Limitations
This study has several limitations, including that it is single center
and retrospective. The design also entails a selection bias because the
surgeon made the final decision about whether to proceed with the
Bentall or Tirone procedure. Another limitation is the missing
conversion rate to classical Bentall after a failed Tirone attempt.
AVSRR: Aortic valve-sparing root replacement
BAV: Bicuspid aortic valve
CI: Confidence interval
TEE: Transesophageal echography
TTE: Transthoracic echography