Vascular antispastic medication should take priority over other antihypertensives after coronary artery bypass grafting using a radial artery conduit

Radial artery conduits have recently been used more often in coronary artery bypass grafting because of their potentially better long-term patency than saphenous vein conduits. However, vasospasm of the radial artery conduit due to its nature as a muscular artery has always been of concern and a var...

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Bibliographic Details
Published in:Interactive cardiovascular and thoracic surgery 2011-12, Vol.13 (6), p.679-681
Main Authors: Kitamura, Tadashi, Motomura, Noboru, Higashikuni, Yasutomi, Ono, Minoru
Format: Article
Language:English
Subjects:
Administration, Oral
Antihypertensive Agents - administration & dosage
Coronary Artery Bypass - adverse effects
Coronary Artery Bypass - methods
Coronary Artery Disease - surgery
Drug Administration Schedule
Graft Occlusion, Vascular - diagnosis
Graft Occlusion, Vascular - drug therapy
Graft Occlusion, Vascular - etiology
Graft Occlusion, Vascular - physiopathology
Humans
Injections, Intra-Arterial
Magnetic Resonance Angiography
Male
Middle Aged
Radial Artery - transplantation
Spasm - diagnosis
Spasm - drug therapy
Spasm - etiology
Spasm - physiopathology
Time Factors
Treatment Outcome
Vasoconstriction - drug effects
Vasodilator Agents - administration & dosage
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Summary:Radial artery conduits have recently been used more often in coronary artery bypass grafting because of their potentially better long-term patency than saphenous vein conduits. However, vasospasm of the radial artery conduit due to its nature as a muscular artery has always been of concern and a variety of vasodilators have empirically been used to reduce the risk of spasm. When a patient who was preoperatively taking antihypertensive agents undergoes coronary artery bypass using a radial artery graft, and if he/she is not hypertensive postoperatively, it is not always easy to decide what medication to start with. We report a case of a patient with a radial artery graft who did not receive vasodilators after surgery due to hypotension. The patient developed vasospasm of the radial artery conduit which did not respond to direct injection of vasodilators into the conduit but recovered after taking oral vasodilators for four weeks.
ISSN:1569-9293
1569-9285
DOI:10.1510/icvts.2011.280537