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Percutaneous splenic embolization of the splenic artery in the treatment of hyp...
Pisco, J M; Serviço de Radiologia, Hospital de Santa Marta.; Reis, A P; Fernandes, M O; Martins, J MPercutaneous splenectomy was performed in 6 patients with hypersplenism. Peripheral blood cell counts improved in 5 of the patients. The authors review the indications, technique and complications of percutaneous splenic embolization. It is concluded that medical splenectomy is an effective method particularly to alleviate symptoms of hypersplenism. ; Percutaneous splenectomy was performed in 6 patients with h...
Percutaneous sclerotherapy of varicocele.
Pisco, J M; Serviço de Radiologia, Hospital de Santa Marta, Lisboa.; Basto, I; Batista, A M; Pereira, N M; Dias, J R; Silva, H; Silva, M MPercutaneous sclerotherapy of varicocele was considered in 21 patients with left sided varicocele, 16 of whom had recurrences after left spermatic vein ligation in the past. Percutaneous sclerotherapy was possible in 17 patients (80.9%). There were no serious complications with venography or sclerotherapy, and the recurrence rate was 17.6%. Percutaneous sclerotherapy is therefore a simple, safe and effective tr...
The use of endoprosthesis in superior vena cava syndrome caused by lung neoplas...
Pisco, J M; Serviço de Radiologia, Hospital de Santa Marta, Lisboa.; Nobre, I; Fernandes, O; Garcia, V; Martins, J M; Duarte, A C; Freitas, M GWe present six cases of superior vena cava syndrome caused by a malignant tumor that were treated by percutaneous endoprostheses. The technique is described and the results evaluated. In one case there was acute thrombosis of the endoprosthesis that was treated by urokinase. No other complications were observed. A patient died one month later due to progression of the tumor. The remaining cases were asymptomati...
The transjugular intrahepatic portosystemic shunt.
Pisco, J M; Serviço de Radiologia, Hospital de Santa Marta, Lisboa.; Martins, J M; Garcia, V; Correia, M G; Figueiredo, M L; Jalles, N; Freitas, J MThe case of a 66-year-old woman with several episodes of hemorrhage by esophageal varices and ascites due to portal hypertension is presented. Despite 4 sessions of endoscopic sclerotherapy bleeding recurred. A transjugular intrahepatic portosystemic shunt was performed. In the 10 months following the intervention, there was no further hemorrhage, the ascites disappeared and the shunt is open. ; The case of a ...
Pulmonar vascular changes in the plain chest film of cardiac patients.
Pisco, J M; Serviço de Radiologia Hospital de Santa Marta, Lisboa.The correct interpretation of chest film on cardiac patients is very important. The most important feature is the radiographic appearance of the pulmonary vascularity. Four different patterns of pulmonary vascularity are considered: normal, decreased, increased and uneven. The different diseases associated with each type are mentioned. From the pulmonary vascular pattern one can deduct hemodynamic data which ar...
Renal artery angioplasty.
Pisco, J M; Serviço de Radiologia, Hospital de Santa Marta, Lisboa.; dos Santos, M O; Carvalheiro, V M; Pego, G M; Martins, J M; Baptista, A MIn the 59 hypertensive patients submitted to percutaneous transluminal angioplasty (PTA) of the renal artery, there was an immediate success in the blood pressure in 91.5% and a later one of 79.6%. In these patients we obtained better results: 81.4% in the unilateral lesions, more than in the bilateral ones--72.7%; 82.5% in the renal artery trunk lesions, more than in the ostium ones--71.4%; 88.9% in the lesion...
Angioplasty of the arteries of the femoro-popliteal region.
Pisco, J M; Serviço de Radiologia, Hospital de Santa Marta, Lisboa.Percutaneous transluminal angioplasty (PTA) of the femuro-popliteal arteries with atherosclerotic lesions, was performed in 66 patients. There was an initial clinical success in 80.3% and a late one in 60.7%. Better results were obtained when there was good distal circulation, and the differences were significant. There was no mortality. These results show that PTA is an useful procedure in the treatment of obs...
Angioplasty of the arteries of the aorto-iliac region.
Pisco, J M; Serviço de Radiologia, Hospital de Santa Marta, Lisboa.Percutaneous transluminal angioplasty (PTA) of the aorto-iliac arteries was performed in 92 patients with atherosclerotic lesions. The initial success was 87.8% and the late one was 69.4%. The late results were evaluated objectively in 58 patients, 36 of which were studied by angiography and the remaining by Doppler. There were 6.6% of complications, in 2.8% of which surgery was performed. There was no mortalit...
Percutaneous placement of inferior vena cava filters.
Pisco, J M; Serviço de Radiologia, Hospital de Santa Marta, Lisboa.; Santiago, M J; Basto, IPulmonary embolism is a serious and difficult problem. Many approaches for the prevention of recurrent pulmonary embolism have been tried. Percutaneous placement of inferior vena cava filters is an easy, safe, available and well established procedure for the prevention of pulmonary embolism. The authors review the indications for use of IVC filters, and they review the main filters available in terms of ease of...
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