Your browser doesn't support javascript.
loading
Mostrar: 20 | 50 | 100
Resultados 1 - 20 de 25
Filtrar
5.
Cell Death Dis ; 4: e606, 2013 Apr 25.
Artigo em Inglês | MEDLINE | ID: mdl-23618904

RESUMO

Prolonged seizures (status epilepticus, SE) can cause neuronal death within brain regions such as the hippocampus. This may contribute to impairments in cognitive functioning and trigger or exacerbate epilepsy. Seizure-induced neuronal death is mediated, at least in part, by apoptosis-associated signaling pathways. Indeed, mice lacking certain members of the potently proapoptotic BH3-only subfamily of Bcl-2 proteins are protected against hippocampal damage caused by status epilepticus. The recently identified BH3-only protein Bcl-2-modifying factor (Bmf) normally interacts with the cytoskeleton, but upon certain cellular stresses, such as loss of extracellular matrix adhesion or energy crisis, Bmf relocalizes to mitochondria, where it can promote Bax activation and mitochondrial dysfunction. Although Bmf has been widely reported in the hematopoietic system to exert a proapoptotic effect, no studies have been undertaken in models of neurological disorders. To examine whether Bmf is important for seizure-induced neuronal death, we studied Bmf induction after prolonged seizures induced by intra-amygdala kainic acid (KA) in mice, and examined the effect of Bmf-deficiency on seizures and damage caused by SE. Seizures triggered an early (1-8 h) transcriptional activation and accumulation of Bax in the cell death-susceptible hippocampal CA3 subfield. Bmf mRNA was biphasically upregulated beginning at 1 h after SE and returning to normal by 8 h, while again being found elevated in the hippocampus of epileptic mice. Bmf upregulation was prevented by Compound C, an inhibitor of adenosine monophosphate-activated protein kinase, indicating Bmf expression may be induced in response to bioenergetic stress. Bmf-deficient mice showed normal sensitivity to the convulsant effects of KA, but, surprisingly, displayed significantly more neuronal death in the hippocampal CA1 and CA3 subfields after SE. These are the first studies investigating Bmf in a model of neurologic injury, and suggest that Bmf may protect neurons against seizure-induced neuronal death in vivo.


Assuntos
Proteínas Quinases Ativadas por AMP/metabolismo , Proteínas Adaptadoras de Transdução de Sinal/metabolismo , Apoptose , Hipocampo/fisiopatologia , Estado Epiléptico/metabolismo , Proteínas Quinases Ativadas por AMP/antagonistas & inibidores , Proteínas Adaptadoras de Transdução de Sinal/deficiência , Proteínas Adaptadoras de Transdução de Sinal/genética , Animais , Hipocampo/metabolismo , Ácido Caínico/toxicidade , Masculino , Camundongos , Camundongos Endogâmicos C57BL , Mitocôndrias/metabolismo , Pirazóis/farmacologia , Pirimidinas/farmacologia , RNA Mensageiro/metabolismo , Transdução de Sinais , Estado Epiléptico/induzido quimicamente , Estado Epiléptico/patologia , Fatores de Tempo , Regulação para Cima/efeitos dos fármacos , Proteína X Associada a bcl-2/genética , Proteína X Associada a bcl-2/metabolismo
6.
Acta Clin Belg ; 67(3): 214-6, 2012.
Artigo em Inglês | MEDLINE | ID: mdl-22897071

RESUMO

This case report describes a case of hyperthyroidism as manifestation of an embryonal carcinoma, and illustrates the causes that led to it. The case describes a 33-year-old male patient who complained of chest pain, palpitations, mild dyspnoea, and weight loss. Blood analysis reveals high levels of human chorionic gonadotropin (833818 mlU/ml), T3 (16.90 pg/ml), and T4 (7.77 ng/dl), as well as a fall of TSH (0.01 ulU/ml). Physical examination and imaging procedures confirm the occurrence of a left testicular tumour associated with numerous lung, hepatic and retroperitoneal metastases. Treatment with carbimazol and propanolol is established to manage hyperthyroidism, and an urgent orchiectomy is performed; the histologic diagnosis confirms an embryonal carcinoma (organoid type), but the patient died unexpectedly 24 hours later after having suffered sudden dyspnoea, tachypnoea, and tachyarrhythmia. Hyperthyroidism is a rare manifestation of a testicular tumour that should be borne in mind with regard to the patient's symptomatology and HCG levels.


Assuntos
Carcinoma Embrionário/diagnóstico , Hipertireoidismo/etiologia , Neoplasias Testiculares/diagnóstico , Adulto , Gonadotropina Coriônica/sangue , Humanos , Masculino
7.
Actas Dermosifiliogr ; 103(1): 29-35, 2012 Jan.
Artigo em Inglês | MEDLINE | ID: mdl-22445562

RESUMO

BACKGROUND AND OBJECTIVES: Fournier gangrene is a urological emergency associated with a high mortality. It is a necrotizing fasciitis caused by polymicrobial infection originating in the anorectal or genitourinary area. The aim of this study was to analyze the epidemiological and clinical characteristics of Fournier gangrene along with the variables that influence disease course and mortality in patients treated in our department. MATERIAL AND METHODS: We carried out a retrospective study of 37 patients diagnosed with Fournier gangrene between January 2001 and October 2010. RESULTS: All the patients were men, 43.2% had diabetes, and the mean age of the patients was 57.68 years. Statistically significant differences were observed between the age of surviving patients and that of patients who died (55.8 and 69.6 years, respectively). The mean hospital stay was 27.54 days and 32.4% of patients required admission to the intensive care unit. Etiology was unknown in 39.8% of cases. Polymicrobial infection was observed in 59.5% of cases. The mean health care cost associated with a patient diagnosed with Fournier gangrene admitted to intensive care and requiring at least 1 procedure in the operating room was €25,108.67. Mortality was 13.5%. Based on analysis of individual comorbid conditions, only ischemic heart disease displayed a statistically significant association with mortality due to Fournier gangrene; ischemic heart disease was also associated with longer hospital stay. CONCLUSIONS: Fournier gangrene is associated with high mortality despite appropriate early treatment. Although the condition is infrequent, the high associated health care costs suggest that primary and secondary prevention measures should be implemented.


Assuntos
Gangrena de Fournier/epidemiologia , Custos de Cuidados de Saúde/estatística & dados numéricos , Idoso , Alcoolismo/epidemiologia , Antibacterianos/economia , Antibacterianos/uso terapêutico , Terapia Combinada , Comorbidade , Desbridamento/economia , Desbridamento/estatística & dados numéricos , Complicações do Diabetes/economia , Complicações do Diabetes/epidemiologia , Emergências , Gangrena de Fournier/tratamento farmacológico , Gangrena de Fournier/economia , Gangrena de Fournier/mortalidade , Gangrena de Fournier/cirurgia , Humanos , Tempo de Internação/economia , Masculino , Pessoa de Meia-Idade , Isquemia Miocárdica/epidemiologia , Procedimentos de Cirurgia Plástica/economia , Procedimentos de Cirurgia Plástica/estatística & dados numéricos , Estudos Retrospectivos , Espanha/epidemiologia
8.
Rev. int. androl. (Internet) ; 10(1): 37-40, ene.-mar. 2012.
Artigo em Espanhol | IBECS | ID: ibc-100440

RESUMO

El priapismo es una afección patológica que consiste en una erección peneana persistente más allá de la estimulación sexual. Presentamos el caso de un paciente de 80 años, diagnosticado inicialmente, por la historia clínica, valores gasométricos de los cuerpos cavernosos y ultrasonografía Doppler color peneana, de priapismo de bajo flujo. Durante la realización de la técnica de Winter se produce iatrogénicamente la laceración bilateral de las arterias dorsales, originando una fístula arterio-lacunar y, en consecuencia, un priapismo de alto flujo. Se realizó una arteriografía selectiva de la pudenda al no ser concluyente la eco-Doppler color, que puso de manifiesto dicha fístula y permitió la embolización supraselectiva bilateral con microcoils (AU)


Priapism is a pathological condition which is a persistent penile erection beyond sexual stimulation. We report a patient of 80 years, initially diagnosed by medical history, blood gas values of the corpora cavernosa and penile color Doppler ultrasound of low-flow priapism. During the performance of the technique of Winter occurs iatrogenically bilateral laceration of the dorsal arteries, causing arterial-lacunar fistula and therefore a high-flow priapism. We performed selective arteriography of the pudendal, not being eco-color Doppler conclusively that showed that fistula and allowed superselective bilateral embolization microcoils (AU)


Assuntos
Humanos , Masculino , Idoso de 80 Anos ou mais , Priapismo/diagnóstico , Priapismo/cirurgia , Embolização Terapêutica/métodos , Embolização Terapêutica , Angiografia/métodos , Angiografia , Ecocardiografia Doppler , Priapismo/fisiopatologia , Priapismo , Embolização Terapêutica/instrumentação , Angiografia/tendências
9.
Actas dermo-sifiliogr. (Ed. impr.) ; 103(1): 29-35, ene.-feb. 2012.
Artigo em Espanhol | IBECS | ID: ibc-101173

RESUMO

Introducción: La gangrena de Fournier es una urgencia urológica definida como una fascitis necrotizante, con una alta mortalidad, resultado de una infección polimicrobiana que se origina en la región anorrectal y/o genitourinaria. El objetivo de este estudio es analizar las características epidemiológicas y clínicas, así como las variables que han influido en la evolución y mortalidad de los pacientes tratados en nuestro Servicio. Material y métodos: El estudio analiza retrospectivamente 37 pacientes diagnosticados de gangrena de Fournier en el periodo de tiempo comprendido entre enero del 2001 a octubre de 2010. Resultados: Todos los pacientes son hombres, con una edad media de 57, 68 años, existiendo diferencias estadísticas en la edad de los fallecidos respecto a los que sobreviven, 69,6 años frente a 55,8 años. El 43,2% eran diabéticos. La estancia media hospitalaria fue de 27,54 días. El 32,4% precisó de ingreso en la UCI. En el 39,8% se desconoce su etiología. La infección fue polimicrobiana en el 59,5% de los casos. El coste sanitario medio de un paciente diagnosticado de gangrena de Fournier que ingresa en la Unidad de Cuidados Intensivos (UCI) y requiere de al menos una cura en quirófano es de 25.108,67 euros. La mortalidad fue del 13,5%. Al estratificar las patologías estudiadas de forma independiente se observa que sólo la cardiopatía isquémica se relacionó de forma significativa con la mortalidad y una mayor estancia hospitalaria. Conclusión: La gangrena de Fournier es una patología con una alta mortalidad, a pesar de un tratamiento adecuado precoz. Es una patología con una baja incidencia, pero supone un coste elevado para el sistema sanitario, por lo que serían necesarias medidas de prevención primaria y secundaria (AU)


Background and objectives: Fournier gangrene is a urological emergency associated with a high mortality. It is a necrotizing fasciitis caused by polymicrobial infection originating in the anorectal or genitourinary area. The aim of this study was to analyze the epidemiological and clinical characteristics of Fournier gangrene along with the variables that influence disease course and mortality in patients treated in our department. Material and methods: We carried out a retrospective study of 37 patients diagnosed with Fournier gangrene between January 2001 and October 2010. Results: All of the patients were men, 43.2% had diabetes, and the mean age of the patients was 57.68 years. Statistically significant differences were observed between the age of surviving patients and that of patients who died (55.8 and 69.6 years, respectively). The mean hospital stay was 27.54 days and 32.4% of patients required admission to the intensive care unit. Etiology was unknown in 39.8% of cases. Polymicrobial infection was observed in 59.5% of cases. The mean health care cost associated with a patient diagnosed with Fournier gangrene admitted to intensive care and requiring at least 1 procedure in the operating room was €25 108.67. Mortality was 13.5%. Based on analysis of individual comorbid conditions, only ischemic heart disease displayed a statistically significant association with mortality due to Fournier gangrene; ischemic heart disease was also associated with longer hospital stay. Conclusions: Fournier gangrene is associated with high mortality despite appropriate early treatment. Although the condition is infrequent, the high associated health care costs suggest that primary and secondary prevention measures should be implemented (AU)


Assuntos
Humanos , Masculino , Adulto , Pessoa de Meia-Idade , Gangrena de Fournier/diagnóstico , Gangrena de Fournier/epidemiologia , Gangrena de Fournier/fisiopatologia , Complicações do Diabetes/epidemiologia , Isquemia Miocárdica/complicações , Prevenção Primária/métodos , Fasciite Necrosante/diagnóstico , Fasciite Necrosante/patologia , Hospitalização/economia , Estudos Retrospectivos , Cuidados Críticos/economia , /economia
10.
Actas Dermosifiliogr ; 103(1): 29-35, 2012.
Artigo em Espanhol | MEDLINE | ID: mdl-21683318

RESUMO

BACKGROUND AND OBJECTIVES: Fournier gangrene is a urological emergency associated with a high mortality. It is a necrotizing fasciitis caused by polymicrobial infection originating in the anorectal or genitourinary area. The aim of this study was to analyze the epidemiological and clinical characteristics of Fournier gangrene along with the variables that influence disease course and mortality in patients treated in our department. MATERIAL AND METHODS: We carried out a retrospective study of 37 patients diagnosed with Fournier gangrene between January 2001 and October 2010. RESULTS: All of the patients were men, 43.2% had diabetes, and the mean age of the patients was 57.68 years. Statistically significant differences were observed between the age of surviving patients and that of patients who died (55.8 and 69.6 years, respectively). The mean hospital stay was 27.54 days and 32.4% of patients required admission to the intensive care unit. Etiology was unknown in 39.8% of cases. Polymicrobial infection was observed in 59.5% of cases. The mean health care cost associated with a patient diagnosed with Fournier gangrene admitted to intensive care and requiring at least 1 procedure in the operating room was €25,108.67. Mortality was 13.5%. Based on analysis of individual comorbid conditions, only ischemic heart disease displayed a statistically significant association with mortality due to Fournier gangrene; ischemic heart disease was also associated with longer hospital stay. CONCLUSIONS: Fournier gangrene is associated with high mortality despite appropriate early treatment. Although the condition is infrequent, the high associated health care costs suggest that primary and secondary prevention measures should be implemented.


Assuntos
Gangrena de Fournier , Gangrena de Fournier/diagnóstico , Gangrena de Fournier/economia , Gangrena de Fournier/epidemiologia , Gangrena de Fournier/terapia , Custos de Cuidados de Saúde , Humanos , Masculino , Pessoa de Meia-Idade , Estudos Retrospectivos
11.
Rev. chil. urol ; 77(1): 51-56, 2012. ilus
Artigo em Espanhol | LILACS | ID: lil-783390

RESUMO

El priapismo es una afección patológica que consiste en una erección peneana persistente más allá de la estimulación sexual. Presentamos el caso de un paciente de 80 años, diagnosticado inicialmente, por la historia clínica, valores gasométricos de los cuerpos cavernosos y ultrasonografía doppler color peneana, de priapismo de bajo flujo que durante la realización de la técnica de Winter se produce iatrogénicamente la laceración bilateral de las arterias dorsales, originando una fístula arteriolacunar y en consecuencia un priapismo de alto flujo. Se realizó arteriografía selectiva de la pudenda, al no ser la eco-doppler color concluyente, que puso de manifiesto dicha fístula y permitió la embolización supraselectiva con microcoils...


Priapism is a pathology consisting of prolonged penile erection unrelated to sexual stimulation. We present an 80-year-old patient with relevant clinical history; corpora cavernosa blood gas analysis and penile Doppler ultrasound examination confirmed low-flow priapism. The Winter procedure was performed, which provoked iatrogenic laceration of the dorsal artery, leading to an arterio-lacunar fistula and high-flow priapism. A second Doppler ultrasound was inconclusive, and so a selective angiography was performed to observe the pudendal artery, following which selective embolization with microcoils was carried out...


Assuntos
Humanos , Masculino , Idoso de 80 Anos ou mais , Embolização Terapêutica , Doença Iatrogênica , Fístula Arteriovenosa , Priapismo/etiologia , Priapismo/terapia , Artérias/lesões , Lacerações
12.
Rev. chil. urol ; 77(1): 47-50, 2012. ilus
Artigo em Espanhol | LILACS | ID: lil-783389

RESUMO

Se presenta una rara complicación pos operatoria, la formación de pseu dodivertículo uretral, que se produce después de una prostatectomía radical laparoscópica con preservación de nervios, procedimiento llevado a cabo con la colocación de Hem-o-lok sobre los pedículos látero-prostáticos, en un paciente con cáncer de próstata clínicamente localizado. Por tanto, estos dispositivos deben utilizarse con precaución en la región de la anastomosis vesicouretral...


We present a rare postoperative complication, pseudodiverticulum urethral formation, occurring after a laparoscopic radical prostatectomy with nerve-sparing procedure carried out with the placement of Hem-o-lok c in the latero-prostatic pedicles, in a patient with clinically localized prostate cancer. As such, these devices should be used with caution in the region of the vesicourethral anastomosis...


Assuntos
Humanos , Masculino , Idoso , Instrumentos Cirúrgicos/efeitos adversos , Laparoscopia/métodos , Neoplasias da Próstata/cirurgia , Prostatectomia/métodos , Complicações Pós-Operatórias , Laparoscopia/instrumentação , Prostatectomia/instrumentação
20.
Actas Urol Esp ; 31(5): 469-76, 2007 May.
Artigo em Espanhol | MEDLINE | ID: mdl-17711164

RESUMO

INTRODUCTION: The bladder cancer is an important disease by its morbi-mortality and its multifactorialidad. At the moment, between the possible aetiology agents that they have been indicated is the infection by the virus of papilloma human (VPH). The objective study is to analyse, by meta-analysis, the relationship between bladder cancer and infection by human papillomavirus. MATERIAL AND METHODS: We made a search in the electronic data base MEDLINE of the articles published until September of the 2004 that relate the infection of the VPH to the bladder tumors. Of 414 listed articles, we selected 38 articles. RESULTS: The articles were classified in two groups, according to they use or non methods based on the detection of the DNA. In articles based on the detection of the DNA, it was that the global proportion from the cases that had contact with the virus, through the detection of the genome was of the 19.4% (95% CI 0.160 to 0.228). Of the total of studies based on the detection of the DNA 8 were selected, to show to a group defined control, in which, the OR was investigated. If we combined the ORs, we obtain an OR estimation of 3.2 (95% CI 1.19 to 8.60) and p = 0.02. CONCLUSIONS: Most of these studies showed the relation rose at the beginning of the study. Although the majority lacked a group defined control, is possible to analyze the value of the Odds global ratio due to the homogenous behaviour of the studies with defined cases and controls affluent. This demonstrated to association between VPH and the bladder cancer.


Assuntos
Carcinoma de Células Escamosas/virologia , Carcinoma de Células de Transição/virologia , Infecções por Papillomavirus/complicações , Neoplasias da Bexiga Urinária/virologia , Humanos , Infecções por Papillomavirus/epidemiologia
SELEÇÃO DE REFERÊNCIAS
DETALHE DA PESQUISA
...