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{"id":6991,"date":"2015-12-22T13:09:39","date_gmt":"2015-12-22T11:09:39","guid":{"rendered":"https:\/\/www.coolkadin.com\/?p=6991"},"modified":"2015-12-22T13:09:39","modified_gmt":"2015-12-22T11:09:39","slug":"kontraksiyon-stress-testi-cst-oct","status":"publish","type":"post","link":"https:\/\/www.coolkadin.com\/kontraksiyon-stress-testi-cst-oct.html","title":{"rendered":"Kontraksiyon Stress Testi (CST) (OCT)"},"content":{"rendered":"

Kontraksiyon Stress Testi (CST) (OCT) Nedir?<\/strong><\/p>\n

Bu test ile anne rahminde meydana gelen kas\u0131lmalara, anne rahminde ki bebe\u011fin vermi\u015f oldu\u011fu cevaplar de\u011ferlendirilir. Rahimde (uterusta) meydana gelen kas\u0131lmalar ile do\u011fum i\u015flemi esnas\u0131nda olu\u015facak sanc\u0131lar birbirine benzemeye \u00e7al\u0131\u015f\u0131r. Do\u011fuma yak\u0131n haftalar i\u00e7erisinde yap\u0131lan bu test, erken haftalar i\u00e7erisinde yap\u0131lmas\u0131 tavsiye edilmemektedir. Bunun nedeni ise, ortaya \u00e7\u0131kar\u0131lan sanc\u0131lar\u0131n erken do\u011fuma sebep olabilme ihtimalidir. NST\u2019nin nonreaktif (fetusta s\u0131k\u0131nt\u0131 \u015f\u00fcphesi) oldu\u011fu durumlarda OCT testi ile fetus yeniden de\u011ferlendirme alt\u0131na al\u0131n\u0131r.<\/p>\n

Anne rahmindeki kas\u0131lmalar\u0131 meydana getirebilmek amac\u0131 ile serum i\u00e7erisinde oksitosin hormonu (suni sanc\u0131) verilerek, veya meme ucu uyar\u0131larak da kas\u0131lmalar meydana getirilebilir. Anne aday\u0131n\u0131n kar\u0131n b\u00f6lgesine NST aleti (kardiyotokograf) ba\u011flan\u0131p, ka\u011f\u0131t \u00fczerinde olu\u015fan kas\u0131lmalar ve bu kas\u0131lmalara bebe\u011fin kalp at\u0131\u015flar\u0131n\u0131n vermi\u015f oldu\u011fu cevaplar analiz edilir.<\/p>\n

Efektif kas\u0131lmalar\u0131n yarat\u0131lmas\u0131n\u0131n ard\u0131ndan, yani kas\u0131lmalar 10 dakikada 3 tane olacak \u015fekilde artt\u0131ktan sonra, bebe\u011fin kalp at\u0131mlar\u0131 bu kas\u0131lmalar\u0131n en az yar\u0131s\u0131nda yava\u015flamas\u0131 halinde, (ge\u00e7 deselere oluyor ise) OCT testinin pozitif oldu\u011fu anla\u015f\u0131l\u0131r. Bu durum fetusta s\u0131k\u0131nt\u0131 yani fetal distress halini d\u00fc\u015f\u00fcnd\u00fcr\u00fcr. B\u00f6yle bir durumda genellikle, fetusun normal do\u011fum esnas\u0131nda meydana gelebilecek kas\u0131lmalara da ayn\u0131 \u015fekilde cevap verece\u011fi, yani kalp at\u0131m\u0131n\u0131n yava\u015flayaca\u011f\u0131 tahmin edilir. Bu sebepten dolay\u0131 da, annenin do\u011fumu i\u00e7in sezaryene karar verilir. Test esnas\u0131nda meydana gelen kas\u0131lmalara kar\u015f\u0131n, fetusun kalp at\u0131\u015flar\u0131n\u0131n yava\u015flamamas\u0131 halinde, OCT negatif olarak kabul edilir. Bu da fetusun s\u0131k\u0131nt\u0131da olmad\u0131\u011f\u0131n\u0131 rahim i\u00e7erisinde iyi durumda oldu\u011funu ifade eder.<\/p>\n

2 ) Ne zaman yap\u0131l\u0131r?<\/strong><\/p>\n

Hamilelik d\u00f6nemi i\u00e7erisinde yap\u0131lacak olan bu test, sadece do\u011fuma yak\u0131n haftalarda ger\u00e7ekle\u015febilir. Bunun sebebi ise, deneme yapmak istendi\u011fi zaman, do\u011fuma neden olunabilmektedir. NST sonucunda s\u0131k\u0131nt\u0131 fark edilen hamileliklerde, fet\u00fcste sorun g\u00f6r\u00fclmesi halinde, bebe\u011fin tepkisini \u00f6l\u00e7mek amac\u0131 ile yap\u0131l\u0131p, de\u011ferlendirme alt\u0131na al\u0131nmas\u0131 m\u00fcmk\u00fcn olabilir.<\/p>\n

Anneye, rahim i\u00e7erisinde sanc\u0131 meydana getirebilmek amac\u0131 ile suni yoldan sanc\u0131 uygulat\u0131l\u0131r. Bu sanc\u0131n\u0131n i\u00e7erisine oksitosin hormonu konur. NST cihaz\u0131 anne karn\u0131nda ba\u011fl\u0131 durumda oldu\u011fu zaman, sanc\u0131 verilerek kas\u0131lma oran\u0131 ve bu kas\u0131lman\u0131n neticesinde bebe\u011fin verece\u011fi tepkime \u00f6l\u00e7\u00fcm\u00fc yap\u0131l\u0131r. Kas\u0131lma ve fet\u00fcs\u00fcn cevab\u0131, \u00e7\u0131kt\u0131 al\u0131nacak ka\u011f\u0131t \u00fczerinden okunarak yorumlama yap\u0131l\u0131r.<\/p>\n

3 ) Hangi durumlarda CST yap\u0131lmas\u0131 uygun olmaz?<\/strong><\/p>\n

Klasik sezeryan veya myomektomi ameliyat\u0131 ge\u00e7irmi\u015f olan hastalar
\nPlasenta previa (Bebe\u011fin e\u015finin \u00f6nde olmas\u0131)
\nPlasenta dekolman\u0131 (Bebe\u011fin e\u015finin zaman\u0131ndan erken ayr\u0131lmas\u0131)
\nErken do\u011fum riskinin bulunmas\u0131
\n\u00c7o\u011ful hamileli\u011fin s\u00f6z konusu oldu\u011fu durumlarda
\nServikal (rahim a\u011fz\u0131nda) yetmezlik olanlar<\/p>\n

4 ) Bebek i\u00e7in \u00f6l\u00fcm oran\u0131 nedir?<\/strong><\/p>\n

Negatif bi CST \u2018 i takiben bir hafta i\u00e7erisinde fetal \u00f6l\u00fcm oran\u0131, yakla\u015f\u0131k % 0.1 \u2018in alt\u0131ndad\u0131r. Bir \u00e7al\u0131\u015fma esnas\u0131nda 1337 riskli hamilelikte, yaln\u0131zca bir \u00f6l\u00fcm\u00fcn ger\u00e7ekle\u015fti\u011fi ifade edilmi\u015ftir.<\/p>\n

5 ) CST De\u011ferlendirilmesi ve \u00d6zet<\/strong><\/p>\n

Nonreaktif olmas\u0131 halinde: Yap\u0131lan test esnas\u0131nda, akselarasyon (fetusun kalp at\u0131mlar\u0131nda h\u0131zlanma) g\u00f6r\u00fclmemesini ifade eder.<\/p>\n

Reaktif olmas\u0131 halinde: Test esnas\u0131nda akselarasyonlar\u0131n izlenmesi durumunu ifade eder.<\/p>\n

Negatif olmas\u0131 halinde: Ge\u00e7 deselarasyon olmamas\u0131 (10 dakikada en az 3 kontraksiyon oldu\u011fu halde)<\/p>\n

Pozitif olmas\u0131 halinde: Kontraksiyonlar\u0131n yar\u0131s\u0131ndan fazlas\u0131nda g\u00f6zle g\u00f6r\u00fcl\u00fcr kal\u0131c\u0131 ve yinelenen ge\u00e7 deselerasyonlar\u0131n olmas\u0131n\u0131 ifade eder<\/p>\n

Ku\u015fkuluolmas\u0131 halinde : Kal\u0131c\u0131 olmayan ve yinelenmeyen ge\u00e7 deselerasyonlar\u0131 ifade eder<\/p>\n

Hiperstim\u00fclasyon olmas\u0131 halinde : 10 dakika i\u00e7erisinde, 5 ten daha fazla ve 90 saniyeden daha uzun s\u00fcren kontraksiyon g\u00f6r\u00fclmesi halinde, ge\u00e7 deselerasyon olmas\u0131n\u0131 ifade eder<\/p>\n

Yetersiz olmas\u0131 halinde: Anne aday\u0131na uygulanan test esnas\u0131nda, uterus kontrakisyonlar\u0131n\u0131n (kas\u0131lmalar\u0131n) elde edilememesini ifade etmektedir.<\/p>\n","protected":false},"excerpt":{"rendered":"

Kontraksiyon…<\/p>\n","protected":false},"author":4,"featured_media":6994,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1523],"tags":[4259,4262,4264,4261,4263,4265,4266,4260],"_links":{"self":[{"href":"https:\/\/www.coolkadin.com\/wp-json\/wp\/v2\/posts\/6991"}],"collection":[{"href":"https:\/\/www.coolkadin.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.coolkadin.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.coolkadin.com\/wp-json\/wp\/v2\/users\/4"}],"replies":[{"embeddable":true,"href":"https:\/\/www.coolkadin.com\/wp-json\/wp\/v2\/comments?post=6991"}],"version-history":[{"count":0,"href":"https:\/\/www.coolkadin.com\/wp-json\/wp\/v2\/posts\/6991\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.coolkadin.com\/wp-json\/wp\/v2\/media\/6994"}],"wp:attachment":[{"href":"https:\/\/www.coolkadin.com\/wp-json\/wp\/v2\/media?parent=6991"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.coolkadin.com\/wp-json\/wp\/v2\/categories?post=6991"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.coolkadin.com\/wp-json\/wp\/v2\/tags?post=6991"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}