Ukuphindaphinda kwe-ventricular tachycardia (RMVT) luhlobo olungaqhelekanga lwe- tachycardia ye- ventricular edlalwa kubantu abaselula abaneentliziyo eziqhelekileyo. Oku kuhluke ngokuthe ngqo kumhlobo oqhelekileyo we-tachycardia ye-ventricular, edlalwa kakhulu kubantu asebekhulile abanesifo se-artery or heart failure .
Iimpawu ze-RMVT
I-RMVT ngokuqhelekileyo ivelisa i-tachycardia ye-ventricular, engaqhelekanga, engapheliyo, kodwa ingaqhelekanga ukuba abantu abaneli meko babe neziganeko ezininzi /
Iimpawu eziqhelekileyo ezibangelwa yi-RMVT zithinjwa kunye neentlanzi. Okungaqhelekanga, i- syncope (ukulahlekelwa kwengqondo) nayo iya kwenzeka. Ngethamsanqa, umngcipheko wokubanjwa komzimba kunye nokufa ngokukhawuleza kunye ne-RMVT kubonakala kuphantsi.
I-tachycardia ye-ventricular ehambelana ne-RMVT inokubangela iimeko apho amanqanaba e-adrenalin aphakanyisiwe. Ngoko ke, abantu abane-RMVT banako ukufumana iimpawu ngokusebenzisa umzimba (ngakumbi, ngexesha lokufudumala ngokukhawuleza emva kokusebenza), okanye ngexesha lokuxinezeleka kwengqondo. Enyanisweni, ukuhlolwa koxinzelelo - okuza kubakho ukuvelisa i-arrhythmia - yindlela ethembekileyo yokufumanisa i-RMVT.
Ngubani ofumana i-RMVT?
I-RMVT ibonakala ngokubanzi kubantu abangaphantsi kweminyaka engama-40 okanye engama-45 ubudala, kwaye kubonakala kubaluleke kakhulu kubadlali. Ezinye iingcali ziye zacinga ukuba abaninzi abangabanikazi bezabelo abazalelwa nge-propulsion ye-RMVT akalokothi bavelise amanqanaba aphezulu okuxinzezeleka ngokomzimba afunekayo ngezinye amaxesha ukuze aqalise la ma-arrhythmias.
Nangona kubonakala ukuba imbangela yesifo somzimba ibonakala ngathi, oku akuzange kuboniswe.
Ukuphatha i-RMVT
Unyango lwe-RMVT inokufezwa ngonyango lwezokwelapha okanye ngonyango ophuculweyo . I-defibrillators ezifakekayo zingabonakali ngokuqhelekileyo kwi-RMVT, ekubeni ingozi yokufa ngokukhawuleza iphantsi.
Ngethamsanqa, i-RMVT inokulawulwa rhoqo nge- calcium blocker (verapamil) okanye nge- beta blockers (njengepropranolol) -iziyobisi ezivame ukuvelisa iziphumo ezincinci ezimbalwa.
Ukuba ezi ziyobisi aziboneleli ngokukhawuleza kokunciphisa i-tachycardia ye-ventricular, ukusetyenziswa kwezidakamizwa ezinamandla ezinamandla kunokuthi kuqwalaselwe, nangona ezi ziyobisi zivame ukudala ubuninzi besifo.
Kwizona ezininzi izigulane ezine-RMVT, i-tachycardia ye-ventricular ivela kwindawo esendaweni kwindawo ephezulu ye-ventricle efanelekileyo, ngaphantsi kwe-valve ye-pulmonic. Kwizigulana ezimbalwa ezine-RMVT, i-arrhythmia ivela kwindawo efanayo kwi-ventricle yangasese-oko kukuthi, ngaphantsi kwe-valve ye-aortic.
Kukho nawuphi na umzekelo, ukuba imvelaphi ye-arrhythmia ingasetyenziselwa indawo ethile yenza i-RMVT ifumaneke kwi-inflation. Ukuphumelela okuphumelelayo kwe-RMVT kunokufezekiswa kwi-90% yezigulane ezile meko.
Ukunikezelwa kwezi ndlela zonyango, ezininzi iingcali ziza kuzama ukunyanga isigulane nge-RMVT isebenzisa i-verapamil kunye / okanye i-beta blocker. Ukuba loo nto ayiphumelelanga, ityrapy ye-ablation ibhekwa ukuba iyisinyathelo esilandelayo. Enye indlela okanye enye, ngononophelo olululo lwezonyango i-arrhythmias ehambelana ne-RMVT inokulawulwa okanye ipheliswe.
ILizwi
I-RMVT uhlobo oluthile lwe-tachycardia ye-ventricular ebonwa ngabanye abatsha abasempilweni - ikakhulukazi kwiimbaleki.
Nangona iingozi zokufa kwe-RMVT zibonakala ziphantsi, le-arrhythmia inokuphazamisa ubomi bomntu. Ngethamsanqa, kunye neyeza elinofanelekileyo lingalawulwa okanye lipheliswe.
> Imithombo:.
> Fogoros RN, Mandrola JM. Ukukhutshwa kwe-PVC kunye ne-Ventricular Tachycardia. Ku: I-Fogoros 'Electrophysiologic Testing, 6, uJohn Wiley & Son, Oxford, 2017.
> Klein LS, Shih HT, Hackett FK, et al. I-Radiofrequency Catheter Ablation Of Ventricular Tachycardia Kwizigulane ezingenazo izifo zentliziyo. Ukuhamba ngo-1992; 85: 1666.
> Prystowsky EN, Padanilam BJ, Joshi S, et al. Ama-arrhythmias e-ventricular Kwi-Absence of Heart Structure Disease. Umbhalo we-American College of Cardiology 2012; 59: 1733-1744.