<\/p>\n
\n\t\u0130nsan kula\u011f\u0131n\u0131n duyamayaca\u011f\u0131 kadar y\u00fcksek frekansl\u0131 ses dalgalar\u0131, yani ultrason, t\u0131pta uzun s\u00fcredir tan\u0131 ama\u00e7l\u0131 kullan\u0131l\u0131yor. Ancak art\u0131k bu teknoloji, yaln\u0131zca g\u00f6r\u00fcnt\u00fcleme de\u011fil, tedavi arac\u0131 olarak da kullan\u0131lmaya ba\u015fl\u0131yor.<\/p>\n
\n\tABD\u2019nin Virginia \u00dcniversitesi\u2019nden Biyomedikal M\u00fchendis Prof. Richard J. Price, odaklanm\u0131\u015f ultrason teknolojisinin (Focused Ultrasound) kanser, Alzheimer ve nadir n\u00f6rolojik hastal\u0131klar\u0131n tedavisinde \u00e7\u0131\u011f\u0131r a\u00e7abilece\u011fini belirtiyor.<\/p>\n
\n\tBeyni zararl\u0131 maddelerden koruyan kan-beyin bariyeri, ila\u00e7lar\u0131n beyne ula\u015fmas\u0131n\u0131 da engelliyor. Bilim insanlar\u0131, d\u00fc\u015f\u00fck yo\u011funluklu odaklanm\u0131\u015f ultrason dalgalar\u0131n\u0131n kan damarlar\u0131ndaki mikrokabarc\u0131klar\u0131 titre\u015ftirerek bu bariyeri ge\u00e7ici olarak a\u00e7abildi\u011fini ke\u015ffetti.<\/p>\n
\n\tBu sayede ila\u00e7lar ve hatta gen tedavileri, hedeflenen b\u00f6lgeye do\u011frudan ula\u015fabiliyor. Prof. Price, bu y\u00f6ntemin g\u00fcvenli\u011fini kan\u0131tlayan \u00e7ok say\u0131da denemenin ard\u0131ndan Alzheimer, beyin t\u00fcm\u00f6rleri ve glioblastoma gibi hastal\u0131klar i\u00e7in klinik \u00e7al\u0131\u015fmalara ba\u015fland\u0131\u011f\u0131n\u0131 s\u00f6yl\u00fcyor.<\/p>\n
\n\tOdaklanm\u0131\u015f ultrason yaln\u0131zca ila\u00e7 ta\u015f\u0131makla kalm\u0131yor; ayn\u0131 zamanda ba\u011f\u0131\u015f\u0131kl\u0131k sistemini kanserle sava\u015fmaya te\u015fvik edebiliyor.<\/p>\n
\n\tAra\u015ft\u0131rmalar, bu y\u00f6ntemin t\u00fcm\u00f6rleri par\u00e7alay\u0131p ba\u011f\u0131\u015f\u0131kl\u0131k h\u00fccrelerine \u201ctan\u0131tma\u201d etkisi yaratt\u0131\u011f\u0131n\u0131 g\u00f6steriyor. B\u00f6ylece v\u00fccut kendi kanser h\u00fccrelerini tan\u0131y\u0131p yok edebiliyor.<\/p>\n
\n\tVirginia \u00dcniversitesi, 2022 y\u0131l\u0131nda bu alandaki \u00e7al\u0131\u015fmalar\u0131 h\u0131zland\u0131rmak i\u00e7in d\u00fcnyan\u0131n ilk Odaklanm\u0131\u015f Ultrason ve \u0130mm\u00fcno-onkoloji Ara\u015ft\u0131rma Merkezini kurdu. Merkezde, ileri evre melanom hastalar\u0131 \u00fczerinde yeni tedavi kombinasyonlar\u0131 test ediliyor.<\/p>\n
\n\tTeknolojinin en umut verici y\u00f6nlerinden biri de beyin ameliyatlar\u0131na alternatif olu\u015fturabilmesi. \u00d6rne\u011fin, nadir g\u00f6r\u00fclen serebral kavern\u00f6z malformasyon (CCM) hastal\u0131\u011f\u0131nda, beyin damarlar\u0131ndaki anormal b\u00fcy\u00fcmeler genellikle cerrahiyle al\u0131nabiliyor. Ancak bu lezyonlar eri\u015filmesi zor b\u00f6lgelerde bulundu\u011funda ameliyat ciddi riskler ta\u015f\u0131yor.<\/p>\n
\n\tProf. Price ve ekibi, ultrasonla kan-beyin bariyerini a\u00e7arak ila\u00e7 ge\u00e7i\u015fini kolayla\u015ft\u0131rman\u0131n yan\u0131 s\u0131ra, hi\u00e7 ila\u00e7 verilmeden bile lezyonlar\u0131n b\u00fcy\u00fcmesinin durdu\u011funu g\u00f6zlemledi.<\/p>\n
\n\tBilim insanlar\u0131na g\u00f6re odaklanm\u0131\u015f ultrason, \u00f6n\u00fcm\u00fczdeki y\u0131llarda yaln\u0131zca Alzheimer veya kanser i\u00e7in de\u011fil, nadir ve tedavisi zor n\u00f6rolojik hastal\u0131klar i\u00e7in de umut olacak.<\/p>\n
\n\tProf. Price, \u201cBu teknoloji sayesinde, cerrahiye gerek kalmadan beynin derin b\u00f6lgelerine ula\u015fabiliyoruz. Belki de gelece\u011fin t\u0131bb\u0131, duyamad\u0131\u011f\u0131m\u0131z seslerin i\u00e7inde sakl\u0131\u201d ifadelerini kullan\u0131yor.<\/p>\n