Your browser doesn't support javascript.
loading
Mostrar: 20 | 50 | 100
Resultados 1 - 20 de 69
Filtrar
Más filtros

Intervalo de año de publicación
1.
Rev Gastroenterol Peru ; 43(4): 373-377, 2023.
Artículo en Español | MEDLINE | ID: mdl-38228305

RESUMEN

Portal cholangiopathy refers to cholangiographic abnormalities occurring in patients with portal cavernomatosis, being progressive, presenting with symptomatic biliary disease and severe biliary tract abnormalities. And, it represents an infrequent complication of portal hypertension. We describe the case of a 53-year-old man with a long history of non-cirrhotic portal hypertension and portal cavernomatosis, who presented an episode of symptomatic obstructive biliary disease, and studies documented fibrotic tissue of ascending periportal extension with extrinsic compression of the distal common bile duct and dilatation of the extra and intrahepatic biliary tract. Therefore, endoscopic retrograde cholangiopancreatography was performed, and palliative treatment with small papillotomy and placement of a plastic biliary endoprosthesis was successful due to the absence of procedural complications, and clinical improvement and biochemical parameters. Finally, the patient was discharged with indication of priority follow-up for periodic replacement of biliary stents, and evaluation by hepatology. Portal cholangiopathy is a rare entity that should be suspected in subjects with portal hypertension of non-cirrhotic origin, with imaging findings of stenosis, angulations or segmental dilatations, its treatment should be individualized, and endoscopic therapy is of choice in symptomatic biliary disease.


Asunto(s)
Sistema Biliar , Hipertensión Portal , Masculino , Humanos , Persona de Mediana Edad , Vena Porta , Hipertensión Portal/complicaciones , Colangiopancreatografia Retrógrada Endoscópica , Colangiografía
2.
Sensors (Basel) ; 22(3)2022 Feb 08.
Artículo en Inglés | MEDLINE | ID: mdl-35162025

RESUMEN

Video tracking involves detecting previously designated objects of interest within a sequence of image frames. It can be applied in robotics, unmanned vehicles, and automation, among other fields of interest. Video tracking is still regarded as an open problem due to a number of obstacles that still need to be overcome, including the need for high precision and real-time results, as well as portability and low-power demands. This work presents the design, implementation and assessment of a low-power embedded system based on an SoC-FPGA platform and the honeybee search algorithm (HSA) for real-time video tracking. HSA is a meta-heuristic that combines evolutionary computing and swarm intelligence techniques. Our findings demonstrated that the combination of SoC-FPGA and HSA reduced the consumption of computational resources, allowing real-time multiprocessing without a reduction in precision, and with the advantage of lower power consumption, which enabled portability. A starker difference was observed when measuring the power consumption. The proposed SoC-FPGA system consumed about 5 Watts, whereas the CPU-GPU system required more than 200 Watts. A general recommendation obtained from this research is to use SoC-FPGA over CPU-GPU to work with meta-heuristics in computer vision applications when an embedded solution is required.


Asunto(s)
Algoritmos , Programas Informáticos , Animales , Abejas
3.
Int J Environ Health Res ; 31(7): 872-888, 2021 Nov.
Artículo en Inglés | MEDLINE | ID: mdl-31835907

RESUMEN

Dengue is a major public health concern mainly in tropical and subtropical environments worldwide. Despite several attempts to prevent this disease occurring in tropical regions of Mexico, it has not yet been controlled. This work focused on spatial modeling of confirmed dengue fever cases that occurred during the period 2010-2014 in the Huasteca Potosina region of Mexico. Multivariable Logistic Regression Modeling (MLRM) was used to determine the relationship between explanatory variables and the presence/absence of dengue. Model performance was evaluated using the area under curve (AUC) of the relative operating characteristic (ROC); AUC > 0.95. A high spatial resolution map was created to reveal the most probable patterns of dengue risk. Our results can be used for targeted control and prevention programs at local and regional levels. This methodology can be applied to other major diseases that are spatially distributed in accordance with environmental factors.


Asunto(s)
Dengue/epidemiología , Modelos Logísticos , Altitud , Humanos , Incidencia , México/epidemiología , Densidad de Población , Riesgo , Tiempo (Meteorología)
4.
Toxicol Appl Pharmacol ; 376: 58-69, 2019 08 01.
Artículo en Inglés | MEDLINE | ID: mdl-31078588

RESUMEN

Marine metal pollution is an emerging concern for human, animal, and ecosystem health. We considered metal pollution in the Sea of Cortez, which is a relatively isolated sea rich in biodiversity. Here there are potentially significant anthropogenic inputs of pollution from agriculture and metal mining. We considered the levels of 23 heavy metals and selenium in seven distinct cetacean species found in the area. Our efforts considered two different periods of time: 1999 and 2016/17. We considered the metal levels in relation to (1) all species together across years, (2) differences between suborders Odontoceti and Mysticeti, (3) each species individually across years, and (4) gender differences for each of these comparisons. We further compared metal levels found in sperm whale skin samples collected during these voyages to a previous voyage in 1999, to assess changes in metal levels over a longer timescale. The metals Mg, Fe, Al, and Zn were found at the highest concentrations across all species and all years. For sperm whales, we observed decreased metal levels from 1999 to 2016/2017, except for iron (Fe), nickel (Ni), and chromium (Cr), which either increased or did not change during this time period. These results indicate a recent change in the metal input to the Sea of Cortez, which may indicate a decreased concern for human, animal, and ecosystem health for some metals, but raises concern for the genotoxic metals Cr and Ni. This work was supported by NIEHS grant ES016893 (J.P.W.) and numerous donors to the Wise Laboratory.


Asunto(s)
Cetáceos/metabolismo , Salud Ambiental/métodos , Metales Pesados/análisis , Contaminación Química del Agua/análisis , Animales , Balaenoptera/metabolismo , Femenino , Yubarta/metabolismo , Masculino , Metales Pesados/toxicidad , Océano Pacífico , Selenio/análisis , Selenio/toxicidad , Factores Sexuales , Piel/química , Especificidad de la Especie , Cachalote/metabolismo , Factores de Tiempo , Contaminantes Químicos del Agua , Contaminación Química del Agua/efectos adversos , Calderón/metabolismo
5.
Rev Esp Enferm Dig ; 108(4): 228-30, 2016 Apr.
Artículo en Inglés | MEDLINE | ID: mdl-26181050

RESUMEN

Gilbert's syndrome is a benign condition characterized by asymptomatic sporadic episodes of jaundice, due to a mild unconjugated hyperbilirubinemia caused by a deficiency in bilirubin glucoronidation. Under certain physiologic or pathologic events bilirubin level rises but according to literature it does not reach out more than 3 mg/dl. We report 2 cases of Gilbert's syndrome, genetically tested, which presented with bilirubin levels above 6 mg/dl without any trigger or coexisting condition. In conclusion, bilirubin levels higher than 6 mg/dL in Gilbert syndrome are rare, hemolytic and other metabolism diseases must be ruled out, and genetic testing may be necessary in some cases.


Asunto(s)
Bilirrubina/sangre , Enfermedad de Gilbert/sangre , Enfermedad de Gilbert/diagnóstico , Hiperbilirrubinemia/sangre , Hiperbilirrubinemia/diagnóstico , Adolescente , Pruebas Genéticas , Enfermedad de Gilbert/genética , Humanos , Hiperbilirrubinemia/genética , Masculino , Adulto Joven
6.
Gac Med Mex ; 150(2): 144-53, 2014.
Artículo en Español | MEDLINE | ID: mdl-24603995

RESUMEN

OBJECTIVES: The aim of the present study was to establish correlations between the dimensions of clinical learning environments (ACA) considering variables like: health institutions, hospital offices, specialty, and year of residency. METHODS: 4,189 doctors were evaluated through an online survey in 2012. RESULTS: The results revealed that the dimension of "educational processes" correlated best with others; specialties with the best ACA from the view of the medical residents were Internal Medicine and Surgery; and the third year residents had less favorable perceptions of their ACA. CONCLUSIONS: The pursuance of the academic program is relevant to physicians in training and teachers play an important role in the educational process.


Asunto(s)
Educación Médica/métodos , Ambiente de Instituciones de Salud , Internado y Residencia/métodos , Análisis de Varianza , Recolección de Datos/métodos , Educación Médica/normas , Ambiente , Docentes Médicos/normas , Ambiente de Instituciones de Salud/normas , Humanos , Internado y Residencia/normas , Relaciones Interpersonales , Especialización
7.
ChemistryOpen ; : e202400052, 2024 Sep 09.
Artículo en Inglés | MEDLINE | ID: mdl-39246228

RESUMEN

The efficiency of a staged photocatalytic reactor prototype was evaluated on a semi-pilot scale with the removal of acetaminophen, for which anatase particles were synthesized by Sol-Gel and impregnated on rectangular plates of clay. X-ray diffraction and Energy Dispersive X-ray Fluorescence patterns show that the final composite is made up of Al2O3 (14 %), SiO2 (41 %), CaO (3 %) TiO2 (34 %), and Fe2O3 (7 %). The impregnation method favors the dispersion of Anatase on the surface of the adsorbent. TiO2-Anatase/Clay, classified as a macro-porous solid with H3-type hysteresis loops by N2 physisorption. Adsorption processes are improved when using TiO2-Anatase/Clay compared to using TiO2-Anatase. The external mass transfer has a greater influence on the removal rate. The dimensionless parameters of the Biot number indicate there are no limitations due to the diffusive effect on the interior of the particle. The evaluation of the kinetic data under the Langmuir-Hinshelwood equation shows a decrease in efficiency as the initial concentration increases. The acetaminophen molecule shows destabilization in the structure of the aromatic ring with a visible decrease in the signals of this functional group evaluated by High-Performance Liquid Chromatography and Raman Spectroscopy.

8.
Gac Med Mex ; 149(4): 394-405, 2013.
Artículo en Español | MEDLINE | ID: mdl-23999630

RESUMEN

INTRODUCTION: Clinical education is an essential component of medical training and takes place in relatively adequate learning environments. OBJECTIVE: Build and validate an instrument specific for the assessment of factors influencing a clinical learning environment. MATERIAL AND METHODS: A Likert-type questionnaire was designed and its content was validated, while statistical trials were applied to it to determine its psychometric properties. The instrument was refined and assessed twice (a pilot of 122 cases on October 2011 and the study of 4,189 PUEM residents on March 2012). It consists of 28 items, distributed in four dimensions: interpersonal relations (IR), teaching processes (TP), institutional culture (IC), and service dynamics (SD). RESULTS: Cronbach's α of the whole pilot questionnaire after item refinement and 4,189 case study was 0.94 and 0.96, respectively. The percentage of total variance explained by the first component was 48 and 46%, respectively. CONCLUSIONS: The reliability and validity of the whole questionnaire and by dimension was adjusted to assess clinical learning environments in Mexican contexts and allows ranking specialized medical departments.


Asunto(s)
Educación Médica , Medicina , Encuestas y Cuestionarios , Adulto , Femenino , Humanos , Masculino , Persona de Mediana Edad , Proyectos Piloto
9.
J Bras Nefrol ; 44(2): 285-290, 2022.
Artículo en Inglés, Portugués | MEDLINE | ID: mdl-33501927

RESUMEN

Rapidly progressive glomerulonephritis is a medical emergency, with mortality around 20%. It is characterized by crescent glomerulonephritis and progressive loss of kidney function, hematuria, and proteinuria. Its classification is given by immunofluorescence detection of antibodies against glomerular basement membrane (Anti-MBG), immunocomplexes, or pauci-immune pattern. Its etiology should be based on clinical findings, immunological profile, age, sex, and histopathological characteristics. We present a case of a 27-year-old woman with symptoms consistent with rapidly progressive glomerulonephritis and biopsy findings of a full-house kidney nephropathy, with an early fatal outcome. An association of low incidence, as it is a case with a full-house pattern, and an autoimmune profile for negative systemic lupus erythematosus makes this a rare case. ANCA-associated vasculitis with full-house kidney disease was diagnosed, an unusual condition with up to 3% presentation and few reports in the literature, highlighting the importance of its reporting and contribution to the literature.


Asunto(s)
Vasculitis Asociada a Anticuerpos Citoplasmáticos Antineutrófilos , Glomerulonefritis Membranoproliferativa , Glomerulonefritis , Adulto , Vasculitis Asociada a Anticuerpos Citoplasmáticos Antineutrófilos/complicaciones , Vasculitis Asociada a Anticuerpos Citoplasmáticos Antineutrófilos/diagnóstico , Anticuerpos Anticitoplasma de Neutrófilos , Femenino , Glomerulonefritis Membranoproliferativa/patología , Humanos , Riñón/patología
10.
Artículo en Inglés | MEDLINE | ID: mdl-36231290

RESUMEN

The outbreak of the new COVID-19 disease is a serious health problem that has affected a large part of the world population, especially older adults and people who suffer from a previous comorbidity. In this work, we proposed a classifier model that allows for deciding whether or not a patient might suffer from the COVID-19 disease, considering spatio-temporal variables, physical characteristics of the patients and the presence of previous diseases. We used XGBoost to maximize the likelihood function of the multivariate logistic regression model. The estimated and observed values of percentage occurrence of cases were very similar, and indicated that the proposed model was suitable to predict new cases (AUC = 0.75). The main results revealed that patients without comorbidities are less likely to be COVID-19 positive, unlike people with diabetes, obesity and pneumonia. The distribution function by age group showed that, during the first and second wave of COVID-19, young people aged ≤20 were the least affected by the pandemic, while the most affected were people between 20 and 40 years, followed by adults older than 40 years. In the case of the third and fourth wave, there was an increased risk for young individuals (under 20 years), while older adults over 40 years decreased their chances of infection. Estimates of positive COVID cases with both the XGBoost-LR model and the multivariate logistic regression model were used to create maps to visualize the spatial distribution of positive cases across the country. Spatial analysis was carried out to determine, through the data, the main geographical areas where a greater number of positive cases occurred. The results showed that the areas most affected by COVID-19 were in the central and northern regions of Mexico.


Asunto(s)
COVID-19 , Adolescente , Anciano , COVID-19/epidemiología , Comorbilidad , Humanos , Modelos Logísticos , México/epidemiología , Pandemias
11.
Rev Invest Clin ; 63 Suppl 1: 73-8, 2011 Sep.
Artículo en Español | MEDLINE | ID: mdl-22916615

RESUMEN

BACKGROUND: Liver transplantation is the only curative alternative for patients with end stage liver disease or acute liver failure. AIM: To report the experience of a single transplant center in Mexico. MATERIAL AND METHODS: Fifty-five transplants in 54 adult patients were analyzed between 1999 and 2011 in a single private institution. All grafts were obtained from deceased donor. Surgical technique, donor and recipient demographics, complications, causes of death and overall survival are described. Results were expressed as range and percentages. A Kaplan-Meier survival curve was done to analyze patient and graft survival. RESULTS: Main cause of cirrhosis was hepatitis C virus infection followed by alcohol intake. A 16% of patients developed biliary complications without graft loss, and vascular complications were observed in 15%. Patient survival at one and five years was 83% and 76%, respectively. CONCLUSIONS: Complication rates and survival in our center are comparable to those in the United States and Europe.


Asunto(s)
Trasplante de Hígado/estadística & datos numéricos , Adolescente , Adulto , Hospitales , Humanos , Trasplante de Hígado/efectos adversos , México , Persona de Mediana Edad , Complicaciones Posoperatorias/epidemiología , Complicaciones Posoperatorias/etiología , Estudios Retrospectivos , Adulto Joven
12.
Materials (Basel) ; 14(3)2021 Jan 27.
Artículo en Inglés | MEDLINE | ID: mdl-33513685

RESUMEN

As the use of photovoltaic installations becomes extensive, it is necessary to look for recycling processes that mitigate the environmental impact of damaged or end-of-life photovoltaic panels. There is no single path for recycling silicon panels, some works focus on recovering the reusable silicon wafers, others recover the silicon and metals contained in the panel. In the last few years, silicon solar cells are thinner, and it becomes more difficult to separate them from the glass, so the trend is towards the recovery of silicon. In this paper, we investigate the experimental conditions to delaminate and recovery silicon in the recycling process, using a combination of mechanical, thermal, and chemical methods. The conditions of thermal treatment to remove the ethylene-vinyl acetate (EVA) layer were optimized to 30 min at 650 °C in the furnace. To separate silicon and metals, the composition of HF/HNO3 solution and the immersion time were adjusted considering environmental aspects and cost. Under the selected conditions, panels from different manufacturers were tested, obtaining similar yields of recovered silicon but differences in the metal concentrations.

13.
Int J Med Robot ; 16(2): e2060, 2020 Apr.
Artículo en Inglés | MEDLINE | ID: mdl-31760679

RESUMEN

BACKGROUND: Preoperative assessment to find the safest trajectory in keyhole neurosurgery can reduce post operative complications. METHODS: We introduced a novel preoperative risk assessment semiautomated methodology based on the sum of N maximum risk values using a generic genetic algorithm for the safest trajectory search. RESULTS: A set of candidates trajectories were found for two surgical procedures. The trajectories search is done using a risk map considering the proximity of voxels within risk structures in multiple points and a genetic algorithm to avoid an exhaustive search. The trajectories were validated by a group of neurosurgeons. CONCLUSIONS: The trajectories obtained with the proposal method were shorter in 5% and have greater distance from the voxels within the blood vessels in 4.7%. The use of genetic algorithm (GA) speeds up the search for the safest trajectory, decreasing in 99.9% the time required for an exhaustive search.


Asunto(s)
Procedimientos Neuroquirúrgicos/métodos , Medición de Riesgo/métodos , Procedimientos Quirúrgicos Robotizados/métodos , Algoritmos , Encéfalo/diagnóstico por imagen , Humanos , Imagenología Tridimensional , Imagen por Resonancia Magnética , Reconocimiento de Normas Patrones Automatizadas , Complicaciones Posoperatorias , Programas Informáticos , Cirugía Asistida por Computador/métodos
14.
Rev. colomb. cir ; 39(4): 621-626, Julio 5, 2024. fig
Artículo en Español | LILACS | ID: biblio-1566024

RESUMEN

Introducción. La isquemia mesentérica crónica es una entidad infrecuente, con una prevalencia de 0,03 %, donde más del 90 % son debidas a enfermedad arterioesclerótica que compromete principalmente la arteria mesentérica superior. Sus síntomas son dolor abdominal crónico y pérdida de peso, asociado a alteraciones imagenológicas que hacen el diagnóstico. El tratamiento depende de las condiciones clínicas del paciente y el número de vasos comprometidos. Es claro que la enfermedad multivaso sintomática requiere revascularización. Caso clínico. Mujer de 67 años, fumadora activa con antecedentes de hipertensión arterial y dislipidemia, con cuadro de crisis hipertensiva tipo urgencia que requirió manejo en Unidad de Cuidados Intensivos. Se hizo diagnóstico de aneurisma toracoabdominal Crawford IV, oclusión aorto-ilíaca (TASC D) y oclusión crónica del tronco celíaco y la arteria mesentérica superior. Por los síntomas de isquemia mesentérica crónica fue llevada a tratamiento quirúrgico con baipás aorto-bifemoral más baipás retrógrado a la arteria mesentérica superior por vía abierta. Resultado. La paciente tuvo mejoría de la sintomatología y aumentó 13 % del peso al seguimiento a los 3 meses. Conclusión. La isquemia mesentérica crónica es una condición subdiagnosticada, marcador de riesgo cardiovascular, con alta carga de morbilidad y mortalidad, en la cual, con una identificación temprana se puede ofrecer una terapia de revascularización, sea por vía endovascular o abierta, con el fin de mejorar la calidad de vida y la ganancia de peso, y evitar la necrosis intestinal.


Introduction. Chronic mesenteric ischemia is a rare entity, with a prevalence of 0.03%, where more than 90% are due to arteriosclerotic disease that mainly affects the superior mesenteric artery. Its symptoms are chronic abdominal pain and weight loss, associated with imaging alterations that make the diagnosis. Treatment depends on the patient's clinical conditions and the number of vessels involved. It is clear that symptomatic multivessel disease requires revascularization. Clinical case. A 67-year-old woman, an active smoker with a history of high blood pressure and dyslipidemia, presented with an emergency-type hypertensive crisis that required management in the Intensive Care Unit. A diagnosis of Crawford IV thoracoabdominal aneurysm, aorto-iliac occlusion (TASC D), and chronic occlusion of the celiac trunk and superior mesenteric artery was made. Due to the symptoms of chronic mesenteric ischemia, she underwent surgical treatment with aorto-bifemoral bypass plus retrograde bypass to the superior mesenteric artery via an open approach. Result. The patient had improvement in symptoms and gained 13% weight at 3-month follow-up. Conclusion. Chronic mesenteric ischemia is an underdiagnosed condition, a marker of cardiovascular risk, with a high burden of morbidity and mortality, in which, with early identification, revascularization therapy can be offered, either endovascularly or open, in order to improve quality of life and weight gain, and avoiding intestinal necrosis.


Asunto(s)
Humanos , Arteria Mesentérica Superior , Isquemia Mesentérica , Aneurisma de la Aorta , Desnutrición , Enfermedad Arterial Periférica , Laparotomía
15.
Clin Spine Surg ; 32(4): E188-E192, 2019 05.
Artículo en Inglés | MEDLINE | ID: mdl-30969193

RESUMEN

STUDY DESIGN: Retrospective survey review. OBJECTIVE: We seek to evaluate satisfaction scores in patients seen in neurosurgical spine versus neurosurgical nonspine clinics. SUMMARY OF BACKGROUND DATA: The Press Ganey survey is a well-established metric for measuring hospital performance and patient satisfaction. These measures have important implications in setting hospital policy and guiding interventions to improve patient perceptions of care. METHODS: Retrospective Press Ganey survey review was performed to identify patient demographics and patient visit characteristics from January 1st, 2012 to October 10th, 2017 at Stanford Medical Center. A total of 40 questions from the Press Ganey survey were investigated and grouped in categories addressing physician and nursing care, personal concerns, admission, room, meal, operating room, treatment and discharge conditions, visitor accommodations and overall clinic assessment. Raw ordinal scores were converted to continuous scores of 100 for unpaired student t test analysis. We identified 578 neurosurgical spine clinic patients and 1048 neurosurgical nonspine clinic patients. RESULTS: Spine clinic patients reported lower satisfaction scores in aggregate (88.2 vs. 90.1; P=0.0014), physician (89.5 vs. 92.6; P=0.0002) and nurse care (91.3 vs. 93.4; P=0.0038), personal concerns (88.2 vs. 90.9; P=0.0009), room (81.0 vs. 83.1; P=0.0164), admission (90.8 vs. 92.6; P=0.0154) and visitor conditions (87.0 vs. 89.2; P=0.0148), and overall clinic assessment (92.9 vs. 95.5; P=0.005). CONCLUSIONS: This study is the first to evaluate the relationship between neurosurgical spine versus nonspine clinic with regards to patient satisfaction. The spine clinic cohort reported less satisfaction than the nonspine cohort in all significant questions on the Press Ganey survey. Our findings suggest that efforts should be made to further study and improve patient satisfaction in spine clinics. LEVEL OF EVIDENCE: Level III.


Asunto(s)
Neurocirugia , Satisfacción del Paciente , Columna Vertebral/cirugía , Adulto , Femenino , Humanos , Masculino , Persona de Mediana Edad
16.
BJR Case Rep ; 5(3): 20190005, 2019 Sep.
Artículo en Inglés | MEDLINE | ID: mdl-31555475

RESUMEN

Hepatic artery thrombosis is the most frequent vascular complication following orthotopic liver transplantation, and often results in biliary complications, early graft loss and death. Surgical revascularization and retransplantation are considered the mainstay of treatment. However, intraarterial endovascular therapy is an alternative that has shown low morbidity and mortality, thereby avoiding the need for retransplantation. We describe a case of orthotopic liver transplantation complicated with hepatic artery thrombosis that was successfully treated with endovascular therapy.

17.
Rev. gastroenterol. Perú ; 43(4)oct. 2023.
Artículo en Español | LILACS-Express | LILACS | ID: biblio-1536368

RESUMEN

La colangiopatía portal hace referencia a anomalías colangiográficas que se producen en pacientes con cavernomatosis portal, siendo progresiva, cursando con enfermedad biliar sintomática y anomalías graves de las vías biliares. Y, representa una complicación infrecuente de la hipertensión portal. Se describe el caso de un hombre de 53 años, con historia de larga data de hipertensión portal nocirrótica y cavernomatosis portal, quien presentó un episodio de enfermedad biliar obstructiva sintomática, y en estudios se documentó tejido fibrótico de extensión periportal ascendente con compresión extrínseca del colédoco distal y dilatación de la vía biliar extra e intrahepática. Por lo que se procedió a colangiopancreatografía retrógrada endoscópica, realizándose tratamiento paliativo, con papilotomía pequeña y colocación de endoprótesis biliar plástica, siendo exitoso por ausencia de complicaciones procedimentales, y mejoría clínica y parámetros bioquímicos. Finalmente, recibiendo de alta con indicación de seguimiento prioritario para recambios periódicos de endoprótesis biliares, y valoración por hepatología. La colangiopatía portal es una entidad rara que debe sospecharse en sujetos con hipertensión portal de origen no-cirrótico, con hallazgos imagenológicos de estenosis, angulaciones o dilataciones segmentarias, su tratamiento debe ser individualizado, y la terapia endoscópica es de elección en enfermedad biliar sintomática.


Portal cholangiopathy refers to cholangiographic abnormalities occurring in patients with portal cavernomatosis, being progressive, presenting with symptomatic biliary disease and severe biliary tract abnormalities. And, it represents an infrequent complication of portal hypertension. We describe the case of a 53-year-old man with a long history of non-cirrhotic portal hypertension and portal cavernomatosis, who presented an episode of symptomatic obstructive biliary disease, and studies documented fibrotic tissue of ascending periportal extension with extrinsic compression of the distal common bile duct and dilatation of the extra and intrahepatic biliary tract. Therefore, endoscopic retrograde cholangiopancreatography was performed, and palliative treatment with small papillotomy and placement of a plastic biliary endoprosthesis was successful due to the absence of procedural complications, and clinical improvement and biochemical parameters. Finally, the patient was discharged with indication of priority follow-up for periodic replacement of biliary stents, and evaluation by hepatology. Portal cholangiopathy is a rare entity that should be suspected in subjects with portal hypertension of non-cirrhotic origin, with imaging findings of stenosis, angulations or segmental dilatations, its treatment should be individualized, and endoscopic therapy is of choice in symptomatic biliary disease.

18.
J. bras. nefrol ; 44(2): 285-290, June 2022. tab, graf
Artículo en Inglés | LILACS-Express | LILACS | ID: biblio-1386030

RESUMEN

Abstract Rapidly progressive glomerulonephritis is a medical emergency, with mortality around 20%. It is characterized by crescent glomerulonephritis and progressive loss of kidney function, hematuria, and proteinuria. Its classification is given by immunofluorescence detection of antibodies against glomerular basement membrane (Anti-MBG), immunocomplexes, or pauci-immune pattern. Its etiology should be based on clinical findings, immunological profile, age, sex, and histopathological characteristics. We present a case of a 27-year-old woman with symptoms consistent with rapidly progressive glomerulonephritis and biopsy findings of a full-house kidney nephropathy, with an early fatal outcome. An association of low incidence, as it is a case with a full-house pattern, and an autoimmune profile for negative systemic lupus erythematosus makes this a rare case. ANCA-associated vasculitis with full-house kidney disease was diagnosed, an unusual condition with up to 3% presentation and few reports in the literature, highlighting the importance of its reporting and contribution to the literature.


Resumo A glomerulonefrite rapidamente progressiva é uma emergência médica, com mortalidade em torno de 20%. É caracterizada por glomerulonefrite com crescentes e perda progressiva da função renal, hematúria e proteinúria. Sua classificação é dada pela detecção na imunofluorescência de anticorpos anti-membrana basal glomerular (Anti-MBG), imunocomplexos, ou padrão pauci-imune. Sua etiologia deve ser baseada em resultados clínicos, perfil imunológico, idade, sexo e características histopatológicas. Apresentamos o caso de uma mulher de 27 anos de idade com sintomas consistentes com uma glomerulonefrite rapidamente progressiva e achados de biópsia de uma nefropatia com padrão full-house que evoluiu com desfecho fatal precoce. A associação de um padrão full-house, que possui uma baixa incidência, com um perfil autoimune para lúpus eritematoso sistêmico negativo torna este um caso raro. Foi diagnosticado vasculite associada ao ANCA com doença renal com padrão full-house. Por se tratar de uma condição incomum com até 3% de apresentação e poucos registros na literatura, destacamos a importância de seu relato e sua contribuição para a literatura.

19.
Acta méd. peru ; 39(1): 73-78, ene.-mar. 2022. tab, graf
Artículo en Español | LILACS-Express | LILACS | ID: biblio-1383389

RESUMEN

RESUMEN El síndrome de Kartagener, el cual hace parte del subgrupo de las discinesias ciliares primarias predispone a infecciones respiratorias recurrentes del tracto respiratorio por Haemophilus influenzae, Staphylococcus aureus y Streptococcus pneumoniae. Se describe a continuación el caso de un paciente con diagnóstico de síndrome de Kartagener en quien se documentó colonización por Pseudomonas fluorescens y neumonía con empiema asociado por Actinomyces spp, una asociación poco frecuente en la literatura.


ABSTRACT Kartagener syndrome, which is part of the subgroup of the primary ciliary dyskinesias, predisposes to recurrent respiratory tract infections due to Haemophilus influenzae, Staphylococcus aureus and Streptococcus pneumoniae. The case of a patient with a diagnosis of Kartagener syndrome in whom colonization by Pseudomonas fluorescens and pneumonia complicated with empyema by Actinomyces spp is a rare association in the literature, which is described below.

20.
Acta méd. peru ; 39(1): 79-83, ene.-mar. 2022. tab, graf
Artículo en Español | LILACS-Express | LILACS | ID: biblio-1383390

RESUMEN

RESUMEN Raoultella Planticola es una bacteria que se ha descrito recientemente en la literatura como patógeno emergente de infecciones urinarias, abdominales y pulmonares. A continuación, se presenta el caso de un paciente de 63 años con antecedente de sobrepeso y dislipidemia hospitalizado en contexto de neumonía por SARS CoV2 quien presenta sobreinfección por R. Planticola y E. Aerogenes. Recibió manejo con Cefepime por 7 días con adecuada evolución clínica.


ABSTRACT Raoultella planticola is a bacterium that has been recently described in the literature as an emerging pathogen that causes urinary, abdominal, and lung infections. We present the case of a 63-year-old overweight and with dyslipidemia that was hospitalized because of a SARS-CoV-2 infection. He developed R. planticola and E. aerogenes superinfections. He was treated with cefepime for seven days, and he recovered uneventfully.

SELECCIÓN DE REFERENCIAS
DETALLE DE LA BÚSQUEDA