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Ann Thorac Surg 2005;79:573-579
© 2005 The Society of Thoracic Surgeons

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Original article: Cardiovascular

First Clinical Experience With the VSTENT: A Device for Direct Left Ventricle-to-Coronary Artery Bypass

^a Department of Cardiac Surgery
^b Department of Internal Medicine I, Großhadern Medical Center, Ludwig-Maximilians-University Munich, Munich, Germany

Accepted for publication August 3, 2004.

^* Address reprint requests to Dr Vicol, Herzchirurgische Klinik und Poliklinik, Klinikum Großhadern, Ludwig-Maximilians-Universität München, Marchioninistr 15, 81377 München, Germany (E-mail: calin.vicol{at}med.uni-muenchen.de).

BACKGROUND: Stent-based left ventricle-to-coronary artery stent (VSTENT) is a newly developed, alternative surgical revascularization procedure (VCAB). We present here our initial experience using this technique.

METHODS: Twelve patients (10 male and 2 female, mean age 61 ± 13 years) underwent a VCAB concomitant to coronary artery bypass surgery. Myocardial revascularization was performed on-pump with arrested heart in 4 patients, on-pump with beating heart in 6 patients, and off-pump in 2 patients. Average number of coronary anastomoses per patient was 2.4 ± 0.8. In all cases left internal thoracic artery-to-left anterior descending was used. In each patient only one VSTENT was implanted. Target artery for the VCAB was a diagonal branch in 5 patients, an intermediate branch in one patient and a marginal branch in 6 patients. Mean time for the VCAB was 23 ± 5 minutes (17 to 30 minutes).

RESULTS: An immediate procedural success was observed in 11 of 12 cases. In one case VCAB was not successful and conventional aortocoronary bypass was performed. One patient died on the second postoperative day due to a systemic inflammatory response syndrome. Autopsy demonstrated a patent VSTENT. Angiography was performed in 10 patients 2 to16 days (9 ± 5 days) postoperatively showing a patent VSTENT in 8 patients.

CONCLUSIONS: The VCAB was feasible and potentially safe in the short-term postoperative follow-up, particularly with increasing experience after the first patients. Though the VSTENT is a promising tool for myocardial revascularization, long-term safety, patency, and performance of the device needs to be determined.

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