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Background and Aims: Since the 1980s the group of people surviving with the aid of artificial respiration has expanded. So far, however, no information centre for such persons exists in Germany. Likewise, peer counselling is not a widely accepted method of allocating responsibility to afflicted persons. The task of an information centre would be to provide peer counselors who would advise people on artificial respiration., Patients and Methods: Interviews with subjects and their relatives regarding the various aspects of artificial respiration., Conclusion: The foundation of such a counselling centre is recommended on account of the present need for a national information exchange and contact centre.

A loss of the circadian rhythm pattern of blood pressure (BP) and heart rate, as well as the development of hypertension have been found after heart transplantation (Htx). To study whether a return of this rhythm occurs in the long-term after Htx, we used 24-h ambulatory monitoring to study 62 patients 5 days to 6.5 years after Htx. Patients were divided into two groups (Group 1: less than 6 months after Htx (n = 30), Group 2: 6 months or more after Htx (n = 32)). Group 2 had a higher BP and heart rate, as well as a significantly higher difference between systolic day and systolic night BP than group 1. There was also a significantly higher difference in heart rate between day and night values in group 2. The return of the circadian rhythm pattern in the longer term after heart transplantation may result from partial reinnervation of the heart, although other neurohumoral factors or concomitant medication may play a role.

Transcutaneous oxygen pressure (tcPO2) on the dorsum of the foot and Doppler ankle/arm pressure ratio (AAR) were measured in nine patients with peripheral arterial occlusive disease (PAOD)-stage IIb-III during treadmill exercise before and after (two days and one month) atherectomy. These parameters were compared with nine normal controls and nine PAOD I-IIa patients without atherectomy. All patients with atherectomy showed an increase in their pain free walking distance, and, both two days and one month after the intervention, a significant (p less than 0.05) increase in their exercise/rest tcPO2 ratio (pre-atherectomy: 25% (12-81), two days after: 78% (49-92), one month after: 85% (81-92). AAR displays a significant increase only between pre- and two days after atherectomy, without further significant improvement after one month. We conclude that tcPO2 measurement is an adequate measurement for follow-up studies in patients with PAOD after invasive therapeutic interventions. Furthermore, these data suggest that, while the maximum improvement for the macrocirculation (AAR) occurs shortly after atherectomy, improvement of the microcirculation (tcPO2) is delayed for a prolonged period after revascularization of major arteries, possibly due to reperfusion injury.