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Hungarian Radiology - 2005;79(03)
Content
Hungarian Radiology
JUNE 10, 2005
Hungarian Radiology
JUNE 10, 2005
Hungarian Radiology
JUNE 10, 2005
[Prevention of thrombotic complications in vascular interventional procedures]
[Procedures of vascular interventional radiology is linked inevitably a certain amount of risk of thrombotic complications, like intimal and vascular wall injuries, increased thrombotic risk caused by the catheter itself, etc. The first approach of thrombotic prevention was achieved by acetyl salicylic acid in case of peripheral arteries, this treatment was later replaced by long-term anticoagulation. Opportunities were provided by the recognition of risky blood characteristics in relation to thrombotic complications. Consequently, a well performed preparation and premedication of the patients could reasonably decrease the risk. The most important steps are the cessation of smoking, normalization of hemoconcentration and antithrombotic premedication. Better understanding of the nature of atherosclerotic progression led to the introduction of long-term fibrinolytic inhibition therapy. In the past decades beside patients with vascular stenosis, the oncology patients are also treated by different radiological interventions, like intraarterial chemotherapy and chemoembolization. The use of several-day-long infusion represent a new challenge, the treated vessels, the lumen and the surface of the catheter must be prevented of thrombosis. For this purpose a few suitable drugs can be applied with mild anticoagulant and fibrinolytic stimulating effect. We use the sodium pentosan polysulphate.]
Hungarian Radiology
JUNE 10, 2005
[Comparison of the results of lung helical CT and lung scintigraphy in pulmonary embolism]
[INTRODUCTION - The frequency of the pulmonary embolism is high and the underdiagnosis or delayed recognition of the disease occurs. Recently the helical CT is used to detect pulmonary embolism. The authors compare the results of single-slice spiral thoracic CT and lung scan. PATIENTS AND METHODS - During one year period chest CT examination was performed in 49 patients due to the suspicion of pulmonary embolism, in 30 of them lung scan was also performed. RESULTS - The results of the two diagnostic methods were the same in 21 cases out 30 (in 13/21 cases both methods demonstrated embolism and 8/21 cases the findings were normal). In the remaining nine cases the findings were different. CONCLUSIONS - The lung CT examination is a rapid, non-invasive method to depict the central pulmonary embolism and small infarcts in non fresh cases. The negative result of perfusion lung scan can exclude the pulmonary embolism. If the lung scan demonstrates perfusion defect(s), it is necessary to perform another diagnostic tests (e.g. chest X-ray, ventillation scan). While the lung scan is a cheap, simple method with low radiation dose, it can play important role in the screening.]
Hungarian Radiology
JUNE 10, 2005
[The possibilities of invasive radiological therapy of deep venous thrombosis and in vitro experimental examination of therapeutic factors affecting the treatment]
[INTRODUCTION - The first part of this paper is an overview on the possibilities of invasive radiology treatment of deep venous thrombosis. In the next part an in vitro experiment is described demonstrating the basics of mechanical and pharmaco-mechanical catheters applied in deep venous thrombosis. MATERIALS AND METHODS - The in vitro haemodinamic model of the iliocaval veins contained a thermostat and an engine responsable for pulsing circulation according to the venous system. We tested the chance of driftage of thrombus in different age according to the state of the collateral system. Thrombectomy was made by mechanical (Simpson-catheter) and pharmaco-mechanical (Pulsespray catheter) ways. The weight of the non-drifted thrombi was measured. RESULTS - All the 16 thrombus were flown while collateral system was closed and none of them were flown while the collateral system was open but the rate of their solubility was different. The efficacy of the thrombus-removal by Simpson catheter was better than by Pulse-spray catheter and fresh thrombus-fragments were more soluble than older ones. CONCLUSION - By this in vitro experiment we opened the way for using mechanical and pharmaco-mechanical catheters in deep venous thrombosis.]
Hungarian Radiology
JUNE 10, 2005
[Interventional radiology of multiple biliary stenoses]
[INTRODUCTION - In palliative treatment of malignant bile duct obstruction the endoscopic and the percutaneous methods are the possible options. In multiple lesions the percutaneous method must be preferable. Decrease of the bilirubin level to normal gives an opportunity for further treatment of the oncology patients. CASE REPORT - Authors report three patients’ case history, when following an unsuccessful endoscopic retrograde cholangiopancreatography, percutaneous cholangiography revealed multiple biliary stenoses. In all cases successful stent implantations were performed (three stents in one patient, two stents in two patients). The bilirubin levels decreased rapidly and the quality of life improved in all cases. Following the stent implantation selective cytostatic treatment (one patient) and systemic cytostatic treatment (one patient) were performed. The mean survival time was 300 days. CONCLUSION - In the case of multiple biliary stenoses the percutaneous stent implantation is an acceptable palliative method, which permit the possibilities of further interventional radiological or oncological treatments.]
Hungarian Radiology
JUNE 10, 2005
[A case of gastrointestinal stromal tumor of the small intestine causing gastrointestinal bleeding]
[INTRODUCTION - The neoplastic disease of the small intestine - especially the gastrointestinal stromal tumor - is a rare disease, its diagnostics is not an easy task. CASE REPORT - The authors examined a 71-year-old female patient who presented hematemesis and melena. A small intestine tumor was detected by endoscopy and abdominal computed tomography as the source of gastrointestinal bleeding. Histology proved gastrointestinal stromal tumor. The characteristics of the tumor were reviewed based on the literature. CONCLUSION - Radiological imaging plays a significant role in the diagnosis of gastrointestinal stromal tumors.]
Hungarian Radiology
JUNE 10, 2005
Hungarian Radiology
JUNE 10, 2005
Hungarian Radiology
JUNE 10, 2005
Hungarian Radiology
JUNE 10, 2005
Hungarian Radiology
JUNE 10, 2005
Hungarian Radiology
JUNE 10, 2005
Hungarian Radiology
JUNE 10, 2005
Hungarian Radiology
JUNE 10, 2005
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Clinical Neuroscience
Alexithymia is associated with cognitive impairment in patients with Parkinson’s disease
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