{"id":88893,"date":"2025-09-30T04:42:57","date_gmt":"2025-09-30T02:42:57","guid":{"rendered":"https:\/\/www.infokuryr.cz\/n\/?p=88893"},"modified":"2025-09-30T04:42:57","modified_gmt":"2025-09-30T02:42:57","slug":"skryta-nemocnicni-hrozba-studie-varuje-ze-snimkovani-je-spojeno-s-detskymi-rakovinami-krve","status":"publish","type":"post","link":"https:\/\/www.infokuryr.cz\/n\/2025\/09\/30\/skryta-nemocnicni-hrozba-studie-varuje-ze-snimkovani-je-spojeno-s-detskymi-rakovinami-krve\/","title":{"rendered":"Skryt\u00e1 nemocni\u010dn\u00ed hrozba: Studie varuje, \u017ee sn\u00edmkov\u00e1n\u00ed je spojeno s d\u011btsk\u00fdmi rakovinami krve"},"content":{"rendered":"
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Rodi\u010de d\u016fv\u011b\u0159uj\u00ed l\u00e9ka\u0159\u016fm, \u017ee ochr\u00e1n\u00ed jejich d\u011bti, ale co kdy\u017e pr\u00e1v\u011b n\u00e1stroje ur\u010den\u00e9 k diagnostikov\u00e1n\u00ed nemoc\u00ed potichu zas\u00e9vaj\u00ed sem\u00ednka budouc\u00edch chorob?<\/span><\/p>\n

Pr\u016flomov\u00e1\u00a0<\/span>studie<\/span><\/a>\u00a0publikovan\u00e1 v presti\u017en\u00edm medic\u00ednsk\u00e9m \u010dasopise\u00a0<\/span>New England Journal of Medicine<\/span><\/em> odhaluje mrazivou souvislost mezi l\u00e9ka\u0159sk\u00fdmi zobrazovac\u00edmi technikami a rakovinou krve u d\u011bt\u00ed (leuk\u00e9mie a lymfomy) \u2013 souvislost, kter\u00e1 byla p\u0159\u00edli\u0161 dlouho p\u0159ehl\u00ed\u017eena.<\/span><\/p>\n

V\u00fdzkumn\u00edci sledovali t\u00e9m\u011b\u0159 4 miliony d\u011bt\u00ed v USA a Kanad\u011b a zjistili, \u017ee z\u00e1\u0159en\u00ed z CT vy\u0161et\u0159en\u00ed a rentgen\u016f m\u016f\u017ee b\u00fdt zodpov\u011bdn\u00e9 za 1 z 10 p\u0159\u00edpad\u016f rakoviny krve u d\u011bt\u00ed.<\/span><\/p>\n

Riziko nen\u00ed hypotetick\u00e9, sleduje jasn\u00fd vzorec z\u00e1visl\u00fd na d\u00e1vce. Jedno CT vy\u0161et\u0159en\u00ed hlavy, \u010dasto na\u0159\u00edzen\u00e9 l\u00e9ka\u0159i bez zav\u00e1h\u00e1n\u00ed, zvy\u0161uje riziko rakoviny u d\u00edt\u011bte o 80%, zat\u00edmco v\u00edcen\u00e1sobn\u00e1 vy\u0161et\u0159en\u00ed toto nebezpe\u010d\u00ed ztrojn\u00e1sob\u00ed.<\/span><\/p>\n

Neviditeln\u00e1 hrozba: Jak z\u00e1\u0159en\u00ed ze sn\u00edmkov\u00e1n\u00ed po\u0161kozuje mlad\u00e1 t\u011bla<\/span><\/h2>\n

Z\u00e1\u0159en\u00ed nerozli\u0161uje \u2013 pro\u0159ez\u00e1v\u00e1 vl\u00e1kna DNA a zanech\u00e1v\u00e1 v nich mutace, kter\u00e9 mohou p\u0159etrv\u00e1vat roky, ne\u017e se projev\u00ed jako leuk\u00e9mie nebo lymfom.<\/span><\/p>\n

D\u011btsk\u00e1 t\u011bla, kter\u00e1 st\u00e1le rostou a vyv\u00edjej\u00ed se, absorbuj\u00ed rentgenov\u00e9 z\u00e1\u0159en\u00ed jako houba. Jejich kostn\u00ed d\u0159e\u0148, kde se rod\u00ed krvinky, je na n\u011bj obzvl\u00e1\u0161\u0165 citliv\u00e1.<\/span><\/p>\n

Nemocnice a kliniky v\u0161ak nad\u00e1le zleh\u010duj\u00ed rizika a p\u0159irovn\u00e1vaj\u00ed\u00a0<\/span>CT vy\u0161et\u0159en\u00ed<\/span><\/a>\u00a0k ne\u0161kodn\u00fdm aktivit\u00e1m, jako je j\u00eddlo ban\u00e1n\u016f nebo l\u00e9t\u00e1n\u00ed nap\u0159\u00ed\u010d zem\u00ed. Tato srovn\u00e1n\u00ed jsou v\u0161ak nebezpe\u010dn\u011b zav\u00e1d\u011bj\u00edc\u00ed.<\/span><\/p>\n

Na rozd\u00edl od p\u0159irozen\u00e9ho z\u00e1\u0159en\u00ed pozad\u00ed, l\u00e9ka\u0159sk\u00e9 sn\u00edmkov\u00e1n\u00ed koncentruje vysokoenergetick\u00e9 paprsky p\u0159\u00edmo do tk\u00e1n\u00ed, \u010d\u00edm\u017e zesiluje po\u0161kozen\u00ed.<\/span><\/p>\n

Hor\u0161\u00ed je, \u017ee mnoh\u00e1 vy\u0161et\u0159en\u00ed jsou z l\u00e9ka\u0159sk\u00e9ho hlediska zbyte\u010dn\u00e1, objedn\u00e1van\u00e1 ze zvyku, strachu z odpov\u011bdnosti nebo kv\u016fli finan\u010dn\u00edm pob\u00eddk\u00e1m.<\/span><\/p>\n

Historie nedbalosti: Pro\u010d jsou varov\u00e1n\u00ed ignorov\u00e1na<\/span><\/h2>\n

Zdravotnick\u00fd establi\u0161ment dlouho odm\u00edt\u00e1 obavy ohledn\u011b z\u00e1\u0159en\u00ed ze zobrazovac\u00edch p\u0159\u00edstroj\u016f a trv\u00e1 na tom, \u017ee v\u00fdhody p\u0159eva\u017euj\u00ed nad riziky. Historie v\u0161ak \u0159\u00edk\u00e1 jin\u00fd p\u0159\u00edb\u011bh.<\/span><\/p>\n

V polovin\u011b 20. stolet\u00ed l\u00e9ka\u0159i p\u0159edepisovali rentgenov\u00e9 vy\u0161et\u0159en\u00ed na akn\u00e9, zv\u011bt\u0161en\u00e9 mandle a dokonce i na sledov\u00e1n\u00ed t\u011bhotenstv\u00ed \u2013 dokud studie neprok\u00e1zaly, \u017ee zp\u016fsobuje rakovinu.<\/span><\/p>\n

Dnes CT vy\u0161et\u0159en\u00ed, v podstat\u011b 3D rentgenov\u00e9 paprsky, p\u0159in\u00e1\u0161ej\u00ed d\u00e1vky z\u00e1\u0159en\u00ed stokr\u00e1t vy\u0161\u0161\u00ed ne\u017e tradi\u010dn\u00ed rentgeny. P\u0159es rostouc\u00ed po\u010det d\u016fkaz\u016f v\u0161ak \u017e\u00e1dn\u00e9 ofici\u00e1ln\u00ed p\u0159edpisy neomezuj\u00ed, kolik z\u00e1\u0159en\u00ed m\u016f\u017ee d\u00edt\u011b b\u011bhem sn\u00edmkov\u00e1n\u00ed dostat.<\/span><\/p>\n

Dr. Rebecca Smith-Bindmanov\u00e1, hlavn\u00ed autorka studie, varuje:<\/span><\/p>\n

\u201eP\u0159esto\u017ee l\u00e9ka\u0159sk\u00e9 zobrazov\u00e1n\u00ed m\u016f\u017ee zachr\u00e1nit \u017eivot, na\u0161e zji\u0161t\u011bn\u00ed zd\u016fraz\u0148uj\u00ed kritickou pot\u0159ebu pe\u010dliv\u011b vyhodnotit a minimalizovat vystaven\u00ed z\u00e1\u0159en\u00ed b\u011bhem pediatrick\u00e9ho zobrazov\u00e1n\u00ed, aby se ochr\u00e1nilo dlouhodob\u00e9 zdrav\u00ed d\u011bt\u00ed.\u201c<\/span><\/em><\/p>\n

Nejen nemocnice: Ka\u017edodenn\u00ed z\u00e1\u0159en\u00ed se s\u010d\u00edt\u00e1<\/span><\/h2>\n

L\u00e9ka\u0159sk\u00e1 vy\u0161et\u0159en\u00ed nejsou jedin\u00fdm zdrojem radia\u010dn\u00edho bombardov\u00e1n\u00ed d\u011bt\u00ed. Modern\u00ed \u017eivot je vystavuje kumulativn\u00edmu koktejlu ioniza\u010dn\u00edch i neionoza\u010dn\u00edch neviditeln\u00fdch hrozeb, jako jsou:<\/span><\/p>\n