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Orv Hetil. 2009 Jan 18;150(3):99-108. doi: 10.1556/OH.2009.28542.

[Travel thrombosis, 2008].

[Article in Hungarian]

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Semmelweis Egyetem, Altalános Orvostudományi Kar II. Sebészeti Klinika Budapest Kútvölgyi út 4. 1125.


In Hungary, the first studies on travel thrombosis were published at the beginning of the 2000s. In this paper recent investigational results of this special type of venous thrombosis have been reviewed. Travel thrombosis is a subgroup of sitting thromboses. It is a consequence of prolonged sitting which is common of ground transportation and air travel. More and more computer-linked sitting thromboses have been observed as well. Long-haul air travel related venous thrombosis is a multifactorial disease. Possible contributory risk factors are in connection with the milieu of the cabin. Various investigations evaluated the effect of immobilization and hypobaric hypoxia on thrombin generation and fibrinolysis. The studies differed much in participants' characteristics, duration and type of exposure and statistical analysis, so the results are contradictory. Personal, traveller-related risk factors may be regarded as triggers. The presently available evidences do not permit to assess the exact actual risk. For healthy young passengers there seem to be low risk. However, passengers suffering from predisposing factors for venous thromboembolism can be exposed to serious hazards, if they fly more than 5000 km or travel more than 8 hours. Proper safety measures are summarized on the basis of recent international recommendations.

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