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{"id":5184,"date":"2016-06-22T11:13:38","date_gmt":"2016-06-22T08:13:38","guid":{"rendered":"http:\/\/izmirkarsiyakakadindogummerkezi.com\/?p=5184"},"modified":"2016-06-22T11:13:38","modified_gmt":"2016-06-22T08:13:38","slug":"ultrasonun-tani-kesinligi","status":"publish","type":"post","link":"https:\/\/izmirkarsiyakakadindogummerkezi.com\/ultrasonun-tani-kesinligi\/","title":{"rendered":"Ultrasonun Tan\u0131 Kesinli\u011fi"},"content":{"rendered":"

Asl\u0131nda ultrason ile ilgili daha \u00f6nemli bir tehlike ultrasonun her zaman do\u011fru tan\u0131 koyamamas\u0131d\u0131r. Bazen mevcut hastal\u0131klara tan\u0131 konamayabilmekte, bazen de normal oldu\u011fu halde baz\u0131 hastal\u0131klar saptanabilmektedir.<\/p><\/blockquote>\n

Farkl\u0131 \u00e7al\u0131\u015fma gruplar\u0131, ultrason ile bebeklerde bulunan hastal\u0131klar\u0131n ne kadar\u0131na tan\u0131 konabildi\u011fini ara\u015ft\u0131rm\u0131\u015ft\u0131r. Farkl\u0131 anormalliklerin tan\u0131 konma oran\u0131 farkl\u0131 bulunmakla birlikte tan\u0131 koyma oran\u0131 %40 ile 98 aras\u0131ndad\u0131r.<\/p>\n

Ultrason sa\u011fl\u0131kl\u0131 oldu\u011fu d\u00fc\u015f\u00fcn\u00fclen bir gebeye genel tarama ama\u00e7l\u0131 yap\u0131ld\u0131\u011f\u0131nda bebekte var olabilecek \u00f6z\u00fcrlerin %36-60’\u0131na yani yar\u0131s\u0131ndan az\u0131na tan\u0131 konabilmektedir. Bebekte bir \u00f6z\u00fcrden \u015f\u00fcphelenerek \u00f6zellikle tan\u0131 koymak i\u00e7in bak\u0131ld\u0131\u011f\u0131nda bile %71-95 oran\u0131nda tan\u0131 konabilir. Yani \u00f6z\u00fcrlerin en az %10’u tan\u0131 konamadan do\u011far.<\/p>\n

Bu y\u00fczden ultrason taramas\u0131nda bir \u00f6z\u00fcr saptanmamas\u0131n\u0131 bebe\u011fin tamamen sa\u011fl\u0131kl\u0131 oldu\u011funun garantisi olarak alg\u0131lamamak gerekir.<\/p>\n

Erken gebelik haftalar\u0131nda bebekler ve organlar\u0131 k\u00fc\u00e7\u00fck oldu\u011fundan \u00e7ok iyi inceleme yap\u0131lamayabilir.\u00a0Di\u011fer yandan baz\u0131 \u00f6z\u00fcrler, gebeli\u011fin ilerleyen haftalar\u0131nda k\u0131sa s\u00fcrede geli\u015febilir. Bunlara en \u00f6nemli \u00f6rnek hidrosefalidir. Bu nedenle 20 hafta \u00f6ncesinde ultrasonla bebek \u00f6z\u00fcrlerinin %47’sine tan\u0131 konabilirken, 20-23 hafta aras\u0131nda %59 ve 24 haftadan sonra %68’ine tan\u0131 konur.<\/p>\n

Anormalliklere tan\u0131 konabilen haftalar<\/h4>\n