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1.
Radiol. bras ; 54(1): 43-48, Jan.-Feb. 2021. graf
Article in English | LILACS-Express | LILACS | ID: biblio-1155227

ABSTRACT

Abstract Plastic and metal biliary stents can fail to function properly, such failure being due to a positioning error or to the migration, occlusion, or fracture of the stent. An obstructed biliary stent can act as a nidus, causing complications such as recurrent persistent cholangitis. It can also cause vascular complications (such as bleeding and the formation of pseudoaneurysms), perforate the liver capsule (causing biloma or abscess), or, in rare cases, cause intestinal obstruction or perforation. In this pictorial essay, we demonstrate various interventional radiology techniques for the treatment of biliary stent dysfunction in patients with obstructive biliary disease.


Resumo Disfunção das próteses biliares plásticas ou metálicas pode ser causada por migração, oclusão, mau posicionamento ou fratura. Uma prótese disfuncional na via biliar pode atuar como nidus causando complicações como colangite recorrente e persistente. Pode ainda causar complicações vasculares como formação de pseudoaneurismas ou sangramento, e além disso, perfurar a cápsula hepática causando biloma ou abscesso, ou raramente, causar obstrução intestinal e/ou perfuração. Demonstramos diferentes técnicas da radiologia intervencionista no tratamento de endopróteses biliares plásticas e metálicas disfuncionais, em pacientes com doença biliar obstrutiva.

2.
Rev. cuba. obstet. ginecol ; 39(2): 186-191, abr.-jun. 2013.
Article in Spanish | LILACS | ID: lil-675522

ABSTRACT

Introducción: la colestasis gravídica es una afección que se presenta con mayor frecuencia en el segundo o tercer trimestres, siendo el prurito y la elevación de los ácidos biliares en sangre sus características fundamentales. Se considera una enfermedad multifactorial y aunque el pronóstico materno es bueno, puede ocurrir prematuridad, sufrimiento y muerte fetales. Objetivo: presentar el caso y la revisión bibliográfica en la literatura nacional e internacional. Caso clínico: se presenta el caso de una gestante de 18 años de edad con un tiempo de gestación de 17,5 sem, que fue vista en consulta de hepatología por presentar prurito, íctero y coluria. Durante su estudio lo más significativo fue un aumento ligero de las transaminasas (ALAT/ASAT), asociado a un aumento de la bilirrubina y de la fosfatasa alcalina (FA). Resultados: a las 29,3 sem, la gestante comenzó con manifestaciones de parto pretérmino por lo que se decidió la interrupción del embarazo (cesárea). El recién nacido presentó al nacer 1 260 g y fue trasladado a sala de terapia intensiva neonatológica. La evolución clínica posparto de la madre fue satisfactoria, con desaparición de la sintomatología en las primeras 48 h y la normalización de las alteraciones analíticas en el transcurso de 4-8 sem. Conclusiones: la presentación clínica y bioquímica de la gestante así como su evolución, fueron suficientes para establecer el diagnóstico de una colestasis gravídica. La paciente es seguida por consulta de hepatología y está pendiente de valoración por el genetista debido al riesgo de esta afección en embarazos sucesivos.


Introduction: cholestasis of pregnancy is a condition that occurs most often in the second or third quarters. Pruritus and elevated bile acids in blood are its fundamental characteristics. It is considered a multifactorial disease and although maternal prognosis is good, prematurity, fetal distress and death can occurred. Objective: to present a case and a review in the national and international literature. Case report: we report the case of an 18-year-old pregnant with gestational age of 17.5 weeks, who was seen in Hepatology Clinic by pruritus, jaundice and dark urine. During our study the most significant aspect was a slight increase in transaminases (ALT / AST), associated with increased bilirubin and alkaline phosphatase (AP). Results: at 29.3 weeks, this mother started to have signs of preterm labor so it was decided the termination of pregnancy (caesarean). The infant had 1260 g at birth and he was transferred to neonatal intensive care unit. The clinical postpartum course of this mother was satisfactory, disappearing symptoms in the first 48 h and normalizing laboratory abnormalities in the course of 4-8 weeks. Conclusions: the clinical and biochemical presentation of this pregnant patient and her evolution, were sufficient to establish the diagnosis of intrahepatic cholestasis of pregnancy. This patient is followed up by Hepatology Clinic and she is expecting assessment by her geneticist due to the risk of this condition in subsequent pregnancies.

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