Bi Jiachen,Chen Xinxin.Characteristics and applications of different types of valvular conduits from right ventricle to pulmonary artery during complex right ventricular outflow tract reconstruction[J].Journal of Clinical Pediatric Surgery,,():806-814.[doi:10.3760/cma.j.cn101785-202506060-002]
Characteristics and applications of different types of valvular conduits from right ventricle to pulmonary artery during complex right ventricular outflow tract reconstruction
- Keywords:
- Pulmonary Valve; Heart Diseases; Ventricular Dysfunction; Right; Anesthesia; Cardiac Procedures; Child
- Abstract:
- Biological and artificial conduits serve as indispensable materials for complex reconstruction of right ventricular outflow tract.An optimal conduit must exhibit superior hemodynamic performance and durability, ready availability, minimal surgical complexity, low anticoagulation requirements and growth potential commensurate with somatic development.A functionally integral valve within conduit is paramount for sustaining ideal hemodynamics, preserving right ventricular function and enhancing long-term clinical outcomes.Historically and presently employed conduits include Dacron grafts with porcine aortic valves, homografts, bovine jugular vein conduits, bioprosthetic and mechanical valves, ePTFE/Dacron conduits incorporating ePTFE valves, transcatheter pulmonary valves and autologous right atrial appendage-constructed valves.No consensus exists as to a singular "optimal material." Homografts, bovine jugular vein conduits and valved ePTFE conduits have demonstrated extensive clinical utilization, accruing substantial empirical evidence.Transcatheter pulmonary valves and autologous appendage-derived valves, as emerging innovations, command greater clinical attention.Prudent material selection diminishes operative risk, reduces reintervention frequency and maximizes patient benefits-a decision contingent upon multidisciplinary team’s expertise and philosophical approaches.Standardized protocols for material selection and implantation techniques demand urgent establishment through Chinese expert consensus or guidelines.This review summarized historical and contemporary characteristics and applications of valved conduits for RVOT reconstruction, advocating for standardized, individualized and regulated approaches in conduit selection and implementation.
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Memo
收稿日期:2025-6-30。
基金项目:广州市科技计划项目(2024A03J1165)
通讯作者:陈欣欣, Email: zingerchen@163.com