Results: 1197

Utilização da cromoendoscopia com azul de toluidina mais solução de Lugol para diagnóstico precoce de lesões pré-malignas esofágicas e neoplasias superficiais em pacientes de alto risco

Arq. gastroenterol; 56 (1), 2019
ABSTRACT BACKGROUND: Esophageal cancer is the eighth most common cancer. The prognosis is bleak in patients with advanced stages. Patients with early disease have a better prognosis than those with advanced stage. There are several techniques for the screening of premalignant and superficial lesions in...

Pregnancy of unknown location: the value of frozen section analysis and its relation to Beta-hCG levels and endometrial thickness

Abstract Objective Frozen section examination is a rapid method for identifying products of conception in endometrial curetting, yet its accuracy is inconclusive. The purposes of this study is to determine the accuracy of frozen section analysis of endometrial curetting in pregnancies of unknown locati...

Downregulation of lncrna uca1 as a diagnostic and prognostic biomarker for ovarian endometriosis

SUMMARY OBJECTIVE: Ovarian endometriosis seriously affects the quality of life of females, and long non-coding RNA lncRNA urothelial carcinoma-associated 1 (UCA1) plays pivotal roles in the pathogenesis of various ovarian diseases. However, the involvement of lncRNA UCA1 in ovarian endometriosis remains...

Rational use of diagnostic tests for clinical decision making

SUMMARY OBJECTIVE: To assist clinicians to make adequate interpretation of scientific evidence from studies that evaluate diagnostic tests in order to allow their rational use in clinical practice. METHODS: This is a narrative review focused on the main concepts, study designs, the adequate interpretat...

A comparison of nontreponemal tests in cerebrospinal fluid for neurosyphilis diagnosis: equivalent detection of specific antibodies

Arq. neuropsiquiatr; 77 (2), 2019
ABSTRACT Syphilis is a re-emerging sexually-transmitted infection, caused by the spirochete Treponema pallidum, that may penetrate early into the central nervous system. The venereal disease research laboratory test (VDRL) on the cerebrospinal fluid (CSF) is the most widely used for neurosyphilis diagnos...

Chest pain score: a novel and practical approach to angina pectoris. A diagnostic accuracy study

Säo Paulo med. j; 137 (1), 2019
ABSTRACT BACKGROUND: The chest pain classifications that are currently in use are based on studies that are several decades old. Various studies have indicated that these classifications are not sufficient for determining the origin of chest pain without additional diagnostic tests or tools. We describ...

Vitamin D deficiency is not associated with higher levels of syntax score

Abstract Objective: To evaluate the association between serum vitamin D (vitD) level and SYNTAX (synergy between percutaneous coronary intervention with taxus and cardiac surgery) score (SS). Methods: The medical records of consecutive patients, who underwent coronary artery bypass graft surgery, were ...

La concentración sérica de inmunoglobulina E y el diagnóstico de alergia: A 50 años de su descubrimiento y en el año de la muerte de Kimishige Ishizaka
The serum concentration of immunoglobulin E and the diagnosis of allergy. Fifty years after its discovery and in the year of the death of Kimishige Ishizaka

Medicina (B.Aires); 79 (1), 2019

Inmunofluorescencia indirecta versus reacción de polimerasa en cadena para el diagnóstico de virus respiratorios en niños ingresados en un hospital de la Región Metropolitana

Rev. chil. infectol; 36 (1), 2019
Resumen Introducción: La temprana detección viral en infecciones respiratorias agudas (IRA) es esencial para establecer una terapia apropiada y prevenir el contagio intrahospitalario. Objetivo: Comparar la eficacia de la técnica de inmunofluorescencia indirecta (IFI) con la reacción de polimerasa e...

Diagnóstico de Bartonella bacilliformis con frotis de sangre periférica: Utilidad en países con bajos recursos

Rev. chil. infectol; 36 (1), 2019