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The utility of bioprosthetic heart valves (BHVs) is limited to certain patient populations because of their poor durability compared to mechanical prosthetic valves. Histological analysis of failed porcine BHVs suggests that degeneration of the tissue extracellular matrix (ECM), specifically the loss of proteoglycans and their glycosaminoglycans (GAGs), may lead to impaired mechanical performance,...
Objective
Previous studies have neither explored the usage of cross‐links nor investigated the optimal position of the cross‐links in posterior lumbar interbody fusion (PLIF). This study evaluates biomechanical properties of cross‐links in terms of different fixation segments and optimal position in single‐ and multi‐segment posterior lumbar interbody fusion.
Methods
Two finite element (FE) models...
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