Semptom Pozitif Ara Lezyonu Olan Hastaya Yaklaşım

Yazarlar

Şevval Kılıç
Mehmet Nail Bilen

Özet

Koroner arter hastalığı (KAH), Dünya genelinde morbidite ve mortalitenin önde gelen nedenlerinden biridir. Aterogenez, dünya genelinde kardiyovasküler hastalıkların morbidite ve mortalitesinin başlıca nedenlerinden biridir.  Koroner anjiyografi, uzun yıllardır darlıkların anatomik değerlendirilmesinde altın standart olarak kabul edilse de bir lezyonun fizyolojik anlamda ne kadar önemli olduğunu belirlemede, plakların yapılarının değerlendirilmesinde yetersiz kalabilir ve değerlendirilen koroner lezyonların anatomik darlık derecesi, her zaman miyokardiyal iskeminin varlığını öngöremez. Bu bağlamda Fraksiyonel Akış Rezervi (FFR) lezyonun fonksiyonel açıdan değerlendirilmesinde, Intravasküler Ultrason (IVUS) plakların ve Optik Koherens Tomografi (OCT) ise vasküler yapı ve plağın morfolojik olarak değerlendirilmesinde önemli bilgiler sunar. Sonuç olarak bu yöntemler lezyonların perkütan koroner girişim gerektirip gerektirmediği kararı aşamasında anjiyografiye tamamlayıcı önemli değerlendirme araçları olarak karşımıza çıkıyorlar. Bu bölümde yardımcı görüntüleme araçlarından yararlanarak avantaj ve dezavantajlarını da göz önünde bulundurarak hasta bazlı bireyselleştirilmiş değerlendirmeyle semptomatik olan fakat FFR, IVUS, OCT nonkritik olarak değerlendirilen hastalara yaklaşımdan bahsedeceğiz.

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5 Aralık 2025

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