Ukuphelelwa Kokuphela kwexesha lokuphela kunye nePhepha lokuPhepha kweNgcinci yegazi

Iminyaka edlulileyo kwintetho, isithethi sabuza abagadi "Yintoni echanekileyo yoxinzelelo lwegazi?" Ugqirha ngamnye kwabaphulaphuli wanikela impendulo ngokuchaza ubunani bexabiso le 140/90 mmHg.

Akukho namnye kubo ayenokuziphendulela umbonisi wayekhangela.

Wathi, "Uxinzelelo lwengqondo," luyinto engasebenzi ngayo i- endothelium . " Isisitshixo sokunyanga uxinzelelo lwegazi, wathi, wayiphatha isifo sokuphela komsebenzi.

Endothelium

Imithambo yegazi emzimbeni wakho ayikho imitya nje elula apho igazi lihamba khona. Baye baninzi. Ziqulethe iindidi eziliqela kunye nomgangatho ongaphakathi ngaphakathi kwinqwelo yegazi kuthiwa yi-endothelium. Cinga ngolu hlobo loluhlu njengesixeko. Kukho into eninzi eqhubekayo. I-endothelium inembopheleleko yokungagcini nje kuphela kwegazi kodwa inokunceda ukulawula uxinzelelo lwegazi. Ivelisa izinto ezininzi ezilawula indlela umlotha wegazi ohlambulula ngayo okanye obuncitshisiweyo. I-Endothelin ngumzekelo womlamli wendawo oveliswe ngolu hlobo olukhuthaza ukunciphisa, okanye ukunciphisa isitya segazi. I-oxide ye-nitric ngumlamli wendawo okhuthaza ukuhlaziywa kweempahla. Kwinqanaba lokugqibela, kukho imfazwe eqhubekayo phakathi kwezinto ezikhuthaza i-vasoconstriction kunye nezo zikhuthaza ukuhlaziywa kwe-vasodilation.

Kucingelwa ukuba ukungalingani kweli lifa likhuthaza ukuba i-vasoconstriction igalelo elikhulu ekuphuculweni kwegazi eliphezulu.

Kwinqanaba leeseli, ukungalingani kunokubangela uxinzelelo olongezelelweyo lwe-oxidative kwiseli, ukwakheka kwe-oksijeni enobuthi (okanye i-radicals yamahhala) ekuhambeni kwexesha ingonakalisa udonga lwamanzi lwesitya elinciphisa ukuguquguquka kwawo. Ukuphela kokusebenza kakubi kuncedisa ekuphuhliseni i-plaque buildup ngaphakathi kwodonga lweelitya legazi.

Izinto ezithandekayo ukuphela kwee-Endothelial Dysfunction

Kukho iinkalo ezininzi ezinokubangela ukuphuhliswa kokungasebenzi kwemiphumo ye-endothelium:

Unyango

Nanku uluvo lwam malunga nalokhu: imishanguzo yonyango, ngelixa banokunciphisa uxinzelelo lwegazi, lunokusebenza kuphela xa unokuphela kwe-endothelium engaphilile. Cinga ngolu hlobo ngale ndlela: i- calcium channel blockers kunye ne-alpha blockers ziinkampu zemishanguzo ezifezekisa ingcinezelo yabo yegazi echaphazelekayo ngokusebenza kwii-receptors ezithile kwisitya segazi ukuze kubangele ukukhutshwa kwesitya segazi. Ukuba i-endothelium yakho ayiluxhili, ucinga ukuba ngaba la mayeza aya kuba njani?

Kukhona izinto ezithile onokuzenza ukuphucula impilo yemida yakho yegazi kunye nokunyanga kwengcinezelo yegazi: