I-Beta-blockers - uludwe lwezilwanyana

Kwiintlobo ezininzi, kuquka intliziyo, kunye nemithambo, izintso, i-airways nezinye izicubu, kukho i-beta-adrenergic receptors. Banoxanduva lobunzima, kwaye ngezinye iingozi, ukuphendulwa komzimba ukugqithisa nokuxinzelela ("hit okanye ugijime"). Ukunciphisa umsebenzi wabo kwiyeza, i-beta-blockers isetyenzisiweyo - uludwe lwezilwanyana ezivela kweli qela le-pharmacological likhulu kakhulu, elivumela ukukhetha iyeza elifanelekileyo kakhulu kwisigulane ngasinye.

I-beta-blockers abangakhethiyo

Kukho iintlobo ezimbini ze-adrenoreceptors-beta-1 kunye ne-beta-2. Xa ukuhlula kokuqala kuvaliwe, iziphumo ezilandelayo zentliziyo ziyafezwa:

Ukuba uvimba i-beta-2-adrenoreceptors, kukho ukwanda kwindlela yokumelana nomzila wegazi kunye neetoni:

Ukulungiswa kwinqutyana ye-beta-blockers ye-nonselective ayisenzi ngokukhethayo, ukunciphisa umsebenzi wezo zombini iintlobo zamkeli.

Amachiza alandelayo abhekisela kumayeza achaziweyo:

I-beta-blockers ekhethiweyo

Ukuba isilwanyana sisebenza ngokukhetha kwaye sinciphisa ukusebenza kwe-beta-1-adrenergic receptors kuphela, yinto ekhethiweyo. Kubalulekile ukuba uqaphele ukuba ezo ziyobisi zikhethwayo kakhulu kwi -rapy ye-cardiovascular pathologies, ngaphandle koko, zivelisa iziphumo ezincinci.

Uluhlu lwezilwanyana ezivela kwiqela le-cardioselective beta-blockers yesizukulwana esitsha:

Imiphumo emibi ye-beta-blockers

Iziganeko ezibi zidla ngokubangela iziyobisi ezingakhethi. Ezi ziquka ezi zilandelayo:

Ngokuqhelekileyo, emva kokumisa i-adrenoblocker, kukho "i-withdrawal syndrome" ngendlela yokunyuka okuthe ngqo kunye nokunyanisekileyo kwimixinzelelo yegazi, iziqhelo eziqhelekileyo ze-angina pectoris.