Vasodilator - ihe ọ bụ? Description nke pharmacological otu

Vasodilation bụ usoro nke ntụrụndụ nke muscular oyi akwa nke vaskụla mgbidi. The ọgwụ na-enwe a yiri usoro nke edinam na ojiji na ọgwụgwọ nke obi odida na ọbara mgbali elu, na-akpọ kwekọrọ ekwekọ okwu - vasodilator. Gịnị ka ọ bụ na ihe ngwá ọrụ vasodilators, tụlee n'ihu.

Isi

Belata gbasara obi mmepụta, na-emepe emepe obi ọdịda, activates adrenergic ụjọ na renin-angiotensin usoro, dapụtara na a tọhapụ nke angiotensin II na nọrepinefrini. Active bekee eke agbụ na-anabata ya, nke na-eduga ná vasoconstriction.

Akpa ogbo nke obi odida na-achọ ndị dị otú ahụ a usoro, n'ihi na ọ na-enye ohere iji nọgide na-chọrọ ọbara mgbali. Otú ọ dị, ogologo oge ibelata nke veins-eduga mmepe nke congestive Filiks ke akpa ume na ibelata gbasara obi mmepụta.

Vasodilators - ọgwụ ọjọọ (ndepụta utu aha nwere ike dị na pụrụ iche ọgwụ na pharmacological akwụkwọ, Ọzọkwa, n'okpuru anyị na-depụta ihe ndị kasị ewu ewu na-eji otu a), ji mee ihe maka mgbasa nke ọbara arịa. N'ihi bụ mmepe nke hypotensive mmetụta. Ihe ọzọ dị mkpa na-egosi maka nke a ụdị ọgwụ bụ a hearty ụkwara. Gịnị ma ọ bụrụ na ndị dị otú ahụ a ọnọdụ ga-enyere vasodilators? Preparations obi ụkwara eji mụbaa akwara arịa.

nhazi ọkwa ọgwụ

Dabere na nke ebe nke vaskụla bed emetụta surfactants, e nwere atọ dị iche iche nke vasodilators:

1. ọbara:
   • "Hydralazine";
   • calcium-akụ ọkpọ.
2. venous:

• nitrati;
• sydnonimine.

venous vasodilators

Venous vasodilator - ihe ọ bụ? Nke a ọgwụ na-akpata na-ebelata ụda olu nke venous vaskụla mgbidi. Venules zaghachi ala kasịnụ nke-arụ ọrụ bekee karịa akwara. N'ọnọdụ dị otú ahụ, na nitrati na-eji iji zuru ike na nnukwu veins, dịkwuo ke n'ọbara, na-ebelata ibu arọ na obi, na-ebelata mkpa myocardial oxygen ina.

Venous vasodilators - preparations (aha, doses na-kọwara na table), nke na-atụle ndị kasị dịrị nchebe nke niile antianginal ọgwụ ọjọọ. Mmetụta dị ụkọ na adịteghị.

ọbara vasodilators

Ọbara vasodilator - ihe ọ bụ? Nke a pharmacological gị n'ụlọnga ifịk umi nke-eme ka ndị muscle anụ ahụ nke ọbara mgbidi.

Ka ihe atụ, "Hydralazine" - a ọgwụ nke na-eme obi ọnụego, mụbara ọbara na akụrụ na ụbụrụ na e nwere a mpiaji ndọrọ ego omume nke vaskụla spasm. Ji dị iche iche nke ọbara mgbali elu, hypertensive nsogbu na Nchikota na ndị ọrụ ọzọ.

Mmetụta "Hydralazine":

• cephalalgia;
• nācha ọbara-ọbara nke ihu;
• ọdịdị nke edema;
• umuihe ngosipụta nke rịaworo;
• a ọnọdụ yiri systemic lupus erythematosus.

"Diazoxide" - a vasodilator, nke a na-eji nanị maka enyemaka nke hypertensive nsogbu. Intravenously, lowers ọbara mgbali mgbe 2-3 nkeji. Ọzọkwa, gị n'ụlọnga na-akpata a ike ntụrụndụ nke akpanwa na mmiri njigide.

Calcium akụ ọkpọ - ìgwè nke ọbara vasodilators, nke na-agụnye ndị na-esonụ n'aka:

1. "Nifedipine" - ewepu a spasm nke akwara arịa, lowers ọbara mgbali, na-ebelata ọrụ nke obi muscle.
2. "Verapamil" - ebelata myocardial contractility, eweghachi obi n'afọ iri na ụma na ọbara mgbali.

Preparations Mixed Type

Mixed vasodilator - ihe ọ bụ? Nke a pụtara na-arụsi ọrụ ike mgwa nke aka spasm nke akwara ndị gara na veins. Otu n'ime ihe ndị kasị dị irè bụ sodium nitroprusside. Usoro nke ihe o yiri na nitrati. Igba ogwu n'akwara ochichi nke ọgwụ na-akpata a ngwa ngwa na ike mmetụta, ma ọ bụ dị mkpụmkpụ-bi.

Ọ na-eji dị ka a vasodilator bụrụ na nke nnukwu na-adịghị ala ala obi ọdịda, hypertensive ala na ndabere nke myocardial infarction, hypertensive encephalopathy na mgbaàmà. The mmeghe nke sodium nitroprusside nwere ike ime ka dizziness, isi ọwụwa, ọnwụ nke nsụhọ, ọgbụgbọ, tachycardia.

Ace inhibitors - otu pụtara igbochi guzobe angiotensin n'ịtụgharị enzyme, si otú bụghị emepụta angiotensin II. Ke ukem, e nwere a ike mmetụta nke diuretics. Nhazi ọkwa nke Ace inhibitors dabeere ha chemical Ọdịdị:

1. Nwere a sulfhydryl otu:
   • "Captopril".
   • "Zefenopril".
   • "Benazepril."
2. A carboxyl otu:
   • "Lisinopril".
   • "Enalapril".
   • "Spirapril".
3. Phosphinyl otu nwere:
   • "Fosinopril".

The formulations nwere uru maka asymptomatic ekpe ventricular dysfunction, atherosclerosis nke carotid akwara, metabolic syndrome, microalbuminuria, atrial fibrillation, myocardial infarction, nephropathy, na-abụghị ọrịa.

Children vasodilators

Vasodilators, ọgwụ ọjọọ maka ụmụaka na-eji naanị na oké pathologies. Dị ka eji myotropic n'aka ( "Dibazol" "Papaverine") na ganglionic ( "benzogeksony").

Ụmụaka na-enweta vasodilators akwara ozi ọgwụgwọ. The ego na-na-iji na rụọ ụbụrụ ọbara, na-eji a "na-acha ọcha" hyperthermia na hydrocephalus.

Ọ bụla nke ọgwụ a họọrọ n'otu n'otu, dabere na ọnọdụ nke onye ọrịa, ogo nke imebi, na udi ma na N'ezie nke ọrịa. Self-ọgwụ adịghị atụ aro.