Complete Sternal-Sparing Approach Improves Outcomes for Left Ventricular Assist Device Implantation in Patients With History of Prior Sternotomy

Abstract

Objective

Early reports of less invasive techniques for left ventricular assist device (LVAD) implantation have demonstrated promising results. We sought to investigate the safety and feasibility of implementing the complete sternal-sparing (CSS) approach for LVAD implantation in patients with a history of prior cardiac operation.

Methods

This was a retrospective review of prospectively collected data for all patients implanted with a fully magnetically levitated LVAD from April 2017 through December 2018. Patients were dichotomized based on surgical approach: CSS or full median sternotomy (FS). Perioperative complications and overall survival were compared between cohorts.

Results

Of the 29 eligible patients, 15 (52%) were implanted via the CSS approach and 14 (48%) via FS. Preoperative characteristics were similar between cohorts. Overall survival to discharge was 93% for CSS compared to 71% for FS (P = 0.169). The CSS cohort demonstrated fewer postoperative complications, including fewer cases of severe right ventricular failure (P = 0.006) and less blood product utilization (P = 0.015). Median hospital length of stay was significantly shorter for the CSS cohort (median 13 vs 32.5 days, P = 0.016). Neither cohort had any 30-day readmissions.

Conclusions

Early data suggest that the CSS technique is a safe and effective technique for patients with a history of prior sternotomy. Further studies are needed to validate this single-center experience.

Keywords

ventricular assist devices minimally invasive surgery operative surgical procedure adult cardiac

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