THÔNG NỐI CỬA CHỦ BẨM SINH
Congenital Portosystemic Shunts
BsCK2 Nguyễn Hữu Chí-Khoa Siêu âm-BV Nhi Đồng 1
•Thông nối cửa chủ:
Bất thường bẩm sinh hay mắc phải
•Tần suất 1/30.000
•Trong-ngoài gan
•Dị dạng mạch máu:
Sự thông nối giữa hệ TM cửa với hệ TMC dưới
Có thể đơn thuần hoặc trong HC đa dị tật
I.Mở đầu
II.Nhắc lại phôi thai
II.Nhắc lại phôi thai
Tháng thứ 4
Mới sinh: TMR và ống TM vẫn còn thông thương
N2-N5:TMR và ống tĩnh mạch đóng-> dc tròn, dc TM
Ở trẻ sinh non <33W: 6-14d
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