[Ultrasonics as an aid in the diagnosis of a case of chronic diarrhea].
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Biomedical subjects
Publications and source records attributed to G Antes.
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The radiologic findings on small bowel enema examination using barium and methylcellulose (SBE + Ba + MC) in a patient with Whipple's disease before and after treatment are described. The changes on SBE + Ba + MC corresponded well to the clinical and morphologic picture. The advantages of this double contrast technique compared to the enteroclysis with barium alone are demonstrated. The SBE + Ba + MC is a good method to demonstrate the manifestations of Whipple's disease involving the small bowel and the mesentery.
A modified technique of the small bowel enema is described. Diluted barium followed by an aqueous suspension of 0.5% methylcellulose is injected through a duodenal tube. Pathologic findings can be better recognized by the resulting double-contrast images than by other techniques. A detailed description of this method, and of our own experience, is given.
It has been shown in an animal experiment that alterations of the renal vasculature and parenchyma after hemostasis performed by Infrared-Contact-Coagulation are best shown by intravital magnification angiography (magnification factor 2.22). Following pole resection and hemostasis the final morphologic state is reached 6 weeks postoperatively. The resulting scar penetrates into the parenchyma up to 1 cm. The loss of function corresponds to the parenchymal defect. There was no additional loss of renal function or damage to the parenchyma on nuclear medicine or histologic examinations.
Seven patients had a percutaneous transluminal removal of catheter fragments using a Dormier stone-basket within the last 14 months. An immediate intervention should be performed because serious complications are expected from catheter embolization. The percutaneous transluminal catheter retrieval as a method of low risk and of little discomfort to the patient should always precede surgical procedures. The Dormier-basket proved to be a successful and easy handling catheter instrument in all our cases.
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Investigations on hemostasis with the infrared contact coagulator (ICC) after renal pole resections in dogs with and without clamping of the renal vessels are reported. Clamping the renal vessels led to less bleeding, but the coagulation time was distinctly prolonged. In addition the use of ICC in renal pole amputations in humans is described in two cases of urogenital tuberculosis. In both cases we were able to stop the bleeding quickly and satisfactorily without clamping the renal vessels. The results of animal experiments and the significance of using the ICC in man are discussed.
Sarcomas of the small bowel are rare and particularly unusual to originate within the Meckel's or jejunal diverticula. We report two cases of malignant tumors involving neural or muscular fibers in the wall of small bowel diverticula, and briefly review the pertinent literature.
OBJECTIVE: We examined the evidence of systematic reviews in the Cochrane Library on interventions that influence the duration of labor. MATERIAL AND METHODS: Of the 208 Cochrane Pregnancy and Childbirth systematic reviews, 69 deal with labor and birth of which 20 address the effect of intrapartum interventions. We analyzed the reviews with respect to those interventions that affected the duration of birth. RESULTS: Six reviews, related to 5 interventions (amniotomy, epidural analgesia, continuous support, amnioinfusion, and maternal position), reported a significant effect on the duration of labor. Six found no significant effect on labor duration. The remaining eight reviews did not assess the effect of the intervention on labor duration. DISCUSSION: Interventions that have a significant influence on labor duration may interact with each other. Therefore, perinatal databases should ascertain not only if but also when an intervention has been performed.