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THE JOURNAL OF CARDIOVASCULAR SURGERY
A Journal on Cardiac, Vascular and Thoracic Surgery
Indexed/Abstracted in: BIOSIS Previews, Current Contents/Clinical Medicine, EMBASE, PubMed/MEDLINE, Science Citation Index Expanded (SciSearch), Scopus
Impact Factor 1,632
ORIGINAL ARTICLES VASCULAR PAPERS
The Journal of Cardiovascular Surgery 1998 December;39(6):729-34
Surgical treatment of atherosclerotic lesions of subclavian artery: carotid-subclavian bypass versus subclavian-carotid transposition
Deriu G. P., Milite D., Verlato F.*, Cognolato D., Frigatti P., Zaramella M., Mellone G., Greco F.
From the Chair of Vascular Surgery, Padua Medical School, Italy
* Angiology Department, Hospital of Padua, Padua, Italy
Background. The aim of this retrospective study is to analyze the short and long term results of two different surgical treatments in patients with subclavian lesions: common carotid-subclavian artery bypass (CSB) versus transposition of subclavian artery on the common carotid artery (SCT).
Methods. From 1981 until 1995, 40 non randomized patients with symptomatic subclavian steal underwent 20 CSBs and 20 SCTs. Risk factor rates were equally balanced in the two groups. Surgery was carried out routinely under general anesthesia, with electroencephalic continuous monitoring. Patency of revascularization was assessed by physical examination, brachial blood pressure determinations, ultrasound sonography and angiography whenever recurrence of symptoms developed or when the function of repair was in doubt. Patients were examined every year. In Spring 1996 (range 9-189 mos, average 7 years) a general clinical-instrumental follow-up was performed.
Results. In the short term (<30 days) mortality was 5%: one death (5%) for pulmonary embolism in a patient with CSB and one for myocardial infarction in a patient with SCT. The early thrombosis rate was 5% (1 CSB and 1 common carotid artery distal to a patent SCT). During follow-up 10 patients (25%) died and 6 were lost. The six-year actuarial patency rate was 100% for SCT and 66% for CSB. Moreover there were 3 thromboses of the vertebral artery homolateral to patent CSBs.
Conclusions. In conclusions SCT should be considered the surgical technical choice for the treatment of proximal subclavian artery lesions.