast cell activation allows to discriminate between anaphylaxis and sensitized patients. Pooled sera may determine mast cell activation independently of mast cell origin. Besides, the presence of TFH13 cells in anaphylaxis patients points to an essential role of IgE affinity.

2.
Arch Soc Esp Oftalmol (Engl Ed) ; 96(9): 496-499, 2021 Sep.
Artículo en Inglés | MEDLINE | ID: mdl-34479707

RESUMEN

Long-chain 3-hydroxyacyl-CoA dehydrogenase deficiency is a rare metabolic disease caused by a specific mutation in the HADHA gene, which leads to an alteration in the metabolic pathway of fatty acids. Its most frequent form of presentation at the ophthalmological level is retinitis pigmentosa, and in some cases the ophthalmologist could be the first one to alert the other paediatric specialties to carry out a multidisciplinary approach to the case. The case is presented of a patient with long-chain 3-hydroxyacyl-CoA dehydrogenase deficit detected in neonatal screening, and which clinically debuted as pigmentary retinosis with no alteration in visual acuity as observed in the fundus images and optical coherence tomography of the retina provided. Finally, a review of the literature of this potentially lethal pathology is presented, and the main pathological and clinical features are highlighted.


Asunto(s)
Miopatías Mitocondriales , Enfermedades del Sistema Nervioso , Retinitis Pigmentosa , 3-Hidroxiacil-CoA Deshidrogenasas , Cardiomiopatías , Niño , Humanos , Recién Nacido , Errores Innatos del Metabolismo Lipídico , Proteína Trifuncional Mitocondrial/deficiencia , Retinitis Pigmentosa/diagnóstico , Rabdomiólisis
3.
Arch. Soc. Esp. Oftalmol ; 96(9): 496-499, sept. 2021. ilus
Artículo en Español | IBECS | ID: ibc-218033

RESUMEN

El déficit de 3-hidroxiacil CoA-deshidrogenasa de cadena larga es una enfermedad metabólica poco frecuente debido a una mutación específica en el gen HADHA, lo que provoca una alteración en la vía metabólica de los ácidos grasos. Su forma de presentación más frecuente a nivel oftalmológico es la retinosis pigmentaria, y en algunos casos el oftalmólogo podría ser quien alerte a las demás especialidades pediátricas para llevar a cabo un abordaje multidisciplinar del caso. Presentamos el caso de una paciente con déficit de 3-hidroxiacil CoA-deshidrogenasa de cadena larga detectado en el cribado neonatal que inició clínicamente como retinosis pigmentaria sin alteración de la agudeza visual y del que se aportan imágenes de fondo de ojo y de tomografía de coherencia óptica de la retina. Por último, se expone una revisión de la literatura de esta enfermedad potencialmente letal y se destacan las principales características anatomopatológicas y clínicas (AU)


Long-chain 3-hydroxyacyl-CoA dehydrogenase deficiency is a rare metabolic disease caused by a specific mutation in the HADHA gene, which leads to an alteration in the metabolic pathway of fatty acids. Its most frequent form of presentation at the ophthalmological level is retinitis pigmentosa, and in some cases the ophthalmologist could be the first one to alert the other paediatric specialties to carry out a multidisciplinary approach to the case. The case is presented of a patient with long-chain 3-hydroxyacyl-CoA dehydrogenase deficit detected in neonatal screening, and which clinically debuted as pigmentary retinosis with no alteration in visual acuity as observed in the fundus images and optical coherence tomography of the retina provided. Finally, a review of the literature of this potentially lethal pathology is presented, and the main pathological and clinical features are highlighted (AU)


Asunto(s)
Humanos , Femenino , Preescolar , 3-Hidroxiacil-CoA Deshidrogenasa , Miopatías Mitocondriales , Retinitis Pigmentosa/diagnóstico , Cardiomiopatías , Errores Innatos del Metabolismo Lipídico , Proteína Trifuncional Mitocondrial/deficiencia , Rabdomiólisis
4.
Oncogene ; 36(6): 766-776, 2017 02 09.
Artículo en Inglés | MEDLINE | ID: mdl-27375017

RESUMEN

Ewing sarcoma is characterized by chromosomal translocations fusing the EWS gene with various members of the ETS family of transcription factors, most commonly FLI1. EWS-FLI1 is an aberrant transcription factor driving Ewing sarcoma tumorigenesis by either transcriptionally inducing or repressing specific target genes. Herein, we showed that Sprouty 1 (SPRY1), which is a physiological negative feedback inhibitor downstream of fibroblast growth factor (FGF) receptors (FGFRs) and other RAS-activating receptors, is an EWS-FLI1 repressed gene. EWS-FLI1 knockdown specifically increased the expression of SPRY1, while other Sprouty family members remained unaffected. Analysis of SPRY1 expression in a panel of Ewing sarcoma cells showed that SPRY1 was not expressed in Ewing sarcoma cell lines, suggesting that it could act as a tumor suppressor gene in these cells. In agreement, induction of SPRY1 in three different Ewing sarcoma cell lines functionally impaired proliferation, clonogenic growth and migration. In addition, SPRY1 expression inhibited extracellular signal-related kinase/mitogen-activated protein kinase (MAPK) signaling induced by serum and basic FGF (bFGF). Moreover, treatment of Ewing sarcoma cells with the potent FGFR inhibitor PD-173074 reduced bFGF-induced proliferation, colony formation and in vivo tumor growth in a dose-dependent manner, thus mimicking SPRY1 activity in Ewing sarcoma cells. Although the expression of SPRY1 was low when compared with other tumors, SPRY1 was variably expressed in primary Ewing sarcoma tumors and higher expression levels were significantly associated with improved outcome in a large patient cohort. Taken together, our data indicate that EWS-FLI1-mediated repression of SPRY1 leads to unrestrained bFGF-induced cell proliferation, suggesting that targeting the FGFR/MAPK pathway can constitute a promising therapeutic approach for this devastating disease.


Asunto(s)
Proteínas de la Membrana/metabolismo , Proteínas de Fusión Oncogénica/metabolismo , Fosfoproteínas/metabolismo , Proteína Proto-Oncogénica c-fli-1/metabolismo , Proteína EWS de Unión a ARN/metabolismo , Sarcoma de Ewing/metabolismo , Sarcoma de Ewing/patología , Proteínas ras/antagonistas & inhibidores , Animales , Línea Celular Tumoral , Femenino , Xenoinjertos , Humanos , Sistema de Señalización de MAP Quinasas , Masculino , Ratones , Ratones SCID , Transducción de Señal , Proteínas ras/metabolismo
5.
Clin Infect Dis ; 62(7): 887-895, 2016 Apr 01.
Artículo en Inglés | MEDLINE | ID: mdl-26757804

RESUMEN

BACKGROUND: Medical treatment for multidrug-resistant (MDR)-tuberculosis is complex, toxic, and associated with poor outcomes. Surgical lung resection may be used as an adjunct to medical therapy, with the intent of reducing bacterial burden and improving cure rates. We conducted an individual patient data metaanalysis to evaluate the effectiveness of surgery as adjunctive therapy for MDR-tuberculosis. METHODS: Individual patient data, was obtained from the authors of 26 cohort studies, identified from 3 systematic reviews of MDR-tuberculosis treatment. Data included the clinical characteristics and medical and surgical therapy of each patient. Primary analyses compared treatment success (cure and completion) to a combined outcome of failure, relapse, or death. The effects of all forms of resection surgery, pneumonectomy, and partial lung resection were evaluated. RESULTS: A total of 4238 patients from 18 surgical studies and 2193 patients from 8 nonsurgical studies were included. Pulmonary resection surgery was performed on 478 patients. Partial lung resection surgery was associated with improved treatment success (adjusted odds ratio [aOR], 3.0; 95% confidence interval [CI], 1.5-5.9; I(2)R, 11.8%), but pneumonectomy was not (aOR, 1.1; 95% CI, .6-2.3; I(2)R, 13.2%). Treatment success was more likely when surgery was performed after culture conversion than before conversion (aOR, 2.6; 95% CI, 0.9-7.1; I(2)R, 0.2%). CONCLUSIONS: Partial lung resection, but not pneumonectomy, was associated with improved treatment success among patients with MDR-tuberculosis. Although improved outcomes may reflect patient selection, partial lung resection surgery after culture conversion may improve treatment outcomes in patients who receive optimal medical therapy.


Asunto(s)
Neumonectomía/estadística & datos numéricos , Tuberculosis Resistente a Múltiples Medicamentos/cirugía , Tuberculosis Pulmonar/cirugía , Adulto , Antituberculosos/uso terapéutico , Terapia Combinada , Femenino , Humanos , Masculino , Persona de Mediana Edad , Resultado del Tratamiento , Tuberculosis Resistente a Múltiples Medicamentos/tratamiento farmacológico , Tuberculosis Resistente a Múltiples Medicamentos/epidemiología , Tuberculosis Pulmonar/tratamiento farmacológico , Tuberculosis Pulmonar/epidemiología
7.
Int J Pharm ; 473(1-2): 518-27, 2014 Oct 01.
Artículo en Inglés | MEDLINE | ID: mdl-25066075

RESUMEN

Treatment of malignant gliomas consists of resection followed by radiotherapy and chemotherapy. Celecoxib (CXB), a selective COX-2 inhibitor, is able to control inflammation and pain, to improve the efficacy of radiotherapy, and to inhibit at high doses the growth of cancer cells. Two new delivery systems for CXB are developed: microspheres (MPs) for implantation in the brain after partial/complete removal of the tumor, and nanoparticles (NPs) for their potential to cross the blood brain barrier and deliver CXB into the CNS. Cell culture assays performed in PC12, SKN-AS and U373-MG cells demonstrate the antiproliferative affects of CXB, with EC50 values of 99.81 µM and 82.4 µM in U373-MG and SKN-AS cells. Encapsulation efficacy of CXB in formulation MP2 (20% CXB) was 74.6 ± 2.2% with a zero-order release rate of 47.8 µg/day/20mg microspheres for 34 days. Uncoated and polysorbate 80-coated CXB-NPs are prepared by nanoprecipitation. Mean sizes of uncoated and coated CXB-NPs were 173.6 ± 44.9 nm and 100.6 ± 62.1 nm. Cerebral cortex images showed a marked increase of fluorescence when the surfactant-coated NPs were administered to rats. These results suggest that both CXB formulations (MPs and NPs) are adequate systems to enhance the effects of chemotherapy in the treatment of malignant brain tumor.


Asunto(s)
Neoplasias Encefálicas/tratamiento farmacológico , Inhibidores de la Ciclooxigenasa 2 , Glioblastoma/tratamiento farmacológico , Microesferas , Nanopartículas , Pirazoles , Sulfonamidas , Animales , Celecoxib , Línea Celular Tumoral , Proliferación Celular/efectos de los fármacos , Inhibidores de la Ciclooxigenasa 2/administración & dosificación , Inhibidores de la Ciclooxigenasa 2/química , Preparaciones de Acción Retardada/administración & dosificación , Preparaciones de Acción Retardada/química , Humanos , Inflamación/tratamiento farmacológico , Ácido Láctico/química , Masculino , Nanopartículas/administración & dosificación , Nanopartículas/química , Ácido Poliglicólico/química , Copolímero de Ácido Poliláctico-Ácido Poliglicólico , Polisorbatos/química , Pirazoles/administración & dosificación , Pirazoles/química , Ratas Wistar , Sulfonamidas/administración & dosificación , Sulfonamidas/química
8.
J Pediatr Urol ; 9(4): 483-7, 2013 Aug.
Artículo en Inglés | MEDLINE | ID: mdl-23602843

RESUMEN

PURPOSE: To compare efficacy of Cohen's ureteral reimplantation and endoscopic treatment with Dx/HA in patients with primary VUR grades II, III and IV. METHODS: From April 2002 to June 2004, patients over 1 year old with VUR grade I, II, III or IV were included. Patients were randomized into two groups: endoscopic treatment (ET) or ureteral reimplantation (UR). In the ET group, an ultrasonography study was performed 24 h and 1 month after surgery, and two voiding cystourethrographies at 3 and 6 months post treatment. In the UR group, an ultrasonography study was done 7 days and 1 month after surgery and a micturial cystography 6 months post surgery. A postoperative nuclear direct cystogram was performed 5 years later in both groups. RESULTS: A total of 41 patients were included in this study: in ET 22 patients with 35 refluxing ureters and in UR 19 patients with 32 refluxing ureters. The VUR grades in ET were: 16 grade II, 16 grade III and 3 grade IV; and in UR: 15 grade II, 12 grade III and 5 grade IV. VUR was resolved in 91% (32/35) of ET (28% of ureters needed a second injection), and in 100% of UR group. Five years after the procedure, VUR was still resolved in 30/32 of ET and 32/32 of UR. CONCLUSION: Short- and long-term follow up shows that multiple endoscopic treatment of VUR grades II, III and IV with Dx/HA is as effective as ureteral reimplantation.


Asunto(s)
Dextranos/uso terapéutico , Endoscopía/métodos , Ácido Hialurónico/uso terapéutico , Reimplantación/métodos , Enfermedades Ureterales/cirugía , Reflujo Vesicoureteral/cirugía , Niño , Preescolar , Femenino , Estudios de Seguimiento , Humanos , Masculino , Factores de Tiempo , Resultado del Tratamiento , Procedimientos Quirúrgicos Urológicos/métodos
9.
CNS Neurol Disord Drug Targets ; 12(5): 665-79, 2013 Aug.
Artículo en Inglés | MEDLINE | ID: mdl-23469842

RESUMEN

Hipericum perforatum is a well-known herbal for its antidepressant property. Recently, it has been shown to have nootropic effects against neurodegenerative disorders. The aim of the present study was to evaluate the protective role of chronic administration of two standardized extract of Hypericum perforatum SHP1 rich in hyperforin (6%) and SHP2 extract poor in hyperforin (0.2%) on the neurodegeneration induced by chronic administration of rotenone in rats. Quercetin in liposomes, one active constituent, was tested in the same experimental conditions. The animals received pretreatments with SHP1 (4 mg/Kg, ip), SHP2 (4 mg/Kg, ip) or quercetin liposomes (25 and 100 mg/kg, ip) 60 min before of rotenone injection (2.5 mg/kg) for 45 days. Pretreatment of the animals with SHP1 and SHP2 efficiently halted deleterious toxic effects of rotenone, revealing normalization of catalepsy in addition to amelioration of neurochemical parameters. Also, SHP1 reduced neuronal damage, diminishing substantia nigra dopaminergic cell death caused by the pesticide, indicating benefit of neuroprotective therapy. In general, the SHP1 was more active than SHP2. In addition, SHP1 inhibited the apoptotic cascade by decreasing Bax levels. The results presented here indicate that mainly hyperforin and quercetin, may be involved in the neuroprotective action of Hypericum standardized extracts. Combination of dietary antioxidants could provide better therapeutic advantage for the management of Parkinson, and possibly other neurodegenerative disorders. Therefore H. perforatum standardized extract enriched in hyperforin, could be a better alternative for depressed elderly patients with degenerative disorders exhibiting elevated oxidative stress status.


Asunto(s)
Hypericum/química , Fármacos Neuroprotectores/uso terapéutico , Enfermedad de Parkinson/tratamiento farmacológico , Fitoterapia/métodos , Quercetina/uso terapéutico , Análisis de Varianza , Animales , Proteínas Reguladoras de la Apoptosis/metabolismo , Encéfalo/diagnóstico por imagen , Encéfalo/efectos de los fármacos , Encéfalo/metabolismo , Encéfalo/patología , Catalepsia/tratamiento farmacológico , Cuerpo Estriado/efectos de los fármacos , Cuerpo Estriado/metabolismo , Cuerpo Estriado/patología , Modelos Animales de Enfermedad , Dopamina/metabolismo , Relación Dosis-Respuesta a Droga , Fluorodesoxiglucosa F18 , Insecticidas/toxicidad , Liposomas/uso terapéutico , Masculino , Aprendizaje por Laberinto/efectos de los fármacos , Neuronas/efectos de los fármacos , Neuronas/patología , Enfermedad de Parkinson/etiología , Enfermedad de Parkinson/patología , Enfermedad de Parkinson/fisiopatología , Tomografía de Emisión de Positrones , Ratas , Ratas Wistar , Rotenona/toxicidad , Natación
10.
J Clin Microbiol ; 50(3): 1096-8, 2012 Mar.
Artículo en Inglés | MEDLINE | ID: mdl-22170922
11.
Neuroimage ; 57(1): 45-54, 2011 Jul 01.
Artículo en Inglés | MEDLINE | ID: mdl-21549205

RESUMEN

At present, the goal of stroke research is the identification of a potential recoverable tissue surrounding the ischemic core, suggested as ischemic penumbra, with the aim of applying a treatment that attenuates the growth of this area. Our purpose was to determine whether a combination of imaging techniques, including (18)F-FDG PET and MRI could identify the penumbra area. Longitudinal studies of (18)F-FDG PET and MRI were performed in rats 3 h, 24 h and 48 h after the onset of ischemia. A transient and a permanent model of focal cerebral ischemia were performed. Regions of interest were located, covering the ischemic core, the border that progresses to infarction (recruited tissue), and the border that recovers (recoverable tissue) with early reperfusion. Analyses show that permanent ischemia produces severe damage, whereas the transient ischemia model does not produce clear damage in ADC maps at the earliest time studied. The only significant differences between values for recoverable tissue, (18)F-FDG (84±2%), ADC (108±5%) and PWI (70±8%), and recruited tissue, (18)F-FDG (77±3%), ADC (109±4%) and PWI (77±4%), are shown in (18)F-FDG ratios. We also show that recoverable tissue values are different from those in non-infarcted tissue. The combination of (18)F-FDG PET, ADC and PWI MRI is useful for identification of ischemic penumbra, with (18)F-FDG PET being the most sensitive approach to its study at early times after stroke, when a clear DWI deficit is not observed.


Asunto(s)
Isquemia Encefálica/diagnóstico por imagen , Isquemia Encefálica/patología , Mapeo Encefálico/métodos , Glucosa-6-Fosfato/análogos & derivados , Imagen por Resonancia Magnética , Tomografía de Emisión de Positrones , Animales , Masculino , Radiofármacos , Ratas , Ratas Endogámicas F344
12.
Radiología (Madr., Ed. impr.) ; 52(5): 425-431, sept.-oct. 2010. tab, ilus
Artículo en Español | IBECS | ID: ibc-82283

RESUMEN

Objetivos. Presentar nuestra experiencia a 2 años con el uso de microesferas precargadas de adriamicina (DC Bead(R)) en la quimioembolización (TACE) de hepatocarcinoma, en un estudio prospectivo, consecutivo y multidisciplinar, valorando la eficacia, seguridad y tolerancia de este procedimiento. Material y métodos. Desde mayo 2007 hasta enero 2010 se han realizado 30 procedimientos de TACE en 17 pacientes (media de procedimientos:1,76), 3 mujeres/14 varones, con una edad media de 68 años (56–85 años) mediante el protocolo TACE de precisión, valorando los resultados con los criterios RECIST-EASL, controles TC/RM y clinicoanalíticos al mes, 3 y 6 meses, y luego al año. Resultados. Éxito técnico inicial en todos los casos. Se empleó la dosis total en 7 casos, y en el resto no se llegó a esta, con una media de 80mg. Se obtuvo una respuesta completa en el 29,41% de los pacientes, una respuesta parcial en el 35,29%, estabilización de la enfermedad en el 23,52% y progresión de la enfermedad en el 11,76%; con una respuesta objetiva de 64,7%. Hemos recogido 2 casos de absceso/necrosis, una colecistitis isquémica y ningún fallecimiento ni fallo hepático relacionado con el procedimiento. Conclusiones. La TACE con microesferas precargadas de adriamicina (DC Bead(R)) es un procedimiento seguro y efectivo, dada la baja tasa de complicaciones, buena tolerancia de los pacientes y aumento de la tasa de respuesta tumoral (AU)


Objectives. To present our experience in the use of microspheres preloaded with adriamycin (DC Bead(R)) in the transcatheter arterial chemoembolization (TACE) of hepatocellular carcinoma, in a two-year prospective multidisciplinary study in consecutive patients to evaluate the efficacy, safety, and tolerance of this procedure. Material and methods. From May 2007 to January 2010, we performed 30 TACE procedures in 17 patients (3 women and 14 men; mean age, 68 years; age range, 56–85 years). We performed a mean of 1.76 procedures per patient using the precision TACE protocol. Outcomes were evaluated using the RECIST-EASL criteria by clinical, laboratory, CT, and MRI follow-up at 1, 3, 6, and 12 months. Results. The procedure was considered an initial technical success in all cases. The total dose was delivered in seven cases; in the remaining cases, the total dose was not reached (mean dose, 80mg). An objective response was observed in 64.7% of patients: a complete response was observed in 29.41% and a partial response in 35.29%. Disease was stabilized in 23.52% and progressed in 11.76%. We observed two cases of abscess/necrosis and one of ischemic cholecystitis. There were no deaths or cases of liver failure related with the procedure. Conclusions. TACE using microspheres preloaded with adriamycin (DC Beads(R)) is safe and effective, given the low rate of complications, good tolerance in patients, and increased tumor response (AU)


Asunto(s)
Humanos , Masculino , Femenino , Persona de Mediana Edad , Quimioembolización Terapéutica/métodos , Quimioembolización Terapéutica , Carcinoma Hepatocelular/complicaciones , Carcinoma Hepatocelular/diagnóstico , Doxorrubicina/uso terapéutico , Angiografía , Quimioembolización Terapéutica/tendencias , Carcinoma Hepatocelular/tratamiento farmacológico , Imagen por Resonancia Magnética Intervencional/instrumentación , Imagen por Resonancia Magnética Intervencional/métodos , Estudios Prospectivos , Protocolos Clínicos
13.
Radiologia ; 52(5): 425-31, 2010.
Artículo en Español | MEDLINE | ID: mdl-20673581

RESUMEN

OBJECTIVES: To present our experience in the use of microspheres preloaded with adriamycin (DC Bead(®)) in the transcatheter arterial chemoembolization (TACE) of hepatocellular carcinoma, in a two-year prospective multidisciplinary study in consecutive patients to evaluate the efficacy, safety, and tolerance of this procedure. MATERIAL AND METHODS: From May 2007 to January 2010, we performed 30 TACE procedures in 17 patients (3 women and 14 men; mean age, 68 years; age range, 56-85 years). We performed a mean of 1.76 procedures per patient using the precision TACE protocol. Outcomes were evaluated using the RECIST-EASL criteria by clinical, laboratory, CT, and MRI follow-up at 1, 3, 6, and 12 months. RESULTS: The procedure was considered an initial technical success in all cases. The total dose was delivered in seven cases; in the remaining cases, the total dose was not reached (mean dose, 80mg). An objective response was observed in 64.7% of patients: a complete response was observed in 29.41% and a partial response in 35.29%. Disease was stabilized in 23.52% and progressed in 11.76%. We observed two cases of abscess/necrosis and one of ischemic cholecystitis. There were no deaths or cases of liver failure related with the procedure. CONCLUSIONS: TACE using microspheres preloaded with adriamycin (DC Beads®) is safe and effective, given the low rate of complications, good tolerance in patients, and increased tumor response.


Asunto(s)
Carcinoma Hepatocelular/terapia , Quimioembolización Terapéutica/métodos , Neoplasias Hepáticas/terapia , Anciano , Anciano de 80 o más Años , Arterias , Carcinoma Hepatocelular/irrigación sanguínea , Cateterismo , Femenino , Hospitales Generales , Humanos , Neoplasias Hepáticas/irrigación sanguínea , Masculino , Persona de Mediana Edad , Estudios Prospectivos , Factores de Tiempo
14.
Radiología (Madr., Ed. impr.) ; 51(6): 559-567, nov.-dic. 2009. ilus, tab
Artículo en Español | IBECS | ID: ibc-75265

RESUMEN

Objetivo: Presentar nuestra experiencia en el manejo de la litiasis biliar mediante la técnica de expulsión de cálculos al duodeno con dilatación de la papila con catéter-balón, en un estudio prospectivo y a largo plazo. Material y métodos: Se estudiaron 365 pacientes (173 varones y 192 mujeres), con una media de edad de 75 años (rango: 26–98 años), con litiasis única (n=213 ) y múltiple (n=152) . Litiasis residual en 102 casos (acceso por tubo en T) y 263 casos de litiasis nativa (acceso percutáneo transhepático o transcístico ). La técnica habitual ha sido la dilatación de la papila y posterior expulsión de cálculos al duodeno con balón oclusivo, complementándola con fragmentación mecánica en 48 ocasiones. Se ha dejado un drenaje biliar externo entre 2 y 8 días. Resultados: Éxito técnico inicial del 91,5%, incrementándose al 94,3% tras un segundo intento. Ha habido 16 fallos técnicos, la mayoría por excesivo tamaño del cálculo. Los casos de litiasis residual se han resuelto en un 99%, y un 91% en el grupo de litiasis nativa. Se han recogido 23 complicaciones mayores, con 6 casos de empeoramiento del estado clínico y fallecimiento (mortalidad a 30 días del 1,6%). Conclusiones: La evacuación percutánea de los cálculos biliares al duodeno empleando un catéter de angioplastia y balón oclusivo es un método eficaz, seguro y no traumático que mantiene la anatomía e integridad funcional del esfínter. Es una alternativa viable en las manos expertas de un radiólogo intervencionista (AU)


Objective: This article describes our experience in the percutaneous technique of expelling bile duct calculi into the duodenum by dilating the papilla with a balloon catheter. Material and methods: We prospectively studied 365 patients (173 men, 192 women; mean age, 75 years; range 26–98) with bile duct calculi (single = 213, multiple = 152). In 102 cases, residual stones were percutaneously expelled into the duodenum via an indwelling T-tube; in 263 cases, primary (non-residual) stones were expelled from the hepatic or cystic duct through the common bile duct into the duodenum. The technique consisted of dilating the papilla with an angioplasty catheter and expelling the stone into the duodenum with an occlusion balloon; prior mechanical fragmentation was performed in only 48 cases. Percutaneous biliary drainage to the exterior was maintained for 2 to 8 days. Results: The procedure was successful on the first attempt in 91.5% of cases and in 94.3% after the second attempt. The procedure failed in 16 cases, mainly due to the large size of the calculi. Residual lithiasis was resolved in 99% of cases and primary (non-residual) lithiasis was resolved in 91%. There were 23 major complications including 6 cases with poor clinical outcome and death (mortality at 30 days was 1.6%). Conclusions: Percutaneous anterograde evacuation of bile duct stones by dilating the papilla with an angioplasty catheter and expelling the stones with an occlusion balloon is effective, nontraumatic, and safe; this procedure maintains the anatomic and functional integrity of the sphincter. When performed by an experienced interventional radiologist, it is a viable alternative to choledochotomy (AU)


Asunto(s)
Humanos , Masculino , Femenino , Adulto , Persona de Mediana Edad , Anciano , Anciano de 80 o más Años , Colelitiasis , Cálculos Biliares , Radiografía Intervencional/métodos , Estudios Prospectivos , Cateterismo
15.
Radiologia ; 51(6): 559-67, 2009.
Artículo en Español | MEDLINE | ID: mdl-19733869

RESUMEN

OBJECTIVE: This article describes our experience in the percutaneous technique of expelling bile duct calculi into the duodenum by dilating the papilla with a balloon catheter. MATERIAL AND METHODS: We prospectively studied 365 patients (173 men, 192 women; mean age, 75 years; range 26-98) with bile duct calculi (single=213, multiple=152). In 102 cases, residual stones were percutaneously expelled into the duodenum via an indwelling T-tube; in 263 cases, primary (non-residual) stones were expelled from the hepatic or cystic duct through the common bile duct into the duodenum. The technique consisted of dilating the papilla with an angioplasty catheter and expelling the stone into the duodenum with an occlusion balloon; prior mechanical fragmentation was performed in only 48 cases. Percutaneous biliary drainage to the exterior was maintained for 2 to 8 days. RESULTS: The procedure was successful on the first attempt in 91.5% of cases and in 94.3% after the second attempt. The procedure failed in 16 cases, mainly due to the large size of the calculi. Residual lithiasis was resolved in 99% of cases and primary (non-residual) lithiasis was resolved in 91%. There were 23 major complications including 6 cases with poor clinical outcome and death (mortality at 30 days was 1.6%). CONCLUSIONS: Percutaneous anterograde evacuation of bile duct stones by dilating the papilla with an angioplasty catheter and expelling the stones with an occlusion balloon is effective, nontraumatic, and safe; this procedure maintains the anatomic and functional integrity of the sphincter. When performed by an experienced interventional radiologist, it is a viable alternative to choledochotomy.


Asunto(s)
Cateterismo , Cálculos Biliares/terapia , Radiografía Intervencional , Adulto , Anciano , Anciano de 80 o más Años , Femenino , Cálculos Biliares/diagnóstico por imagen , Humanos , Masculino , Persona de Mediana Edad , Estudios Prospectivos
16.
J Epidemiol Community Health ; 62(4): 314-7, 2008 Apr.
Artículo en Inglés | MEDLINE | ID: mdl-18339823

RESUMEN

Mexico established national health weeks (NHWs) in the early 1980s to promote childhood vaccinations. Because of the cumulative worldwide peer-reviewed scientific evidence, the recommendations of the World Health Organization and other international organisations, the political will of the Mexican government and the infrastructure provided by the NHWs, deworming was added to the NHWs in 1993. In addition to the Ministry of Health, several other government organisations participated in administering the deworming component. Tens of millions of school-age and preschool children between the ages of 2 years and 14 years now receive deworming (a single 400 mg dose of albendazole) approximately every 8 months. Between 1993 and 1998 evaluations were carried out in over 90,000 children to determine the effect of NHWs on the prevalence of geohelminth infections. In 1993, the overall prevalence of Ascaris was 20% and that of Trichuris was 15%. Prevalences decreased significantly over time (p <0.001). Treatment efficacy for Ascaris ranged from 91.6% to 85.3%, and for Trichuris, from 97.9% to 42.6%. In 1998, after conducting 12 NHWs with deworming, the respective prevalences were Ascaris 8% and Trichuris 11%. The experience of Mexico in integrating albendazole into its NHWs shows how deworming can be delivered to large numbers of at-risk children using an existing infrastructure. The NHW approach may be generalisable in other countries with successful national vaccination campaigns. The challenge remaining is to sustain the deworming programme until other longer-term behavioural, environmental and socioeconomic changes can be implemented.


Asunto(s)
Albendazol/administración & dosificación , Antihelmínticos/administración & dosificación , Ascariasis/prevención & control , Parasitosis Intestinales/prevención & control , Tricuriasis/prevención & control , Adolescente , Distribución por Edad , Niño , Preescolar , Atención a la Salud/organización & administración , Esquema de Medicación , Femenino , Promoción de la Salud/organización & administración , Humanos , Masculino , México
17.
Rev. esp. investig. quir ; 11(1): 14-16, ene.-mar. 2008. tab
Artículo en Español | IBECS | ID: ibc-75714

RESUMEN

INTRODUCCIÓN. La antigüedad de la aterosclerosis se ha establecido por estudios en momias egipcias,. La aterosclerosis obliteranteesta causada por estreches u obstrucción arteriosclerótica de arterias de mayor y mediano tamaño que irrigan lasextremidades. Los síntomas y signos dependen del grado de estenosis de la arteria. OBJETIVO. Determinar los principales factoresde riesgo de los pacientes de nuestra muestra y evaluar en que estadios de la enfermedad se obtienen los mejores resultadospost operatorios y comparar los resultados a largo plazo. MATERIAL Y MÉTODO. Se realizo un estudio retrospectivo en elHospital “Manuel Ascunce Doménech” desde Enero 1999 hasta Abril 2006. La muestra estuvo constituida por 27 pacientesintervenidos quirúrgicamente por lesiones estenoclusivas del sector femoropoplíteas y fueron evaluados a los 7años. Los datosfueron recogidos de las historias clínicas y del interrogatorio y examen del paciente. Estos datos fueron vertidos en unaencuesta, antecedentes patológicos personales, factores de riesgo: HTA, diabetes mellitus, habito de fumar, la edad y la hiperviscosidadsanguínea. RESULTADOS. Del total de casos, 21 eran masculinos y solo 6 eran femeninas. La edad promedio fue de63.54 año, El habito de fumar el 100% de nuestros pacientes eran fumadores, el 63.5% eran hipertensos, y un 54.2% teníanhiperviscosidad y un 14% eran diabéticos. A los 7 años en el estadio IIb la permeabilidad es del 60%, La permeabilidada los 7 años según la técnica quirúrgica empleada con el by pass con safena in situ fue la permeabilidad del 77.3% con 11casos, mientras con la safena invertida fue de23.1% con 3 casos. CONCLUSIONES. El hábito de fumar, la hipertensión arterialy la hiperviscosidad sanguínea fueron los principales factores de riesgo en nuestra serie, la mejor permeabilidad a largo plazose logro con la técnica de safena “in situ” (AU)


INTRODUCTION. The antiquity of the atherosclerosis has settled down by Egyptian studies in momias. The obliterants atherosclerosisthis caused by you narrow or atherosclerotic obstruction of arteries of greater and medium size than irrigates theextremities. The symptoms and signs depend on the stenosis degree of the artery. OBJECTIVE. To determine the main factorsof risk of the patients of our sample and of evaluating in which stages of the disease obtain the best operating results postand of comparing the results in the long term. MATERIAL AND METHOD. I am made a retrospective study in the Hospital “Manuel Ascunce Doménech ” from January 1999 to April 2006. The sample was constituted by 27 patients taken part surgicallyby femoropoplíteal stenoclusives injuries of the sector and were evaluated to the 7años. The data were gathered of clinicalhistories and the interrogation and examination of the patient. These data were spilled in a personal survey, pathologicalantecedents, factors of risk: HTA, diabetes mellitus, I live to smoke, the age and sanguineous hyperviscosity. Results: Ofthe total of cases, 21 was masculine and single 6 were feminine. The age average was of 63,54 year, I live to smoke 100% ofour patients were smokers, 63,5% were hypertense, and a 54,2% had hyperviscosity and a 14% were diabetic. To the 7 yearsin the IIb stage the permeability is of 60%, the permeability to the 7 years according to the surgical technique used with bypass with safena vein in situ was the permeability of 77,3% with 11 cases, while with the inverted safena vein it was of 23,1%with 3 cases. Conclusions: The habit to smoke, the arterial hypertension and sanguineous hyperviscosity were the main factorsof risk in our series, the best long term permeability profit with the vein bypass technique “in situ ” (AU)


Asunto(s)
Humanos , Anastomosis Quirúrgica/métodos , Arteriopatías Oclusivas/cirugía , Arteria Poplítea/cirugía , Arteria Femoral/cirugía , Complicaciones Posoperatorias , Factores de Riesgo
18.
Rev Gastroenterol Mex ; 73(3): 139-43, 2008.
Artículo en Español | MEDLINE | ID: mdl-19671499

RESUMEN

BACKGROUND AND AIMS: Natural Orifice Translumenal Endoscopic Surgery (NOTES) is an experimental technique with potential advantages compared to laparoscopic surgery. Trans gastric peritoneoscopy (TP) is a NOTES technique. The aim of this study was to perform TP, to evaluate feasibility and technical limitations in a survival model. MATERIALS AND METHODS: The following procedures were performed in 4 anesthetized dogs using a single channel video gastroscope: Gastrotomy with needle-knife puncture followed with extension of the incision with a pull-type sphincterotome,pneumoperitoneum with the endoscope,peritoneoscopy and gastrorrhapy using hemoclips and endoloops. RESULTS: All the procedures were accomplished successfully with a mean duration of 80 minutes. Gastrotomy induced minor bleeding.Peritoneal cavity was accessed safely and peritoneoscopy was accomplished without incidents.Retroflexed maneuvers were mandatory to visualize upper abdomen and overinflation oftenly occurred. The closure of the gastric wall incision was successfully obtained. All the animals made an uncomplicated recovery after 7 days. CONCLUSIONS: TP is technically feasible and safe in a canine model. This study highlights several technical limitations and confirms the need for technological development.


Asunto(s)
Gastroscopía , Laparoscopía/métodos , Estómago/cirugía , Animales , Perros , Femenino , Proyectos Piloto
20.
Ansiedad estrés ; 12(2/3): 463-477, dic. 2006. tab
Artículo en Español | IBECS | ID: ibc-74898

RESUMEN

El presente estudio contrastó la estructura factorial de la escala TMMS-24 en una muestra de 148 policias locales de Canarias y su relación con variables de personalidad, estrategias de afrontameinto al estrés y síntomas psicopatológicos. Los resultados confirmarion las olución de tres factores denominados. Atención emocional. Claridad emocional y Reparación de las emociones. Todos ellos cngruentes con la solución original y con una consistencia interna adecuada. Los análisis correlacionales y diferenciales mosraron relaciones directas entre la inteligencia emocional y algunos rasgos de personalidad, estrategias adecuadas de afrontameitno al estrés y salud mental. Los resultados parecen coherentes con estudios previos que meusran que la ineligenci aemocional represneta un ppel relevante cuando el desempeño laboral implica una demanda emocional intensa. En cosnecuencia, puede favorecer el bienestar psicol´goico en poblaciones similares a la estudiada(AU)


The present sutyd confirmed the factor structure of TMMS-24 and its relation with personality, coping and psychopathology with a 148 city police officers form the Caary Islands. Results confirmed the threfactor structure labelled: Emotionla Attention, Emotinal Clariy and Emotional Repair. All of then were congruent with the original solution and had adequate internal consistency. The correlational and differntial analyses showed positive relationship between emotionla intelligence and personality traits, appropriate coping strategies and mental health. REsults appeared coherent with those of previous studies that showed that emotional intelligence plays a relevant role whenever labour perfomance implies an intese emotional demand. Consequently, it can improve psychological well-being in similar populations to that used in our study(AU)


Asunto(s)
Humanos , Masculino , Femenino , Adulto , Policia/estadística & datos numéricos , Policia , Personalidad/fisiología , Inventario de Personalidad/estadística & datos numéricos , Emociones/fisiología , Emociones/efectos de la radiación , Inteligencia/fisiología , Pruebas de Inteligencia/estadística & datos numéricos , Estrés Fisiológico/epidemiología , Estrés Fisiológico/psicología , Análisis Factorial , Inventario de Personalidad/normas , Psicopatología/métodos , Psicopatología/estadística & datos numéricos , Agotamiento Profesional/complicaciones , Agotamiento Profesional/psicología , Salud Mental/estadística & datos numéricos
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