António Rosa

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Although rare, the iliac endofibrosis and the popliteal artery entrapment syndrome are undoubtfully recognised as causes of intermittent claudication in young patients, particularly in athletes. The authors report the clinical case of a young female athlete, with disabling claudication of the right lower limb due to a stenosis of the external iliac artery(More)
From 1980 to 2005, eight patients, four male and four female, age range between 33 to 86 years (average 55.2) with the diagnosis of primary aneurysm of the carotid bifurcation, underwent surgical management. Patients with postendarterectomy pseudo-aneurysms (also rotulated as "secondary") were excluded from the study, due to different pathogenic, clinical(More)
In vitro penetration (IVP) of swine oocytes by homologous spermatozoa was evaluated in two experiments using four boars as semen donors. In experiment 1, the IVP rate and the number of penetrating spermatozoa (PSP) were compared using three co-incubation systems for vitrified oocytes and fresh sperm: (1) 35mL petri dishes in a CO(2) incubator, (2) 35mL(More)
The clinical case of a 27-year old man with the diagnosis of chronic mesenteric ischemia ("abdominal angina") is reported, whose chief complaints were severe postprandial pain and remarkable weight loss, for the last 4 months. Following na inconclusive observation in gastroenterology, he underwent an angiographic-CT examination, that disclosed a critical(More)
The surgical management of aortic prosthesis infection remains an enormous challenge for the vascular surgeon and a critical issue for the patient's well-being and life. Several techniques for its management have been devised and employed over the years, but none of them has been totally satisfactory. Thus new alternatives are needed. We present the(More)
Aortobifemoral bypass remains the standard therapy for aortoiliac occlusive disease. Extraanatomic revascularization has been considered as an acceptable alternative and provides reasonable long-term results. Because some of the causes for its failure are related to the prosthetic material used, a technique that uses autologous material and is applicable in(More)
Aneurysms of the superior mesenteric artery are one of the most uncommon visceral artery aneurysms. Despite its rarity they course with high risks of rupture and many constitute a permanent threat to patients's life. The authors report the clinical condition of a male patient, with a large aneurysm of the superior mesenteric artery, diagnosed through the(More)
It has been grossly estimated that one fifth of the patients with post thrombotic chronic venous diseases suffer from obstructive or hypertensive symptoms, due to a failure of the physiologic repermeabilization mechanisms. In clinical practice, only a small group of these patients, with disabling symptoms, fill the essential requirements for a deep vein(More)
From April 1995 to April 2006, four patients, three male and one female, age range 56 to 68 years (average 62), with a renal transplant, underwent the surgical management of an abdominal aortic aneurysm. As a consequence of the high vulnerability of the transplanted kidney to the ischemia and the occurrence of frequent calcifications of the arterial wall in(More)
Three patients with renovascular hypertension due to complex and branch lesions of the renal artery are reported, successfully managed by a technique consisting in the "ex-vivo" repair of the lesions followed by kidney autotransplantation. The indications and technical details of the procedure are subjected to a description and discussion.