Lege Artis Medicinae

[Commercial science]

NÉMETH Éva

MAY 20, 2001

Lege Artis Medicinae - 2001;11(05)

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[Molecular morphological methods in laboratory medicine]

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[Today, the increasing technical arsenal of molecular morphology has not only methodological importance, but also a revolutionary role in diagnostic laboratory medicine. Techniques previously used only in basic research have become widespread in routine diagnostics by now. The development of methodology for detection of genetic alterations has enabled laboratory tests not only to define disease associated pathobiochemical alterations, but also to identify the genetic background of diseases as well. Evolution of these methods caused qualitative changes not only in detection of disease specific alterations, but also in revealing increased individual susceptibility (sometimes at population level) indicating genetic predisposition to the disease. Recently, the classical methodology based on genetic microscopic morphology has been gradually supplemented or even replaced by different in situ hybridization techniques in many laboratories. Using these techniques chromosomal alterations in cells and tissues (including tumor cells) can be detected within one day (or maximum 1-2 days) without in vitro manipulation of cells. These improved techniques allow us to monitor chromosomal changes after the treatment of genetic diseases or define these alterations induced by environmental exposures.]

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DEMETER Pál, SIKE Róbert, SZÉKELY György, KISS Sándor, SZILVÁS Ágnes

[Ischemic colitis is mainly caused by the impaired circulation of the inferior mesenteric artery. Most frequently it occurs as part of general arteriosclerotic disease or impaired left ventricular function, but it may also occur after abdominal aortic reconstruction. In connection with cocaine users, thrombophylia and vasculitis can also happen among young patients. Colonoscopy plays the most important role in making the diagnosis. In case of transitional ischemia conservative treatment is recommended, but surgery is needed in the progressive gangrenous form or when stricture in the colon developed. Authors describe the case of an 80-year-old man and discuss the etiology, clinical aspects, classical and up-to-date methods of diagnostics and the possibilities of conservative treatment.]

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[INTRODUCTION - Reducing the risk of embolisation during endovascular treatment of internal carotid artery stenosis is very important. The rate of embolisation is affected by the different steps of stenting manipulation. Using transcranial Doppler equipment we studied the embolic signals during the different phases of carotid dilatation and stenting. MATERIAL AND METHOD - 50 patients (33 male, 17 female; mean age 64 years) were intraproceduraly monitorized with transcranial Doppler. Predilatation was necessary in nine cases, postdilatation was performed in 39 cases. The number of emboli were measured in seven different steps of endovascular treatment of carotid stenosis. Different type of commercial available endovascular devices were used. RESULTS - Intraprocedural embolisation was observed in every case. In different phases of carotid stenting the rate of embolisation showed marked differences in each phase of carotid stenting. Crossing the stenosis with stent delivery system were accompanied by a low rate of embolism (5.3) compared to the level during stent opening (9.16) and balloon dilatation (9.96). The highest level of embolisation was observed during predilatation (15.9) without the protection of the stent. CONCLUSIONS - We detected embolisation in all of the cases, however the number of embolic signals varied in different phases of carotid artery stenting. Embolisation can be reduced if the most dangerous steps (i.e. pre- and postdilatation) are avoided. Using TCD monitorisation the physician can be informed by the degree of embolisation that may alarm the interventionalist to perform the procedure more carefully, furthermore it can be employed during the training of carotid stenting.]

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[The authors describe the basic ideas of travel medicine, as a newly introduced interdiscipline of the medical science in Hungary. Recently, this segment is considered to be the part of Insurance Medicine, on the other hand the methods and the practice of the travel medicine is based on the other medical specialities’ knowledge. Due to the growing number of travellers in our country as well as the consequences of the joining Hungary to EU, travel medicine could play an important role in the improvement of the Hungarian travellers’ attitude to their health care status, the prevention against the emerged infectious diseases, and in the medical assistance for the international tourism. Travel medicine also a good guideline for the fit-for-travel considerations, made by the GPs. Hungary with its advantageous geographical position appears to be an excellent stopover for any medical evacuation from East European or other surrounding countries. That is why we would like to establish a first travel medicine facility in central Europe. It is expectable that the Hungarian travellers require more and more information regarding to their health care possibilities and prevention during their trip. The first authentic person is being asked by the patients’ are GPs. The GP’s tasks are: diagnosis and the treatment of travel related diseases, the pre-travel advices. All the mentioned factors are a new challenge for the GPs in Hungary.]