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Aims: E-health-based technologies also play an increasing role in the collection of patient- reported outcomes (ePRO). However, it remains unclear how feasible and powerful e-health applications are in the collection of PRO. Therefore, it should be examined to what extent the requirements for the use of technology-based PRO instruments has already been explored in order to allow its broad use in the "e-health world". Specifically, the research focus is on practicability, capability and technical implementation of ePRO. The design of the basic legal requirements for the conduct of PRO interviews and how the challenges of ePRO have already been harmonized here need to be examined.Methods Literature study: selective literature research in Pubmed as well as in the databases of DIMDI, G-BA, FDA and EMA., Results: Current scientific knowledge about hurdles, acceptance and usefulness in relation to sociodemografic factors, health status and technical skills as well as about technical implementation is low. The legal standards for ePRO are restricted only to the composition of the survey instrument and methodology quality criteria. There are no prerequisites for a broad use of ePRO, which is why therapeutic measures should not be based on them., Conclusion: The standards of the legislators must be specified and adapted to the requirements of ePRO. Because the design of the tool surface and the rate of usability can influence the response behavior of the patients, the focus should be on the reliability and validity of ePRO surveys in the context of their implementation in relation to the patients, disease, questionnaire and ePRO-specific variables, which determine the response behavior, in order not to endanger the meaningfulness of PRO surveys., Competing Interests: Die Autoren geben an, dass kein Interessenkonflikt besteht., (© Georg Thieme Verlag KG Stuttgart · New York.)

In meniscus replacement procedures anatomically correct fixation of the graft is one of the prerequisites for a successful outcome. An anatomical cadaver study was carried out to identify the insertion areas in the femur and tibia as well as the peripheral meniscus length. Ninety-two fresh knees from 46 human donors were included. The tibial insertions of the medial meniscus could be defined by bony landmarks. The peripheral length was 111 +/- 11 mm for the medial and 110 +/- 13 mm for the lateral meniscus. Wrisberg's ligament was present in 76% of all knee specimens and Humphry's ligament could be found in 50%. The correlation between the right and left knee in the same individual was poor concerning the presence of the meniscofemoral ligaments and the size of the tibial meniscal insertions to bone.