R A Niekel

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Nausea and vomiting are common problems of pregnancy. Three pregnant women, 27, 25 and 28 years of age, presented with vomiting in the third trimester. The causes appeared to be maternal small bowel volvulus, which was derotated after primary caesarean section, an ileocecal abscess, which was the first manifestation of Crohn's disease, and acute(More)
Acute appendicitis never was a radiologically established diagnosis. A study on sonography in acute appendicitis was published recently in which in 89% of cases the inflamed appendix could be demonstrated by ultrasound, utilising 5 and 7.5 MHz intraoperative linear array transducers. Our study was started to evaluate the possibilities of a standard 7.5 MHz(More)
During the past 24 months, 19 infrainguinal bypass graft occlusions occurring in 17 patients were treated with local infusions of streptokinase. The treated grafts included three venous femorocrural grafts and four venous and 13 Goretex femoropopliteal grafts. Infusion managed to restore flow completely in 10 grafts. Partial clot lysis occurred in three and(More)
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