{"id":20360,"date":"2023-04-14T20:55:45","date_gmt":"2023-04-14T13:55:45","guid":{"rendered":"http:\/\/noithathoaphat.in\/ctv\/?p=20360"},"modified":"2023-04-17T15:44:07","modified_gmt":"2023-04-17T08:44:07","slug":"tong-quan-thuoc-chen-beta-giao-cam-co-gi-moi","status":"publish","type":"post","link":"http:\/\/noithathoaphat.in\/ctv\/index.php\/2023\/04\/14\/tong-quan-thuoc-chen-beta-giao-cam-co-gi-moi\/","title":{"rendered":"T\u1ed5ng quan thu\u1ed1c ch\u1eb9n beta giao c\u1ea3m c\u00f3 g\u00ec m\u1edbi?"},"content":{"rendered":"<p><strong><span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">Ch\u1eb9n beta giao c\u1ea3m (beta-adrenergic blockers) hay c\u00f2n g\u1ecdi l\u00e0 thu\u1ed1c ch\u1eb9n beta (beta blockers), l\u00e0 m\u1ed9t nh\u00f3m thu\u1ed1c ho\u1ea1t \u0111\u1ed9ng theo c\u01a1 ch\u1ebf kh\u00e1ng th\u1ee5 th\u1ec3 giao c\u1ea3m \u03b2 (\u03b2-adrenergic).<\/span><\/span><\/strong><\/p>\n<p><strong><span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">1.Gi\u1edbi thi\u1ec7u chung<\/span><\/span><\/strong><\/p>\n<p><span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">Ch\u1eb9n beta giao c\u1ea3m (beta-adrenergic blockers) hay c\u00f2n g\u1ecdi l\u00e0 thu\u1ed1c ch\u1eb9n beta (beta blockers), l\u00e0 m\u1ed9t nh\u00f3m thu\u1ed1c ho\u1ea1t \u0111\u1ed9ng theo c\u01a1 ch\u1ebf kh\u00e1ng th\u1ee5 th\u1ec3 giao c\u1ea3m \u03b2 (\u03b2-adrenergic). <\/span><span style=\"vertical-align: inherit;\">Thu\u1ed1c ch\u1eb9n beta l\u1ea7n \u0111\u1ea7u ti\u00ean \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong th\u1ef1c t\u1ebf l\u00e2m s\u00e0ng l\u00e0 propranolol v\u00e0o n\u0103m 1965, \u0111\u01b0\u1ee3c ph\u00e1t minh b\u1edfi James Black, b\u00e1c s\u0129 ng\u01b0\u1eddi Scotland \u0111\u00e3 \u0111\u00e1nh m\u1ed9t b\u01b0\u1edbc ti\u1ebfn l\u1edbn trong \u0111i\u1ec1u tr\u1ecb n\u1ed9i khoa c\u00e1c b\u1ec7nh l\u00fd tim m\u1ea1ch.<\/span><\/span><\/p>\n<p><span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">Sau h\u01a1n 50 n\u0103m ph\u00e1t tri\u1ec3n, c\u00e1c th\u1ebf h\u1ec7 thu\u1ed1c ch\u1eb9n beta l\u1ea7n cu\u1ed1i \u0111\u1eddi v\u1edbi m\u1ee9c \u0111\u1ed9 ch\u1ecdn l\u1ecdc thu nh\u1eadn ng\u00e0y c\u00e0ng cao, c\u00f9ng v\u1edbi c\u00e1c b\u1eb1ng ch\u1ee9ng thuy\u1ebft ph\u1ee5c qua c\u00e1c th\u1eed nghi\u1ec7m l\u00e2m s\u00e0ng tr\u00ean nhi\u1ec1u \u0111\u1ed1i t\u01b0\u1ee3ng b\u1ec7nh l\u00fd tim m\u1ea1ch nh\u01b0 suy tim, b\u1ec7nh l\u00fd m\u1ea1ch v\u00e0nh, r\u1ed1i lo\u1ea1n nh\u1ecbp tim\u2026 \u0111\u00e3 cho th\u1ea5y vai tr\u00f2 to l\u1edbn v\u00e0 kh\u00f4ng th\u1ec3 thi\u1ebfu thu\u1ed1c ch\u1eb9n beta trong th\u1eddi k\u1ef3 nguy\u00ean tim m\u1ea1ch hi\u1ec7n \u0111\u1ea1i.<\/span><\/span><\/p>\n<p><strong><span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">2.D\u01b0\u1ee3c h\u1ecdc c\u1ee7a thu\u1ed1c ch\u1eb9n beta giao c\u1ea3m<\/span><\/span><\/strong><\/p>\n<p><span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">Trong h\u01a1n 30 lo\u1ea1i ch\u1eb9n beta \u0111\u01b0\u1ee3c ph\u00e1t minh v\u00e0 ph\u00e1t tri\u1ec3n cho \u0111\u1ebfn nay, ch\u1ec9 m\u1ed9t s\u1ed1 \u00edt \u0111\u01b0\u1ee3c \u1ee9ng d\u1ee5ng tr\u00ean th\u1ef1c t\u1ebf \u0111i\u1ec1u tr\u1ecb l\u00e2m s\u00e0ng. <\/span><span style=\"vertical-align: inherit;\">H\u1ea7u h\u1ebft c\u00e1c lo\u1ea1i thu\u1ed1c \u0111\u1ec1u \u0111\u01b0\u1ee3c h\u1ea5p thu t\u1ed1t qua \u0111\u01b0\u1eddng u\u1ed1ng, v\u1edbi th\u1eddi gian \u0111\u1ea7u t\u00e1c d\u1ee5ng t\u1eeb 1 \u2013 3h.<\/span><\/span><\/p>\n<p><span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">C\u00e1c thu\u1ed1c ch\u1eb9n beta kh\u00e1c nhau c\u00f3 m\u1ee9c \u0111\u1ed9 h\u00f2a tan trong lipid kh\u00e1c nhau. <\/span><span style=\"vertical-align: inherit;\">C\u00e1c thu\u1ed1c h\u00f2a tan trong lipid nh\u01b0 propranolol hay metoprolol ch\u1ee7 y\u1ebfu chuy\u1ec3n h\u00f3a h\u00f3a \u1edf gan, \u0111\u1ed3ng th\u1eddi c\u00e1c nh\u00f3m thu\u1ed1c tan trong n\u01b0\u1edbc ch\u1ee7 y\u1ebfu \u0111\u00e0o th\u1ea3i qua th\u1eadn.<\/span><\/span><\/p>\n<p><span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">M\u1ed9t y\u1ebfu t\u1ed1 c\u00f3 \u1ea3nh h\u01b0\u1edfng r\u1ea5t quan tr\u1ecdng \u0111\u1ebfn d\u01b0\u1ee3c \u0111\u1ed9ng h\u1ecdc c\u1ee7a m\u1ed9t lo\u1ea1i thu\u1ed1c, bao g\u1ed3m c\u1ea3 thu\u1ed1c ch\u1eb9n beta, \u0111\u00f3 l\u00e0 t\u00ednh tan trong lipid. <\/span><span style=\"vertical-align: inherit;\">\u0110\u1eb7c \u0111i\u1ec3m chung l\u00e0 c\u00e1c thu\u1ed1c tan trong lipid (propranolol, metoprolol, carvedilol, timolol) bao g\u1ed3m:<\/span><\/span><\/p>\n<ul>\n<li><span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">\u0110\u01b0\u1ee3c h\u1ea5p th\u1ee5 nhanh v\u00e0 ho\u00e0n to\u00e0n t\u1eeb h\u1ec7 th\u1ed1ng ti\u00eau h\u00f3a.<\/span><\/span><\/li>\n<li><span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">\u0110\u01b0\u1ee3c chuy\u1ec3n h\u00f3a qua gan.<\/span><\/span><\/li>\n<li><span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">G\u1eafn m\u1ea1nh v\u1edbi protein huy\u1ebft t\u01b0\u01a1ng.<\/span><\/span><\/li>\n<li><span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">\u0110\u01b0\u1ee3c ph\u00e2n ph\u1ed1i r\u1ed9ng r\u00e3i cho c\u00e1c m\u00f4-\u0111un v\u00e0 ph\u1ea7n m\u1ec1m kh\u1eafp c\u01a1 th\u1ec3.<\/span><\/span><\/li>\n<li><span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">C\u00f3 th\u1eddi gian b\u00e1n ng\u1eafn.<\/span><\/span><\/li>\n<\/ul>\n<p><span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">Trong khi \u0111\u00f3 c\u00e1c ch\u1ea5t tan trong n\u01b0\u1edbc v\u00e0 \u0111\u00e0o th\u1ea3i qua th\u1eadn nh\u01b0 atenolol, nadolol, sotalol, carteolol, acebutolol c\u00f3 c\u00e1c thu\u1ed9c t\u00ednh d\u01b0\u1ee3c l\u00fd ng\u01b0\u1ee3c.<\/span><\/span><\/p>\n<p><span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">\u0110\u1eb7c t\u00ednh g\u1eafn k\u1ebft v\u1edbi protein huy\u1ebft t\u01b0\u01a1ng s\u1ebd \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn vi\u1ec7c s\u1eed d\u1ee5ng thu\u1ed1c tr\u00ean b\u1ec7nh nh\u00e2n suy gan. <\/span><span style=\"vertical-align: inherit;\">Nh\u1eefng thu\u1ed1c g\u1eafn v\u1edbi protein huy\u1ebft t\u01b0\u01a1ng cao c\u1ea7n th\u1eadn tr\u1ecdng \u0111\u1ed1i v\u1edbi b\u1ec7nh nh\u00e2n suy gan v\u00e0 nh\u1eefng thu\u1ed1c g\u1eafn \u00edt s\u1ebd an to\u00e0n h\u01a1n.<\/span><\/span><\/p>\n<p><strong><span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">3.D\u01b0\u1ee3c l\u1ef1c h\u1ecdc<\/span><\/span><\/strong><\/p>\n<p><span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">V\u1ec1 c\u01a1 b\u1ea3n, th\u1ee5 th\u1ec3 beta giao c\u1ea3m \u0111\u01b0\u1ee3c chia l\u00e0m ba lo\u1ea1i:<\/span><\/span><\/p>\n<h3><span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">3.1 Th\u1ee5 th\u1ec3 beta 1:<\/span><\/span><\/h3>\n<p><span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">C\u00f3 m\u1eb7t ch\u1ee7 y\u1ebfu t\u1ea1i th\u1eddi \u0111i\u1ec3m.<\/span><\/span><\/p>\n<h3><span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">3.2 Th\u1ee5 th\u1ec3 beta 2:<\/span><\/span><\/h3>\n<p><span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">c\u00f3 m\u1eb7t t\u1ea1i c\u00e1c m\u1ea1ch m\u00e1u, c\u01a1 tr\u01a1n qu\u1ea3n l\u00fd v\u00e0 c\u01a1 tim.<\/span><\/span><\/p>\n<h3><span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">3.3 Th\u1ee5 th\u1ec3 beta 3:<\/span><\/span><\/h3>\n<p><span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">C\u00f3 m\u1eb7t t\u1ea1i c\u00e1c t\u1ebf b\u00e0o m\u1ee1.<\/span><\/span><\/p>\n<p><span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">T\u00e1c d\u1ee5ng c\u1ee7a thu\u1ed1c ch\u1eb9n beta ph\u1ee5 thu\u1ed9c v\u00e0o n\u1ed3ng \u0111\u1ed9 thu\u1ed1c, m\u1ee9c \u0111\u1ed9 ch\u1eb9n ch\u1ecdn b\u1ed9 l\u1ecdc th\u1ee5 th\u1ec3 beta, ho\u1ea1t t\u00ednh giao c\u1ea3m n\u1ed9i t\u1ea1i v\u00e0 t\u00e1c d\u1ee5ng k\u00e8m theo.<\/span><\/span><\/p>\n<h4><span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">3.3.1 N\u1ed3ng \u0111\u1ed9 thu\u1ed1c:<\/span><\/span><\/h4>\n<p><span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">\u1ede nhi\u1ec7t \u0111\u1ed9 th\u1ea5p, thu\u1ed1c ch\u1eb9n beta \u1ee9c ch\u1ebf c\u00e1c th\u1ee5 th\u1ec3 \u1edf c\u00e1c m\u1ee9c \u0111\u1ed9 kh\u00e1c nhau. <\/span><span style=\"vertical-align: inherit;\">M\u1ed9t s\u1ed1 thu\u1ed1c t\u00e1c \u0111\u1ed9ng l\u00ean th\u1ee5 th\u1ec3 beta 1 t\u01b0\u01a1ng \u0111\u01b0\u01a1ng v\u1edbi th\u1ee5 th\u1ec3 beta 2 (v\u00ed d\u1ee5: propranolol), trong khi \u0111\u00f3 m\u1ed9t s\u1ed1 thu\u1ed1c \u01b0u ti\u00ean h\u01a1n tr\u00ean th\u1ee5 th\u1ec3 beta 1 (v\u00ed d\u1ee5: nebivolol, metoprolol, bisoprolol).<\/span><\/span><\/p>\n<h4><span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">3.3.2 Ch\u1ecdn tr\u00ean th\u1ee5 th\u1ec3 beta:<\/span><\/span><\/h4>\n<p><span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">D\u01b0\u1edbi t\u00e1c d\u1ee5ng ch\u1ecdn l\u1ecdc \u01b0u ti\u00ean thay th\u1ebf t\u1ea1i th\u1ee5 th\u1ec3 beta 1, c\u00e1c lo\u1ea1i thu\u1ed1c trong nh\u00f3m n\u00e0y t\u00e1c \u0111\u1ed9ng ch\u1ee7 y\u1ebfu v\u00e0o th\u1eddi gian v\u00e0 \u00edt g\u00e2y \u1ea3nh h\u01b0\u1edfng l\u00ean c\u01a1 tr\u01a1n che ph\u1ee7, do \u0111\u00f3 l\u00e0m gi\u1ea3m c\u00e1c t\u00e1c d\u1ee5ng kh\u00f4ng mong mu\u1ed1n g\u00e2y ra th\u1eaft l\u01b0ng qu\u1ea3n l\u00fd . <\/span><span style=\"vertical-align: inherit;\">Tuy nhi\u00ean, t\u00ednh n\u0103ng l\u1ecdc n\u00e0y c\u0169ng gi\u1ea3m \u0111i khi s\u1eed d\u1ee5ng thu\u1ed1c \u1edf m\u1ee9c cao. <\/span><span style=\"vertical-align: inherit;\">H\u1ea7u h\u1ebft c\u00e1c lo\u1ea1i thu\u1ed1c ch\u1eb9n beta s\u1eed d\u1ee5ng tr\u00ean l\u00e2m s\u00e0ng l\u00e0 c\u00e1c thu\u1ed1c \u0111\u1ed1i kh\u00e1ng \u201c\u0111\u01a1n thu\u1ea7n\u201d, thu\u1ed1c g\u1eafn v\u00e0o c\u00e1c th\u1ee5 th\u1ec3 beta v\u00e0 do \u0111\u00f3 \u1ee9c ch\u1ebf ho\u1ea1t \u0111\u1ed9ng h\u00f3a th\u1ee5 th\u1ec3 b\u1edfi c\u00e1c t\u00e1c nh\u00e2n k\u00edch th\u00edch.<\/span><\/span><\/p>\n<h4><span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">3.3.3 Ho\u1ea1t h\u00f3a th\u1ea7n kinh giao c\u1ea3m n\u1ed9i t\u1ea1i:<\/span><\/span><\/h4>\n<p><span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">M\u1eb7t kh\u00e1c, b\u00ean c\u1ea1nh \u1ee9ng d\u1ee5ng ch\u1eb9n beta giao c\u1ea3m, m\u1ed9t s\u1ed1 thu\u1ed1c nh\u01b0 pindolol hay acebutolol c\u00f2n c\u00f3 t\u00e1c d\u1ee5ng ho\u1ea1t h\u00f3a th\u1ea7n kinh giao c\u1ea3m n\u1ed9i t\u1ea1i (ISA \u2013 Intrinsic Sympathomimetic activity). <\/span><span style=\"vertical-align: inherit;\">Nh\u1eefng nh\u00f3m thu\u1ed1c n\u00e0y l\u00e0m gi\u1ea3m nh\u1ecbp tim v\u00e0 cung c\u1ea5p th\u1eddi gian \u00edt h\u01a1n so v\u1edbi c\u00e1c thu\u1ed1c kh\u00f4ng c\u00f3 ISA.<\/span><\/span><\/p>\n<p><span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">M\u1ed9t s\u1ed1 nh\u00f3m thu\u1ed1c ch\u1eb9n beta th\u1ebf h\u1ec7 m\u1edbi ngo\u00e0i t\u00e1c d\u1ee5ng ch\u1eb9n beta giao c\u1ea3m c\u00f2n c\u00f3 c\u00e1c t\u00e1c d\u1ee5ng d\u01b0\u1ee3c l\u00fd kh\u00e1c nh\u01b0 gi\u00e3n m\u1ea1ch, ch\u1ed1ng oxy h\u00f3a\u2026<\/span><\/span><\/p>\n<h3><strong><span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">3.4 C\u01a1 ch\u1ebf ho\u1ea1t \u0111\u1ed9ng<\/span><\/span><\/strong><\/h3>\n<p><span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">T\u1ea5t c\u1ea3 c\u00e1c thu\u1ed1c ch\u1eb9n beta \u0111\u1ec1u c\u00f3 t\u00e1c d\u1ee5ng \u0111\u1ed1i kh\u00e1ng catecholamine khi h\u1ea5p th\u1ee5 th\u1ec3 beta, l\u00e0m gi\u1ea3m t\u00e1c d\u1ee5ng c\u1ee7a catecholamine khi h\u1ea5p th\u1ee5, gi\u1ea3m s\u1ea3n xu\u1ea5t cAMP, \u1ee9c ch\u1ebf d\u00f2ng canxi \u0111i v\u00e0o v\u00e0 gi\u1ea3i ph\u00f3ng canxi th\u00f4ng qua l\u01b0\u1edbi n\u1ed9i. sinh ch\u1ea5t.<\/span><\/span><\/p>\n<p><span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">Nh\u1eefng t\u00e1c \u0111\u1ed9ng n\u00e0y l\u00e0m gi\u1ea3m co co c\u01a1 tim, gi\u1ea3m t\u1ea7n s\u1ed1 th\u1eddi gian l\u00e0m gi\u1ea3m t\u00ednh t\u1ef1 \u0111\u1ed9ng c\u1ee7a n\u00fat xoang, gi\u1ea3m d\u1eabn truy\u1ec1n nh\u0129 th\u1ea5t<\/span><\/span><\/p>\n<h3><span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">3.5 T\u00e1c d\u1ee5ng c\u1ee7a thu\u1ed1c ch\u1eb9n beta tr\u00ean tim m\u1ea1ch<\/span><\/span><\/h3>\n<p><span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">Hi\u1ec7u qu\u1ea3 gi\u1ea3m t\u1ea7n s\u1ed1 tim v\u00e0 gi\u1ea3m co b\u00f3p c\u01a1 tim \u0111\u01b0\u1ee3c \u1ee9ng d\u1ee5ng trong \u0111i\u1ec1u tr\u1ecb c\u01a1n \u0111au th\u1eaft ng\u1ef1c l\u00e0m gi\u1ea3m nhu c\u1ea7u oxy c\u01a1 tim, trong khi \u0111\u00f3 t\u00e1c d\u1ee5ng gi\u1ea3m t\u1ed1c d\u1eabn truy\u1ec1n qua n\u00fat nh\u0129 th\u1ea5t c\u00f3 t\u00e1c d\u1ee5ng c\u1eaft c\u01a1n nh\u1ecbp nhanh , ki\u1ec3m so\u00e1t t\u1ea7n s\u1ed1 th\u1ea5t b\u1ea1i trong rung nh\u0129.<\/span><\/span><\/p>\n<p><span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">Thu\u1ed1c ch\u1eb9n beta \u0111\u00f3ng vai tr\u00f2 quan tr\u1ecdng trong \u0111i\u1ec1u tr\u1ecb suy tim, nh\u1edd t\u00e1c d\u1ee5ng h\u1ea1n ch\u1ebf s\u1ef1 ho\u1ea1t \u0111\u1ed9ng h\u00f3a qu\u00e1 m\u1ee9c th\u00fac \u0111\u1ea9y th\u1ea7n kinh giao c\u1ea3m.<\/span><\/span><\/p>\n<h3><span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">3.6 T\u00e1c d\u1ee5ng tr\u00ean m\u1ea1ch v\u00e0nh v\u00e0 c\u01a1 tim:<\/span><\/span><\/h3>\n<p><span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">Qu\u00e1 tr\u00ecnh <\/span><\/span><span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">\u00a0d\u1eabn \u0111\u1ebfn gi\u00e3n m\u1ea1ch v\u00e0nh th\u00f4ng qua th\u1ee5 th\u1ec3 beta, \u0111\u1ed3ng th\u1eddi l\u00e0m t\u0103ng <\/span><\/span><span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">nh\u1ecbp tim v\u00e0 t\u0103ng co b\u00f3p c\u01a1 tim, d\u1eabn \u0111\u1ebfn t\u0103ng nhu c\u1ea7u ti\u00eau th\u1ee5 oxy c\u01a1 tim. <\/span><span style=\"vertical-align: inherit;\">Thu\u1ed1c <\/span><\/span><span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">ch\u1eb9n beta t\u00e1c \u0111\u1ed9ng l\u00e0m gi\u1ea3m t\u00e1c d\u1ee5ng gi\u00e3n m\u1ea1ch v\u00e0nh nh\u01b0ng \u0111\u1ed3ng th\u1eddi l\u00e0m gi\u1ea3m <\/span><\/span><span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">nh\u1ecbp th\u1eddi gian, k\u00e9o d\u00e0i th\u1eddi gian trung t\u00e2m d\u1eabn \u0111\u1ebfn t\u0103ng th\u1eddi gian gi\u00e3n m\u1ea1ch <\/span><\/span><span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">v\u00e0nh, gi\u1ea3m co b\u00f3p c\u01a1 tim, gi\u1ea3m nhu c\u1ea7u ti\u00eau th\u1ee5 oxy c\u01a1 tim .<\/span><\/span><\/p>\n<h3><span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">3.7 T\u00e1c d\u1ee5ng tr\u00ean tu\u1ea7n ho\u00e0n h\u1ec7 th\u1ed1ng:<\/span><\/span><\/h3>\n<p><span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">Hi\u1ec7u qu\u1ea3 h\u1ea1 \u00e1p c\u1ee7a thu\u1ed1c ch\u1eb9n beta giao c\u1ea3m bao g\u1ed3m t\u00e1c \u0111\u1ed9ng c\u1ee7a nhi\u1ec1u c\u01a1 ch\u1ebf kh\u00e1c nhau. <\/span><span style=\"vertical-align: inherit;\">\u00a0<\/span><span style=\"vertical-align: inherit;\">Sau 24h, huy\u1ebft \u00e1p h\u1ec7 th\u1ed1ng b\u1eaft \u0111\u1ea7u gi\u1ea3m d\u1ea7n theo t\u00e1c d\u1ee5ng c\u1ee7a gi\u1ea3m co b\u00f3p c\u01a1 tim, gi\u1ea3m nh\u1ecbp tim. <\/span><span style=\"vertical-align: inherit;\">M\u1eb7t kh\u00e1c, c\u01a1 ch\u1ebf h\u1ea1 huy\u1ebft \u00e1p h\u1ec7 th\u1ed1ng c\u00f3 th\u1ec3 c\u00f2n li\u00ean quan \u0111\u1ebfn c\u00e1c c\u01a1 ch\u1ebf kh\u00e1c:<\/span><\/span><\/p>\n<ul>\n<li><span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">\u1ee8c ch\u1ebf th\u1ee5 th\u1ec3 beta t\u1ea1i c\u00e1c n\u01a1-ron th\u1ea7n kinh l\u00e0m gi\u1ea3m gi\u1ea3i ph\u00f3ng norepinephrine, d\u1eabn \u0111\u1ebfn \u1ee9c ch\u1ebf co m\u1ea1ch.<\/span><\/span><\/li>\n<li><span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">T\u00e1c \u0111\u1ed9ng l\u00ean th\u1ea7n kinh trung \u01b0\u01a1ng l\u00e0m h\u1ea1 huy\u1ebft \u00e1p.<\/span><\/span><\/li>\n<li><span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">Ho\u1ea1t \u0111\u1ed9ng c\u1ee7a h\u1ec7 th\u1ed1ng renin \u2013 angiotensin (RAS) do beta c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c coi l\u00e0 trung gian gi\u1ea3i ph\u00f3ng renin.<\/span><\/span><\/li>\n<li><span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">T\u00e1c d\u1ee5ng ch\u1ed1ng r\u1ed1i lo\u1ea1n nh\u1ecbp: Ch\u1eb9n beta giao c\u1ea3m c\u00f3 nhi\u1ec1u c\u01a1 ch\u1ebf ch\u1ed1ng r\u1ed1i lo\u1ea1n nh\u1ecbp.<\/span><\/span><\/li>\n<\/ul>\n<p><span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">Thu\u1ed1c \u1ee9c ch\u1ebf catecholamine do \u0111\u00f3 \u1ee9c ch\u1ebf r\u1ed1i lo\u1ea1n nh\u1ecbp th\u00f4ng qua c\u01a1 ch\u1ebf t\u0103ng qu\u00e1 m\u1ee9c catecholamine (v\u00ed d\u1ee5: trong b\u1ec7nh l\u00fd \u1ee9 m\u00e1u c\u01a1 tim c\u1ea5p, suy tim, u tri\u1ec1u th\u01b0\u1ee3ng th\u1eadn, r\u1ed1i lo\u1ea1n lo \u00e2u, r\u1ed1i lo\u1ea1n nh\u1ecbp li\u00ean) ho\u1eb7c qu\u00e1 nh\u1ea1y c\u1ea3m v\u1edbi catecholamine.<\/span><\/span><\/p>\n<p><span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">M\u1eb7t kh\u00e1c, thu\u1ed1c c\u00f2n l\u00e0m gi\u1ea3m t\u00ednh t\u1ef1 \u0111\u1ed9ng c\u1ee7a c\u00e1c \u1ed5 ngo\u1ea1i v\u1ecb, gi\u1ea3m t\u1ea7n su\u1ea5t c\u1ee7a c\u00e1c \u1ed5 ngo\u1ea1i t\u00e2m thu nh\u0129 v\u00e0 th\u1ea5t b\u1ea1i, c\u00f3 t\u00e1c d\u1ee5ng d\u1ef1 ki\u1ebfn \u200b\u200bph\u00f2ng t\u00e1i ph\u00e1t nh\u1ecbp \u0111i\u1ec7u k\u1ecbch ph\u00e1t tr\u00ean th\u1ea5t b\u1ea1i.<\/span><\/span><\/p>\n<p><span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">Th\u00eam v\u00e0o \u0111\u00f3, thu\u1ed1c ch\u1eb9n beta \u1ee9c ch\u1ebf d\u1eabn truy\u1ec1n qua n\u00fat nh\u0129 th\u1ea5t, c\u00f3 th\u1ec3 c\u1eaft v\u00f2ng quay tr\u1edf l\u1ea1i trong c\u01a1n\u00a0 nh\u1ecbp nhanh k\u1ecbch ph\u00e1t tr\u00ean th\u1ea5t c\u0169ng nh\u01b0 ki\u1ec3m so\u00e1t t\u1ea7n s\u1ed1\u00a0 trong c\u01a1n rung nh\u0129, cu\u1ed3ng nh\u0129, nhanh nh\u0129.<\/span><\/span><\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Ch\u1eb9n beta giao c\u1ea3m (beta-adrenergic blockers) hay c\u00f2n g\u1ecdi l\u00e0 thu\u1ed1c ch\u1eb9n beta (beta blockers), l\u00e0 m\u1ed9t nh\u00f3m thu\u1ed1c ho\u1ea1t \u0111\u1ed9ng theo c\u01a1 ch\u1ebf kh\u00e1ng th\u1ee5 th\u1ec3 giao c\u1ea3m \u03b2 (\u03b2-adrenergic). 1.Gi\u1edbi thi\u1ec7u chung Ch\u1eb9n beta giao c\u1ea3m (beta-adrenergic blockers) hay c\u00f2n g\u1ecdi l\u00e0 thu\u1ed1c ch\u1eb9n beta (beta blockers), l\u00e0 m\u1ed9t nh\u00f3m thu\u1ed1c ho\u1ea1t \u0111\u1ed9ng [&hellip;]<\/p>\n","protected":false},"author":7,"featured_media":20377,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[12,33],"tags":[3],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v20.4 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Ch\u1eb9n beta giao c\u1ea3m c\u00f3 g\u00ec m\u1edbi<\/title>\n<meta name=\"description\" content=\"Ch\u1eb9n beta giao c\u1ea3m l\u00e0 thu\u1ed1c quan tr\u1ecdng, th\u01b0\u1eddng g\u1eb7p trong th\u1ef1c h\u00e0nh l\u00e2m s\u00e0ng. 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