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  • Title: Early and mid-term clinical experience with extracellular matrix scaffold for congenital cardiac and vascular reconstructive surgery: a multicentric Italian study.
    Author: Padalino MA, Quarti A, Angeli E, Frigo AC, Vida VL, Pozzi M, Gargiulo G, Stellin G.
    Journal: Interact Cardiovasc Thorac Surg; 2015 Jul; 21(1):40-9; discussion 49. PubMed ID: 25888340.
    Abstract:
    OBJECTIVES: The aim of this multicentric study was to outline surgical indications and evaluate mid-term outcomes of porcine extracellular matrix (ECM) in surgery for congenital heart disease (CHD). METHODS: The use of ECM was categorized into four major groups: A, valve repair; B, septal reconstruction; C, arterial plasty; D, other use. Primary endpoints of analysis were reintervention (either surgical or interventional) when related to ECM, and functional ECM failure. Secondary endpoints were evidence of calcification and of persistent inflammation at follow-up. RESULTS: One hundred and three patients (M/F = 61/42, median age 19.7 months, 1 day-62 years) underwent surgical repair for CHD. Among ECM use categories, 38 patients were in Group A, 16 in Group B, 71 in Group C and 7 in Group D. There were neither complications nor deaths related to ECM. At a median follow-up of 23.3 months (0.3-55.2), 19 patients underwent reoperation (ECM-related in 6); 11 patients underwent interventional cardiology procedures (ECM-related in 8). Reinterventions were significantly more frequent on the aortic valve (surgical, P = 0.0056) and pulmonary arteries (interventional, P = 0.0159). In addition, interventional procedures on pulmonary arteries were significantly more frequent in infants <12 months (P = 0.0474). No calcifications were detected. CONCLUSIONS: Surgical use of ECM in CHD repair is characterized by a suboptimal functional late performance on reconstruction of valve leaflet or pulmonary artery wall. Longer follow-up and larger clinical experience may support these preliminary results on mid-term outcomes, so as to assess the optimal indication for an ECM graft.
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