Pre-emptive stellate ganglion block increases the patency of radial artery grafts in coronary artery bypass surgery
Authors: Yildirim1; Akay; Bingol2; Bolcal2; Iyem2; Doğanci2; Demirkilic2; Tatar2
Source: Acta Anaesthesiologica Scandinavica, Volume 51, Number 4, April 2007 , pp. 434-440(7)
Publisher: Blackwell Publishing
Abstract:
Background: We evaluated the role of pre-emptive stellate ganglion block (SGB) in preventing radial artery spasm and increasing radial artery graft patency in patients undergoing off-pump coronary artery bypass surgery. Methods: In this prospective randomized study, 100 patients were divided into two equal groups (n= 50). In group A, SGB was achieved using 10 ml of ropivacaine and, in group B, SGB was not performed. Radial artery blood flow was measured pre- and intra-operatively. Post-operative clinical determinants (S-T segment elevation, use of inotropic agents, incidence of atrial fibrillation) were recorded. Early coronary angiography was performed. Results: According to blood flowmeter measurements, the radial artery blood flow was significantly increased in patients with SGB. The incidence of atrial fibrillation, the need for inotropic agents and S-T segment elevation were all decreased in the SGB group. Angiographic intervention revealed that the incidence of graft spasm was also lower in the SGB group. Conclusion: Pre-emptive SGB is an effective method for increasing radial artery blood flow and preventing radial artery spasm. Complications related to radial artery spasm may be decreased and patients may have a more comfortable post-operative period with this method.Keywords: coronary bypass; graft patency; radial artery; stellate ganglion block; vasospasm
Document Type: Research article
DOI: 10.1111/j.1399-6576.2006.01260.x
Affiliations: 1: Anesthesiology and Reanimation 2: Cardiovascular Surgery, Gulhane Military Medical Academy, Ankara, Turkey

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