{"id":5763,"date":"2013-06-05T12:50:00","date_gmt":"2013-06-05T11:50:00","guid":{"rendered":"http:\/\/www.rontgen.com\/wp-doctor\/?p=5763"},"modified":"2013-06-20T12:54:13","modified_gmt":"2013-06-20T11:54:13","slug":"varfor-blodprov-lang-och-vikt-innan-ct","status":"publish","type":"post","link":"https:\/\/www.rontgen.com\/wp-doctor\/varfor-blodprov-lang-och-vikt-innan-ct","title":{"rendered":"Varf\u00f6r blodprov, l\u00e4ng och vikt innan CT"},"content":{"rendered":"<p><img loading=\"lazy\" decoding=\"async\" class=\"alignleft size-full wp-image-81\" style=\"border: 0pt none;\" alt=\"Fr\u00e5ga\" src=\"https:\/\/www.rontgen.com\/wp-doctor\/wp-content\/uploads\/2008\/12\/icon_mini_faq.gif\" width=\"12\" height=\"13\" \/>Jag ska g\u00f6ra en andra ct r\u00f6ntgen av lungan i november. Nu ska jag l\u00e4mna ett kreatinin prov plus l\u00e4ngd och vikt inf\u00f6r ct r\u00f6ntgen. Varf\u00f6r m\u00e5ste jag det?<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignleft size-full wp-image-85\" style=\"border: 0pt none;\" alt=\"Svar\" src=\"https:\/\/www.rontgen.com\/wp-doctor\/wp-content\/uploads\/2008\/12\/icon_mini_register.gif\" width=\"12\" height=\"13\" \/>Om man ska genomg\u00e5 en unders\u00f6kning med datortomografi (CT) d\u00e4r kontrastmedel (jod) ska eller antas ska injiceras i blodet m\u00e5ste ett blodv\u00e4rde (kreatinin) p\u00e5 njurarnas funktion och kondition tas innan unders\u00f6kningen.<br \/>\nDetta f\u00f6r att avg\u00f6ra njurarnas kapacitet att uts\u00f6ndra kontrasten efter unders\u00f6kningen. Dvs. du kissar ut kontrastmedlet efter\u00e5t. Det \u00e4r d\u00e4rf\u00f6r viktigt att dricka mycket efter en unders\u00f6kning med kontrast till blodet f\u00f6r att kissa ut denna.<\/p>\n<p>Med hj\u00e4lp av <em>kreatininv\u00e4rdet, l\u00e4ngd och vikt<\/em> f\u00e5r man fram ett sifferv\u00e4rde (GFR-v\u00e4rde) som avg\u00f6r om samt hur mycket kontrast man kan\/ska ge vid unders\u00f6kning med CT&#8217;n av olika organ i kroppen (lungor, buk, njurar, etc).<br \/>\nF\u00e5r man ett l\u00e5gt GFR-v\u00e4rde (&lt;50) kan man \u00f6verv\u00e4ga att injicera mindre kontrast eller g\u00f6ra unders\u00f6kningen helt utan kontrastmedel f\u00f6r att &#8221;skona&#8221; njurarna. Man b\u00f6r \u00e4ven \u00f6verv\u00e4ga att g\u00f6ra unders\u00f6kningen med annan teknik (ultraljud, MR, etc.), utan behov av kontrastinjektion, om s\u00e5dan alternativ finnes.<\/p>\n<p>Normalt sett vill vi att detta blodprov ska vara aktuellt och d\u00e4rf\u00f6r taget t\u00e4tt inp\u00e5 unders\u00f6kningsdagen. 3 m\u00e5nader gammalt prov brukar vi accepterar om inte patienten \u00e4r\u00a0 diabetiker eller har k\u00e4nd d\u00e5lig njurfunktion d\u00e4r provet d\u00e5 f\u00e5r vara h\u00f6gsta 1 vecka gammalt. Vid akuta unders\u00f6kningar ska detta prov vara taget samma dag.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignleft size-full wp-image-83\" style=\"border: 0pt none;\" alt=\"Svarat av\" src=\"https:\/\/www.rontgen.com\/wp-doctor\/wp-content\/uploads\/2008\/12\/icon_mini_profile.gif\" width=\"12\" height=\"13\" \/>K.T. rtgssk<br \/>\nR\u00f6ntgen Helsingborg<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Jag ska g\u00f6ra en andra ct r\u00f6ntgen av lungan i november. Nu ska [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[6],"tags":[142,143],"class_list":["post-5763","post","type-post","status-publish","format-standard","hentry","category-ct","tag-ct","tag-forberedelser"],"_links":{"self":[{"href":"https:\/\/www.rontgen.com\/wp-doctor\/wp-json\/wp\/v2\/posts\/5763","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.rontgen.com\/wp-doctor\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.rontgen.com\/wp-doctor\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.rontgen.com\/wp-doctor\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.rontgen.com\/wp-doctor\/wp-json\/wp\/v2\/comments?post=5763"}],"version-history":[{"count":0,"href":"https:\/\/www.rontgen.com\/wp-doctor\/wp-json\/wp\/v2\/posts\/5763\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.rontgen.com\/wp-doctor\/wp-json\/wp\/v2\/media?parent=5763"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.rontgen.com\/wp-doctor\/wp-json\/wp\/v2\/categories?post=5763"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.rontgen.com\/wp-doctor\/wp-json\/wp\/v2\/tags?post=5763"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}