Improved right ventricular outflow tract function in patients with Tetralogy of Fallot after infundibular sparing compared to transventricular repair
Shiraz Maskatia, Mary K Olive, Nicholas A Dodd, Rajesh Krishnamurthy, Charles D Fraser, Emmett D McKenzie, James M Hammel, Shelby Kutty
Abstract
The right ventricular infundibular sparing approach (RVIS) to repair tetralogy of Fallot (TOF) avoids a ventricular incision used in the transventricular (TV) approach. Recent data has demonstrated better global right ventricular systolic function in patients who underwent RVIS compared to those who had a TV repair, however the impact of surgical strategy on RV infundibular size and function is not specifically known. We hypothesized that patients repaired with the RVIS approach have improved RV outflow tract ejection fraction (RVOTEF) and have lower RV outflow tract volumes as assessed by car
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