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Introducción: Ante el aumento de las artroplastias de cadera en el último siglo, los defectos acetabulares graves son eventos cada vez más frecuentes. Su tratamiento representa un verdadero desafío, debido al déficit y la pobre calidad ósea, habitual en estos pacientes. materiales y métodos: Se presentan 6 pacientes tratados entre 2016 y 2021. Cinco casos de disrupción pélvica por revisiones fallidas, clasificadas como tipo IIIB de Paprosky y una fractura transversal de acetábulo, posible opción de tratamiento en casos de pacientes osteoporóticos. Resultados: Los pacientes tratados con esta técnica multidisciplinaria fueron controlados durante un promedio de 20 meses, ninguno presentó complicaciones posoperatorias. Los resultados valorados con escalas analógicas son prometedores e invitan a establecer este procedimiento como el patrón de referencia. Conclusiones: La evaluación estricta es necesaria en los defectos acetabulares. La inclusión de ingeniería informática médica permite estudiar la necesidad de usar injerto de banco, fabricar implantes a medida de titanio/tantalio trabecular multiporos, lo que es ideal para lograr la osteointegración, sumado a la posibilidad de planificar la dirección y la longitud de los tornillos al hueso remanente, según su calidad. La cementación de un cotilo de doble movilidad dentro del implante a medida disminuye el riesgo de luxación y de sobrecarga de este último, al eliminar la fricción metal-metal. Nivel de Evidencia: IIIB
Introduction: Given the increase in hip arthroplasties in the last century, serious acetabular defects are increasingly frequent events. Their treatment represents a real challenge, due to the bone deficit and poor bone quality that these patients usually present. Materials and Methods: Six patients treated between 2016 and 2021 are presented. Five cases of pelvic discontinuity due to failed revisions, classified as Paprosky type IIIB, and one transverse fracture of the acetabulum, a possible treatment option in cases of osteoporotic patients. Results: The patients treated with this multidisciplinary technique were followed up for an average of 20 months, and none of them presented postoperative complications. The results evaluated by analogous scales are promising and invite us to establish this procedure as the gold standard. Conclusions: Strict evaluation is necessary for acetabular defects. The inclusion of medical IT makes it possible to study the need to use bank grafting and to manufacture custom-made multiporous trabecular titanium/tantalum implants, which is ideal for achieving osseointegration, added to the possibility of planning the direction and length of the screws to the remaining bone, according to its quality. The cementation of a dual mobility cup inside the customized implant reduces the risk of dislocation and overload of the latter, by eliminating metal-metal friction. Level of Evidence: IIIB
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Reoperación , Falla de Prótesis , Artroplastia de Reemplazo de Cadera , Impresión Tridimensional , AcetábuloRESUMEN
OBJECTIVE: Comparative "real life" data on the effectiveness and safety of ceftolozane/tazobactam (C/T) versus other regimens (aminoglycosides/colistin/combination), in the treatment of multi-resistant (MDR) and extremely resistant (XDR) Pseudomonas aeruginosa (PA), are needed to establish positions. METHODS: Observational, retrospective study of patients with microbiological confirmation of MDR and XDR PA from July 2016 up to December 2018 in a tertiary hospital. Variables: age, sex, comorbidities, risk factors for multidrug resistance, variables related to infection, source of infection, microorganism and type of sample, antibiotic treatment, clinical cure, microbiological cure, recurrence, mortality on admission and 30 days post-discharge. Patients were classified according to received antibiotic treatment, C/T or aminoglycosides/colistin/combination. RESULTS: A total of 405 patients with PA MDR and XDR infection (73.1% men, mean age 63 ± 15 years) were studied. An 87.1% of PA XDR and a 12.9% MDR were observed. All patients received C/T as targeted therapy and in the aminoglycosides/colistin/combination group were 73.5%. Patients in the C/T group present worse prognostic factors: septic shock (30.0%) and catheterization (90.0%) (p<0.05). There were not statistically significant differences in microbiological cure (p=0.412), recurrence (p=0.880) and clinical cure (p=0.566). There were not statistically significant differences in mortality at admission (p=0.352) or at 30 days after discharge (p=0.231). A 17.2% of the patients with aminoglycosides/colistin/combination had acute kidney injury according to RIFLE criteria and 4.3% with C/T. CONCLUSIONS: The data obtained suggest that there have been no differences in effectiveness (clinical or microbiological cure) in favour of C/T, although, in the period studied, it was used in most cases in multitreated patients with a worse prognosis. Randomized and prospective studies would be needed to establish an adequate positioning.
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Infecciones por Pseudomonas , Pseudomonas aeruginosa , Cuidados Posteriores , Anciano , Aminoglicósidos/farmacología , Aminoglicósidos/uso terapéutico , Antibacterianos/farmacología , Antibacterianos/uso terapéutico , Cefalosporinas/farmacología , Cefalosporinas/uso terapéutico , Colistina/farmacología , Colistina/uso terapéutico , Farmacorresistencia Bacteriana Múltiple , Femenino , Humanos , Masculino , Pruebas de Sensibilidad Microbiana , Persona de Mediana Edad , Alta del Paciente , Estudios Prospectivos , Infecciones por Pseudomonas/tratamiento farmacológico , Estudios Retrospectivos , Tazobactam/farmacología , Tazobactam/uso terapéuticoRESUMEN
Thorium carbide to be tested as target material for the production of 225Ac with the ISOL method, was produced via carbothermal reduction of ThO2 nanoparticles by graphite and graphene oxide, respectively. The use of graphene oxide (GO) as carbon source resulted in a reduced reactivity compared to graphite, confirmed by the presence of unreacted ThO2 mainly in the core of the samples. The reacted ThO2 or ThC2-GO showed a faster reactivity in air, mainly observed as ThC2 amorphization. The specific surface area of the ThC2-GO samples was almost doubled compared to ThC2-graphite samples. The effect of these microstructural features was analysed in terms of thermal diffusivity and calculated thermal conductivity that were both reduced in ThC2-GO samples, however the difference with ThC2-graphite samples decreased at increasing temperature. The present study shows that the use of unreduced GO inhibits the solid-state reaction between ThO2 and C; on the other hand, the high reactivity of the ThC2 so produced is expected to be beneficial for the 225Ac production with the ISOL method, affording a high release efficiency. It is expected that the use of reduced GO could represent a good solution for highly efficient ThC2 targets.
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PURPOSE: To date, indications for distal femoral varus osteotomy (FVO) in cases of associated patellofemoral osteoarthritis (PFO) have yet to be clarified. The purpose of this prospective study is to assess the short-term symptoms, functional and radiological impact of a medial closing-wedge femoral varus osteotomy on the patellofemoral joint in patients with valgus deformities who are afflicted with lateral tibiofemoral osteoarthritis (LTFO) associated with PFO. METHODS: Fourteen patients (15 knees) received a medial closing-wedge femoral varus osteotomy. The functional impact of an FVO on the patellofemoral joint was assessed based on the KOOS-PF (Knee Injury and Osteoarthritis Outcome Score-Patellofemoral Subscale), the Kujala score and the patellofemoral symptoms. Realignment of the patella was measured by the Merchant's patellofemoral congruence angle. The pre- and post-operative symptoms and functional scores were compiled prospectively and compared two years after the surgery. RESULTS: The Kujala patellofemoral functional scores and the KOOS-PF showed considerable improvement with a differential of +37.5 points ± 20.4 and +42.7 points ± 19.3 (p < .01) respectively. The average Merchant's congruence angle went from 8.8° laterally to 3.6° medially, resulting in medialization of the patella, with a significant difference (p < .01). Based on the specific clinical analysis of the patellar joint, preoperative J-sign was identified in 26.7% of patients (n = 4) and was not found during postoperative examination (p = .1). Preoperative apprehension test was identified in 33.3% of patients (n = 5) against 13.3% (n = 2) after surgery (p = .39). Preoperative pain extension test was identified in 40% of patients (n = 6) against 20% during postoperative clinical analysis (p = .43). DISCUSSION: Although the threshold of significance for patellofemoral symptoms was not reached, the medial closing-wedge femoral varus osteotomy induces a significant medialization of the patella (Merchant's congruence angle) and improves short-term functional results even with co-existing patellofemoral osteoarthritis. Due to the lack of specificity of the patellofemoral scores, patellofemoral osteoarthritis improvement is difficult to determine on its own, but does not represent a contraindication to FVO. LEVEL OF EVIDENCE: III. Prospective clinical study.
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Osteoartritis de la Rodilla/cirugía , Osteotomía/métodos , Articulación Patelofemoral/cirugía , Adulto , Femenino , Fémur/diagnóstico por imagen , Fémur/cirugía , Estudios de Seguimiento , Genu Varum/diagnóstico por imagen , Genu Varum/cirugía , Humanos , Masculino , Persona de Mediana Edad , Osteoartritis de la Rodilla/diagnóstico por imagen , Articulación Patelofemoral/diagnóstico por imagen , Proyectos Piloto , Estudios Prospectivos , Resultado del TratamientoRESUMEN
The development of tailored targets for the production of radioactive isotopes represents an active field in nuclear research. Radioactive beams find applications in nuclear medicine, in astrophysics, matter physics and materials science. In this work, we study the use of graphene both as carbon source for UO2 carbothermal reduction to produce UCx targets, and also as functional properties booster. At fixed composition, the UCx target grain size, porosity and thermal conductivity represent the three main points that affect the target production efficiency. UCx was synthesized using both graphite and graphene as the source of carbon and the target properties in terms of composition, grain size, porosity, thermal diffusivity and thermal conductivity were studied. The main output of this work is related to the remarkable enhancement achieved in thermal conductivity, which can profitably improve thermal dissipation during operational stages of UCx targets.
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OBJECTIVES: Bejel, caused by Treponema pallidum subsp. endemicum (TEN), was until now considered as a non-venereal disease endemic in areas with hot and dry climates. This study has identified TEN in clinical samples from Cuban patients previously diagnosed with syphilis. METHODS: We performed sequencing-based molecular typing on 92 samples from Cuban individuals diagnosed with syphilis. Moreover, to differentiate T. pallidum subspecies, multi-locus sequence analysis (MLSA) was designed and was applied to suspicious samples. RESULTS: Nine samples, from six patients, had a nucleotide sequence similarity (at all typing loci) to the Bosnia A genome, which is the infectious agent of bejel. Additionally, MLSA clearly supported a TEN classification for the treponemal samples. Clinical and epidemiological data from the six patients also suggested sexual transmission of bejel as well as the endemicity of this rare treponematosis in Cuba. CONCLUSIONS: Molecular identification of Treponema pallidum subsp. endemicum, the agent of bejel, in Cuban patients diagnosed with syphilis indicates the clear limitations of a diagnosis based exclusively on serology, geographical occurrence, clinical symptoms and anamnestic data. This finding has important implications for Global Public Health Systems, including paradigm changes regarding the location of endemic outbreaks, clinical aspects and transmission of this neglected disease.
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Sífilis/epidemiología , Sífilis/microbiología , Treponema pallidum/genética , Adulto , Cuba/epidemiología , Femenino , Humanos , Masculino , Persona de Mediana Edad , Tipificación Molecular , Filogenia , Treponema pallidum/clasificación , Adulto JovenRESUMEN
Acute quadriceps tendon ruptures disrupt the continuity of the extensor mechanism and must be treated surgically. Tendon reattachment with suture anchors has recently been shown to be biomechanically superior to reattachment through transosseous tunnels. In this context, arthroscopy is an interesting alternative. It can limit postoperative wound healing and infectious complications, while ensuring functional outcomes that are equivalent to standard techniques. The goal of this technical note is to describe an original, reproducible method for arthroscopic reattachment of the quadriceps tendon with suture anchors. Four patients were operated using this technique in a pilot study. No wound healing, infectious complications or re-tears were observed. At 6 months' postoperative, the mean subjective IKDC score was 85.8/100.
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Artroscopía/métodos , Músculo Cuádriceps/lesiones , Anclas para Sutura , Traumatismos de los Tendones/cirugía , Adulto , Anciano , Artroscopía/instrumentación , Humanos , Persona de Mediana Edad , Proyectos Piloto , Rotura/cirugía , Técnicas de SuturaRESUMEN
Prolonged seizures and status epilepticus are common neurological medical emergencies. Early and appropriate treatment is essential to reduce morbidity and mortality. Most seizures occur in the community, so parents and caregivers must be prepared for their management. Benzodiazepines (BZD) are the first-line drugs used, with rectal diazepam (DZPr) being the most commonly used in pre-hospital treatment in Spain. In September 2011, the European Medicines Agency (EMA) authorized the use of oromucosal midazolam (MDZb) for the treatment of prolonged acute convulsive seizures in patients aged 3 months to <18 years. MDZb has a rapid onset, short duration of effect, and avoids first-pass hepatic metabolism. MDZb has shown to be at least as or more effective than DZPr to stop the seizures. Buccal administration is easier and more socially accepted, especially in adolescents and adults. It is a safe drug with similar effects to other BZD; MDZb improves the overall cost-effectiveness of seizures management.
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Benzodiazepinas/uso terapéutico , Convulsiones/tratamiento farmacológico , Estado Epiléptico/tratamiento farmacológico , Niño , Servicios de Salud Comunitaria , Humanos , Estado Epiléptico/fisiopatologíaRESUMEN
A novel scheme for the focusing of high-energy leptons in future linear colliders was proposed in 2001 [P. Raimondi and A. Seryi, Phys. Rev. Lett. 86, 3779 (2001)]. This scheme has many advantageous properties over previously studied focusing schemes, including being significantly shorter for a given energy and having a significantly better energy bandwidth. Experimental results from the ATF2 accelerator at KEK are presented that validate the operating principle of such a scheme by demonstrating the demagnification of a 1.3 GeV electron beam down to below 65 nm in height using an energy-scaled version of the compact focusing optics designed for the ILC collider.
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Las células madre mesenquimales de la pulpa dentaria han surgido como una herramienta promisoria en la medicina regenerativa. El objetivo de la presente investigación es establecer el cultivo de las células madre mesenquimales de la pulpa dentaria humana. Estas fueron aisladas de terceros molares retenidos de pacientes entre 15 y 24 años, con técnica de disgregación enzimática y cultivadas en medio DMEM-F12, suplementado con 15% de SFB , 100 ?M L-ácido ascórbico 2-fosfato, 2 mM L-glutamina, 100 U/mL de penicilina, 100 µg/mL de estreptomicina y 2 µg/mL de anfotericina B . Las células fueron observadas diariamente bajo microscopio. Pruebas inmunohistoquímicas mostraron en las poblaciones de células aisladas la existencia de células mesenquimales STRO-1+, marcador de células madre mesenquimales, también expresaron CD146+ y no expresaron CD45-, marcador de células hematopoyéticas. Las células aisladas mostraron capacidad de autorrenovación y eficiencia de formación de colonias. En el presente estudio, en las poblaciones de células aisladas se identificaron células con características de células madre mesenquimales, como su capacidad de adherirse a las placas plásticas en cultivo, formar colonias altamente proliferativas, su morfología fusiforme y la expresión consistente de marcadores de superficie que caracteriza células madre mesenquimales adultas de pulpa dentaria. Sin embargo, faltaría determinar su capacidad de diferenciación para cumplir con los criterios básicos para definirlas como células madre
Mesenchymal stem cells dental pulp-derived have emerged as a promising tool in regenerative medicine. The objective of the present investigation is to establish the culture of mesenchymal stem cells of dental pulp human. The dental pulp mesenchymal cells were isolated from impacted third molars of patients between 15-24 year-old. The dental pulp tissue was extracted, enzymatic digestion technique and culture in medium DMEM-F12, supplemented with 15% de SFB , 100 ?M L-ascorbic acid 2- phosphate, 2 mM L-glutamine, 100 U/mL de penicillin, 100 µg/mL de streptomycin y 2 µg/mL de amphotericin B. Cells were observed daily under microscope. Immunocytochemistry tests showed cells STRO-1+ mesenchymal stem cell marker. These cells also expressed CD146+ and no expressed CD45- hematopoietic stem cell marker. The isolated cells showed self-renewal capabilities and colony-forming efficiency. In this study, isolated cell populations were identified cells with mesenchymal stem cell characteristics, such as its ability to adhere to plastic culture plates, highly proliferative colony forming, fusiform morphology and consistent expression of surface markers characterized adult mesenchymal stem cells from dental pulp. However, missing differentiating their ability to meet the basic criteria to define them as stem cells
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Humanos , Masculino , Adolescente , Femenino , Adulto Joven , Separación Celular , Pulpa Dental , Diente Molar , Cultivo Primario de Células , Células Madre , OdontologíaAsunto(s)
Complicaciones de la Diabetes/microbiología , Infecciones Neumocócicas/complicaciones , Piomiositis/etiología , Streptococcus pneumoniae , Antibacterianos/uso terapéutico , Complicaciones de la Diabetes/cirugía , Drenaje , Humanos , Masculino , Persona de Mediana Edad , Músculo Esquelético/microbiología , Músculo Esquelético/patología , Infecciones Neumocócicas/microbiología , Infecciones Neumocócicas/cirugía , Piomiositis/microbiología , Piomiositis/cirugíaAsunto(s)
Embolización Terapéutica/métodos , Hemorragia/etiología , Hemorragia/terapia , Complicaciones Intraoperatorias/etiología , Complicaciones Intraoperatorias/terapia , Arteria Renal/diagnóstico por imagen , Arteria Renal/lesiones , Adolescente , Biopsia/efectos adversos , Femenino , Humanos , Riñón/patología , RadiografíaRESUMEN
We report on a case of isolated lesser trochanter fracture, without associated trauma, secondary to pulmonary adenocarcinoma metastasis. Treatment consisted in resection-reconstruction by megaprosthesis. This form of isolated fracture is rare, and results from infiltration of the trochanteric area by a malignant tumoral process, which is usually metastatic.
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Adenocarcinoma/secundario , Neoplasias Óseas/secundario , Fracturas de Cadera/diagnóstico , Fracturas de Cadera/etiología , Fracturas de Cadera/cirugía , Adenocarcinoma/terapia , Neoplasias Óseas/terapia , Terapia Combinada , Diagnóstico Diferencial , Prótesis de Cadera , Humanos , Imagen por Resonancia Magnética , Masculino , Persona de Mediana Edad , Tomografía Computarizada por Rayos XRESUMEN
Recent studies showed that some functions of decidual dendritic cells appear to be essential for pregnancy. In humans, decidual dendritic cells are identifiable by their expression of DC-SIGN. We compared the subpopulations of human decidual DC-SIGN+ cells from first-trimester normal pregnancies and spontaneous abortions by flow cytometry. In normal decidua, DC-SIGN+ cells expressed antigens associated with immature myeloid dendritic cells. In samples from spontaneous abortions, we detected decidual DC-SIGN+ cells with an antigen phenotype equivalent to that of DC-SIGN+ cells from normal pregnancies, but at a significantly lower proportion (P < 0.01). Our results support the hypothesis that dendritic cells play a role in normal or pathological human pregnancy outcomes.
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Aborto Espontáneo/fisiopatología , Moléculas de Adhesión Celular/metabolismo , Decidua/citología , Células Dendríticas/metabolismo , Lectinas Tipo C/metabolismo , Receptores de Superficie Celular/metabolismo , Aborto Espontáneo/inmunología , Adulto , Antígenos de Superficie/metabolismo , Recuento de Células , Decidua/inmunología , Decidua/metabolismo , Femenino , Citometría de Flujo , Humanos , Inmunofenotipificación , Leucocitos/metabolismo , Células Mieloides/metabolismo , Embarazo , Primer Trimestre del Embarazo , Adulto JovenRESUMEN
In order to investigate the effect of pregnancy on equine hematological profile, venous blood samples were taken from 44 Carthusian broodmares every two weeks during pregnancy, divided into three periods: I (conception to 110 days), II (111-220 days) and III (222 days to delivery). Routine hematological analysis was performed. Packed cell volume (PCV) increased in period II probably as a consequence of the climatic conditions or as a result of physical stress of lactation during period I. After that, a reduction in PCV was found but this was not matched with a similar decrease in total serum proteins. Platelets presented the same evolution as PCV. Neutrophils and eosinophils decreased in period II, probably because of increased hormone concentrations. In conclusion, pregnancy influences the hematological profile of the Carthusian broodmare and these reference values can aid the diagnosis of diseases during pregnancy.
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Caballos/sangre , Preñez , Animales , Proteínas Sanguíneas/fisiología , Recuento de Eritrocitos/veterinaria , Femenino , Hematócrito/veterinaria , Hemoglobinas/metabolismo , Caballos/metabolismo , Recuento de Linfocitos/veterinaria , Recuento de Plaquetas/veterinaria , Embarazo , Preñez/sangre , Preñez/fisiologíaRESUMEN
Human decidual stromal cells (DSC) have been shown to be involved in different immune functions that may be relevant for the relationship between the mother and fetus and hence for successful pregnancy. The expression of death ligands by fetal trophoblast and maternal decidual cells has been proposed as a mechanism for the establishment of materno-fetal immunotolerance. This study intended to elucidate the interrelations between DSC and lymphocytes. We analyzed the expression and function of death receptors and ligands in DSC maintained in culture. These DSC lines expressed CD95 and TNF-related apoptosis-inducing ligand receptor-2 (TRAIL-R2), although they were resistant to death receptor-mediated apoptosis. Regarding the expression of CD95L and TRAIL, it was variable among DSC lines although none of them induced apoptosis in death ligand-sensitive Jurkat T cells. Interestingly, most of the DSC lines, as well as fresh DSC, reduced apoptosis in Jurkat cells induced by anti-CD95 antibody and recombinant TRAIL. The protective effect of DSC was observed when they were co-cultured with Jurkat cells in Transwell plates, indicating that DSC may produce soluble factors of importance for lymphocyte survival. Moreover, the viability of peripheral blood lymphocytes and decidual lymphocytes was improved when co-cultured with DSC. Our results suggest that DSC, far from inducing apoptosis, may be relevant in the regulation of lymphocyte survival at the materno-fetal interface.
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Apoptosis/inmunología , Decidua/citología , Decidua/inmunología , Linfocitos/citología , Linfocitos/inmunología , Intercambio Materno-Fetal/inmunología , Células del Estroma/citología , Células del Estroma/inmunología , Apoptosis/efectos de los fármacos , Línea Celular , Supervivencia Celular/inmunología , Técnicas de Cocultivo , Doxorrubicina/farmacología , Proteína Ligando Fas/metabolismo , Femenino , Humanos , Tolerancia Inmunológica , Células Jurkat , Linfocitos/efectos de los fármacos , Embarazo , Receptores del Ligando Inductor de Apoptosis Relacionado con TNF/metabolismo , Ácido Valproico/farmacologíaRESUMEN
OBJECTIVE: To analyze epidemiological, clinical and laboratory data, renal survival curve and short-term (2 years) and long-term (5 years) prognostic factors in children with nephropathy secondary to Henoch-Schönlein purpura (HSP). MATERIALS AND METHODS: Retrospective analitic cohort study. Clinical records of 100 children diagnosed with HSP at H.I.U. La Fe from 1975-2006 were reviewed. Statistical analysis was by univariate and multivariate analysis. RESULTS: In 67% of cases, nephropathy coincided with onset of the disease and most commonly manifested hematuria with nonnephrotic proteinuria. 35% of patients were biopsied. The most common histology was mesangial proliferation (46%). Clinical stages at diagnosis were stage B: 63%, stage C: 33%; stage D: 4%. Mean follow-up was 5.25 +/- 0.76 years. Renal data at 5 years: Clinical stages: stage A: 49%, stage B: 27%, stage C: 0%, and stage D: 5%. Renal transplant: 5%. Renal survival curve (Kaplan-Meier) at 5 years: 95%. Prognostic factors: The univariate analysis showed that the prognostic factors of poor renal prognosis in both the short and long-term were age greater than 8 years, number of purpura relapses greater than 4 and presence of stage VI histology. The multivariate analysis showed that only the number of relapses was a short-term prognostic factor. CONCLUSION: 1) The clinical and laboratory data reviewed were similar to those reported in the literature. 2) The renal survival curve at 5 years was 95%. 3) Age, number of relapses and histology were prognostic factors. 4) The multivariate analysis showed that only the number of relapses was a short-term prognostic factor.
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Vasculitis por IgA/complicaciones , Enfermedades Renales/etiología , Adolescente , Niño , Preescolar , Estudios de Cohortes , Femenino , Humanos , Lactante , Enfermedades Renales/diagnóstico , Enfermedades Renales/epidemiología , Masculino , Pronóstico , Estudios RetrospectivosRESUMEN
Con el propósito de desarrollar un miniglosario español-inglés de términos de uso frecuente, se procedió a identificar la terminología médica de uso más común en los servicios pediátricos de cardiología, anestesiología, gastroenterología, neurología y psiquiatría. El material, organizado en forma alfabética, consta de 476 palabras en español y 487 equivalentes en inglés.
Aimed at developing a Spanish-English miniglossary of frequently used terms, the most common medical terminology used in the pediatric services of Cardiology, Anesthesiology, Gastroenterology, Neurology and Psychiatry, was idenitified. The material alphabetically organized includes 476 words in Spanish and 487 equivalents in English.