Beta-blockers - ka papa inoa o nā lāʻau lapaʻau

Hoʻokomoʻia nā Beta-blockers i lāʻau lapaʻau i hiki iā ia ke hoʻopau i kekahi mau beta-adrenergic mau loaʻa. ʻO kēia mau kālā ke hāʻawi pinepineʻia i ka wā:

He aha nā mea e loaʻa ai nā beta-adrenergic receptors?

He mau mea e loaʻa ai nā hawewe Beta-adrenergic e hana ana i nā hormones adrenaline a me noradrenaline a ua māheleʻia iʻekolu mau hui:

  1. β1 - ka nui o ka mea i haʻiʻia ma ka puʻuwai, a me ka hoʻonāukiukiʻana o lākou ka piʻiʻana o ka ikaika a me ka pinepine o nā kū'ē'ē o ka naʻau, ke piʻi aʻe ke koko; a aia nā'anakolu β1-neʻeneʻe i loko o nā puʻupaʻa a lilo i mea loaʻa o nā mea hana lobe kokoke kokoke;
  2. β2 - nanea, i loaa ma bronchioles a hookui i ko lakou hoonui a me ka hoopau ana i ka bronchospasm; aia nō hoʻi kēia mau pūkewele i nā pūpū hepic, aʻo ka hoʻonāukiukiʻiaʻana e nā hormones ka mea e hoʻolaha i kaʻoki o glycogen (mālama polysaccharide) a me ka hoʻokuʻuʻiaʻana o ka glucose i loko o ke koko;
  3. β3 - i hoʻopaʻaʻia i loko o ke kino o ke kino, ma lalo o ka mana o nā hormones e hoʻonā i kaʻokiʻana o nā mea momona, e hoʻoulu i ka ike a hoʻonui i ka hana wela.

ʻO ka papa inoa a me ka papa inoa o nā beta-blockers

Ma muli o ka hopena o nā loea i nā beta-blockers, i ka paleʻana, ua māheleʻia kēia mau lāʻau lapaʻau iʻelua mau pūʻulu nui.

Ke koho (cardioselective) beta-blockers

ʻO ka hana a kēia mau lāʻau lapaʻau e koho a kuhikuhiʻia e pale aku i nā haipule β1-adrenergic (ʻaʻole e pili i nā s22-kahepona), me ka hopena o ka hopena o ke kino iʻikeʻia:

Aia kēia pūʻulu i nā lāʻau lapaʻau:

ʻO nā beta-blockersʻole i koho

Hiki i kēia mau lāʻau lapaʻau ke pale i nā β1 a me nā β2-adrenoreceptors, me ka hana kū'ēʻole, ka inaina-huhū, a me ka hana aniarrhythmic a me ka membrane. ʻO kēia mau lāʻau lapaʻau ka mea e hoʻonui ai i ka leo o ke aniani, ka leo o nā arterioles, ka leo o ka pūpū, a me ka uluʻana o ke kūpikipiki paʻakikī.

Aia kēia i nā lāʻau lapaʻau:

Nā Beta-blockers o ka hanauna hou

ʻO ka hoʻomākaukauʻana o ka hou,ʻekolu, ka hanauna, uaʻikeʻia e kekahi mau mea hana'ē aʻe no ka paleʻana i nā mea hōʻailona alpha-adrenergic. ʻO ka papa inoa o nā beta-blockers hou:

No ka ho'ākākaʻana i ka papa inoa o nā beta-blockers me ka tachycardia, pono eʻikeʻo ia i loko o kēia hihia,ʻo nā lāʻau lapaʻau maikaʻi loa e kōkua ana e hōʻemi i ka noʻonoʻo naʻau, Aia nā kālā i ka bisoprolol a me ka propranolol.

Nā kuhiakau i ka hoʻohanaʻana i nā beta-blockers

ʻO nā kumu kū'ē nui no kēia mau lāʻau lapaʻau: