Figure Legends
Figure 1. A PRISMA flow chart depicts the process of search and selection of studies.
Figure 2. Forest plots showing: A) pooled 30- day mortality, B) pooled successful device implantation, C) pooled immediate shunt reduction, D) pooled 30-day mortality of primary closure at acute phase.CI: Confidence Interval.
Figure 3. Forest plots of odds ratio: A) cardiogenic shock, B) NYHA class IV, C) time to PIVSD closure, D) defect size.
Figure 4. The Begg’s test: A) 30-day mortality, B) successful device implantation rate.