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1.
World J Gastroenterol ; 23(22): 3945-3953, 2017 Jun 14.
Article in English | MEDLINE | ID: mdl-28652649

ABSTRACT

Continuous-flow left ventricular assist devices (CF-LVADs) have significantly improved outcomes for patients with end-stage heart failure when used as a bridge to cardiac transplantation or, more recently, as destination therapy. However, its implantations carries a risk of complications including infection, device malfunction, arrhythmias, right ventricular failure, thromboembolic disease, postoperative and nonsurgical bleeding. A significant number of left ventricular assist devices (LVAD) recipients may experience recurrent gastrointestinal hemorrhage, mainly due to combination of antiplatelet and vitamin K antagonist therapy, activation of fibrinolytic pathway, acquired von Willebrand factor deficiency, and tendency to develop small intestinal angiodysplasias due to increased rotary speed of the pump. Gastrointestinal bleeding in LVAD patients remains a source of increased morbidity including the need for blood transfusions, extended hospital stays, multiple readmissions, and overall mortality. Management of gastrointestinal bleeding in LVAD patients involves multidisciplinary approach in stabilizing the patients, addressing risk factors and performing structured endoluminal evaluation with focus on upper gastrointestinal tract including jejunum to find and eradicate culprit lesion. Medical and procedural intervention is largely successful and universal bleeding cessation occurs in transplanted patients.


Subject(s)
Angiodysplasia/etiology , Gastrointestinal Hemorrhage/etiology , Heart Failure/therapy , Heart-Assist Devices/adverse effects , Ventricular Function, Left , Angiodysplasia/history , Angiodysplasia/mortality , Angiodysplasia/therapy , Animals , Anticoagulants/adverse effects , Blood Coagulation , Gastrointestinal Hemorrhage/history , Gastrointestinal Hemorrhage/mortality , Gastrointestinal Hemorrhage/therapy , Heart Failure/history , Heart Failure/mortality , Heart Failure/physiopathology , Heart-Assist Devices/history , History, 20th Century , History, 21st Century , Humans , Platelet Aggregation Inhibitors/adverse effects , Prosthesis Design , Recovery of Function , Risk Assessment , Risk Factors , Treatment Outcome
2.
Angiología ; 54(6): 492-499, nov. 2002. ilus
Article in Es | IBECS | ID: ibc-16364

ABSTRACT

El conocimiento de la angiología es complejo y, cuando pretendemos profundizar en el pasado, es preciso recurrir a los aspectos documentados en los tratados de historia de la medicina. La paleopatología es una ciencia que puede demostrar la existencia de enfermedades en la antigüedad y retroceder en el tiempo más allá del testimonio escrito, incluso hasta el origen de la vida, y en todo caso, del hombre. Definimos la paleoangiología como el estudio de las vasculopatías sobre restos humanos antiguos, momificados o esqueletales. El análisis de estos restos durante los últimos 150 años ha generado un amplio registro de lesiones relacionadas con el aparato circulatorio y permite observar los lejanos arcanos de la mayor parte de la patología angiológica que hoy diagnosticamos y tratamos. La patología vascular evoluciona con el propio género humano, y es éste el medio en el cual la enfermedad aparece, se desarrolla y produce sus efectos lesivos o deletéreos. Sorprende el hallazgo de algunas de estas enfermedades, en especial de la aterosclerosis, con una prevalencia inesperada en sociedades cuyos factores de riesgo no se corresponden con los de la actualidad; ello puede generar reflexión e incluso debate. En cualquier caso, este artículo pretende llamar la atención sobre un aspecto apenas conocido de la angiología antigua, que ayuda a contextualizar nuestro trabajo en un marco científico y erudito (AU)


Subject(s)
History, 20th Century , Paleopathology/methods , Heart Diseases/history , Mummies/pathology , Arterial Occlusive Diseases , Hemangioma/diagnosis , Hemangioma/complications , Hemangioma/history , Atherosclerosis/complications , Atherosclerosis/diagnosis , Atherosclerosis/history , Coronary Disease/diagnosis , Coronary Disease/history , Vascular Diseases/diagnosis , Vascular Diseases/history , Aortic Aneurysm/diagnosis , Aortic Aneurysm/history , Angiodysplasia/diagnosis , Angiodysplasia/history , Amputation, Surgical/methods , Vascular Neoplasms/diagnosis , Vascular Neoplasms/history , Mummies , Diagnosis, Differential , Paleopathology/instrumentation , Paleopathology/classification , Paleontology/history
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