Blood Flow Through Aorta-to-Coronary Artery Bypass Grafts and Early Postoperative Patency

IF 3.6 2区医学 Q1 CARDIAC & CARDIOVASCULAR SYSTEMS Annals of Thoracic Surgery Pub Date : 1971-12-01 DOI:10.1016/S0003-4975(10)64792-3

Claude M. Grondin M.D., Claude Meere M.D., Yves R. Castonguay M.D., Gilles Lepage M.D., Pierre Grondin M.D.

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Abstract

Blood flow through aorta-to-coronary artery bypass grafts was measured in 100 patients who underwent insertion of a total of 157 grafts to the right (RCA), left anterior descending (LAD), or circumflex (CIRC) coronary artery or to a combination of these arteries. Angiographic evaluation was obtained in all patients in the early postoperative period.

The overall patency rate was 88.5%. Mean flow was 28 ml. per minute in occluded grafts and 66 ml. per minute in patent grafts. The mean flow doubled in both groups following injection of papaverine into the graft, although 5 of the 18 occluded grafts failed to respond to papaverine. This phenomenon was not observed in patent grafts.

In all but 1 occluded graft, blood flow was less than 50 ml. per minute. Only 3 of 12 grafts with a flow of 25 ml. or less remained open.

It is concluded that intraoperative measurement of blood flow provides a reliable index of early postoperative patency in aorta-to-coronary bypass grafts.

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主动脉-冠状动脉旁路移植术的血流和术后早期通畅。一项针对100名患者的研究。

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来源期刊

Annals of Thoracic Surgery 医学-呼吸系统

CiteScore

6.40

自引率

13.00%

发文量

1235

审稿时长

42 days

期刊介绍： The mission of The Annals of Thoracic Surgery is to promote scholarship in cardiothoracic surgery patient care, clinical practice, research, education, and policy. As the official journal of two of the largest American associations in its specialty, this leading monthly enjoys outstanding editorial leadership and maintains rigorous selection standards. The Annals of Thoracic Surgery features: • Full-length original articles on clinical advances, current surgical methods, and controversial topics and techniques • New Technology articles • Case reports • "How-to-do-it" features • Reviews of current literature • Supplements on symposia • Commentary pieces and correspondence • CME • Online-only case reports, "how-to-do-its", and images in cardiothoracic surgery. An authoritative, clinically oriented, comprehensive resource, The Annals of Thoracic Surgery is committed to providing a place for all thoracic surgeons to relate experiences which will help improve patient care.