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Biomedical subjects

A J Zuska

Publications and source records attributed to A J Zuska.

8 recordsLinked to original sources

Percutaneous transluminal angioplasty for treatment of subclavian steal.

Twenty-two patients with subclavian steal were treated with percutaneous transluminal angioplasty (PTA). Fifteen had unilateral stenosis of the subclavian artery, one had severe stenosis on the left and total occlusion on the right, five had total subclavian occlusion on the left, and one had total occlusion of the innominate artery. All subclavian stenoses as well as the occluded innominate artery were successfully dilated, resulting in correction of subclavian steal; however, attempts to recanalize the totally occluded subclavian arteries failed. No restenosis of successfully treated arteries was observed during 5 years of follow-up. The authors recommend PTA as the treatment of choice for subclavian steal due to severe stenosis; however, total occlusion requires bypass surgery.

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Percutaneous transluminal angioplasty of the brachiocephalic arteries.

Percutaneous transluminal angioplasty was used to treat atherosclerotic lesions in 22 brachiocephalic arteries in 20 patients during a 2 1/2 year period. Seven subclavian, 13 vertebral, one external carotid, and one common carotid arteries were involved. Nineteen arteries were successfully dilated, but dilatation of two vertebral arteries and attempted recanalization of one subclavian artery failed. The first patient treated was still asymptomatic at 30 months and no symptoms recurred in any of the successfully treated patients. No complications were encountered during these procedures.

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Percutaneous transluminal angioplasty of the vertebral arteries.

Dilatation of stenosis at the origin of the vertebral artery, using a Grüntzig balloon catheter, was attempted in 5 selected patients and was successful in 4. Two patients had isolated vertebral artery disease without significant carotid occlusive disease, while the other 3 also had ulcerated carotid plaques. All patients had classical vertebral basilar insufficiency and were being considered for reconstructive surgery; however, dilatation alleviated the symptoms and made surgery unnecessary. No complications were encountered. At 1-18 months, all patients remain free of symptoms. Percutaneous transluminal angioplasty is a feasible means of treating stenosis of the origin of the vertebral artery in carefully selected cases.

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Percutaneous transluminal angioplasty as a complement to surgery.

Transluminal angioplasty, a nonsurgical treatment for atherosclerotic occlusive disease, was performed on 56 arteries in 45 patients in conjunction with reconstructive vascular surgery. Twelve patients were treated presurgically, 12 patients were treated postsurgically, and 21 patients were treated intraoperatively. Some arteries were dilated to increase arterial inflow to the graft or to improve the distal runoff. In other cases, a major reconstructive surgical procedure was modified to a less traumatic or more favorable one. The long-term patency rate is still under investigation. The rate of success was 95%.

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Percutaneous transluminal angioplasty and case selection.

The application of percutaneous transluminal angioplasty (PTA) in the treatment of arteriosclerotic occlusive disease is relatively new in the United States. To ascertain more data on case selection, procedure, and success rate, the authors evaluated 100 consecutive patients as possible candidates for treatment with PTA. Patients were divided into five groups on the basis of procedural acceptability. PTA was indicated for 71% of the patients. One hundred seventeen arteries were treated in 56 patients, with a primary success rate of 91.5% of the arteries (82% of the patients). This success rate indicates that PTA is a potentially effective treatment for patients with arteriosclerotic occlusive disease.

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Percutaneous transluminal angioplasty of the iliac arteries: 66 experiences.

Sixty-six iliac arteries in 45 patients, 25 male and 20 female, were treated with percutaneous transluminal angioplasty (PTA) for atherosclerotic occlusive disease. Of 103 lesions dilated, 51 were in common iliac and 51 in external iliac arteries. While iliac artery disease was the primary lesion in 18 patients, eight of whom had total occlusion, 27 patients had additional femoropopliteal disease. An overall primary success rate of 84% in dilatation of the stenotic lesions, and 33% in recanalization of totally occluded iliac arteries was achieved. In 12 patients, a prescheduled aortic bifurcation graft was cancelled. In one patient, in addition to recanalization of the occluded common iliac artery, the stenotic distal aorta was also successfully dilated. Angioplasty was unsuccessful in 12 patients. There were only three severe complications requiring surgical assistance. To date, less than 2 years, there has been a patency rate of 100%. Transluminal angioplasty is the treatment of choice for single stenotic lesions of the iliac arteries. Lack of calcification is not an absolute guarantee of success, but a favorable factor.

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