The Shelhigh No-React bovine internal mammary artery: a questionable alternative conduit in coronary bypass surgery?

Englberger, Lars; Noti, Jasmin; Immer, Franz F; Stalder, Mario; Eckstein, Friedrich S; Carrel, Thierry P (2008). The Shelhigh No-React bovine internal mammary artery: a questionable alternative conduit in coronary bypass surgery? European journal of cardio-thoracic surgery, 33(2), pp. 222-4. Oxford: Elsevier Science B.V. 10.1016/j.ejcts.2007.11.006

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BACKGROUND: Increasing age and comorbidities among patients undergoing coronary artery bypass surgery (CABG) stimulates the exhaustive research for alternative grafts. No-React treatment should render the tissue resistant against degeneration and reduce early inflammatory response. The aim of the present study was an invasive assessment of the patency of No-React bovine internal mammary artery (NRIMA grafts) used as bypass conduit in CABG surgery. PATIENTS AND METHODS: Nineteen NRIMA grafts were used in 17 patients (2.9%) out of a total of 572 patients undergoing CABG surgery within a 12-month period. All intraoperative data were assessed and in-hospital outcome was analysed. Follow-up examination was performed 7.0+/-4.0 months after initial surgery, including clinical status and coronary angiography to assess patency of the NRIMA grafts. RESULTS: Average perioperative flow of all NRIMA grafts was 71+/-60 ml/min. One patient died in hospital due to a multi-organ failure. Four patients refused invasive assessment. Follow-up was complete in 12 patients with overall 13 NRIMA grafts. Nine NRIMA grafts (69.2%) were used for the right coronary system, two NRIMA grafts (15.4%) on the LAD and two on the circumflex artery. Graft patency was 23.1% and was independent of the intraoperative flow measurement. CONCLUSIONS: NRIMA grafts show a very low patency and cannot be recommended as coronary bypass graft conduits. Patency was independent of the perioperative flow, assessed by Doppler ultrasound. Because of this unsatisfying observation, this type of graft should be utilised as a last resource conduit and used only to revascularise less important target vessels, such as the end branches of the right coronary artery.

Item Type:

Journal Article (Original Article)

Division/Institute:

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

UniBE Contributor:

Englberger, Lars; Immer, Franz F.; Stalder, Mario; Eckstein, Friedrich Stefan and Carrel, Thierry

ISSN:

1010-7940

ISBN:

18083039

Publisher:

Elsevier Science B.V.

Language:

English

Submitter:

Factscience Import

Date Deposited:

04 Oct 2013 15:05

Last Modified:

20 Nov 2019 23:49

Publisher DOI:

10.1016/j.ejcts.2007.11.006

PubMed ID:

18083039

Web of Science ID:

000253752500019

BORIS DOI:

10.7892/boris.28281

URI:

https://boris.unibe.ch/id/eprint/28281 (FactScience: 119538)

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