Failed coronary artery bypass anastomosis detected by intraoperative coronary flow measurement

Walpoth, Beat H.; Bosshard, Andreas; Kipfer, Beat; Berdat, Pascal A.; Althaus, Ueli; Carrel, Thierry (1998). Failed coronary artery bypass anastomosis detected by intraoperative coronary flow measurement. European journal of cardio-thoracic surgery, 14(Suppl. 1), S76-S81. Elsevier Science B.V. 10.1016/S1010-7940(98)00110-9

14-Supplement_1-S76.pdf - Published Version
Available under License Publisher holds Copyright.

Download (107kB) | Preview

Objectives: To assess intraoperative flow of arterial and venous coronary grafts after myocardial revascularization which may allow early detection of low flow situations, especially during minimally invasive coronary bypass surgery (MIDCAB), and lead to immediate correction of technical problems. Methods: In two patients with severe and diffuse multi-vessel disease the left internal mammary artery (IMA) was connected to the left anterior descending artery (LAD). During reperfusion, the flow was measured in the IMA and vein grafts using a transit time flow meter. Results: In both cases the IMA showed only a systolic pendulating flow curve with a mean flow of 0–1 ml/min and a high resistance. Manual IMA assessment revealed an adequate pulsation. Both distal IMA anastomoses were re-explored on cardiopulmonary bypass yielding an initial flow of 7 and 14 ml/min, respectively. After treatment with papaverine/adenosine the IMA flow increased from 7 to 26 ml/min (coronary flow reserve (CFR)=3.7) and from 14 to 46 ml/min (CFR=3.3), respectively. Conclusion: Intraoperative flow assessment of IMA and venous bypass grafts can be recommended to monitor flow; especially during MIDCAB procedures.

Item Type:

Journal Article (Original Article)


04 Faculty of Medicine > Department of Cardiovascular Disorders (DHGE) > Clinic of Heart Surgery

UniBE Contributor:

Berdat, Pascal, Carrel, Thierry


600 Technology > 610 Medicine & health




Elsevier Science B.V.




Marceline Brodmann

Date Deposited:

06 Oct 2020 13:37

Last Modified:

27 Feb 2024 14:30

Publisher DOI:





Actions (login required)

Edit item Edit item
Provide Feedback