Biomedical subjects

U Aichinger

Publications and source records attributed to U Aichinger.

21 records · Page 2Linked to original sources

PubMed1992

[Is the use of hyperosmolar oral contrast media still justifiable today?].

The application of oral hyperosmolar contrast media, as they are used for the control of anastomoses after operations on the upper intestinal tract and for the diagnosis of ileus, is still controversial today because of possible side effects. We examined 53 patients postoperatively, after abdominal operations and within the framework of the diagnosis of ileus, to find out whether there were any problems with the fluid and electrolyte balance, and whether side-effects such as nausea, vomiting, pain and diarrhoea were still tolerable. The patients did not classify their subjective complaints as very serious. None of our patients showed clinically manifest disorders of the fluid and electrolyte balance. The increased frequency of bowel movement, caused by the contrast agent, was required for the treatment of postoperative bowel atonia and the condition of ileus or sub-ileus, if present. We still think the application of hyperosmolar contrast media can be justified, and hence we restrict the use of the much more expensive iso-osmolar contrast agents to patients who are at risk in respect to aspiration and unfit to cooperate.

Abdomen↗

PubMed1990

[Adaptability of fine-needle biopsy for preoperative and postoperative studies in femoro-crural vascular reconstruction].

During two years we performed 199 pre- and postoperative angiograms on 99 patients with femoro-crural reconstruction. 133 of these were by FNP. In 4.2% of postoperative FNPs (fully anticoagulated patients), there was significant bleeding from the puncture or the operative scar. It was not necessary to reoperate on any bypasses and there were no late complications. As regards the demonstration of the calf vessels. FNP proved itself superior as a pre- and postoperative method. Because of the rapidity of the method, the small amount of contrast required and the minimal trauma, FNP is the method of choice for pre- and post-operative studies of the calf vessels for femoro-crural reconstructions.

Angiography, Digital Subtraction↗

PubMedDate not supplied

Clinical value of MRC in the follow-up of liver transplant patients with a choledochojejunostomy.

BACKGROUND: We investigated the clinical value of magnetic resonance cholangiography (MRC) in liver transplant patients receiving choledochojejunostomy (CDJ). METHODS: Twenty-five MRCs were performed in 23 initially asymptomatic patients 19 months (mean) after liver transplantation with biliary reconstruction via CDJ. The images were evaluated by consensus (two investigators) for bile duct strictures and dilatations. As a standard of reference, clinical follow-up (including laboratory analysis) was used in 20 cases and direct cholangiography or surgery in three cases. RESULTS: Fourteen pathologic findings were observed in 11 patients (anastomotic strictures in four, left or right bile duct strictures in three, and peripheral segmental dilatations with or without strictures in seven). Patients with pathologic MRC findings had significantly higher levels of alkaline phosphatase (p < 0.05) and more frequently had histories of cholangitis than did patients with normal MRC. Four of six patients with stenoses of the central bile ducts subsequently developed biliary complications requiring treatment (three confirmed by direct cholangiography). In patients with unremarkable bile ducts or only peripherally located changes on MRC, no bile duct complications or relevant changes in the cholestasis parameters occurred during follow-up (mean = 30 months). CONCLUSION: MRC can noninvasively detect pathologic biliary tract changes in liver transplant patients in the asymptomatic stage and provide information for planning invasive therapeutic procedures.

Adult↗