After 3 months, there was no significant difference between the two implant types with respect to the inflammatory response. The loss of tear strength of the Tutomesh®-tissue-complex at the oesophageal hiatus is probably clinically not relevant and may be explained by the so-called biological remodeling of biological materials. The remodeling depends on the extent of the cross-linking of the respective material. It is expected that biological hernia implants, such as Tutomesh®, may have a marked potential for avoiding complications at the oesophageal hiatus in the long run. This potential cannot be proven after 3 months from our data. Further experimental investigations are necessary to clarify this issue, in particular with respect to the long-term results.
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