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Published on: June 22, 2013
Hemodynamic stability under general anesthesia in carotid artery stenting
Shun-ichi Nagata1, Kiyoshi Kazekawa, Hiroshi Aikawa
1Department of Neurosurgery, Fukuoka University Chikushi Hospital, 377-1 Zokumyoin, Chikushino 818-8502, Japan.
Radiation Medicine
|January 5, 2006
Summary
General anesthesia with sevoflurane and nitrous oxide during carotid artery stenting (CAS) resulted in hemodynamic stability. This approach may reduce complications like hypotension and bradycardia in CAS patients.
Area of Science:
- Anesthesiology
- Cardiovascular Surgery
- Neurology
Background:
- Carotid artery stenting (CAS) is a crucial procedure for stroke prevention.
- General anesthesia techniques for CAS aim to maintain hemodynamic stability.
- Sevoflurane and nitrous oxide are commonly used anesthetic agents.
Purpose of the Study:
- To determine the frequency of hemodynamic instability during CAS.
- To evaluate the impact of sevoflurane and nitrous oxide general anesthesia on hemodynamic parameters.
- To assess the incidence of hypotension and bradycardia during and after CAS.
Main Methods:
- Prospective study of 97 consecutive CAS procedures in 84 patients.
- Anesthesia induced and maintained with sevoflurane and nitrous oxide in oxygen.
- Hemodynamic variables monitored included systolic blood pressure changes, hypotension, and bradycardia.
Main Results:
- Hypotension occurred in 43% and bradycardia in 14% during CAS.
- Post-CAS, hypotension affected 24% and bradycardia 10% of patients.
- The overall stroke rate was 3.1%, with three cases of cerebral infarction.
Conclusions:
- General anesthesia with sevoflurane and nitrous oxide appears to induce hemodynamic stability during CAS.
- This anesthetic technique may depress baroreceptor reflex sensitivity.
- The findings suggest a potential reduction in CAS-related complications with this anesthetic regimen.
