{"id":131618,"date":"2023-06-07T08:30:26","date_gmt":"2023-06-07T08:30:26","guid":{"rendered":"https:\/\/ccs.ca\/?post_type=guideline&p=131618"},"modified":"2023-06-07T08:30:43","modified_gmt":"2023-06-07T08:30:43","slug":"chapter-10-flying-dvt-prophylaxis","status":"publish","type":"guideline","link":"https:\/\/ccs.ca\/guideline\/drive-and-fly-2003\/chapter-10-flying-dvt-prophylaxis\/","title":{"rendered":"10. Flying: DVT Prophylaxis"},"content":{"rendered":"
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\n <\/i>\n <\/div>\n
\n

Recommendation for DVT Prophylaxis with Long-duration Air Travel*<\/p>

    \n
  • Flight < 12 h – all travellers<\/strong>
    \nAvoid stasis, move around cabin, isometric calf exercises. Avoid dehydration, alcohol and caffeinated drinks.<\/li>\n
  • Flight \u2265 12 h – low risk<\/strong>
    \nAvoid stasis, move around cabin, isometric calf exercises. Avoid dehydration, alcohol and caffeinated drinks.<\/li>\n
  • Flight \u2265 12 h – moderate risk**<\/strong>
    \nAvoid stasis, move around cabin, isometric calf exercises. Avoid dehydration, alcohol and caffeinated drinks.
    \nBelow knee graduated pressure stockings; if elastic stockings not used, ASA 160 mg to 325 mg 4 h before flight (data for efficacy of ASA is inconclusive).<\/li>\n
  • Flight \u2265 12 h – high risk***<\/strong>
    \nAvoid stasis, move around cabin, isometric calf exercises. Avoid dehydration, alcohol and caffeinated drinks.
    \nBelow knee graduated pressure stockings; if elastic stockings not used, low molecular weight heparin (4000 to 5000 anti-Xa units subcutaneously) 2 h before flight.<\/li>\n<\/ul>\n <\/div>\n <\/div>\n<\/div>\n\n\n\n

    * Literature supports 12 hours as threshold for risk of developing thromboembolism but many would consider 9 hours long haul.<\/p>\n\n\n\n

    ** Moderate risk: healthy people age > 75, women > 45 taking estrogen containing hormone replacement therapy, pregnant and postpartum women, people up to age 45 who are heterozygous carriers of mutations for Factor V Leiden and Prothrombin gene mutation, varicose veins, heart failure, myocardial infarction within previous 6 weeks, recent lower limb trauma within 6 weeks.<\/p>\n\n\n\n

    *** High risk: history of previous VTE, recent major surgery (within 6 weeks), active malignancy, gross obesity or marked immobility due to neuromuscular or cardiorespiratory disease, people age >45 with deficiencies of antithrombin, protein C or protein S, people age >75 with cardiac or pulmonary disease (8,9).<\/p>\n","protected":false},"featured_media":0,"parent":131566,"menu_order":9,"template":"guideline-chapter.php","topic":[],"resource_type":[],"acf":[],"yoast_head":"\n10. Flying: DVT Prophylaxis - Canadian Cardiovascular Society<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/ccs.ca\/guideline\/drive-and-fly-2003\/chapter-10-flying-dvt-prophylaxis\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"10. 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