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1.
Gut ; 69(11): 1915-1924, 2020 11.
Artigo em Inglês | MEDLINE | ID: mdl-32816921

RESUMO

The COVID-19 pandemic has had a profound impact on provision of endoscopy services globally as staff and real estate were repurposed. As we begin to recover from the pandemic, a cohesive international approach is needed, and guidance on how to resume endoscopy services safely to avoid unintended harm from diagnostic delays. The aim of these guidelines is to provide consensus recommendations that clinicians can use to facilitate the swift and safe resumption of endoscopy services. An evidence-based literature review was carried out on the various strategies used globally to manage endoscopy during the COVID-19 pandemic and control infection. A modified Delphi process involving international endoscopy experts was used to agree on the consensus statements. A threshold of 80% agreement was used to establish consensus for each statement. 27 of 30 statements achieved consensus after two rounds of voting by 34 experts. The statements were categorised as pre-endoscopy, during endoscopy and postendoscopy addressing relevant areas of practice, such as screening, personal protective equipment, appropriate environments for endoscopy and infection control precautions, particularly in areas of high disease prevalence. Recommendations for testing of patients and for healthcare workers, appropriate locations of donning and doffing areas and social distancing measures before endoscopy are unique and not dealt with by any other guidelines. This international consensus using a modified Delphi method to produce a series of best practice recommendations to aid the safe resumption of endoscopy services globally in the era of COVID-19.


Assuntos
Infecções por Coronavirus/prevenção & controle , Infecção Hospitalar/prevenção & controle , Endoscopia do Sistema Digestório/estatística & dados numéricos , Saúde Ocupacional , Pandemias/prevenção & controle , Pneumonia Viral/prevenção & controle , Guias de Prática Clínica como Assunto , COVID-19 , Consenso , Infecções por Coronavirus/epidemiologia , Técnica Delphi , Endoscopia do Sistema Digestório/métodos , Feminino , Seguimentos , Humanos , Incidência , Internacionalidade , Masculino , Pandemias/estatística & dados numéricos , Segurança do Paciente , Pneumonia Viral/epidemiologia , Medição de Risco , Fatores de Tempo , Estados Unidos
2.
Rev. med. Rosario ; 80(2): 63-74, mayo-ago. 2014. ilus
Artigo em Espanhol | LILACS | ID: lil-725905

RESUMO

El cáncer colorrectal (CCR) es una de las principales causas de morbilidad y mortalidad a nivel mundial. Clásicamente se considera a los adenomas como las lesiones precursoras del CCR y se estipula un tiempo de 10 a 15 años para completar la secuencia adenoma-carcinoma. El CCR evoluciona a través de la acumulación progresiva de alteraciones genéticas y epigenéticas, las que conducen a la transformación de la mucosa colónica normal en cáncer invasivo. La identificación de diferentes vías moleculares de carcinogénesis colorrectal ha demostrado la naturaleza heterogénea del cáncer colónico. De reciente descripción, las lesiones aserradas muestran cambios moleculares y patológicos distintos a los adenomas tradicionales, estimándose que presentan un tiempo más acelerado de evolución hacia la malignidad. El objetivo de esta revisión es actualizar conocimientos sobre la génesis tumoral y sus bases biomoleculares a fin de posibilitar su aplicación a etapas clínicas concretas como la prevención y el tratamiento


Colorectal cancer (CRC) is one of the main causes of morbidity and mortality worldwide. Adenomas are classically regarded as precursor lesions of CRC and between 10 and 15 years is thought to elapse to complete the adenoma-carcinoma sequence. CRC evolves through the progressive accumulation of genetic and epigenetic alterations that lead to invasive cancer through the transformation of normal colonic mucosa. The identification of different molecular pathways of colorectal carcinogenesis has demonstrated the heterogeneous nature of colon cancer. Recent description of serrated lesions shows molecular and pathological changes other than traditional adenomas with an estimated faster time of progression to malignancy. The aim of this review is to update the knowledge about tumorigenesis and its biomolecular basis for clinical application in early stages providing firm ground for prevention and treatment


Assuntos
Humanos , Adulto , Colonoscopia , Epigênese Genética/genética , Genes Neoplásicos/genética , Lesões Pré-Cancerosas/patologia , Neoplasias Colorretais/patologia , Prevenção de Doenças , Diagnóstico/prevenção & controle , Fenótipo , Hereditariedade/genética , Instabilidade Cromossômica/genética , Instabilidade de Microssatélites , Literatura de Revisão como Assunto , Mucosa/anormalidades , Metilação de DNA
3.
Rev. med. Rosario ; 80(2): 63-74, mayo-ago. 2014. ilus
Artigo em Espanhol | BINACIS | ID: bin-131756

RESUMO

El cáncer colorrectal (CCR) es una de las principales causas de morbilidad y mortalidad a nivel mundial. Clásicamente se considera a los adenomas como las lesiones precursoras del CCR y se estipula un tiempo de 10 a 15 años para completar la secuencia adenoma-carcinoma. El CCR evoluciona a través de la acumulación progresiva de alteraciones genéticas y epigenéticas, las que conducen a la transformación de la mucosa colónica normal en cáncer invasivo. La identificación de diferentes vías moleculares de carcinogénesis colorrectal ha demostrado la naturaleza heterogénea del cáncer colónico.áDe reciente descripción, las lesiones aserradas muestran cambios moleculares y patológicos distintos a los adenomas tradicionales, estimándose que presentan un tiempo más acelerado de evolución hacia la malignidad. El objetivo de esta revisión es actualizar conocimientos sobre la génesis tumoral y sus bases biomoleculares a fin de posibilitar su aplicación a etapas clínicas concretas como la prevención y el tratamiento(AU)


Colorectal cancer (CRC) is one of the main causes of morbidity and mortality worldwide. Adenomas are classically regarded as precursor lesions of CRC and between 10 and 15 years is thought to elapse to complete the adenoma-carcinoma sequence. CRC evolves through the progressive accumulation of genetic and epigenetic alterations that lead to invasive cancer through the transformation of normal colonic mucosa. The identification of different molecular pathways of colorectal carcinogenesis has demonstrated the heterogeneous nature of colon cancer. Recent description of serrated lesions shows molecular and pathological changes other than traditional adenomas with an estimated faster time of progression to malignancy. The aim of this review is to update the knowledge about tumorigenesis and its biomolecular basis for clinical application in early stages providing firm ground for prevention and treatment (AU)


Assuntos
Humanos , Adulto , Neoplasias Colorretais/patologia , Lesões Pré-Cancerosas/patologia , Epigênese Genética/genética , Colonoscopia , Prevenção de Doenças , Genes Neoplásicos/genética , Literatura de Revisão como Assunto , Fenótipo , Diagnóstico/prevenção & controle , Mucosa/anormalidades , Metilação de DNA , Instabilidade de Microssatélites , Instabilidade Cromossômica/genética , Hereditariedade/genética
4.
Acta Gastroenterol Latinoam ; 42(1): 50-2, 2012 Mar.
Artigo em Espanhol | MEDLINE | ID: mdl-22616498

RESUMO

Intestinal metastases from lung cancer are exceptional and even more rare is their manifestation before the primary tumor. The clinical manifestation may require surgical resection because of intestinal perforation, hemorrhage, intestinal obstruction or partial blockage as in the case that we report. Survival in the few cases reported, is low and generally does not exceed 20 weeks, regardless of the treatment performed. We report the case of a jejuno-jejunal intussusception manifested by occlusive syndrome and gastrointestinal bleeding due to the metastasis of an adenosquamous lung carcinoma.


Assuntos
Carcinoma Adenoescamoso/secundário , Intussuscepção/etiologia , Neoplasias do Jejuno/secundário , Neoplasias Pulmonares/patologia , Carcinoma Adenoescamoso/complicações , Humanos , Intussuscepção/diagnóstico , Doenças do Jejuno/diagnóstico , Doenças do Jejuno/etiologia , Neoplasias do Jejuno/complicações , Masculino , Pessoa de Meia-Idade
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