{"id":976,"date":"2012-08-12T12:15:52","date_gmt":"2012-08-12T09:15:52","guid":{"rendered":"http:\/\/www.hvtd.org\/?p=976"},"modified":"2012-08-12T12:15:52","modified_gmt":"2012-08-12T09:15:52","slug":"ucus-murettabatinda-kanser-sikligi","status":"publish","type":"post","link":"https:\/\/www.hvtd.org\/?p=976","title":{"rendered":"U\u00e7u\u015f m\u00fcrettabat\u0131nda kanser s\u0131kl\u0131\u011f\u0131"},"content":{"rendered":"

\"\"<\/a>Havac\u0131l\u0131k d\u00fcnyas\u0131nda u\u00e7a\u011f\u0131 u\u00e7uran pilot ve di\u011fer m\u00fcrettebat\u0131n u\u00e7u\u015f s\u0131ras\u0131nda maruz kald\u0131klar\u0131 ve hastal\u0131k\/\u00f6l\u00fcm nedeni olabilecek \u00f6zel durumlar \u00fczerinde s\u00fcrekli ara\u015ft\u0131rmalar yap\u0131lmaktad\u0131r. Pilot ve di\u011fer u\u00e7u\u015f m\u00fcrettebat\u0131n\u0131n belirli tip kanserler i\u00e7in y\u00fcksek risk ta\u015f\u0131d\u0131klar\u0131 kan\u0131s\u0131 yayg\u0131nd\u0131r ve konuyla ilgili ara\u015ft\u0131rmalar bunu do\u011frulamaktad\u0131r. Pilotlar\u0131n u\u00e7u\u015ftan ayr\u0131lmalar\u0131na neden olan hastal\u0131klar s\u0131ralamas\u0131nda kanserler \u00fc\u00e7\u00fcnc\u00fc s\u0131rada yer almakta olup, ilk iki s\u0131rada kalp ve n\u00f6ropsikiyatrik hastal\u0131klar bulunmaktad\u0131r.<\/p>\n

British Airways, pilot ve u\u00e7u\u015f m\u00fchendislerinin \u00f6l\u00fcm nedenleri \u00fczerinde geriye d\u00f6n\u00fck bir \u00e7al\u0131\u015fma yapm\u0131\u015ft\u0131r. Ocak 1950-Aral\u0131k 1992 aras\u0131ndaki 43 y\u0131ll\u0131k d\u00f6nemde g\u00f6rev yapan 7362 ki\u015fiden, \u00f6lm\u00fc\u015f olan 719 u\u00e7ucunun hastal\u0131k, \u00f6l\u00fcm ve ya\u015fam beklentisi skorlar\u0131, \u0130ngiltere\u2019deki u\u00e7ucu olmayan erkek pop\u00fclasyon ile kar\u015f\u0131la\u015ft\u0131r\u0131lm\u0131\u015ft\u0131r. Bu geni\u015f ara\u015ft\u0131rman\u0131n sonu\u00e7lar\u0131 \u015f\u00f6ylece \u00f6zetlenebilir :<\/p>\n

1. U\u00e7ucular\u0131n ya\u015fam s\u00fcreleri genel pop\u00fclasyona g\u00f6re birka\u00e7 y\u0131l daha uzun bulunmu\u015ftur. (Bu, muhtemelen u\u00e7ucular\u0131n s\u0131k t\u0131bbi kontrollerden ge\u00e7en, genelde sa\u011fl\u0131kl\u0131 ve sosyoekonomik d\u00fczeyleri y\u00fcksek ki\u015filer olmalar\u0131yla ilgilidir.)<\/p>\n

2. Buna kar\u015f\u0131l\u0131k, u\u00e7ucu grubunda siroz, beyin-kolon-mesane ve testis t\u00fcm\u00f6rleri ile melanoma\u2019n\u0131n fazlal\u0131\u011f\u0131 dikkat \u00e7ekmi\u015ftir.<\/p>\n

Kanada\u2019da 1950-1984 y\u0131llar\u0131 aras\u0131nda \u00f6len 578.000 ki\u015fi aras\u0131ndaki 341 pilotun \u00f6l\u00fcm nedenlerinin ara\u015ft\u0131r\u0131ld\u0131\u011f\u0131 bir ba\u015fka \u00e7al\u0131\u015fmada, kanserlerin oran\u0131 g\u00f6rece fazla bulunmu\u015ftur. Bu ara\u015ft\u0131rmada, 341 pilottan kanserden \u00f6lenlerin say\u0131s\u0131 12 olup, tiplere g\u00f6re da\u011f\u0131l\u0131mda; beyin, kolon-rektum kanseri ve Hodgkin hastal\u0131\u011f\u0131 \u00e7oktur. Kanada Havayolu \u015eirketinde 1950-1988 y\u0131llar\u0131 aras\u0131nda g\u00f6rev yapan 891 pilottan \u00f6lm\u00fc\u015f bulunan 71\u2019inin \u00f6l\u00fcm nedenleri s\u0131ralamas\u0131nda, kalp-damar hastal\u0131klar\u0131 ve kanser olgular\u0131 ilk s\u0131ralar\u0131 alm\u0131\u015f, kanser tipi s\u0131ralamas\u0131nda ise Melanoma, Hodgkin, l\u00f6semi, prostat, rektum-kolon, beyin, testis, akci\u011fer kanseri daha s\u0131k g\u00f6r\u00fclm\u00fc\u015ft\u00fcr. \u0130zlanda, Norve\u00e7, \u0130sve\u00e7, Danimarka ve Bulgaristan\u2019da da askeri ve sivil kesimde u\u00e7an erkek ve bayan u\u00e7ucularda kanser olgular\u0131 de\u011ferlendirmeye al\u0131nm\u0131\u015f, sonu\u00e7lar\u0131 hi\u00e7bir komplekse kap\u0131lmadan yay\u0131nlanm\u0131\u015ft\u0131r. Astronotlar\u0131n kanser riskinin de kontrol grubundan y\u00fcksek \u00e7\u0131kt\u0131\u011f\u0131 a\u00e7\u0131klanm\u0131\u015ft\u0131r.<\/p>\n

U\u00e7u\u015fta kanser riskini artt\u0131ran nedenler<\/p>\n

1960\u2019lara gelinceye kadar ticari havayolu u\u00e7aklar\u0131 rutin u\u00e7u\u015flar\u0131nda y\u00fcksek irtifalara \u00e7\u0131kmazlard\u0131. U\u00e7ak teknolojisindeki geli\u015fmeler ve s\u00fcrat gereksinimi, son 40 y\u0131lda y\u00fcksek irtifada uzun menzilli u\u00e7u\u015flar\u0131 zorunlu k\u0131lm\u0131\u015f, bu ko\u015fullarda g\u00f6rev yapan u\u00e7u\u015f m\u00fcrettebat\u0131 da ister istemez d\u00fc\u015f\u00fck dozlu kozmik radyasyona uzun s\u00fcrelerle maruz kal\u0131r olmu\u015ftur. U\u00e7u\u015f aletlerinin yayd\u0131\u011f\u0131 elektromanyetik dalgalar, ultraviyole \u0131\u015f\u0131nlar\u0131, ozon gaz\u0131, jet yak\u0131t\u0131 emisyonu (\u00f6zellikle benzen) ve u\u00e7a\u011f\u0131n yap\u0131 elemanlar\u0131ndan buharla\u015fan kimyasallar da, uzun s\u00fcre\u00e7te u\u00e7ucular i\u00e7in bilinen veya bilinmeyen zararlar\u0131n nedenleri aras\u0131nda say\u0131lmaktad\u0131rlar. Kanserojen unsurlar aras\u0131nda en fazla itham edileni kozmik radyasyondur, ama bunun zararl\u0131 etkileri de u\u00e7u\u015fun rotas\u0131, irtifa, s\u00fcre ve bu s\u00fcre\u00e7teki g\u00fcne\u015f aktivitelerine g\u00f6re de\u011fi\u015fir.<\/p>\n

G\u00fcne\u015f ve di\u011fer y\u0131ld\u0131zlardan gelen radyasyon, atmosfer yo\u011funlu\u011funun g\u00f6rece az oldu\u011fu y\u00fcksek irtifalarda daha \u015fiddetlidir. Partik\u00fcller atmosferin alt tabakalar\u0131na indik\u00e7e zay\u0131flar. Ayr\u0131ca d\u00fcnyan\u0131n magnetik alan\u0131, solar ve galaktik partik\u00fcllerin y\u00f6n\u00fcn\u00fc de\u011fi\u015ftirir ve atmosfere giri\u015fini b\u00fcy\u00fck \u00f6l\u00e7\u00fcde engeller. Bu kalkan etkisi ekvator hatt\u0131nda en fazla, kutuplarda ise yar\u0131 yar\u0131ya azd\u0131r. Uluslararas\u0131 Radyolojik Korunma Komisyonu (ICRP) jet u\u00e7u\u015flar\u0131 yapan personelin radyasyon problemini \u201ci\u015f riski\u201d saymaktad\u0131r.<\/p>\n

Bizim i\u00e7in birinci soru \u015fudur : Bilimsel \u00e7al\u0131\u015fmalar\u0131n yap\u0131laca\u011f\u0131 bu \u00e7ok merkezler aras\u0131na T\u00fcrkiye sivil havac\u0131l\u0131\u011f\u0131n\u0131n t\u0131bbi \u00fcniteleri de dahil olacak m\u0131d\u0131r, yoksa ticari havayolu \u015firketlerimizdeki u\u00e7u\u015f personelimizin kanser risklerini bilmemek daha m\u0131 rahatlat\u0131c\u0131d\u0131r ? \u0130kinci soru, bat\u0131l\u0131 bilim \u00e7evrelerinde bilinen veya \u015f\u00fcphelenilen baz\u0131 olgular varken, bunlar\u0131 yok saymak veya tart\u0131\u015fmamak suretiyle, ileride (milyonda bir oran\u0131nda bile olsa) radyasyona ba\u011fl\u0131 kanser geli\u015ftiren bir m\u00fcrettebat\u0131n dava a\u00e7ma haklar\u0131 olabilece\u011fi dikkate al\u0131nmamakta m\u0131d\u0131r ?, \u00e7ok daha \u00f6nemlisi bu ki\u015filere haks\u0131zl\u0131k yap\u0131lm\u0131\u015f olmayacak m\u0131d\u0131r ?\u2026<\/p>\n

Yaz\u0131y\u0131 haz\u0131rlayan :<\/strong> Do\u00e7. Dr. Muzaffer \u00c7eting\u00fc\u00e7<\/p>\n","protected":false},"excerpt":{"rendered":"

Havac\u0131l\u0131k d\u00fcnyas\u0131nda u\u00e7a\u011f\u0131 u\u00e7uran pilot ve di\u011fer m\u00fcrettebat\u0131n u\u00e7u\u015f s\u0131ras\u0131nda maruz kald\u0131klar\u0131 ve hastal\u0131k\/\u00f6l\u00fcm nedeni olabilecek \u00f6zel durumlar \u00fczerinde s\u00fcrekli ara\u015ft\u0131rmalar yap\u0131lmaktad\u0131r. Pilot ve di\u011fer u\u00e7u\u015f m\u00fcrettebat\u0131n\u0131n belirli tip kanserler i\u00e7in y\u00fcksek risk ta\u015f\u0131d\u0131klar\u0131 kan\u0131s\u0131 yayg\u0131nd\u0131r ve konuyla ilgili ara\u015ft\u0131rmalar bunu do\u011frulamaktad\u0131r. Pilotlar\u0131n u\u00e7u\u015ftan ayr\u0131lmalar\u0131na neden olan hastal\u0131klar s\u0131ralamas\u0131nda kanserler \u00fc\u00e7\u00fcnc\u00fc s\u0131rada yer almakta olup, ilk iki s\u0131rada kalp ve […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_eb_attr":"","_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[6],"tags":[],"class_list":["post-976","post","type-post","status-publish","format-standard","hentry","category-bulten"],"jetpack_featured_media_url":"","jetpack_sharing_enabled":true,"jetpack-related-posts":[],"_links":{"self":[{"href":"https:\/\/www.hvtd.org\/index.php?rest_route=\/wp\/v2\/posts\/976","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.hvtd.org\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.hvtd.org\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.hvtd.org\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.hvtd.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=976"}],"version-history":[{"count":1,"href":"https:\/\/www.hvtd.org\/index.php?rest_route=\/wp\/v2\/posts\/976\/revisions"}],"predecessor-version":[{"id":978,"href":"https:\/\/www.hvtd.org\/index.php?rest_route=\/wp\/v2\/posts\/976\/revisions\/978"}],"wp:attachment":[{"href":"https:\/\/www.hvtd.org\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=976"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.hvtd.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=976"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.hvtd.org\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=976"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}