Wake wanikezwa imithi yokwelapha umfutho wegazi ophakeme noma izimo ezithile zenhliziyo ngudokotela? Kungenzeka ukuthi uke wezwa "ngama-blood vessel dilators." Le mithi ivame ukubizwa ngokuthi ama-vasodilators. Ngakho-ke namuhla, ake sixoxe ngayo kalula, njengokungathi ukhuluma nomngane.
Ziyini lezi zinto ezinciphisa ukuvuvukala kwemithambo yegazi?
Kalula nje, ama-vasodilator yimithi ekhulisa futhi ivule imithambo yegazi yakho . Cabanga ngepayipi lamanzi. Uma ipayipi livaliwe noma lincishisiwe, amanzi ageleza ngokushesha kakhulu nangomfutho omkhulu. Kodwa uma ipayipi libanzi ngokwanele, amanzi ageleza kalula kakhulu nangomfutho omncane. Yileyo ndlela le mithi esebenza ngayo emizimbeni yethu.
Kunezinhlobo ezimbili eziyinhloko zemithambo yegazi emzimbeni wethu.
- Imithambo: Buyisela igazi elivela emzimbeni enhliziyweni.
- Imithambo yegazi: Ithwala igazi lisuka enhliziyweni liye kuzo zonke izingxenye zomzimba.
Ama-Vasodilator yimithi ephumuza imisipha ezindongeni zale mithambo nemithambo yegazi, ivimbele ukuthi inciphe noma inciphe. Le nqubo ibizwa ngokuthi i-vasodilation .
Isebenza kanjani le mithi?
Kunezinhlobo eziningana zemithi yokwehlisa imithambo yegazi, ngayinye esebenza ngendlela ehlukile kancane.
Eminye imithi, ebizwa ngokuthi ama-Direct Vasodilators , isebenza ngqo kumaseli emisipha ezindongeni zemithambo yegazi, iwaphumuze. Ngenxa yokuthi asebenza ngokushesha okukhulu, ngezinye izikhathi angaba nengozi eyengeziwe kancane yemiphumela emibi. Odokotela bayayisebenzisa lapho ezinye izindlela zokwelapha zehlulekile ukulawula izimpawu.
Ezinye izinhlobo zemithi zisebenza ngendlela ehlukile kancane. Zilawula amakhemikhali akhulisa noma ancipha imithambo yegazi yethu.
Izinhlobo eziyinhloko zama-vasodilator
Ukuze sikuqonde kangcono lokhu, ake sibheke lezi zinhlobo zemithi etafuleni.
| Uhlobo lomuthi | Indlela esebenza ngayo (ngamagama alula) |
|---|---|
| Ama-ACE inhibitors (ama-Angiotensin-Converting Enzyme inhibitors) | Kunciphisa inani le-angiotensin, ikhemikhali emzimbeni elivimba imithambo yegazi. |
| Ama-ARB (Ama-Angiotensin Receptor Blockers) | I-Angiotensin ivimbela ikhemikhali ukuthi inamathele ezindongeni zemithambo yegazi, okwenza imithambo yegazi ivuleke. |
| Ama-Calcium Channel Blockers (ama-CCB) | Ivimba i-calcium, edingekayo ukuvimba imithambo yegazi, ukuthi ingangeni ezindongeni zemithambo yegazi. |
| Ama-nitrate | Lokhu kuguqulwa kube yigesi ebizwa ngokuthi i-nitrous oxide emzimbeni bese kwandisa imithambo yegazi. |
Yiziphi izimo ezisetshenziswa ama-vasodilator?
Odokotela banikeza le mithi ukwelapha izimo ezahlukahlukene ezihlobene nokujikeleza kwegazi. Ezinye zazo zifaka:
- Umfutho wegazi ophakeme: "Ingcindezi" sonke esiyaziyo.
- I-Angina: Ubuhlungu besifuba obubangelwa ukwehla kokugeleza kwegazi enhliziyweni.
- Ukwehluleka Kwenhliziyo Okuhlanganisiwe (CHF): Inhliziyo ayikwazi ukupompa igazi elanele emzimbeni.
- Umfutho wegazi ophezulu wamaphaphu: Ukwanda kwengcindezi emithanjeni yamaphaphu.
- I-Preeclampsia: Umfutho wegazi ophezulu ngesikhathi sokukhulelwa.
Iyini imiphumela emibi yalo muthi?
Njenganoma yimuphi umuthi, lawa ma-vasodilator angabangela eminye imiphumela emibi. Kodwa-ke, akuwona wonke umuntu oyitholayo. Futhi, imiphumela emibi ingahluka kuye ngomuntu nomuntu.
Okubaluleke kakhulu: Uma uhlangabezana nanoma yimiphi imiphumela emibi, kubaluleke kakhulu ukukhuluma nodokotela wakho ngaphandle kokuyeka imithi ngokuzumayo .
Eminye yemiphumela emibi evame kakhulu yile:
- Isiyezi
- Ubuhlungu bekhanda
- Ukushaya kwenhliziyo noma i-tachycardia
- Ukukhathala
- Ukuvuvukala kwemilenze ngenxa yokugcinwa kwamanzi emzimbeni (i-edema)
- Isicanucanu nokuhlanza
- Ubuhlungu bamalunga
- Abanye abantu abasebenzisa ama-ACE inhibitors bangase babe nokukhwehlela okomile .
Ngezinye izikhathi, omunye umuthi unganikezwa ukulawula imiphumela emibi. Isibonelo, uma i-vasodilator ibangela ukugcinwa koketshezi (i-edema), umuthi obizwa ngokuthi i-diuretic unganikezwa ukusiza ukususa uketshezi oluthe xaxa emzimbeni.
Kungenzeka yini ukwandisa imithambo yegazi ngokwemvelo ngaphandle kwemithi?
Kunjalo nje kungenzeka. Kunezikhathi lapho imizimba yethu ivula khona imithambo yegazi ngokwemvelo.
- Ukuzivocavoca: Uma sizivocavoca, imisipha yethu idinga umoya-mpilo kanye nezakhamzimba ezengeziwe, ngakho imithambo yegazi iyavuleka.
- Amakhemikhali emvelo emzimbeni: Imizimba yethu ikhiqiza amakhemikhali afana ne-nitric oxide akhulisa imithambo yegazi.
- Utshwala: Uma abanye abantu bephuza utshwala, isikhumba sabo siba bomvu futhi bazizwe beshisa ngoba imithambo yegazi iyavuleka.
Ngaphezu kwalokho, kuthiwa ukudla okuthile kanye nezithasiselo kuyasiza kulokhu, njengegalikhi, i-cocoa, kanye ne-Coenzyme Q10.
Kodwa khumbula! Ngaphambi kokusebenzisa noma yisiphi isithasiselo, kufanele nakanjani ubuze udokotela wakho . Ezinye izithasiselo zingase zihlangane nemithi oyiphuzayo.
Izinto okufanele uziqaphele lapho uthatha imithi
Uma uthatha ama-vasodilator, kungase kube nezinkinga ngokudla okuthile kanye neminye imithi. Kubaluleke kakhulu ukutshela udokotela wakho ngayo yonke imithi oyithathayo, ngisho namavithamini.
Ngokwesibonelo:
- Abantu abathatha ama-CCB (Calcium Channel Blockers) kufanele bagweme ukuphuza ijusi le-grapefruit.
- Abantu abasebenzisa ama-nitrate kufanele bagweme ukuthatha imithi efana ne-sildenafil (Viagra®), njengoba ukuthatha kokubili ndawonye kungabangela umfutho wegazi ophansi ngendlela eyingozi.
Udokotela wakho uzokuchazela lokhu ngokuningiliziwe.
Umlayezo Wokuya Nawe Ekhaya
- Ama-Vasodilator uhlobo lomuthi okhulisa imithambo yegazi ukuze welaphe umfutho wegazi ophakeme kanye nezinkinga zenhliziyo.
- Phuza imithi yakho njengoba nje udokotela wakho ekuyalele, ngesikhathi esifanele, nangesilinganiso esifanele. Ungalokothi uyeke ukuthatha imithi yakho wedwa.
- Qiniseka ukuthi utshela udokotela wakho nganoma yimiphi eminye imithi, amavithamini, noma izithasiselo ozithathayo.
- Uma uhlangabezana nanoma yimiphi imiphumela emibi ngemva kokuthatha umuthi, khuluma nodokotela wakho ngakho.
- Ngaphezu kwemithi, ukugcina indlela yokuphila enempilo (ukudla okuhle, ukuvivinya umzimba, nokugwema ukubhema) kubaluleke kakhulu empilweni yenhliziyo yakho.
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