Research Article

One-Year Mortality in Patients Undergoing Transcatheter Aortic Valve Replacement for Stenotic Bicuspid versus Tricuspid Aortic Valves: A Meta-Analysis and Meta-Regression

Table 2

Short-term outcomes after TAVR for patients with bicuspid versus tricuspid (Reference) aortic valves.

Short-term outcomeProportion of patients in the BAV groupProportion of patients in the TAV groupRelative Risk or Standardized Mean DifferenceEstimate95 Confidence IntervalHeterogenicityā€‰
I2()

Moderate-severe prosthetic valve regurgitation61/55980/1560RR1.541.07-2.220

Device success624/7212961/3169RR0.620.45-0.840

Composite Safety11/49113/531RR1.10.64-1.910

Mean Aortic Gradient7213169SMD0.03-0.08-0.1511.9

Acute Kidney Injury18/683165/1812RR0.240.059-2.2518.4

Permanent Pacemaker Implantation121/721787/3169RR0.940.71-1.2532.6

BAV = bicuspid aortic valve; TAV = tricuspid aortic valve; RR = Relative Risk; SMD = Standardized Mean Difference.