I-Alpha blockers yimihlobo yezokwelapha ngezinye izikhathi esetshenziselwa ukuphatha umfutho wegazi ophezulu. Azivame ukusetshenziselwa yedwa, futhi iziguli eziningi zijwayele ukuvimbela i-alpha blockers ngoba zisetshenziselwa ukuphatha ezinye izifo, kubandakanya:
- I-prostate eyandisiwe (hypertrophy benign prostatic hypertrophy)
- I-Pheochromocytoma (uhlobo lwe-tumor yokuvimbela i-hormone)
- Isifo se-arteri peripheral (ukusakaza okubi, ngokuvamile emilenzeni)
Nakuba iminye imithi ivame ukuhlolwa ngaphambi kokucabangela i-alpha-blockers, kwezinye iziguli zimele ukhetho olubalulekile lwezokwelapha.
Yeka ukuthi i-Alpha Blockers Work
I-Alpha blockers, ebizwa nangokuthi i-alpha-adrenergic block block agents, isebenza ngokuphazamisa ukudluliselwa kwemilayezo ezingxenyeni ezithile zomzimba. Njengezinye izidakamizwa "zokuvimba", ama-alpha blockers azihlanganisa namamoleli emzimbeni osebenza njenge-receptors yemilayezo ethile yamakhemikhali. Ngenxa yokuthi umlayezo wamakhemikhali uvinjelwe ukufinyeleleka ekuhlosweni kwawo, kuthiwa uvinjelwe.
I-Alpha blockers block target ebizwa ngokuthi i-alpha receptors, etholakala emithini ye-arteries kanye ne-muscle ebushelelezi. Ngezenzo zabo, zigcina i-hormone adrenaline ekusebenziseni umfutho wokuqinisa emisipha kanye namadonga amancane angama-arterial and venous. Ukuvimbela lokho kubangela ukuthi imithi yegazi iphumule, ngaleyo ndlela ikhulise ukugeleza kwegazi nokuncipha kwengcindezi yegazi.
Amagama we-Common Alpha Blockers
Ama-blockers amaningi e-alpha ayatholakala. Amanye ama-alpha-blockers ajwayele ukufakwa ahlanganisa:
- I-Doxazosin (Cardura)
- I-Phentolamine
- I-Tamsulosin (i-Flomax)
- I-Terazosin
Amanye ama-blockers e-alpha ayatholakala, kokubili ngaphakathi kwe-US nasemhlabeni jikelele. Kodwa-ke, iningi lemigomo e-US yilezi zidakamizwa ezibalwe ngenhla.
Ezinye izinhlobo ze-alpha blockers zisetshenziswa ikakhulukazi ezimweni ezikhethekile noma ezilawulwa izibhedlela zesibhedlela.
Imiphumela emibi ye-Alpha Blockers
I-Alpha blockers ivame ukubekezelela kahle, kodwa abe nemiphumela emibi ebalulekile. Lokhu kufaka:
- Isizungu
- Ukuphelelwa amandla
- Umfutho wegazi ophansi
- Ukucindezeleka kwegazi kungazelelwe kuyashintsha uma umile emva kokuhlala
Ngaphandle kwale miphumela emibi, isifundo esibalulekile socwaningo esibizwa ngokuthi i-ALLHAT Study sithole ukuthi ukusetshenziswa kwesikhathi eside kwe-alpha-blockers kubonakala kwandisa ingozi yokuhluleka kwenhliziyo. Ngenkathi le nengozi ingokoqobo, incane, futhi isizathu esiyinhloko sokuthi izilonda ze-alpha zisetshenzisiwe njengezidakamizwa "zokukhetha kuqala" ukuthi, ngokungafani neminye imithi ephakeme yegazi , azibonwanga ukunciphisa ingozi yokushaya isifo nokushaya kwenhliziyo .
Ubani ongafanelanga ukuthatha i-Alpha-Blocker
Abesifazane ngokuvamile abaqashiwe i-alpha-blockers ngoba bangabangela ukucindezeleka kwamanzi okungahambisani nokulahlekelwa kwesilasha. Ngaphezu kwalokho, abesifazane abakhulelwe, abancancisayo noma abangakhulelwa akufanele bathathe ama-alpha-blockers
Iziguli ezinomlando we-hypotension ye-orthostatic akufanele futhi zibekwe i-alpha-blocker, futhi futhi akufanele labo abanomlando wokuhluleka kwenhliziyo, izinkinga zesibindi noma umsebenzi wezinso, noma isifo se-Parkinson.
Nguwe kuphela nodokotela wakho onganquma imithi efanele yokwelashwa kwengcindezi ephakeme yegazi . Qinisekisa ukwazisa udokotela wakho uma uwela kunoma yiziphi izigaba ezingenhla, futhi unikeze amagama kwanoma imiphi imithi kanye / noma izithako ozithathayo. Khumbula ukufaka imithi engaphezu kwemithi efana ne-aspirin noma i-Advil ne-herbal / supplements yemvelo.