Though the data are still sparse, the high reported rates of limb preservation imply that peripheral revascularization techniques can play a major role in the treatment of chronic critical limb ischemia (CLI). Therefore, these techniques are recommended without exception by the current guidelines.

In various medical subspecialties like angiology, invasive diagnostic procedures and elective therapy, which under certain conditions may be carried out on outpatients, represent a large proportion of all inpatient medical treatment. As regulations for the statutory health insurance in Germany demand that medical procedures should be preferentially carried out in outpatient facilities, there is a high potential for conflicting views with respect to the question whether hospitalisation of an individual patient is mandatory for medical reasons. Explicit criteria may be useful to prevent conflicting views and to increase truth and fairness in the proceedings of hospitals on one hand and the medical service of the statutory health insurance on the other hand. With respect to this problem we present decision criteria which were compiled by a hospital (Hochrhein-Eggberg-Klinik Bad Säckingen) and the medical service of the statutory health insurance in the state of Baden-Württemberg (MDK-Baden-Württemberg). Our model has proven to be of value in our practical experience. It seems to be transferable to medical subspecialties with similar problems.

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SummaryA new micro test for the determination of the P &P-test, and the factors II, V, and VII is described. The advantage of the new test is the possibility to discontinue the separation of the erythrocytes and the plasma. It only presumes the determination of the patient’s haematocrit, which is considered in the dilution of the blood sample. The results are not influenced by different haematocrits. They give excellent information on normal and pathologic coagulation activities, what is shown in three different groups of patients varying with respect to their age and partially receiving phenprocoumarol.

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