{"id":105935,"date":"2023-08-09T00:00:00","date_gmt":"2023-08-09T00:00:00","guid":{"rendered":"https:\/\/docosan-blog.local\/blog\/uncategorized\/sieu-am-tuyen-vu\/"},"modified":"2025-09-05T12:45:00","modified_gmt":"2025-09-05T05:45:00","slug":"sieu-am-tuyen-vu","status":"publish","type":"post","link":"https:\/\/www.docosan.com\/blog\/phu-san\/sieu-am-tuyen-vu\/","title":{"rendered":"Si\u00eau \u00e2m tuy\u1ebfn v\u00fa – Ph\u01b0\u01a1ng ph\u00e1p t\u1ea7m so\u00e1t ung th\u01b0 v\u00fa hi\u1ec7u qu\u1ea3"},"content":{"rendered":"

Si\u00eau \u00e2m tuy\u1ebfn v\u00fa l\u00e0 m\u1ed9t x\u00e9t nghi\u1ec7m h\u00ecnh \u1ea3nh th\u01b0\u1eddng \u0111\u01b0\u1ee3c d\u00f9ng trong ch\u1ea9n \u0111o\u00e1n c\u00e1c t\u1ed5n th\u01b0\u01a1ng v\u00fa. \u0110\u00e2y l\u00e0 m\u1ed9t ph\u01b0\u01a1ng ph\u00e1p an to\u00e0n, \u0111\u1ed9 ch\u00ednh x\u00e1c cao v\u00e0 cho k\u1ebft qu\u1ea3 nhanh ch\u00f3ng. H\u00e3y c\u00f9ng Doctor c\u00f3 s\u1eb5n<\/a> t\u00ecm hi\u1ec3u nh\u1eefng th\u00f4ng tin h\u1eefu \u00edch v\u1ec1 ph\u01b0\u01a1ng ph\u00e1p ch\u1ea9n \u0111o\u00e1n n\u00e0y qua b\u00e0i chia s\u1ebb d\u01b0\u1edbi \u0111\u00e2y.<\/strong><\/p>\r\n\r\n\r\n\r\n

Si\u00eau \u00e2m tuy\u1ebfn v\u00fa l\u00e0 g\u00ec?<\/h2>\r\n\r\n\r\n\r\n

Si\u00eau \u00e2m tuy\u1ebfn v\u00fa l\u00e0 m\u1ed9t x\u00e9t nghi\u1ec7m h\u00ecnh \u1ea3nh kh\u00f4ng x\u00e2m l\u1ea5n gi\u00fap ghi nh\u1eadn h\u00ecnh \u1ea3nh m\u00f4 h\u1ecdc b\u00ean trong tuy\u1ebfn v\u00fa. Ph\u01b0\u01a1ng ph\u00e1p n\u00e0y s\u1eed d\u1ee5ng \u0111\u1ea7u d\u00f2 s\u00f3ng si\u00eau \u00e2m trong kho\u1ea3ng 7.5 MHz \u0111\u1ebfn 23 MHz gi\u00fap ph\u00e1t s\u00f3ng si\u00eau \u00e2m \u0111i qua c\u00e1c c\u1ea5u tr\u00fac m\u00f4 v\u00e0 ghi nh\u1eadn nh\u1eefng \u00e2m ph\u1ea3n x\u1ea1 gi\u00fap t\u00e1i t\u1ea1o n\u00ean h\u00ecnh \u1ea3nh v\u1ec1 c\u1ea5u tr\u00fac b\u00ean trong c\u01a1 th\u1ec3.\u00a0<\/p>\r\n\r\n\r\n\r\n

Ph\u01b0\u01a1ng ph\u00e1p n\u00e0y \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng l\u1ea7n \u0111\u1ea7u ti\u00ean b\u1edfi 2 nh\u00e0 khoa h\u1ecdc Wild v\u00e0 Reid v\u00e0o n\u0103m 1954. M\u1ee5c ti\u00eau ban \u0111\u1ea7u c\u1ee7a si\u00eau \u00e2m tuy\u1ebfn v\u00fa l\u00e0 \u0111\u1ec3 ph\u00e2n bi\u1ec7t c\u00e1c kh\u1ed1i u l\u00e0nh t\u00ednh v\u00e0 \u00e1c t\u00ednh. Trong l\u1ea7n th\u1eed nghi\u1ec7m \u0111\u1ea7u ti\u00ean, ph\u01b0\u01a1ng ph\u00e1p n\u00e0y \u0111\u00e3 cho th\u1ea5y \u0111\u1ed9 ch\u00ednh x\u00e1c v\u00e0 tin c\u1eady cao khi Wild v\u00e0 Reid \u0111\u00e3 m\u00f4 t\u1ea3 th\u00e0nh c\u00f4ng c\u00e1c c\u1ea5u tr\u00fac ti\u1ec1n ph\u1eabu thu\u1eadt c\u1ee7a 12 kh\u1ed1i u \u00e1c t\u00ednh v\u00e0 9 kh\u1ed1i u l\u00e0nh t\u00ednh.\u00a0<\/p>\r\n\r\n\r\n\r\n

C\u00f9ng v\u1edbi s\u1ef1 c\u1ea3i ti\u1ebfn c\u00f4ng ngh\u1ec7 v\u00e0 k\u1ef7 nguy\u00ean k\u1ef9 thu\u1eadt s\u1ed1, si\u00eau \u00e2m tuy\u1ebfn v\u00fa \u0111\u00e3 nhanh ch\u00f3ng tr\u1edf th\u00e0nh m\u1ed9t trong nh\u1eefng x\u00e9t nghi\u1ec7m kh\u00f4ng x\u00e2m l\u1ea5n nhanh ch\u00f3ng, ti\u1ebft ki\u1ec7m chi ph\u00ed v\u00e0 c\u00f3 \u0111\u1ed9 ch\u00ednh x\u00e1c cao g\u00f3p ph\u1ea7n h\u1ed7 tr\u1ee3 ch\u1ea9n \u0111o\u00e1n b\u1ec7nh v\u00fa.\u00a0<\/p>\r\n\r\n\r\n\r\n

C\u00e1c h\u00ecnh th\u1ee9c si\u00eau \u00e2m tuy\u1ebfn v\u00fa ph\u1ed5 bi\u1ebfn hi\u1ec7n nay<\/h2>\r\n\r\n\r\n\r\n

Si\u00eau \u00e2m v\u00fa s\u1eed d\u1ee5ng \u0111\u1ea7u d\u00f2 c\u1ea7m tay<\/strong> (Handheld US: HHUS<\/strong>) l\u00e0 ph\u01b0\u01a1ng ph\u00e1p si\u00eau \u00e2m ph\u1ed5 bi\u1ebfn hi\u1ec7n nay. Tuy nhi\u00ean, th\u1ef1c hi\u1ec7n HHUS c\u1ea3 hai b\u00ean v\u00fa s\u1ebd m\u1ea5t nhi\u1ec1u th\u1eddi gian, c\u00f3 t\u1ef7 l\u1ec7 \u00e2m t\u00ednh gi\u1ea3 cao v\u00e0 ph\u1ee5 thu\u1ed9c nhi\u1ec1u v\u00e0o ng\u01b0\u1eddi th\u1ef1c hi\u1ec7n. Do \u0111\u00f3, nh\u1eefng c\u00f4ng ngh\u1ec7 ti\u00ean ti\u1ebfn nh\u01b0 si\u00eau \u00e2m doppler, si\u00eau \u00e2m qu\u00e9t kh\u1ed1i v\u00fa 3D v\u00e0 si\u00eau \u00e2m \u0111\u00e0n h\u1ed3i m\u00f4 \u0111\u00e3 \u0111\u01b0\u1ee3c ph\u00e1t tri\u1ec3n v\u00e0 tr\u1edf th\u00e0nh nh\u1eefng c\u00f4ng c\u1ee5 h\u1eefu \u00edch trong ph\u00e1t hi\u1ec7n t\u1ed5n th\u01b0\u01a1ng m\u00f4 v\u00fa.<\/p>\r\n\r\n\r\n\r\n

Trong 1 th\u1eadp k\u1ef7 g\u1ea7n \u0111\u00e2y, si\u00eau \u00e2m v\u00fa t\u1ef1 \u0111\u1ed9ng (ABUS)<\/strong> ra \u0111\u1eddi v\u1edbi nhi\u1ec1u \u01b0u \u0111i\u1ec3m n\u1ed5i b\u1eadt. K\u1ef9 thu\u1eadt n\u00e0y s\u1eed d\u1ee5ng m\u1ed9t \u0111\u1ea7u d\u00f2 l\u1edbn h\u01a1n nhi\u1ec1u \u0111\u1ec3 ghi nh\u1eadn h\u00e0ng tr\u0103m h\u00ecnh \u1ea3nh bao ph\u1ee7 g\u1ea7n nh\u01b0 to\u00e0n b\u1ed9 v\u00fa. C\u00e1ch \u0111\u00e2y h\u01a1n 5 n\u0103m, nh\u1eefng th\u1ebf h\u1ec7 m\u1edbi c\u1ee7a ABUS l\u00e0 ABVS- si\u00eau \u00e2m qu\u00e9t kh\u1ed1i v\u00fa 3D t\u1ef1 \u0111\u1ed9ng, \u0111\u00e3 \u0111\u01b0\u1ee3c c\u1ea3i ti\u1ebfn nhi\u1ec1u v\u1ec1 ch\u1ea5t l\u01b0\u1ee3ng h\u00ecnh \u1ea3nh.\u00a0<\/p>\r\n\r\n\r\n\r\n

ABVS \u0111\u00e3 gi\u00fap n\u00e2ng cao t\u1ec9 l\u1ec7 ch\u00ednh x\u00e1c v\u00e0 t\u00ednh \u0111\u1eb7c hi\u1ec7u c\u1ee7a c\u00e1c ch\u1ea9n \u0111o\u00e1n v\u1ec1 m\u00f4 v\u00fa, \u0111\u1eb7c bi\u1ec7t l\u00e0 \u1edf nh\u1eefng ph\u1ee5 n\u1eef c\u00f3 m\u00f4 v\u00fa d\u00e0y \u0111\u1eb7c. Th\u00e1ng 9\/2012, FDA \u0111\u00e3 \u0111\u1ed3ng \u00fd cho s\u1eed d\u1ee5ng ABVS trong t\u1ea7m so\u00e1t ung th\u01b0 v\u00fa \u1edf nh\u1eefng b\u1ec7nh nh\u00e2n c\u00f3 m\u00f4 tuy\u1ebfn v\u00fa d\u00e0y, tuy\u1ebfn v\u00fa \u0111\u1eb7c v\u00e0 c\u00f3 k\u1ebft qu\u1ea3 ch\u1ee5p nh\u0169 \u1ea3nh \u00e2m t\u00ednh. Hi\u1ec7n nay, \u1edf Vi\u1ec7t Nam, c\u00e1c c\u01a1 s\u1edf y t\u1ebf v\u1eabn ch\u01b0a s\u1eed d\u1ee5ng ph\u01b0\u01a1ng ph\u00e1p n\u00e0y.<\/p>\r\n\r\n\r\n\r\n

Khi n\u00e0o n\u1eef gi\u1edbi c\u1ea7n si\u00eau \u00e2m tuy\u1ebfn v\u00fa?<\/h2>\r\n\r\n\r\n\r\n

Si\u00eau \u00e2m tuy\u1ebfn v\u00fa s\u1ebd \u0111\u01b0\u1ee3c trong nh\u1eefng tr\u01b0\u1eddng h\u1ee3p nh\u01b0 sau:<\/p>\r\n\r\n\r\n\r\n