Teknik Angiografi Paru

Oleh :

dr. Qorry Amanda, M.Biomed

Teknik angiografi paru melibatkan penyuntikan kontras, bisa melalui vena di lengan ataupun melalui kateter yang dimasukkan ke dalam arteri pulmonalis, biasanya melalui akses vena femoralis atau jugularis. Setelah agen kontras diinjeksikan, serangkaian gambar pencitraan diambil, baik dengan CT scan atau MRI, untuk mengevaluasi aliran darah dan mengidentifikasi abnormalitas vaskular.

Computed Tomography Pulmonary Angiography (CTPA) dimulai dengan pemasangan akses intravena di lengan pasien, diikuti oleh injeksi agen kontras untuk meningkatkan visualisasi arteri pulmonalis. Pasien kemudian diminta menahan napas selama beberapa detik untuk mengurangi artefak gerakan selama pencitraan.

Invasive Pulmonary Angiography (IPA) dilakukan di laboratorium kateterisasi dengan menggunakan fluoroskopi untuk memandu kateter yang dimasukkan melalui vena besar, biasanya vena femoralis atau vena jugularis internal, menuju arteri pulmonalis. Setelah kateter diposisikan dengan benar, agen kontras diinjeksikan langsung ke dalam arteri pulmonalis.

Referensi

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