{"id":76820,"date":"2025-04-20T00:14:41","date_gmt":"2025-04-19T22:14:41","guid":{"rendered":"https:\/\/www.infokuryr.cz\/n\/?p=76820"},"modified":"2025-04-19T11:33:19","modified_gmt":"2025-04-19T09:33:19","slug":"ct-vysetreni-zvysuje-riziko-rakoviny","status":"publish","type":"post","link":"https:\/\/www.infokuryr.cz\/n\/2025\/04\/20\/ct-vysetreni-zvysuje-riziko-rakoviny\/","title":{"rendered":"CT vy\u0161et\u0159en\u00ed zvy\u0161uje riziko rakoviny"},"content":{"rendered":"<div id=\"fb-root\"><\/div>\n<p><strong><span>I kdy\u017e jsou po\u010d\u00edta\u010dov\u00e1 tomografie (CT) n\u011bkdy d\u016fle\u017eit\u00e1, p\u0159in\u00e1\u0161ej\u00ed tak\u00e9 zdravotn\u00ed rizika. Podle nov\u011b publikovan\u00e9 studie CT vy\u0161et\u0159en\u00ed zvy\u0161uje riziko rakoviny kv\u016fli intenzit\u011b z\u00e1\u0159en\u00ed. Temn\u00e1 str\u00e1nka \u010dasto \u017eivot zachra\u0148uj\u00edc\u00edch technologi\u00ed.<\/span><\/strong><\/p>\n<p><span>Sotva jak\u00e1koliv jin\u00e1 technologie zp\u016fsobila revoluci v mo\u017enostech l\u00e9ka\u0159sk\u00e9 l\u00e9\u010dby tolik jako po\u010d\u00edta\u010dov\u00e1 tomografie. Poskytuje rychl\u00e9 a detailn\u00ed sn\u00edmky vnit\u0159ku t\u011bla a hraje \u017eivot zachra\u0148uj\u00edc\u00ed roli p\u0159i ozna\u010dov\u00e1n\u00ed traumat, mrtvice a rakoviny. Ionizovan\u00e9 z\u00e1\u0159en\u00ed z t\u011bchto za\u0159\u00edzen\u00ed v\u0161ak m\u016f\u017ee zp\u016fsobit po\u0161kozen\u00ed DNA a v\u00e9st tak ke vzniku rakoviny.<\/span><\/p>\n<p><span>Ameri\u010dt\u00ed v\u011bdci ve sv\u00e9 studii nazvan\u00e9 \u201e\u00a0<\/span><a href=\"https:\/\/jamanetwork.com\/journals\/jamainternalmedicine\/fullarticle\/2832778#google_vignette\"><span>Projektovan\u00e1 celo\u017eivotn\u00ed rizika rakoviny ze sou\u010dasn\u00e9ho zobrazov\u00e1n\u00ed pomoc\u00ed po\u010d\u00edta\u010dov\u00e9 tomografie<\/span><\/a><span>\u00a0\u201c u\u010dinili znepokojiv\u00e9 zji\u0161t\u011bn\u00ed na z\u00e1klad\u011b existuj\u00edc\u00edch \u00fadaj\u016f ze 121 000 takov\u00fdch CT sken\u016f ze 143 nemocnic ve 20 st\u00e1tech. Pomoc\u00ed modelovac\u00edho softwaru RadRAT od National Cancer Institute v\u011bdci odhadli d\u00e1vky z\u00e1\u0159en\u00ed specifick\u00e9 pro org\u00e1ny a p\u0159edpov\u011bd\u011bli celo\u017eivotn\u00ed rizika rakoviny pro r\u016fzn\u00e9 v\u011bkov\u00e9 skupiny, pohlav\u00ed a skupiny typu skenov\u00e1n\u00ed. Do\u0161li k z\u00e1v\u011bru, \u017ee jen 93 milion\u016f CT vy\u0161et\u0159en\u00ed u v\u00edce ne\u017e 61 milion\u016f pacient\u016f by mohlo v nadch\u00e1zej\u00edc\u00edch letech v\u00e9st k v\u00edce ne\u017e 100 000 dal\u0161\u00edm p\u0159\u00edpad\u016fm rakoviny vyvolan\u00e9 z\u00e1\u0159en\u00edm.<\/span><\/p>\n<p><span>Uv\u00e1\u017e\u00edme-li, \u017ee v N\u011bmecku se prov\u00e1d\u00ed p\u0159ibli\u017en\u011b 13,5 milionu takov\u00fdch CT sken\u016f a v Rakousku asi 1,5 milionu, je z\u0159ejm\u00e9, \u017ee zde vznik\u00e1 tak\u00e9 nezanedbateln\u00fd po\u010det p\u0159\u00edpad\u016f rakoviny, kter\u00fdm lze potenci\u00e1ln\u011b p\u0159edch\u00e1zet. Po\u010det CT vy\u0161et\u0159en\u00ed na 1 000 obyvatel ve Spojen\u00fdch st\u00e1tech je v\u0161ak 278, co\u017e je v\u00fdrazn\u011b v\u00edce ne\u017e \u00fadaje pro N\u011bmecko a Rakousko (asi 160). To by znamenalo, \u017ee CT vy\u0161et\u0159en\u00ed proveden\u00e1 jen za jeden rok by vedla k p\u0159ibli\u017en\u011b 15 000 dal\u0161\u00edch p\u0159\u00edpad\u016f rakoviny v N\u011bmecku a p\u0159ibli\u017en\u011b 1 600 v Rakousku. Alespo\u0148 pokud se p\u0159edpokl\u00e1d\u00e1, \u017ee d\u00e1vka z\u00e1\u0159en\u00ed je srovnateln\u00e1.<\/span><\/p>\n<p><span>Podle americk\u00fdch v\u011bdc\u016f vedou CT vy\u0161et\u0159en\u00ed b\u0159icha, p\u00e1nve a hrudn\u00edku k t\u00e9m\u011b\u0159 60 procent\u016fm v\u0161ech dal\u0161\u00edch p\u0159\u00edpad\u016f rakoviny. Rakovina plic, leuk\u00e9mie, rakovina \u0161t\u00edtn\u00e9 \u017el\u00e1zy a rakovina prsu jsou nej\u010dast\u011bj\u0161\u00edmi typy rakoviny, kter\u00e9 mohou b\u00fdt v\u00fdsledkem takov\u00fdch vy\u0161et\u0159en\u00ed. D\u011bti jsou tak\u00e9 zvl\u00e1\u0161t\u011b zraniteln\u00e9 a zejm\u00e9na opakovan\u00e9 CT maj\u00ed kumulativn\u00ed efekt a v\u00fdrazn\u011b tak zvy\u0161uj\u00ed riziko rakoviny.<\/span><\/p>\n<p><span>L\u00e9ka\u0159sk\u00fdm z\u00e1v\u011brem nakonec z\u016fst\u00e1v\u00e1, \u017ee a\u010dkoli takov\u00e1 radiologick\u00e1 vy\u0161et\u0159en\u00ed mohou jist\u011b zachr\u00e1nit mnoho \u017eivot\u016f, m\u011bla by b\u00fdt pou\u017e\u00edv\u00e1na pouze v nezbytn\u011b nutn\u00fdch p\u0159\u00edpadech. Jedno CT vy\u0161et\u0159en\u00ed se m\u016f\u017ee zd\u00e1t ne\u0161kodn\u00e9 \u2013 srovnateln\u00e9 s n\u011bkolika lety p\u0159irozen\u00e9ho z\u00e1\u0159en\u00ed na pozad\u00ed \u2013 ale opakovan\u00e1 vy\u0161et\u0159en\u00ed zvy\u0161uj\u00ed expozici. Mnoho pacient\u016f, zejm\u00e9na pacient\u016f s chronick\u00fdmi onemocn\u011bn\u00edmi nebo pacient\u016f podstupuj\u00edc\u00edch dohled nad rakovinou, m\u016f\u017ee akumulovat d\u00e1vky z\u00e1\u0159en\u00ed zna\u010dn\u011b nad bezpe\u010dn\u00fdmi limity, co\u017e v\u00fdznamn\u011b zvy\u0161uje jejich riziko rakoviny.<\/span><\/p>\n<p><span>Nakonec n\u00e1s tato studie nab\u00e1d\u00e1, abychom tuto technologii pou\u017e\u00edvali \u0161etrn\u011bji. To plat\u00ed zejm\u00e9na proto, \u017ee ve Spojen\u00fdch st\u00e1tech je t\u00e9m\u011b\u0159 t\u0159etina takov\u00fdch radia\u010dn\u011b n\u00e1ro\u010dn\u00fdch vy\u0161et\u0159en\u00ed ve skute\u010dnosti zbyte\u010dn\u00e1. Ale bohu\u017eel na tom l\u00e9ka\u0159sk\u00fd sektor, v\u010detn\u011b Big Pharma, vyd\u011bl\u00e1v\u00e1 spoustu pen\u011bz \u2013 jak ze samotn\u00fdch sken\u016f, tak z l\u00e9\u010dby rakoviny.<\/span><\/p>\n<p><img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-full wp-image-71983\" src=\"http:\/\/www.infokuryr.cz\/n\/wp-content\/uploads\/2025\/02\/aaa.jpg\" alt=\"\" width=\"89\" height=\"23\" \/><\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>I kdy\u017e jsou po\u010d\u00edta\u010dov\u00e1 tomografie (CT) n\u011bkdy d\u016fle\u017eit\u00e1, p\u0159in\u00e1\u0161ej\u00ed tak\u00e9 zdravotn\u00ed rizika. Podle nov\u011b publikovan\u00e9&#8230;<\/p>\n","protected":false},"author":2,"featured_media":76821,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[7],"tags":[8948,1366,21],"_links":{"self":[{"href":"https:\/\/www.infokuryr.cz\/n\/wp-json\/wp\/v2\/posts\/76820"}],"collection":[{"href":"https:\/\/www.infokuryr.cz\/n\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.infokuryr.cz\/n\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.infokuryr.cz\/n\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.infokuryr.cz\/n\/wp-json\/wp\/v2\/comments?post=76820"}],"version-history":[{"count":0,"href":"https:\/\/www.infokuryr.cz\/n\/wp-json\/wp\/v2\/posts\/76820\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.infokuryr.cz\/n\/wp-json\/wp\/v2\/media\/76821"}],"wp:attachment":[{"href":"https:\/\/www.infokuryr.cz\/n\/wp-json\/wp\/v2\/media?parent=76820"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.infokuryr.cz\/n\/wp-json\/wp\/v2\/categories?post=76820"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.infokuryr.cz\/n\/wp-json\/wp\/v2\/tags?post=76820"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}