Abstract
The clinical significance of Haemodynamic Depression (HD) during carotid stenting (CAS) remains unclear. The aim of this study was to analyze the frequency and predictors of HD during CAS in a single centre experience. A prospective protocol for CAS was applied in a 15-month interval. Patients with restenosis, on betablockers, or with arrhythmias were excluded. A standardized dose of atropine (0.4mg) was given prior to stent deployment. Changes in heart rate, blood pressure, and neurological status were monitored and recorded. HD was defined as systolic pressure <90mmHg and/or heart rate <50 beats/min. Fifteen potential predictors of HD (age, gender, hypertension, smoking, diabetes, coronary artery disease, previous myocardial infarction, symptoms, degree of carotid stenosis contralateral CEA or CAS, calcified/hyperechoic plaque, plaque length, stent oversizing and type of stent) were tested in multivariate analysis. Two hundred and twenty three consecutive patients were enrolled. HD occurred in 98 cases (44%): in 68 cases HD required additional pharmacological support. At 30 days, any stroke rate was 3.1% (3 major and 4 minor), TIA rate 1.8%, myocardial infarction rate 0.4%. No deaths were recorded. No difference in complicati...Continue Reading
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