“…Therefore, improvements in PCL structural fabrication, the implementation of textile‐reinforcement strategies as well as more intense and valve‐specific mechanical tests are strongly required (Nottelet et al ., ; Gaumer et al ., ; Wang et al ., ; Sant and Khademhosseini, ; Baker et al ., ; Peroglio et al ., ; Sarkar et al ., ; Koch et al ., ; Eshraghi and Das, ; Lebourg et al ., ). Although PCL fabrication can undoubtedly be enhanced, the appropriateness of PCL, especially for valvular TE, has to be questioned and alternative biodegradable scaffold materials, such as polyglycolide, polylactide, polyhydroxybutyrate, polydioxanone, polyesteramide or polyurethane, need to be tested (Klopsch and Steinhoff, ).…”