PBPVPercutaneous Balloon Pulmonary Valvuloplasty
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first reported PBPV as a new method for treating PVS in 1982.[4] Tynan et al.
The main findings of this study indicate that PBPV is effective in the short- and medium-term follow-up with regard to safety and feasibility, as demonstrated by the immediate success rate of 92% and occurrence of restenosis in only 6.4% of cases.
PBPV can achieve satisfactory outcomes by relieving obstruction.
Similar to the results of our study, previous studies have reported the immediate effectiveness and safety of PBPV for different age groups.[13],[14],[16],[17],[18],[19],[20],[21],[22],[23],[24] Merino-Ingelmo et al.
For infants receiving PBPV, complications related to procedural mechanical injuries are markedly higher compared to the elder group, including damage to myocardium, perforation of the cardiac chamber,[16] rupture of the chordae tendineae, and other mild complications such as vascular injuries.
For those with isolated dome-shaped PVS,[26] PBPV is recommended, as it is safe and minimally invasive.
To ensure the success of PBPV, it is crucial to select appropriate balloons.
Thus, the risk of RV dysfunction caused by massive regurgitation is probable in the future despite the advantage of a lower residual pressure gradient.[29] Reoperation will encounter more problems including tissue adhesion, while PBPV can be repeated several times in the same patient.
concluded that PBPV was suboptimal for dysplastic valve PVS.[30] PVS with valve dysplasia requires surgical valvotomy to reconstruct the valve and thoroughly relieve the obstruction.
Valvular PS, excluding severe infundibula stenosis, may be a good candidate for PBPV. In addition, which procedure should be performed first is controversial.