Alfred Belán

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Percutaneous transluminal angioplasty via the common femoral artery was performed in a 32-year-old woman with neurologic symptoms secondary to stenosis of the left internal carotid artery due to fibromuscular dysplasia. Good anatomic results after dilatation and gradual normalization of the neurologic symptoms show that this technique can be used for the(More)
A new occlusive agent, Vilan 500, was used to embolize the arterial bed of the kidney in 12 dogs. This polyvinyl acetate, alcohol-soluable agent becomes gelantinous on contact with an aqueous environment and its low viscosity makes this material well suited for application through small-caliber catheters. Complete arterial occlusion of the embolized kidneys(More)
A bilateral sensorineural (perceptive) deafness occurred in a 12-year-old girl, following laparoscopic appendicectomy under general anaesthesia not comprising nitrous oxide and low insufflation pressures and a normal haemodynamic status. There was neither a personal nor a familial history of hearing disturbances nor a preoperative intake of ototoxic drugs.(More)
Indications for the angiography, probability, of the diagnosis of renovascular hypertension and results of the surgical and medical treatment were considered in 16 patients with renal artery stenosis of the transplanted kidney. The evaluation shows that an increase in the blood pressure in patients with good, stabilized graft function is the most essential(More)
Six laboratory-scale wastewater treatment ponds were filled with sediment and water obtained from a reference pond (a wastewater treatment plant located in a rural environment at Montel-de-Gelat, Puy-de-Dôme, France). They were kept at 20 degrees C, with alternative light and dark periods (12 h-12 h), and fed with raw effluent supplied weekly. Three of them(More)