â) was preferentially used. There was no operative mortality or paraplegia. One patient had a transient leg monoparesis that reverted completely. No patient had type I endoleaks. Two patients had type II endoleaks on discharge, that sealed spontaneously. In a follow up, ranging from 2 to 17 months, one patient died of a bronchopneumonia and no aneurysm rupture has been detected. Conclusions: The short term results of endoluminal treatment of thoracic aorta aneurysms are excellent. This treatment is less invasive and has less complications than conventional surgery (Rev Méd Chile 2003; 131: 617-22)]]>
Carotid body tumors: Report of ten cases Background: Carotid body tumors arise from a cellular conglomerate located at the carotid bifurcation. Progressive enlargement can involve the arterial wall and neighbor cranial nerves. Aim: To report a series of 10 patients treated of carotid body tumors and review national experience. Patients and methods: Between 1984 and 2006, we operated 8 women and 2 men, aged 19 to 75 years, with this type of tumor. Results: The most common cause for consultation was a cervical mass in 90%, with a mean evolution lapse of 13.2 months (range 3 to 126). In all cases, diagnosis was confirmed with angiographic imaging and histopathology. Ten tumors were surgically removed with no complications. Eighty percent of tumors were in stage II according to Shamblin classification. During long term follow up all patients have remained asymptomatic. Only 31 carotid body tumors have been reported in Chilean medical literature during a 43 year period. Conclusions: Paragangliomas of the carotid body can be diagnosed in clinical grounds, requiring vascular imaging. These infrequent lesions are generally benign, early surgical removal by surgeons with vascular expertise avoids neurological and or vascular complications
Endovascular surgery allows effective exclusion of AAA avoiding progressive enlargement and/or rupture and is a good alternative to open repair. Close and frequent postoperative follow up is mandatory.
Background: Dissections that involve the ascending aorta are classified as type A, regardless of the site of the primary intimal tear, and all other dissections as (Rev Méd Chile 2008; 136: 1431-8).
Hybrid treatment aberrant right subclavian artery Introduction: An aberrant right subclavian artery is the most frequent aortic arch malformation. It is frequently an incidental finding of imaging studies and serious complications may arise if left untreated. Clinical case: We present a case of a young woman with a dilated aberrant right subclavian artery that was successfully treated by a hybrid approach.
Esophageal squamous cell carcinoma can spread locally to neighboring organs in the mediastinum. When it invades the aorta, the patient may develop an aorto esophageal fistula (AEF),puc.cl E l cáncer escamoso es la segunda causa de neoplasia de esófago 1,2 . Cuando el diagnóstico es tardío el pronóstico es malo, con sobrevida reportada entre 5 y 20% a largo plazo 1 . El síntoma principal es la disfagia con baja de peso secundaria, y en 12-17% de los casos puede coexistir un cáncer oro-faríngeo. En los pacientes que no son candidatos a cirugía con intención curativa, el tratamiento preferido es la quimioradioterapia (QRT), siendo el principal objetivo aliviar la disfagia cuando está presente y mejorar la calidad de vida 3 .Dependiendo de la localización, el tumor puede comprometer localmente otras estructuras en el mediastino. El compromiso aórtico es particularmente grave pues la presencia de una fístula aorto-esofágica (FAE) es de alta letalidad. Presentamos el caso de un paciente con cáncer epidermoide de esófago de tercio medio etapa IV, que durante el tratamiento paliativo con QRT evoluciona con FAE exitosamente tratada con una prótesis endovascular.
Caso clínicoPaciente varón de 62 años de edad con antecedente de tabaquismo (20 paquetes/año) que consultó por disfagia y baja de peso. Endoscopia digestiva alta (EDA) demostró un tumor estenosante del esófago a 30 cm de la arcada dentaria. Biopsia confirmó un carcinoma escamoso moderadamente diferenciado. El estudio de etapificación con tomografía axial computada (TAC) mostró una lesión infiltrante en tercio medio del esófago de 9 cm de largo, desde el cayado aórtico hasta el nivel de las venas pulmonares derechas; en su aspecto posterior se apreciaba que rodeaba y aparentemente infiltraba la aorta en más de un 50% de su circunferencia. Presentaba además un nódulo pulmonar de 1 x 0,5 cm en el lóbulo superior derecho y un nódulo hepático de 3 cm en el lóbulo caudado, compatibles con localizaciones secundarias (T4NxM1). Considerando que el paciente tenía un cáncer metastásico, recibió tratamiento paliativo para alivio de su disfagia con
scite is a Brooklyn-based organization that helps researchers better discover and understand research articles through Smart Citations–citations that display the context of the citation and describe whether the article provides supporting or contrasting evidence. scite is used by students and researchers from around the world and is funded in part by the National Science Foundation and the National Institute on Drug Abuse of the National Institutes of Health.