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27.04.2019 | Original Article

Intermittent on-pump beating-heart coronary artery bypass grafting—a safer option

Zeitschrift:
Indian Journal of Thoracic and Cardiovascular Surgery
Autoren:
Sushil Kumar Singh, Sarvesh Kumar, Ved Prakash, Vijayant Devenraj, Vivek Tewarson
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Abstract

Purpose

On-pump beating-heart coronary artery bypass grafting represents a merger of standard on and off-pump techniques and is thought to benefit patients by coupling the dual absence of cardioplegic arrest (conventional coronary surgery), with the hemodynamic instability during manipulation seen in off-pump surgery. However, the clinical benefits are still under discussion. We improvised on the standard on-pump beating-heart surgeries by introducing use of “intermittent” bypass as and when required.

Methods

This study involved 108 patients. “Intermittent” on-pump-beating heart coronary artery bypass grafting was done using suction stabilizer and placing aortic and venous cannula, electively in all patients (group 1) who were supported by pump intermittently (n = 54). Retrospective data of patients who underwent off-pump surgery electively by the same surgeon (group 2, n = 54) was collected.

Results

There was a significant advantage in the number of grafts performed for the lateral surface (circumflex branches) using the new technique compared to conventional technique (68vs22). Similarly, significant advantage was also noted in terms of total number of grafts along with shorter operating times. There were no mortalities in the new group compared to the off-pump group and blood loss was also lesser.

Conclusions

“Intermittent” on-pump coronary revascularization is a technically reliable method of coronary revascularization taking advantage of the off-pump and conventional on-pump techniques while considerably eliminating the disadvantages of both. It has shown its superiority in safety, number of grafts, blood loss, operating time and perioperative course.

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